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<title>[40941] trunk: Widgets: Add accessibility mode support for TinyMCE-enhanced Text and Media widgets (Video, Audio, Images).</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/40941">40941</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/40941","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>westonruter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-06-25 18:47:13 +0000 (Sun, 25 Jun 2017)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Widgets: Add accessibility mode support for TinyMCE-enhanced Text and Media widgets (Video, Audio, Images).

Amends <a href="https://core.trac.wordpress.org/changeset/40640">[40640]</a>, <a href="https://core.trac.wordpress.org/changeset/40631">[40631]</a>.
Props westonruter, afercia.
See <a href="https://core.trac.wordpress.org/ticket/35243">#35243</a>, <a href="https://core.trac.wordpress.org/ticket/32417">#32417</a>.
Fixes <a href="https://core.trac.wordpress.org/ticket/40986">#40986</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminjswidgetsmediawidgetsjs">trunk/src/wp-admin/js/widgets/media-widgets.js</a></li>
<li><a href="#trunksrcwpadminjswidgetstextwidgetsjs">trunk/src/wp-admin/js/widgets/text-widgets.js</a></li>
<li><a href="#trunktestsqunitwpadminjswidgetstestmediaimagewidgetjs">trunk/tests/qunit/wp-admin/js/widgets/test-media-image-widget.js</a></li>
<li><a href="#trunktestsqunitwpadminjswidgetstestmediavideowidgetjs">trunk/tests/qunit/wp-admin/js/widgets/test-media-video-widget.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminjswidgetsmediawidgetsjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/js/widgets/media-widgets.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/widgets/media-widgets.js    2017-06-25 18:45:33 UTC (rev 40940)
+++ trunk/src/wp-admin/js/widgets/media-widgets.js      2017-06-25 18:47:13 UTC (rev 40941)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -435,7 +435,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param {Object}         options - Options.
</span><span class="cx" style="display: block; padding: 0 10px">                 * @param {Backbone.Model} options.model - Model.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 * @param {jQuery}         options.el - Control container element.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          * @param {jQuery}         options.el - Control field container element.
+                * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @returns {void}
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="cx" style="display: block; padding: 0 10px">                initialize: function initialize( options ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -443,13 +444,20 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        Backbone.View.prototype.initialize.call( control, options );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        if ( ! control.el ) {
-                               throw new Error( 'Missing options.el' );
-                       }
</del><span class="cx" style="display: block; padding: 0 10px">                         if ( ! ( control.model instanceof component.MediaWidgetModel ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                throw new Error( 'Missing options.model' );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        if ( ! options.el ) {
+                               throw new Error( 'Missing options.el' );
+                       }
+                       if ( ! options.syncContainer ) {
+                               throw new Error( 'Missing options.syncContainer' );
+                       }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        control.syncContainer = options.syncContainer;
+
+                       control.$el.addClass( 'media-widget-control' );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         // Allow methods to be passed in with control context preserved.
</span><span class="cx" style="display: block; padding: 0 10px">                        _.bindAll( control, 'syncModelToInputs', 'render', 'updateSelectedAttachment', 'renderPreview' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -553,7 +561,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="cx" style="display: block; padding: 0 10px">                syncModelToInputs: function syncModelToInputs() {
</span><span class="cx" style="display: block; padding: 0 10px">                        var control = this;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        control.$el.next( '.widget-content' ).find( '.media-widget-instance-property' ).each( function() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 control.syncContainer.find( '.media-widget-instance-property' ).each( function() {
</ins><span class="cx" style="display: block; padding: 0 10px">                                 var input = $( this ), value;
</span><span class="cx" style="display: block; padding: 0 10px">                                value = control.model.get( input.data( 'property' ) );
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( _.isUndefined( value ) ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1009,9 +1017,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @returns {void}
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                var widgetContent, controlContainer, widgetForm, idBase, ControlConstructor, ModelConstructor, modelAttributes, widgetControl, widgetModel, widgetId, widgetInside, animatedCheckDelay = 50, renderWhenAnimationDone;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         var fieldContainer, syncContainer, widgetForm, idBase, ControlConstructor, ModelConstructor, modelAttributes, widgetControl, widgetModel, widgetId, widgetInside, animatedCheckDelay = 50, renderWhenAnimationDone;
</ins><span class="cx" style="display: block; padding: 0 10px">                 widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                widgetContent = widgetForm.find( '> .widget-content' );
</del><span class="cx" style="display: block; padding: 0 10px">                 idBase = widgetForm.find( '> .id_base' ).val();
</span><span class="cx" style="display: block; padding: 0 10px">                widgetId = widgetForm.find( '> .widget-id' ).val();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1038,8 +1045,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 * components", the JS template is rendered outside of the normal form
</span><span class="cx" style="display: block; padding: 0 10px">                 * container.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                controlContainer = $( '<div class="media-widget-control"></div>' );
-               widgetContent.before( controlContainer );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         fieldContainer = $( '<div></div>' );
+               syncContainer = widgetContainer.find( '.widget-content:first' );
+               syncContainer.before( fieldContainer );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                /*
</span><span class="cx" style="display: block; padding: 0 10px">                 * Sync the widget instance model attributes onto the hidden inputs that widgets currently use to store the state.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1047,7 +1055,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                 * from the start, without having to sync with hidden fields. See <https://core.trac.wordpress.org/ticket/33507>.
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="cx" style="display: block; padding: 0 10px">                modelAttributes = {};
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                widgetContent.find( '.media-widget-instance-property' ).each( function() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         syncContainer.find( '.media-widget-instance-property' ).each( function() {
</ins><span class="cx" style="display: block; padding: 0 10px">                         var input = $( this );
</span><span class="cx" style="display: block; padding: 0 10px">                        modelAttributes[ input.data( 'property' ) ] = input.val();
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1056,7 +1064,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                widgetModel = new ModelConstructor( modelAttributes );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                widgetControl = new ControlConstructor({
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        el: controlContainer,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 el: fieldContainer,
+                       syncContainer: syncContainer,
</ins><span class="cx" style="display: block; padding: 0 10px">                         model: widgetModel
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1085,6 +1094,51 @@
</span><span class="cx" style="display: block; padding: 0 10px">        };
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * Setup widget in accessibility mode.
+        *
+        * @returns {void}
+        */
+       component.setupAccessibleMode = function setupAccessibleMode() {
+               var widgetForm, widgetId, idBase, widgetControl, ControlConstructor, ModelConstructor, modelAttributes, fieldContainer, syncContainer;
+               widgetForm = $( '.editwidget > form' );
+               if ( 0 === widgetForm.length ) {
+                       return;
+               }
+
+               idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+
+               ControlConstructor = component.controlConstructors[ idBase ];
+               if ( ! ControlConstructor ) {
+                       return;
+               }
+
+               widgetId = widgetForm.find( '> .widget-control-actions > .widget-id' ).val();
+
+               ModelConstructor = component.modelConstructors[ idBase ] || component.MediaWidgetModel;
+               fieldContainer = $( '<div></div>' );
+               syncContainer = widgetForm.find( '> .widget-inside' );
+               syncContainer.before( fieldContainer );
+
+               modelAttributes = {};
+               syncContainer.find( '.media-widget-instance-property' ).each( function() {
+                       var input = $( this );
+                       modelAttributes[ input.data( 'property' ) ] = input.val();
+               });
+               modelAttributes.widget_id = widgetId;
+
+               widgetControl = new ControlConstructor({
+                       el: fieldContainer,
+                       syncContainer: syncContainer,
+                       model: new ModelConstructor( modelAttributes )
+               });
+
+               component.modelCollection.add( [ widgetControl.model ] );
+               component.widgetControls[ widgetControl.model.get( 'widget_id' ) ] = widgetControl;
+
+               widgetControl.render();
+       };
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Sync widget instance data sanitized from server back onto widget model.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * This gets called via the 'widget-updated' event when saving a widget from
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1152,6 +1206,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                var widgetContainer = $( this );
</span><span class="cx" style="display: block; padding: 0 10px">                                component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
</span><span class="cx" style="display: block; padding: 0 10px">                        });
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+                       // Accessibility mode.
+                       $( window ).on( 'load', function() {
+                               component.setupAccessibleMode();
+                       });
</ins><span class="cx" style="display: block; padding: 0 10px">                 });
</span><span class="cx" style="display: block; padding: 0 10px">        };
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="trunksrcwpadminjswidgetstextwidgetsjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/js/widgets/text-widgets.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/widgets/text-widgets.js     2017-06-25 18:45:33 UTC (rev 40940)
+++ trunk/src/wp-admin/js/widgets/text-widgets.js       2017-06-25 18:47:13 UTC (rev 40941)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -24,9 +24,9 @@
</span><span class="cx" style="display: block; padding: 0 10px">                /**
</span><span class="cx" style="display: block; padding: 0 10px">                 * Initialize.
</span><span class="cx" style="display: block; padding: 0 10px">                 *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                 * @param {Object}         options - Options.
-                * @param {Backbone.Model} options.model - Model.
-                * @param {jQuery}         options.el - Control container element.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+          * @param {Object} options - Options.
+                * @param {jQuery} options.el - Control field container element.
+                * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
</ins><span class="cx" style="display: block; padding: 0 10px">                  * @returns {void}
</span><span class="cx" style="display: block; padding: 0 10px">                 */
</span><span class="cx" style="display: block; padding: 0 10px">                initialize: function initialize( options ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -35,34 +35,25 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! options.el ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                throw new Error( 'Missing options.el' );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        if ( ! options.syncContainer ) {
+                               throw new Error( 'Missing options.syncContainer' );
+                       }
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        Backbone.View.prototype.initialize.call( control, options );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        control.syncContainer = options.syncContainer;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        /*
-                        * Create a container element for the widget control fields.
-                        * This is inserted into the DOM immediately before the the .widget-content
-                        * element because the contents of this element are essentially "managed"
-                        * by PHP, where each widget update cause the entire element to be emptied
-                        * and replaced with the rendered output of WP_Widget::form() which is
-                        * sent back in Ajax request made to save/update the widget instance.
-                        * To prevent a "flash of replaced DOM elements and re-initialized JS
-                        * components", the JS template is rendered outside of the normal form
-                        * container.
-                        */
-                       control.fieldContainer = $( '<div class="text-widget-fields"></div>' );
-                       control.fieldContainer.html( wp.template( 'widget-text-control-fields' ) );
-                       control.widgetContentContainer = control.$el.find( '.widget-content:first' );
-                       control.widgetContentContainer.before( control.fieldContainer );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 control.$el.addClass( 'text-widget-fields' );
+                       control.$el.html( wp.template( 'widget-text-control-fields' ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        control.fields = {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                title: control.fieldContainer.find( '.title' ),
-                               text: control.fieldContainer.find( '.text' )
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         title: control.$el.find( '.title' ),
+                               text: control.$el.find( '.text' )
</ins><span class="cx" style="display: block; padding: 0 10px">                         };
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        // Sync input fields to hidden sync fields which actually get sent to the server.
</span><span class="cx" style="display: block; padding: 0 10px">                        _.each( control.fields, function( fieldInput, fieldName ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                fieldInput.on( 'input change', function updateSyncField() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        var syncInput = control.widgetContentContainer.find( 'input[type=hidden].' + fieldName );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 var syncInput = control.syncContainer.find( 'input[type=hidden].' + fieldName );
</ins><span class="cx" style="display: block; padding: 0 10px">                                         if ( syncInput.val() !== $( this ).val() ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                                syncInput.val( $( this ).val() );
</span><span class="cx" style="display: block; padding: 0 10px">                                                syncInput.trigger( 'change' );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -70,7 +61,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                });
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                // Note that syncInput cannot be re-used because it will be destroyed with each widget-updated event.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                fieldInput.val( control.widgetContentContainer.find( 'input[type=hidden].' + fieldName ).val() );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         fieldInput.val( control.syncContainer.find( 'input[type=hidden].' + fieldName ).val() );
</ins><span class="cx" style="display: block; padding: 0 10px">                         });
</span><span class="cx" style="display: block; padding: 0 10px">                },
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -87,11 +78,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        var control = this, syncInput;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! control.fields.title.is( document.activeElement ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                syncInput = control.widgetContentContainer.find( 'input[type=hidden].title' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         syncInput = control.syncContainer.find( 'input[type=hidden].title' );
</ins><span class="cx" style="display: block; padding: 0 10px">                                 control.fields.title.val( syncInput.val() );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        syncInput = control.widgetContentContainer.find( 'input[type=hidden].text' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 syncInput = control.syncContainer.find( 'input[type=hidden].text' );
</ins><span class="cx" style="display: block; padding: 0 10px">                         if ( control.fields.text.is( ':visible' ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( ! control.fields.text.is( document.activeElement ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        control.fields.text.val( syncInput.val() );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -219,7 +210,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @returns {void}
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, widgetInside, renderWhenAnimationDone;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, widgetInside, renderWhenAnimationDone, fieldContainer, syncContainer;
</ins><span class="cx" style="display: block; padding: 0 10px">                 widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                idBase = widgetForm.find( '> .id_base' ).val();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -228,13 +219,29 @@
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                // Prevent initializing already-added widgets.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                widgetId = widgetForm.find( '> .widget-id' ).val();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         widgetId = widgetForm.find( '.widget-id' ).val();
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( component.widgetControls[ widgetId ] ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        return;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                /*
+                * Create a container element for the widget control fields.
+                * This is inserted into the DOM immediately before the the .widget-content
+                * element because the contents of this element are essentially "managed"
+                * by PHP, where each widget update cause the entire element to be emptied
+                * and replaced with the rendered output of WP_Widget::form() which is
+                * sent back in Ajax request made to save/update the widget instance.
+                * To prevent a "flash of replaced DOM elements and re-initialized JS
+                * components", the JS template is rendered outside of the normal form
+                * container.
+                */
+               fieldContainer = $( '<div></div>' );
+               syncContainer = widgetContainer.find( '.widget-content:first' );
+               syncContainer.before( fieldContainer );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 widgetControl = new component.TextWidgetControl({
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        el: widgetContainer
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 el: fieldContainer,
+                       syncContainer: syncContainer
</ins><span class="cx" style="display: block; padding: 0 10px">                 });
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                component.widgetControls[ widgetId ] = widgetControl;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -257,6 +264,35 @@
</span><span class="cx" style="display: block; padding: 0 10px">        };
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * Setup widget in accessibility mode.
+        *
+        * @returns {void}
+        */
+       component.setupAccessibleMode = function setupAccessibleMode() {
+               var widgetForm, idBase, widgetControl, fieldContainer, syncContainer;
+               widgetForm = $( '.editwidget > form' );
+               if ( 0 === widgetForm.length ) {
+                       return;
+               }
+
+               idBase = widgetForm.find( '> .widget-control-actions > .id_base' ).val();
+               if ( 'text' !== idBase ) {
+                       return;
+               }
+
+               fieldContainer = $( '<div></div>' );
+               syncContainer = widgetForm.find( '> .widget-inside' );
+               syncContainer.before( fieldContainer );
+
+               widgetControl = new component.TextWidgetControl({
+                       el: fieldContainer,
+                       syncContainer: syncContainer
+               });
+
+               widgetControl.initializeEditor();
+       };
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Sync widget instance data sanitized from server back onto widget model.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * This gets called via the 'widget-updated' event when saving a widget from
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -319,6 +355,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                var widgetContainer = $( this );
</span><span class="cx" style="display: block; padding: 0 10px">                                component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
</span><span class="cx" style="display: block; padding: 0 10px">                        });
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+                       // Accessibility mode.
+                       $( window ).on( 'load', function() {
+                               component.setupAccessibleMode();
+                       });
</ins><span class="cx" style="display: block; padding: 0 10px">                 });
</span><span class="cx" style="display: block; padding: 0 10px">        };
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="trunktestsqunitwpadminjswidgetstestmediaimagewidgetjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/qunit/wp-admin/js/widgets/test-media-image-widget.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/qunit/wp-admin/js/widgets/test-media-image-widget.js  2017-06-25 18:45:33 UTC (rev 40940)
+++ trunk/tests/qunit/wp-admin/js/widgets/test-media-image-widget.js    2017-06-25 18:47:13 UTC (rev 40941)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -17,6 +17,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                imageWidgetModelInstance = new wp.mediaWidgets.modelConstructors.media_image();
</span><span class="cx" style="display: block; padding: 0 10px">                imageWidgetControlInstance = new ImageWidgetControl({
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        el: jQuery( '<div></div>' ),
+                       syncContainer: jQuery( '<div></div>' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         model: imageWidgetModelInstance
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -84,6 +86,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                imageWidgetModelInstance = new wp.mediaWidgets.modelConstructors.media_image();
</span><span class="cx" style="display: block; padding: 0 10px">                imageWidgetControlInstance = new wp.mediaWidgets.controlConstructors.media_image({
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        el: jQuery( '<div></div>' ),
+                       syncContainer: jQuery( '<div></div>' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         model: imageWidgetModelInstance
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="cx" style="display: block; padding: 0 10px">                equal( imageWidgetControlInstance.$el.find( 'img' ).length, 0, 'No images should be rendered' );
</span></span></pre></div>
<a id="trunktestsqunitwpadminjswidgetstestmediavideowidgetjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/qunit/wp-admin/js/widgets/test-media-video-widget.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/qunit/wp-admin/js/widgets/test-media-video-widget.js  2017-06-25 18:45:33 UTC (rev 40940)
+++ trunk/tests/qunit/wp-admin/js/widgets/test-media-video-widget.js    2017-06-25 18:47:13 UTC (rev 40941)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -17,6 +17,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                videoWidgetModelInstance = new wp.mediaWidgets.modelConstructors.media_video();
</span><span class="cx" style="display: block; padding: 0 10px">                videoWidgetControlInstance = new VideoWidgetControl({
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        el: jQuery( '<div></div>' ),
+                       syncContainer: jQuery( '<div></div>' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         model: videoWidgetModelInstance
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -46,6 +48,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                videoWidgetModelInstance = new wp.mediaWidgets.modelConstructors.media_video();
</span><span class="cx" style="display: block; padding: 0 10px">                videoWidgetControlInstance = new wp.mediaWidgets.controlConstructors.media_video({
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        el: jQuery( '<div></div>' ),
+                       syncContainer: jQuery( '<div></div>' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         model: videoWidgetModelInstance
</span><span class="cx" style="display: block; padding: 0 10px">                });
</span><span class="cx" style="display: block; padding: 0 10px">                equal( videoWidgetControlInstance.$el.find( 'a' ).length, 0, 'No video links should be rendered' );
</span></span></pre>
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