wpviews: whenever a view is updated or inserted, don't refresh ALL of the views.

Props avryl.
Fixes #28788.

Built from https://develop.svn.wordpress.org/trunk@29530


git-svn-id: http://core.svn.wordpress.org/trunk@29306 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/mce-view.js

@@ -46,7 +46,10 @@ window.wp = window.wp || {};
 					'<div class="wpview-loading"><ins></ins></div>' +
 				'</div>';
 		},
-		render: function() {
+		render: function( force ) {
+			if ( force || ! this.rendered() ) {
+				this.unbind();
+
 				this.setContent(
 					'<p class="wpview-selection-before">\u00a0</p>' +
 					'<div class="wpview-body" contenteditable="false">' +
@@ -64,6 +67,9 @@ window.wp = window.wp || {};
 				);
 
 				$( this ).trigger( 'ready' );
+
+				this.rendered( true );
+			}
 		},
 		unbind: function() {},
 		getEditors: function( callback ) {
@@ -190,6 +196,19 @@ window.wp = window.wp || {};
 					'<p>' + message + '</p>' +
 				'</div>'
 			);
+		},
+		rendered: function( value ) {
+			var notRendered;
+
+			this.getNodes( function( editor, node ) {
+				if ( value != null ) {
+					$( node ).data( 'rendered', value === true );
+				} else {
+					notRendered = notRendered || ! $( node ).data( 'rendered' );
+				}
+			} );
+
+			return ! notRendered;
 		}
 	} );
 
@@ -390,7 +409,7 @@ window.wp = window.wp || {};
 				instances[ encodedText ] = instance;
 			}
 
-			wp.mce.views.render();
+			instance.render();
 		},
 
 		getInstance: function( encodedText ) {
@@ -406,9 +425,9 @@ window.wp = window.wp || {};
 		 * To generate wrapper elements, pass your content through
 		 * `wp.mce.view.toViews( content )`.
 		 */
-		render: function() {
+		render: function( force ) {
 			_.each( instances, function( instance ) {
-				instance.render();
+				instance.render( force );
 			} );
 		},
 
@@ -438,8 +457,12 @@ window.wp = window.wp || {};
 			},
 
 			fetch: function() {
+				var self = this;
+
 				this.attachments = wp.media.gallery.attachments( this.shortcode, this.postID );
-				this.dfd = this.attachments.more().done( _.bind( this.render, this ) );
+				this.dfd = this.attachments.more().done( function() {
+					self.render( true );
+				} );
 			},
 
 			getHtml: function() {

wp-includes/js/tinymce/plugins/wpview/plugin.js

@@ -205,10 +205,6 @@ tinymce.PluginManager.add( 'wpview', function( editor ) {
 			removeView( selected );
 		}
 
-		if ( ! event.initial ) {
-			wp.mce.views.unbind( editor );
-		}
-
 		node = editor.selection.getNode();
 
 		// When a url is pasted, only try to embed it when pasted in an empty paragrapgh.