search_image_button.module in Util 7

Alters the Search form to provide an image button.

File

contribs/search_image_button/search_image_button.module

<?php

/**
 * @file
 * Alters the Search form to provide an image button.
 */

/**
 * Implements hook_form_alter().
 *
 * 1) Alter the Search Settings form to add an image specification.
 *
 * 2) Alter the Search block form to use image.
 *
 */
function search_image_button_form_alter(&$form, $form_state, $form_id) {
  global $user;

  //  drupal_set_message('search_image_button_form_alter: ' . $form_id);
  switch ($form_id) {

    // Search settings form.
    case 'search_admin_settings':
      $form['status']['#weight'] = -10;
      $form['indexing_throttle']['#weight'] = -5;
      $form['search_button'] = array(
        '#type' => 'fieldset',
        '#title' => t('Search Button'),
        '#weight' => 0,
      );
      $form['search_button']['search_image_button_image'] = array(
        '#title' => t('Image for the Search form button'),
        '#type' => 'textfield',
        '#default_value' => variable_get('search_image_button_image', ''),
        '#description' => t('Specify the path to the image to use for the search form submit button. You may use the file system form, e.g. "public:/my_search_button.png".'),
      );
      $form['search_button']['search_image_button_label'] = array(
        '#title' => t('Label for the Search form'),
        '#type' => 'textfield',
        '#default_value' => variable_get('search_image_button_label', 'Search this site'),
        '#description' => t('Specify the text to use as the label for the search form.'),
      );
      $form['search_button']['search_image_input_size'] = array(
        '#title' => t('Size of the text input area on the Search form'),
        '#type' => 'textfield',
        '#default_value' => variable_get('search_image_input_size', 15),
        '#description' => t('This determines the width of the input area for keywords on the search form.'),
      );
      return;

    // Search block.
    case 'search_box':
    case 'search_block_form':

      // Get rid of the current form element.
      unset($form[$form_id]);

      // Build a new form.
      $text = t(variable_get('search_image_button_label', 'Search this site'));
      $form[$form_id] = array(
        '#type' => 'textfield',
        '#title' => $text,
        '#title_display' => 'invisible',
        '#size' => variable_get('search_image_input_size', 15),
        '#attributes' => array(
          'title' => t('Enter the terms for which you wish to search.'),
          'onblur' => "if (this.value == '') {this.value = '{$text}';}",
          'onfocus' => "if (this.value == '{$text}') {this.value = '';}",
        ),
      );
      if ($image = variable_get('search_image_button_image', '')) {
        $form['actions']['submit']['#type'] = 'image_button';
        $form['actions']['submit']['#src'] = $image;
      }
      return;
  }
}
function search_image_button_preprocess_search_block_form(&$vars, $hook) {
  $form = $vars['form'];

  //  dsm(print_r($form, true));
  $vars['form']['search_block_form']['#title_display'] = 'before';
  unset($vars['form']['search_block_form']['#attributes']['class']);
  $vars['form']['search_block_form']['#attributes'] = array(
    'onblur' => "if (this.value == '') {this.value = '" . $vars['form']['search_block_form']['#value'] . "';} this.style.color = '#888888';",
    'onfocus' => "if (this.value == '" . $vars['form']['search_block_form']['#value'] . "') {this.value = '';} this.style.color = '#000000';",
  );
  $vars['form']['search_block_form']['#title_display'] = 'before';
}

/* */

Functions

Name	Description
search_image_button_form_alter	Implements hook_form_alter().
search_image_button_preprocess_search_block_form