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<?php
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/**
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* @file
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* Ctools context type plugin to hold the current language context.
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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$plugin = array(
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'title' => t('Language'),
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'description' => t('Language object.'),
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'context' => 'ctools_context_language_create',
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'context name' => 'language',
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'keyword' => 'language',
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// Provides a list of items which are exposed as keywords.
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'convert list' => 'ctools_language_context_convert_list',
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// Convert keywords into data.
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'convert' => 'ctools_language_context_convert',
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'placeholder form' => array(
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'#type' => 'textfield',
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'#description' => t('Enter a valid langcode.'),
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'#value' => $GLOBALS['language']->language,
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),
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// Provide settings for the context.
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'edit form' => 'ctools_context_language_settings_form',
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'settings' => ctools_context_language_conf_defaults(),
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);
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/**
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* Ensures a full populated settings array with sane defaults.
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*
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* @param mixed $conf
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* Array with the user defined settings, or a string identifying a language.
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*
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* @return array
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* Array with all available settings.
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*/
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function ctools_context_language_conf_defaults($conf = array()) {
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if (!is_array($conf)) {
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$conf = array(
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'preset_langcode' => (string) $conf,
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);
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}
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return $conf + array(
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'enable_cache_argument' => TRUE,
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'language_type' => 'language',
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'preset_langcode' => $GLOBALS['language']->language,
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);
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}
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/**
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* Create a context, either from manual configuration or the current language.
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*/
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function ctools_context_language_create($empty, $data = NULL, $conf = FALSE) {
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$context = new ctools_context('language');
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$context->plugin = 'language';
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if ($empty) {
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return $context;
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}
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$context->title = t('Language');
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$settings = ctools_context_language_conf_defaults($data);
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if ($settings['language_type'] != 'preset') {
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$language_object = $GLOBALS[$settings['language_type']];
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}
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else {
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// Fetch the enabled language objects.
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$languages = language_list('enabled');
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$languages = $languages[1];
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// Set the custom language, but fallback to the interface language.
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$language_object = $GLOBALS['language'];
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if (isset($languages[$settings['preset_langcode']])) {
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$language_object = $languages[$settings['preset_langcode']];
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}
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}
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// If enabled set the argument ot use in the cid.
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if ($settings['enable_cache_argument']) {
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$context->argument = $language_object->language;
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}
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$context->data = $language_object;
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return $context;
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}
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/**
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* Provide a list of sub-keywords.
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*
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* This is used to provide keywords from the context for use in a content type,
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* pane, etc.
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*/
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function ctools_language_context_convert_list() {
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$context = new stdClass();
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$context->data = $GLOBALS['language'];
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return array(
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'language' => t('Langcode. E.g. !example', array('!example' => ctools_language_context_convert($context, 'language'))),
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'name' => t('Name. E.g. !example', array('!example' => ctools_language_context_convert($context, 'name'))),
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'native' => t('Native name of the language. E.g. !example', array('!example' => ctools_language_context_convert($context, 'native'))),
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'direction' => t('Text direction 0=LRT, 1=RTL. E.g. !example', array('!example' => ctools_language_context_convert($context, 'direction'))),
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'enabled' => t('Status. E.g. !example', array('!example' => ctools_language_context_convert($context, 'enabled'))),
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'plurals' => t('Number of plural forms. E.g. !example', array('!example' => ctools_language_context_convert($context, 'plurals'))),
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'formula' => t('Plural formula. E.g. !example', array('!example' => ctools_language_context_convert($context, 'formula'))),
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'domain' => t('Domain prefix. E.g. !example', array('!example' => ctools_language_context_convert($context, 'domain'))),
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'prefix' => t('Url prefix . E.g. !example', array('!example' => ctools_language_context_convert($context, 'prefix'))),
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'weight' => t('The weight. E.g. !example', array('!example' => ctools_language_context_convert($context, 'weight'))),
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'javascript' => t('Key of the javascript file with the translations. E.g. !example', array('!example' => ctools_language_context_convert($context, 'javascript'))),
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'provider' => t('Negotiation method that defined the language. E.g. !example', array('!example' => ctools_language_context_convert($context, 'provider'))),
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);
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}
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/**
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* Convert a context property into a string to be used as a keyword.
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*/
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function ctools_language_context_convert($context, $type) {
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if (isset($context->data->$type)) {
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return $context->data->$type;
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}
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}
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/**
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* Settings form.
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*/
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function ctools_context_language_settings_form($form, &$form_state) {
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$conf = ctools_context_language_conf_defaults($form_state['conf']);
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$form['enable_cache_argument'] = array(
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'#title' => t('Add language to cache id'),
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'#description' => t('If enabled the langcode will be part of context aware caches.'),
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'#type' => 'checkbox',
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'#default_value' => $conf['enable_cache_argument'],
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);
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// Prepare language type options.
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$language_type_options = drupal_map_assoc(language_types());
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$language_type_options['preset'] = t('Custom');
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$form['language_type'] = array(
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'#title' => t('The language type to use'),
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'#type' => 'radios',
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'#required' => TRUE,
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'#options' => $language_type_options,
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'#default_value' => $conf['language_type'],
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);
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ctools_include('language');
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$language_options = ctools_language_list();
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$form['preset_langcode'] = array(
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'#title' => t('Language'),
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'#type' => 'select',
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'#options' => $language_options,
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'#default_value' => $conf['preset_langcode'],
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'#states' => array(
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'visible' => array(
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':input[name="language_type"]' => array('value' => 'preset'),
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),
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),
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);
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if (!empty($conf['preset_langcode']) && !isset($language_options[$conf['preset_langcode']])) {
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drupal_set_message(t('The currently selected language %langcode is no longer available.', array('%langcode' => $conf['preset_langcode'])), 'error', FALSE);
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}
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return $form;
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}
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