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Source View: in_widget_form

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Line Code
264
265           // filters the widget admin form before displaying, return false to stop displaying it
266           $instance = apply_filters('widget_form_callback', $instance, $this);
267
268           $return = null;
269           if ( false !== $instance ) {
270                $return = $this->form($instance);
271                // add extra fields in the widget form - be sure to set $return to null if you add any
272                // if the widget has no form the text echoed from the default form method can be hidden using css
273                do_action_ref_array( 'in_widget_form', array(&$this, &$return, $instance) );
274           }
275           return $return;
276      }
277
278      /** Helper function: Registers a single instance. */
279      function _register_one($number = -1) {
280           wp_register_sidebar_widget(     $this->id, $this->name,     $this->_get_display_callback(), $this->widget_options, array( 'number' => $number ) );
281           _register_widget_update_callback( $this->id_base, $this->_get_update_callback(), $this->control_options, array( 'number' => -1 ) );
282           _register_widget_form_callback(     $this->id, $this->name,     $this->_get_form_callback(), $this->control_options, array( 'number' => $number ) );