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<title>[38709] trunk/src: Customize: Improve the widgets and menu items search.</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/38709">38709</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/38709","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>afercia</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-10-03 16:27:55 +0000 (Mon, 03 Oct 2016)</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'>Customize: Improve the widgets and menu items search.

- adds a "search" icon into the search fields
- adds a hidden description for the widget search field, targeted by `aria-describedby`
- adds the "clear-results" button to the widgets search
- removes the `change` and `search` events bound on the widget search, for these "live searches" WordPress should standardize on `input` (+ `keyup` when needed)
- adds property and function to keep track and update the number of the widgets search results
- the widgets search results are now announced via `wp.a11y.speak()`
- adds a visible and audible message when there are no widgets search results
- moves some CSS to `customize-controls.css`

Props ryankienstra, melchoyce, afercia.
Fixes <a href="https://core.trac.wordpress.org/ticket/36908">#36908</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadmincsscustomizecontrolscss">trunk/src/wp-admin/css/customize-controls.css</a></li>
<li><a href="#trunksrcwpadmincsscustomizenavmenuscss">trunk/src/wp-admin/css/customize-nav-menus.css</a></li>
<li><a href="#trunksrcwpadminjscustomizenavmenusjs">trunk/src/wp-admin/js/customize-nav-menus.js</a></li>
<li><a href="#trunksrcwpadminjscustomizewidgetsjs">trunk/src/wp-admin/js/customize-widgets.js</a></li>
<li><a href="#trunksrcwpincludesclasswpcustomizenavmenusphp">trunk/src/wp-includes/class-wp-customize-nav-menus.php</a></li>
<li><a href="#trunksrcwpincludesclasswpcustomizewidgetsphp">trunk/src/wp-includes/class-wp-customize-widgets.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadmincsscustomizecontrolscss"></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/css/customize-controls.css</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/css/customize-controls.css     2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-admin/css/customize-controls.css       2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1409,21 +1409,25 @@
</span><span class="cx" style="display: block; padding: 0 10px">        overflow: auto;
</span><span class="cx" style="display: block; padding: 0 10px">        bottom: 0;
</span><span class="cx" style="display: block; padding: 0 10px">        width: 100%;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        border-top: 1px solid #ddd;
</ins><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">+.no-widgets-found #available-widgets-list {
+       border-top: none;
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px"> #available-widgets-filter {
</span><span class="cx" style="display: block; padding: 0 10px">        position: fixed;
</span><span class="cx" style="display: block; padding: 0 10px">        top: 0;
</span><span class="cx" style="display: block; padding: 0 10px">        z-index: 1;
</span><span class="cx" style="display: block; padding: 0 10px">        width: 300px;
</span><span class="cx" style="display: block; padding: 0 10px">        background: #eee;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        border-bottom: 1px solid #e5e5e5;
</del><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"> /* search field container */
</span><span class="cx" style="display: block; padding: 0 10px"> #available-widgets-filter,
</span><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items-search .accordion-section-title {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        padding: 12px 15px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ padding: 13px 15px;
</ins><span class="cx" style="display: block; padding: 0 10px">         -webkit-box-sizing: border-box;
</span><span class="cx" style="display: block; padding: 0 10px">        -moz-box-sizing: border-box;
</span><span class="cx" style="display: block; padding: 0 10px">        box-sizing: border-box;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1431,10 +1435,103 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px"> #available-widgets-filter input,
</span><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items-search input {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        padding: 6px 10px;
</del><span class="cx" style="display: block; padding: 0 10px">         width: 100%;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        height: 32px;
+       margin: 1px 0;
+       padding: 6px 30px;
</ins><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">+#available-widgets-filter input::-ms-clear,
+#available-menu-items-search input::-ms-clear {
+       display: none; /* remove the "x" in IE, which conflicts with the "x" icon on button.clear-results */
+}
+
+#available-menu-items-search .search-icon,
+#available-widgets-filter .search-icon {
+       display: block;
+       position: absolute;
+       top: 15px; /* 13 container padding +1 input margin +1 input border */
+       left: 16px;
+       width: 30px;
+       height: 30px;
+       line-height: 28px;
+       text-align: center;
+       color: #72777c;
+}
+
+#available-widgets-filter .clear-results,
+#available-menu-items-search .clear-results {
+       position: absolute;
+       top: 15px; /* 13 container padding +1 input margin +1 input border */
+       right: 16px;
+       width: 30px;
+       height: 30px;
+       padding: 0;
+       border: 0;
+       cursor: pointer;
+       background: none;
+       color: #a00;
+       text-decoration: none;
+       outline: 0;
+}
+
+#available-widgets-filter .clear-results,
+#available-menu-items-search .clear-results,
+#available-menu-items-search.loading .clear-results.is-visible {
+       display: none;
+}
+
+#available-widgets-filter .clear-results.is-visible,
+#available-menu-items-search .clear-results.is-visible {
+       display: block;
+}
+
+#available-widgets-filter .clear-results:before,
+#available-menu-items-search .clear-results:before {
+       content: "\f335";
+       font: normal 20px/1 dashicons;
+       vertical-align: middle;
+       -webkit-font-smoothing: antialiased;
+       -moz-osx-font-smoothing: grayscale;
+}
+
+#available-widgets-filter .clear-results:hover,
+#available-widgets-filter .clear-results:focus,
+#available-menu-items-search .clear-results:hover,
+#available-menu-items-search .clear-results:focus {
+       color: #dc3232;
+}
+
+#available-widgets-filter .clear-results:focus,
+#available-menu-items-search .clear-results:focus {
+       -webkit-box-shadow:
+               0 0 0 1px #5b9dd9,
+               0 0 2px 1px rgba(30, 140, 190, .8);
+       box-shadow:
+               0 0 0 1px #5b9dd9,
+               0 0 2px 1px rgba(30, 140, 190, .8);
+}
+
+#available-menu-items-search .search-icon:after,
+#available-widgets-filter .search-icon:after {
+       content: "\f179";
+       font: normal 20px/1 dashicons;
+       vertical-align: middle;
+       -webkit-font-smoothing: antialiased;
+       -moz-osx-font-smoothing: grayscale;
+}
+
+.no-widgets-found-message {
+       display: none;
+       margin: 0;
+       padding: 0 15px;
+       line-height: inherit;
+}
+
+.no-widgets-found .no-widgets-found-message {
+       display: block;
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px"> #available-widgets .widget-top,
</span><span class="cx" style="display: block; padding: 0 10px"> #available-widgets .widget-top:hover,
</span><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items .item-top,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1450,7 +1547,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">        position: relative;
</span><span class="cx" style="display: block; padding: 0 10px">        padding: 20px 15px 20px 60px;
</span><span class="cx" style="display: block; padding: 0 10px">        background: #fff;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        border-bottom: 1px solid #e5e5e5;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ border-bottom: 1px solid #ddd;
</ins><span class="cx" style="display: block; padding: 0 10px">         border-left: 4px solid #fff;
</span><span class="cx" style="display: block; padding: 0 10px">        cursor: pointer;
</span><span class="cx" style="display: block; padding: 0 10px">        display: none;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1628,12 +1725,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">        #available-widgets-filter {
</span><span class="cx" style="display: block; padding: 0 10px">                position: relative;
</span><span class="cx" style="display: block; padding: 0 10px">                width: 100%;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                background: #fff;
</del><span class="cx" style="display: block; padding: 0 10px">                 height: auto;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                padding: 10px 15px;
</del><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">        #available-widgets-list {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                top: 140px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         top: 130px;
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       #available-menu-items-search .clear-results,
+       #available-menu-items-search .search-icon {
+               top: 85px; /* 70 section title height + 13 container padding +1 input margin +1 input border */
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunksrcwpadmincsscustomizenavmenuscss"></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/css/customize-nav-menus.css</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/css/customize-nav-menus.css    2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-admin/css/customize-nav-menus.css      2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -688,58 +688,17 @@
</span><span class="cx" style="display: block; padding: 0 10px">        margin: 0 20px;
</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">-#available-menu-items-search .clear-results {
-       position: absolute;
-       top: 18px; /* 12 container padding +1 input margin +1 input border +4 ( 4 is ( 28 input height - 20 button height ) / 2 ) */
-       right: 20px;
-       width: 20px;
-       height: 20px;
-       padding: 0;
-       border: 0;
-       cursor: pointer;
-       background: none;
-       color: #a00;
-       text-decoration: none;
-       outline: 0;
-}
-
-#available-menu-items-search .clear-results,
-#available-menu-items-search.loading .clear-results.is-visible {
-       display: none;
-}
-
-#available-menu-items-search .clear-results.is-visible {
-       display: block;
-}
-
-.ie8 #available-menu-items-search.loading .clear-results:before {
-       content: ""; /* help IE8 redraw the pseudo element */
-}
-
-#available-menu-items-search .clear-results:before {
-       content: "\f335";
-       font: normal 20px/1 dashicons;
-       vertical-align: middle;
-       -webkit-font-smoothing: antialiased;
-       -moz-osx-font-smoothing: grayscale;
-}
-
-#available-menu-items-search .clear-results:hover,
-#available-menu-items-search .clear-results:focus {
-       color: #f00;
-}
-
</del><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items-search .spinner {
</span><span class="cx" style="display: block; padding: 0 10px">        position: absolute;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        top: 18px; /* 12 container padding +1 input margin +1 input border +4 ( ( 28 input height - 20 button height ) / 2 ) */
-       right: 20px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ top: 20px; /* 13 container padding +1 input margin +6 ( ( 32 input height - 20 spinner height ) / 2 ) */
+       right: 21px;
</ins><span class="cx" style="display: block; padding: 0 10px">         margin: 0 !important;
</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"> /* search results list */
</span><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items #available-menu-items-search .accordion-section-content {
</span><span class="cx" style="display: block; padding: 0 10px">        position: absolute;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        left: 1px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ left: 0;
</ins><span class="cx" style="display: block; padding: 0 10px">         top: 60px; /* below title div / search input */
</span><span class="cx" style="display: block; padding: 0 10px">        bottom: 0px; /* 100% height that still triggers lazy load */
</span><span class="cx" style="display: block; padding: 0 10px">        max-height: none;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -750,6 +709,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">        box-sizing: border-box;
</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">+#available-menu-items-search .nothing-found {
+       /* Compensate the 1px top padding of the container. */
+       margin-top: -1px;
+}
+
</ins><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items-search .accordion-section-title:after {
</span><span class="cx" style="display: block; padding: 0 10px">        display: none;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -920,7 +884,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> .customize-screen-options-toggle:focus:before,
</span><span class="cx" style="display: block; padding: 0 10px"> #customize-controls .customize-info .customize-help-toggle:focus:before,
</span><span class="cx" style="display: block; padding: 0 10px"> .wp-customizer button:focus .toggle-indicator:after,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-#available-menu-items-search .clear-results:focus,
</del><span class="cx" style="display: block; padding: 0 10px"> .menu-delete:focus,
</span><span class="cx" style="display: block; padding: 0 10px"> .menu-item-bar .item-delete:focus:before,
</span><span class="cx" style="display: block; padding: 0 10px"> #available-menu-items .item-add:focus:before {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -937,19 +900,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">        #available-menu-items #available-menu-items-search .accordion-section-content {
</span><span class="cx" style="display: block; padding: 0 10px">                top: 63px;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-       #available-menu-items-search .spinner,
-       #available-menu-items-search .clear-results {
-               top: 20px; /* 12 container padding +1 input margin +1 input border +5.5 ( 5.5 rounded to 6 is ( 31 input height - 20 button height ) / 2 ) */
-       }
</del><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"> @media screen and ( max-width: 640px ) {
</span><span class="cx" style="display: block; padding: 0 10px">        #available-menu-items #available-menu-items-search .accordion-section-content {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                top: 133px;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         top: 130px;
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-       #available-menu-items-search .clear-results {
-               top: 90px; /* 70 section title height + 12 container padding +1 input margin +1 input border +5.5 ( 5.5 rounded to 6 is ( 31 input height - 20 button height ) / 2 ) */
-       }
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunksrcwpadminjscustomizenavmenusjs"></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/customize-nav-menus.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/customize-nav-menus.js      2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-admin/js/customize-nav-menus.js        2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -170,6 +170,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                currentMenuControl: null,
</span><span class="cx" style="display: block; padding: 0 10px">                debounceSearch: null,
</span><span class="cx" style="display: block; padding: 0 10px">                $search: null,
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $clearResults: null,
</ins><span class="cx" style="display: block; padding: 0 10px">                 searchTerm: '',
</span><span class="cx" style="display: block; padding: 0 10px">                rendered: false,
</span><span class="cx" style="display: block; padding: 0 10px">                pages: {},
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -185,6 +186,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.$search = $( '#menu-items-search' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        this.$clearResults = this.$el.find( '.clear-results' );
</ins><span class="cx" style="display: block; padding: 0 10px">                         this.sectionContent = this.$el.find( '.available-menu-items-list' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.debounceSearch = _.debounce( self.search, 500 );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -202,8 +204,8 @@
</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><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        // Clear the search results.
-                       $( '.clear-results' ).on( 'click', function() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Clear the search results and trigger a `keyup` event to fire a new search.
+                       this.$clearResults.on( 'click', function() {
</ins><span class="cx" style="display: block; padding: 0 10px">                                 self.$search.val( '' ).focus().trigger( 'keyup' );
</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">@@ -261,11 +263,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                $otherSections.fadeOut( 100 );
</span><span class="cx" style="display: block; padding: 0 10px">                                $searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
</span><span class="cx" style="display: block; padding: 0 10px">                                $searchSection.addClass( 'open' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $searchSection.find( '.clear-results' ).addClass( 'is-visible' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         this.$clearResults.addClass( 'is-visible' );
</ins><span class="cx" style="display: block; padding: 0 10px">                         } else if ( '' === event.target.value ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $searchSection.removeClass( 'open' );
</span><span class="cx" style="display: block; padding: 0 10px">                                $otherSections.show();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $searchSection.find( '.clear-results' ).removeClass( 'is-visible' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         this.$clearResults.removeClass( 'is-visible' );
</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">                        this.searchTerm = event.target.value;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -337,7 +339,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        self.currentRequest.fail(function( data ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                // data.message may be undefined, for example when typing slow and the request is aborted.
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( data.message ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        $content.empty().append( $( '<p class="nothing-found"></p>' ).text( data.message ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 $content.empty().append( $( '<li class="nothing-found"></li>' ).text( data.message ) );
</ins><span class="cx" style="display: block; padding: 0 10px">                                         wp.a11y.speak( data.message );
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><span class="cx" style="display: block; padding: 0 10px">                                self.pages.search = -1;
</span></span></pre></div>
<a id="trunksrcwpadminjscustomizewidgetsjs"></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/customize-widgets.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/customize-widgets.js        2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-admin/js/customize-widgets.js  2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -70,8 +70,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                this.search( this.terms );
</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">-                        // If search is blank, show all themes
-                       // Useful for resetting the views when you clean the input
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // If search is blank, set all the widgets as they matched the search to reset the views.
</ins><span class="cx" style="display: block; padding: 0 10px">                         if ( this.terms === '' ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                this.each( function ( widget ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        widget.set( 'search_matched', true );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -149,8 +148,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">                events: {
</span><span class="cx" style="display: block; padding: 0 10px">                        'input #widgets-search': 'search',
</span><span class="cx" style="display: block; padding: 0 10px">                        'keyup #widgets-search': 'search',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'change #widgets-search': 'search',
-                       'search #widgets-search': 'search',
</del><span class="cx" style="display: block; padding: 0 10px">                         'focus .widget-tpl' : 'focus',
</span><span class="cx" style="display: block; padding: 0 10px">                        'click .widget-tpl' : '_submit',
</span><span class="cx" style="display: block; padding: 0 10px">                        'keypress .widget-tpl' : '_submit',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -163,18 +160,25 @@
</span><span class="cx" style="display: block; padding: 0 10px">                // Cache sidebar control which has opened panel
</span><span class="cx" style="display: block; padding: 0 10px">                currentSidebarControl: null,
</span><span class="cx" style="display: block; padding: 0 10px">                $search: null,
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $clearResults: null,
+               searchMatchesCount: null,
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                initialize: function() {
</span><span class="cx" style="display: block; padding: 0 10px">                        var self = this;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.$search = $( '#widgets-search' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        this.$clearResults = this.$el.find( '.clear-results' );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         _.bindAll( this, 'close' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.listenTo( this.collection, 'change', this.updateList );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.updateList();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        // Set the initial search count to the number of available widgets.
+                       this.searchMatchesCount = this.collection.length;
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         // If the available widgets panel is open and the customize controls are
</span><span class="cx" style="display: block; padding: 0 10px">                        // interacted with (i.e. available widgets panel is blurred) then close the
</span><span class="cx" style="display: block; padding: 0 10px">                        // available widgets panel. Also close on back button click.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -185,6 +189,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><span class="cx" style="display: block; padding: 0 10px">                        } );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        // Clear the search results and trigger a `keyup` event to fire a new search.
+                       this.$clearResults.on( 'click', function() {
+                               self.$search.val( '' ).focus().trigger( 'keyup' );
+                       } );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         // Close the panel if the URL in the preview changes
</span><span class="cx" style="display: block; padding: 0 10px">                        api.previewer.bind( 'url', this.close );
</span><span class="cx" style="display: block; padding: 0 10px">                },
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -194,6 +203,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        var firstVisible;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        this.collection.doSearch( event.target.value );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        // Update the search matches count.
+                       this.updateSearchMatchesCount();
+                       // Announce how many search results.
+                       this.announceSearchMatches();
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        // Remove a widget from being selected if it is no longer visible
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( this.selected && ! this.selected.is( ':visible' ) ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -214,8 +227,38 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        this.select( firstVisible );
</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">+
+                       // Toggle the clear search results button.
+                       if ( '' !== event.target.value ) {
+                               this.$clearResults.addClass( 'is-visible' );
+                       } else if ( '' === event.target.value ) {
+                               this.$clearResults.removeClass( 'is-visible' );
+                       }
+
+                       // Set a CSS class on the search container when there are no search results.
+                       if ( ! this.searchMatchesCount ) {
+                               this.$el.addClass( 'no-widgets-found' );
+                       } else {
+                               this.$el.removeClass( 'no-widgets-found' );
+                       }
</ins><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">+                // Update the count of the available widgets that have the `search_matched` attribute.
+               updateSearchMatchesCount: function() {
+                       this.searchMatchesCount = this.collection.where({ search_matched: true }).length;
+               },
+
+               // Send a message to the aria-live region to announce how many search results.
+               announceSearchMatches: _.debounce( function() {
+                       var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ;
+
+                       if ( ! this.searchMatchesCount ) {
+                               message = l10n.noWidgetsFound;
+                       }
+
+                       wp.a11y.speak( message );
+               }, 500 ),
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 // Changes visibility of available widgets
</span><span class="cx" style="display: block; padding: 0 10px">                updateList: function() {
</span><span class="cx" style="display: block; padding: 0 10px">                        this.collection.each( function( widget ) {
</span></span></pre></div>
<a id="trunksrcwpincludesclasswpcustomizenavmenusphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-wp-customize-nav-menus.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-customize-nav-menus.php    2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-includes/class-wp-customize-nav-menus.php      2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -891,6 +891,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        <p class="screen-reader-text" id="menu-items-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
</span><span class="cx" style="display: block; padding: 0 10px">                                        <span class="spinner"></span>
</span><span class="cx" style="display: block; padding: 0 10px">                                </div>
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                <div class="search-icon" aria-hidden="true"></div>
</ins><span class="cx" style="display: block; padding: 0 10px">                                 <button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button>
</span><span class="cx" style="display: block; padding: 0 10px">                                <ul class="accordion-section-content available-menu-items-list" data-type="search"></ul>
</span><span class="cx" style="display: block; padding: 0 10px">                        </div>
</span></span></pre></div>
<a id="trunksrcwpincludesclasswpcustomizewidgetsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-wp-customize-widgets.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-customize-widgets.php      2016-10-03 08:37:27 UTC (rev 38708)
+++ trunk/src/wp-includes/class-wp-customize-widgets.php        2016-10-03 16:27:55 UTC (rev 38709)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -733,7 +733,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                'reorderModeOn'    => __( 'Reorder mode enabled' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'reorderModeOff'   => __( 'Reorder mode closed' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'reorderLabelOn'   => esc_attr__( 'Reorder widgets' ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'reorderLabelOff'  => esc_attr__( 'Close reorder mode' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'widgetsFound'     => __( 'Number of widgets found: %d' ),
+                               'noWidgetsFound'   => __( 'No widgets found.' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                         ),
</span><span class="cx" style="display: block; padding: 0 10px">                        'tpl' => array(
</span><span class="cx" style="display: block; padding: 0 10px">                                'widgetReorderNav' => $widget_reorder_nav_tpl,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -777,7 +778,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        </div>
</span><span class="cx" style="display: block; padding: 0 10px">                        <div id="available-widgets-filter">
</span><span class="cx" style="display: block; padding: 0 10px">                                <label class="screen-reader-text" for="widgets-search"><?php _e( 'Search Widgets' ); ?></label>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                <input type="search" id="widgets-search" placeholder="<?php esc_attr_e( 'Search widgets&hellip;' ) ?>" />
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         <input type="text" id="widgets-search" placeholder="<?php esc_attr_e( 'Search widgets&hellip;' ) ?>" aria-describedby="widgets-search-desc" />
+                               <div class="search-icon" aria-hidden="true"></div>
+                               <button type="button" class="clear-results"><span class="screen-reader-text"><?php _e( 'Clear Results' ); ?></span></button>
+                               <p class="screen-reader-text" id="widgets-search-desc"><?php _e( 'The search results will be updated as you type.' ); ?></p>
</ins><span class="cx" style="display: block; padding: 0 10px">                         </div>
</span><span class="cx" style="display: block; padding: 0 10px">                        <div id="available-widgets-list">
</span><span class="cx" style="display: block; padding: 0 10px">                        <?php foreach ( $this->get_available_widgets() as $available_widget ): ?>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -785,6 +789,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        <?php echo $available_widget['control_tpl']; ?>
</span><span class="cx" style="display: block; padding: 0 10px">                                </div>
</span><span class="cx" style="display: block; padding: 0 10px">                        <?php endforeach; ?>
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        <p class="no-widgets-found-message"><?php _e( 'No widgets found.' ); ?></p>
</ins><span class="cx" style="display: block; padding: 0 10px">                         </div><!-- #available-widgets-list -->
</span><span class="cx" style="display: block; padding: 0 10px">                </div><!-- #available-widgets -->
</span><span class="cx" style="display: block; padding: 0 10px">                </div><!-- #widgets-left -->
</span></span></pre>
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