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<title>[17036] trunk/wp-admin/plugins.php: Network Admin:
  Show a warning when deleting non-network-only plugins,
  as they may be activated on subsites.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/17036">17036</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2010-12-17 23:21:15 +0000 (Fri, 17 Dec 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Network Admin: Show a warning when deleting non-network-only plugins, as they may be activated on subsites. fixes <a href="http://trac.wordpress.org/ticket/15709">#15709</a>.</pre>

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

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<h3>Diff</h3>
<a id="trunkwpadminpluginsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/plugins.php (17035 => 17036)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/plugins.php        2010-12-17 22:21:58 UTC (rev 17035)
+++ trunk/wp-admin/plugins.php        2010-12-17 23:21:15 UTC (rev 17036)
</span><span class="lines">@@ -217,12 +217,15 @@
</span><span class="cx">                         &lt;div class=&quot;wrap&quot;&gt;
</span><span class="cx">                                 &lt;?php
</span><span class="cx">                                         $files_to_delete = $plugin_info = array();
</span><ins>+                                        $have_non_network_plugins = false;
</ins><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><span class="cx">                                                         if( $data = get_plugin_data(WP_PLUGIN_DIR . '/' . $plugin) ) {
</span><span class="cx">                                                                 $plugin_info[ $plugin ] = $data;
</span><span class="cx">                                                                 $plugin_info[ $plugin ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
</span><ins>+                                                                if ( ! $plugin_info[ $plugin ]['Network'] )
+                                                                        $have_non_network_plugins = true;
</ins><span class="cx">                                                         }
</span><span class="cx">                                                 } else {
</span><span class="cx">                                                         // Locate all the files in that folder
</span><span class="lines">@@ -235,6 +238,8 @@
</span><span class="cx">                                                                 foreach( $plugins['folder'] as $plugin_file =&gt; $data ) {
</span><span class="cx">                                                                         $plugin_info[ $plugin_file ] = _get_plugin_data_markup_translate( $plugin_file, $data );
</span><span class="cx">                                                                         $plugin_info[ $plugin_file ]['is_uninstallable'] = is_uninstallable_plugin( $plugin );
</span><ins>+                                                                        if ( ! $plugin_info[ $plugin_file ]['Network'] )
+                                                                                $have_non_network_plugins = true;
</ins><span class="cx">                                                                 }
</span><span class="cx">                                                         }
</span><span class="cx">                                                 }
</span><span class="lines">@@ -243,6 +248,9 @@
</span><span class="cx">                                         $plugins_to_delete = count( $plugin_info );
</span><span class="cx">                                         echo '&lt;h2&gt;' . _n( 'Delete Plugin', 'Delete Plugins', $plugins_to_delete ) . '&lt;/h2&gt;';
</span><span class="cx">                                 ?&gt;
</span><ins>+                                &lt;?php if ( $have_non_network_plugins &amp;&amp; is_network_admin() ) : ?&gt;
+                                &lt;div class=&quot;error&quot;&gt;&lt;p&gt;&lt;strong&gt;&lt;?php _e( 'Caution:' ); ?&gt;&lt;/strong&gt; &lt;?php echo _n( 'This plugin may be active on other sites in the network.', 'These plugins may be active on other sites in the network.', $plugins_to_delete ); ?&gt;&lt;/p&gt;&lt;/div&gt;
+                                &lt;?php endif; ?&gt;
</ins><span class="cx">                                 &lt;p&gt;&lt;?php echo _n( 'You are about to remove the following plugin:', 'You are about to remove the following plugins:', $plugins_to_delete ); ?&gt;&lt;/p&gt;
</span><span class="cx">                                         &lt;ul class=&quot;ul-disc&quot;&gt;
</span><span class="cx">                                                 &lt;?php
</span></span></pre>
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