pluginDirectory = $this->get_gf_install_path(); $this->instanceCounter = 0; $this->calculate_row_and_column_count( $form ); // Stores form legacy value for ul/li (1), or divs (2) layout $this->gfLegacyVersion = isset( $form['markupVersion'] ) ? (int) $form['markupVersion'] : 1; $this->structure_form_elements(); } catch ( Exception $e ) { error_log( $e->getMessage() ); } } /** * @throws Exception */ private function get_gf_install_path() { if ( file_exists( WP_PLUGIN_DIR . '/gravityforms/gravityforms.php' ) ) { return ( WP_PLUGIN_DIR . '/gravityforms/gravityforms.php' ); } else if ( file_exists( WPMU_PLUGIN_DIR . '/gravityforms/gravityforms.php' ) ) { return ( WPMU_PLUGIN_DIR . '/gravityforms/gravityforms.php' ); } throw new Exception( 'Gravity Forms Multiple Columns cannot locate Gravity Forms plugin. Abort processing.' ); } private function calculate_row_and_column_count( $form ) { $rowCount = 1; $columnCount = 0; foreach ( $form['fields'] as $formField ) { if ( $formField['type'] === 'column_start' ) { // Determine counters based on form state $columnCount = 1; } elseif ( $formField['type'] === 'column_break' ) { $columnCount ++; } elseif ( $formField['type'] === 'column_end' ) { $this->rowColumnArray[ $rowCount ] = $columnCount; $rowCount ++; } } } private function structure_form_elements() { $this->instanceCounter ++; $this->rowCounter = 1; $this->columnCounter = 0; $gfInstallation = get_plugin_data( $this->pluginDirectory ); $gravityFormsVersion = $gfInstallation['Version']; if ( substr_count( $gravityFormsVersion, '.' ) > 1 ) { $lastPeriod = strrpos( $gravityFormsVersion, '.' ) - 1; $gravityFormsVersion = (float) substr( $gravityFormsVersion, 0, strlen ( $gravityFormsVersion ) - $lastPeriod ); } else { $gravityFormsVersion = (float) $gravityFormsVersion; } if ( $gravityFormsVersion >= 2.5 && $this->gfLegacyVersion == 2 ) { add_filter( 'gform_field_container', array ( $this, 'define_output_elements_2_5' ), 10, 6 ); } else { add_filter( 'gform_field_container', array ( $this, 'define_output_elements' ), 10, 6 ); } } public function define_output_elements( $field_container, $field ) { if ( $this->is_gfmc_field_type( $field->type ) ) { $cssClass = $field->cssClass !== '' ? ' ' . esc_attr ($field->cssClass) : ''; // Eliminate division by zero error $divisor = ( isset( $this->rowColumnArray[ $this->rowCounter ] ) > 0 ) ? $this->rowColumnArray[ $this->rowCounter ] : 1; $widthPercentage = floor( 100 / $divisor ); if ( $field->type === 'column_start' ) { $this->columnCounter ++; $htmlOutput = '

'; return $htmlOutput; } if ( $field->type === 'column_break' ) { $this->columnCounter ++; $htmlOutput = '

'; return $htmlOutput; } if ( $field->type === 'column_end' ) { $this->columnCounter = 0; $this->rowCounter ++; return ( '

' ); } if ( $field->type === 'row_break' || $field->type === 'page' ) { $this->columnCounter = 0; return '

'; } private function generate_break_in_row( $cssClass, $columnWidthCount, $columnWidth, $setWidth = false ) { $cssClass = !(isset($cssClass)) ? '' : $cssClass; $this->columnCounter ++; return '

'; } private function generate_end_of_row() { $this->columnCounter = 0; if ( isset( $this->rowColumnArray[ $this->rowCounter + 1 ] ) ) { $this->rowCounter ++; } return ( '