added validations to page create. and also now can make pages without assigning modules .. frontend will be blank

app/assets/javascripts/validator.js

@@ -0,0 +1,81 @@
+var _number_of_validators_ = 0;
+var FormValidator = function(form){
+	var fv = this,
+		elements_data = {};
+	this.form = form;
+	this.elements = null;
+	this.validate_functions = {
+		required : function(value,element){
+			switch(element.attr("type")){
+				case "text":
+					return (value == "" ? false : true);
+				break;
+				case "checkbox":
+					return element.is(":checked");
+				break;
+			}
+		},
+		nospace : function(value){
+			return (/\s/.test(value) ? false : true);
+		},
+		email : function(){
+
+		}
+	}
+
+	this.initialize = function(){
+		fv.elements = form.find("*[data-fv-validation]");
+		_number_of_validators_++;
+		_putFieldsValidatorAndMessage();
+		_attachSubmitHandler();
+	}
+
+	var _attachSubmitHandler = function(){
+		fv.form.on("submit",function(){
+			$.each(elements_data,function(key,element){
+				var validators = element.validators,
+					messages = element.messages,
+					el = fv.form.find("#" + key);
+				for(i = 0; i < validators.length; i++){
+					var error_span = (fv.form.find("div[for=" + key + "]").length ? $("div[for=" + key + "]") : $("<div class='validator_error_class text-error' for='" + key + "'></div>"));
+					if(typeof fv.validate_functions[validators[i]] == "function"){
+						if(!fv.validate_functions[validators[i]](el.val(),el)){
+							error_span.text(messages[i]);
+							el.after(error_span);
+							break;
+						}else{
+							error_span.remove();
+						}
+					}else{
+						console.info("Not validating for " + validators[i] + ". Skipping.");
+					}
+				}
+			})
+			if(fv.form.find("div.validator_error_class").length){
+				return false;
+			}else{
+				return true;
+			}
+		})
+	}
+
+	var _putFieldsValidatorAndMessage = function(){
+		$.each(fv.elements,function(i,element){
+			var element = $(element),
+				validators = element.data("fv-validation").split(";").slice(0,-1),
+				messages = element.data("fv-messages").split(";").slice(0,-1),
+				id = (typeof element.attr("id") == "undefined" ? _generateElementId(element) : element.attr("id"));
+			elements_data[id] = {};
+			elements_data[id].validators = validators;
+			elements_data[id].messages = messages;
+		})
+	}
+
+	var _generateElementId = function(element){
+		var name = element.attr("name").replace(/\[+(.*?)\]+/g,"$1") + "_" + _number_of_validators_;
+		element.attr("id",name);
+		return name;
+	}
+
+	this.initialize();
+}

app/controllers/pages_controller.rb

@@ -278,14 +278,14 @@ class PagesController < ApplicationController
 
       if original_view != "home"
         viewarea = doc.css("*[data-content='true']")[0]
-        viewarea.inner_html = render_to_string(original_view)
+        viewarea.inner_html = render_to_string(original_view) rescue "<div></div>"
       end
       link = doc.css("link")[0]
       link.attributes["href"].value = current_site.favicon.url.nil? ? "/assets/favicon.ico" : current_site.favicon.url
       final_html_for_render = doc.to_html
 
     else
-        final_html_for_render = render_to_string(original_view)
+        final_html_for_render = render_to_string(original_view) rescue "<div></div>"
     end
     final_html_for_render = change_to_language(final_html_for_render)
     final_html_for_render

app/views/admin/items/index.html.erb

@@ -1,3 +1,4 @@
+<%= javascript_include_tag 'validator' %>
 <% node = Page.root %>
 <% unless node.nil? %>
 <ol id='<%= node.id %>' class="sortable item-groups root">

app/views/pages/_form.html.erb

@@ -1,23 +1,25 @@
 <% if params[:action] == "edit" %>
 	<h4><%= @page.name %></h4>
 <% end %>
+<div class="control-group">
+	<% if params[:action] == "new" %>
+		<label class="control-label">Page id :</label>
+		<div class="controls">
+			<%= f.text_field :page_id, data: {"fv-validation" => "required;nospace;pageid_validation;", "fv-messages" => "Cannot be empty.;Cannot have blank spaces.;Page id already taken.;"} %>
+		</div>
+	<% end %>
+</div>
 <div class="control-group">
 	<% I18n.available_locales.each do |locale| %>
 	<label class="control-label">Page name (<%= t(locale.to_s) %>) :</label>
  	<div class="controls">
 		<%= f.fields_for :name_translations do |n| %>
-			<%= n.text_field locale, :value=>@page.name_translations[locale] rescue nil %>
+			<%= n.text_field locale, data: {"fv-validation" => "required;", "fv-messages" => "Cannot be empty.;"}, :value=>@page.name_translations[locale] rescue nil %>
 		<% end %>
 	</div>
 	<% end %>
 </div>
 <div class="control-group">
-	<% if params[:action] == "new" %>
-		<label class="control-label">Page id :</label>
-		<div class="controls">
-			<%= f.text_field :page_id %>
-		</div>
-	<% end %>
 	<label class="control-label"><%= t(:module) %> :</label>
 	<div class="controls">
 		<%= f.select(:module, @modules.map{|m| [t(OrbitApp::Module::Registration.find_by_key(m.key).module_label),m.key]},{:include_blank => true},:class=>"module_select") %>

app/views/pages/_form_link.html.erb

@@ -1,12 +1,26 @@
 <% if params[:action] == "edit" %>
 	<h4><%= @page.name %></h4>
 <% end %>
+
+<div class="control-group">
+	<% if params[:action] == "new" %>
+		<label class="control-label">Page id :</label>
+		<div class="controls">
+			<%= f.text_field :page_id, data: {"fv-validation" => "required;nospace;pageid_validation;", "fv-messages" => "Cannot be empty.;Cannot have blank spaces;Page id already taken.;"} %>
+		</div>
+	<% end %>
+	<div class="controls">
+		<%= f.hidden_field :parent_page, value: (params[:parent_page] || @page.parent_page_id) %>
+		<%= f.hidden_field :page_type, value: "link" %>
+	</div>
+</div>
+
 <div class="control-group">
 	<% I18n.available_locales.each do |locale| %>
 	<label class="control-label">Page name (<%= t(locale.to_s) %>) :</label>
  	<div class="controls">
 		<%= f.fields_for :name_translations do |n| %>
-			<%= n.text_field locale, :value=>@page.name_translations[locale] rescue nil %>
+			<%= n.text_field locale,  data: {"fv-validation" => "required;", "fv-messages" => "Cannot be empty.;"}, :value=>@page.name_translations[locale] rescue nil %>
 		<% end %>
 	</div>
 	<% end %>
@@ -33,18 +47,6 @@
 	</div>
 	<% end %>
 </div>
-<div class="control-group">
-	<% if params[:action] == "new" %>
-		<label class="control-label">Page id :</label>
-		<div class="controls">
-			<%= f.text_field :page_id %>
-		</div>
-	<% end %>
-	<div class="controls">
-		<%= f.hidden_field :parent_page, value: (params[:parent_page] || @page.parent_page_id) %>
-		<%= f.hidden_field :page_type, value: "link" %>
-	</div>
-</div>
 <div class="control-group" id="enable-menu">
 	<div class="controls">
 		<label class="control-label">Activation :</label>

app/views/pages/edit.html.erb

@@ -14,3 +14,8 @@
 		</div>
 	</div>
 <% end %>
+<script type="text/javascript">	
+$(document).ready(function(){
+	var fromvalidator = new FormValidator($("form.edit_page"));
+})
+</script>

app/views/pages/new.html.erb

@@ -1,4 +1,4 @@
-<%= form_for @page, url: {action: "create"},:class =>"form-horizontal", remote: true do |f| %>
+<%= form_for @page, url: {action: "create"},:class =>"form-horizontal", :remote => true do |f| %>
 	<% if params[:type] == "page" %>
 		<%= render "form", {:f=> f} %>
 	<% elsif params[:type] == "link" %>
@@ -14,3 +14,12 @@
 		</div>
 	</div>
 <% end %>
+<script type="text/javascript">	
+$(document).ready(function(){
+	var pageids = <%= Page.all.collect{|page| page.page_id}.to_json.html_safe %>
+	var fromvalidator = new FormValidator($("#new_page"));
+	fromvalidator.validate_functions.pageid_validation = function(value){
+		return (pageids.indexOf(value) == -1 ? true : false);
+	}
+})
+</script>