<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="content-type" content="text/html; charset=utf-8" /><style type="text/css"><!--
#msg dl { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; }
#msg dt { float: left; width: 6em; font-weight: bold; }
#msg dt:after { content:':';}
#msg dl, #msg dt, #msg ul, #msg li, #header, #footer { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt;  }
#msg dl a { font-weight: bold}
#msg dl a:link    { color:#fc3; }
#msg dl a:active  { color:#ff0; }
#msg dl a:visited { color:#cc6; }
h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; }
#msg pre { overflow: auto; background: #ffc; border: 1px #fc0 solid; padding: 6px; }
#msg ul, pre { overflow: auto; }
#header, #footer { color: #fff; background: #636; border: 1px #300 solid; padding: 6px; }
#patch { width: 100%; }
#patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;}
#patch .propset h4, #patch .binary h4 {margin:0;}
#patch pre {padding:0;line-height:1.2em;margin:0;}
#patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;}
#patch .propset .diff, #patch .binary .diff  {padding:10px 0;}
#patch span {display:block;padding:0 10px;}
#patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;}
#patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;}
#patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;}
#patch .lines, .info {color:#888;background:#fff;}
--></style>
<title>[13470] trunk/wp-admin/plugins.php: When deleting plugins,
  check for uninstall hooks and warn of data deletion.</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/13470">13470</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2010-02-27 22:01:22 +0000 (Sat, 27 Feb 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>When deleting plugins, check for uninstall hooks and warn of data deletion. Props cyberhobo. Pluralize some string(s). fixes <a href="http://trac.wordpress.org/ticket/11850">#11850</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminpluginsphp">trunk/wp-admin/plugins.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminpluginsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/plugins.php (13469 => 13470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/plugins.php        2010-02-27 20:26:37 UTC (rev 13469)
+++ trunk/wp-admin/plugins.php        2010-02-27 22:01:22 UTC (rev 13470)
</span><span class="lines">@@ -222,14 +222,15 @@
</span><span class="cx">                                 require_once('admin-header.php');
</span><span class="cx">                                 ?&gt;
</span><span class="cx">                         &lt;div class=&quot;wrap&quot;&gt;
</span><del>-                                &lt;h2&gt;&lt;?php _e('Delete Plugin(s)'); ?&gt;&lt;/h2&gt;
</del><span class="cx">                                 &lt;?php
</span><span class="cx">                                         $files_to_delete = $plugin_info = array();
</span><span class="cx">                                         foreach ( (array) $plugins as $plugin ) {
</span><span class="cx">                                                 if ( '.' == dirname($plugin) ) {
</span><span class="cx">                                                         $files_to_delete[] = WP_PLUGIN_DIR . '/' . $plugin;
</span><del>-                                                        if ( $data = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin) )
</del><ins>+                                                        if( $data = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin) ) {
</ins><span class="cx">                                                                 $plugin_info[ $plugin ] = $data;
</span><ins>+                                                                $plugin_info[ $plugin ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+                                                        }
</ins><span class="cx">                                                 } else {
</span><span class="cx">                                                         //Locate all the files in that folder:
</span><span class="cx">                                                         $files = list_files( WP_PLUGIN_DIR . '/' . dirname($plugin) );
</span><span class="lines">@@ -237,20 +238,40 @@
</span><span class="cx">                                                                 $files_to_delete = array_merge($files_to_delete, $files);
</span><span class="cx">                                                         }
</span><span class="cx">                                                         //Get plugins list from that folder
</span><del>-                                                        if ( $folder_plugins = get_plugins( '/' . dirname($plugin)) )
-                                                                $plugin_info = array_merge($plugin_info, $folder_plugins);
</del><ins>+                                                        if ( $folder_plugins = get_plugins( '/' . dirname($plugin)) ) {
+                                                                foreach( $folder_plugins as $plugin_file =&gt; $data ) {
+                                                                        $plugin_info[ $plugin_file ] = $data;
+                                                                        $plugin_info[ $plugin_file ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
+                                                                }
+                                                        }
</ins><span class="cx">                                                 }
</span><span class="cx">                                         }
</span><ins>+                                        screen_icon();
+                                        $plugins_to_delete = count( $plugin_info );
+                                        echo '&lt;h2&gt;' . _n( 'Delete Plugin', 'Delete Plugins', $plugins_to_delete ) . '&lt;/h2&gt;';
</ins><span class="cx">                                 ?&gt;
</span><del>-                                &lt;p&gt;&lt;?php _e('Deleting the selected plugins will remove the following plugin(s) and their files:'); ?&gt;&lt;/p&gt;
</del><ins>+                                &lt;p&gt;&lt;?php echo _n( 'Deleting the selected plugin will remove the following plugin and its files:', 'Deleting the selected plugins will remove the following plugins and their files:', $plugins_to_delete ); ?&gt;&lt;/p&gt;
</ins><span class="cx">                                         &lt;ul class=&quot;ul-disc&quot;&gt;
</span><span class="cx">                                                 &lt;?php
</span><del>-                                                foreach ( $plugin_info as $plugin )
-                                                        /* translators: 1: plugin name, 2: plugin author */
-                                                        echo '&lt;li&gt;', sprintf(__('&lt;strong&gt;%1$s&lt;/strong&gt; by &lt;em&gt;%2$s&lt;/em&gt;'), $plugin['Name'], $plugin['Author']), '&lt;/li&gt;';
</del><ins>+                                                $data_to_delete = false;
+                                                foreach ( $plugin_info as $plugin ) {
+                                                        if ( $plugin['is_uninstallable'] ) {
+                                                                /* translators: 1: plugin name, 2: plugin author */
+                                                                echo '&lt;li&gt;', sprintf( __( '&lt;strong&gt;%1$s&lt;/strong&gt; by &lt;em&gt;%2$s&lt;/em&gt; (will also &lt;strong&gt;delete its data&lt;/strong&gt;)' ), $plugin['Name'], $plugin['Author'] ), '&lt;/li&gt;';
+                                                                $data_to_delete = true;
+                                                        } else {
+                                                                /* translators: 1: plugin name, 2: plugin author */
+                                                                echo '&lt;li&gt;', sprintf( __('&lt;strong&gt;%1$s&lt;/strong&gt; by &lt;em&gt;%2$s&lt;/em&gt;' ), $plugin['Name'], $plugin['Author'] ), '&lt;/li&gt;';
+                                                        }
+                                                }
</ins><span class="cx">                                                 ?&gt;
</span><span class="cx">                                         &lt;/ul&gt;
</span><del>-                                &lt;p&gt;&lt;?php _e('Are you sure you wish to delete these files?') ?&gt;&lt;/p&gt;
</del><ins>+                                &lt;p&gt;&lt;?php
+                                if ( $data_to_delete )
+                                        _e('Are you sure you wish to delete these files and data?');
+                                else
+                                        _e('Are you sure you wish to delete these files?');
+                                ?&gt;&lt;/p&gt;
</ins><span class="cx">                                 &lt;form method=&quot;post&quot; action=&quot;&lt;?php echo esc_url($_SERVER['REQUEST_URI']); ?&gt;&quot; style=&quot;display:inline;&quot;&gt;
</span><span class="cx">                                         &lt;input type=&quot;hidden&quot; name=&quot;verify-delete&quot; value=&quot;1&quot; /&gt;
</span><span class="cx">                                         &lt;input type=&quot;hidden&quot; name=&quot;action&quot; value=&quot;delete-selected&quot; /&gt;
</span><span class="lines">@@ -259,7 +280,7 @@
</span><span class="cx">                                                         echo '&lt;input type=&quot;hidden&quot; name=&quot;checked[]&quot; value=&quot;' . esc_attr($plugin) . '&quot; /&gt;';
</span><span class="cx">                                         ?&gt;
</span><span class="cx">                                         &lt;?php wp_nonce_field('bulk-manage-plugins') ?&gt;
</span><del>-                                        &lt;input type=&quot;submit&quot; name=&quot;submit&quot; value=&quot;&lt;?php esc_attr_e('Yes, Delete these files') ?&gt;&quot; class=&quot;button&quot; /&gt;
</del><ins>+                                        &lt;input type=&quot;submit&quot; name=&quot;submit&quot; value=&quot;&lt;?php $data_to_delete ? esc_attr_e('Yes, Delete these files and data') : esc_attr_e('Yes, Delete these files') ?&gt;&quot; class=&quot;button&quot; /&gt;
</ins><span class="cx">                                 &lt;/form&gt;
</span><span class="cx">                                 &lt;form method=&quot;post&quot; action=&quot;&lt;?php echo esc_url(wp_get_referer()); ?&gt;&quot; style=&quot;display:inline;&quot;&gt;
</span><span class="cx">                                         &lt;input type=&quot;submit&quot; name=&quot;submit&quot; value=&quot;&lt;?php esc_attr_e('No, Return me to the plugin list') ?&gt;&quot; class=&quot;button&quot; /&gt;
</span></span></pre>
</div>
</div>

</body>
</html>