function _path_breadcrumbs_ui_form_step_basic_settings_validate in Path Breadcrumbs 7.2

Same name and namespace in other branches

1. 7.3 path_breadcrumbs_ui/path_breadcrumbs_ui.module \_path_breadcrumbs_ui_form_step_basic_settings_validate()

Validate function for basic settings form (first step).

_state

Parameters

$form:

1 string reference to '_path_breadcrumbs_ui_form_step_basic_settings_validate'

_path_breadcrumbs_ui_form_step_basic_settings in path_breadcrumbs_ui/path_breadcrumbs_ui.module

FIRST STEP. Provide form with basic settings.

File

path_breadcrumbs_ui/path_breadcrumbs_ui.module, line 386

Provide user interface for CRUD operations with path breadcrumbs.

Code

function _path_breadcrumbs_ui_form_step_basic_settings_validate(&$form, &$form_state) {
  $path = explode('/', $form_state['values']['path']);
  $correct_path = array();
  foreach ($path as $position => $bit) {
    if (!($trimmed_bit = trim($bit))) {
      continue;
    }

    // Correct some mistakes that user might make.
    $correct_path[] = $trimmed_bit;
    if ($trimmed_bit[0] == '%' && $position == 0) {
      form_error($form['path'], t('The first element in a path may not be dynamic.'));
    }
  }

  // Save correct path.
  $form_state['values']['path'] = implode('/', $correct_path);
  $args = array();
  foreach ($correct_path as $position => $bit) {
    if ($bit[0] == '%' && drupal_strlen($bit) === 1) {
      form_error($form['path'], t('Invalid arg <em>%</em>. All arguments must be named with keywords.'));
    }
    elseif ($bit[0] == '%') {
      $args[substr($bit, 1)]['position'] = $position;
    }
  }
  $form_state['values']['keywords'] = $args;
}