Add and delete WP 2.5 files. *DON'T SVN UPDATE!*

git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@1214 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 269 insertions, 0 deletions

diff --git a/wp-admin/includes/widgets.php b/wp-admin/includes/widgets.php
new file mode 100644
index 0000000..4523b24
--- /dev/null
+++ b/wp-admin/includes/widgets.php
@@ -0,0 +1,269 @@
+<?php
+
+// $_search is unsanitized
+function wp_list_widgets( $show = 'all', $_search = false ) {
+	global $wp_registered_widgets, $sidebars_widgets;
+	if ( $_search ) {
+		// sanitize
+		$search = preg_replace( '/[^\w\s]/', '', $_search );
+		// array of terms
+		$search_terms = preg_split( '/[\s]/', $search, -1, PREG_SPLIT_NO_EMPTY );
+	} else {
+		$search_terms = array();
+	}
+
+	if ( !in_array( $show, array( 'all', 'unused', 'used' ) ) )
+		$show = 'all';
+?>
+
+	<ul id='widget-list'>
+		<?php
+		$no_widgets_shown = true;
+		$already_shown = array();
+		foreach ( $wp_registered_widgets as $name => $widget ) :
+			if ( in_array( $widget['callback'], $already_shown ) ) // We already showed this multi-widget
+				continue;
+
+			if ( $search_terms ) {
+				$hit = false;
+				// Simple case-insensitive search.  Boolean OR.
+				$search_text = preg_replace( '/[^\w]/', '', $widget['name'] );
+				if ( isset($widget['description']) )
+					$search_text .= preg_replace( '/[^\w]/', '', $widget['description'] );
+
+				foreach ( $search_terms as $search_term ) {
+					if ( stristr( $search_text, $search_term ) ) {
+						$hit = true;
+						break;
+					}
+				}
+				if ( !$hit )
+					continue;
+			}
+
+			$sidebar = is_active_widget( $widget['callback'], $widget['id'] );
+
+			if ( ( 'unused' == $show && $sidebar ) || ( 'used' == $show && !$sidebar ) )
+				continue;
+
+			ob_start();
+				$args = wp_list_widget_controls_dynamic_sidebar( array( 0 => array( 'widget_id' => $widget['id'], 'widget_name' => $widget['name'], '_display' => 'template' ) ) );
+				$sidebar_args = call_user_func_array( 'wp_widget_control', $args );
+			$widget_control_template = ob_get_contents();
+			ob_end_clean();
+
+			$is_multi = false !== strpos( $widget_control_template, '%i%' );
+			if ( !$sidebar || $is_multi ) {
+				if ( $is_multi )
+					$already_shown[] = $widget['callback']; // it's a multi-widget.  We only need to show it in the list once.
+				$action = 'add';
+				$add_url = wp_nonce_url( add_query_arg( array(
+					'sidebar' => $sidebar,
+					'add' => $widget['id'],
+					'key' => false,
+					'edit' => false
+				) ), "add-widget_$widget[id]" );
+			} else {
+				$action = 'edit';
+				$edit_url = clean_url( add_query_arg( array(
+					'sidebar' => $sidebar,
+					'edit' => $widget['id'],
+					'key' => array_search( $widget['id'], $sidebars_widgets[$sidebar] ),
+				) ) );
+				
+				$widget_control_template = '<textarea rows="1" cols="1">' . htmlspecialchars( $widget_control_template ) . '</textarea>';
+			}
+
+			$widget_control_template = $sidebar_args['before_widget'] . $widget_control_template . $sidebar_args['after_widget'];
+
+			$no_widgets_shown = false;
+
+		?>
+
+		<li id="widget-list-item-<?php echo attribute_escape( $widget['id'] ); ?>" class="widget-list-item">
+			<h4 class="widget-title widget-draggable">
+
+				<?php echo wp_specialchars( $widget['name'] ); ?>
+
+				<?php if ( 'add' == $action ) : ?>
+
+				<a class="widget-action widget-control-add" href="<?php echo $add_url; ?>"><?php _e( 'Add' ); ?></a>
+
+				<?php elseif ( 'edit' == $action ) :
+					// We echo a hidden edit link for the sake of the JS.  Edit links are shown (needlessly?) after a widget is added.
+				?>
+
+				<a class="widget-action widget-control-edit" href="<?php echo $edit_url; ?>" style="display: none;"><?php _e( 'Edit' ); ?></a>
+
+				<?php endif; ?>
+
+			</h4>
+
+
+			<ul id="widget-control-info-<?php echo $widget['id']; ?>" class="widget-control-info">
+
+				<?php echo $widget_control_template; ?>
+
+			</ul>
+
+			<?php if ( 'add' == $action ) : ?>
+			<?php endif; ?>
+
+			<div class="widget-description">
+				<?php echo ( $widget_description = wp_widget_description( $widget['id'] ) ) ? $widget_description : '&nbsp;'; ?>
+			</div>
+
+			<br class="clear" />
+
+		</li>
+
+		<?php endforeach; if ( $no_widgets_shown ) : ?>
+
+		<li><?php _e( 'No matching widgets' ); ?></li>
+
+		<?php endif; ?>
+
+	</ul>
+<?php
+}
+
+
+
+function wp_list_widget_controls( $sidebar ) {
+	add_filter( 'dynamic_sidebar_params', 'wp_list_widget_controls_dynamic_sidebar' );
+?>
+
+	<ul class="widget-control-list">
+
+		<?php if ( !dynamic_sidebar( $sidebar ) ) echo "<li />"; ?>
+
+	</ul>
+
+<?php
+}
+
+
+function wp_list_widget_controls_dynamic_sidebar( $params ) {
+	global $wp_registered_widgets;
+	static $i = 0;
+	$i++;
+
+	$widget_id = $params[0]['widget_id'];
+
+	$params[0]['before_widget'] = "<li id='widget-list-control-item-$i-$widget_id' class='widget-list-control-item widget-sortable'>\n";
+	$params[0]['after_widget'] = "</li>";
+	$params[0]['before_title'] = "%BEG_OF_TITLE%";
+	$params[0]['after_title'] = "%END_OF_TITLE%";
+	if ( is_callable( $wp_registered_widgets[$widget_id]['callback'] ) ) {
+		$wp_registered_widgets[$widget_id]['_callback'] = $wp_registered_widgets[$widget_id]['callback'];
+		$wp_registered_widgets[$widget_id]['callback'] = 'wp_widget_control';
+	}
+	return $params;
+}
+
+/*
+ * Meta widget used to display the control form for a widget.  Called from dynamic_sidebar()
+ */
+function wp_widget_control( $sidebar_args ) {
+	global $wp_registered_widgets, $wp_registered_widget_controls, $sidebars_widgets, $edit_widget;
+	$widget_id = $sidebar_args['widget_id'];
+	$sidebar_id = isset($sidebar_args['id']) ? $sidebar_args['id'] : false;
+
+	$control = $wp_registered_widget_controls[$widget_id];
+	$widget  = $wp_registered_widgets[$widget_id];
+
+	$key = $sidebar_id ? array_search( $widget_id, $sidebars_widgets[$sidebar_id] ) : 'no-key'; // position of widget in sidebar
+
+	$edit = $edit_widget > 0 && $key && $edit_widget == $key; // (bool) are we currently editing this widget
+
+	$id_format = $widget['id'];
+	// We aren't showing a widget control, we're outputing a template for a mult-widget control
+	if ( 'template' == $sidebar_args['_display'] && isset($control['params'][0]['number']) ) {
+		// number == -1 implies a template where id numbers are replaced by a generic '%i%'
+		$control['params'][0]['number'] = -1;
+		// if given, id_base means widget id's should be constructed like {$id_base}-{$id_number}
+		if ( isset($control['id_base']) )
+			$id_format = $control['id_base'] . '-%i%';
+	}
+
+	$widget_title = '';
+	// We grab the normal widget output to find the widget's title
+	if ( is_callable( $widget['_callback'] ) ) {
+		ob_start();
+		$args = func_get_args();
+		call_user_func_array( $widget['_callback'], $args );
+		$widget_title = ob_get_clean();
+		$widget_title = wp_widget_control_ob_filter( $widget_title );
+	}
+	$wp_registered_widgets[$widget_id]['callback'] = $wp_registered_widgets[$widget_id]['_callback'];
+	unset($wp_registered_widgets[$widget_id]['_callback']);
+
+	if ( $widget_title )
+		$widget_title = sprintf( _c('%1$s: %2$s|widget_admin_title' ), $sidebar_args['widget_name'], $widget_title );
+	else
+		$widget_title = wp_specialchars( strip_tags( $sidebar_args['widget_name'] ) );
+
+
+	if ( empty($sidebar_args['_display']) || 'template' != $sidebar_args['_display'] )
+		echo $sidebar_args['before_widget'];
+?>
+		<h4 class="widget-title"><?php echo $widget_title ?>
+
+			<?php if ( $edit ) : ?>
+
+			<a class="widget-action widget-control-edit" href="<?php echo remove_query_arg( array( 'edit', 'key' ) ); ?>"><?php _e('Cancel'); ?></a>
+
+			<?php else : ?>
+
+			<a class="widget-action widget-control-edit" href="<?php echo clean_url( add_query_arg( array( 'edit' => $id_format, 'key' => $key ) ) ); ?>"><?php _e('Edit'); ?></a>
+
+			<?php endif; ?>
+
+		</h4>
+
+		<div class="widget-control"<?php if ( $edit ) echo ' style="display: block;"'; ?>>
+
+			<?php
+			if ( $control )
+				call_user_func_array( $control['callback'], $control['params'] );
+			else
+				echo '<p>' . __('There are no options for this widget.') . '</p>';
+			?>
+
+			<input type="hidden" name="widget-id[]" value="<?php echo $id_format; ?>" />
+			<input type="hidden" class="widget-width" value="<?php echo $control['width']; ?>" />
+
+			<div class="widget-control-actions">
+
+				<?php if ( $control ) : ?>
+
+				<a class="widget-action widget-control-save wp-no-js-hidden edit alignleft" href="#save:<?php echo $id_format; ?>"><?php _e('Change'); ?></a>
+
+				<?php endif; ?>
+
+				<a class="widget-action widget-control-remove delete alignright" href="<?php echo clean_url( add_query_arg( array( 'remove' => $id_format, 'key' => $key ), wp_nonce_url( null, "remove-widget_$widget[id]" ) ) ); ?>"><?php _e('Remove'); ?></a>
+				<br class="clear" />
+			</div>
+		</div>
+<?php
+	if ( empty($sidebar_args['_display']) || 'template' != $sidebar_args['_display'] )
+		echo $sidebar_args['after_widget'];
+	return $sidebar_args;
+}
+
+function wp_widget_control_ob_filter( $string ) {
+	if ( false === $beg = strpos( $string, '%BEG_OF_TITLE%' ) )
+		return '';
+	if ( false === $end = strpos( $string, '%END_OF_TITLE%' ) )
+		return '';
+	$string = substr( $string, $beg + 14 , $end - $beg - 14);
+	return wp_specialchars( strip_tags( $string ) );
+}
+
+function widget_css() {
+	wp_admin_css( 'css/widgets' );
+}
+
+add_action( 'admin_head', 'widget_css' );
+
+?>