[webui] Add dialog to create change_devel requests.

The link to the dialog is currently only shown if the package already
has a devel project, so that inexperienced users don't devel around w/o
knowing the implications.

src/webui/app/controllers/request_controller.rb

@@ -219,6 +219,28 @@ def add_role_request
     redirect_to :controller => :request, :action => :show, :id => req.value("id")
   end
 
+  def change_devel_request_dialog
+    @project = find_cached(Project, params[:project])
+    @package = find_cached(Package, params[:package], :project => params[:project]) 
+    if @package.has_element?(:devel)
+      @current_devel_package = @package.devel.value('package') || @package.value('name')
+      @current_devel_project = @package.devel.value('project')
+    end
+  end
+
+  def change_devel_request
+    begin
+      req = BsRequest.new(:type => 'change_devel', :project => params[:devel_project], :package => params[:package], :targetproject => params[:project], :targetpackage => params[:package], :description => params[:description])
+      req.save(:create => true)
+      Rails.cache.delete 'requests_new'
+    rescue ActiveXML::Transport::NotFoundError => e
+      message, _, _ = ActiveXML::Transport.extract_error_message e
+      flash[:error] = message
+      redirect_to :controller => 'package', :action => 'show', :project => params[:project], :package => params[:package] and return
+    end
+    redirect_to :controller => 'request', :action => 'show', :id => req.value("id")
+  end
+
 private
 
   def change_request(changestate, params)

src/webui/app/views/package/show.html.erb

@@ -114,6 +114,13 @@
               <%= link_to_remote 'Request deletion', :url => {:controller => :request, :action => :delete_request_dialog, :project => @project, :package => @package} %>
             </li>
           <% end %>
+          <%# TODO: only users w/o rights should see this, maintainers should get a different dialog: %>
+          <% if @package.has_element?(:devel) %>
+            <li>
+              <%= link_to_remote(image_tag('icons/arrow_switch.png', :title => 'Request devel project change'), :url => {:controller => 'request', :action => 'change_devel_request_dialog', :project => @project, :package => @package}) %>
+              <%= link_to_remote('Request devel project change', :url => {:controller => 'request', :action => 'change_devel_request_dialog', :project => @project, :package => @package}) %>
+            </li>
+          <% end %>
         <% end %>
       </ul>
     </div>

src/webui/app/views/request/_change_devel_request_dialog.html.erb

@@ -0,0 +1,46 @@
+<% content_for :content_for_head do %>
+  <%= stylesheet_link_tag 'jquery.autocomplete' %>
+<% end %>
+<%= javascript_include_tag 'jquery.autocomplete.pack' %>
+
+<div id="dialog_wrapper">
+  <div class="dialog" id="disable_mask"></div>
+  <div class="dialog darkgrey_box">
+    <div class="box box-shadow">
+      <div class="box-header aligncenter">
+        <b>Change Devel Project Request</b>
+      </div>
+
+      <% if @current_devel_project && @current_devel_package %>
+        <p>Do you want to request to change the devel project for <%= render :partial => 'shared/project_or_package_link', :locals => {:project => @project.value('name'), :package => @package.value('name')} %> from 
+         <%= render :partial => 'shared/project_or_package_link', :locals => {:project => @current_devel_project} %>?</p>
+      <% else %>
+        <p>Do you want to request to set the devel project for <%= render :partial => 'shared/project_or_package_link', :locals => {:project => @project.value('name'), :package => @package.value('name')} %>?</p>
+      <% end %>
+      <% form_tag(:action => 'change_devel_request', :method => 'post') do %>
+        <%= hidden_field_tag(:project, @project.value('name')) %>
+        <%= hidden_field_tag(:package, @package.value('name')) %>
+        <p>
+          <% if @current_devel_project && @current_devel_package %>
+            <%= label_tag(:devel_project, 'New Devel project (leave free to delete the current one):') %><br/>
+          <% else %>
+            <%= label_tag(:devel_project, 'Devel project:') %><br/>
+          <% end %>
+          <%= text_field_tag(:devel_project, '', :size => 40) %><br/>
+          <%= label_tag(:description, 'Description:') %><br/>
+          <%= text_area_tag(:description, '', :size => '40x3') %>
+        </p>
+        <div class="buttons">
+          <%= submit_tag('Ok') %>
+          <%= link_to_function('Cancel', 'remove_dialog()') %>
+        </div>
+      <% end %>
+    </div>
+  </div>
+</div>
+
+<% javascript_tag do %>
+  $('#devel_project').autocomplete('<%= url_for :controller => :project, :action => :autocomplete_projects %>', {
+    minChars: 2, matchCase: true, max: 50
+  });
+<% end %>

src/webui/app/views/request/change_devel_request_dialog.rjs

@@ -0,0 +1,2 @@
+page.replace 'dialog_wrapper', :partial => 'change_devel_request_dialog'
+