views_filters_reset.module in Views Hacks 6

File

views_filters_reset/views_filters_reset.module

<?php

/**
 * Implement hook_form_FORMID_alter() for views_exposed_form.
 */
function views_filters_reset_form_views_exposed_form_alter(&$form, &$form_state) {

  // Evaluate visibility.
  $enabled_views = variable_get('views_filters_reset', array());
  if (empty($enabled_views[$form_state['view']->name])) {
    return;
  }

  // Count all the active exposed filters. If none, do nothing.
  $active = 0;
  foreach ($form_state['view']->filter as $filter_id => $filter) {
    if (empty($filter->options['exposed'])) {
      continue;
    }
    $filter_element = $form['#info']["filter-{$filter_id}"]['value'];
    if (empty($filter_element)) {
      continue;
    }

    // VFS removes this.
    if (!empty($form[$filter_element]['#access']) || !isset($form[$filter_element]['#access'])) {
      $active++;
    }
  }
  if (!$active) {
    return;
  }
  drupal_add_js(drupal_get_path('module', 'views_filters_reset') . '/views_filters_reset.js');
  drupal_add_js('misc/jquery.form.js');
  $form['reset'] = array(
    '#type' => 'markup',
    '#value' => '<input ' . drupal_attributes(array(
      'id' => 'edit-reset',
      'type' => 'button',
      'value' => t('Reset'),
      'class' => 'form-submit',
    )) . ' />',
  );
  static $forms = array();
  if (!isset($forms[$form['#id']])) {
    drupal_add_js(array(
      'vfr' => array(
        $form['#id'] => $form['#parameters'][1]['view']->use_ajax ? FALSE : url($form['#parameters'][1]['view']
          ->get_url()),
      ),
    ), 'setting');
    $forms[$form['#id']] = TRUE;
  }
  $form['#parameters'][1]['view']->exposed_form_id = $form['#id'];
}

/**
 * Implement hook_ajax_data_alter().
 */
function views_filters_reset_ajax_data_alter(&$object, $type, $view) {
  if ($type == 'views' && $view->display_handler
    ->uses_exposed() && $view->display_handler
    ->get_option('exposed_block')) {
    $object->exposed_form = $view
      ->render_exposed_form(TRUE);
    $object->exposed_form_id = $view->exposed_form_id;
    $object->__callbacks[] = 'Drupal.vfr.ajaxViewResponse';
  }
}

/**
 * Implementation of hook_menu().
 */
function views_filters_reset_menu() {
  $items['admin/settings/views_filters_reset'] = array(
    'title' => 'Views Filters Reset',
    'description' => 'Configure which views support the reset functionality.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'views_filters_reset_settings',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
  );
  $items['admin/build/views/tools/filters_reset'] = array(
    'title' => 'Filters Reset',
    'description' => 'Configure which views support the reset functionality.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'views_filters_reset_settings',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
    'weight' => 5,
    'type' => MENU_LOCAL_TASK,
  );
  return $items;
}
function views_filters_reset_settings() {
  $views = views_get_all_views();
  $options = array();
  foreach ($views as $view) {
    $options[$view->name] = $view->name;
  }
  asort($options);
  $form['views_filters_reset'] = array(
    '#title' => t('Enable reset button for the following views'),
    '#type' => 'checkboxes',
    '#options' => $options,
    '#default_value' => variable_get('views_filters_reset', array()),
  );
  return system_settings_form($form);
}

Functions

Name	Description
views_filters_reset_ajax_data_alter	Implement hook_ajax_data_alter().
views_filters_reset_form_views_exposed_form_alter	Implement hook_form_FORMID_alter() for views_exposed_form.
views_filters_reset_menu	Implementation of hook_menu().
views_filters_reset_settings