Diff-howto on belongs_to associations with Ext Scaffold Generator

gistfile1.diff

diff --git a/app/controllers/non_namespaced_post_resources_controller.rb b/app/controllers/non_namespaced_post_resources_controller.rb
index 1c0d143..0dc0b74 100644
--- a/app/controllers/non_namespaced_post_resources_controller.rb
+++ b/app/controllers/non_namespaced_post_resources_controller.rb
@@ -12,7 +12,7 @@ class NonNamespacedPostResourcesController < ApplicationController
   def index
     respond_to do |format|
       format.html     # index.html.erb (no data required)
-      format.ext_json { render :json => find_non_namespaced_post_resources.to_ext_json(:class => NonNamespacedPostResource, :count => NonNamespacedPostResource.count(options_from_search(NonNamespacedPostResource))) }
+      format.ext_json { render :json => find_non_namespaced_post_resources.to_ext_json(:methods => :author_name, :class => NonNamespacedPostResource, :count => NonNamespacedPostResource.count(options_from_search(NonNamespacedPostResource))) }
     end
   end
 
diff --git a/app/models/author.rb b/app/models/author.rb
new file mode 100644
index 0000000..e47dd2d
--- /dev/null
+++ b/app/models/author.rb
@@ -0,0 +1,2 @@
+class Author < ActiveRecord::Base
+end
diff --git a/app/models/non_namespaced_post_resource.rb b/app/models/non_namespaced_post_resource.rb
index 6f4c652..aea6767 100644
--- a/app/models/non_namespaced_post_resource.rb
+++ b/app/models/non_namespaced_post_resource.rb
@@ -1,3 +1,9 @@
 class NonNamespacedPostResource < ActiveRecord::Base
   set_table_name "to_be_deleted_post_resources"
+  
+  belongs_to :author
+  
+  def author_name
+    author && author.name
+  end
 end
diff --git a/app/views/non_namespaced_post_resources/index.html.erb b/app/views/non_namespaced_post_resources/index.html.erb
index e57e42a..3255d19 100644
--- a/app/views/non_namespaced_post_resources/index.html.erb
+++ b/app/views/non_namespaced_post_resources/index.html.erb
@@ -9,6 +9,7 @@
       var vp = new Ext.Viewport({
         layout: 'fit',
         items: new ExtScaffold.NonNamespacedPostResource({
+          authorNamesStore: <%= Author.all.collect {|a| [a.id, a.name] }.to_json %>,
           url: '<%= non_namespaced_post_resources_path %>'
           <%= ",baseParams: { #{request_forgery_protection_token}: '#{form_authenticity_token}' }" if protect_against_forgery? %>
         })
diff --git a/db/migrate/20081108072928_create_authors.rb b/db/migrate/20081108072928_create_authors.rb
new file mode 100644
index 0000000..9585228
--- /dev/null
+++ b/db/migrate/20081108072928_create_authors.rb
@@ -0,0 +1,13 @@
+class CreateAuthors < ActiveRecord::Migration
+  def self.up
+    create_table :authors do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+
+  def self.down
+    drop_table :authors
+  end
+end
diff --git a/db/migrate/20081108073107_add_author_to_to_be_deleted_post_resource.rb b/db/migrate/20081108073107_add_author_to_to_be_deleted_post_resource.rb
new file mode 100644
index 0000000..eace078
--- /dev/null
+++ b/db/migrate/20081108073107_add_author_to_to_be_deleted_post_resource.rb
@@ -0,0 +1,9 @@
+class AddAuthorToToBeDeletedPostResource < ActiveRecord::Migration
+  def self.up
+    add_column :to_be_deleted_post_resources, :author_id, :integer
+  end
+
+  def self.down
+    remove_column :to_be_deleted_post_resources, :author_id
+  end
+end
diff --git a/public/javascripts/ext_scaffold.js b/public/javascripts/ext_scaffold.js
index 742fd8c..bb0011d 100644
--- a/public/javascripts/ext_scaffold.js
+++ b/public/javascripts/ext_scaffold.js
@@ -53,7 +53,13 @@ ExtScaffold.FormPanel = Ext.extend(Ext.FormPanel, {
       item.setDisabled(fieldsDisabled);
     });
   },
-  
+
+  clearAllStoreFilters: function() {
+    this.getForm().items.each(function(item) {
+      if (item.store && item.store.clearFilter) item.store.clearFilter(true);
+    });
+  },
+
   setFormMode: function(mode) {
     if (mode === 'new') this.getForm().reset(); // empty all fields
 
diff --git a/public/javascripts/ext_scaffold/non_namespaced_post_resource.js b/public/javascripts/ext_scaffold/non_namespaced_post_resource.js
index 3a6134e..15c1152 100644
--- a/public/javascripts/ext_scaffold/non_namespaced_post_resource.js
+++ b/public/javascripts/ext_scaffold/non_namespaced_post_resource.js
@@ -143,6 +143,8 @@ ExtScaffold.NonNamespacedPostResource = Ext.extend(Ext.Panel, {
                 ,{ name: 'non_namespaced_post_resource[visible_from]', mapping: 'non_namespaced_post_resource.visible_from', type: 'date', dateFormat: 'c' }
                 ,{ name: 'non_namespaced_post_resource[expires]', mapping: 'non_namespaced_post_resource.expires', type: 'date', dateFormat: 'Y-m-d' }
                 ,{ name: 'non_namespaced_post_resource[rating]', mapping: 'non_namespaced_post_resource.rating', type: 'float' }
+                ,{ name: 'non_namespaced_post_resource[author_id]', mapping: 'non_namespaced_post_resource.author_id', type: 'int' }
+                ,{ name: 'virtual_attributes[author_name]', mapping: 'non_namespaced_post_resource.author_name' }
               ]),
         remoteSort: true, // turn on server-side sorting
         sortInfo: {field: 'id', direction: 'ASC'}
@@ -156,6 +158,7 @@ ExtScaffold.NonNamespacedPostResource = Ext.extend(Ext.Panel, {
       ,{ header: scaffoldPanel.labels['non_namespaced_post_resource[visible_from]'], dataIndex: 'non_namespaced_post_resource[visible_from]' }
       ,{ header: scaffoldPanel.labels['non_namespaced_post_resource[expires]'], dataIndex: 'non_namespaced_post_resource[expires]' }
       ,{ header: scaffoldPanel.labels['non_namespaced_post_resource[rating]'], dataIndex: 'non_namespaced_post_resource[rating]' }
+      ,{ header: 'Author', dataIndex: 'virtual_attributes[author_name]' }
     ]);
 
     cm.defaultSortable = true; // all fields are sortable by default
@@ -216,8 +219,11 @@ ExtScaffold.NonNamespacedPostResource = Ext.extend(Ext.Panel, {
           listeners: {
             // populate form fields when a row is selected
             'rowselect': function(sm, row, rec) {
+              var fp = scaffoldPanel.getFormPanel();
+
               scaffoldPanel.selectedRecordId = rec.data.id;
-              scaffoldPanel.getFormPanel().getForm().loadRecord(rec);
+              fp.clearAllStoreFilters();
+              fp.getForm().loadRecord(rec);
             }
           }
         }),
@@ -311,7 +317,8 @@ ExtScaffold.NonNamespacedPostResource = Ext.extend(Ext.Panel, {
           { fieldLabel: scaffoldPanel.labels['non_namespaced_post_resource[published]'], name: 'non_namespaced_post_resource[published]', xtype: 'checkbox', inputValue: '1', width: 20 }, { xtype: 'hidden', name: 'non_namespaced_post_resource[published]', value: '0' },
           { fieldLabel: scaffoldPanel.labels['non_namespaced_post_resource[visible_from]'], name: 'non_namespaced_post_resource[visible_from]', xtype: 'xdatetime' },
           { fieldLabel: scaffoldPanel.labels['non_namespaced_post_resource[expires]'], name: 'non_namespaced_post_resource[expires]', xtype: 'datefield' },
-          { fieldLabel: scaffoldPanel.labels['non_namespaced_post_resource[rating]'], name: 'non_namespaced_post_resource[rating]', xtype: 'numberfield' }
+          { fieldLabel: scaffoldPanel.labels['non_namespaced_post_resource[rating]'], name: 'non_namespaced_post_resource[rating]', xtype: 'numberfield' },
+          { fieldLabel: 'Author', name:'virtual_attributes[author_name]', hiddenName: 'non_namespaced_post_resource[author_id]', xtype: 'combo', store: scaffoldPanel.authorNamesStore, triggerAction: 'all', forceSelection: true }
         ],
 
         onOk: function() {
@@ -364,6 +371,7 @@ ExtScaffold.NonNamespacedPostResource = Ext.extend(Ext.Panel, {
           
           fp.setFormMode('show');
           if (sm.hasSelection()) {
+            fp.clearAllStoreFilters();
             fp.getForm().loadRecord(sm.getSelected()); // reload previous record version
           } else {
             fp.getForm().reset();