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<?php
/**
* WooCommerce Gravity Forms Add-on: Add support for removing a field from the product description in the cart.
* 
*/
class WooGFRemoveFieldFromProductDescription {
    
    public function __construct() {
        
        add_action( 'gform_field_advanced_settings', array( $this, 'field_settings_ui' ), 10, 2 );
        add_action( 'gform_editor_js', array( $this, 'field_settings_js' ) );
        
        add_filter( 'woocommerce_get_item_data', array( $this, 'modify_item_data' ), 11, 2 );
        add_action( 'woocommerce_add_order_item_meta', array( $this, 'delete_order_item_meta' ), 11, 2 );
        
    }
    
    public function modify_item_data( $other_data, $cart_item ) {
        
        $form_id = rgars( $cart_item, '_gravity_form_data/id' );
        if( ! $form_id )
            return $other_data;
        
        $form = GFFormsModel::get_form_meta( $form_id );
        
        foreach( $form['fields'] as $field ) {
            
            if( ! rgar( $field, 'wgfrfEnable' ) )
                continue;
            
            // reindex array for next loop
            $other_data = array_values( $other_data );
            
            for( $i = count( $other_data ) - 1; $i >= 0; $i-- ) {
                if( $other_data[$i]['name'] == GFCommon::get_label( $field ) )
                    unset( $other_data[$i] );
            }
            
        }
        
        return $other_data;
    }
    
    public function delete_order_item_meta( $item_id, $cart_item ) {
        
        $form_id = rgars( $cart_item, '_gravity_form_data/id' );
        if( ! $form_id )
            return;
        
        $form = GFFormsModel::get_form_meta( $form_id );
        
        foreach( $form['fields'] as $field ) {
            
            if( ! rgar( $field, 'wgfrfEnable' ) )
                continue;
            
            woocommerce_delete_order_item_meta( $item_id, GFCommon::get_label( $field ) );
            
        }
        
    }
    
    public function field_settings_ui( $position ) {
        
        if( $position != 450 )
            return;
        
        ?>

        <li class="wgfrf-enable-setting field_setting">
            <input type="checkbox" id="wgfrf-enable" value="1" onclick="SetFieldProperty( 'wgfrfEnable', this.checked )">
            <label class="inline" for="wgfrf-enable">
                <?php _e( 'Remove This Field From WooCommerce Cart Item Description' ); ?>
            </label>
        </li>

        <?php
    }

    public function field_settings_js() {
        ?>

        <script type="text/javascript">
            (function($) {

                $(document).bind('gform_load_field_settings', function(event, field, form) {
                    $("#wgfrf-enable").attr( 'checked', field.wgfrfEnable == true );
                });
                
                for( inputType in fieldSettings ) {
                    if( fieldSettings.hasOwnProperty( inputType ) )
                        fieldSettings[inputType] += ', .wgfrf-enable-setting';
                }

            })(jQuery);
        </script>

        <?php
    }
    
}

new WooGFRemoveFieldFromProductDescription();