From 39446f979b52dd0acd75d5d243f352397a0410f6 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Sat, 7 Apr 2007 10:35:16 +0000
Subject: add TClientScriptLoader quickstart docs.

---
 .../protected/pages/Advanced/Scripts3.page         | 64 ++++++++++++++++++++--
 1 file changed, 60 insertions(+), 4 deletions(-)

(limited to 'demos/quickstart/protected/pages/Advanced')

diff --git a/demos/quickstart/protected/pages/Advanced/Scripts3.page b/demos/quickstart/protected/pages/Advanced/Scripts3.page
index d535d170..86e8bab9 100644
--- a/demos/quickstart/protected/pages/Advanced/Scripts3.page
+++ b/demos/quickstart/protected/pages/Advanced/Scripts3.page
@@ -1,9 +1,14 @@
 <com:TContent ID="body" >
 <h1 id="6801">Javascript in PRADO, Questions and Answers</h1>
-<h2 id="6802">How do I include the predefined Javascript libraries?</h2>
+<h2 id="6802">How do I include the Javascript libraries distributed with Prado?</h2>
+<p>The javascript libraries distributed with Prado can be found in the
+<tt>framework/Web/Javascripts/source</tt> directory. The <tt>packages.php</tt>
+file in that directory defines a list of available package names available
+to be loaded. They can be loaded as follows.
+</p>
 <ul id="u1" class="block-content"><li>Adding libraries in the template
 <com:TTextHighlighter Language="prado" CssClass="source block-content" id="code_850268">
-&lt;com:TClientScript UsingPradoScripts="effects" /&gt;
+&lt;com:TClientScript PradoScripts="effects" /&gt;
 </com:TTextHighlighter>
     </li>
     <li>Adding libraries in PHP code
@@ -20,16 +25,67 @@ The available packaged libraries included in Prado are
     <li><tt>validator</tt> : validation</li>
     <li><tt>logger</tt> : javascript logger and object browser</li>
     <li><tt>datepicker</tt> : datepicker</li>
-    <li><tt>rico</tt> : Rico library</li>
     <li><tt>colorpicker</tt> : colorpicker</li>
 </ul>
 
 <p id="850761" class="block-content">The dependencies for each library are automatically resolved. Components
 that require a particular library will also automatically load the necessary libraries.
-For example, if you add a TDatePicker component on the page, the <tt>datepicker</tt>
+For example, if you add a <tt>TDatePicker</tt> component on the page, the <tt>datepicker</tt>
 and its dependencies will be automatically included on the page.</p>
 
 <p id="850762" class="block-content">See <a href="?page=Controls.ClientScript">TClientScript</a> for options of adding
 	your custom Javascript code to the page.</p>
 
+<h2>Publishing Javascript Libraries as Assets</h2>
+<com:SinceVersion Version="3.1b" />
+<p class="block-content">Use <a href="?page=Controls.ClientScriptLoader">TClientScriptLoader</a> to publish and combine multiple existing javascript files (e.g. javascript libraries distributed with Prado or otherwise)
+as packages.</p> For greater control on what and when to publish, use the 
+<tt>registerJavascriptPackages($base, $packages, $debug=null, $gzip=true)</tt>
+method in the <tt>TClientScriptManager</tt> class, which an instance can be obtained
+using <tt>$this->getPage()->getClientScript()</tt> or its equivalents.
+For example, if multiple controls will use the same set of javascript libraries,
+write a class to handle the registration of packages required by those controls.
+</p>
+<com:TTextHighlighter Language="php" CssClass="source block-content">
+class MyJavascriptLib extends TComponent
+{
+    private $_packages=array(); //keep track of all registrations
+
+    private $_manager;
+
+    protected function __construct(TPage $owner)
+    {
+        $this->_manager = $owner->getClientScript();
+        $owner->onPreRenderComplete = array($this, 'registerScriptLoader');
+    }
+
+    public static function registerPackage(TControl $control, $name)
+    {
+        static $instance;
+        if($instance===null)
+            $instance=new self($control->getPage());
+        $instance->_packages[$name]=true;
+    }
+
+    protected function registerScriptLoader()
+    {
+        $dir = dirname(__FILE__).'/myscripts'; //contains my javascript files
+        $scripts = array_keys($this->_packages);
+        $url = $this->_manager->registerJavascriptPackages($dir, $scripts);
+        $this->_manager->registerScriptFile($url,$url);
+    }
+}
+
+// example control class using the javascript packages
+class TestComp extends TControl
+{
+    public function onPreRender($param)
+    {
+        parent::onPreRender($param);
+        MyJavascriptLib::registerPackage($this,'package1');
+    }
+}
+</com:TTextHighlighter>
+
+
 <div class="last-modified">$Id$</div></com:TContent>
\ No newline at end of file
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