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Add action "in_widget_form" allowing plugins to add extra fields, don't show "Save" button if a widget doesn't have settings form, fixes #9651 

git-svn-id: http://svn.automattic.com/wordpress/trunk@11155 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
azaozz 2009-05-02 00:21:16 +00:00
parent 31e805261c
commit aae118f16c
2 changed files with 11 additions and 5 deletions
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4
wp-admin/includes/widgets.php
View File

@ -166,7 +166,7 @@ function wp_widget_control( $sidebar_args ) {
unset($wp_registered_widgets[$widget_id]['_callback']);
$widget_title = wp_specialchars( strip_tags( $sidebar_args['widget_name'] ) );
$has_form = 0;
$has_form = 'noform';
echo $sidebar_args['before_widget']; ?>
<div class="widget-top">
@ -195,7 +195,7 @@ function wp_widget_control( $sidebar_args ) {
<div class="widget-control-actions">
<a class="button widget-control-remove alignleft" href="<?php echo $edit ? clean_url( add_query_arg( array( 'remove' => $id_format, 'key' => $key, '_wpnonce' => $nonce ) ) ) : '#remove'; ?>"><?php _e('Remove'); ?></a>
<?php if ( false !== $has_form ) { ?>
<?php if ( 'noform' !== $has_form ) { ?>
<input type="submit" name="savewidget" class="button-primary widget-control-save alignright" value="<?php _e('Save'); ?>" />
<?php } ?>
<br class="clear" />

12
wp-includes/widgets.php
View File

@ -65,7 +65,7 @@ class WP_Widget {
*/
function form($instance) {
echo '<p>' . __('There are no options for this widget.') . '</p>';
return false;
return 'noform';
}
// Functions you'll need to call.
@ -259,8 +259,14 @@ class WP_Widget {
// filters the widget admin form before displaying, return false to stop displaying it
$instance = apply_filters('widget_form_callback', $instance, $this);
if ( false !== $instance )
$this->form($instance);
$return = null;
if ( false !== $instance ) {
$return = $this->form($instance);
if ( 'noform' !== $return )
do_action_ref_array( 'in_widget_form', array(&$this) ); // add extra fields in the widget form
}
return $return;
}
/** Helper function: Registers a single instance. */