优化用户申请加入项目界面刷新

app/controllers/applied_project_controller.rb

@@ -2,15 +2,28 @@ class AppliedProjectController < ApplicationController
 
   #申请加入项目
   def applied_join_project
+    @user_id = params[:user_id]
+    @project = Project.find(params[:project_id])
     AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
-    redirect_to_referer_or {render :text => ( 'applied success.'), :layout => true}
+    #redirect_to project_path(params[:project_id])
+    #redirect_to_referer_or {render :text => ( 'applied success.'), :layout => true}
+    respond_to do |format|
+      format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
+      format.js { render :partial => 'set_applied'}
+    end
   end
 
   #取消申请
   def unapplied_join_project
+    @project = Project.find(params[:project_id])
     @applied = AppliedProject.find(params[:id])
     @applied.destroy
-    redirect_to_referer_or {render :text => ( 'unsubscribe success.'), :layout => true}
+    #redirect_to project_path(params[:project_id])
+    #redirect_to_referer_or {render :text => ( 'unsubscribe success.'), :layout => true}
+    respond_to do |format|
+      format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
+      format.js { render :partial => 'set_applied' }
+    end
   end
 
 end

app/helpers/applied_project_helper.rb

@@ -1,14 +1,21 @@
 module AppliedProjectHelper
 
+  def applied_css(project)
+    id = project.id
+    "#{project.class.to_s.underscore}-#{id}-applied"
+  end
+
   def applied_link(project, user, options=[])
     return '' unless user && user.logged?
     applied = project.applied_projects.find_by_user_id(user.id)
     text = applied ? l(:label_unapply_project) : l(:label_apply_project)
 
+    @applied_flag = project.instance_of?(Project)
+    css =  @applied_flag ? ([applied_css(project), applied ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
+        ([applied_css(project), applied ? 'icon icon-applied ' : 'icon icon-applied-off '].join(' ') << options[0].to_s)
     if applied
       appliedid =  applied.id
     end
-
     url = appliedproject_path(
         :id=>appliedid,
         :user_id => user.id,
@@ -16,6 +23,6 @@ module AppliedProjectHelper
     )
     method = applied ? 'delete' : 'post'
 
-    link_to text, url, :remote => true, :method => method
+    link_to text, url, :remote => true, :method => method ,:class=>css
   end
 end

app/helpers/watchers_helper.rb

@@ -188,15 +188,22 @@ module WatchersHelper
     end.join.html_safe
   end
 
+  def applied_css(project)
+    id = project.id
+    "#{project.class.to_s.underscore}-#{id}-applied"
+  end
+
   def applied_link(project, user, options=[])
     return '' unless user && user.logged?
     applied = project.applied_projects.find_by_user_id(user.id)
     text = applied ? l(:label_unapply_project) : l(:label_apply_project)
 
+    @applied_flag = project.instance_of?(Project)
+    css =  @applied_flag ? ([applied_css(project), applied ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
+        ([applied_css(project), applied ? 'icon icon-applied ' : 'icon icon-applied-off '].join(' ') << options[0].to_s)
     if applied
       appliedid =  applied.id
     end
-
           url = appliedproject_path(
         :id=>appliedid,
         :user_id => user.id,
@@ -204,6 +211,7 @@ module WatchersHelper
     )
     method = applied ? 'delete' : 'post'
 
-    link_to text, url, :remote => true, :method => method
+    link_to text, url, :remote => true, :method => method ,:class=>css
   end
+
  end

app/views/applied_project/_set_applied.js.erb

@@ -0,0 +1,4 @@
+<% selector = ".#{applied_css(@project)}" %>
+$("<%= selector %>").each(function(){$(this).replaceWith("<%= escape_javascript applied_link(@project, User.current) %>")});
+
+

app/views/layouts/base_projects.html.erb

@@ -105,9 +105,9 @@
 												</div>
                                                 <!--添加项目申请-->
                                               <div style="margin-left: 20px;">
-
+                                                   <% if ( !(User.current.member_of? @project) && User.current.login?) %>
-                                                <% if ( !(User.current.member_of? @project) && User.current.login?) %>   <!--added by linchun-->
+                                                    <span class="icon-fav icon"></span>
-                                                    <span class="icon-fav icon"></span><%= applied_link(@project, User.current) %>
+                                                    <%= applied_link(@project, User.current) %>
                                                 <% end %>
                                               </div>