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/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category ZendX
* @package ZendX_JQuery
* @subpackage View
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see ZendX_JQuery
*/
require_once 'ZendX/JQuery.php';
/**
* jQuery View Helper. Transports all jQuery stack and render information across all views.
*
* @uses ZendX_JQuery_View_Helper_JQuery_Container
* @package ZendX_JQuery
* @subpackage View
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class ZendX_JQuery_View_Helper_JQuery_Container
{
/**
* Path to local webserver jQuery library
*
* @var String
*/
protected $_jqueryLibraryPath = null;
/**
* Additional javascript files that for jQuery Helper components.
*
* @var Array
*/
protected $_javascriptSources = array();
/**
* Indicates wheater the jQuery View Helper is enabled.
*
* @var Boolean
*/
protected $_enabled = false;
/**
* Indicates if a capture start method for javascript or onLoad has been called.
*
* @var Boolean
*/
protected $_captureLock = false;
/**
* Additional javascript statements that need to be executed after jQuery lib.
*
* @var Array
*/
protected $_javascriptStatements = array();
/**
* Additional stylesheet files for jQuery related components.
*
* @var Array
*/
protected $_stylesheets = array();
/**
* jQuery onLoad statements Stack
*
* @var Array
*/
protected $_onLoadActions = array();
/**
* View is rendered in XHTML or not.
*
* @var Boolean
*/
protected $_isXhtml = false;
/**
* Default CDN jQuery Library version
*
* @var String
*/
protected $_version = ZendX_JQuery::DEFAULT_JQUERY_VERSION;
/**
* Default Render Mode (all parts)
*
* @var Integer
*/
protected $_renderMode = ZendX_JQuery::RENDER_ALL;
/**
* jQuery UI Library Enabled
*
* @var Boolean
*/
protected $_uiEnabled = false;
/**
* Local jQuery UI Path. Use Google CDN if
* variable is null
*
* @var String
*/
protected $_uiPath = null;
/**
* jQuery UI Google CDN Version
*
* @var String
*/
protected $_uiVersion = ZendX_JQuery::DEFAULT_UI_VERSION;
/**
* Load CDN Path from SSL or Non-SSL?
*
* @var boolean
*/
protected $_loadSslCdnPath = false;
/**
* View Instance
*
* @var Zend_View_Interface
*/
public $view = null;
/**
* Set view object
*
* @param Zend_View_Interface $view
* @return void
*/
public function setView(Zend_View_Interface $view)
{
$this->view = $view;
}
/**
* Enable jQuery
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function enable()
{
$this->_enabled = true;
return $this;
}
/**
* Disable jQuery
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function disable()
{
$this->uiDisable();
$this->_enabled = false;
return $this;
}
/**
* Is jQuery enabled?
*
* @return boolean
*/
public function isEnabled()
{
return $this->_enabled;
}
/**
* Set the version of the jQuery library used.
*
* @param string $version
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setVersion($version)
{
$this->_version = $version;
return $this;
}
/**
* Get the version used with the jQuery library
*
* @return string
*/
public function getVersion()
{
return $this->_version;
}
/**
* Use CDN, using version specified. Currently supported
* by Googles Ajax Library API are: 1.2.3, 1.2.6
*
* @deprecated As of version 1.8, use {@link setVersion()} instead.
* @param string $version
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setCdnVersion($version = null)
{
return $this->setVersion($version);
}
/**
* Get CDN version
*
* @deprecated As of version 1.8, use {@link getVersion()} instead.
* @return string
*/
public function getCdnVersion()
{
return $this->getVersion();
}
/**
* Set Use SSL on CDN Flag
*
* @param bool $flag
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setCdnSsl($flag)
{
$this->_loadSslCdnPath = (boolean) $flag;
return $this;
}
/**
* Get Flag of SSL on CDN
*
* @return boolean True if SSL is used on CDN
*/
public function getCdnSsl()
{
return $this->_loadSslCdnPath;
}
/**
* Are we using the CDN?
*
* @return boolean
*/
public function useCdn()
{
return !$this->useLocalPath();
}
/**
* Set path to local jQuery library
*
* @param string $path
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setLocalPath($path)
{
$this->_jqueryLibraryPath = (string) $path;
return $this;
}
/**
* Enable jQuery UI Library Rendering
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function uiEnable()
{
$this->enable();
$this->_uiEnabled = true;
return $this;
}
/**
* Disable jQuery UI Library Rendering
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function uiDisable()
{
$this->_uiEnabled = false;
return $this;
}
/**
* Check wheater currently the jQuery UI library is enabled.
*
* @return boolean
*/
public function uiIsEnabled()
{
return $this->_uiEnabled;
}
/**
* Set jQuery UI version used.
*
* @param string $version
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setUiVersion($version)
{
$this->_uiVersion = $version;
return $this;
}
/**
* Get jQuery UI Version used.
*
* @return string
*/
public function getUiVersion()
{
return $this->_uiVersion;
}
/**
* Set jQuery UI CDN Version
*
* @deprecated As of 1.8 use {@link setUiVersion()}
*
* @param string $version
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setUiCdnVersion($version = '1.5.2')
{
return $this->setUiVersion($version);
}
/**
* Return jQuery UI CDN Version
*
* @deprecated As of 1.8 use {@link getUiVersion()}
*
* @return String
*/
public function getUiCdnVersion()
{
return $this->getUiVersion();
}
/**
* Set local path to jQuery UI library
*
* @param String $path
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setUiLocalPath($path)
{
$this->_uiPath = (string) $path;
return $this;
}
/**
* Return the local jQuery UI Path if set.
*
* @return string
*/
public function getUiPath()
{
return $this->_uiPath;
}
/**
* Proxies to getUiPath() for consistency in function naming.
*
* @return string
*/
public function getUiLocalPath()
{
return $this->getUiPath();
}
/**
* Is the jQuery Ui loaded from local scope?
*
* @return boolean
*/
public function useUiLocal()
{
return (null === $this->_uiPath) ? false : true;
}
/**
* Is the jQuery Ui enabled and loaded from CDN?
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function useUiCdn()
{
return !$this->useUiLocal();
}
/**
* Get local path to jQuery
*
* @return string
*/
public function getLocalPath()
{
return $this->_jqueryLibraryPath;
}
/**
* Are we using a local path?
*
* @return boolean
*/
public function useLocalPath()
{
return (null === $this->_jqueryLibraryPath) ? false : true;
}
/**
* Start capturing routines to run onLoad
*
* @return boolean
* @throws Zend_Exception
*/
public function onLoadCaptureStart()
{
if ($this->_captureLock) {
require_once 'Zend/Exception.php';
throw new Zend_Exception('Cannot nest onLoad captures');
}
$this->_captureLock = true;
return ob_start();
}
/**
* Stop capturing routines to run onLoad
*
* @return boolean
*/
public function onLoadCaptureEnd()
{
$data = ob_get_clean();
$this->_captureLock = false;
$this->addOnLoad($data);
return true;
}
/**
* Capture arbitrary javascript to include in jQuery script
*
* @return boolean
* @throws Zend_Exception
*/
public function javascriptCaptureStart()
{
if ($this->_captureLock) {
require_once 'Zend/Exception.php';
throw new Zend_Exception('Cannot nest captures');
}
$this->_captureLock = true;
return ob_start();
}
/**
* Finish capturing arbitrary javascript to include in jQuery script
*
* @return boolean
*/
public function javascriptCaptureEnd()
{
$data = ob_get_clean();
$this->_captureLock = false;
$this->addJavascript($data);
return true;
}
/**
* Add a Javascript File to the include stack.
*
* @param string $path
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function addJavascriptFile($path)
{
$path = (string) $path;
if (!in_array($path, $this->_javascriptSources)) {
$this->_javascriptSources[] = $path;
}
return $this;
}
/**
* Return all currently registered Javascript files.
*
* This does not include the jQuery library, which is handled by another retrieval
* strategy.
*
* @return array
*/
public function getJavascriptFiles()
{
return $this->_javascriptSources;
}
/**
* Clear all currently registered Javascript files.
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function clearJavascriptFiles()
{
$this->_javascriptSources = array();
return $this;
}
/**
* Add arbitrary javascript to execute in jQuery JS container
*
* @param string $js
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function addJavascript($js)
{
$this->_javascriptStatements[] = $js;
$this->enable();
return $this;
}
/**
* Return all registered javascript statements
*
* @return array
*/
public function getJavascript()
{
return $this->_javascriptStatements;
}
/**
* Clear arbitrary javascript stack
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function clearJavascript()
{
$this->_javascriptStatements = array();
return $this;
}
/**
* Add a stylesheet
*
* @param string $path
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function addStylesheet($path)
{
$path = (string) $path;
if (!in_array($path, $this->_stylesheets)) {
$this->_stylesheets[] = (string) $path;
}
return $this;
}
/**
* Retrieve registered stylesheets
*
* @return array
*/
public function getStylesheets()
{
return $this->_stylesheets;
}
/**
* Clear all currently registered stylesheets files
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function clearStylesheets()
{
$this->_stylesheets = array();
return $this;
}
/**
* Add a script to execute onLoad
*
* @param string $callback Lambda
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function addOnLoad($callback)
{
if (!in_array($callback, $this->_onLoadActions, true)) {
$this->_onLoadActions[] = $callback;
}
$this->enable();
return $this;
}
/**
* Retrieve all registered onLoad actions
*
* @return array
*/
public function getOnLoadActions()
{
return $this->_onLoadActions;
}
/**
* Clear the onLoadActions stack.
*
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function clearOnLoadActions()
{
$this->_onLoadActions = array();
return $this;
}
/**
* Set which parts of the jQuery enviroment should be rendered.
*
* This function allows for a gradual refactoring of the jQuery code
* rendered by calling __toString(). Use ZendX_JQuery::RENDER_*
* constants. By default all parts of the enviroment are rendered.
*
* @see ZendX_JQuery::RENDER_ALL
* @param integer $mask
* @return ZendX_JQuery_View_Helper_JQuery_Container
*/
public function setRenderMode($mask)
{
$this->_renderMode = $mask;
return $this;
}
/**
* Return bitmask of the current Render Mode
* @return integer
*/
public function getRenderMode()
{
return $this->_renderMode;
}
/**
* String representation of jQuery environment
*
* @return string
*/
public function __toString()
{
if (!$this->isEnabled()) {
return '';
}
$this->_isXhtml = $this->view->doctype()->isXhtml();
$html = $this->_renderStylesheets() . PHP_EOL
. $this->_renderScriptTags() . PHP_EOL
. $this->_renderExtras();
return $html;
}
/**
* Render jQuery stylesheets
*
* @return string
*/
protected function _renderStylesheets()
{
if(0 == ($this->getRenderMode() & ZendX_JQuery::RENDER_STYLESHEETS)) {
return '';
}
foreach ($this->getStylesheets() as $stylesheet) {
$stylesheets[] = $stylesheet;
}
if (empty($stylesheets)) {
return '';
}
array_reverse($stylesheets);
$style = '';
foreach($stylesheets AS $stylesheet) {
if ($this->view instanceof Zend_View_Abstract) {
$closingBracket = ($this->view->doctype()->isXhtml()) ? ' />' : '>';
} else {
$closingBracket = ' />';
}
$style .= '<link rel="stylesheet" href="'.$stylesheet.'" '.
'type="text/css" media="screen"' . $closingBracket . PHP_EOL;
}
return $style;
}
/**
* Renders all javascript file related stuff of the jQuery enviroment.
*
* @return string
*/
protected function _renderScriptTags()
{
$scriptTags = '';
if( ($this->getRenderMode() & ZendX_JQuery::RENDER_LIBRARY) > 0) {
$source = $this->_getJQueryLibraryPath();
$scriptTags .= '<script type="text/javascript" src="' . $source . '"></script>' . PHP_EOL;
if($this->uiIsEnabled()) {
$uiPath = $this->_getJQueryUiLibraryPath();
$scriptTags .= '<script type="text/javascript" src="'.$uiPath.'"></script>' . PHP_EOL;
}
if(ZendX_JQuery_View_Helper_JQuery::getNoConflictMode() == true) {
$scriptTags .= '<script type="text/javascript">var $j = jQuery.noConflict();</script>' . PHP_EOL;
}
}
if( ($this->getRenderMode() & ZendX_JQuery::RENDER_SOURCES) > 0) {
foreach($this->getJavascriptFiles() AS $javascriptFile) {
$scriptTags .= '<script type="text/javascript" src="' . $javascriptFile . '"></script>' . PHP_EOL;
}
}
return $scriptTags;
}
/**
* Renders all javascript code related stuff of the jQuery enviroment.
*
* @return string
*/
protected function _renderExtras()
{
$onLoadActions = array();
if( ($this->getRenderMode() & ZendX_JQuery::RENDER_JQUERY_ON_LOAD) > 0) {
foreach ($this->getOnLoadActions() as $callback) {
$onLoadActions[] = $callback;
}
}
$javascript = '';
if( ($this->getRenderMode() & ZendX_JQuery::RENDER_JAVASCRIPT) > 0) {
$javascript = implode("\n ", $this->getJavascript());
}
$content = '';
if (!empty($onLoadActions)) {
if(true === ZendX_JQuery_View_Helper_JQuery::getNoConflictMode()) {
$content .= '$j(document).ready(function() {'."\n ";
} else {
$content .= '$(document).ready(function() {'."\n ";
}
$content .= implode("\n ", $onLoadActions) . "\n";
$content .= '});'."\n";
}
if (!empty($javascript)) {
$content .= $javascript . "\n";
}
if (preg_match('/^\s*$/s', $content)) {
return '';
}
$html = '<script type="text/javascript">' . PHP_EOL
. (($this->_isXhtml) ? '//<![CDATA[' : '//<!--') . PHP_EOL
. $content
. (($this->_isXhtml) ? '//]]>' : '//-->') . PHP_EOL
. PHP_EOL . '</script>';
return $html;
}
/**
* @return string
*/
protected function _getJQueryLibraryBaseCdnUri()
{
if($this->_loadSslCdnPath == true) {
$baseUri = ZendX_JQuery::CDN_BASE_GOOGLE_SSL;
} else {
$baseUri = ZendX_JQuery::CDN_BASE_GOOGLE;
}
return $baseUri;
}
/**
* @return string
*/
protected function _getJQueryUiLibraryBaseCdnUri()
{
if($this->_loadSslCdnPath == true) {
$baseUri = ZendX_JQuery::CDN_BASE_GOOGLE_SSL;
} else {
$baseUri = ZendX_JQuery::CDN_BASE_GOOGLE;
}
return $baseUri;
}
/**
* Internal function that constructs the include path of the jQuery library.
*
* @return string
*/
protected function _getJQueryLibraryPath()
{
if($this->_jqueryLibraryPath != null) {
$source = $this->_jqueryLibraryPath;
} else {
$baseUri = $this->_getJQueryLibraryBaseCdnUri();
$source = $baseUri
. ZendX_JQuery::CDN_SUBFOLDER_JQUERY
. $this->getVersion()
. ZendX_JQuery::CDN_JQUERY_PATH_GOOGLE;
}
return $source;
}
/**
* Internal function that constructs the include path of the jQueryUI library.
*
* @return string
*/
protected function _getJQueryUiLibraryPath()
{
if($this->useUiCdn()) {
$baseUri = $this->_getJQueryLibraryBaseCdnUri();
$uiPath = $baseUri
. ZendX_JQuery::CDN_SUBFOLDER_JQUERYUI
. $this->getUiVersion()
. '/jquery-ui.min.js';
} else if($this->useUiLocal()) {
$uiPath = $this->getUiPath();
}
return $uiPath;
}
}
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