function custom_search_form_alter in Custom Search 7

Same name and namespace in other branches
8 custom_search.module \custom_search_form_alter()
6 custom_search.module \custom_search_form_alter()
File

./custom_search.module, line 92: Bring customizations to the default search box
Code

function custom_search_form_alter(&$form, &$form_state, $form_id) {

  // Filter the form_id value to identify all the custom blocks.
  $form_id_processed = $form_id;
  $delta = '';
  for ($a = 1; $a <= variable_get('custom_search_blocks_number', 1); $a++) {
    if ($form_id == 'custom_search_blocks_form_' . $a) {
      $form_id_processed = 'custom_search_blocks_form';
      $delta = 'blocks_' . $a . '_';
    }
  }
  switch ($form_id_processed) {
    case 'search_form':
      if (isset($form['module']) && $form['module']['#value'] == 'node') {
        if (isset($form['advanced']) && variable_get('custom_search_results_advanced_search', TRUE)) {

          // Reprocess the key value for later uses.
          $search_args = array(
            'keys' => array(),
            'criteria' => array(
              'phrase' => '',
              'negative' => array(),
            ),
            'types' => array(),
            'languages' => array(),
          );
          $phrase_pos = strpos($form['basic']['keys']['#default_value'], '"');
          if ($phrase_pos !== FALSE) {
            $phrase_pos_end = strpos($form['basic']['keys']['#default_value'], '"', $phrase_pos + 1);
            $search_args['criteria']['phrase'] = substr($form['basic']['keys']['#default_value'], $phrase_pos + 1, $phrase_pos_end - $phrase_pos - 1);
            $form['basic']['keys']['#default_value'] = str_replace('"' . $search_args['criteria']['phrase'] . '"', '', $form['basic']['keys']['#default_value']);
          }
          $search_key_array = explode(' ', $form['basic']['keys']['#default_value']);
          foreach ($search_key_array as $key) {
            $arg = explode(':', $key);
            if (count($arg) == 2) {
              switch ($arg[0]) {
                case 'type':
                  $search_args['types'] = explode(',', $arg[1]);
                  break;
                case 'language':
                  $search_args['languages'] = explode(',', $arg[1]);
                  break;
                default:
                  $search_args['keys'][] = $arg[1];
              }
            }
            else {
              if ($arg[0] != '') {
                if ($arg[0][0] == '-') {
                  $search_args['criteria']['negative'][] = substr($arg[0], 1);
                }
                else {
                  $search_args['keys'][] = $arg[0];
                }
              }
            }
          }

          // Criteria.
          if (!variable_get('custom_search_advanced_or_display', TRUE)) {
            $form['advanced']['keywords']['or']['#type'] = 'hidden';
          }
          if (!variable_get('custom_search_advanced_phrase_display', TRUE)) {
            $form['advanced']['keywords']['phrase']['#type'] = 'hidden';
          }
          if (!variable_get('custom_search_advanced_negative_display', TRUE)) {
            $form['advanced']['keywords']['negative']['#type'] = 'hidden';
          }
          $form['advanced']['keywords']['phrase']['#default_value'] = $search_args['criteria']['phrase'];
          $form['advanced']['keywords']['negative']['#default_value'] = implode(' ', $search_args['criteria']['negative']);

          // Content types.
          $names = array_keys(node_type_get_names());
          foreach ($names as $name) {
            if (!variable_get('custom_search_advanced_type_' . $name . '_display', TRUE)) {
              unset($form['advanced']['type']['#options'][$name]);
            }
          }
          if (!count($form['advanced']['type']['#options'])) {
            unset($form['advanced']['type']['#type']);
          }
          else {
            $form['advanced']['type']['#default_value'] = $search_args['types'];
          }

          // Languages.
          foreach (language_list('language') as $key => $entity) {
            if ($entity->enabled) {
              $language_options[$key] = $entity->name;
            }
          }

          // Add Language neutral to the list.
          $form['advanced']['language']['#options']['und'] = t('Language neutral');
          $language_options['und'] = t('Language neutral');
          foreach ($language_options as $key => $name) {
            if (!variable_get('custom_search_advanced_language_' . $key . '_display', TRUE)) {
              unset($form['advanced']['language']['#options'][$key]);
            }
          }
          if (!count($form['advanced']['language']['#options'])) {
            unset($form['advanced']['language']['#type']);
          }
          else {
            $form['advanced']['language']['#default_value'] = $search_args['languages'];
          }

          // Remove unnecessary args from keys.
          $form['basic']['keys']['#default_value'] = implode(' ', $search_args['keys']);
        }
        if (!variable_get('custom_search_results_search', TRUE)) {
          if (isset($form['basic']['keys'])) {

            // If basic search is hidden, import terms into advanced search.
            $original_keys = $form['basic']['keys']['#default_value'];
            $temp_keys = explode(' ', $original_keys);
            foreach ($temp_keys as $value) {
              if (drupal_substr($value, 0, 5) != 'type:' && drupal_substr($value, 0, 5) != 'term:') {
                $keys[] = $value;
              }
            }
            $form['advanced']['keywords']['or']['#default_value'] = implode(' ', $search_args['keys']);
          }
          if (!isset($GLOBALS['custom_search_nb_results']) || isset($GLOBALS['custom_search_nb_results']) && !$GLOBALS['custom_search_nb_results']) {
            $form['advanced']['#collapsed'] = FALSE;
          }
          $form['basic']['#prefix'] = '<div class="element-invisible">';
          $form['basic']['#suffix'] = '</div>';
        }
        $form['advanced']['#collapsible'] = variable_get('custom_search_results_advanced_search_collapsible', TRUE);
        $form['advanced']['#collapsed'] = variable_get('custom_search_results_advanced_search_collapsed', TRUE);
        if (!variable_get('custom_search_results_advanced_search', TRUE)) {
          $form['advanced']['#type'] = 'hidden';
        }
      }
      break;
    case 'search_theme_form':
    case 'search_block_form':
    case 'custom_search_blocks_form':
      if (user_access('use custom search')) {

        // Title.
        $form[$form_id]['#title'] = variable_get('custom_search_' . $delta . 'label', CUSTOM_SEARCH_LABEL_DEFAULT);
        $form[$form_id]['#title_display'] = !variable_get('custom_search_' . $delta . 'label_visibility', FALSE) ? 'invisible' : 'before';

        // Search box.
        if (module_exists('elements') && variable_get('custom_search_' . $delta . 'element', 'textfield') != 'textfield') {
          $form[$form_id]['#type'] = variable_get('custom_search_' . $delta . 'element', 'textfield');
        }
        $form[$form_id]['#weight'] = variable_get('custom_search_' . $delta . 'search_box_weight', 0);
        $form[$form_id]['#size'] = variable_get('custom_search_' . $delta . 'size', CUSTOM_SEARCH_SIZE_DEFAULT);
        $form[$form_id]['#maxlength'] = variable_get('custom_search_' . $delta . 'max_length', CUSTOM_SEARCH_MAX_LENGTH_DEFAULT);
        if (!isset($form[$form_id]['#attributes'])) {
          $form[$form_id]['#attributes'] = array(
            'class' => array(),
          );
        }
        elseif (!isset($form[$form_id]['#attributes']['class'])) {
          $form[$form_id]['#attributes']['class'] = array();
        }
        $form[$form_id]['#attributes']['class'][] = 'custom-search-box';
        $form[$form_id]['#attributes']['placeholder'] = variable_get('custom_search_' . $delta . 'text', '');
        $form[$form_id]['#attributes']['title'] = variable_get('custom_search_' . $delta . 'hint_text', CUSTOM_SEARCH_HINT_TEXT_DEFAULT);

        // CSS.
        drupal_add_css(drupal_get_path('module', 'custom_search') . '/custom_search.css');

        // Criteria.
        $criteria = array(
          'or' => 6,
          'phrase' => 7,
          'negative' => 8,
        );
        foreach ($criteria as $c => $w) {
          if (variable_get('custom_search_' . $delta . 'criteria_' . $c . '_display', FALSE)) {
            $form['custom_search_criteria_' . $c] = array(
              '#type' => 'textfield',
              '#title' => variable_get('custom_search_' . $delta . 'criteria_' . $c . '_label', constant('CUSTOM_SEARCH_CRITERIA_' . strtoupper($c) . '_LABEL_DEFAULT')),
              '#size' => 15,
              '#maxlength' => 255,
              '#weight' => variable_get('custom_search_' . $delta . 'criteria_' . $c . '_weight', $w),
            );
          }
        }

        // Content type & other searches.
        // Content types.
        $toptions = array();
        $types = array_keys(array_filter(variable_get('custom_search_' . $delta . 'node_types', array())));
        if (count($types)) {
          $names = node_type_get_names();
          if (count($types) > 1 || variable_get('custom_search_' . $delta . 'any_force', FALSE)) {
            $toptions['c-all'] = variable_get('custom_search_' . $delta . 'type_selector_all', CUSTOM_SEARCH_ALL_TEXT_DEFAULT);
          }
          foreach ($types as $type) {
            $toptions['c-' . $type] = t($names[$type]);
          }
        }
        $options = array();

        // Other searches.
        $others = array_keys(array_filter(variable_get('custom_search_' . $delta . 'other', array())));

        // If content types and other searches are combined, make an optgroup.
        if (count($others) && count($toptions) && variable_get('custom_search_' . $delta . 'type_selector', 'select') == 'select') {
          $content = module_invoke('node', 'search_info');
          $options[$content['title']] = $toptions;
        }
        else {
          $options = $toptions;
        }
        foreach (module_implements('search_info') as $module) {
          if ($module != 'node' && ($name = module_invoke($module, 'search_info'))) {
            if (in_array($module, $others)) {
              $options['o-' . $module] = t($name['title']);
            }
          }
        }
        if (count($options)) {
          $selector_type = variable_get('custom_search_' . $delta . 'type_selector', 'select');
          if ($selector_type == 'selectmultiple') {
            $selector_type = 'select';
            $multiple = TRUE;
          }
          else {
            $multiple = FALSE;
          }
          $form['custom_search_types'] = array(
            '#type' => $selector_type,
            '#multiple' => $multiple,
            '#title' => variable_get('custom_search_' . $delta . 'type_selector_label', CUSTOM_SEARCH_TYPE_SELECTOR_LABEL_DEFAULT),
            '#options' => $options,
            '#default_value' => variable_get('custom_search_' . $delta . 'type_selector', 'select') == 'checkboxes' ? array(
              'c-all',
            ) : 'c-all',
            '#attributes' => array(
              'class' => array(
                'custom-search-selector',
                'custom-search-types',
              ),
            ),
            '#weight' => variable_get('custom_search_' . $delta . 'content_types_weight', 1),
            '#validated' => TRUE,
          );

          // If there's only one type, hide the selector.
          if (count($others) + count($types) == 1 && !variable_get('custom_search_' . $delta . 'any_force', FALSE)) {
            $form['custom_search_types']['#type'] = 'hidden';
            $form['custom_search_types']['#default_value'] = key(array_slice($options, count($options) - 1));
          }
          if (!variable_get('custom_search_' . $delta . 'type_selector_label_visibility', TRUE)) {
            $form['custom_search_types']['#title_display'] = 'invisible';
          }
        }

        // Custom paths.
        if (variable_get('custom_search_' . $delta . 'paths', '') != '') {
          $options = array();
          $lines = explode("\n", variable_get('custom_search_' . $delta . 'paths', ''));
          foreach ($lines as $line) {
            $temp = explode('|', $line);
            $options[$temp[0]] = count($temp) >= 2 ? t($temp[1]) : '';
          }
          if (count($options) == 1) {
            $form['custom_search_paths'] = array(
              '#type' => 'hidden',
              '#default_value' => key($options),
            );
          }
          else {
            $form['custom_search_paths'] = array(
              '#type' => variable_get('custom_search_' . $delta . 'paths_selector', 'select'),
              '#title' => variable_get('custom_search_' . $delta . 'paths_selector_label', CUSTOM_SEARCH_PATHS_SELECTOR_LABEL_DEFAULT),
              '#options' => $options,
              '#default_value' => key($options),
              '#weight' => variable_get('custom_search_' . $delta . 'custom_paths_weight', 9),
            );
            if (!variable_get('custom_search_' . $delta . 'paths_selector_label_visibility', TRUE)) {
              $form['custom_search_paths']['#title_display'] = 'invisible';
            }
          }
        }

        // Submit button.
        $form['actions']['submit']['#value'] = variable_get('custom_search_' . $delta . 'submit_text', CUSTOM_SEARCH_SUBMIT_TEXT_DEFAULT);
        if (variable_get('custom_search_' . $delta . 'image_path', '') != '') {
          $form['actions']['submit']['#type'] = 'image_button';
          $form['actions']['submit']['#src'] = variable_get('custom_search_' . $delta . 'image_path', '');
          $form['actions']['submit']['#name'] = 'op';
          $form['actions']['submit']['#attributes'] = array(
            'alt' => array(
              variable_get('custom_search_' . $delta . 'submit_text', CUSTOM_SEARCH_SUBMIT_TEXT_DEFAULT),
            ),
            'class' => array(
              'custom-search-button',
            ),
          );
          unset($form['actions']['submit']['#value']);
        }
        elseif ($form['actions']['submit']['#value'] == '') {
          $form['actions']['submit']['#attributes'] = array(
            'style' => 'display:none;',
          );
        }
        $form['actions']['#weight'] = variable_get('custom_search_' . $delta . 'submit_button_weight', 3);

        // Popup.
        $form['popup'] = array(
          '#type' => 'fieldset',
          '#weight' => 1 + variable_get('custom_search_' . $delta . 'search_box_weight', 0),
          '#attributes' => array(
            'class' => array(
              'custom_search-popup',
            ),
          ),
        );
        if (!empty($form['custom_search_types']) && variable_get('custom_search_' . $delta . 'content_types_region', 'block') == 'popup') {
          $form['popup']['custom_search_types'] = $form['custom_search_types'];
          unset($form['custom_search_types']);
        }
        if (!empty($form['custom_search_paths']) && variable_get('custom_search_' . $delta . 'custom_paths_region', 'block') == 'popup') {
          $form['popup']['custom_search_paths'] = $form['custom_search_paths'];
          unset($form['custom_search_paths']);
        }
        foreach ($criteria as $c => $w) {
          if (variable_get('custom_search_' . $delta . 'criteria_' . $c . '_display', FALSE) && variable_get('custom_search_' . $delta . 'criteria_' . $c . '_region', 'block') == 'popup') {
            $form['popup']['custom_search_criteria_' . $c] = $form['custom_search_criteria_' . $c];
            unset($form['custom_search_criteria_' . $c]);
          }
        }

        // Invoke other modules hooks.
        foreach (module_implements('custom_search_box') as $module) {
          $function = $module . '_custom_search_box';
          if (function_exists($function)) {
            call_user_func_array($function, array(
              &$form,
              $form_id,
              $delta,
            ));
          }
        }

        // If nothing has been added to the popup, don't output any markup.
        if (!count(element_children($form['popup']))) {
          unset($form['popup']);
        }

        // Form attributes.
        $form['#attributes']['class'] = array(
          'search-form',
        );
        $form['#attributes']['role'] = 'search';
        if (!in_array('custom_search_submit', $form['#submit'])) {
          $form['#submit'][] = 'custom_search_submit';
        }
      }
      break;
  }
}
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function custom_search_form_alter in Custom Search 7

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