commit 649598618854c3e48dc26841e2c4eeef2525e088
Author: 邱博亞 <naruto0426@rulingcom.com>
Date:   Sun May 12 14:22:01 2024 +0800

    First version.

diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..ed0ea56
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,14 @@
+source "https://rubygems.org"
+
+# Declare your gem's dependencies in bulletin.gemspec.
+# Bundler will treat runtime dependencies like base dependencies, and
+# development dependencies will be added by default to the :development group.
+gemspec
+
+# Declare any dependencies that are still in development here instead of in
+# your gemspec. These might include edge Rails or gems from your path or
+# Git. Remember to move these dependencies to your gemspec before releasing
+# your gem to rubygems.org.
+
+# To use debugger
+# gem 'debugger'
\ No newline at end of file
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..e85f913
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,6 @@
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative 'config/application'
+
+Rails.application.load_tasks
diff --git a/app/assets/images/.keep b/app/assets/images/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/app/assets/javascripts/file_manager/application.js b/app/assets/javascripts/file_manager/application.js
new file mode 100644
index 0000000..cf935ff
--- /dev/null
+++ b/app/assets/javascripts/file_manager/application.js
@@ -0,0 +1,13 @@
+// This is a manifest file that'll be compiled into application.js, which will include all the files
+// listed below.
+//
+// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
+// or any plugin's vendor/assets/javascripts directory can be referenced here using a relative path.
+//
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// compiled file. JavaScript code in this file should be added after the last require_* statement.
+//
+// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
+// about supported directives.
+//
+//= require_tree .
\ No newline at end of file
diff --git a/app/assets/javascripts/file_manager/file_manager.js b/app/assets/javascripts/file_manager/file_manager.js
new file mode 100644
index 0000000..d42de8e
--- /dev/null
+++ b/app/assets/javascripts/file_manager/file_manager.js
@@ -0,0 +1,563 @@
+var csrf_token = document
+              .querySelector("meta[name='csrf-token']")
+              .getAttribute("content");
+$.ajaxSetup({
+    headers: {
+        // 'Content-Type': 'multipart/form-data',
+        // 使用 multipart/form-data 在此不需要設定 Content-Type。
+        'X-Requested-With': 'XMLHttpRequest',
+        'X-CSRF-Token': csrf_token,
+    }
+});
+function replace_explorer_section(file_manager_section, exclude_upload_section){
+    var org_file_manager_section = $('#file_manager_section');
+    if(org_file_manager_section.find(' > .file-input').length != 0 && file_manager_section.find('> .file-uploader-script').length != 0){
+        org_file_manager_section.find(' > *').each(function(i,v){
+            if(!($(v).hasClass('file-input') || $(v).hasClass('file-uploader-script'))){
+                $(v).replaceWith(file_manager_section.find('>*').eq(i).clone());
+            }
+        })
+        if(!exclude_upload_section){
+            $("#file-uploader").fileinput('clear');
+            var fileinput_data = $("#file-uploader").data('fileinput');
+            fileinput_data.uploadUrl = "/xhr/file_manager_upload/" + window.current_path + (window.explorer_setting_id ? ('?setting_id='+window.explorer_setting_id) : '');
+        }
+    }else{
+        org_file_manager_section.find('#index_table').html(file_manager_section);
+    }
+}
+function reload_explorer_section(url, exclude_upload_section, callback,...args){
+    if(url == undefined){
+        url = get_path();
+    }
+    $.get(url).done(function(data){
+        var $file_manager_section = $(data);
+        replace_explorer_section($file_manager_section, exclude_upload_section);
+        if(window.scroll_top){
+            $(window).scrollTop(window.scroll_top);
+        }
+        if(typeof(callback) == 'function'){
+            callback.apply( this, args );
+        }
+    }).fail(function() {
+        alert('No such file or directory!');
+    });
+}
+function reload_page(url, is_recycle_bin, extra_params){
+    var tmp_url = url, request_url;
+    if(url == undefined){
+        request_url = get_path(undefined,undefined, extra_params);
+    }else{
+        request_url = get_path(url,is_recycle_bin, extra_params);
+    }
+    $.get(request_url).done(function(data){
+        var $file_manager_section = $(data);
+        replace_explorer_section($file_manager_section);
+        if(!window.only_select_folder){
+            push_history_url(request_url);
+        }
+        if(window.scroll_top){
+            $(window).scrollTop(window.scroll_top);
+        }
+    }).fail(function() {
+        alert('No such file or directory!');
+    });
+}
+function push_history_url(new_url, state){
+    if(state == undefined)
+        state = {body: $('body').prop('outerHTML')};
+    if(history.state == null){
+        history.replaceState({need_reload: true} ,$('title').text(), window.location.href);
+    }
+    window.history.pushState(state ,$('title').text(), new_url);
+}
+function get_current_url(path, override_recycle_bin, extra_params){
+    if(override_recycle_bin == undefined){
+        override_recycle_bin = window.is_recycle_bin;
+    }
+    var params = {};
+    if(override_recycle_bin){
+        path = '';
+        params['recycle_bin'] = true
+    }
+    if(extra_params){
+        Object.keys(extra_params).forEach(function(k){
+            params[k] = extra_params[k];
+        })
+    }
+    var url = '';
+    if(window.path_mode == 'params'){
+        params["path"] = path;
+        url = window.location.pathname
+    }else{
+        url = "/xhr/file_manager/" + path;
+    }
+    if(window.only_select_folder){
+        params['select_mode'] = true;
+    }
+    return url + params_to_query(params);
+}
+function get_path(path, override_recycle_bin, extra_params){
+    var params = get_params();
+    if(path == undefined){
+        path = window.location.pathname;
+    }
+    if(override_recycle_bin == undefined){
+        override_recycle_bin = window.is_recycle_bin;
+    }
+    if(override_recycle_bin){
+        path = ""
+        params["recycle_bin"] = true;
+        window.is_recycle_bin = true;
+    }else{
+        delete params["recycle_bin"];
+        window.is_recycle_bin = false;
+    }
+    if(window.only_select_folder){
+        params['select_mode'] = true;
+    }else{
+        delete params["select_mode"];
+    }
+    delete params["page"];
+    delete params["file_id"];
+    if(window.explorer_setting_id){
+        params['setting_id'] = window.explorer_setting_id;
+    }
+    if(extra_params){
+        Object.keys(extra_params).forEach(function(k){
+            if (extra_params[k] != null)
+                params[k] = extra_params[k];
+        })
+    }
+    if(window.use_params_request){
+        params['path'] = path;
+        path = '';
+    }else{
+        delete params['path'];
+    }
+    return path + params_to_query(params);
+}
+function get_basename(file){
+    var tmp = file.split('/');
+    return tmp[tmp.length - 1] || '';
+}
+function pathJoin(parts, sep){
+    var separator = sep || '/';
+    var replace   = new RegExp(separator+'{1,}', 'g');
+    if(parts.length > 1){
+        parts.forEach(function(p, i){
+            if(p[0] == '/'){
+                for(var k=0; k<i; k++){
+                    parts[k] = "";
+                }
+            }
+        })
+    }
+    parts = parts.filter(function(s){ return s != "" });
+    var new_path = parts.join(separator).replace(replace, separator).replace(new RegExp(`[^${separator}]+${separator}\\.\\.${separator}`, 'g'),'');
+    return new_path.replace(/^(http|ftp):\//,'$1://').replace(/file:\//,'file:///').replace(new RegExp(`^.{1,2}${separator}`),'').replace(/^\/\.\.\//,'/').replace(/\.\//g,'');
+}
+function get_current_path(path, override_recycle_bin){
+    if(path == undefined){
+        path = window.current_path;
+    }
+    if(override_recycle_bin == undefined){
+        override_recycle_bin = window.is_recycle_bin;
+    }
+    if(override_recycle_bin && window.recycle_bin_text){
+        return window.recycle_bin_text;
+    }else{
+        return path;
+    }
+}
+function change_folder(id, folder, is_recycle_bin){
+    window.scroll_top = $('#file_manager_section thead').scrollTop();
+    if (!folder) {
+        folder = window.module_key;
+    }
+    var new_path = window.file_manager_path + '/' + folder + '/module';
+    new_path = get_path(new_path, (is_recycle_bin ? true : false), {"file_id": id});
+    console.log(new_path, id);
+    $.get(new_path).done(function(data){
+        var $file_manager_section = $(data);
+        replace_explorer_section($file_manager_section);
+        window.module_key = folder;
+        if(!window.only_select_folder){
+            push_history_url(new_path);
+        }
+        if(window.scroll_top){
+            $(window).scrollTop(window.scroll_top);
+        }
+    }).fail(function() {
+        alert('No such file or directory!');
+    });
+}
+function get_params(){
+    var search_split = window.location.search.split("?");
+    var params = {}
+    if( search_split.length >= 2 ){
+        $(search_split[1].split("&")).each(function(i, s){
+            var tmp = s.split("=");
+            var k = tmp[0], v = tmp[1];
+            if(k.search('[]') != -1){
+                k = k.split('[]')[0];
+                if(params.hasOwnProperty(k)){
+                    params[k].push(v);
+                }else{
+                    params[k] = [v];
+                }
+            }else{
+                params[k] = v;
+            }
+        })
+    }
+    return params;
+}
+function params_to_query(params){
+    var query_text = '';
+    var keys = Object.keys(params);
+    if(keys.length != 0){
+        keys.forEach(function(k, i){
+            if(i == 0){
+                query_text += '?';
+            }else{
+                query_text += '&';
+            }
+            var v = params[k];
+            if(Array.isArray(v)){
+                v.forEach(function(vv, j){
+                    if(j != 0){
+                        query_text += '&';
+                    }
+                    query_text += `${k}[]=${vv}`;
+                })
+            }else{
+                query_text += `${k}=${v}`;
+            }
+        })
+    }
+    return query_text;
+}
+$(document).on("click",".delete",function(){
+    var that = $(this);
+    window.scroll_top = $(window).scrollTop();
+    if( window.confirm(that.data("tmp-confirm")) ){
+        if( window.confirm(that.data("tmp-confirm")) ){
+            $.ajax({
+              url: that.data("link"),
+              method: 'DELETE',
+              contentType: false, //required
+              processData: false, // required
+              statusCode: {
+                204: reload_explorer_section,
+                404: function() {
+                  alert( "Delete failed!\nFile not exist!" );
+                }
+              }
+            })
+        }
+    }
+})
+$(document).on("click",".delete_file",function(){
+    var that = $(this);
+    window.scroll_top = $(window).scrollTop();
+    if( window.confirm(that.data("tmp-confirm")) ){
+        if( window.confirm(that.data("tmp-confirm")) ){
+            $.ajax({
+              url: that.data("link"),
+              method: 'DELETE',
+              contentType: false, //required
+              processData: false, // required
+              dataType: 'json',
+              statusCode: {
+                200: function(data) {
+                  var params = get_params();
+                  var extra_params;
+                  if (data.id) {
+                    extra_params = {"version": data.version, "file_id": data.id};
+                  } else {
+                    extra_params = {};
+                  }
+                  var url = get_path(undefined, undefined, extra_params);
+                  var callback = push_history_url;
+                  reload_explorer_section(url, false, callback, url);
+                },
+                404: function() {
+                    alert( "Delete failed!\nFile not exist!" );
+                }
+              }
+            })
+        }
+    }
+})
+$(document).on("click",".edit",function(){
+    $(this).hide();
+    var pre_height = $('#file_manager_section pre').height();
+    $('#file_manager_section textarea.edit-area').html($('#file_manager_section pre').html());
+    $('#file_manager_section textarea.edit-area').removeClass('hide');
+    $('#file_manager_section pre').addClass('hide');
+    $('#file_manager_section textarea.edit-area').height(pre_height);
+    $(".save").removeClass('hide');
+})
+$(document).on("click",".save",function(){
+    $(this).hide();
+    var data = new FormData();
+    data.append("content", $('#file_manager_section textarea.edit-area').val());
+    $.ajax({
+      url: '/admin/file_managers/' + $(this).data('id') + '/save',
+      method: 'POST',
+      data: data,
+      contentType: false, //required
+      processData: false, // required
+      dataType: 'json',
+      mimeType: 'multipart/form-data',
+      statusCode: {
+        200: function(data) {
+            console.log(data);
+            var params = get_params(), url;
+            var callback = push_history_url;
+            if(params.version){
+                var new_version = Number(params.version) + 1;
+                url = get_path(undefined, undefined, {"version": new_version, "file_id": data.id});
+                params.version = new_version.toString();
+            } else {
+                url = get_path(undefined, undefined, {"file_id": data.id});
+            }
+            reload_explorer_section(url, false, callback, url);
+            $(".save").addClass('hide');
+            $(".edit").removeClass('hide');
+        },
+        400: function() {
+            alert( "Bad Request!\nThere are no content of this file!" );
+        }
+      }
+    })
+})
+$(document).on("click",".module-key",function(){
+    change_folder(null, $(this).data("key"));
+})
+$(document).on("click",".directory, .file",function(){
+    change_folder($(this).data("id"));
+})
+$(document).on("click",".breadcrumb-index",function(){
+    var path = window.current_path[0] == '/' ? window.current_path : ('/' + window.current_path);
+    $("#breadcrumb-relative-url").addClass('hide');
+    $("#breadcrumb-editable").text(path).removeClass("hide").focus();
+    window.tmp_current_path = path;
+})
+$(document).on("click",'#breadcrumb-relative-url .directory, #breadcrumb-editable',function(e){
+    e.stopPropagation();
+})
+$(document).on("blur","#breadcrumb-editable",function(){
+    if(window.tmp_current_path != $(this).text().trim()){
+        change_folder($(this).text().trim());
+    }
+    $("#breadcrumb-relative-url").removeClass('hide');
+    $(this).addClass('hide');
+})
+$(document).on("keydown","#breadcrumb-editable",function(evt){
+    if(evt.keyCode == 13){
+        evt.preventDefault();
+        $(this).trigger("blur");
+    }
+})
+$(document).on("click", ".copyButton", function(){
+    var link = $(this).data('link');
+    // Copy the link
+    navigator.clipboard.writeText(link);
+    if (!($(this).data('org-text')))
+        $(this).data('org-text', $(this).find('.tooltiptext').text());
+    $(this).find('.tooltiptext').text($(this).data('prompt') + ': ' + link);
+})
+$(document).on("mouseout", ".copyButton", function(){
+    var org_text = $(this).data('org-text');
+    if (org_text)
+        $(this).find('.tooltiptext').text(org_text);
+})
+$(document).on("click", ".redirect_recycle_bin", function(){
+    change_folder(null, null, true);
+})
+$(document).on("click", ".recycle_bin", function(){
+    change_folder(null, $(this).data('key'), true);
+})
+$(document).on("click", ".recover_all", function(){
+    var that = $(this);
+    var prompt_message = that.data("prompt");
+    $.ajax({
+      url: '/admin/file_managers/' + window.module_key + '/get_trash_count',
+      method: 'POST',
+      contentType: false, //required
+      processData: false, // required
+      dataType: 'json',
+      mimeType: 'multipart/form-data',
+      statusCode: {
+        200: function(data) {
+            var count = data["count"] + that.data('unit');
+            prompt_message = prompt_message.replace('${num}', count);
+            if(window.confirm(prompt_message)){
+                if(window.confirm(prompt_message)){
+                    $.ajax({
+                      url: '/admin/file_managers/' + window.module_key + '/recover_all',
+                      method: 'POST',
+                      contentType: false, //required
+                      processData: false, // required
+                      dataType: 'json',
+                      mimeType: 'multipart/form-data',
+                      statusCode: {
+                        200: function(data) {
+                            var thread_id = data["id"];
+                            var thread_title = data["title"];
+                            reload_explorer_section(get_path(), false, function show_modal(thread_id, thread_title){
+                                $("#threadModal").data('id', thread_id);
+                                $("#threadModal .modal-header h3").text(thread_title);
+                                $("#threadModal").removeClass('hide').modal('show');
+                            }, thread_id, thread_title); 
+                        }
+                      }
+                    })
+                }
+            }      
+        }
+      }
+    })
+})
+$(document).on("click",".clean_up_recycle_bin", function(){
+    var that = $(this);
+    var prompt_message = that.data("prompt");
+    $.ajax({
+      url: '/admin/file_managers/' + window.module_key + '/get_trash_count',
+      method: 'POST',
+      contentType: false, //required
+      processData: false, // required
+      dataType: 'json',
+      mimeType: 'multipart/form-data',
+      statusCode: {
+        200: function(data) {
+            var count = data["count"] + that.data('unit');
+            prompt_message = prompt_message.replace('${num}', count);
+            if(window.confirm(prompt_message)){
+                if(window.confirm(prompt_message)){
+                    $.ajax({
+                      url: '/admin/file_managers/' + window.module_key + '/clean_trashes',
+                      method: 'POST',
+                      contentType: false, //required
+                      processData: false, // required
+                      dataType: 'json',
+                      mimeType: 'multipart/form-data',
+                      statusCode: {
+                        200: function(data) {
+                            var thread_id = data["id"];
+                            var thread_title = data["title"];
+                            reload_explorer_section(get_path(), false, function show_modal(thread_id, thread_title){
+                                $("#threadModal").data('id', thread_id);
+                                $("#threadModal .modal-header h3").text(thread_title);
+                                $("#threadModal").removeClass('hide').modal('show');
+                            }, thread_id, thread_title); 
+                        }
+                      }
+                    })
+                }
+            }      
+        }
+      }
+    })
+})
+$(document).on('hidden.bs.modal', "#threadModal", function(){
+    window.clearTimeout(window.time_out_id);
+})
+$(document).on('shown.bs.modal', "#threadModal", function(){
+    var thread_id = $(this).data('id');
+    window.time_out_id = window.setTimeout(function(){
+        update_thread(thread_id, reload_page);
+    }, 1000);
+})
+$(document).on('click', ".change_version", function(){
+    var that = $(this);
+    var version = that.data('version');
+    var file_id = that.data('id');
+    reload_page(undefined,undefined,{"version": version, "file_id": file_id});
+})
+$(document).on('click', ".recover", function(){
+    var that = $(this);
+    window.scroll_top = $(window).scrollTop();
+    if( window.confirm(that.data("tmp-confirm")) ){
+        $.ajax({
+          url: that.data("link"),
+          method: 'POST',
+          contentType: false, //required
+          processData: false, // required
+          statusCode: {
+            204: reload_explorer_section,
+            404: function() {
+              alert( "Recover failed!\nFile not exist!" );
+            }
+          }
+        })
+    }
+})
+
+function update_thread(id, finish_callback, ...args){
+    var data = new FormData();
+    data.append('id',id);
+    $.ajax({
+        url: "/admin/threads/get_status",
+        method: 'POST',
+        data: data,
+        contentType: false, //required
+        processData: false, // required
+        dataType: 'json',
+        mimeType: 'multipart/form-data',
+        statusCode: {
+            200: function(data){
+                var finish_percent = data["finish_percent"];
+                var current_count = data["current_count"];
+                var all_count = data["all_count"];
+                var is_finish = (data["status"] == "finish");
+                if(finish_percent){
+                    $("#threadModal .modal-body .thread-status").text(data["status"]);
+                    if(data["status"] != 'Processing'){
+                        $("#threadModal .modal-body .thread-current-count").text(current_count);
+                        $("#threadModal .modal-body .thread-all-count").text(all_count);
+                    }
+                    $("#threadModal .modal-body .thread-finish_percent").text(finish_percent);
+                }else if(is_finish){
+                    $("#threadModal .modal-body .thread-status").text(data["status"]);
+                    $("#threadModal .modal-body .thread-finish_percent").text(100);
+                }
+                var that = this;
+                if(!is_finish){
+                    var tmp_arguments = arguments;
+                    window.time_out_id = window.setTimeout(function(){
+                        update_thread.apply(that, tmp_arguments);
+                    }, 1000);
+                }else{
+                    if(window.time_out_id)
+                        window.clearTimeout(window.time_out_id);
+                    var wait_time = 3000;
+                    if(finish_callback)
+                        wait_time = 0;
+                    window.setTimeout(function(){
+                        $("#threadModal").modal("hide");
+                        if(finish_callback){
+                            finish_callback.apply(that, args);
+                        }
+                        alert(data["status"]);
+                    }, wait_time);
+                    return;
+                }
+            }
+        }
+    });
+}
+window.onpopstate = function(event) {
+    var state = event.state;
+    if(state != null){
+        if(state.need_reload){
+            window.location.reload();
+        }else if(state.body){
+            var $body = $(state.body);
+            $('.breadcrumb-index').replaceWith($body.find('.breadcrumb-index'));
+            $('#file_manager_section').replaceWith($body.find('#file_manager_section'));
+        }
+    }
+};
\ No newline at end of file
diff --git a/app/assets/javascripts/file_manager/rename.js b/app/assets/javascripts/file_manager/rename.js
new file mode 100644
index 0000000..ced2749
--- /dev/null
+++ b/app/assets/javascripts/file_manager/rename.js
@@ -0,0 +1,41 @@
+function rename(id, name) {
+  window.scroll_top = $(window).scrollTop();
+  var path = pathJoin([name,".."]);
+  var basename = get_basename(name);
+  var new_name = prompt("Enter the new name for this element.", basename);
+  if (new_name != null) {
+    new_name = pathJoin([path, new_name]);
+    var data = new FormData();
+    data.append("new_name", new_name);
+    var csrf_token = document
+      .querySelector("meta[name='csrf-token']")
+      .getAttribute("content");
+    var csrf_param = document
+      .querySelector("meta[name='csrf-param']")
+      .getAttribute("content");
+    if (csrf_token && csrf_param) {
+      data.append(csrf_param, csrf_token);
+    }
+    $.ajax({
+      url: '/admin/file_managers/' + id + '/rename',
+      method: 'PUT',
+      data: data,
+      headers: {
+        // 'Content-Type': 'multipart/form-data',
+        // 使用 multipart/form-data 在此不需要設定 Content-Type。
+        'X-Requested-With': 'XMLHttpRequest',
+        'Authorization': `Bearer ${ csrf_token }`,
+      },
+      contentType: false, //required
+      processData: false, // required
+      mimeType: 'multipart/form-data',
+      statusCode: {
+        204: reload_explorer_section,
+        403: function() {
+          alert( "Rename failed!\nFile exist!" );
+        }
+      }
+    })
+  }
+  return false;
+}
diff --git a/app/assets/javascripts/file_manager/test.js b/app/assets/javascripts/file_manager/test.js
new file mode 100644
index 0000000..63600b9
--- /dev/null
+++ b/app/assets/javascripts/file_manager/test.js
@@ -0,0 +1,3 @@
+function abc(){
+	console.log(12341111222444551111111111111111111111111111111111111111)
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/file_manager/application.scss b/app/assets/stylesheets/file_manager/application.scss
new file mode 100644
index 0000000..e0a19d3
--- /dev/null
+++ b/app/assets/stylesheets/file_manager/application.scss
@@ -0,0 +1,270 @@
+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
+ * or any plugin's vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any other CSS/SCSS
+ * files in this directory. Styles in this file should be added after the last require_* statement.
+ * It is generally better to create a new file per style scope.
+ *
+ *= require_self
+ *= require fontawesome-5.15.4.min
+ */
+/* Common */
+input[disabled], select[disabled], textarea[disabled], input[readonly], select[readonly], textarea[readonly] {
+    cursor: not-allowed;
+    background-color: #eeeeee;
+}
+body#file_manager_body, html{
+  font-size: 1rem !important;
+}
+a {
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+#file_manager_section h3 {
+  float: left;
+}
+#file_manager_section .btn-wrapper {
+  float: right;
+}
+#file_manager_section .btn-wrapper .upload-button {
+  display: inline-block;
+}
+#file_manager_section table {
+  border-collapse: collapse;
+  width: 100%;
+  text-align: left;
+  table-layout: fixed;
+}
+.modal table {
+  white-space: unset;
+}
+.modal.fade:not(.in) {
+  display: none;
+}
+.modal-backdrop.fade:not(.in) {
+  display: none;
+}
+#file_manager_section th {
+  font-size: 1.17em;
+  background-color: rgb(76, 102, 175);
+  color: white;
+}
+#file_manager_section tr:hover {
+  background-color: #ffffff;
+}
+#file_manager_section th, #file_manager_section td {
+  padding: 4px 12px;
+  border: 1px solid;
+  border-color: #ddd;
+}
+#file_manager_section td a {
+  display: block;
+  width: 100%;
+  overflow-wrap: break-word;
+}
+/* Light mode: */
+a.delete,
+a.delete:visited {
+  color: rgb(223, 132, 136);
+}
+a.rename, a.recover {
+  color: deepskyblue;
+}
+.date {
+  font-family: 'Courier New', Courier, monospace;
+}
+.name {
+  width: 100%;
+  white-space: normal;
+}
+.fa {
+  padding: 0 6px 0 0;
+}
+.download, .create_folder, .edit, .save, .recover_all, .clean_up_recycle_bin, .delete_file,
+.download:link, .create_folder:link, .edit:link, .save:link, .recover_all:link, .clean_up_recycle_bin:link, .delete_file:link,
+.download:visited, .create_folder:visited, .edit:visited, .save:visited, .clean_up_recycle_bin:visited, .delete_file:visited {
+  color: white;
+  display: inline-block;
+  font-size: 1.17em;
+  padding: 12px 18px;
+  text-align: center;
+  text-decoration: none;
+  white-space: pre-wrap;
+  border: none;
+  cursor: pointer;
+  box-sizing: border-box;
+  line-height: 1.0;
+}
+input[type=file]#file{
+  display: inline-block;
+}
+form {
+  display: inline-block;
+}
+#file_manager_section pre,#file_manager_section textarea {
+  padding: 10px;
+  white-space: pre-wrap;
+  word-wrap: break-word;
+}
+.save.hide{
+  display: none;
+}
+.breadcrumb-index {
+    display: inline-flex;
+    margin: 0.67em 0;
+    font-size: 2em;
+}
+.breadcrumb-index, #breadcrumb-editable {
+    width: 100%;
+}
+breadcrumb-relative-url{
+  max-width: 100%;
+  overflow-wrap: break-word;
+}
+.breadcrumb-index a {
+  color: #0366d6;
+  font-weight: normal;
+}
+.breadcrumb-index a.base_url {
+  font-weight: bold;
+}
+.separator {
+  padding: 0 10px;
+}
+.create_folder {
+  float: right;
+  background: forestgreen;
+}
+.recover_all {
+  background: deepskyblue;
+}
+.create_folder, .clean_up_recycle_bin {
+  float: right;
+  background: red;
+}
+.fa-folder {
+  color: rgba(3,47,98,.5);
+}
+.fa-file {
+  color: rgb(155, 155, 155);
+}
+.download {
+  background-color: rgb(60, 75, 209);
+}
+.delete_file {
+  background: #be0606;
+  color: white;
+}
+.edit {
+  background: #a67030;
+}
+.save{
+  background: #00e300;
+  color: black;
+}
+#file_manager_section pre,#file_manager_section textarea {
+  background-color: #d3d3d3;
+  color: black;
+}
+#file_manager_section textarea{
+  width: calc(100% - 20px);
+}
+.redirect_recycle_bin{
+  float: right;
+}
+.dropdown-menu.upload-box {
+  right: 0;
+  left: auto;
+}
+.tooltip {
+  position: relative;
+  display: inline-block;
+  opacity: 1;
+}
+
+.tooltip .tooltiptext {
+  visibility: hidden;
+  width: 140px;
+  background-color: #555;
+  color: #fff;
+  text-align: center;
+  border-radius: 6px;
+  padding: 5px;
+  position: absolute;
+  z-index: 1;
+  bottom: 150%;
+  left: 50%;
+  margin-left: -75px;
+  opacity: 0;
+  transition: opacity 0.3s;
+  overflow-wrap: break-word;
+}
+
+.tooltip .tooltiptext::after {
+  content: "";
+  position: absolute;
+  top: 100%;
+  left: 50%;
+  margin-left: -5px;
+  border-width: 5px;
+  border-style: solid;
+  border-color: #555 transparent transparent transparent;
+}
+
+.tooltip:hover .tooltiptext {
+  visibility: visible;
+  opacity: 1;
+}
+@media (prefers-color-scheme: dark) {
+  body#file_manager_body, #file_manager_section tbody {
+    background-color: black;
+    color: rgba(249, 249, 250, 0.8);
+  }
+  .fa-folder {
+    color: rgb(2, 69, 146);
+  }
+  .fa-file {
+    color: rgb(177, 177, 177);
+  }
+  a .filename {
+    color: rgb(47, 121, 165);
+  }
+  a.delete, a.create_folder, a.clean_up_recycle_bin, a.edit, a.delete_file,
+  a.delete:link, a.create_folder:link, a.clean_up_recycle_bin:link, a.edit:link, a.delete_file:link,
+  a.delete:visited, a.create_folder:visited, a.clean_up_recycle_bin:visited, a.edit:visited, a.delete_file:visited {
+    color: rgb(223, 132, 136);
+  }
+  tr:hover {
+    background-color: #3b3b3b;
+  }
+  th, td {
+    border-color: rgb(138, 138, 138);
+  }
+  .download {
+    background-color: rgb(29, 42, 163);
+  }
+  .create_folder {
+    background: darkgreen;
+  }
+  .recover_all {
+    background: darkred;
+  }
+  .edit {
+    background: #653700;
+  }
+  .save {
+    background: green;
+    color: #fff;
+  }
+  #file_manager_section pre,#file_manager_section textarea {
+    background-color: #3b3b3b;
+    color: white;
+  }
+}
diff --git a/app/assets/stylesheets/file_manager/default_theme.scss b/app/assets/stylesheets/file_manager/default_theme.scss
new file mode 100644
index 0000000..a07d526
--- /dev/null
+++ b/app/assets/stylesheets/file_manager/default_theme.scss
@@ -0,0 +1,35 @@
+li {
+    list-style: none;
+}
+ul.tab_nav {
+    list-style-type: none;
+    padding: 0;
+    display: flex;
+    flex-wrap: wrap;
+    font-family: "Roboto", "微軟正黑體", "Helvetica Neue", Helvetica, sans-serif;
+}
+ul.tab_nav li {
+    padding: 0.5em 1em;
+    background: #32D9C3;
+    margin: 0.2em;
+    cursor: pointer;
+    transition: all 0.5s;
+    -moz-transition: all 0.5s;
+    -webkit-transition: all 0.5s;
+    -o-transition: all 0.5s;
+}
+ul.tab_nav li.active {
+    background: #19524b;
+    color: #fff;
+}
+@media (prefers-color-scheme: dark) {
+    ul.tab_nav li {
+        background-color: #f3f3f3;
+        color: #ccc;
+    }
+    ul.tab_nav li.active {
+        background-color: #969696;
+        color: #fff;
+    }
+
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/file_manager/fontawesome-5.15.4.min.css b/app/assets/stylesheets/file_manager/fontawesome-5.15.4.min.css
new file mode 100644
index 0000000..bd067b8
--- /dev/null
+++ b/app/assets/stylesheets/file_manager/fontawesome-5.15.4.min.css
@@ -0,0 +1,5 @@
+/*!
+ * Font Awesome Free 5.15.4 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ */
+.fa,.fab,.fad,.fal,.far,.fas{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}.fa-lg{font-size:1.33333em;line-height:.75em;vertical-align:-.0667em}.fa-xs{font-size:.75em}.fa-sm{font-size:.875em}.fa-1x{font-size:1em}.fa-2x{font-size:2em}.fa-3x{font-size:3em}.fa-4x{font-size:4em}.fa-5x{font-size:5em}.fa-6x{font-size:6em}.fa-7x{font-size:7em}.fa-8x{font-size:8em}.fa-9x{font-size:9em}.fa-10x{font-size:10em}.fa-fw{text-align:center;width:1.25em}.fa-ul{list-style-type:none;margin-left:2.5em;padding-left:0}.fa-ul>li{position:relative}.fa-li{left:-2em;position:absolute;text-align:center;width:2em;line-height:inherit}.fa-border{border:.08em solid #eee;border-radius:.1em;padding:.2em .25em .15em}.fa-pull-left{float:left}.fa-pull-right{float:right}.fa.fa-pull-left,.fab.fa-pull-left,.fal.fa-pull-left,.far.fa-pull-left,.fas.fa-pull-left{margin-right:.3em}.fa.fa-pull-right,.fab.fa-pull-right,.fal.fa-pull-right,.far.fa-pull-right,.fas.fa-pull-right{margin-left:.3em}.fa-spin{-webkit-animation:fa-spin 2s linear infinite;animation:fa-spin 2s linear infinite}.fa-pulse{-webkit-animation:fa-spin 1s steps(8) infinite;animation:fa-spin 1s steps(8) infinite}@-webkit-keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.fa-rotate-90{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)";-webkit-transform:rotate(90deg);transform:rotate(90deg)}.fa-rotate-180{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)";-webkit-transform:rotate(180deg);transform:rotate(180deg)}.fa-rotate-270{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)";-webkit-transform:rotate(270deg);transform:rotate(270deg)}.fa-flip-horizontal{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)";-webkit-transform:scaleX(-1);transform:scaleX(-1)}.fa-flip-vertical{-webkit-transform:scaleY(-1);transform:scaleY(-1)}.fa-flip-both,.fa-flip-horizontal.fa-flip-vertical,.fa-flip-vertical{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)"}.fa-flip-both,.fa-flip-horizontal.fa-flip-vertical{-webkit-transform:scale(-1);transform:scale(-1)}:root .fa-flip-both,:root .fa-flip-horizontal,:root .fa-flip-vertical,:root .fa-rotate-90,:root .fa-rotate-180,:root .fa-rotate-270{-webkit-filter:none;filter:none}.fa-stack{display:inline-block;height:2em;line-height:2em;position:relative;vertical-align:middle;width:2.5em}.fa-stack-1x,.fa-stack-2x{left:0;position:absolute;text-align:center;width:100%}.fa-stack-1x{line-height:inherit}.fa-stack-2x{font-size:2em}.fa-inverse{color:#fff}.fa-500px:before{content:"\f26e"}.fa-accessible-icon:before{content:"\f368"}.fa-accusoft:before{content:"\f369"}.fa-acquisitions-incorporated:before{content:"\f6af"}.fa-ad:before{content:"\f641"}.fa-address-book:before{content:"\f2b9"}.fa-address-card:before{content:"\f2bb"}.fa-adjust:before{content:"\f042"}.fa-adn:before{content:"\f170"}.fa-adversal:before{content:"\f36a"}.fa-affiliatetheme:before{content:"\f36b"}.fa-air-freshener:before{content:"\f5d0"}.fa-airbnb:before{content:"\f834"}.fa-algolia:before{content:"\f36c"}.fa-align-center:before{content:"\f037"}.fa-align-justify:before{content:"\f039"}.fa-align-left:before{content:"\f036"}.fa-align-right:before{content:"\f038"}.fa-alipay:before{content:"\f642"}.fa-allergies:before{content:"\f461"}.fa-amazon:before{content:"\f270"}.fa-amazon-pay:before{content:"\f42c"}.fa-ambulance:before{content:"\f0f9"}.fa-american-sign-language-interpreting:before{content:"\f2a3"}.fa-amilia:before{content:"\f36d"}.fa-anchor:before{content:"\f13d"}.fa-android:before{content:"\f17b"}.fa-angellist:before{content:"\f209"}.fa-angle-double-down:before{content:"\f103"}.fa-angle-double-left:before{content:"\f100"}.fa-angle-double-right:before{content:"\f101"}.fa-angle-double-up:before{content:"\f102"}.fa-angle-down:before{content:"\f107"}.fa-angle-left:before{content:"\f104"}.fa-angle-right:before{content:"\f105"}.fa-angle-up:before{content:"\f106"}.fa-angry:before{content:"\f556"}.fa-angrycreative:before{content:"\f36e"}.fa-angular:before{content:"\f420"}.fa-ankh:before{content:"\f644"}.fa-app-store:before{content:"\f36f"}.fa-app-store-ios:before{content:"\f370"}.fa-apper:before{content:"\f371"}.fa-apple:before{content:"\f179"}.fa-apple-alt:before{content:"\f5d1"}.fa-apple-pay:before{content:"\f415"}.fa-archive:before{content:"\f187"}.fa-archway:before{content:"\f557"}.fa-arrow-alt-circle-down:before{content:"\f358"}.fa-arrow-alt-circle-left:before{content:"\f359"}.fa-arrow-alt-circle-right:before{content:"\f35a"}.fa-arrow-alt-circle-up:before{content:"\f35b"}.fa-arrow-circle-down:before{content:"\f0ab"}.fa-arrow-circle-left:before{content:"\f0a8"}.fa-arrow-circle-right:before{content:"\f0a9"}.fa-arrow-circle-up:before{content:"\f0aa"}.fa-arrow-down:before{content:"\f063"}.fa-arrow-left:before{content:"\f060"}.fa-arrow-right:before{content:"\f061"}.fa-arrow-up:before{content:"\f062"}.fa-arrows-alt:before{content:"\f0b2"}.fa-arrows-alt-h:before{content:"\f337"}.fa-arrows-alt-v:before{content:"\f338"}.fa-artstation:before{content:"\f77a"}.fa-assistive-listening-systems:before{content:"\f2a2"}.fa-asterisk:before{content:"\f069"}.fa-asymmetrik:before{content:"\f372"}.fa-at:before{content:"\f1fa"}.fa-atlas:before{content:"\f558"}.fa-atlassian:before{content:"\f77b"}.fa-atom:before{content:"\f5d2"}.fa-audible:before{content:"\f373"}.fa-audio-description:before{content:"\f29e"}.fa-autoprefixer:before{content:"\f41c"}.fa-avianex:before{content:"\f374"}.fa-aviato:before{content:"\f421"}.fa-award:before{content:"\f559"}.fa-aws:before{content:"\f375"}.fa-baby:before{content:"\f77c"}.fa-baby-carriage:before{content:"\f77d"}.fa-backspace:before{content:"\f55a"}.fa-backward:before{content:"\f04a"}.fa-bacon:before{content:"\f7e5"}.fa-bacteria:before{content:"\e059"}.fa-bacterium:before{content:"\e05a"}.fa-bahai:before{content:"\f666"}.fa-balance-scale:before{content:"\f24e"}.fa-balance-scale-left:before{content:"\f515"}.fa-balance-scale-right:before{content:"\f516"}.fa-ban:before{content:"\f05e"}.fa-band-aid:before{content:"\f462"}.fa-bandcamp:before{content:"\f2d5"}.fa-barcode:before{content:"\f02a"}.fa-bars:before{content:"\f0c9"}.fa-baseball-ball:before{content:"\f433"}.fa-basketball-ball:before{content:"\f434"}.fa-bath:before{content:"\f2cd"}.fa-battery-empty:before{content:"\f244"}.fa-battery-full:before{content:"\f240"}.fa-battery-half:before{content:"\f242"}.fa-battery-quarter:before{content:"\f243"}.fa-battery-three-quarters:before{content:"\f241"}.fa-battle-net:before{content:"\f835"}.fa-bed:before{content:"\f236"}.fa-beer:before{content:"\f0fc"}.fa-behance:before{content:"\f1b4"}.fa-behance-square:before{content:"\f1b5"}.fa-bell:before{content:"\f0f3"}.fa-bell-slash:before{content:"\f1f6"}.fa-bezier-curve:before{content:"\f55b"}.fa-bible:before{content:"\f647"}.fa-bicycle:before{content:"\f206"}.fa-biking:before{content:"\f84a"}.fa-bimobject:before{content:"\f378"}.fa-binoculars:before{content:"\f1e5"}.fa-biohazard:before{content:"\f780"}.fa-birthday-cake:before{content:"\f1fd"}.fa-bitbucket:before{content:"\f171"}.fa-bitcoin:before{content:"\f379"}.fa-bity:before{content:"\f37a"}.fa-black-tie:before{content:"\f27e"}.fa-blackberry:before{content:"\f37b"}.fa-blender:befo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diff --git a/app/controllers/admin/file_managers_controller.rb b/app/controllers/admin/file_managers_controller.rb
new file mode 100644
index 0000000..38e0349
--- /dev/null
+++ b/app/controllers/admin/file_managers_controller.rb
@@ -0,0 +1,499 @@
+class Admin::FileManagersController < OrbitAdminController
+  include ActionView::Helpers::NumberHelper
+  before_action :set_base_url, except: [:settings, :update_settings]
+  def render_403
+    render :file => "#{Rails.root}/app/views/errors/403.html", :layout => false, :status => 403, :formats => [:html]
+  end
+  def render_404
+    render :file => "#{Rails.root}/app/views/errors/404.html", :layout => false, :status => 404, :formats => [:html]
+  end
+  def forbidden_error
+    render :body => nil, :status => 403
+  end
+  def index
+  end
+
+  def module
+    @current_user = current_user
+    @current_user_id = @current_user.id
+    @recycle_bin = params[:recycle_bin] == 'true'
+    @file = nil
+    if params[:file_id]
+      upload_item = FileManagerUpload.where(:id=> params[:file_id]).first
+      @upload_item = upload_item
+      if upload_item
+        @active_version = @upload_item.version
+        @id = @upload_item.id
+        @is_img = !(@upload_item.filename.match(/\.(jpg|gif|png|webp)$/i).nil?)
+        if upload_item.is_trash
+          absolute_path = upload_item.file_manager_trash.trash_path
+        else
+          absolute_path = upload_item.get_real_path
+        end
+        @all_uploads = get_uploads(upload_item.path, true, {:is_trash=>false})
+        if File.file?(absolute_path)
+          if params[:download]
+            send_file(absolute_path)
+          elsif File.size(absolute_path) > 1_000_000
+            @file = "File is too big!"
+            @too_big = true
+          else
+            @file = File.read(absolute_path)
+            @file = fix_encoding(@file)
+          end
+        end
+      end
+    end
+    if @recycle_bin
+      recycle_bin
+    else
+      check_path_exist('')
+      populate_directory(@module_key, '')
+    end
+    if request.xhr?
+      if @file
+        render :partial => "file"
+      elsif @recycle_bin
+        render :partial => "recycle_bin"
+      else
+        render :partial => "module"
+      end
+    end
+  end
+
+  def recycle_bin
+    @thread = Multithread.where(:key=>"clean_trashes_#{@current_user_id}").first
+    @thread_title = nil
+    if @thread && @thread.status[:status] == 'finish'
+      @thread = nil
+    elsif @thread
+      @thread_title = I18n.t("file_manager.clean_up_recycle_bin")
+    end
+    if @thread.nil?
+      @thread = Multithread.where(:key=>"recover_all_#{@current_user_id}").first
+      if @thread && @thread.status[:status] == 'finish'
+        @thread = nil
+      elsif @thread
+        @thread_title = I18n.t("file_manager.recover_all")
+      end
+    end
+    @relative_path = I18n.t("file_manager.recycle_bin")
+    # @relative_to_pwd = @root_path
+    query_hash = {is_slave: false}
+    if @only_editable_for_uploader
+      query_hash[:user_id] = @current_user_id
+    end
+    trashes = get_trashes(query_hash).page(params[:page]).per(10)
+    @trashes = trashes
+    @module_info_dict = trashes.map{|trash| trash.module}.uniq.map{|k| [k, FileManagerSetting.get_module_info(k)]}.to_h
+    @directory = trashes.map do |record|
+      file = record.trash_path
+      stat = File.stat(file) rescue nil
+      next if stat.nil?
+      is_file = record.is_file
+      real_path_absolute = File.expand_path(file)
+      file = file.sub(/^#{Regexp.escape(@root_path)}/,'/')
+      entry = "#{file}#{is_file ? '': '/'}"
+      version = (record.record_only ? record.get_version : nil)
+      org_path = record.path.sub(/^#{Regexp.escape(@root_path)}/,'')
+      file_name = File.basename(file)
+      if version
+        org_path  += " (version #{version})"
+        file_name += " (version #{version})"
+      end
+      # is_editable = @default_editable || check_editable("#{@relative_to_pwd}/#{entry}", @current_user_id)
+      {
+        size: (is_file ? (number_to_human_size stat.size rescue '-'): '-'),
+        type: (is_file ? :file : :directory),
+        date: (stat.mtime.strftime(@format_time) rescue '-'),
+        relative: my_escape(file).gsub('%2F', '/'),
+        entry: entry,
+        absolute: real_path_absolute,
+        org_path: org_path,
+        deleted_at: (record.created_at.strftime(@format_time) rescue '-'),
+        name: file_name,
+        module: record.module,
+        id: record.id.to_s,
+        upload_id: record.file_manager_upload_id.to_s,
+        version: (record.record_only ? record.get_version : nil)
+        # is_editable: is_editable
+      }
+    end.compact
+  end
+
+  def recover_all
+    @current_user_id = current_user.id
+    thread = Multithread.where(:key=>"recover_all_#{@current_user_id}").first
+    if thread.nil?
+      thread = Multithread.create(:key=>"recover_all_#{@current_user_id}",:status=>{:status=>'Processing'})
+    else
+      thread.update(:status=>{:status=>'Processing'})
+    end
+    Thread.new do
+      query_hash = {is_slave: false}
+      if @only_editable_for_uploader
+        query_hash[:user_id] = @current_user_id
+      end
+      trashes = get_trashes(query_hash)
+      all_count = trashes.count
+      puts_every_count = [all_count * 3 / 100, 1].max
+      current_count = 0
+      finish_percent = 0
+      thread.update(:status=>{:status=>'Recovering','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
+      trashes.each do |trash|
+        trash.recover_file
+        current_count += 1
+        if current_count % puts_every_count == 0
+          finish_percent = (current_count * 100.0 / all_count).round(1)
+          thread.update(:status=>{:status=>'Recovering','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
+        end
+      end
+      thread.update(:status=>{:status=>'finish','all_count'=>all_count,'current_count'=>all_count,'finish_percent'=>100})
+    end
+    render :json => {id: thread.id.to_s, title: I18n.t("file_manager.recover_all")}
+  end
+
+  def clean_trashes
+    @current_user_id = current_user.id
+    thread = Multithread.where(:key=>"clean_trashes_#{@current_user_id}").first
+    if thread.nil?
+      thread = Multithread.create(:key=>"clean_trashes_#{@current_user_id}",:status=>{:status=>'Processing'})
+    else
+      thread.update(:status=>{:status=>'Processing'})
+    end
+    Thread.new do
+      query_hash = {is_slave: false}
+      if @only_editable_for_uploader
+        query_hash[:user_id] = @current_user_id
+      end
+      trashes = get_trashes(query_hash)
+      all_count = trashes.count
+      puts_every_count = [all_count * 3 / 100, 1].max
+      current_count = 0
+      finish_percent = 0
+      thread.update(:status=>{:status=>'Deleting','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
+      trashes.each do |trash|
+        trash.delete_file
+        current_count += 1
+        if current_count % puts_every_count == 0
+          finish_percent = (current_count * 100.0 / all_count).round(1)
+          thread.update(:status=>{:status=>'Deleting','all_count'=>all_count,'current_count'=>current_count,'finish_percent'=>finish_percent})
+        end
+      end
+      thread.update(:status=>{:status=>'finish','all_count'=>all_count,'current_count'=>all_count,'finish_percent'=>100})
+    end
+    render :json => {id: thread.id.to_s, title: I18n.t("file_manager.clean_up_recycle_bin")}
+  end
+
+  def get_trash_count 
+    @current_user_id = current_user.id
+    query_hash = {is_slave: false}
+    if @only_editable_for_uploader
+      query_hash[:user_id] = @current_user_id
+    end
+    trashes = get_trashes(query_hash)
+    render :json => {count: trashes.count}
+  end
+
+  def destroy
+    if params[:permanent] == 'true'
+      if params[:type] == 'upload'
+        upload_record = FileManagerUpload.where(:id=>params[:id]).first
+        upload_record.delete_file_permanent(true)
+      else
+        trash = FileManagerTrash.where(:id=>params[:id]).first
+        trash.delete_file
+      end
+      render :body => nil, :status => 204
+    else
+      upload_record = FileManagerUpload.where(:id=>params[:id]).first
+      if params[:type] == 'upload'
+        newest_record = upload_record.delete_file(true)
+        if newest_record
+          data = {'id': newest_record.id.to_s, 'version': newest_record.version}
+        else
+          data = {}
+        end
+        render :json => data and return
+      else
+        absolute_path = upload_record.path
+        if FileManagerUpload.check_restricted(absolute_path)
+          forbidden_error
+        else
+          relative_path = absolute_path
+          is_file = !(File.directory?(absolute_path))
+          unless is_file
+            relative_path += '/'
+          end
+          upload_records = get_uploads(relative_path, is_file, {:is_default=>true})
+          if is_file
+            upload_records.each{|record| record.delete_file(false,current_user.id, params[:force_delete] == 'true') }
+          else
+            has_matched = false
+            master_record_idx = upload_records.index{|record| record.path == relative_path}
+            master_record = upload_records[master_record_idx]
+            force_delete = (params[:force_delete] == 'true')
+            master_record.delete_file(false,current_user.id, force_delete)
+            upload_records.delete_at(master_record_idx)
+            if upload_records.count != 0
+              if master_record.file_manager_trash
+                trash_path = master_record.file_manager_trash.trash_path
+                upload_records.each do |record|
+                  record.delete_file(false,current_user.id, force_delete, true, Pathname.new(trash_path).join(record.path.sub(/^#{Regexp.escape(relative_path)}/,'')).to_s)
+                end
+              end
+            end
+          end
+        end
+      end
+      render :body => nil, :status => 204
+    end
+  end
+
+  def recover
+    trash = FileManagerTrash.where(:id=> params[:id]).first
+    if trash
+      trash.recover_file
+      render :body => nil, :status => 204
+    else
+      render :body => nil, :status => 404
+    end
+  end
+
+  def rename
+    upload = FileManagerUpload.where(:id=>params[:id]).first
+    absolute_path = upload.path
+    @root_path = File.dirname(absolute_path)
+    new_path = safe_expand_path(params[:new_name])
+    if new_path != absolute_path
+      if File.exists?(new_path)
+        render :body => nil, :status => 403
+      else
+        relative_path = absolute_path
+        new_relative_path = Pathname.new(@root_path).join(params[:new_name])
+        parent = new_path.split('/')[0..-2].join('/')
+        FileUtils.mkdir_p(parent)
+        upload_records = get_uploads(relative_path)
+        FileUtils.mv(absolute_path, new_path)
+        upload_records.each{|r| r.update_path(new_relative_path)}
+        render :body => nil, :status => 204
+      end
+    else
+      render :body => nil, :status => 200
+    end
+  end
+
+  def save
+    if params[:content].present?
+      upload_item = FileManagerUpload.where(:id=>params[:id]).first
+      if upload_item.is_trash
+        absolute_path = upload_item.file_manager_trash.trash_path
+      else
+        absolute_path = upload_item.path
+      end
+      forbidden_error and return unless File.exist?(absolute_path)
+      file_relative_path = absolute_path
+      is_file = true
+      new_upload = upload_item.generate_new_upload
+      File.open(absolute_path,"w+"){|f| f.write(params[:content])}
+      render :json => {id: new_upload.id.to_s}
+    else
+      render :body => nil, :status => 400
+    end
+  end
+
+  def upload_file
+    input_file = params[:file]
+    if input_file
+      if params[:type] == 'update'
+        upload_item = FileManagerUpload.where(:id=>params[:id]).first
+        relative_path = upload_item.path
+        if input_file.original_filename != upload_item.filename
+          new_relative_path = Pathname.new(File.dirname(relative_path)).join(input_file.original_filename)
+          upload_records = get_uploads(relative_path)
+          FileUtils.mv(relative_path, new_relative_path)
+          upload_records.each{|r| r.update_path(new_relative_path)}
+          upload_item.reload
+        else
+          new_relative_path = relative_path
+        end
+        upload_item = upload_item.generate_new_upload
+        File.open(new_relative_path, 'wb') do |file|
+          file.write(input_file.read)
+        end
+      else
+        if params[:id] != 'asset'
+          forbidden_error and return
+        end
+        asset = current_user.assets.new
+        asset.data = input_file
+        asset.title_translations = I18n.available_locales.map{|l| [l, input_file.original_filename]}.to_h
+        asset.save!
+        upload_item = FileManagerUpload.where(:model=> "Asset", :related_id=> asset.id).first
+        params[:remote] = true
+      end
+    end
+    if params[:remote].nil?
+      redirect_to params[:url]
+    else
+      render :json => {
+        id: upload_item.id.to_s,
+        filename: input_file.original_filename,
+        size: number_to_human_size(input_file.size),
+        date: upload_item.created_at.strftime(@format_time)
+      }
+    end
+  end
+
+  def settings
+    FileManagerRoot.create if FileManagerRoot.count == 0
+    @root = FileManagerRoot.first
+  end
+
+  def update_settings
+    @root = FileManagerRoot.first
+    @root.update_attributes(file_manager_root_params)
+    redirect_to admin_file_managers_settings_path
+  end
+
+  def file_manager_root_params
+    params.require(:file_manager_root).permit!
+  end
+
+  private
+  def get_trashes(query_hash={})
+    query_hash[:file_manager_setting_id] = @setting_id ? @setting_id : FileManagerRoot.first.id
+    if @module_key && @module_key != 'all'
+      query_hash[:module] = @module_key
+    end
+    @trashes = FileManagerTrash.where(query_hash).order(:created_at=>-1)
+  end
+
+  def get_uploads(tmp_path=nil, is_file=nil, extra_condition={}, order_hash={:version=>-1})
+    query_hash = {}
+    if tmp_path != nil
+      query_hash[:path] = tmp_path
+    end
+    if is_file != nil
+      query_hash[:is_file] = is_file
+      query_hash[:path] = /^#{Regexp.escape(query_hash[:path].to_s)}/ if query_hash[:path]
+    end
+    query_hash[:file_manager_setting_id] = @setting_id if @setting_id
+    FileManagerUpload.where(query_hash.merge(extra_condition)).order(order_hash).to_a
+  end
+
+  def fix_encoding(str)
+    if str.valid_encoding?
+      str
+    else
+      try_list = ["utf-8","utf-16", "big-5"]
+      success_flag = false
+      try_list.each do |enc|
+        begin
+          str.encode!(str.encoding, enc)
+          if str.valid_encoding?
+            success_flag = true
+            break
+          end
+        rescue => e
+          next
+        end
+      end
+      unless success_flag
+        str = "unknown encoding!"
+        @unknown_encoding = true
+      end
+      str
+    end
+  end
+
+  def check_editable(path=nil, current_user_id=nil)
+    query_hash = {:path=>path,:user_id=>current_user_id}
+    query_hash[:file_manager_setting_id] = @setting_id
+    FileManagerUpload.where(query_hash).count != 0
+  end
+
+  def my_escape(string)
+    string.gsub(/([^ a-zA-Z0-9_.-]+)/) do
+      '%' + $1.unpack('H2' * $1.bytesize).join('%').upcase
+    end
+  end
+
+  def populate_directory(module_key, current_url)
+    if module_key == 'all'
+      @uploads = FileManagerUpload.where(:is_default=> true)
+    else
+      @uploads = FileManagerUpload.where(:module=> module_key, :is_default=> true)
+    end
+    @uploads = @uploads.where(:is_trash=> false)
+    if params[:keywords].present?
+      @uploads = @uploads.where(:filename=> /#{::Regexp.escape(params[:keywords])}/)
+    end
+    @uploads = @uploads.order_by(:created_at => :desc)
+    @uploads = @uploads.page(params[:page]).per(10)
+    current_url = '' if current_url == '/'
+    @module_info_dict = @uploads.map{|upload_item| upload_item.module}.uniq.map{|k| [k, FileManagerSetting.get_module_info(k)]}.to_h
+    @directory = @uploads.map do |upload_item|
+      file = upload_item.filename
+      real_path_absolute = upload_item.path
+      stat = (File.exist?(real_path_absolute) ? File.stat(real_path_absolute) : nil)
+      next if stat.nil?
+      is_file = stat.file?
+      entry = "#{file}#{is_file ? '': '/'}"
+      file_relative_path = upload_item.path
+      is_editable = @default_editable || check_editable(file_relative_path, @current_user_id)
+      {
+        module: upload_item.module,
+        is_file: is_file,
+        size: ((is_file && stat) ? number_to_human_size(stat.size) : '-'),
+        type: (is_file ? :file : :directory),
+        date: (stat ? stat.mtime.strftime(@format_time) : '-'),
+        relative: my_escape("#{current_url}#{file}").gsub('%2F', '/'),
+        entry: entry,
+        absolute: real_path_absolute,
+        is_editable: is_editable,
+        id: (upload_item ? upload_item.id.to_s : nil)
+      }
+    end.compact
+  end
+
+  def safe_expand_path(path)
+    current_directory = File.expand_path(@root_path)
+    tested_path = File.expand_path(path, @root_path)
+    if @disable_path_traversal && !(tested_path.starts_with?(current_directory))
+      raise ArgumentError, 'Should not be parent of root'
+    end
+    tested_path
+  end
+
+  def check_path_exist(path)
+    @absolute_path = safe_expand_path(path)
+    @relative_path = path
+    raise ActionController::RoutingError, 'Not Found' unless File.exists?(@absolute_path)
+    @absolute_path
+  end
+
+  def set_base_url
+    @base_url = ENV['BASE_URL'] || 'root'
+    @root_path = ENV['BASE_DIRECTORY'] || FileManagerRoot::RootPath
+    @root = FileManagerRoot.first
+    @disable_path_traversal = @root.disable_path_traversal
+    @format_time = I18n.locale.to_s == 'zh_tw' ? '%Y/%m/%d %H:%M' : '%d %b %Y %H:%M'
+    @setting = FileManagerSetting.first
+    @only_editable_for_uploader = false
+    @setting_id = nil
+    if @setting
+      @setting_id = @setting.id
+      @root_path = Pathname.new(@root_path).join(@setting.root_path).to_s
+      @only_editable_for_uploader = @setting.only_editable_for_uploader
+    end
+    @default_editable = !@only_editable_for_uploader
+    @module_key = params[:id]
+    @display_module_name = (@module_key == 'all')
+    @display_uploader_region = (@module_key == 'asset')
+    @module = ModuleApp.where(:key=> @module_key).first
+    module_info = FileManagerSetting.get_module_info(@module_key)
+    @module_title = (module_info ? module_info[:title] : nil)
+    @only_select_folder = (params[:select_mode] == 'true')
+  end
+end
diff --git a/app/controllers/file_managers_controller.rb b/app/controllers/file_managers_controller.rb
new file mode 100644
index 0000000..c0cd603
--- /dev/null
+++ b/app/controllers/file_managers_controller.rb
@@ -0,0 +1,97 @@
+class FileManagersController < ApplicationController
+  include ActionView::Helpers::NumberHelper
+  before_action :check_login? , :set_base_url, except: [:download]
+  layout "file_manager"
+  def render_403
+    render :file => "#{Rails.root}/app/views/errors/403.html", :layout => false, :status => 403, :formats => [:html]
+  end
+  def render_404
+    render :file => "#{Rails.root}/app/views/errors/404.html", :layout => false, :status => 404, :formats => [:html]
+  end
+  def forbidden_error
+    render :body => nil, :status => 403
+  end
+  def self.custom_widget_data
+    @root = FileManagerRoot.first
+    @settings = @root.file_manager_settings rescue []
+    ac = ActionController::Base.new
+    ac.render_to_string("file_managers/custom_widget_data",:locals=>{:@custom_data_field=>@custom_data_field,:@field_name=>@field_name,:@settings=>@settings})
+  end
+  def check_login?
+    @current_user = current_user
+    @current_user_id = current_user.id
+    if @current_user
+      if ['index_backend','path'].include?( params[:action] ) && params[:setting_id].blank?
+        module_app = ModuleApp.where(:key=>'file_manager').first
+        unless (@current_user.is_admin_for_module?(module_app) rescue true)
+          render_403 and return
+        end
+      end
+    else
+      render_403 and return
+    end
+  end
+  def download
+    upload = FileManagerUpload.where(:id=>params[:id]).first
+    if upload
+      if upload.is_trash
+        if upload.file_manager_trash
+          send_file(upload.file_manager_trash.trash_path)
+        else
+          render_404
+        end
+      else
+        options = {}
+        if params[:preview]
+          options[:disposition] = 'inline'
+        end
+        send_file(upload.get_real_path, options)
+      end
+    else
+      render_404
+    end
+  end
+
+  private
+  def check_editable(path=nil, current_user_id=nil)
+    query_hash = {:path=>path,:user_id=>current_user_id}
+    query_hash[:file_manager_setting_id] = @setting_id
+    FileManagerUpload.where(query_hash).count != 0
+  end
+
+  def safe_expand_path(path)
+    current_directory = File.expand_path(@root_path)
+    tested_path = File.expand_path(path, @root_path)
+    if @disable_path_traversal && !(tested_path.starts_with?(current_directory))
+      raise ArgumentError, 'Should not be parent of root'
+    end
+    tested_path
+  end
+
+  def check_path_exist(path)
+    @absolute_path = safe_expand_path(path)
+    @relative_path = path
+    raise ActionController::RoutingError, 'Not Found' unless File.exists?(@absolute_path)
+    @absolute_path
+  end
+
+  def set_base_url(tmp_params=params)
+    @base_url = ENV['BASE_URL'] || 'root'
+    @root_path = ENV['BASE_DIRECTORY'] || FileManagerRoot::RootPath
+    @root = FileManagerRoot.first
+    @disable_path_traversal = @root.disable_path_traversal
+    @format_time = I18n.locale.to_s == 'zh_tw' ? '%Y/%m/%d %H:%M' : '%d %b %Y %H:%M'
+    if tmp_params[:setting_id].present?
+      @setting = FileManagerSetting.find(tmp_params[:setting_id]) rescue nil
+    end
+    @only_editable_for_uploader = false
+    @setting_id = nil
+    if @setting
+      @setting_id = @setting.id
+      @root_path = Pathname.new(@root_path).join(@setting.root_path).to_s
+      @only_editable_for_uploader = @setting.only_editable_for_uploader
+    end
+    @default_editable = !@only_editable_for_uploader
+    @only_select_folder = (tmp_params[:select_mode] == 'true')
+  end
+end
diff --git a/app/helpers/file_managers_helper.rb b/app/helpers/file_managers_helper.rb
new file mode 100644
index 0000000..891b6d1
--- /dev/null
+++ b/app/helpers/file_managers_helper.rb
@@ -0,0 +1,54 @@
+module FileManagersHelper
+    def fa_icon(icon_name, text="")
+        "<i class=\"fa fa-#{icon_name}\">#{text}</i>".html_safe
+    end
+    def generate_breadcrumb
+        breadcrumb_contents = ""
+        url_infos = [
+            {
+                type: "key",
+                key: "all",
+                trans: I18n.t(:all)
+            }
+        ]
+        if @module_key != 'all'
+            url_infos << {
+                type: "key",
+                key: @module_key,
+                trans: @module_title
+            }
+        end
+        if @recycle_bin || (@upload_item && @upload_item.is_trash)
+            url_infos << {
+                type: "recycle",
+                key: (@upload_item ? @upload_item.module : nil),
+                trans: I18n.t("file_manager.recycle_bin")
+            }
+        end
+        if @file
+            filename = @upload_item.filename
+            version = @upload_item.version
+            if @upload_item.is_trash && @upload_item.file_manager_trash.record_only
+                filename += " (version #{version})"
+            end
+            url_infos << {
+                type: "file",
+                trans: filename
+            }
+        end
+        last_idx = url_infos.count - 1
+        url_infos.each_with_index do |info, i|
+            if i == last_idx
+                breadcrumb_contents += info[:trans]
+            else
+                if info[:type] == 'recycle'
+                    breadcrumb_contents += "<a href=\"javascript:void(0)\" class=\"recycle_bin\" data-key=\"#{info[:key]}\">#{info[:trans]}</a>"
+                else
+                    breadcrumb_contents += "<a href=\"javascript:void(0)\" data-key=\"#{info[:key]}\" class=\"module-key\">#{info[:trans]}</a>"
+                end
+                breadcrumb_contents += "<span class=\"separator\">/</span>"
+            end
+        end
+        breadcrumb_contents.html_safe
+    end
+end
diff --git a/app/models/file_manager_root.rb b/app/models/file_manager_root.rb
new file mode 100644
index 0000000..415f9a5
--- /dev/null
+++ b/app/models/file_manager_root.rb
@@ -0,0 +1,8 @@
+class FileManagerRoot
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  RootPath = "public/"
+  field :disable_path_traversal, :type => Boolean, :default => true
+  has_many :file_manager_settings, :autosave => true, :dependent => :destroy
+  accepts_nested_attributes_for :file_manager_settings, :allow_destroy => true
+end
\ No newline at end of file
diff --git a/app/models/file_manager_setting.rb b/app/models/file_manager_setting.rb
new file mode 100644
index 0000000..2b7a4ad
--- /dev/null
+++ b/app/models/file_manager_setting.rb
@@ -0,0 +1,284 @@
+class FileManagerSetting
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  field :only_editable_for_uploader, type: Boolean, default: false
+  field :root_path, type: String, default: ""
+  field :modules_saved_info, type: Hash, default: {}
+  field :modules_keys, type: Array, default: []
+  belongs_to :file_manager_root
+  has_many :file_manager_uploads
+  has_many :file_manager_trashes
+
+  @@mutex = Mutex.new
+  @@resource = ConditionVariable.new
+
+  def self.get_models_uploaders
+    if !self.class_variable_defined?(:@@get_models_uploaders)
+      @@get_models_uploaders = false
+    end
+    if @@get_models_uploaders
+      @@mutex.synchronize {
+        @@resource.wait(@@mutex)
+      }
+    end
+    @@get_models_uploaders = true
+    if self.class_variable_defined?(:@@modules_info)
+      @@get_models_uploaders = false
+      return @@modules_info
+    end
+    setting = self.first
+    if setting.nil?
+      setting = self.create
+    end
+    modules_info = {}
+    file_only_models = []
+    user_id_fields = ['user_id', 'create_user_id', 'update_user_id']
+    user_id_field_info = {}
+    Rails::Engine.descendants.each do |engine|
+      unless engine.abstract_railtie? || engine.initializers.blank?
+        module_name = engine.initializers[0].name
+        if ModuleApp.where(:key=> module_name).count > 0
+          models_path = Dir.glob("#{engine.root}/app/models/*")
+          uploaders = {}
+          models_path.each do |path|
+            begin
+              require File.basename(path)
+              m = File.basename(path).sub(/\..+/, '').camelize.constantize
+              if m.uploaders.count > 0
+                user_id_field = nil
+                user_id_fields.each do |f|
+                  if m.fields.include?(f)
+                    user_id_field = f
+                    break
+                  end
+                end
+                if user_id_field.nil?
+                  user_id_field = m.fields.select{|f| f.include?('user_id')}.first
+                end
+                user_id_field_info[m] = user_id_field
+                uploaders_info = {}
+                obj = m.new(:id=>nil)
+                m.uploaders.each do |field, uploader_klass|
+                  uploaders_info[field] = {
+                    uploader_klass => "public/" + obj.send(field).store_dir
+                  }
+                end
+                self.set_record_callback(setting, module_name, m, user_id_field)
+                uploaders[m] = uploaders_info
+                m_str = m.to_s
+                if m_str.match(/(File|Image)$/)
+                  file_only_models << m_str
+                else
+                  belongs_to_fields = m.relations.select{|k,v| v.macro == :belongs_to}.keys
+                  if belongs_to_fields.count > 0 && (m.relations.count - belongs_to_fields.count) == 0
+                    fields = m.fields.keys - belongs_to_fields.map{|s| "#{s}_id"}
+                    fields = fields - ["_id", "created_at", "updated_at", "description", "title", "title_translations", "rss2_id", "order", "choose_lang", "privacy_type", "should_destroy", "file_title", "download_count", "sort_number"]
+                    if (fields - m.uploaders.keys.map(&:to_s)).count == 0
+                      file_only_models << m_str
+                    end
+                  end
+                end
+              end
+            rescue LoadError
+            end
+          end
+          if uploaders.count > 0
+            modules_info[module_name] = uploaders
+          end
+        end
+      end
+    end
+    begin
+      require 'asset'
+      module_name = 'asset'
+      m = Asset
+      uploaders = {}
+      if m.uploaders.count > 0
+        uploaders_info = {}
+        obj = m.new(:id=>nil)
+        m.uploaders.each do |field, uploader_klass|
+          uploaders_info[field] = {
+            uploader_klass => "public/" + obj.send(field).store_dir
+          }
+        end
+        uploaders[m] = uploaders_info
+        user_id_field = nil
+        user_id_fields.each do |f|
+          if m.fields.include?(f)
+            user_id_field = f
+            break
+          end
+        end
+        if user_id_field.nil?
+          user_id_field = m.fields.select{|f| f.include?('user_id')}.first
+        end
+        user_id_field_info[m] = user_id_field
+        self.set_record_callback(setting, module_name, m, user_id_field)
+        user_id_field
+      end
+      modules_info[module_name] = uploaders
+      file_only_models << m.to_s
+    rescue LoadError
+    end
+    @@file_only_models = file_only_models
+    @@user_id_field_info = user_id_field_info
+    @@modules_info = modules_info
+    @@mutex.synchronize {
+      @@get_models_uploaders = false
+      @@resource.signal
+    }
+    modules_info
+  end
+
+  def self.set_record_callback(setting, module_name, m, user_id_field)
+    uploader_fields = m.uploaders.keys
+    m_str = m.to_s
+    m.before_save do |record|
+      uploader_fields.each{|f| record.instance_variable_set("@#{f}_changed", record.send("#{f}_changed?"))}
+      true
+    end
+    m.after_save do |record|
+      uploader_fields.each do |f|
+        f_changed = "@#{f}_changed"
+        if record.instance_variable_get(f_changed)
+          store_path = "public#{URI.decode(record.send(f).url)}"
+          if user_id_field
+            user_id = record.send(user_id_field)
+          else
+            user_id = nil
+          end
+          basic_info = {:module=> module_name, :model=>m_str, :related_field=> f, :related_id => record.id}
+          other_info = {:path=> store_path, :user_id=> user_id, :is_default=>true, :created_at => record.created_at, :updated_at => record.updated_at}
+          full_info = other_info.merge(basic_info)
+          old_record = setting.file_manager_uploads.where(basic_info).first
+          if old_record.nil?
+            setting.file_manager_uploads.create(full_info)
+          else
+            old_record.update_attributes(other_info)
+          end
+        end
+        record.remove_instance_variable(f_changed) unless record.instance_variable_get(f_changed).nil?
+      end
+      true
+    end
+    m.after_destroy do |record|
+      unless record.instance_variable_get(:@skip_remove_callback)
+        setting.file_manager_uploads.where(:model=>m_str, :related_id => record.id).destroy
+      end
+      true
+    end
+  end
+
+  def self.file_only_models
+    unless self.class_variable_defined?(:@@file_only_models)
+      self.get_models_uploaders
+    end
+    return @@file_only_models
+  end
+
+  def self.get_module_info(key)
+    if key == 'all'
+      title = I18n.t("file_manager.all_files")
+      link = nil
+      icon_class = 'icons-disk'
+      sidebar = nil
+    elsif key == 'asset'
+      title = I18n.t('filemanager')
+      link = Rails.application.routes.url_helpers.admin_assets_path
+      icon_class = 'icons-folder'
+      sidebar = nil
+    else
+      module_app = ModuleApp.where(:key=>key).first
+      return if module_app.nil?
+      t = module_app.get_registration
+      return if t.nil?
+      sidebar = t.get_side_bar
+      if sidebar
+        t = sidebar
+        icon_class = t.get_icon_class
+        module_label = t.instance_variable_get(:@head_label)
+        link = t.instance_variable_get(:@head_link)
+        if link
+          link = Rails.application.routes.url_helpers.send(link)
+        end
+      else
+        icon_class = module_app.icon_class_no_sidebar
+        module_label = t.instance_variable_get(:@module_label)
+        plugin_t = OrbitApp::Plugin::Registration.find_by_module_app_name(module_app.title)
+        link = plugin_t.admin_partial_path if plugin_t
+      end
+      title = I18n.t(module_label)
+    end
+    {
+      :title => title,
+      :link => link,
+      :icon_class => icon_class,
+      :sidebar => sidebar
+    }
+  end
+
+  def create_records
+    modules_info = self.class.get_models_uploaders
+    models_dict = self.modules_saved_info
+    modules_info.each do |module_key, uploaders|
+      uploaders.each do |m, uploaders_info|
+        m_str = m.to_s
+        if models_dict[m_str].nil?
+          models_dict[m_str] = nil
+        end
+      end
+    end
+    self.modules_saved_info = models_dict
+    self.modules_keys = modules_info.keys
+    self.save
+    modules_info.each do |module_key, uploaders|
+      # module_app = ModuleApp.where(:key=> module_key).first
+      # I18n.t("module_name.#{module_key}")
+      uploaders.each do |m, uploaders_info|
+        user_id_field = @@user_id_field_info[m]
+        uploader_fields = uploaders_info.keys
+        records = m.any_of(uploader_fields.map{|f| {f => {"$ne" => nil}}})
+        m_str = m.to_s
+        if self.modules_saved_info[m_str]
+          records = records.where(:created_at.gte=> (self.modules_saved_info[m_str] - 1))
+        end
+        records = records.order_by(:created_at=> :asc).to_a
+        records_last_idx = records.length - 1
+        records.each_with_index do |r, i|
+          uploader_fields.each do |f|
+            f_value = r.send(f)
+            if f_value.present?
+              store_path = "public#{URI.decode(f_value.url)}"
+              unless File.exist?(store_path)
+                next
+              end
+              if user_id_field
+                user_id = r.send(user_id_field)
+              else
+                user_id = nil
+              end
+              basic_info = {:module=> module_key, :model=> m.to_s, :related_field=> f, :related_id => r.id, :is_default=> true}
+              other_info = {:path=> store_path, :user_id=> user_id, :created_at => r.created_at, :updated_at => r.updated_at}
+              full_info = other_info.merge(basic_info)
+              old_record = self.file_manager_uploads.where(basic_info).first
+              if old_record.nil?
+                self.file_manager_uploads.create(full_info)
+              else
+                old_record.update_attributes(other_info)
+              end
+            end
+          end
+          if i % 10 || i == records_last_idx
+            puts "#{m} updated at #{r.created_at}"
+            self.class.where(:id=>self.id).update_all("modules_saved_info.#{m}" => r.created_at.to_i)
+          end
+        end
+      end
+    end
+  end
+
+  def get_modules_keys
+    _modules_keys = self.modules_keys.sort
+    _modules_keys = ["all"] + ["asset"] + (_modules_keys - ["asset"])
+  end
+end
\ No newline at end of file
diff --git a/app/models/file_manager_trash.rb b/app/models/file_manager_trash.rb
new file mode 100644
index 0000000..45dd06b
--- /dev/null
+++ b/app/models/file_manager_trash.rb
@@ -0,0 +1,83 @@
+class FileManagerTrash
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  Restrict_dirs = ["/", "/home/", "/etc/", "/var/*/", "/root/", "/usr/*/"]
+  field :is_file, type: Boolean, default: true
+  field :module, type: String, default: ""
+  field :path, type: String, default: ""
+  field :trash_path, type: String, default: ""
+  field :user_id
+  field :is_slave, type: Boolean, default: false
+  field :record_only, type: Boolean, default: false
+  belongs_to :file_manager_upload, index: true
+  belongs_to :file_manager_setting
+  index({module: 1}, { unique: false, background: true })
+  index({created_at: -1}, { unique: false, background: true })
+  before_create do
+    if self.trash_path.blank?
+      self.trash_path = Pathname.new("#{FileManagerRoot::RootPath}").join(self.file_manager_setting && self.file_manager_setting.class == FileManagerSetting ? self.file_manager_setting.root_path : '').join(".trash/#{self.file_manager_setting_id}/#{self.id}/#{File.basename(self.path)}")
+      trash_dir = File.dirname(self.trash_path)
+      FileUtils.mkdir_p(trash_dir)
+      upload = self.file_manager_upload
+      if File.exist?(upload.get_real_path)
+        FileUtils.mv(upload.get_real_path, self.trash_path)
+      end
+    end
+  end
+  before_destroy do
+    upload = self.file_manager_upload
+    if upload
+      if upload.is_default
+        upload.remove_file_callback
+      end
+      if self.record_only
+        upload.destroy
+      else
+        FileManagerUpload.where(:path=> upload.path).destroy
+      end
+    end
+    true
+  end
+  def get_version
+    return (self.file_manager_upload ? self.file_manager_upload.version : 1)
+  end
+  def delete_file
+    self.class.delete_file_permanent(self.path, File.dirname(self.trash_path), self.record_only)
+    unless self.is_file
+      self.class.where(:trash_path=>/^#{::Regexp.escape(self.trash_path)}/,:is_slave=>true).destroy
+    end
+    self.destroy
+  end
+  def self.check_restricted(path)
+    return Restrict_dirs.map{|d| path.match("^#{d.gsub('/*/','/.*')}[^/]+(/|)$")}.compact.length > 0
+  end
+  def self.delete_file_permanent(path, trash_path=nil, only_self=false)
+    unless self.check_restricted(path)
+      dir = File.dirname(path)
+      basename = File.basename(path)
+      if trash_path
+        FileUtils.rm_rf(trash_path)
+      else
+        FileUtils.rm_rf(path)
+      end
+      unless only_self
+        Dir.glob("#{dir}/.versions/*/#{basename}").each{|f| FileUtils.rm_rf(f)}
+      end
+    else
+      puts "Path: #{path}"
+      puts "File or Directory restricted!"
+    end
+  end
+  def recover_file
+    if File.exist?(self.trash_path)
+      dir = File.dirname(self.path)
+      FileUtils.mkdir_p(dir)
+      FileUtils.mv(self.trash_path, self.path)
+    end
+    self.file_manager_upload.update(:is_trash=>false) if self.file_manager_upload
+    unless self.is_file
+      self.class.where(:trash_path=>/^#{::Regexp.escape(self.trash_path)}/,:is_slave=>true).delete
+    end
+    self.delete
+  end
+end
\ No newline at end of file
diff --git a/app/models/file_manager_upload.rb b/app/models/file_manager_upload.rb
new file mode 100644
index 0000000..e650feb
--- /dev/null
+++ b/app/models/file_manager_upload.rb
@@ -0,0 +1,172 @@
+class FileManagerUpload
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  Restrict_dirs = ["/", "/home/", "/etc/", "/var/*/", "/root/", "/usr/*/"]
+  field :module, type: String, default: ""
+  field :model, type: String, default: ""
+  field :related_field, type: String, default: ""
+  field :related_id, type: BSON::ObjectId
+  field :is_file, type: Boolean, default: true
+  field :filename, type: String, default: ""
+  field :path, type: String, default: ""
+  field :version, type: Integer, default: 1
+  field :is_default, type: Boolean, default: false
+  field :user_id
+  field :is_trash, type: Boolean, default: false
+  belongs_to :file_manager_setting
+  has_one :file_manager_trash
+  index({model: 1, related_field: 1, related_id: 1}, { unique: false, background: true })
+  index({module: 1}, { unique: false, background: true })
+  index({version: -1}, { unique: false, background: true })
+  index({created_at: -1}, { unique: false, background: true })
+  index({path: 1}, { unique: false, background: true })
+  index({filename: 1}, { unique: false, background: true })
+  index({is_trash: 1}, { unique: false, background: true })
+  
+  before_save do
+    self.filename = File.basename(self.path)
+    if self.filename_changed? && self.related_id.present?
+      m = self.model.constantize
+      info = {self.related_field => self.filename}
+      if self.model == 'Asset'
+        I18n.available_locales.each do |l|
+          info["title.#{l}"] = self.filename
+        end
+      end
+      m.where(:id=> self.related_id).update_all(info)
+    end
+    true
+  end
+
+  def self.check_restricted(path)
+    return Restrict_dirs.map{|d| path.match("^#{d.gsub('/*/','/.*')}[^/]+(/|)$")}.compact.length > 0
+  end
+
+  def get_related
+    begin
+      m = self.model.constantize
+      related = m.where(:id=> self.related_id).first
+    rescue => e
+      related = nil
+      puts "get_related: #{e}"
+    end
+    related
+  end
+
+  def generate_new_upload
+    clone_record = self.clone
+    clone_record.is_trash = false
+    clone_record.created_at = Time.now
+    clone_record.updated_at = Time.now
+    self.update_path(self.path, self.is_default ,true)
+    clone_record.version += 1
+    clone_record.save
+    clone_record
+  end
+  def delete_file(record_only=false,override_user_id=nil, real_delete=false, is_slave=false, trash_path=nil)
+    if !real_delete
+      unless self.is_trash
+        unless self.is_file
+          if !is_slave && Dir.glob(Pathname.new(self.path).join("*").to_s).count == 0 #remove empty dir
+            self.delete_file_permanent
+            return
+          end
+        end
+        override_user_id = self.user_id if override_user_id.nil?
+        unless self.class.check_restricted(self.path)
+          setting = self.file_manager_setting
+          setting = FileManagerRoot.first if setting.nil?
+          self.file_manager_trash = FileManagerTrash.create(:record_only=>record_only,:file_manager_upload=>self,:is_file=>is_file,:user_id=>override_user_id,:module=>self.module,:path=>self.path,:file_manager_setting=>setting,:is_slave=>is_slave, :trash_path=>trash_path)
+          self.update(:is_trash => true)
+          if record_only
+            other_records = self.class.where(:path=>self.path,:id.ne=>self.id,:is_trash=>false).order_by(:version=>-1).to_a
+            if other_records.count != 0
+              newest_record = other_records[0]
+              if self.is_default
+                newest_record.update_path(self.path, true)
+              end
+              newest_record
+            else
+              nil
+            end
+          end
+        else
+          puts "Path: #{path}"
+          puts "File or Directory restricted!"
+        end
+      end
+    else
+      self.delete_file_permanent
+    end
+  end
+  def delete_file_permanent(only_self=false)
+    if only_self
+      real_path = self.get_real_path
+      FileManagerTrash.delete_file_permanent(real_path, nil, true)
+      unless self.is_default
+        dir = File.dirname(real_path)
+        if Dir.entries(dir).empty?
+          FileUtils.rm_rf(dir)
+        end
+      end
+      related = self.get_related
+      if self.is_default
+        other_records = self.class.where(:file_manager_setting=>self.file_manager_setting,:path=>self.path,:id.ne=>self.id).order_by(:version=>-1)
+        if other_records.count != 0
+          newest_record = other_records[0]
+          real_old_path = newest_record.get_real_path(self.path)
+          newest_record.update_path(self.path, true)
+          dir = File.dirname(real_old_path)
+          if (Dir.entries(dir) - ['.','..']).empty?
+            FileUtils.rm_rf(dir)
+          end
+          self.update(:is_default => false)
+        end
+      end
+      self.destroy
+    else
+      FileManagerTrash.delete_file_permanent(self.path)
+      self.class.where(:file_manager_setting=>self.file_manager_setting,:path=>self.path,:is_trash=>false).destroy
+    end
+  end
+  def get_real_path(tmp_path=self.path, override_default=self.is_default)
+    return (override_default ? tmp_path : "#{File.dirname(tmp_path)}/.versions/v#{self.version}/#{File.basename(tmp_path)}#{self.is_file ? '' : '/'}")
+  end
+  def update_path(new_path, override_default = nil, move_to_old_version=false, copy_mode=false)
+    override_default = self.is_default if override_default.nil?
+    real_old_path = self.get_real_path(self.path)
+    if move_to_old_version
+      real_new_path = self.get_real_path(new_path, false)
+      self.is_default = false
+    else
+      self.is_default = override_default
+      real_new_path = self.get_real_path(new_path, override_default)
+    end
+    if File.exist?(real_old_path)
+      dir = File.dirname(real_new_path)
+      FileUtils.mkdir_p(dir)
+      if real_old_path != real_new_path
+        FileUtils.mv(real_old_path, real_new_path)
+      end
+    end
+    self.path = new_path
+    self.save
+    if self.is_default && self.related_id.present?
+      m = self.model.constantize
+      m.where(:id=>self.related_id).update_all(self.related_field => self.filename)
+    end
+    self
+  end
+
+  def remove_file_callback
+    m = self.model.constantize
+    if FileManagerSetting.file_only_models.include?(self.model)
+      m.where(:id=>self.related_id).to_a.each do |record|
+        record.instance_variable_set(:@skip_remove_callback, true)
+        record.destroy
+      end
+    else
+      m.where(:id=>self.related_id).update_all(self.related_field => nil)
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/views/admin/file_managers/_file.html.erb b/app/views/admin/file_managers/_file.html.erb
new file mode 100644
index 0000000..4a2e182
--- /dev/null
+++ b/app/views/admin/file_managers/_file.html.erb
@@ -0,0 +1,95 @@
+<h3><%= generate_breadcrumb %></h3>
+<section id="file_manager_section">
+  <span class="btn-wrapper">
+    <% if !@upload_item.is_trash && @all_uploads && @all_uploads.count > 1 %>
+      <%= link_to "javascript:void(0)", class: 'delete_file', data: { "tmp-confirm"=> "Are you sure you want to delete `#{URI.decode(@relative_path) + ' - Version ' + @active_version.to_s}`?", "link"=> admin_file_manager_path(@upload_item.id, :type=> 'upload'), "version"=> @active_version } do %>
+        <%= fa_icon 'trash' %> <%= t("file_manager.delete") %>
+      <% end %>
+    <% end %>
+    <%= link_to "/xhr/file_manager_download?id=#{@upload_item.id}", class: 'download' do %>
+      <%= fa_icon 'download' %> Download
+    <% end %>
+    <% if !@upload_item.is_trash %>
+      <% if !@is_img && !@too_big && !@unknown_encoding %>
+        <%= link_to "javascript:void(0)", class: 'edit' do %>
+          <%= fa_icon 'edit' %> Edit
+        <% end %>
+        <%= link_to "javascript:void(0)", class: 'save hide', data: {id: @upload_item.id.to_s} do %>
+          <%= fa_icon 'save' %> Save
+        <% end %>
+      <% end %>
+      <div class="dropup upload-button">
+        <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">
+          <i class="icon-upload-alt icon-white"></i><%= t('file_manager.upload') %>
+          <span class="caret"></span>
+        </button>
+        <div class="dropdown-menu upload-box">
+          <form action="<%= upload_file_admin_file_manager_path(@upload_item.id) %>" method="post" enctype="multipart/form-data" class="upload_form">
+            <%= hidden_field_tag :authenticity_token, form_authenticity_token %>
+            <input type="file" name="file" >
+            <input type="hidden" name="url" value="<%= request.fullpath %>">
+            <input type="hidden" name="type" value="update">
+            <button class="btn btn-primary" type="submit"><%= t(:submit) %></button>
+          </form>
+        </div>
+      </div>
+    <% end %>
+  </span>
+<% if @all_uploads && @all_uploads.count > 1 %>
+  <ul class="tab_nav custom_tabs" style="clear: left;">
+    <% @all_uploads.each do |r| %>
+      <li class="<%= 'active' if r.version == @active_version %>"><a title="Version <%= r.version %> (<%= r.created_at.strftime('%Y/%m/%d %H:%M') %>)" class="change_version" data-version="<%= r.version %>" data-id="<%= r.id.to_s %>">Version <%= r.version %></a></li>
+    <% end %>
+  </ul>
+<% end %>
+<div style="clear: both;">
+<% if @is_img %>
+  <div style="clear: both;"></div>
+  <img src="/xhr/file_manager_download?id=<%=@id%>" />
+<% elsif File.extname(@upload_item.path) == '.pdf' %>
+  <iframe src="/xhr/file_manager_download?id=<%=@id%>&preview=true" style="width: 100%; height: 100vw;" />
+<% elsif @too_big %>
+  <pre><%= @file %></pre>
+<% else %>
+  <textarea class="edit-area hide"></textarea>
+  <pre><%= @file %></pre>
+<% end %>
+</div>
+<script>
+  window.recycle_bin_text = "<%=t('file_manager.recycle_bin')%>";
+  window.current_path = "<%= @relative_path %>"
+  <% if @only_select_folder %>
+  window.only_select_folder = true;
+  <% end %>
+  <% if @setting %>
+  window.explorer_setting_id = "<%= @setting.id %>";
+  <% end %>
+  <% unless @disable_path_traversal %>
+  window.path_mode = "params";
+  window.use_params_request = true;
+  <% end %>
+  if (typeof(FormData) != typeof(undefined)) {
+    $('.upload_form').submit(function(evt){   
+      evt.preventDefault();
+      var formData = new FormData(this);
+      formData.append('remote', true);
+      $.ajax({
+          url: $(this).attr('action'),
+          type: 'POST',
+          data: formData,
+          async: false,
+          cache: false,
+          contentType: false,
+          enctype: 'multipart/form-data',
+          processData: false,
+          success: function (data) {
+            reload_page(undefined, false, {"file_id": data.id});
+          }
+       });
+
+       return false;
+
+    });
+  }
+</script>
+</section>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/_form_setting.html.erb b/app/views/admin/file_managers/_form_setting.html.erb
new file mode 100644
index 0000000..9d76661
--- /dev/null
+++ b/app/views/admin/file_managers/_form_setting.html.erb
@@ -0,0 +1,22 @@
+<div class="path_setting_block">
+    <span class="remove_btn<%= '_old' unless form_setting.new_record?%>">X<%= f.hidden_field :_destroy, :class=>"should_destroy"%></span>
+    <h4>
+        <%= t('file_manager.setting', :num=> (form_setting.new_record? ? 'settings_count' : "#{i + 1}")) %>
+    </h4>
+    <div class="control-group">
+        <%= f.label :only_editable_for_uploader, t("file_manager.only_editable_for_uploader") , :class=>"control-label" %>
+        <div class="controls">
+            <%= f.check_box :only_editable_for_uploader %>
+        </div>
+    </div>
+    <div class="control-group">
+        <%= f.label :root_path, t("file_manager.root_path") , :class=>"control-label" %>
+        <div class="controls">
+            <%= f.text_field :root_path %>
+            <button class="browse_path btn btn-primary" type="button"><%=t("file_manager.browse")%></button>
+        </div>
+    </div>
+    <% unless form_setting.new_record? %>
+        <%= f.hidden_field :id %>
+    <% end %>
+</div>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/_module.html.erb b/app/views/admin/file_managers/_module.html.erb
new file mode 100644
index 0000000..d5406db
--- /dev/null
+++ b/app/views/admin/file_managers/_module.html.erb
@@ -0,0 +1,152 @@
+<% if @module_key == 'asset' %>
+  <style type="text/css">
+    .file-input.file-input-ajax-new {
+        display: block;
+    }
+  </style>
+<% end %>
+<h3><%= generate_breadcrumb %></h3>
+<span class="btn-wrapper">
+  <a href="javascript:void(0)" class="download redirect_recycle_bin"><%=t('file_manager.recycle_bin')%></a>
+</span>
+<table>
+  <thead>
+    <tr>
+      <% if @display_module_name %>
+      <th><%= t("file_manager.module") %></th>
+      <% end %>
+      <th><%= t("file_manager.name") %></th>
+      <th><%= t("file_manager.size") %></th>
+      <th><%= t("file_manager.updated_at") %></th>
+      <% unless @only_select_folder %>
+      <th><%= t("file_manager.rename") %></th>
+      <th><%= t("file_manager.delete") %></th>
+      <th><%= t("download") %></th>
+      <th><%= t("file_manager.upload") %></th>
+      <th><%= t("file_manager.link") %></th>
+      <% end %>
+    </tr>
+  </thead>
+  <tbody>
+    <% @directory.each do |entry| %>
+    <% next if @relative_path.blank? && entry[:relative] == '..' %>
+    <tr>
+      <% if @display_module_name %>
+      <td class="module">
+        <%
+          module_info = @module_info_dict[entry[:module]]
+          module_title = (module_info ? module_info[:title] : nil)
+        %>
+        <% if module_title %>
+          <%= link_to(module_title, "javascript:void(0)", class: "module-key", data: {'key'=>entry[:module]}) %>
+        <% end %>
+      </td>
+      <% end %>
+      <td class="name">
+        <%= link_to "javascript:void(0)", class: entry[:type].to_s, data: {'entry'=>entry[:entry], 'id'=> entry[:id]} do %>
+          <%= fa_icon (entry[:type] == :file ? 'file' : 'folder') %>
+          <span class="filename"><%= entry[:entry] %></span>
+        <% end %>
+      </td>
+      <td class="size">
+        <%= entry[:size] %>
+      </td>
+      <td class="date">
+        <%= entry[:date] %>
+      </td>
+      <% unless @only_select_folder %>
+      <td>
+        <% if entry[:is_editable] && entry[:entry] != './' && entry[:entry] != '../' %>
+          <%= link_to 'javascript:void(0)', class: 'rename', onclick: "rename('#{entry[:id]}', '#{URI.decode(entry[:relative])}')" do %>
+            <%= fa_icon 'i-cursor' %> <%= t("file_manager.rename") %>
+          <% end %>
+        <% end %>
+      </td>
+      <td>
+        <% if entry[:is_editable] && entry[:entry] != './' && entry[:entry] != '../' %>
+          <%= link_to "javascript:void(0)", class: 'delete', data: { "tmp-confirm"=> "Are you sure you want to delete `#{URI.decode(entry[:relative])}`?", "link"=> admin_file_manager_path(entry[:id]) } do %>
+            <%= fa_icon 'trash' %> <%= t("file_manager.delete") %>
+          <% end %>
+        <% end %>
+      </td>
+      <td>
+        <% if entry[:id] && entry[:is_file] %>
+          <a class="download" href="/xhr/file_manager_download?id=<%=entry[:id]%>" title="<%= t("download") + ' ' + entry[:entry] %>" target="_blank"><%= fa_icon 'download' %> <%= t("download") %></a>
+        <% end %>
+      </td>
+      <td>
+        <div class="dropup upload-button">
+          <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">
+            <i class="icon-upload-alt icon-white"></i><%= t('file_manager.upload') %>
+            <span class="caret"></span>
+          </button>
+          <div class="dropdown-menu upload-box">
+            <form action="<%= upload_file_admin_file_manager_path(entry[:id]) %>" method="post" enctype="multipart/form-data" class="upload_form">
+              <%= hidden_field_tag :authenticity_token, form_authenticity_token %>
+              <input type="file" name="file" >
+              <input type="hidden" name="url" value="<%= request.fullpath %>">
+              <input type="hidden" name="type" value="update">
+              <button class="btn btn-primary" type="submit"><%= t(:submit) %></button>
+            </form>
+          </div>
+        </div>
+      </td>
+      <td>
+        <div class="tooltip">
+          <button class="copyButton btn btn-success" class="input-group-addon btn" data-link="<%= entry[:absolute].sub('public', '') %>" data-prompt="<%= t("file_manager.copied") %>">
+            <span class="tooltiptext"><%= t("file_manager.copy_link") %></span>
+            <i class="fa fa-clipboard" aria-hidden="true"></i>
+          </button>
+        </div>
+      </td>
+      <% end %>
+    </tr>
+    <% end %>
+  </tbody>
+</table>
+<%=
+  content_tag :div, class: "bottomnav clearfix" do
+    content_tag(:div, paginate(@uploads), class: "pagination pagination-centered")
+  end
+%>
+</section>
+<script>
+  <% unless @disable_path_traversal %>
+  window.path_mode = "params";
+  window.use_params_request = true;
+  <% end %>
+  if (typeof(FormData) != typeof(undefined)) {
+    $('.upload_form').submit(function(evt){   
+      evt.preventDefault();
+      var formData = new FormData(this);
+      formData.append('remote', true);
+      var tr = $(this).parents('tr').eq(0);
+      var file_link = tr.find('td.name a');
+      var size_td = tr.find('td.size');
+      var date_td = tr.find('td.date');
+      $.ajax({
+          url: $(this).attr('action'),
+          type: 'POST',
+          data: formData,
+          async: false,
+          cache: false,
+          contentType: false,
+          enctype: 'multipart/form-data',
+          processData: false,
+          success: function (data) {
+            file_link.attr('data-entry', data.filename);
+            file_link.data('entry', data.filename);
+            file_link.attr('data-id', data.id);
+            file_link.data('id', data.id);
+            file_link.find('.filename').text(data.filename);
+            size_td.text(data.size);
+            date_td.text(data.date);
+          }
+       });
+
+       return false;
+
+    });
+  }
+
+</script>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/_recycle_bin.html.erb b/app/views/admin/file_managers/_recycle_bin.html.erb
new file mode 100644
index 0000000..f5e44b7
--- /dev/null
+++ b/app/views/admin/file_managers/_recycle_bin.html.erb
@@ -0,0 +1,100 @@
+<section id="file_manager_section">
+  <h3><%= generate_breadcrumb %></h3>
+  <span class="btn-wrapper">
+    <% if @directory.count != 0 %>
+      <a href="javascript:void(0)" class="recover_all" data-prompt="<%=t('file_manager.are_you_sure_to_recover_all')%>" data-num="<%=@directory.count%>"data-unit="<%=t('file_manager.file_unit')%>" title="<%=t('file_manager.clean_up_recycle_bin')%>">
+        <%=t('file_manager.recover_all')%>
+      </a>
+      <a href="javascript:void(0)" class="clean_up_recycle_bin" data-prompt="<%=t('file_manager.are_you_sure_to_delete_files_permanently')%>" data-num="<%=@directory.count%>"data-unit="<%=t('file_manager.file_unit')%>" title="<%=t('file_manager.clean_up_recycle_bin')%>">
+        <%=t('file_manager.clean_up_recycle_bin')%>
+      </a>
+    <% end %>
+  </span>
+<table>
+  <thead>
+    <tr>
+      <% if @display_module_name %>
+        <th><%= t("file_manager.module") %></th>
+      <% end %>
+      <th><%= t("file_manager.name") %></th>
+      <th><%= t("file_manager.size") %></th>
+      <th><%= t("file_manager.deleted_at") %></th>
+      <th><%= t("file_manager.updated_at") %></th>
+      <% unless @only_select_folder %>
+      <th><%= t("file_manager.recover") %></th>
+      <th><%= t("file_manager.delete_permanently") %></th>
+      <% end %>
+    </tr>
+  </thead>
+  <tbody>
+    <% @directory.each do |entry| %>
+    <% next if @relative_path.blank? && entry[:relative] == '..' %>
+    <tr>
+      <% if @display_module_name %>
+        <td>
+          <%
+            module_info = @module_info_dict[entry[:module]]
+            module_title = (module_info ? module_info[:title] : nil)
+          %>
+          <% if module_title %>
+            <%= link_to(module_title, "javascript:void(0)", class: "module-key", data: {'key'=>entry[:module]}) %>
+          <% end %>
+        </td>
+      <% end %>
+      <td class="name">
+        <%= link_to "javascript:void(0)", class: entry[:type].to_s, data: {'entry'=>entry[:entry], 'id'=> entry[:upload_id]} do %>
+          <%= fa_icon (entry[:type] == :file ? 'file' : 'folder') %>
+          <span class="filename"><%= entry[:name] %></span>
+        <% end %>
+      </td>
+      <td>
+        <%= entry[:size] %>
+      </td>
+      <td class="date">
+        <%= entry[:deleted_at] %>
+      </td>
+      <td class="date">
+        <%= entry[:date] %>
+      </td>
+      <% unless @only_select_folder %>
+      <td>
+        <% if entry[:entry] != './' && entry[:entry] != '../' %>
+          <%= link_to 'javascript:void(0)', class: 'recover', data: { "tmp-confirm"=> t("file_manager.are_you_sure_to_recover"), "link"=> recover_admin_file_manager_path(entry[:id]) } do %>
+            <%= fa_icon 'trash-restore' %> <%= t("file_manager.recover") %>
+          <% end %>
+        <% end %>
+      </td>
+      <td>
+        <% if entry[:entry] != './' && entry[:entry] != '../' %>
+          <%= link_to "javascript:void(0)", class: 'delete', data: { "tmp-confirm"=> t("file_manager.are_you_sure_you_want_to_delete_file_permanently",:file=>entry[:org_path]), "link"=> admin_file_manager_path(entry[:id], permanent: true) } do %>
+            <%= fa_icon 'trash' %> <%= t("file_manager.delete_permanently") %>
+          <% end %>
+        <% end %>
+      </td>
+      <% end %>
+    </tr>
+    <% end %>
+  </tbody>
+</table>
+</section>
+<div class="bottomnav clearfix">
+  <%= content_tag(:div, paginate(@trashes), class: "pagination pagination-centered") %>
+  <div class="pull-right">
+    <% if @thread %>
+      <button class="show_progress btn btn-primary" type="button"><%= t("file_manager.show_progress") %></button>
+    <% end %>
+  </div>
+</div>
+<script>
+  window.is_recycle_bin = true;
+</script>
+<script>
+  $(document).ready(function(){
+    if($("#threadModal").data('id')){
+      $("#threadModal").modal("show");
+      $(".show_progress").click(function(){
+        $("#threadModal").modal("show");
+      })
+    }
+  })
+</script>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/index.html.erb b/app/views/admin/file_managers/index.html.erb
new file mode 100644
index 0000000..245c880
--- /dev/null
+++ b/app/views/admin/file_managers/index.html.erb
@@ -0,0 +1,39 @@
+<div class="box-content">
+    <ul style="display: flex; flex-wrap: wrap;">
+    	<% 	modules_info = @setting.class.get_models_uploaders
+    		@setting.get_modules_keys.each do |k|
+    			if k == 'all'
+    				info = @setting.class.get_module_info(k)
+    			else
+	    			next if modules_info[k].keys.detect{|_model| @setting.modules_saved_info[_model.to_s]}.nil?
+	    			info = @setting.class.get_module_info(k)
+	    			next if info[:sidebar] && !display_sidebar?(info[:sidebar])
+	    			next if info.nil?
+	    		end
+    	%>
+            <li>
+                <span>
+                    <a href="<%= module_admin_file_manager_path(k) %>" title="<%= info[:title] %>">
+                        <i class="<%= info[:icon_class] %> icon_big"></i>
+                        <%= info[:title] %>
+                    </a>
+                </span>
+            </li>
+        <% end %>
+    </ul>
+</div>
+<style type="text/css">
+    i.icon_big{
+        font-size: 3em;
+        display: block;
+    }
+    #main-wrap li{
+        font-size: 1.3em;
+        list-style: none;
+        float: left;
+        margin: 0.8em;
+    }
+    #main-wrap a{
+        color: black;
+    }
+</style>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/module.html.erb b/app/views/admin/file_managers/module.html.erb
new file mode 100644
index 0000000..6509ac5
--- /dev/null
+++ b/app/views/admin/file_managers/module.html.erb
@@ -0,0 +1,90 @@
+<% content_for :page_specific_css do %>
+  <%= stylesheet_link_tag 'file_manager/default_theme', media: 'all' %>
+  <%= stylesheet_link_tag 'file_manager/application', media: 'all' %>
+  <%= stylesheet_link_tag "bootstrap-fileinput/css/fileinput.min" %>
+  <%= stylesheet_link_tag "https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.min.css", :crossorigin => "anonymous" %>
+<% end %>
+<% content_for :page_specific_javascript do %>
+  <%= javascript_include_tag 'file_manager/application' %>
+  <%= javascript_include_tag "file-upload/tmpl.min.js" %>
+  <%= javascript_include_tag "file-upload/load-image.min.js" %>
+  <%= javascript_include_tag "file-upload/canvas-to-blob.min.js" %>
+  <%= javascript_include_tag "file-upload/jquery.iframe-transport.js" %>
+  <%= javascript_include_tag "file-upload/drop-zone.js" %>
+  <%= javascript_include_tag "bootstrap-fileinput/js/plugins/piexif.min" %>
+  <%= javascript_include_tag "bootstrap-fileinput/js/plugins/sortable.min" %>
+  <%= javascript_include_tag "bootstrap-fileinput/js/fileinput.min" %>
+  <%= javascript_include_tag "bootstrap-fileinput/js/locales/#{I18n.locale}" %>
+<% end %>
+
+<div id="threadModal" class="modal hide fade in" tabindex="-1" role="dialog" aria-labelledby="threadModal" aria-hidden="false" data-id="<%= @thread.id if @thread %>">
+  <div class="modal-dialog" role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h3><%= @thread_title %></h3>
+      </div>
+      <div class="modal-body">
+        <% if @thread %>
+        <div class="thread-status"><%= @thread.status[:status] %></div>
+        <div><span class="thread-current-count"><%= @thread.status[:current_count].to_i %></span>/<span class="thread-all-count"><%= @thread.status[:all_count].to_i %></span></div>
+        <span class="thread-finish_percent"><%= @thread.status[:finish_percent].to_i %></span> % finished
+        <% else %>
+        <div class="thread-status">Processing</div>
+        <div><span class="thread-current-count">0</span>/<span class="thread-all-count">0</span></div>
+        <span class="thread-finish_percent">0</span> % finished
+        <% end %>
+      </div>
+      <div class="modal-footer">
+        <button class="btn" id="modal-close-btn" style="width: 4em;" data-dismiss="modal" aria-hidden="true"><%=t('close')%></button>
+      </div>
+    </div>
+  </div>
+</div>
+<%= render_filter @filter_fields, "index_table" %>
+<section id="file_manager_section">
+<% if @display_uploader_region %>
+<input id="file-uploader" type="file" name="file" multiple>
+<style type="text/css">
+  .file-input.file-input-ajax-new {
+      display: none;
+  }
+</style>
+<script class="file-uploader-script">
+  var $el;
+  $(document).ready(function() {
+    if($('#file_manager_section .file-input').length == 0){
+      $el = $("#file-uploader");
+      var footerTemplate = '<div class="file-thumbnail-footer" style ="height:94px">\n' +
+        ' <div>{caption}</div> ' +
+        '   <div class="small" style="margin:15px 0 2px 0">{size}</div> {progress}\n{indicator}\n{actions}\n' +
+        '</div>';
+      $el.fileinput({
+        language: "<%= I18n.locale %>",
+        uploadUrl: "<%= upload_file_admin_file_manager_path(@module_key) %>",
+        previewFileType: 'any',
+        uploadAsync: true,
+        layoutTemplates: {footer: footerTemplate}
+      }).on('filebatchselected', function(event, files) {
+        //console.log(files);
+      }).on('fileuploaded', function(event, data) {
+        reload_explorer_section(undefined, $('#file_manager_section .file-input .progress-bar:not(.progress-bar-success)').length != 0);
+      }).on('filebatchuploadcomplete', function(event, data) {
+        reload_explorer_section();
+      });
+    }
+  });
+</script>
+<% end %>
+<script>
+  window.file_manager_path = "<%= admin_file_managers_path(:locale=> I18n.locale) %>";
+  window.module_key = "<%= @module_key %>";
+</script>
+<span id="index_table">
+  <% if @file %>
+    <%= render :partial => 'file' %>
+  <% elsif @recycle_bin %>
+    <%= render :partial => 'recycle_bin' %>
+  <% else %>
+    <%= render :partial => 'module' %>
+  <% end %>
+</span>
\ No newline at end of file
diff --git a/app/views/admin/file_managers/settings.html.erb b/app/views/admin/file_managers/settings.html.erb
new file mode 100644
index 0000000..57a47e2
--- /dev/null
+++ b/app/views/admin/file_managers/settings.html.erb
@@ -0,0 +1,106 @@
+<%= stylesheet_link_tag    'file_manager/application', media: 'all' %>
+<%= javascript_include_tag 'file_manager/file_manager' %>
+<style>
+    .path_setting_block{
+        border: 1px solid black;
+        padding: 1em;
+        position: relative;
+    }
+    .remove_btn_old, .remove_btn{
+        color: red;
+        float: right;
+        position: absolute;
+        right: 0;
+        top: 0;
+        background: #ffc3c3;
+        padding: 0.1em 0.5em;
+        cursor: pointer;
+    }
+    #browse_model .modal-body{
+        font-size: 1rem;
+    }
+</style>
+<div class="modal hide fade in" id="browse_model" tabindex="-1" role="dialog" data-backdrop="true">
+    <div class="modal-dialog" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+              <a class="close" data-dismiss="modal">×</a>
+              <h3><%= t("file_manager.select_folder") %></h3>
+            </div>
+            <div class="modal-body">
+            </div>
+            <div class="modal-footer">
+              <a href="#" class="btn" data-dismiss="modal"><%= t("file_manager.select_current_folder") %></a>
+            </div>
+        </div>
+    </div>
+</div>
+<h3><%= t('file_manager.path_setting') %></h3>
+<%= form_for( @root, url: admin_file_managers_update_settings_path, html: {class: 'form-horizontal'} ) do |f| %>
+    <% if current_user.is_admin? %>
+        <div class="control-group">
+            <%= f.label :disable_path_traversal, t("file_manager.disable_path_traversal") , :class=>"control-label" %>
+            <div class="controls">
+                <%= f.check_box :disable_path_traversal %>
+            </div>
+        </div>
+    <% end %>
+    <% @root.file_manager_settings.each_with_index do |setting, i| %>
+        <%= f.fields_for :file_manager_settings, setting do |f| %>
+            <%= render :partial => 'form_setting', object: f.object, locals: {f: f, i: i} %>
+        <% end %>
+    <% end %>
+    <a id="">
+        
+    </a>
+    <!-- Add -->
+    <div class="add-target">
+    </div>
+    <p class="add-btn">
+      <%= hidden_field_tag 'file_manager_settings_count', @root.file_manager_settings.count %>
+      <a id="add_file_manager_setting" class="trigger btn btn-small btn-primary"><i class="icons-plus"></i> <%= t(:add) %></a>
+    </p>
+    <!-- Form Actions -->
+    <div class="form-actions">
+      <%= get_referer_url[:action] rescue "" %>
+      <%= f.submit t('submit'), class: 'btn btn-primary' %>
+      <input type="hidden" name="referer_url" value="<%= get_referer_url %>">
+    </div>
+    <script>
+        $(document).on('click', '#add_file_manager_setting', function(){
+            var new_id = $(this).prev().attr('value');
+            var old_id = new RegExp("new_file_manager_settings", "g");
+            $(this).prev().attr('value', parseInt(new_id) + 1);
+            $(this).parent().siblings('.add-target').append(("<%= escape_javascript(add_attribute 'form_setting', f, :file_manager_settings) %>").replace(old_id, new_id).replace('settings_count', $('.path_setting_block').length + 1));
+        })
+        $(document).on('click', '.remove_btn_old', function(){
+            if(window.confirm('<%=t('file_manager.are_you_sure_to_delete')%>')){
+                $(this).children('.should_destroy').attr('value', 1);
+                $(this).parent().hide();
+            }
+        })
+        $(document).on('click', '.remove_btn', function(){
+            if(window.confirm('<%=t('file_manager.are_you_sure_to_delete')%>')){
+                $(this).parent().remove();
+            }
+        })
+        $(document).on('click', '.browse_path', function(){
+            var that = $(this)
+            var path = that.siblings('input').val();
+            window.current_browse_input = that.siblings('input');
+            window.current_path = path;
+            $.get("/xhr/file_manager/" + "?select_mode=true&path="+path).done(function(data){
+                window.only_select_folder = true;
+                $("#browse_model .modal-body").html('<h4 class="breadcrumb-index"></h4>'+ data);
+                $("#browse_model").modal('show');
+                change_breadcrumb();
+            }).fail(function(){
+                alert("No such file or directory!");
+                that.siblings('input').val('');
+            });
+        })
+        $("#browse_model").on('hidden.bs.modal', function () {
+            window.current_browse_input.val(window.current_path);
+        });
+    </script>
+<% end %>
\ No newline at end of file
diff --git a/app/views/file_managers/custom_widget_data.html.erb b/app/views/file_managers/custom_widget_data.html.erb
new file mode 100644
index 0000000..855dccf
--- /dev/null
+++ b/app/views/file_managers/custom_widget_data.html.erb
@@ -0,0 +1,9 @@
+<% active_setting_id = @custom_data_field[:setting_id] || @settings.first.id rescue nil %>
+<% if @settings.length != 0 %>
+	<div class="control-group input-content">
+	  <label class="control-label" for="custom_setting_id"><%=t("file_manager.path_setting")%> :</label>
+	  <div class="controls">
+		<%= select_tag("#{@field_name}[custom_data_field][setting_id]", options_for_select(@settings.map.with_index{|setting, i| [t("file_manager.setting",:num=>i+1),setting.id]},active_setting_id),{:id=>"custom_setting_id"})%>
+	  </div>
+	</div>
+<% end %>
\ No newline at end of file
diff --git a/app/views/layouts/file_manager.html.erb b/app/views/layouts/file_manager.html.erb
new file mode 100644
index 0000000..9c59514
--- /dev/null
+++ b/app/views/layouts/file_manager.html.erb
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>FileManager</title>
+    <%= csrf_meta_tags %>
+    <%= stylesheet_link_tag    'file_manager/default_theme', media: 'all' %>
+    <%= stylesheet_link_tag    'file_manager/application', media: 'all' %>
+    <%= javascript_include_tag 'file_manager/application' %>
+    <%= javascript_include_tag "file-upload/tmpl.min.js" %>
+    <%= javascript_include_tag "file-upload/load-image.min.js" %>
+    <%= javascript_include_tag "file-upload/canvas-to-blob.min.js" %>
+    <%= javascript_include_tag "file-upload/jquery.iframe-transport.js" %>
+    <%= javascript_include_tag "file-upload/drop-zone.js" %>
+    <%= stylesheet_link_tag "bootstrap-fileinput/css/fileinput.min" %>
+    <%= javascript_include_tag "bootstrap-fileinput/js/plugins/piexif.min" %>
+    <%= javascript_include_tag "bootstrap-fileinput/js/plugins/sortable.min" %>
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
+    <%= javascript_include_tag "bootstrap-fileinput/js/fileinput.min" %>
+    <%= javascript_include_tag "bootstrap-fileinput/js/locales/#{I18n.locale}" %>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.min.css" crossorigin="anonymous">
+  </head>
+
+  <body id="file_manager_body">
+    <div id="threadModal" class="modal hide fade in" tabindex="-1" role="dialog" aria-labelledby="threadModal" aria-hidden="false" data-id="<%= @thread.id if @thread %>">
+      <div class="modal-dialog" role="document">
+        <div class="modal-content">
+          <div class="modal-header">
+            <h3><%=t("file_manager.clean_up_recycle_bin")%></h3>
+          </div>
+          <div class="modal-body">
+            <% if @thread %>
+            <div class="thread-status"><%= @thread.status[:status] %></div>
+            <div><span class="thread-current-count"><%= @thread.status[:current_count].to_i %></span>/<span class="thread-all-count"><%= @thread.status[:all_count].to_i %></span></div>
+            <span class="thread-finish_percent"><%= @thread.status[:finish_percent].to_i %></span> % finished
+            <% else %>
+            <div class="thread-status">Processing</div>
+            <div><span class="thread-current-count">0</span>/<span class="thread-all-count">0</span></div>
+            <span class="thread-finish_percent">0</span> % finished
+            <% end %>
+          </div>
+          <div class="modal-footer">
+            <button class="btn" id="modal-close-btn" style="width: 4em;" data-dismiss="modal" aria-hidden="true"><%=t('close')%></button>
+          </div>
+        </div>
+      </div>
+    </div>
+    <h3 class="breadcrumb-index">
+      <span id="breadcrumb-relative-url">
+        <%= generate_breadcrumb(@relative_path) %>
+      </span>
+      <div id="breadcrumb-editable" contenteditable="" class="hide">/</div>
+    </h3>
+    <%= yield %>
+  </body>
+</html>
diff --git a/bin/rails b/bin/rails
new file mode 100644
index 0000000..af5a9e3
--- /dev/null
+++ b/bin/rails
@@ -0,0 +1,18 @@
+#!/usr/bin/env ruby
+# This command will automatically be run when you run "rails" with Rails 4 gems installed from the root of your application.
+
+ENGINE_ROOT = File.expand_path('../..', __FILE__)
+ENGINE_PATH = File.expand_path('../../lib/file_manager/engine', __FILE__)
+
+# Set up gems listed in the Gemfile.
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+
+# require 'rails/all'
+# require 'rails/engine/commands'
+require "action_controller/railtie"
+require "action_mailer/railtie"
+require "sprockets/railtie"
+require "rails/test_unit/railtie"
+require 'rails/engine/commands'
+require "mongoid/railtie"
diff --git a/config/locales/en.yml b/config/locales/en.yml
new file mode 100644
index 0000000..f40f5fa
--- /dev/null
+++ b/config/locales/en.yml
@@ -0,0 +1,41 @@
+en:
+  module_name:
+    file_manager: File Manager
+  file_manager:
+    module: "Module"
+    all_files: "All Files"
+    root: "root"
+    file_unit: ""
+    only_editable_for_uploader: Only editable for Uploader
+    root_path: Root Path
+    path_setting: Path Setting
+    file_manager: File Manager
+    settings: Settings
+    create_folder: Create Folder
+    new_folder: New Folder
+    setting: "Setting %{num}"
+    are_you_sure_to_recover: "Are you sure to recover file?"
+    are_you_sure_to_delete: "Are you sure to delete?"
+    are_you_sure_to_recover_all: "Are you sure to recover ${num} files?"
+    are_you_sure_to_delete_files_permanently: "Are you sure to delete ${num} files permanently?"
+    are_you_sure_you_want_to_delete_file_permanently: "Are you sure you want to delete `%{file}` permanently?"
+    browse: "Browse"
+    select_folder: "Select Folder"
+    select_current_folder: "Select Current Folder"
+    disable_path_traversal: "Disable path traversal"
+    upload: "Upload"
+    delete: "Delete"
+    rename: "Rename"
+    recycle_bin: "Recycle Bin"
+    delete_permanently: "Delete permanently"
+    recover: "Recover"
+    recover_all: "Recover All"
+    name: "Name"
+    size: "Size"
+    original_path: "Original Path"
+    updated_at: "Updated at"
+    deleted_at: "Deleted at"
+    clean_up_recycle_bin: "Clean Up Recycle Bin"
+    link: "Link"
+    copy_link: "Click to copy"
+    copied: "Copied"
\ No newline at end of file
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
new file mode 100644
index 0000000..5805a54
--- /dev/null
+++ b/config/locales/zh_tw.yml
@@ -0,0 +1,41 @@
+zh_tw:
+  module_name:
+    file_manager: 檔案管理
+  file_manager:
+    module: "模組"
+    all_files: "全部檔案"
+    root: "根目錄"
+    file_unit: "個"
+    only_editable_for_uploader: 僅供上傳者編輯
+    root_path: 根路徑
+    path_setting: 路徑設定
+    file_manager: 檔案管理
+    settings: 設定
+    create_folder: 創建資料夾
+    new_folder: 新增資料夾
+    setting: "設定%{num}"
+    are_you_sure_to_recover: "你確定要復原檔案嗎?"
+    are_you_sure_to_delete: "你確定要刪除嗎?"
+    are_you_sure_to_recover_all: "你確定要還原這${num}檔案嗎?"
+    are_you_sure_to_delete_files_permanently: "你確定要永久刪除這${num}檔案嗎?"
+    are_you_sure_you_want_to_delete_file_permanently: "你確定要永久刪除`%{file}`?"
+    browse: "瀏覽"
+    select_folder: "選擇資料夾"
+    select_current_folder: "選擇當前資料夾"
+    disable_path_traversal: "禁止使用者訪問其他路徑"
+    upload: "上傳"
+    delete: "刪除"
+    rename: "重新命名"
+    recycle_bin: "資源回收桶"
+    delete_permanently: "永久刪除"
+    recover: "復原"
+    recover_all: "還原所有項目"
+    name: "名稱"
+    size: "大小"
+    original_path: "原始位置"
+    updated_at: "修改日期"
+    deleted_at: "刪除日期"
+    clean_up_recycle_bin: "清理資源回收桶"
+    link: "連結"
+    copy_link: "複製連結"
+    copied: "已複製"
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
new file mode 100644
index 0000000..ed614c3
--- /dev/null
+++ b/config/routes.rb
@@ -0,0 +1,53 @@
+Rails.application.routes.draw do
+  if ENV['worker_num']=='0' && File.basename($0) != 'rake' && !Rails.const_defined?('Console')
+    count = FileManagerRoot.count
+    if count == 0
+      root = FileManagerRoot.create
+    else
+      if count > 1
+        FileManagerRoot.all[1..-1].each{|f| f.destroy}
+      end
+      root = FileManagerRoot.first
+    end
+    FileManagerUpload.create_indexes
+    FileManagerTrash.create_indexes
+    setting = root.file_manager_settings.first
+    if setting.nil?
+      setting = root.file_manager_settings.create
+    end
+    Thread.new do
+      setting.create_records
+    end
+  end
+  locales = Site.first.in_use_locales rescue I18n.available_locales
+  
+  scope "(:locale)", locale: Regexp.new(locales.join("|")) do
+    namespace :admin do
+      resources :file_managers do
+        collection do
+          get :settings
+          patch :update_settings
+        end
+        member do
+          get :module
+          put :rename
+          post :recover
+          post :save
+          post :recover_all
+          post :clean_trashes
+          post :get_trash_count
+          post :upload_file
+        end
+      end
+    end
+    get '/xhr/file_manager_download', to: 'file_managers#download'
+    get '/xhr/file_manager', to: 'file_managers#index_backend'
+    post '/xhr/file_manager_upload', to: 'file_managers#upload_index'
+    post "/xhr/file_manager_create_folder/(:path)", to: 'file_managers#create_folder', constraints: { path: /.*/ }
+    post "/xhr/file_manager_save/(:path)", to: 'file_managers#save', constraints: { path: /.*/ }
+    get '/xhr/file_manager/:path', to: 'file_managers#path', constraints: { path: /.+/ }
+    put '/xhr/file_manager/(:path)', to: 'file_managers#rename', constraints: { path: /.+/ }
+    post '/xhr/file_manager_upload/:path', to: 'file_managers#upload', constraints: { path: /.+/ }
+    delete '/xhr/file_manager/(:path)', to: 'file_managers#delete', constraints: { path: /.+/ }
+  end
+end
diff --git a/file-manager.gemspec b/file-manager.gemspec
new file mode 100644
index 0000000..fbc8ff4
--- /dev/null
+++ b/file-manager.gemspec
@@ -0,0 +1,106 @@
+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+# Maintain your gem's version:
+require "file_manager/version"
+bundle_update_flag = ARGV[0]=='update' || ARGV[0]=='install'
+if bundle_update_flag
+  require "json"
+  env_pwd = ENV['PWD']
+  begin
+    require ::File.expand_path('app/helpers/bundler_helper.rb',  env_pwd)
+    extend BundlerHelper
+  rescue LoadError
+    def bundler_with_clean_env
+      if block_given?
+          if Bundler.respond_to?(:with_unbundled_env)
+              Bundler.with_unbundled_env(&Proc.new)
+          else
+              Bundler.with_clean_env(&Proc.new)
+          end
+      end
+    end
+  end
+  app_path = File.expand_path(__dir__)
+  if Dir.exist?("#{app_path}/modules")
+    template_path = env_pwd + '/app/templates'
+    all_template = Dir.glob(template_path+'/*/')
+    default_file_manager_widget_info = JSON.parse(File.read("#{app_path}/modules/file-manager/info.json"))["widgets"].sort_by{|h| h["filename"].to_i} rescue []
+    all_template.each do |folder|
+      if !folder.include?('mobile')
+        info_json_file = "#{folder}modules/file-manager/info.json"
+        if File.exist?(info_json_file)
+          #bundler_with_clean_env{system ('cp -f '+ app_path + '/modules/file-manager/show.html.erb ' + "#{folder}modules/file-manager/.")}
+          begin
+            file_text = File.read(info_json_file) rescue ""
+            encode_file_text = file_text.encode("UTF-8", "UTF-8", invalid: :replace, replace: "???")
+            next if (encode_file_text.include?("???") rescue true)
+            info = JSON.parse(encode_file_text) rescue {}
+            flag = (info.count != 0 rescue false)
+            if flag
+              puts "Checking file-manager widgets"
+              widget_info = info["widgets"].sort_by{|h| h["filename"].to_i} rescue []
+              update_flag = false
+              last_index = widget_info[-1]["filename"].match(/\d+/)[0].to_i rescue nil
+              if !last_index.nil?
+                idx_regex = /^(\d+[\. \t]*)|[ \t]+$/
+                default_file_manager_widget_info.each do |h|
+                  name_without_index = h["name"]["zh_tw"].gsub(idx_regex,'')
+                  widget_info_index = (widget_info.index{|hh| hh["name"]["zh_tw"].gsub(idx_regex,'') == name_without_index}||-1 rescue -1)
+                  if widget_info_index == -1
+                    update_flag = true
+                    copy_h = h.dup
+                    h.delete("force_cover")
+                    last_index = last_index + 1
+                    copy_h["filename"] = copy_h["filename"].sub(/\d+/){|ff| last_index.to_s}
+                    copy_h["name"].keys.each do |locale|
+                      copy_h["name"][locale] = copy_h["name"][locale].sub(/\d+/){|ff| last_index.to_s}
+                    end
+                    widget_info << copy_h
+                    bundler_with_clean_env{%x[cp -f #{app_path}/modules/file-manager/_#{h["filename"]}.html.erb #{folder}modules/file-manager/_#{copy_h["filename"]}.html.erb]}
+                  elsif h["force_cover"] == "true"
+                    bundler_with_clean_env{%x[cp -f #{app_path}/modules/file-manager/_#{h["filename"]}.html.erb #{folder}modules/file-manager/_#{widget_info[widget_info_index]["filename"]}.html.erb]}
+                  end
+                end
+                if update_flag
+                  info["widgets"] = widget_info
+                  puts "Writing json #{info["widgets"].count} in #{info_json_file}"
+                  begin
+                    info_json = JSON.pretty_generate(info).gsub(":[",":[\n").gsub(":{",":{\n")
+                  rescue
+                    info_json = info.to_s.gsub("=>",": \n")
+                  end
+                  File.open(info_json_file,"w+"){|f| f.write(info_json)}
+                end
+              end
+            end
+          rescue => e
+            puts e
+            puts "There has some error when checking file-manager widgets"
+          end
+        else
+          if !Dir.exist?(File.dirname(info_json_file)) && Dir.exist?(File.dirname(File.dirname(info_json_file)))
+            bundler_with_clean_env{system ('cp -r '+ app_path + '/modules/ ' + folder)}
+          end
+        end
+      end
+    end
+  end
+end
+Gem::Specification.new do |s|
+  s.name = "file-manager"
+  s.version = FileManager::VERSION
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.require_paths = ["lib"]
+  s.authors = ["Bohung Chiu"]
+  s.date = "2024-05-12"
+  s.description = "file-manager plugin."
+  s.email = ["bohung@rulingcom.com"]
+  s.files = ["{app,config,lib}/**/*", "MIT-LICENSE", "README.rdoc", "Rakefile"]
+  s.homepage = "https://orbitek.co"
+  s.licenses = ["MIT"]
+  s.summary = "file-manager plugin."
+  s.test_files = ["test/test_helper.rb", "test/controllers/index_test.rb"]
+
+  # s.add_dependency "charlock_holmes"
+  # s.add_dependency "custom_gallery"
+end
diff --git a/lib/file-manager.rb b/lib/file-manager.rb
new file mode 100644
index 0000000..9a48785
--- /dev/null
+++ b/lib/file-manager.rb
@@ -0,0 +1,4 @@
+require "file_manager/engine"
+module FileManager
+  
+end
diff --git a/lib/file_manager/engine.rb b/lib/file_manager/engine.rb
new file mode 100644
index 0000000..04f7faf
--- /dev/null
+++ b/lib/file_manager/engine.rb
@@ -0,0 +1,29 @@
+module FileManager
+  class Engine < ::Rails::Engine
+    initializer "file_manager" do
+      Rails.application.config.to_prepare do
+        FileManagerSetting.get_models_uploaders
+        OrbitApp.registration "FileManager", :type => "ModuleApp" do
+          module_label "file_manager.file_manager"
+          base_url File.expand_path File.dirname(__FILE__)
+          # widget_methods []
+          # widget_settings [{"enable_custom_widget_data"=>true}]
+          authorizable
+          # frontend_enabled
+          side_bar do
+            head_label_i18n 'file_manager.file_manager', icon_class: "icon-folder-open"
+            available_for "managers"
+            active_for_controllers (['admin/file_managers'])
+            head_link_path "admin_file_managers_path"
+
+            context_link 'file_manager.file_manager',
+                                  :link_path=>"admin_file_managers_path" ,
+                                  :priority=>1,
+                                  :active_for_action=>{'admin/file_managers'=>'index'},
+                                  :available_for => 'managers'
+          end
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/file_manager/version.rb b/lib/file_manager/version.rb
new file mode 100644
index 0000000..badcb2f
--- /dev/null
+++ b/lib/file_manager/version.rb
@@ -0,0 +1,3 @@
+module FileManager
+  VERSION = "0.0.1"
+end
diff --git a/lib/tasks/.keep b/lib/tasks/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/lib/tasks/bulletin_tasks.rake b/lib/tasks/bulletin_tasks.rake
new file mode 100644
index 0000000..434204a
--- /dev/null
+++ b/lib/tasks/bulletin_tasks.rake
@@ -0,0 +1,8 @@
+desc 'Remove duplicated bulletins (announcements) created by preview'
+
+namespace :bulletin do
+  task :remove_preview_bulletins => [:environment] do
+    bulletins = Bulletin.where(is_preview: true)
+    bulletins.destroy_all
+  end
+end
diff --git a/test/controllers/.keep b/test/controllers/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/test/controllers/index_test.rb b/test/controllers/index_test.rb
new file mode 100644
index 0000000..42c9862
--- /dev/null
+++ b/test/controllers/index_test.rb
@@ -0,0 +1,62 @@
+require 'test_helper'
+
+class IndexTest < ActionDispatch::IntegrationTest
+  def test_success_root
+    get '/'
+
+    assert_response :success
+    assert_template :index
+    directory = assigns(:directory)
+    assert_equal Dir.entries('.').sort, directory.map { |d| d[:relative] }.sort
+  end
+
+  def test_success_file
+    filename = 'Gemfile'
+    get "/#{filename}"
+
+    assert_response :success
+    assert_template :file
+    assert_equal File.read(filename), assigns(:file)
+  end
+
+  def test_out_of_directory_access
+    assert_raise(ArgumentError) do
+      get "/../../test"
+    end
+  end
+
+  def test_move
+    old_filename = 'tmp/myfile'
+    new_filename = 'tmp/movedfile'
+    FileUtils.touch old_filename
+
+    put "/#{old_filename}", params: { new_name: new_filename }
+
+    assert_response :success
+    assert File.exists?(new_filename)
+    assert !File.exists?(old_filename)
+  ensure
+    FileUtils.rm_rf old_filename
+    FileUtils.rm_rf new_filename
+  end
+
+  def test_delete_file
+    file_to_delete = 'tmp/new_file_to_delete'
+    FileUtils.touch file_to_delete
+    assert File.exists?(file_to_delete)
+
+    delete "/#{file_to_delete}"
+    assert_response :success
+    assert !File.exists?(file_to_delete)
+  end
+
+  def test_upload
+    filename = 'Gemfile'
+    uploaded_filename = "tmp/#{filename}"
+    assert !File.exists?(uploaded_filename)
+    post '/tmp/', params: { file: Rack::Test::UploadedFile.new(filename, 'text/plain') }
+    assert File.exists?(uploaded_filename)
+  ensure
+    FileUtils.rm_rf uploaded_filename
+  end
+end
diff --git a/test/fixtures/.keep b/test/fixtures/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/test/fixtures/files/.keep b/test/fixtures/files/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/test/helpers/.keep b/test/helpers/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/test/integration/.keep b/test/integration/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/test/test_helper.rb b/test/test_helper.rb
new file mode 100644
index 0000000..3acf9ae
--- /dev/null
+++ b/test/test_helper.rb
@@ -0,0 +1,7 @@
+ENV['RAILS_ENV'] ||= 'test'
+require File.expand_path('../../config/environment', __FILE__)
+require 'rails/test_help'
+
+class ActiveSupport::TestCase
+  # Add more helper methods to be used by all tests here...
+end