<?php

/**

 * Edit plugin editor administration panel.

 *

 * @package WordPress

 * @subpackage Administration

 */

/** WordPress Administration Bootstrap */

if ( !current_user_can('edit_plugins') )

$title = __("Edit Plugins");

$parent_file = 'plugins.php';

wp_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file', 'plugin'));

if ( isset($_REQUEST['file']) )

	$plugin = stripslashes($_REQUEST['file']);

if ( empty($plugin) ) {

	$plugin = array_keys($plugins);

	$plugin = $plugin[0];

}

$plugin_files = get_plugin_files($plugin);

if ( empty($file) )

	$file = $plugin_files[0];

else

	$file = stripslashes($file);

$file = validate_file_to_edit($file, $plugin_files);

$real_file = WP_PLUGIN_DIR . '/' . $file;

$scrollto = isset($_REQUEST['scrollto']) ? (int) $_REQUEST['scrollto'] : 0;

switch ( $action ) {

case 'update':

	check_admin_referer('edit-plugin_' . $file);

	$newcontent = stripslashes($_POST['newcontent']);

	if ( is_writeable($real_file) ) {

		$f = fopen($real_file, 'w+');

		fwrite($f, $newcontent);

		fclose($f);

		// Deactivate so we can test it.

		if ( is_plugin_active($file) || isset($_POST['phperror']) ) {

			if ( is_plugin_active($file) )

				deactivate_plugins($file, true);

			exit;

		}

	} else {

	}

	exit;

break;

default:

	if ( isset($_GET['liveupdate']) ) {

		check_admin_referer('edit-plugin-test_' . $file);

		$error = validate_plugin($file);

		if ( is_wp_error($error) )

			wp_die( $error );

		exit;

	}

	// List of allowable extensions

	$editable_extensions = array('php', 'txt', 'text', 'js', 'css', 'html', 'htm', 'xml', 'inc', 'include');

	$editable_extensions = (array) apply_filters('editable_extensions', $editable_extensions);

	if ( ! is_file($real_file) ) {

		wp_die(sprintf('<p>%s</p>', __('No such file exists! Double check the name and try again.')));

	} else {

		// Get the extension of the file

		if ( preg_match('/\.([^.]+)$/', $real_file, $matches) ) {

			$ext = strtolower($matches[1]);

			// If extension is not in the acceptable list, skip it

			if ( !in_array( $ext, $editable_extensions) )

				wp_die(sprintf('<p>%s</p>', __('Files of this type are not editable.')));

		}

	}

	update_recently_edited(WP_PLUGIN_DIR . '/' . $file);

	$content = file_get_contents( $real_file );

	if ( '.php' == substr( $real_file, strrpos( $real_file, '.' ) ) ) {

		$functions = wp_doc_link_parse( $content );

		if ( !empty($functions) ) {

			$docs_select = '<select name="docs-list" id="docs-list">';

			foreach ( $functions as $function) {

			}

			$docs_select .= '</select>';

		}

	}

	?>

<?php if (isset($_GET['a'])) : ?>

<?php elseif (isset($_GET['phperror'])) : ?>

	<?php

		if ( wp_verify_nonce($_GET['_error_nonce'], 'plugin-activation-error_' . $file) ) { ?>

	<iframe style="border:0" width="100%" height="70px" src="<?php bloginfo('wpurl'); ?>/wp-admin/plugins.php?action=error_scrape&amp;plugin=<?php echo esc_attr($file); ?>&amp;_wpnonce=<?php echo esc_attr($_GET['_error_nonce']); ?>"></iframe>

	<?php } ?>

</div>

<?php endif; ?>

<div class="wrap">

<?php screen_icon(); ?>

<h2><?php echo esc_html( $title ); ?></h2>

<div class="fileedit-sub">

<div class="alignleft">

<big><?php

	if ( is_plugin_active($plugin) ) {

		if ( is_writeable($real_file) )

			echo sprintf(__('Editing <strong>%s</strong> (active)'), $file);

		else

			echo sprintf(__('Browsing <strong>%s</strong> (active)'), $file);

	} else {

		if ( is_writeable($real_file) )

			echo sprintf(__('Editing <strong>%s</strong> (inactive)'), $file);

		else

			echo sprintf(__('Browsing <strong>%s</strong> (inactive)'), $file);

	}

	?></big>

</div>

<div class="alignright">

	<form action="plugin-editor.php" method="post">

		<strong><label for="plugin"><?php _e('Select plugin to edit:'); ?> </label></strong>

		<select name="plugin" id="plugin">

<?php

	foreach ( $plugins as $plugin_key => $a_plugin ) {

		$plugin_name = $a_plugin['Name'];

		if ( $plugin_key == $plugin )

			$selected = " selected='selected'";

		else

			$selected = '';

		$plugin_name = esc_attr($plugin_name);

		$plugin_key = esc_attr($plugin_key);

		echo "\n\t<option value=\"$plugin_key\" $selected>$plugin_name</option>";

	}

?>

		</select>

	</form>

</div>

<br class="clear" />

</div>

<div id="templateside">

	<h3><?php _e('Plugin Files'); ?></h3>

	<ul>

<?php

foreach ( $plugin_files as $plugin_file ) :

	// Get the extension of the file

	if ( preg_match('/\.([^.]+)$/', $plugin_file, $matches) ) {

		$ext = strtolower($matches[1]);

		// If extension is not in the acceptable list, skip it

		if ( !in_array( $ext, $editable_extensions ) )

			continue;

	} else {

		// No extension found

		continue;

	}

?>

<?php endforeach; ?>

	</ul>

</div>

<form name="template" id="template" action="plugin-editor.php" method="post">

	<?php wp_nonce_field('edit-plugin_' . $file) ?>

		<input type="hidden" name="action" value="update" />

		<input type="hidden" name="file" value="<?php echo esc_attr($file) ?>" />

		<input type="hidden" name="plugin" value="<?php echo esc_attr($plugin) ?>" />

		<input type="hidden" name="scrollto" id="scrollto" value="<?php echo $scrollto; ?>" />

		</div>

		<?php if ( !empty( $docs_select ) ) : ?>

		<?php endif; ?>

<?php if ( is_writeable($real_file) ) : ?>

	<?php } ?>

	<p class="submit">

	<?php

	?>

	</p>

<?php else : ?>

	<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="http://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>

<?php endif; ?>

</form>

<br class="clear" />

</div>

<script type="text/javascript">

/* <![CDATA[ */

jQuery(document).ready(function($){

	$('#template').submit(function(){ $('#scrollto').val( $('#newcontent').scrollTop() ); });

	$('#newcontent').scrollTop( $('#scrollto').val() );

});

/* ]]> */

</script>

<?php

	break;

}