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New module 'Autocomplete Widgets'

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Manuel Cillero 2017-07-26 12:57:59 +02:00
parent 17a2a7a42d
commit 5af0c1f42e
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6.x-1.x-dev
===========
Features:
- #656554 by dagmar - Views 3 integration.
- #730790 by jromine - Filter HTML from display of values.
6.x-1.3
=======
Release notes:
- This release requires running update.php to upgrade.
Security issue:
- DRUPAL-SA-CONTRIB-2009-115 [1]: Autocomplete callback does not honor permissions to access CCK fields.
[1] http://drupal.org/node/670942
Bugfixes:
- #562432 Autocomplete text fields do not use default value setting.
- #553336 Follow up patch to fix case sensitivity feature.
Features:
- Added CHANGELOG.txt.
- #553336 Added case sensitive option. Needs update.php.
- Split code into separate files to minimize memory consumption during normal site operation.
- Added translations template and fixed a couple of potx warnings related to CCK widget labels.
6.x-1.2
=======
Release notes:
- Upgrading does not require running update.php.
Features:
- #550588: Add support for i18n to the 'Autocomplete for existing field data' widget.
6.x-1.1
=======
Release notes:
- Upgrading does not require running update.php.
Bugfixes:
- #405628 by nguyenquocviet - The widget of autocomplete for allowed values list does not show any possible values from allowed values list.
6.x-1.0
=======
- Initial release.

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Autocomplete Widgets for CCK Text and Number fields
;;
;; Module Author: markus_petrux (http://drupal.org/user/39593)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
OVERVIEW
========
This module adds 2 autocomplete widgets for CCK fields.
- Autocomplete for allowed values list: This widget can be used for Text and
Number fields and it takes candidate values from the defined list of Allowed
values of the fields.
- Autocomplete for existing field data: This widget can be used for Text only
and it takes candidate values from existing values in the database for that
field.
Both widgets allow you to choose the size of the text element and the method
used to match values between 'Starts with' and 'Contains'.
When the Internationalization module [1] is enabled, the 'Autocomplete for
existing field data' widget also provides an option to filter values by the
language assigned to their corresponding nodes. This option allows you to
provide a different set of allowed values per language.
[1] http://drupal.org/project/i18n
REQUIREMENTS
============
- CCK (http://drupal.org/project/cck)
- CCK Text and/or Number modules provided by CCK itself.
INSTALLATION
============
- Copy all contents of this package to your modules directory preserving
subdirectory structure.
- Goto Administer > Site building > Modules to install this module.
- Create or edit content types and start using the widgets for your Text and/or
Number fields. :)

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<?php
/**
* @file
* Administration related code for Autocomplete Widgets module.
*/
/**
* Alter the CCK widget settings form.
*/
function _autocomplete_widgets_content_field_edit_form_alter(&$form, $form_state) {
$widget_type = $form['#field']['widget']['type'];
if (in_array($widget_type, array('autocomplete_widgets_allowvals', 'autocomplete_widgets_flddata'))) {
// Implementation of allowed values list.
if ($widget_type == 'autocomplete_widgets_allowvals') {
$form['field']['allowed_values_fieldset']['#collapsed'] = FALSE;
$form['field']['allowed_values_fieldset']['#description'] = '<p>'. t('Create a list of options as a list in <strong>Allowed values list</strong> or as an array in PHP code. These values will be the same for %field in all content types.', array('%field' => $form['#field']['widget']['label'])) .'</p>';
// If no 'allowed values' were set yet, add a remainder in the messages area.
if (empty($form_state['post'])
&& empty($form['field']['allowed_values_fieldset']['allowed_values']['#default_value'])
&& empty($form['field']['allowed_values_fieldset']['advanced_options']['allowed_values_php']['#default_value'])) {
drupal_set_message(t("You need to specify the 'allowed values' for this field."), 'warning');
}
}
else {
// For the autocomplete 'field data' widget we do not use the 'Allowed values' list.
unset($form['field']['allowed_values_fieldset']);
}
// Disable the text processing option of text fields. These widgets can
// only use plain text fields.
if (isset($form['field']['text_processing'])) {
$form['field']['text_processing']['#type'] = 'value';
$form['field']['text_processing']['#value'] = 0;
}
}
}
/**
* Implementation of hook_widget_settings().
*/
function _autocomplete_widgets_widget_settings($op, $widget) {
switch ($op) {
case 'form':
$form = array();
$form['size'] = array(
'#type' => 'textfield',
'#title' => t('Size of textfield'),
'#default_value' => (isset($widget['size']) ? $widget['size'] : 60),
'#element_validate' => array('_element_validate_integer_positive'),
'#required' => TRUE,
);
$form['autocomplete_match'] = array(
'#type' => 'select',
'#title' => t('Autocomplete matching'),
'#default_value' => (isset($widget['autocomplete_match']) ? $widget['autocomplete_match'] : 'contains'),
'#options' => array('starts_with' => t('Starts with'), 'contains' => t('Contains')),
'#description' => t('Select the method used to collect autocomplete suggestions. Note that <em>Contains</em> can cause performance issues on sites with thousands of records.'),
);
$form['autocomplete_case'] = array(
'#type' => 'radios',
'#title' => t('Case sensitive'),
'#default_value' => (isset($widget['autocomplete_case']) ? $widget['autocomplete_case'] : 1),
'#options' => array(0 => t('Disabled'), 1 => t('Enabled')),
);
if ($widget['type'] == 'autocomplete_widgets_flddata') {
$form['autocomplete_case']['#description'] = t('Case-insensitive queries are implemented using the <a href="!function-lower-url">LOWER()</a> function in combination with the <a href="!operator-like-url">LIKE</a> operator.', array(
'!function-lower-url' => 'http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_lower',
'!operator-like-url' => 'http://dev.mysql.com/doc/refman/5.1/en/string-comparison-functions.html#operator_like',
));
if (in_array($GLOBALS['db_type'], array('mysql', 'mysqli'))) {
$form['autocomplete_case']['#description'] .= ' '. t('Note that MySQL might ignore case sensitivity depending on the collation used in your database definition (see <a href="!mysql-i18n-l10n-url">Internationalization and Localization</a> chapter in the MySQL manual). If you need case insensitive checks, it is recommended (for performance reasons) to use a case insensitive collation as well (such as utf8_general_ci), rather than disabling the case sensitive option here.', array(
'!mysql-i18n-l10n-url' => 'http://dev.mysql.com/doc/refman/5.1/en/internationalization-localization.html',
));
}
elseif ($GLOBALS['db_type'] == 'pgsql') {
$form['autocomplete_case']['#description'] .= ' '. t('You may want to create an expression index using the LOWER() function to speed up this kind of queries in PostgreSQL (See <a href="!indexes-expressional-url">Indexes on Expressions</a>).', array(
'!indexes-expressional-url' => 'http://www.postgresql.org/docs/8.4/static/indexes-expressional.html',
));
}
}
else {
$form['autocomplete_case']['#description'] = t('Case-insensitive queries are implemented using the function <a href="!drupal-strtolower-url">drupal_strtolower()</a>.', array(
'!drupal-strtolower-url' => 'http://api.drupal.org/api/function/drupal_strtolower/6',
));
}
$form['autocomplete_xss'] = array(
'#type' => 'radios',
'#title' => t('Filter HTML'),
'#default_value' => (isset($widget['autocomplete_xss']) ? $widget['autocomplete_xss'] : 0),
'#options' => array(0 => t('Disabled'), 1 => t('Enabled')),
'#description' => t('Enable this option to filter out HTML in display of values.'),
);
if ($widget['type'] == 'autocomplete_widgets_flddata' && module_exists('i18n')) {
$form['i18n_flddata'] = array(
'#type' => 'radios',
'#title' => t('Internationalization support'),
'#default_value' => (isset($widget['i18n_flddata']) ? $widget['i18n_flddata'] : 0),
'#options' => array(0 => t('Disabled'), 1 => t('Enabled')),
'#description' => t('Enable this option to provide a different set of allowed values based on the language their nodes are assigned to. This option is only available when <a href="@i18n-project-page">Internationalization</a> module is enabled.', array('@i18n-project-page' => 'http://drupal.org/project/i18n')),
);
}
else {
$form['i18n_flddata'] = array(
'#type' => 'value',
'#value' => 0,
);
}
if ($widget['type'] == 'autocomplete_widgets_flddata') {
$form['obey_access_controls'] = array(
'#type' => 'checkbox',
'#title' => t('Only suggest content from nodes that the current user has permission to access.'),
'#default_value' => (isset($widget['obey_access_controls']) ? $widget['obey_access_controls'] : 1),
'#description' => t('Unchecking this means that users might have content suggested to them from nodes to which they do not have access. Proceed with caution.'),
);
}
return $form;
case 'save':
return array('size', 'autocomplete_match', 'autocomplete_case', 'autocomplete_xss', 'i18n_flddata', 'obey_access_controls');
}
}

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<?php
/**
* @file
* Common functions for Autocomplete Widgets module.
*/
/**
* Fetch an array of options for the given widget.
*
* @param $field
* The field description.
* @param $string
* Optional string to filter values on (used by autocomplete).
* @param $match
* Operator to match filtered name against, can be any of:
* 'contains', 'equals', 'starts_with'
* @param $keys
* Optional keys to lookup (the $string and $match arguments will be
* ignored).
* @param $limit
* If non-zero, limit the size of the result set.
*
* @return
* An array of valid values in the form:
* array(
* key => value,
* ...
* )
*/
function _autocomplete_widgets_get_options($field, $string = '', $match = 'contains', $keys = NULL, $limit = NULL) {
static $results = array();
// Create unique id for static cache.
if (!isset($keys) || !is_array($keys)) {
$keys = array();
}
$cid = $field['field_name'] .':'. $match .':'. ($string !== '' ? $string : implode('-', $keys)) .':'. $limit;
if (!isset($results[$cid])) {
if ($field['widget']['type'] == 'autocomplete_widgets_allowvals') {
$results[$cid] = _autocomplete_widgets_get_options_allowvals($field, $string, $match, $keys, $limit);
}
else if ($field['widget']['type'] == 'autocomplete_widgets_flddata') {
$results[$cid] = _autocomplete_widgets_get_options_flddata($field, $string, $match, $keys, $limit);
}
else {
$results[$cid] = array();
}
}
return $results[$cid];
}
/**
* Fetch an array of options for the given widget (allowed values).
*
* Options are retrieved from the allowed values defined for the field.
*/
function _autocomplete_widgets_get_options_allowvals($field, $string = '', $match = 'contains', $keys = NULL, $limit = NULL) {
$function = $field['module'] .'_allowed_values';
$allowed_values = (array)(function_exists($function) ? $function($field) : content_allowed_values($field));
if (!isset($limit) || !is_numeric($limit)) {
$limit = count($allowed_values);
}
$case_insensitive = (!empty($field['widget']['autocomplete_case']) ? FALSE : TRUE);
if ($case_insensitive && $match != 'equals') {
$string = drupal_strtolower($string);
}
$filter_xss = !empty($field['widget']['autocomplete_xss']);
$count = 0;
$options = array();
foreach ($allowed_values as $key => $value) {
if ($filter_xss) {
// Filter all HTML in $value, then trim white spaces.
$value = trim(filter_xss($value, array()));
}
if ($string === '') {
if (isset($keys) && is_array($keys)) {
if (in_array($key, $keys)) {
$options[$key] = $value;
$count++;
}
}
else {
$options[$key] = $value;
$count++;
}
}
else if ($match == 'equals') {
if ($value == $string) {
$options[$key] = $value;
$count++;
}
}
else {
$pos = strpos(($case_insensitive ? drupal_strtolower($value) : $value), $string);
if (($match == 'starts_with' && $pos === 0) || ($match == 'contains' && $pos !== FALSE)) {
$options[$key] = $value;
$count++;
}
}
if ($count >= $limit) {
break;
}
}
return $options;
}
/**
* Fetch an array of options for the given widget (field data).
*
* Options are retrieved from existing values for the field.
*/
function _autocomplete_widgets_get_options_flddata($field, $string = '', $match = 'contains', $keys = NULL, $limit = NULL) {
$db_info = content_database_info($field);
$table = $db_info['table'];
$column = $field['field_name'] .'_'. key($db_info['columns']);
$where = array();
$args = array();
if ($string !== '') {
$lower = (!empty($field['widget']['autocomplete_case']) || $match == 'equals' ? '' : 'LOWER');
$match_operators = array(
'contains' => "LIKE $lower('%%%s%%')",
'equals' => "= '%s'",
'starts_with' => "LIKE $lower('%s%%')",
);
$where[] = "$lower(f.". $column .') '. (isset($match_operators[$match]) ? $match_operators[$match] : $match_operators['contains']);
$args[] = $string;
}
else if (isset($keys) && is_array($keys)) {
$where[] = 'f.'. $column .' IN ('. db_placeholders($keys) .')';
$args = array_merge($args, $keys);
}
// When obey_access_controls is enabled, we need to add node status
// to the where clause before the sql is combined.
if(!empty($field['widget']['obey_access_controls'])) {
$where[] = 'n.status = 1 ';
}
$sql = 'SELECT f.'. $column .' FROM {'. $table .'} f WHERE '. implode(' AND ', $where) .' ORDER BY f.'. $column;
if (!empty($field['widget']['obey_access_controls']) || !empty($field['widget']['i18n_flddata'])) {
// Adding a join with the node table allows the i18n rewrite the query
// to filter values from node for the proper language.
$sql = db_rewrite_sql(str_replace(' WHERE ', ' INNER JOIN {node} n ON f.vid = n.vid WHERE ', $sql));
}
$result = $limit ? db_query_range($sql, $args, 0, $limit) : db_query($sql, $args);
$options = array();
while ($row = db_fetch_object($result)) {
$options[$row->$column] = $row->$column;
}
return $options;
}

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name = Autocomplete Widgets
description = Provides autocomplete widgets for CCK Text and Number fields.
dependencies[] = content
package = CCK
core = 6.x
; Information added by drupal.org packaging script on 2013-04-16
version = "6.x-1.4"
core = "6.x"
project = "autocomplete_widgets"
datestamp = "1366135717"

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<?php
/**
* @file
* Module installation/uninstallation hooks.
*/
/**
* Implementation of hook_install().
*/
function autocomplete_widgets_install() {
// Make sure this module is loaded after CCK Text/Number fields.
// See autocomplete_widgets_form_alter().
db_query("UPDATE {system} SET weight = 1 WHERE name = 'autocomplete_widgets'");
// Notify content module when this module is installed.
drupal_load('module', 'content');
content_notify('install', 'autocomplete_widgets');
}
/**
* Implementation of hook_uninstall().
*/
function autocomplete_widgets_uninstall() {
// Notify content module when this module is uninstalled.
drupal_load('module', 'content');
content_notify('uninstall', 'autocomplete_widgets');
}
/**
* Implementation of hook_enable().
*/
function autocomplete_widgets_enable() {
// Notify content module when this module is enabled.
drupal_load('module', 'content');
content_notify('enable', 'autocomplete_widgets');
}
/**
* Implementation of hook_disable().
*/
function autocomplete_widgets_disable() {
// Notify content module when this module is disabled.
drupal_load('module', 'content');
content_notify('disable', 'autocomplete_widgets');
}
/**
* Update all Autocomplete Widgets for new case sensitive option.
*/
function autocomplete_widgets_update_6001() {
drupal_load('module', 'content');
if ($abort = content_check_update('autocomplete_widgets')) {
return $abort;
}
$ret = array();
$result = db_query("SELECT field_name, type_name, widget_settings FROM {content_node_field_instance} WHERE (widget_type = 'autocomplete_widgets_allowvals' OR widget_type = 'autocomplete_widgets_flddata')");
while ($field = db_fetch_object($result)) {
$widget_settings = unserialize($field->widget_settings);
if (!isset($widget_settings['autocomplete_case'])) {
$widget_settings['autocomplete_case'] = 1;
$widget_settings = serialize($widget_settings);
$success = db_query("UPDATE {content_node_field_instance} SET widget_settings = '%s' WHERE type_name = '%s' AND field_name = '%s'", $widget_settings, $field->type_name, $field->field_name);
$ret[] = array(
'success' => $success !== FALSE,
'query' => strtr('Updating definition of the Autocomplete Widget for field %field-name in type %type-name.', array('%field-name' => $field->field_name, '%type-name' => $field->type_name)),
);
}
}
if (!empty($ret)) {
content_clear_type_cache();
}
return $ret;
}

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<?php
/**
* @file
* Provides autocomplete widgets for CCK Text and Number fields.
*/
/**
* Implementation of hook_menu().
*/
function autocomplete_widgets_menu() {
$items = array();
$items['autocomplete_widgets'] = array(
'title' => 'Autocomplete Widgets',
'page callback' => 'autocomplete_widgets_json',
'access callback' => 'autocomplete_widgets_access',
'access arguments' => array(1, 2),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implementation of hook_theme().
*/
function autocomplete_widgets_theme() {
return array(
'autocomplete_widgets' => array('arguments' => array('element' => NULL)),
);
}
/**
* Implementation of hook_views_api().
*/
function autocomplete_widgets_views_api() {
return array(
'api' => 3.0,
'path' => drupal_get_path('module', 'autocomplete_widgets') . '/views',
);
}
/**
* Implementation of hook_form_alter().
*
* Because we need to alter the field settings form, this module needs
* to be loaded after CCK Text/Number field modules.
* See autocomplete_widgets_install().
*/
function autocomplete_widgets_form_alter(&$form, $form_state, $form_id) {
// Provide additional help for the field settings form.
if ($form_id == 'content_field_edit_form' && isset($form['widget'])) {
module_load_include('inc', 'autocomplete_widgets', 'autocomplete_widgets.admin');
_autocomplete_widgets_content_field_edit_form_alter($form, $form_state);
}
}
/**
* Implementation of hook_widget_info().
*/
function autocomplete_widgets_widget_info() {
return array(
'autocomplete_widgets_allowvals' => array(
'label' => t('Autocomplete for allowed values list'), 'field types' => array('text', 'number_integer', 'number_decimal', 'number_float'),
),
'autocomplete_widgets_flddata' => array(
'label' => t('Autocomplete for existing field data'), 'field types' => array('text'),
),
);
}
/**
* Implementation of hook_elements().
*
* Autocomplete_path is not used by text_widget but other widgets can use it
* (see nodereference and userreference).
*/
function autocomplete_widgets_elements() {
return array(
'autocomplete_widgets' => array(
'#input' => TRUE,
'#columns' => array('value'), '#delta' => 0,
'#process' => array('autocomplete_widgets_process'),
'#autocomplete_path' => FALSE,
),
);
}
/**
* Implementation of hook_widget_settings().
*/
function autocomplete_widgets_widget_settings($op, $widget) {
module_load_include('inc', 'autocomplete_widgets', 'autocomplete_widgets.admin');
return _autocomplete_widgets_widget_settings($op, $widget);
}
/**
* Implementation of hook_widget().
*/
function autocomplete_widgets_widget(&$form, &$form_state, $field, $items, $delta = 0) {
return array(
'#type' => 'autocomplete_widgets',
'#default_value' => isset($items[$delta]) ? $items[$delta] : NULL,
);
}
/**
* Process an individual textfield autocomplete element.
*/
function autocomplete_widgets_process($element, $edit, $form_state, $form) {
$field = $form['#field_info'][$element['#field_name']];
$field_key = $element['#columns'][0];
$value = NULL;
if ($field['widget']['type'] == 'autocomplete_widgets_allowvals') {
if (isset($element['#value'][$field_key])) {
$keys = array($element['#value'][$field_key]);
module_load_include('inc', 'autocomplete_widgets', 'autocomplete_widgets.common');
$options = _autocomplete_widgets_get_options($field, '', '', $keys, 1);
if (!empty($options)) {
$value = current($options);
}
}
}
else if ($field['widget']['type'] == 'autocomplete_widgets_flddata') {
if (isset($element['#value'][$field_key])) {
$value = $element['#value'][$field_key];
}
}
$element[$field_key] = array(
'#type' => 'textfield',
'#default_value' => $value,
'#autocomplete_path' => 'autocomplete_widgets/'. $element['#type_name'] .'/'. $element['#field_name'],
'#size' => !empty($field['widget']['size']) ? $field['widget']['size'] : 60,
'#attributes' => array('class' => 'text'),
// The following values were set by the content module and need
// to be passed down to the nested element.
'#title' => $element['#title'],
'#description' => $element['#description'],
'#required' => $element['#required'],
'#field_name' => $element['#field_name'],
'#type_name' => $element['#type_name'],
'#delta' => $element['#delta'],
'#columns' => $element['#columns'],
);
$element[$field_key]['#maxlength'] = !empty($field['max_length']) ? $field['max_length'] : NULL;
if (empty($element[$field_key]['#element_validate'])) {
$element[$field_key]['#element_validate'] = array();
}
array_unshift($element[$field_key]['#element_validate'], 'autocomplete_widgets_validate');
$element['_error_element'] = array(
'#type' => 'value',
'#value' => implode('][', array_merge($element['#parents'], array($field_key))),
);
return $element;
}
/**
* Validate a textfield autocomplete element.
*/
function autocomplete_widgets_validate($element, &$form_state) {
$field_name = $element['#field_name'];
$type_name = $element['#type_name'];
$delta = $element['#delta'];
$field = content_fields($field_name, $type_name);
$field_key = $element['#columns'][0];
$value = trim($element['#value']);
if ($field['widget']['type'] == 'autocomplete_widgets_allowvals') {
if ($value !== '') {
module_load_include('inc', 'autocomplete_widgets', 'autocomplete_widgets.common');
$options = _autocomplete_widgets_get_options($field, $value, 'equals', NULL, 1);
if (empty($options)) {
form_error($element, t('%name: found no valid option.', array('%name' => $field['widget']['label'])));
}
else {
$value = key($options);
}
}
}
// Remove the wrapper layer and set the right element's value.
// This will move the nested value at 'field-name-0-value-value'
// back to its original location, 'field-name-0-value'.
form_set_value($element, $value, $form_state);
}
/**
* Check access to the menu callback of the autocomplete widget.
*/
function autocomplete_widgets_access($type_name, $field_name) {
return user_access('access content') && ($field = content_fields($field_name, $type_name)) && content_access('view', $field) && content_access('edit', $field);
}
/**
* Menu callback; Retrieve a pipe delimited string of autocomplete suggestions.
*/
function autocomplete_widgets_json($type_name, $field_name, $string = '') {
module_load_include('inc', 'autocomplete_widgets', 'autocomplete_widgets.common');
$field = content_fields($field_name, $type_name);
$match = isset($field['widget']['autocomplete_match']) ? $field['widget']['autocomplete_match'] : 'contains';
$matches = array();
$options = _autocomplete_widgets_get_options($field, $string, $match, NULL, 10);
foreach ($options as $key => $value) {
// Add a class wrapper for a few required CSS overrides.
$matches[$value] = '<div class="reference-autocomplete">'. check_plain($value) .'</div>';
}
drupal_json($matches);
}
/**
* Theme an individual textfield autocomplete element.
*/
function theme_autocomplete_widgets($element) {
return $element['#children'];
}

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<?php
/**
* @file
* Autocomplete widgets integration with Views 3.x.
*/
/**
* Implementation of hook_views_plugins().
*/
function autocomplete_widgets_views_plugins() {
return array(
'exposed_form' => array(
'autocomplete_widgets_basic' => array(
'title' => t('Autocomplete widgets'),
'help' => t('Allow to use autocomplete widgets for CCK Text and Number exposed filters.'),
'handler' => 'autocomplete_widgets_basic_exposed_form_plugin',
'uses row plugin' => FALSE,
'uses fields' => TRUE,
'uses options' => TRUE,
'type' => 'normal',
'parent' => 'basic',
),
),
);
}

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<?php
/**
* @file
* Views exposed form plugin for Autocomplete Widgets module.
*/
class autocomplete_widgets_basic_exposed_form_plugin extends views_plugin_exposed_form_basic {
/**
* Return a string to display as the clickable title for the control.
*/
function summary_title() {
return t('Autocomplete widgets');
}
/**
* Declare custom plugin options.
*/
function option_definition() {
$options = parent::option_definition();
$options['make_autocompletable'] = array('default' => array());
return $options;
}
/**
* Generate form elements for custom plugin options.
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$relationships = $this->view->relationship;
$options = array();
foreach ($this->display->handler->get_handlers('filter') as $filter => $handler) {
if ($handler->is_exposed() && $handler->content_field['widget']['module'] == 'autocomplete_widgets') {
$options[$filter] = $handler->ui_name();
if (!empty($handler->options['relationship'])) {
$relationship = $handler->options['relationship'];
if (!empty($relationships[$relationship])) {
$options[$filter] = '('. $relationships[$relationship] .') '. $options[$filter];
}
}
}
}
if (!empty($options)) {
$form['make_autocompletable'] = array(
'#type' => 'checkboxes',
'#title' => t('Convert into a autocomplete widget'),
'#options' => $options,
'#default_value' => $this->options['make_autocompletable'],
'#description' => t('This list contains only exposed filters for CCK Text and Number fields.'),
);
}
}
/**
* Alter the exposed filters based on plugin options.
*/
function exposed_form_alter(&$form, &$form_state) {
parent::exposed_form_alter($form, $form_state);
if (!empty($this->options['make_autocompletable'])) {
foreach ($this->options['make_autocompletable'] as $filter) {
$field_name = $this->view->filter[$filter]->content_field['field_name'];
$type_name = $this->view->filter[$filter]->content_field['type_name'];
$form[$filter]['#autocomplete_path'] = 'autocomplete_widgets/'. $type_name .'/'. $field_name;
}
}
}
}