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<title>[41547] trunk/src/wp-includes/widgets/class-wp-widget-categories.php: Widgets: Add Customizer preview support to the Category widget when navigating to a category via dropdown.</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/41547">41547</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/41547","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>2017-09-20 03:15:19 +0000 (Wed, 20 Sep 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 Customizer preview support to the Category widget when navigating to a category via dropdown.
Switch to using a `form` that is submitted as opposed to making a direct JavaScript call to change the `window.location`. This ensures the Customizer is able to inject the customized state into the request.
Fixes <a href="https://core.trac.wordpress.org/ticket/41671">#41671</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludeswidgetsclasswpwidgetcategoriesphp">trunk/src/wp-includes/widgets/class-wp-widget-categories.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludeswidgetsclasswpwidgetcategoriesphp"></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/widgets/class-wp-widget-categories.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/widgets/class-wp-widget-categories.php 2017-09-19 22:22:11 UTC (rev 41546)
+++ trunk/src/wp-includes/widgets/class-wp-widget-categories.php 2017-09-20 03:15:19 UTC (rev 41547)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -59,10 +59,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $cat_args = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'orderby' => 'name',
</span><span class="cx" style="display: block; padding: 0 10px"> 'show_count' => $c,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'hierarchical' => $h
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'hierarchical' => $h,
</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"> if ( $d ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ echo sprintf( '<form action="%s" method="get">', esc_url( home_url() ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> $dropdown_id = ( $first_dropdown ) ? 'cat' : "{$this->id_base}-dropdown-{$this->number}";
</span><span class="cx" style="display: block; padding: 0 10px"> $first_dropdown = false;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -81,6 +82,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @param array $cat_args An array of Categories widget drop-down arguments.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args ) );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ echo '</form>';
</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"> <script type='text/javascript'>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -89,7 +92,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" );
</span><span class="cx" style="display: block; padding: 0 10px"> function onCatChange() {
</span><span class="cx" style="display: block; padding: 0 10px"> if ( dropdown.options[ dropdown.selectedIndex ].value > 0 ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- location.href = "<?php echo home_url(); ?>/?cat=" + dropdown.options[ dropdown.selectedIndex ].value;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ dropdown.parentNode.submit();
</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"> dropdown.onchange = onCatChange;
</span></span></pre>
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