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733e7592c6
git-svn-id: http://svn.automattic.com/wordpress/trunk@10798 1a063a9b-81f0-0310-95a4-ce76da25c4cd
330 lines
11 KiB
PHP
330 lines
11 KiB
PHP
<?php
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/**
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* Widgets administration panel.
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/** WordPress Administration Bootstrap */
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require_once( 'admin.php' );
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/** WordPress Administration Widgets API */
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require_once(ABSPATH . 'wp-admin/includes/widgets.php');
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if ( ! current_user_can('switch_themes') )
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wp_die( __( 'Cheatin’ uh?' ));
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wp_enqueue_script( array( 'wp-lists', 'admin-widgets' ) );
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wp_admin_css( 'widgets' );
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do_action( 'sidebar_admin_setup' );
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$title = __( 'Widgets' );
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$parent_file = 'themes.php';
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// $sidebar = What sidebar are we editing?
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if ( isset($_GET['sidebar']) && isset($wp_registered_sidebars[$_GET['sidebar']]) ) {
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$sidebar = attribute_escape( $_GET['sidebar'] );
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} elseif ( is_array($wp_registered_sidebars) && !empty($wp_registered_sidebars) ) {
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// By default we look at the first defined sidebar
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$sidebar = array_shift( $keys = array_keys($wp_registered_sidebars) );
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} else {
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// If no sidebars, die.
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require_once( 'admin-header.php' );
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?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo wp_specialchars( $title ); ?></h2>
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<div class="error">
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<p><?php _e( 'No Sidebars Defined' ); ?></p>
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</div>
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<p><?php _e( 'The theme you are currently using isn’t widget-aware, meaning that it has no sidebars that you are able to change. For information on making your theme widget-aware, please <a href="http://codex.wordpress.org/Widgetizing_Themes">follow these instructions</a>.' ); ?></p>
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</div>
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<?php
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require_once( 'admin-footer.php' );
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exit;
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}
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// These are the widgets grouped by sidebar
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$sidebars_widgets = wp_get_sidebars_widgets();
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if ( empty( $sidebars_widgets ) )
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$sidebars_widgets = wp_get_widget_defaults();
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// for the sake of PHP warnings
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if ( empty( $sidebars_widgets[$sidebar] ) )
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$sidebars_widgets[$sidebar] = array();
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$http_post = 'post' == strtolower($_SERVER['REQUEST_METHOD']);
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// We're updating a sidebar
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if ( $http_post && isset($sidebars_widgets[$_POST['sidebar']]) ) {
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check_admin_referer( 'edit-sidebar_' . $_POST['sidebar'] );
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/* Hack #1
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* The widget_control is overloaded. It updates the widget's options AND echoes out the widget's HTML form.
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* Since we want to update before sending out any headers, we have to catch it with an output buffer,
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*/
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ob_start();
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/* There can be multiple widgets of the same type, but the widget_control for that
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* widget type needs only be called once if it's a multi-widget.
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*/
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$already_done = array();
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foreach ( $wp_registered_widget_updates as $name => $control ) {
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if ( in_array( $control['callback'], $already_done ) )
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continue;
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if ( is_callable( $control['callback'] ) ) {
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call_user_func_array( $control['callback'], $control['params'] );
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$control_output = ob_get_contents();
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if ( false !== strpos( $control_output, '%i%' ) ) // if it's a multi-widget, only call control function once.
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$already_done[] = $control['callback'];
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}
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ob_clean();
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}
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ob_end_clean();
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// Prophylactic. Take out empty ids.
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if ( isset($_POST['widget-id']) ) {
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foreach ( (array) $_POST['widget-id'] as $key => $val ) {
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if ( !$val )
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unset($_POST['widget-id'][$key]);
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}
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}
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// Reset the key numbering and store
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$new_sidebar = isset( $_POST['widget-id'] ) && is_array( $_POST['widget-id'] ) ? array_values( $_POST['widget-id'] ) : array();
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$sidebars_widgets[$_POST['sidebar']] = $new_sidebar;
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wp_set_sidebars_widgets( $sidebars_widgets );
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wp_redirect( add_query_arg( 'message', 'updated' ) );
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exit;
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}
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// What widget (if any) are we editing
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$edit_widget = -1;
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$query_args = array('add', 'remove', 'key', 'edit', '_wpnonce', 'message', 'base' );
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if ( isset($_GET['add']) && $_GET['add'] ) {
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// Add to the end of the sidebar
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$control_callback;
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if ( isset($wp_registered_widgets[$_GET['add']]) ) {
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check_admin_referer( "add-widget_$_GET[add]" );
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$sidebars_widgets[$sidebar][] = $_GET['add'];
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wp_set_sidebars_widgets( $sidebars_widgets );
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} elseif ( isset($_GET['base']) && isset($_GET['key']) ) { // It's a multi-widget
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check_admin_referer( "add-widget_$_GET[add]" );
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// Copy minimal info from an existing instance of this widget to a new instance
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foreach ( $wp_registered_widget_controls as $control ) {
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if ( $_GET['base'] === $control['id_base'] ) {
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$control_callback = $control['callback'];
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$num = (int) $_GET['key'];
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$control['params'][0]['number'] = $num;
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$control['id'] = $control['id_base'] . '-' . $num;
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$wp_registered_widget_controls[$control['id']] = $control;
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$sidebars_widgets[$sidebar][] = $control['id'];
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break;
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}
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}
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}
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// it's a multi-widget. The only way to add multi-widgets without JS is to actually submit POST content...
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// so here we go
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if ( is_callable( $control_callback ) ) {
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require_once( 'admin-header.php' );
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?>
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<div class="wrap">
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<h2><?php _e( 'Add Widget' ); ?></h2>
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<br />
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<form action="<?php echo clean_url( remove_query_arg( $query_args ) ); ?>" method="post">
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<ul class="widget-control-list">
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<li class="widget-list-control-item">
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<div class="widget-top">
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<h4 class="widget-title"><?php echo $control['name']; ?></h4>
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</div>
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<div class="widget-control" style="display: block;">
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<?php
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call_user_func_array( $control_callback, $control['params'] );
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?>
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<div class="widget-control-actions">
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<input type="submit" class="button" value="<?php _e( 'Add Widget' ); ?>" />
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<input type="hidden" id='sidebar' name='sidebar' value="<?php echo $sidebar; ?>" />
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<?php wp_nonce_field ( 'edit-sidebar_' . $sidebar );
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foreach ( $sidebars_widgets[$sidebar] as $sidebar_widget_id ) : ?>
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<input type="hidden" name='widget-id[]' value="<?php echo $sidebar_widget_id; ?>" />
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<?php endforeach; ?>
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</div>
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</div>
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</li>
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</ul>
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</form>
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</div>
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<?php
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require_once( 'admin-footer.php' );
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exit;
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}
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wp_redirect( remove_query_arg( $query_args ) );
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exit;
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} elseif ( isset($_GET['remove']) && $_GET['remove'] && isset($_GET['key']) && is_numeric($_GET['key']) ) {
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// Remove from sidebar the widget of type $_GET['remove'] and in position $_GET['key']
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$key = (int) $_GET['key'];
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if ( -1 < $key && ( $keys = array_keys($sidebars_widgets[$sidebar], $_GET['remove']) ) && in_array($key, $keys) ) {
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check_admin_referer( "remove-widget_$_GET[remove]" );
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unset($sidebars_widgets[$sidebar][$key]);
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$sidebars_widgets[$sidebar] = array_values($sidebars_widgets[$sidebar]);
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wp_set_sidebars_widgets( $sidebars_widgets );
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}
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wp_redirect( remove_query_arg( $query_args ) );
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exit;
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} elseif ( isset($_GET['edit']) && $_GET['edit'] && isset($_GET['key']) && is_numeric($_GET['key']) ) {
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// Edit widget of type $_GET['edit'] and position $_GET['key']
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$key = (int) $_GET['key'];
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if ( -1 < $key && ( $keys = array_keys($sidebars_widgets[$sidebar], $_GET['edit']) ) && in_array($key, $keys) )
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$edit_widget = $key;
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}
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// Total number of registered sidebars
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$sidebar_widget_count = count($sidebars_widgets[$sidebar]);
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// This is sort of lame since "widget" won't be converted to "widgets" in the JS
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if ( 1 < $sidebars_count = count($wp_registered_sidebars) )
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$sidebar_info_text = _n( 'You are using %1$s widget in the "%2$s" sidebar.', 'You are using %1$s widgets in the "%2$s" sidebar.', $sidebar_widget_count );
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else
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$sidebar_info_text = _n( 'You are using %1$s widget in the sidebar.', 'You are using %1$s widgets in the sidebar.', $sidebar_widget_count );
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$sidebar_info_text = sprintf( wp_specialchars( $sidebar_info_text ), "<span id='widget-count'>$sidebar_widget_count</span>", $wp_registered_sidebars[$sidebar]['name'] );
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$page = isset($_GET['apage']) ? abs( (int) $_GET['apage'] ) : 1;
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/* TODO: Paginate widgets list
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$page_links = paginate_links( array(
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'base' => add_query_arg( 'apage', '%#%' ),
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'format' => '',
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'total' => ceil(($total = 105 )/ 10),
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'current' => $page
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));
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*/
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$page_links = ' ';
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// Unsanitized!
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$widget_search = isset($_GET['s']) ? $_GET['s'] : false;
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// Not entirely sure what all should be here
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$show_values = array(
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'' => $widget_search ? __( 'Show any widgets' ) : __( 'Show all widgets' ),
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'unused' => __( 'Show unused widgets' ),
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'used' => __( 'Show used widgets' )
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);
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$show = isset($_GET['show']) && isset($show_values[$_GET['show']]) ? attribute_escape( $_GET['show'] ) : false;
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$messages = array(
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'updated' => __('Changes saved.')
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);
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require_once( 'admin-header.php' ); ?>
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<?php if ( isset($_GET['message']) && isset($messages[$_GET['message']]) ) : ?>
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<div id="message" class="updated fade"><p><?php echo $messages[$_GET['message']]; ?></p></div>
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<?php endif; ?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo wp_specialchars( $title ); ?></h2>
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<form id="widgets-filter" action="" method="get">
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<div class="widget-liquid-left-holder">
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<div id="available-widgets-filter" class="widget-liquid-left">
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<h3><label for="show"><?php _e('Available Widgets'); ?></label></h3>
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<div class="nav">
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<select name="show" id="show">
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<?php foreach ( $show_values as $show_value => $show_text ) : $show_value = attribute_escape( $show_value ); ?>
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<option value='<?php echo $show_value; ?>'<?php selected( $show_value, $show ); ?>><?php echo wp_specialchars( $show_text ); ?></option>
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<?php endforeach; ?>
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</select>
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<input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
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<p class="pagenav">
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<?php echo $page_links; ?>
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</p>
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</div>
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</div>
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</div>
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<div id="available-sidebars" class="widget-liquid-right">
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<h3><label for="sidebar-selector"><?php _e('Current Widgets'); ?></label></h3>
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<div class="nav">
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<select id="sidebar-selector" name="sidebar">
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<?php foreach ( $wp_registered_sidebars as $sidebar_id => $registered_sidebar ) : $sidebar_id = attribute_escape( $sidebar_id ); ?>
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<option value='<?php echo $sidebar_id; ?>'<?php selected( $sidebar_id, $sidebar ); ?>><?php echo wp_specialchars( $registered_sidebar['name'] ); ?></option>
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<?php endforeach; ?>
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</select>
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<input type="submit" value="<?php _e('Show' ); ?>" class="button-secondary" />
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</div>
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</div>
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</form>
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<div id="widget-content" class="widget-liquid-left-holder">
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<div id="available-widgets" class="widget-liquid-left">
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<?php wp_list_widgets( $show, $widget_search ); // This lists all the widgets for the query ( $show, $search ) ?>
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<div class="nav">
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<p class="pagenav">
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<?php echo $page_links; ?>
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</p>
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</div>
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</div>
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</div>
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<form id="widget-controls" action="" method="post">
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<div id="current-widgets-head" class="widget-liquid-right">
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<div id="sidebar-info">
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<p><?php echo $sidebar_info_text; ?></p>
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<p><?php _e( 'Add more from the Available Widgets section.' ); ?></p>
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</div>
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</div>
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<div id="current-widgets" class="widget-liquid-right">
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<div id="current-sidebar">
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<?php wp_list_widget_controls( $sidebar ); // Show the control forms for each of the widgets in this sidebar ?>
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</div>
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<p class="submit">
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<input type="hidden" id='sidebar' name='sidebar' value="<?php echo $sidebar; ?>" />
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<input type="hidden" id="generated-time" name="generated-time" value="<?php echo time() - 1199145600; // Jan 1, 2008 ?>" />
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<input type="submit" name="save-widgets" class="button-primary" value="<?php _e( 'Save Changes' ); ?>" />
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<?php
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wp_nonce_field( 'edit-sidebar_' . $sidebar );
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?>
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</p>
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</div>
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</form>
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<br class="clear" />
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</div>
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<?php do_action( 'sidebar_admin_page' ); ?>
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<?php require_once( 'admin-footer.php' ); ?>
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