[IMP] website snippet: add alert for drop error

bzr revid: chm@openerp.com-20130919135001-cfrzyq69ewftu16s

addons/website/static/src/css/editor.css

@@ -140,6 +140,15 @@ table.editorbar-panel td.selected {
 }
 
 /* ---- SNIPPET EDITOR ---- */
+#oe_droperror .modal-header {
+  border-bottom: 0;
+}
+#oe_droperror .modal-footer {
+  border-top: 0;
+  margin: 0;
+  padding: 0;
+}
+
 #oe_snippets {
   position: fixed;
   left: 0px;

addons/website/static/src/css/editor.sass

@@ -129,6 +129,13 @@ table.editorbar-panel
 
 /* ---- SNIPPET EDITOR ---- */
 
+#oe_droperror
+    .modal-header
+        border-bottom: 0
+    .modal-footer
+        border-top: 0
+        margin: 0
+        padding: 0
 
 #oe_snippets
     position: fixed

addons/website/static/src/js/website.snippets.js

@@ -118,6 +118,9 @@
 
             this.scrollspy();
             this.$el.addClass("hidden");
+
+            this.$modal = $(openerp.qweb.render('website.snippets_modal'));
+            this.$modal.appendTo("body");
         },
         fetch_snippet_templates: function () {
             var self = this;
@@ -291,6 +294,7 @@
             var self = this;
             var $toInsert = false;
             var $tumb = $snippet.find(".oe_snippet_thumbnail");
+            var dropped = false;
 
             $snippet.draggable({
                 helper: 'clone',
@@ -304,7 +308,7 @@
                 },
                 start: function(){
                     self.hide();
-
+                    dropped = false;
                     var snipped_id = $snippet.data('snippet-id');
                     var action = $snippet.find('.oe_snippet_body').size() ? 'insert' : 'mutate';
                     if( action === 'insert'){
@@ -361,6 +365,8 @@
                                 return false;
                             }
 
+                            dropped = true;
+
                             var $target = false;
                             if(action === 'insert'){
                                 $target = $toInsert;
@@ -390,6 +396,10 @@
                 },
                 stop: function(){
                     $('.oe_drop_zone').droppable('destroy').remove();
+                    if (!dropped) {
+                        self.$modal.modal('toggle');
+                        setTimeout(function () {self.$modal.fadeOut();}, 3000);
+                    }
                 },
             });
         },

addons/website/static/src/xml/website.snippets.xml

@@ -15,6 +15,22 @@
             </div>
         </li>
     </t>
+    <t t-name="website.snippets_modal">
+        <div class="modal" id="oe_droperror" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
+            <div class="modal-dialog">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&amp;times;</button>
+                        <h4 class="modal-title">
+                            Nothing Added<br/>
+                            <small>Please drop in a valid zone</small>
+                        </h4>
+                    </div>
+                    <div class="modal-footer"></div>
+                </div>
+            </div>
+        </div>
+    </t>
 
     <t t-name="website.snippets">
         <div id='oe_snippets'>