nccu-news/app/views/admin/news/_form.html.erb

<style type="text/css" media="screen">
  .fileupload-alert{
    display: none;
    width: 597px;
    margin-top: -10px;
    padding: 5px 0;
  }
  .thumbnail{
    width: 310px;
    /*height: 130px;*/
  }
  .thumbnail img{
    width: 100%;
    height: auto;
  }
</style>

<% content_for :page_specific_css do %>
  <%= stylesheet_link_tag "lib/main-forms" %>
  <%= stylesheet_link_tag "lib/fileupload" %>
  <%= stylesheet_link_tag "lib/main-list" %>
<% end %>
<% content_for :page_specific_javascript do %>
  <%= javascript_include_tag "lib/bootstrap-fileupload" %>
  <%= javascript_include_tag "lib/bootstrap-datetimepicker" %>
  <%= javascript_include_tag "lib/datetimepicker/datetimepicker.js" %>
  <%= javascript_include_tag "lib/file-type" %>
  <%= javascript_include_tag "lib/module-area" %>
<% end %>

<!-- Input Area -->
<div class="input-area">

  <!-- Module Tabs -->
  <div class="nav-name"><strong><%= t(:module) %></strong></div>
  <ul class="nav nav-pills module-nav">
    <li class="active"><a href="#basic" data-toggle="tab"><%= t(:basic) %></a></li>
    <% if is_user_sub_manager? %>
      <li></li>
    <% else %>
      <li><a href="#status" data-toggle="tab"><%= t(:status) %></a></li>
    <% end %>
    <li><a href="#imageupload" data-toggle="tab"><%= t("news.image") %></a></li>
  </ul>

  <!-- Module -->
  <div class="tab-content module-area">

    <!-- Basic Module -->
    <div class="tab-pane fade in active" id="basic">

      <!-- Unit Name -->
      <div class="control-group">
        <label class="control-label muted"><%= t("news.unit") %></label>
        <div class="controls">
          <% if request.params["action"] == "edit" %>
            <%= f.select :unit_id, @unit.collect{|t| [ t.name, t.id ]} %>
            <%= f.select :department_id, @department.collect{|t| [ t.name, t.id ]} %>
          <% elsif request.params["action"]== "new" %>
          <%=
            select_tag "news_bulletin[unit_id]",
              options_from_collection_for_select(@unit, "id", "name"),
              :'data-remote' => 'true',
              :'url' => "/admin/news/getdata",
              :'prompt' => t("news_bulletin.ut_prompt"),
              :'data-type' => 'json'
          %>
          <%=
            select_tag "news_bulletin[department_id]"
          %>
          <% end %>
        </div>
      </div>

      <!-- Category -->
      <div class="control-group">
        <label class="control-label muted"><%= t(:category) %></label>
        <div class="controls">
          <%= select_category(f, @module_app) %>
        </div>
      </div>

      <!-- Date Time Picker -->
      <div class="control-group">
        <label class="control-label muted"><%= t(:start_date) %></label>
        <div class="controls">
          <%= f.datetime_picker :postdate, :no_label => true, :new_record => @news_bulletin.new_record? %>
        </div>
      </div>

      <div class="control-group">
        <label class="control-label muted"><%= t(:end_date) %></label>
        <div class="controls">
          <%= f.datetime_picker :deadline, :no_label => true, :new_record => @news_bulletin.new_record? %>
        </div>
      </div>

    </div>

    <!-- Status Module -->
      <div class="tab-pane fade" id="status">

        <!-- Status -->
        <div class="control-group">
          <label class="control-label muted"><%= t(:status) %></label>
          <div class="controls" data-toggle="buttons-checkbox">
            <label class="checkbox inline btn <%= 'active' if @news_bulletin.is_top? %>">
              <%= f.check_box :is_top %> <%= t(:top) %>
            </label>
            <label class="checkbox inline btn <%= 'active' if @news_bulletin.is_hot? %>">
              <%= f.check_box :is_hot %> <%= t(:hot) %>
            </label>
            <label class="checkbox inline btn <%= 'active' if @news_bulletin.is_hidden? %>">
              <%= f.check_box :is_hidden %> <%= t(:hide) %>
            </label>
          </div>
        </div>

      </div>
    <%# end %>

    <!-- Images Module -->
    <div class="tab-pane fade" id="imageupload">

      <!-- Images Upload -->
      <div class="control-group">
        <label class="control-label muted"><%= t("news.image") %></label>
        <div class="controls">
          <div class="fileupload fileupload-new clearfix <%= 'fileupload-edit' if @news_bulletin.image.file %>" data-provides="fileupload">
            <div class="fileupload-new thumbnail pull-left">
              <% if @news_bulletin.image.file %>
                <%= image_tag @news_bulletin.image %>
              <% else %>
                <img src="http://www.placehold.it/400x200/EFEFEF/AAAAAA" />
              <% end %>
            </div>
            <div class="fileupload-preview fileupload-exists thumbnail pull-left"></div>
            <span class="btn btn-file">
              <span class="fileupload-new"><%= t(:select_image) %></span>
              <span class="fileupload-exists"><%= t(:change) %></span>
              <%= f.file_field :image %>
            </span>
            <a href="#" class="btn fileupload-exists" data-dismiss="fileupload"><%= t(:cancel) %></a>
            <div class="controls" data-toggle="buttons-checkbox">
              <label class="checkbox inline btn btn-danger fileupload-remove">
                <%= f.check_box :remove_image %><%= t(:remove) %>
              </label>
            </div>
          </div>
          <br>
          <div class="fileupload-alert alert alert-danger text-center" role="alert"></div>
          <div class="image_note" style="color:red; font-size:14px;">
            <br />
            ※此區塊圖片尺寸使用比例為2:1(圖片寬:高)，寬度最低400px，亦即最小尺寸為400px*200px。
            <br />
            ※<%= t("news.image_size_limit")%>
            <br />
            ※上傳圖片格式僅支援.gif、.jpg、.png
            <br />
            ※<%= t("news.image_note")%>
            <br />
            ※欲知「如何裁剪新聞封面圖片」，請點選
            <a href="http://itservice.nccu.edu.tw/nccuweb/%E5%A6%82%E4%BD%95%E8%A3%81%E5%89%AA%E6%96%B0%E8%81%9E%E5%B0%81%E9%9D%A2%E5%9C%96%E7%89%87.pdf" target="_blank" style="color:red;"><此處></a>。
          </div>
        </div>
        <div class="controls pull-left">
          <input type="checkbox" id="user_default_image" />
          <label class="checkbox inline muted"> <%= t('news_bulletin.user_default_image')%></label>
        </div>
      </div>
        <% @site_in_use_locales.each do |locale| %>
          <%= f.fields_for :image_description_translations do |f| %>
            <div class="control-group">
            <label class="control-label muted" for="image_description_<%= locale.to_s %>"><%= t(:description) + " (#{t(locale.to_s)})" %></label>
              <div class="controls">
                <%= f.text_field locale, value: (@news_bulletin.image_description_translations[locale.to_s] rescue nil) %> 
              </div>
            </div>
          <% end %>
        <% end %>
    </div>
  </div>

  <!-- Language Tabs -->
  <div class="nav-name"><strong><%= t(:language) %></strong></div>
  <ul class="nav nav-pills language-nav">
    <% @site_in_use_locales.each_with_index do |locale, i| %>
      <li class="<%= 'active' if i == 0 %>">
        <a data-toggle="tab" href=".<%= locale %>"><%= t(locale) %></a>
      </li>
    <% end %>
  </ul>

  <!-- Language -->
  <div class="tab-content language-area">

    <% @site_in_use_locales.each_with_index do |locale, i| %>

      <div class="<%= locale %> tab-pane fade <%= ( i == 0 ) ? "in active" : '' %>">

        <!-- Title-->
        <div class="control-group input-title">
          <label class="control-label muted"><%= t(:title) %></label>
          <div class="controls">
            <%= f.fields_for :title_translations do |f| %>
              <%= f.text_field locale, class: "input-block-level", placeholder: t(:title), value: (@news_bulletin.title_translations[locale] rescue nil) %>
            <% end %>
          </div>
        </div>

        <!-- Sub Title -->
        <div class="control-group input-subtitle">
          <label class="control-label muted"><%= t(:subtitle) %></label>
          <div class="controls">
            <div class="textarea">
              <%= f.fields_for :subtitle_translations do |f| %>
                <%= f.text_area locale, rows: 2, class: "input-block-level", value: (@news_bulletin.subtitle_translations[locale] rescue nil) %>
              <% end %>
            </div>
          </div>
        </div>

        <!-- Content -->
        <div class="control-group input-content">
          <label class="control-label muted"><%= t(:content) %></label>
          <div class="controls">
            <div class="image_note" style="color:red; font-size:14px;">
            <span style="font-weight: bolder;">※建議使用IE10、IE11、Chrome(最佳)、Firefox等瀏覽器。</span>
            <br />
            ※內文裡單一圖片大小為1MB以下
            <br />
            ※內文裡單一圖片尺寸的最大寬度600px(滿版)，如圖片要縮小，請依比例調整。
            <br />
            ※欲知「如何裁剪新聞圖片」，請點選
            <a href="http://itservice.nccu.edu.tw/nccuweb/%E5%A6%82%E4%BD%95%E8%A3%81%E5%89%AA%E6%96%B0%E8%81%9E%E5%9C%96%E7%89%87.pdf" target="_blank" style="color:red;"><此處></a>。
            </div>
            <div class="textarea">
              <%= f.fields_for :text_translations do |f| %>
                <%= f.cktext_area locale, rows: 5, class: "input-block-level", :value => (@news_bulletin.text_translations[locale] rescue nil) %>
              <% end %>
            </div>
          </div>
        </div>

      </div>

    <% end %>

    <!-- Link -->
    <div class="control-group">
      <label class="control-label muted"><%= t(:link) %></label>
      <div class="controls add-input">

        <!-- Exist -->
        <% if @news_bulletin && !@news_bulletin.news_bulletin_links.blank? %>
          <div class="exist">
            <% @news_bulletin.news_bulletin_links.each_with_index do |news_bulletin_link, i| %>
              <%= f.fields_for :news_bulletin_links, news_bulletin_link do |f| %>
                <%= render :partial => 'form_link', :object => news_bulletin_link, :locals => {:f => f, :i => i} %>
              <% end %>
            <% end %>
            <hr>
          </div>
        <% end %>

        <!-- Add -->
        <div class="add-target">
        </div>
        <p class="add-btn">
          <%= hidden_field_tag 'news_bulletin_link_field_count', @news_bulletin.news_bulletin_links.count %>
          <a id="add_link" class="trigger btn btn-small btn-primary"><i class="icons-plus"></i> <%= t(:add) %></a>
        </p>

      </div>
    </div>

    <!-- File -->
    <div class="control-group">
      <label class="control-label muted"><%= t(:file_) %></label>
      <div class="controls">

        <!-- Exist -->
        <% if @news_bulletin && !@news_bulletin.news_bulletin_files.blank? %>
          <div class="exist">
            <% @news_bulletin.news_bulletin_files.each_with_index do |news_bulletin_file, i| %>
              <%= f.fields_for :news_bulletin_files, news_bulletin_file do |f| %>
                <%= render :partial => 'form_file', :object => news_bulletin_file, :locals => {:f => f, :i => i} %>
              <% end %>
            <% end %>
            <hr>
          </div>
        <% end %>

        <!-- Add -->
        <div class="add-target">
        </div>
        <p class="add-btn">
          <%= hidden_field_tag 'news_bulletin_file_field_count', @news_bulletin.news_bulletin_files.count %>
          <a id="add_file" class="trigger btn btn-small btn-primary"><i class="icons-plus"></i> <%= t(:add) %></a>
        </p>

      </div>
    </div>

  </div>

</div>

<!-- 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 %>">
  <%= button_tag t("preview"), id: "button_for_preview", name: "commit", class: 'btn', type: :button %>
  <%= link_to t('cancel'), admin_news_index_path, :class=>"btn" %>
</div>

<span id='show_preview'>
  <div class="modal hide fade in banner-preview" id="">
    <div class="modal-header">
      <a class="close" data-dismiss="modal">×</a>
      <h3><%= t(:preview) %></h3>
    </div>
    <div class="modal-body">
      <iframe id="preview-iframe" src=""></iframe>
    </div>
    <div class="modal-footer">
      <a href="#" class="btn" data-dismiss="modal"><%= t(:close) %></a>
    </div>
  </div>
</span>

<% content_for :page_specific_javascript do %>
  <script>
    var validate_files = false;
    var validate_image = false;
    var fileupload_size_limit_mb = 1;
    var fileupload_size_limit = fileupload_size_limit_mb*1000*1000; // 1MB

    $(function() {
      if (location.pathname.substr(-3)=='new'){
        var getDate = new Date();
        var toDay = getDate.getFullYear()+"/"+ (getDate.getMonth()+1)+"/"+getDate.getDate()+" "+getDate.getHours()+":"+getDate.getMinutes();
        $('input[name="news_bulletin[postdate]"]').val(toDay);
      }

      $("#main-wrap").after("");

      $(document).on('click', '#add_link', function(){
        var new_id = $(this).prev().attr('value');
        var old_id = new RegExp("new_news_bulletin_links", "g");
        var on = $('.language-nav li.active').index();
        var le = $(this).parent('.add-btn').prev('.add-target').children('.start-line').length;
        $(this).prev().attr('value', parseInt(new_id) + 1);
        $(this).parent().siblings('.add-target').append(("<%= escape_javascript(add_attribute 'form_link', f, :news_bulletin_links) %>").replace(old_id, new_id));
        $(this).parent('.add-btn').prev('.add-target').children('.start-line').eq(le).children('.tab-content').children('.tab-pane').eq(on).addClass('in active').siblings().removeClass('in active');
        formTip();
      });
      $(document).on('click', '#add_file', function(){
        var new_id = $(this).prev().attr('value');
        var old_id = new RegExp("new_news_bulletin_files", "g");
        var on = $('.language-nav li.active').index();
        var le = $(this).parent('.add-btn').prev('.add-target').children('.start-line').length;
        $(this).prev().attr('value', parseInt(new_id) + 1);
        $(this).parent().siblings('.add-target').append(("<%= escape_javascript(add_attribute 'form_file', f, :news_bulletin_files) %>").replace(old_id, new_id));
        $(this).parent('.add-btn').prev('.add-target').children('.start-line').eq(le).children('.input-append').find('.tab-content').each(function() {
          $(this).children('.tab-pane').eq(on).addClass('in active').siblings().removeClass('in active');
        });
        formTip();
      });
      $(document).on('click', '.delete_link', function(){
        $(this).parents('.input-prepend').remove();
      });
      $(document).on('click', '.delete_file', function(){
        $(this).parents('.input-prepend').remove();
      });
      $(document).on('click', '.remove_existing_record', function(){
        if(confirm("<%= I18n.t(:sure?)%>")){
          $(this).children('.should_destroy').attr('value', 1);
          $(this).parents('.start-line').hide();
        }
      });

      $('#remind-check').prop('checked') ? '':$('.content-box').addClass('hide')
      $('#remind-check').on('change', function() {
          $(this).prop('checked') ? $('.content-box').removeClass('hide'):$('.content-box').addClass('hide')
      })

      $('#button_for_preview').click(function(){
        var method = $('.main-forms input[name="_method"]').val();
        $('.main-forms input[name="_method"]').val("post");

        for ( instance in CKEDITOR.instances )
          CKEDITOR.instances[instance].updateElement();

        var formData = new FormData( $('.main-forms')[0] );
        formData.append("preview_type", ( (method==undefined) ? "new" : "edit" ));
        formData.append("news_bulletin_id", '<%= @news_bulletin.id.to_s %>');

        $.ajax({
          type: "post",
          url: '<%= admin_news_preview_path %>',
          data : formData,
          processData: false,
          contentType: false
        }).done(function(data){
          $('.modal-body iframe').attr('src',data);
          $('#show_preview .modal').modal();
          $('#show_preview .modal').height(function() {
            return $(window).height() * 0.7;
          });

          var slug = data.split('/')[(data.split('/').length-1)];
          // $('#preview-iframe').on('load', function(){
          //   $.get('/admin/news/destroy_preview/'+slug,function(data){
          //   });
          // });
        });
        $('.main-forms input[name="_method"]').val(method);
        return false;
      });

      $("select#news_bulletin_unit_id").on("change",function(){
        var html = "";
        if($(this).val() != ""){
          $.ajax({
            "url" : "/admin/news_admins/get_departments",
            "data" : {"unit" : $(this).val()},
            "dataType" : "json",
            "type" : "get"
          }).done(function(data){
            $.each(data.departments,function(i,department){
              html+= "<option value=" + department.id + ">" + department.name + "</option>";
            })
            $("select#news_bulletin_department_id").html(html).removeAttr("disabled");
          })
        }else{
          $("select#news_bulletin_department_id").html("").prop("disabled",true);
        }
      })

      $('.form-actions input[type="submit"]').click(function(){
        var validate = true;
        if(location.pathname=='/admin/news/new'){
          if(validate_files) validate = validate_fileupload();
          if(validate_image) validate = validate_image();
          if(!validate) return false;
        }
      });

      if(validate_files) $(".start-line input[type='file']").on("change", validate_fileupload);
      if(validate_image) $("#news_bulletin_image").on("change", validate_image);
    });

    var validate_fileupload = function(){
      var validate = true;
      $.each($(".start-line input[type='file']"),function(){
        var fileupload_alert = $(this).parent().parent().parent().parent().find(".fileupload-alert");
        if(fileupload_size_limit < $(this).get(0).files[0].size){
          validate = false;
          file_size = $(this).get(0).files[0].size / (1000*1000);
          fileupload_alert.text("<%= t("news.file_size")%>: "+file_size.toFixed(1)+"MB <%= t("news.file_size_exceed_limitation") %>, <%= t("news.file_size_limit") %>: "+fileupload_size_limit_mb+"MB");
          fileupload_alert.show();
        }else{
          fileupload_alert.hide();
        }
      });
      return validate;
    }

    var validate_image = function(){
      var validate = true,
          file_size = 0;
      if($("#user_default_image").prop("checked")){
        return validate;
      }else{
        fileupload_alert = $("#news_bulletin_image").parent().parent().parent().find('.fileupload-alert');
        if($("#news_bulletin_image").get(0).files.length){
          if(fileupload_size_limit < $("#news_bulletin_image").get(0).files[0].size){
            file_size = $("#news_bulletin_image").get(0).files[0].size / (1000*1000);
            validate = false;
          }
        }else{
          validate = false;
        }
      }
      if(!validate){
        alert("您還沒有上傳封面圖片");
        fileupload_alert.text("<%= t("news.file_size")%>: "+file_size.toFixed(1)+"MB , <%= t("news.file_size_limit") %>: "+fileupload_size_limit_mb+"MB");
        fileupload_alert.show();
        $("#basic").removeClass("active");
        $("#status").removeClass("active");
        $("#tag").removeClass("active");
        $(".tab-pane").addClass("fade");
        $(".module-nav li").removeClass("active");
        $("#news_bulletin_image").parent().parent().parent().parent().parent().removeClass("fade");
        $("#news_bulletin_image").parent().parent().parent().parent().parent().addClass("active");
        $("a[href='#imageupload']").parent().addClass("active");
        $('html, body').animate({
            scrollTop: ($("#news_bulletin_image").offset().top-20) + 'px'
        }, 'fast');
      }else{
        fileupload_alert.hide();
      }
      return validate;
    }

  </script>
<% end %>