joomla-2.5 /libraries/joomla/html/html/behavior.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  HTML
 *
 * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Utility class for javascript behaviors
 *
 * @package     Joomla.Platform
 * @subpackage  HTML
 * @since       11.1
 */
abstract class JHtmlBehavior
{
	/**
	 * @var   array   array containing information for loaded files
	 */
	protected static $loaded = array();

	/**
	 * Method to load the MooTools framework into the document head
	 *
	 * If debugging mode is on an uncompressed version of MooTools is included for easier debugging.
	 *
	 * @param   string   $extras  MooTools file to load
	 * @param   boolean  $debug   Is debugging mode on? [optional]
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function framework($extras = false, $debug = null)
	{
		$type = $extras ? 'more' : 'core';

		// Only load once
		if (!empty(self::$loaded[__METHOD__][$type]))
		{
			return;
		}

		// If no debugging value is set, use the configuration setting
		if ($debug === null)
		{
			$config = JFactory::getConfig();
			$debug = $config->get('debug');
		}

		if ($type != 'core' && empty(self::$loaded[__METHOD__]['core']))
		{
			self::framework(false, $debug);
		}

		JHtml::_('script', 'system/mootools-' . $type . '.js', false, true, false, false, $debug);
		JHtml::_('script', 'system/core.js', false, true);
		self::$loaded[__METHOD__][$type] = true;

		return;
	}

	/**
	 * Deprecated. Use JHtmlBehavior::framework() instead.
	 *
	 * @param   boolean  $debug  Is debugging mode on? [optional]
	 *
	 * @return  void
	 *
	 * @since   11.1
	 *
	 * @deprecated    12.1
	 */
	public static function mootools($debug = null)
	{
		// Deprecation warning.
		JLog::add('JBehavior::mootools is deprecated.', JLog::WARNING, 'deprecated');

		self::framework(true, $debug);
	}

	/**
	 * Add unobtrusive javascript support for image captions.
	 *
	 * @param   string  $selector  The selector for which a caption behaviour is to be applied.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function caption($selector = 'img.caption')
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__][$selector]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/caption.js', true, true);

		// Attach caption to document
		JFactory::getDocument()->addScriptDeclaration(
			"window.addEvent('load', function() {
				new JCaption('" . $selector . "');
			});"
		);

		// Set static array
		self::$loaded[__METHOD__][$selector] = true;
	}

	/**
	 * Add unobtrusive javascript support for form validation.
	 *
	 * To enable form validation the form tag must have class="form-validate".
	 * Each field that needs to be validated needs to have class="validate".
	 * Additional handlers can be added to the handler for username, password,
	 * numeric and email. To use these add class="validate-email" and so on.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function formvalidation()
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/validate.js', true, true);
		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Add unobtrusive javascript support for submenu switcher support in
	 * Global Configuration and System Information.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function switcher()
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/switcher.js', true, true);

		$script = "
			document.switcher = null;
			window.addEvent('domready', function(){
				toggler = document.id('submenu');
				element = document.id('config-document');
				if (element) {
					document.switcher = new JSwitcher(toggler, element, {cookieName: toggler.getProperty('class')});
				}
			});";

		JFactory::getDocument()->addScriptDeclaration($script);
		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Add unobtrusive javascript support for a combobox effect.
	 *
	 * Note that this control is only reliable in absolutely positioned elements.
	 * Avoid using a combobox in a slider or dynamic pane.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function combobox()
	{
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}
		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/combobox.js', true, true);
		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Add unobtrusive javascript support for a hover tooltips.
	 *
	 * Add a title attribute to any element in the form
	 * title="title::text"
	 *
	 *
	 * Uses the core Tips class in MooTools.
	 *
	 * @param   string  $selector  The class selector for the tooltip.
	 * @param   array   $params    An array of options for the tooltip.
	 *                             Options for the tooltip can be:
	 *                             - maxTitleChars  integer   The maximum number of characters in the tooltip title (defaults to 50).
	 *                             - offsets        object    The distance of your tooltip from the mouse (defaults to {'x': 16, 'y': 16}).
	 *                             - showDelay      integer   The millisecond delay the show event is fired (defaults to 100).
	 *                             - hideDelay      integer   The millisecond delay the hide hide is fired (defaults to 100).
	 *                             - className      string    The className your tooltip container will get.
	 *                             - fixed          boolean   If set to true, the toolTip will not follow the mouse.
	 *                             - onShow         function  The default function for the show event, passes the tip element
	 *                               and the currently hovered element.
	 *                             - onHide         function  The default function for the hide event, passes the currently
	 *                               hovered element.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function tooltip($selector = '.hasTip', $params = array())
	{
		$sig = md5(serialize(array($selector, $params)));
		if (isset(self::$loaded[__METHOD__][$sig]))
		{
			return;
		}

		// Include MooTools framework
		self::framework(true);

		// Setup options object
		$opt['maxTitleChars']	= (isset($params['maxTitleChars']) && ($params['maxTitleChars'])) ? (int) $params['maxTitleChars'] : 50;
		// offsets needs an array in the format: array('x'=>20, 'y'=>30)
		$opt['offset']			= (isset($params['offset']) && (is_array($params['offset']))) ? $params['offset'] : null;
		if (!isset($opt['offset']))
		{
			// Supporting offsets parameter which was working in mootools 1.2 (Joomla!1.5)
			$opt['offset']		= (isset($params['offsets']) && (is_array($params['offsets']))) ? $params['offsets'] : null;
		}
		$opt['showDelay']		= (isset($params['showDelay'])) ? (int) $params['showDelay'] : null;
		$opt['hideDelay']		= (isset($params['hideDelay'])) ? (int) $params['hideDelay'] : null;
		$opt['className']		= (isset($params['className'])) ? $params['className'] : null;
		$opt['fixed']			= (isset($params['fixed']) && ($params['fixed'])) ? true : false;
		$opt['onShow']			= (isset($params['onShow'])) ? '\\' . $params['onShow'] : null;
		$opt['onHide']			= (isset($params['onHide'])) ? '\\' . $params['onHide'] : null;

		$options = JHtmlBehavior::_getJSObject($opt);

		// Attach tooltips to document
		JFactory::getDocument()->addScriptDeclaration(
			"window.addEvent('domready', function() {
			$$('$selector').each(function(el) {
				var title = el.get('title');
				if (title) {
					var parts = title.split('::', 2);
					el.store('tip:title', parts[0]);
					el.store('tip:text', parts[1]);
				}
			});
			var JTooltips = new Tips($$('$selector'), $options);
		});"
		);

		// Set static array
		self::$loaded[__METHOD__][$sig] = true;

		return;
	}

	/**
	 * Add unobtrusive javascript support for modal links.
	 *
	 * @param   string  $selector  The selector for which a modal behaviour is to be applied.
	 * @param   array   $params    An array of parameters for the modal behaviour.
	 *                             Options for the modal behaviour can be:
	 *                            - ajaxOptions
	 *                            - size
	 *                            - shadow
	 *                            - overlay
	 *                            - onOpen
	 *                            - onClose
	 *                            - onUpdate
	 *                            - onResize
	 *                            - onShow
	 *                            - onHide
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function modal($selector = 'a.modal', $params = array())
	{
		$document = JFactory::getDocument();

		// Load the necessary files if they haven't yet been loaded
		if (!isset(self::$loaded[__METHOD__]))
		{
			// Include MooTools framework
			self::framework();

			// Load the javascript and css
			JHtml::_('script', 'system/modal.js', true, true);
			JHtml::_('stylesheet', 'system/modal.css', array(), true);
		}

		$sig = md5(serialize(array($selector, $params)));
		if (isset(self::$loaded[__METHOD__][$sig]))
		{
			return;
		}

		// Setup options object
		$opt['ajaxOptions']		= (isset($params['ajaxOptions']) && (is_array($params['ajaxOptions']))) ? $params['ajaxOptions'] : null;
		$opt['handler']			= (isset($params['handler'])) ? $params['handler'] : null;
		$opt['fullScreen']		= (isset($params['fullScreen'])) ? (bool) $params['fullScreen'] : null;
		$opt['parseSecure']		= (isset($params['parseSecure'])) ? (bool) $params['parseSecure'] : null;
		$opt['closable']		= (isset($params['closable'])) ? (bool) $params['closable'] : null;
		$opt['closeBtn']		= (isset($params['closeBtn'])) ? (bool) $params['closeBtn'] : null;
		$opt['iframePreload']	= (isset($params['iframePreload'])) ? (bool) $params['iframePreload'] : null;
		$opt['iframeOptions']	= (isset($params['iframeOptions']) && (is_array($params['iframeOptions']))) ? $params['iframeOptions'] : null;
		$opt['size']			= (isset($params['size']) && (is_array($params['size']))) ? $params['size'] : null;
		$opt['shadow']			= (isset($params['shadow'])) ? $params['shadow'] : null;
		$opt['overlay']			= (isset($params['overlay'])) ? $params['overlay'] : null;
		$opt['onOpen']			= (isset($params['onOpen'])) ? $params['onOpen'] : null;
		$opt['onClose']			= (isset($params['onClose'])) ? $params['onClose'] : null;
		$opt['onUpdate']		= (isset($params['onUpdate'])) ? $params['onUpdate'] : null;
		$opt['onResize']		= (isset($params['onResize'])) ? $params['onResize'] : null;
		$opt['onMove']			= (isset($params['onMove'])) ? $params['onMove'] : null;
		$opt['onShow']			= (isset($params['onShow'])) ? $params['onShow'] : null;
		$opt['onHide']			= (isset($params['onHide'])) ? $params['onHide'] : null;

		$options = JHtmlBehavior::_getJSObject($opt);

		// Attach modal behavior to document
		$document
			->addScriptDeclaration(
			"
		window.addEvent('domready', function() {

			SqueezeBox.initialize(" . $options . ");
			SqueezeBox.assign($$('" . $selector . "'), {
				parse: 'rel'
			});
		});"
		);

		// Set static array
		self::$loaded[__METHOD__][$sig] = true;

		return;
	}

	/**
	 * JavaScript behavior to allow shift select in grids
	 *
	 * @param   string  $id  The id of the form for which a multiselect behaviour is to be applied.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function multiselect($id = 'adminForm')
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__][$id]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/multiselect.js', true, true);

		// Attach multiselect to document
		JFactory::getDocument()->addScriptDeclaration(
			"window.addEvent('domready', function() {
				new Joomla.JMultiSelect('" . $id . "');
			});"
		);

		// Set static array
		self::$loaded[__METHOD__][$id] = true;
		return;
	}

	/**
	 * Add unobtrusive javascript support for the advanced uploader.
	 *
	 * @param   string  $id            An index.
	 * @param   array   $params        An array of options for the uploader.
	 * @param   string  $upload_queue  The HTML id of the upload queue element (??).
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function uploader($id = 'file-upload', $params = array(), $upload_queue = 'upload-queue')
	{
		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/swf.js', true, true);
		JHtml::_('script', 'system/progressbar.js', true, true);
		JHtml::_('script', 'system/uploader.js', true, true);

		$document = JFactory::getDocument();

		if (!isset(self::$loaded[__METHOD__]))
		{
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_FILENAME');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_UPLOAD_COMPLETED');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ERROR_OCCURRED');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ALL_FILES');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_PROGRESS_OVERALL');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_CURRENT_TITLE');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_REMOVE');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_REMOVE_TITLE');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_CURRENT_FILE');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_CURRENT_PROGRESS');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_FILE_ERROR');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_FILE_SUCCESSFULLY_UPLOADED');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_VALIDATION_ERROR_DUPLICATE');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_VALIDATION_ERROR_SIZELIMITMIN');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_VALIDATION_ERROR_SIZELIMITMAX');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_VALIDATION_ERROR_FILELISTMAX');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_VALIDATION_ERROR_FILELISTSIZEMAX');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ERROR_HTTPSTATUS');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ERROR_SECURITYERROR');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ERROR_IOERROR');
			JText::script('JLIB_HTML_BEHAVIOR_UPLOADER_ALL_FILES');
		}

		if (isset(self::$loaded[__METHOD__][$id]))
		{
			return;
		}

		$onFileSuccess = '\\function(file, response) {
			var json = new Hash(JSON.decode(response, true) || {});

			if (json.get(\'status\') == \'1\') {
				file.element.addClass(\'file-success\');
				file.info.set(\'html\', \'<strong>\' + Joomla.JText._(\'JLIB_HTML_BEHAVIOR_UPLOADER_FILE_SUCCESSFULLY_UPLOADED\') + \'</strong>\');
			} else {
				file.element.addClass(\'file-failed\');
				file.info.set(\'html\', \'<strong>\' +
					Joomla.JText._(\'JLIB_HTML_BEHAVIOR_UPLOADER_ERROR_OCCURRED\',
						\'An Error Occurred\').substitute({ error: json.get(\'error\') }) + \'</strong>\');
			}
		}';

		// Setup options object
		$opt['verbose']			= true;
		$opt['url']				= (isset($params['targetURL'])) ? $params['targetURL'] : null;
		$opt['path']			= (isset($params['swf'])) ? $params['swf'] : JURI::root(true) . '/media/system/swf/uploader.swf';
		$opt['height']			= (isset($params['height'])) && $params['height'] ? (int) $params['height'] : null;
		$opt['width']			= (isset($params['width'])) && $params['width'] ? (int) $params['width'] : null;
		$opt['multiple']		= (isset($params['multiple']) && !($params['multiple'])) ? false : true;
		$opt['queued']			= (isset($params['queued']) && !($params['queued'])) ? (int) $params['queued'] : null;
		$opt['target']			= (isset($params['target'])) ? $params['target'] : '\\document.id(\'upload-browse\')';
		$opt['instantStart']	= (isset($params['instantStart']) && ($params['instantStart'])) ? true : false;
		$opt['allowDuplicates']	= (isset($params['allowDuplicates']) && !($params['allowDuplicates'])) ? false : true;
		// limitSize is the old parameter name.  Remove in 1.7
		$opt['fileSizeMax']		= (isset($params['limitSize']) && ($params['limitSize'])) ? (int) $params['limitSize'] : null;
		// fileSizeMax is the new name.  If supplied, it will override the old value specified for limitSize
		$opt['fileSizeMax']		= (isset($params['fileSizeMax']) && ($params['fileSizeMax'])) ? (int) $params['fileSizeMax'] : $opt['fileSizeMax'];
		$opt['fileSizeMin']		= (isset($params['fileSizeMin']) && ($params['fileSizeMin'])) ? (int) $params['fileSizeMin'] : null;
		// limitFiles is the old parameter name.  Remove in 1.7
		$opt['fileListMax']		= (isset($params['limitFiles']) && ($params['limitFiles'])) ? (int) $params['limitFiles'] : null;
		// fileListMax is the new name.  If supplied, it will override the old value specified for limitFiles
		$opt['fileListMax']		= (isset($params['fileListMax']) && ($params['fileListMax'])) ? (int) $params['fileListMax'] : $opt['fileListMax'];
		$opt['fileListSizeMax'] = (isset($params['fileListSizeMax']) && ($params['fileListSizeMax'])) ? (int) $params['fileListSizeMax'] : null;
		// types is the old parameter name.  Remove in 1.7
		$opt['typeFilter']		= (isset($params['types'])) ? '\\' . $params['types']
		: '\\{Joomla.JText._(\'JLIB_HTML_BEHAVIOR_UPLOADER_ALL_FILES\'): \'*.*\'}';
		$opt['typeFilter']		= (isset($params['typeFilter'])) ? '\\' . $params['typeFilter'] : $opt['typeFilter'];

		// Optional functions
		$opt['createReplacement']	= (isset($params['createReplacement'])) ? '\\' . $params['createReplacement'] : null;
		$opt['onFileComplete']		= (isset($params['onFileComplete'])) ? '\\' . $params['onFileComplete'] : null;
		$opt['onBeforeStart']		= (isset($params['onBeforeStart'])) ? '\\' . $params['onBeforeStart'] : null;
		$opt['onStart']				= (isset($params['onStart'])) ? '\\' . $params['onStart'] : null;
		$opt['onComplete']			= (isset($params['onComplete'])) ? '\\' . $params['onComplete'] : null;
		$opt['onFileSuccess']		= (isset($params['onFileSuccess'])) ? '\\' . $params['onFileSuccess'] : $onFileSuccess;

		if (!isset($params['startButton']))
		{
			$params['startButton'] = 'upload-start';
		}

		if (!isset($params['clearButton']))
		{
			$params['clearButton'] = 'upload-clear';
		}

		$opt['onLoad'] = '\\function() {
				document.id(\'' . $id
			. '\').removeClass(\'hide\'); // we show the actual UI
				document.id(\'upload-noflash\').destroy(); // ... and hide the plain form

				// We relay the interactions with the overlayed flash to the link
				this.target.addEvents({
					click: function() {
						return false;
					},
					mouseenter: function() {
						this.addClass(\'hover\');
					},
					mouseleave: function() {
						this.removeClass(\'hover\');
						this.blur();
					},
					mousedown: function() {
						this.focus();
					}
				});

				// Interactions for the 2 other buttons

				document.id(\'' . $params['clearButton']
			. '\').addEvent(\'click\', function() {
					Uploader.remove(); // remove all files
					return false;
				});

				document.id(\'' . $params['startButton']
			. '\').addEvent(\'click\', function() {
					Uploader.start(); // start upload
					return false;
				});
			}';

		$options = JHtmlBehavior::_getJSObject($opt);

		// Attach tooltips to document
		$uploaderInit = 'window.addEvent(\'domready\', function(){
				var Uploader = new FancyUpload2(document.id(\'' . $id . '\'), document.id(\'' . $upload_queue . '\'), ' . $options . ' );
				});';
		$document->addScriptDeclaration($uploaderInit);

		// Set static array
		self::$loaded[__METHOD__][$id] = true;

		return;
	}

	/**
	 * Add unobtrusive javascript support for a collapsible tree.
	 *
	 * @param   string  $id      An index
	 * @param   array   $params  An array of options.
	 * @param   array   $root    The root node
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function tree($id, $params = array(), $root = array())
	{
		// Include MooTools framework
		self::framework();

		JHtml::_('script', 'system/mootree.js', true, true, false, false);
		JHtml::_('stylesheet', 'system/mootree.css', array(), true);

		if (isset(self::$loaded[__METHOD__][$id]))
		{
			return;
		}

		// Setup options object
		$opt['div']		= (array_key_exists('div', $params)) ? $params['div'] : $id . '_tree';
		$opt['mode']	= (array_key_exists('mode', $params)) ? $params['mode'] : 'folders';
		$opt['grid']	= (array_key_exists('grid', $params)) ? '\\' . $params['grid'] : true;
		$opt['theme']	= (array_key_exists('theme', $params)) ? $params['theme'] : JHtml::_('image', 'system/mootree.gif', '', array(), true, true);

		// Event handlers
		$opt['onExpand']	= (array_key_exists('onExpand', $params)) ? '\\' . $params['onExpand'] : null;
		$opt['onSelect']	= (array_key_exists('onSelect', $params)) ? '\\' . $params['onSelect'] : null;
		$opt['onClick']		= (array_key_exists('onClick', $params)) ? '\\' . $params['onClick']
		: '\\function(node){  window.open(node.data.url, node.data.target != null ? node.data.target : \'_self\'); }';

		$options = JHtmlBehavior::_getJSObject($opt);

		// Setup root node
		$rt['text']		= (array_key_exists('text', $root)) ? $root['text'] : 'Root';
		$rt['id']		= (array_key_exists('id', $root)) ? $root['id'] : null;
		$rt['color']	= (array_key_exists('color', $root)) ? $root['color'] : null;
		$rt['open']		= (array_key_exists('open', $root)) ? '\\' . $root['open'] : true;
		$rt['icon']		= (array_key_exists('icon', $root)) ? $root['icon'] : null;
		$rt['openicon']	= (array_key_exists('openicon', $root)) ? $root['openicon'] : null;
		$rt['data']		= (array_key_exists('data', $root)) ? $root['data'] : null;
		$rootNode = JHtmlBehavior::_getJSObject($rt);

		$treeName = (array_key_exists('treeName', $params)) ? $params['treeName'] : '';

		$js = '		window.addEvent(\'domready\', function(){
			tree' . $treeName . ' = new MooTreeControl(' . $options . ',' . $rootNode . ');
			tree' . $treeName . '.adopt(\'' . $id . '\');})';

		// Attach tooltips to document
		$document = JFactory::getDocument();
		$document->addScriptDeclaration($js);

		// Set static array
		self::$loaded[__METHOD__][$id] = true;

		return;
	}

	/**
	 * Add unobtrusive javascript support for a calendar control.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function calendar()
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		$document = JFactory::getDocument();
		$tag = JFactory::getLanguage()->getTag();

		JHtml::_('stylesheet', 'system/calendar-jos.css', array(' title' => JText::_('JLIB_HTML_BEHAVIOR_GREEN'), ' media' => 'all'), true);
		JHtml::_('script', $tag . '/calendar.js', false, true);
		JHtml::_('script', $tag . '/calendar-setup.js', false, true);

		$translation = JHtmlBehavior::_calendartranslation();
		if ($translation)
		{
			$document->addScriptDeclaration($translation);
		}
		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Add unobtrusive javascript support for a color picker.
	 *
	 * @return  void
	 *
	 * @since   11.2
	 */
	public static function colorpicker()
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		// Include MooTools framework
		self::framework(true);

		JHtml::_('stylesheet', 'system/mooRainbow.css', array('media' => 'all'), true);
		JHtml::_('script', 'system/mooRainbow.js', false, true);

		JFactory::getDocument()
			->addScriptDeclaration(
			"window.addEvent('domready', function(){
				var nativeColorUi = false;
				if (Browser.opera && (Browser.version >= 11.5)) {
					nativeColorUi = true;
				}
				$$('.input-colorpicker').each(function(item){
					if (nativeColorUi) {
						item.type = 'color';
					} else {
						new MooRainbow(item, {
							id: item.id,
							imgPath: '" . JURI::root(true) . "/media/system/images/mooRainbow/',
							onComplete: function(color) {
								this.element.value = color.hex;
							},
							startColor: item.value.hexToRgb(true) ? item.value.hexToRgb(true) : [0, 0, 0]
						});
					}
				});
			});
		");

		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Keep session alive, for example, while editing or creating an article.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function keepalive()
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		$config = JFactory::getConfig();
		$lifetime = ($config->get('lifetime') * 60000);
		$refreshTime = ($lifetime <= 60000) ? 30000 : $lifetime - 60000;
		// Refresh time is 1 minute less than the liftime assined in the configuration.php file.

		// the longest refresh period is one hour to prevent integer overflow.
		if ($refreshTime > 3600000 || $refreshTime <= 0)
		{
			$refreshTime = 3600000;
		}

		$document = JFactory::getDocument();
		$script = '';
		$script .= 'function keepAlive() {';
		$script .= '	var myAjax = new Request({method: "get", url: "index.php"}).send();';
		$script .= '}';
		$script .= ' window.addEvent("domready", function()';
		$script .= '{ keepAlive.periodical(' . $refreshTime . '); }';
		$script .= ');';

		$document->addScriptDeclaration($script);
		self::$loaded[__METHOD__] = true;

		return;
	}

	/**
	 * Highlight some words via Javascript.
	 *
	 * @param   array   $terms      Array of words that should be highlighted.
	 * @param   string  $start      ID of the element that marks the begin of the section in which words
	 *                              should be highlighted. Note this element will be removed from the DOM.
	 * @param   string  $end        ID of the element that end this section.
	 *                              Note this element will be removed from the DOM.
	 * @param   string  $className  Class name of the element highlights are wrapped in.
	 * @param   string  $tag        Tag that will be used to wrap the highlighted words.
	 *
	 * @return  void
	 *
	 * @since   11.4
	 */
	public static function highlighter(array $terms, $start = 'highlighter-start', $end = 'highlighter-end', $className = 'highlight', $tag = 'span')
	{
		$sig = md5(serialize(array($terms, $start, $end)));
		if (isset(self::$loaded[__METHOD__][$sig]))
		{
			return;
		}

		JHtml::_('script', 'system/highlighter.js', true, true);

		$terms = str_replace('"', '\"', $terms);

		$document = JFactory::getDocument();
		$document->addScriptDeclaration("
			window.addEvent('domready', function () {
				var start = document.id('" . $start . "');
				var end = document.id('" . $end . "');
				if (!start || !end || !Joomla.Highlighter) {
					return true;
				}
				highlighter = new Joomla.Highlighter({
					startElement: start,
					endElement: end,
					className: '" . $className . "',
					onlyWords: false,
					tag: '" . $tag . "'
				}).highlight([\"" . implode('","', $terms) . "\"]);
				start.dispose();
				end.dispose();
			});
		");

		self::$loaded[__METHOD__][$sig] = true;

		return;
	}

	/**
	 * Break us out of any containing iframes
	 *
	 * @param   string  $location  Location to display in
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public static function noframes($location = 'top.location.href')
	{
		// Only load once
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		// Include MooTools framework
		self::framework();

		$js = "window.addEvent('domready', function () {if (top == self) {document.documentElement.style.display = 'block'; }" .
			" else {top.location = self.location; }});";
		$document = JFactory::getDocument();
		$document->addStyleDeclaration('html { display:none }');
		$document->addScriptDeclaration($js);

		JResponse::setHeader('X-Frames-Options', 'SAME-ORIGIN');

		self::$loaded[__METHOD__] = true;
	}

	/**
	 * Internal method to get a JavaScript object notation string from an array
	 *
	 * @param   array  $array  The array to convert to JavaScript object notation
	 *
	 * @return  string  JavaScript object notation representation of the array
	 *
	 * @since   11.1
	 */
	protected static function _getJSObject($array = array())
	{
		// Initialise variables.
		$object = '{';

		// Iterate over array to build objects
		foreach ((array) $array as $k => $v)
		{
			if (is_null($v))
			{
				continue;
			}

			if (is_bool($v))
			{
				if ($k === 'fullScreen')
				{
					$object .= 'size: { ';
					$object .= 'x: ';
					$object .= 'window.getSize().x-80';
					$object .= ',';
					$object .= 'y: ';
					$object .= 'window.getSize().y-80';
					$object .= ' }';
					$object .= ',';
				}
				else
				{
					$object .= ' ' . $k . ': ';
					$object .= ($v) ? 'true' : 'false';
					$object .= ',';
				}
			}
			elseif (!is_array($v) && !is_object($v))
			{
				$object .= ' ' . $k . ': ';
				$object .= (is_numeric($v) || strpos($v, '\\') === 0) ? (is_numeric($v)) ? $v : substr($v, 1) : "'" . $v . "'";
				$object .= ',';
			}
			else
			{
				$object .= ' ' . $k . ': ' . JHtmlBehavior::_getJSObject($v) . ',';
			}
		}

		if (substr($object, -1) == ',')
		{
			$object = substr($object, 0, -1);
		}

		$object .= '}';

		return $object;
	}

	/**
	 * Internal method to translate the JavaScript Calendar
	 *
	 * @return  string  JavaScript that translates the object
	 *
	 * @since   11.1
	 */
	protected static function _calendartranslation()
	{
		static $jsscript = 0;

		if ($jsscript == 0)
		{
			$return = 'Calendar._DN = new Array ("' . JText::_('SUNDAY', true) . '", "' . JText::_('MONDAY', true) . '", "'
				. JText::_('TUESDAY', true) . '", "' . JText::_('WEDNESDAY', true) . '", "' . JText::_('THURSDAY', true) . '", "'
				. JText::_('FRIDAY', true) . '", "' . JText::_('SATURDAY', true) . '", "' . JText::_('SUNDAY', true) . '");'
				. ' Calendar._SDN = new Array ("' . JText::_('SUN', true) . '", "' . JText::_('MON', true) . '", "' . JText::_('TUE', true) . '", "'
				. JText::_('WED', true) . '", "' . JText::_('THU', true) . '", "' . JText::_('FRI', true) . '", "' . JText::_('SAT', true) . '", "'
				. JText::_('SUN', true) . '");' . ' Calendar._FD = 0;' . ' Calendar._MN = new Array ("' . JText::_('JANUARY', true) . '", "'
				. JText::_('FEBRUARY', true) . '", "' . JText::_('MARCH', true) . '", "' . JText::_('APRIL', true) . '", "' . JText::_('MAY', true)
				. '", "' . JText::_('JUNE', true) . '", "' . JText::_('JULY', true) . '", "' . JText::_('AUGUST', true) . '", "'
				. JText::_('SEPTEMBER', true) . '", "' . JText::_('OCTOBER', true) . '", "' . JText::_('NOVEMBER', true) . '", "'
				. JText::_('DECEMBER', true) . '");' . ' Calendar._SMN = new Array ("' . JText::_('JANUARY_SHORT', true) . '", "'
				. JText::_('FEBRUARY_SHORT', true) . '", "' . JText::_('MARCH_SHORT', true) . '", "' . JText::_('APRIL_SHORT', true) . '", "'
				. JText::_('MAY_SHORT', true) . '", "' . JText::_('JUNE_SHORT', true) . '", "' . JText::_('JULY_SHORT', true) . '", "'
				. JText::_('AUGUST_SHORT', true) . '", "' . JText::_('SEPTEMBER_SHORT', true) . '", "' . JText::_('OCTOBER_SHORT', true) . '", "'
				. JText::_('NOVEMBER_SHORT', true) . '", "' . JText::_('DECEMBER_SHORT', true) . '");'
				. ' Calendar._TT = {};Calendar._TT["INFO"] = "' . JText::_('JLIB_HTML_BEHAVIOR_ABOUT_THE_CALENDAR', true) . '";'
				. ' Calendar._TT["ABOUT"] =
 "DHTML Date/Time Selector\n" +
 "(c) dynarch.com 2002-2005 / Author: Mihai Bazon\n" +
"For latest version visit: http://www.dynarch.com/projects/calendar/\n" +
"Distributed under GNU LGPL.  See http://gnu.org/licenses/lgpl.html for details." +
"\n\n" +
"' . JText::_('JLIB_HTML_BEHAVIOR_DATE_SELECTION', false, false) . '" +
"' . JText::_('JLIB_HTML_BEHAVIOR_YEAR_SELECT', false, false) . '" +
"' . JText::_('JLIB_HTML_BEHAVIOR_MONTH_SELECT', false, false) . '" +
"' . JText::_('JLIB_HTML_BEHAVIOR_HOLD_MOUSE', false, false)
				. '";
Calendar._TT["ABOUT_TIME"] = "\n\n" +
"Time selection:\n" +
"- Click on any of the time parts to increase it\n" +
"- or Shift-click to decrease it\n" +
"- or click and drag for faster selection.";

		Calendar._TT["PREV_YEAR"] = "' . JText::_('JLIB_HTML_BEHAVIOR_PREV_YEAR_HOLD_FOR_MENU', true) . '";' . ' Calendar._TT["PREV_MONTH"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_PREV_MONTH_HOLD_FOR_MENU', true) . '";' . ' Calendar._TT["GO_TODAY"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_GO_TODAY', true) . '";' . ' Calendar._TT["NEXT_MONTH"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_NEXT_MONTH_HOLD_FOR_MENU', true) . '";' . ' Calendar._TT["NEXT_YEAR"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_NEXT_YEAR_HOLD_FOR_MENU', true) . '";' . ' Calendar._TT["SEL_DATE"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_SELECT_DATE', true) . '";' . ' Calendar._TT["DRAG_TO_MOVE"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_DRAG_TO_MOVE', true) . '";' . ' Calendar._TT["PART_TODAY"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_TODAY', true) . '";' . ' Calendar._TT["DAY_FIRST"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_DISPLAY_S_FIRST', true) . '";' . ' Calendar._TT["WEEKEND"] = "0,6";' . ' Calendar._TT["CLOSE"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_CLOSE', true) . '";' . ' Calendar._TT["TODAY"] = "' . JText::_('JLIB_HTML_BEHAVIOR_TODAY', true)
				. '";' . ' Calendar._TT["TIME_PART"] = "' . JText::_('JLIB_HTML_BEHAVIOR_SHIFT_CLICK_OR_DRAG_TO_CHANGE_VALUE', true) . '";'
				. ' Calendar._TT["DEF_DATE_FORMAT"] = "%Y-%m-%d";' . ' Calendar._TT["TT_DATE_FORMAT"] = "'
				. JText::_('JLIB_HTML_BEHAVIOR_TT_DATE_FORMAT', true) . '";' . ' Calendar._TT["WK"] = "' . JText::_('JLIB_HTML_BEHAVIOR_WK', true) . '";'
				. ' Calendar._TT["TIME"] = "' . JText::_('JLIB_HTML_BEHAVIOR_TIME', true) . '";';
			$jsscript = 1;
			return $return;
		}
		else
		{
			return false;
		}
	}
}
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