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<?php
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// $Id: ext.module,v 1.3 2008/05/24 00:47:07 ximo Exp $
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/**
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* @file
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* Load the Ext JavaScript framework with Drupal.
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*/
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/**
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* Implementation of hook_init().
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*/
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function ext_init() {
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// Load the Ext library if enabled in settings.
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if (variable_get('ext_state', 0)) {
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ext_load_library();
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}
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}
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/**
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* Implementation of hook_perm().
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*/
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function ext_perm() {
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return array('administer ext');
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}
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/**
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* Implementation of hook_menu().
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*/
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function ext_menu() {
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$items['admin/settings/ext'] = array(
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'title' => 'Ext',
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'description' => 'Settings for Ext.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('ext_form_settings'),
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'access arguments' => array('administer ext'),
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);
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// Add a default General settings tab.
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$items['admin/settings/ext/general'] = array(
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'title' => t('General'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -10,
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);
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return $items;
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}
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/**
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* Ext module settings form.
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*/
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function ext_form_settings() {
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// Fetch the path to Ext, removing the potential trailing slash.
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$ext_path = rtrim(variable_get('ext_path', drupal_get_path('module', 'ext') .'/ext'), '/');
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// Path to Ext library.
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$form['ext_path'] = array(
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'#type' => 'textfield',
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'#title' => t('Path to library'),
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'#description' => t('Specify the path to where the Ext library is installed, relative to the Drupal installation directory.'),
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'#default_value' => $ext_path,
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);
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// Retrieve all .js files from the Ext directory.
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$libraries = file_scan_directory($ext_path, '\.js$', array(), 0, FALSE);
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if ($libraries) {
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// Add radios for all available Ext libraries.
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foreach ($libraries as $library) {
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$library_options[$library->basename] = $library->basename;
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}
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$form['ext_library'] = array(
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'#type' => 'radios',
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'#title' => t('Library file'),
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'#description' => t('Select which Ext library file to use.'),
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'#options' => $library_options,
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'#default_value' => variable_get('ext_library', 'ext-all.js'),
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);
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// Default state of the Ext library.
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$form['ext_state'] = array(
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'#type' => 'radios',
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'#title' => t('Default state'),
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'#description' => t('Should it be running all the time (Enabled), or only when needed by another module (Disabled)?'),
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'#options' => array(t('Disabled'), t('Enabled')),
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'#default_value' => variable_get('ext_state', 0),
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);
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}
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else {
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// If no Ext libraries were found, produce a warning. TODO: Make this go away as soon as the problem is solved.
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drupal_set_message(t('There were no Ext library files found in the specified directory. Please make sure the path leads to a directory containing the Ext library files.'), 'error', FALSE);
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}
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// Retrieve minified locales from the 'build/locale' directory.
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$locales = file_scan_directory($ext_path .'/build/locale', '\-min.js$', array('ext-lang-en-min.js'));
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if ($locales) {
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// Attempt to retrieve the names of the locales.
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include_once './includes/locale.inc';
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$locales_list = _locale_get_predefined_list();
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foreach ($locales as $locale) {
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$language = strtolower(str_replace(array('ext-lang-', '-min', '_'), array('', '', '-'), $locale->name));
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$locale_options[$locale->basename] = (isset($locales_list[$language])) ? t($locales_list[$language][0]) : $language;
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}
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natcasesort($locale_options); // Case insensitive sort
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// Add the default option to the top of the list.
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$locale_options = array_merge(array(0 => t('English (default)')), $locale_options);
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// Add radios for all Ext locales.
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$form['ext_locale'] = array(
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'#type' => 'select',
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'#title' => t('Locale'),
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'#description' => t('Select the locale you wish to use with Ext.'),
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'#options' => $locale_options,
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'#default_value' => variable_get('ext_locale', 0),
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);
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}
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return system_settings_form($form);
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}
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/**
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* Load the Ext library.
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*
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* @param $library
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* File name of the library to load, relative to the Ext library directory.
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* Defaults to NULL (user selected library).
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*/
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function ext_load_library($library = NULL) {
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static $loaded = FALSE;
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// Make sure an Ext library is only loaded once.
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if (!$loaded) {
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// Fetch the path to Ext, removing the potential trailing slash. TODO: Do this when saving settings.
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$ext_path = rtrim(variable_get('ext_path', drupal_get_path('module', 'ext') .'/ext'), '/');
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// Load adapter.
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drupal_add_js($ext_path .'/adapter/jquery/ext-jquery-adapter.js');
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// Load library.
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if (!$library) {
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$library = variable_get('ext_library', 'ext-all.js');
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}
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drupal_add_js($ext_path .'/'. $library);
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// Load locale, if one has been specified.
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if (variable_get('ext_locale', 0)) {
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drupal_add_js($ext_path .'/build/locale/'. variable_get('ext_locale', 0));
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}
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// Load CSS. TODO: Add settings for this.
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drupal_add_css($ext_path .'/resources/css/ext-all.css');
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$loaded = TRUE;
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}
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}
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