public function views_matrix_plugin_style_matrix::canRender in Views Matrix 7

Same name and namespace in other branches

1. 8 includes/views_matrix_plugin_style_matrix.inc \views_matrix_plugin_style_matrix::canRender()

Validate row and colum header configuration set. This is only used during runtime. parent::validate() cannot be used because it breaks the Views UI.

File

includes/views_matrix_plugin_style_matrix.inc, line 259

Class definition for views matrix plugin.

Class

views_matrix_plugin_style_matrix

@class Views Plugin Class

Code

public function canRender() {
  $errors = parent::validate();
  if (empty($this->options['xconfig']['field']) || empty($this->options['yconfig']['field'])) {

    // Do not save without x field or y field.
    $errors[] = t('Style @style requires an x and y field to be defined.', array(
      '@style' => $this->definition['title'],
    ));
  }
  else {

    // Check if fields exist still.
    $options = $this->display->handler
      ->get_field_labels(TRUE);
    if (!isset($options[$this->options['xconfig']['field']]) || !isset($options[$this->options['yconfig']['field']])) {
      $errors[] = t('An x or y field is defined, but not does not exist.');
    }
  }
  return $errors;
}