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<title>[12437] branches/2.9/wp-admin/update-core.php:
Give feedback when Upgrade Plugins is clicked but no plugins are selected.</title>
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<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12437">12437</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2009-12-17 20:19:43 +0000 (Thu, 17 Dec 2009)</dd>
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<h3>Log Message</h3>
<pre>Give feedback when Upgrade Plugins is clicked but no plugins are selected. see <a href="http://trac.wordpress.org/ticket/10973">#10973</a> for 2.9</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches29wpadminupdatecorephp">branches/2.9/wp-admin/update-core.php</a></li>
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<h3>Diff</h3>
<a id="branches29wpadminupdatecorephp"></a>
<div class="modfile"><h4>Modified: branches/2.9/wp-admin/update-core.php (12436 => 12437)</h4>
<pre class="diff"><span>
<span class="info">--- branches/2.9/wp-admin/update-core.php        2009-12-17 20:18:12 UTC (rev 12436)
+++ branches/2.9/wp-admin/update-core.php        2009-12-17 20:19:43 UTC (rev 12437)
</span><span class="lines">@@ -95,12 +95,20 @@
</span><span class="cx"> * @return null
</span><span class="cx"> */
</span><span class="cx"> function core_upgrade_preamble() {
</span><ins>+        global $upgrade_error;
+
</ins><span class="cx">         $updates = get_core_updates();
</span><span class="cx"> ?>
</span><span class="cx">         <div class="wrap">
</span><span class="cx">         <?php screen_icon(); ?>
</span><span class="cx">         <h2><?php _e('Upgrade WordPress'); ?></h2>
</span><span class="cx"> <?php
</span><ins>+        if ( $upgrade_error ) {
+                echo '<div class="error"><p>';
+                _e('Please select one or more plugins to upgrade.');
+                echo '</p></div>';
+        }
+
</ins><span class="cx">         if ( !isset($updates[0]->response) || 'latest' == $updates[0]->response ) {
</span><span class="cx">                 echo '<h3>';
</span><span class="cx">                 _e('You have the latest version of WordPress. You do not need to upgrade');
</span><span class="lines">@@ -331,8 +339,11 @@
</span><span class="cx">
</span><span class="cx">         if ( isset($_GET['plugins']) ) {
</span><span class="cx">                 $plugins = explode(',', $_GET['plugins']);
</span><ins>+        } elseif ( isset($_POST['checked']) ) {
+                $plugins = (array) $_POST['checked'];
</ins><span class="cx">         } else {
</span><del>-                $plugins = (array) $_POST['checked'];
</del><ins>+                // Nothing to do.
+                return;
</ins><span class="cx">         }
</span><span class="cx">         $url = 'update-core.php?action=do-plugin-upgrade&amp;plugins=' . urlencode(join(',', $plugins));
</span><span class="cx">         $title = __('Upgrade Plugins');
</span><span class="lines">@@ -343,6 +354,12 @@
</span><span class="cx">
</span><span class="cx"> $action = isset($_GET['action']) ? $_GET['action'] : 'upgrade-core';
</span><span class="cx">
</span><ins>+$upgrade_error = false;
+if ( 'do-plugin-upgrade' == $action && !isset($_GET['plugins']) && !isset($_POST['checked']) ) {
+        $upgrade_error = true;
+        $action = 'upgrade-core';
+}
+
</ins><span class="cx"> $title = __('Upgrade WordPress');
</span><span class="cx"> $parent_file = 'tools.php';
</span><span class="cx">
</span></span></pre>
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