Add TStylesheet and update TClientScript

1 files changed, 75 insertions, 0 deletions

diff --git a/framework/Web/UI/WebControls/TStyleSheet.php b/framework/Web/UI/WebControls/TStyleSheet.php
new file mode 100644
index 00000000..5b4cc944
--- /dev/null
+++ b/framework/Web/UI/WebControls/TStyleSheet.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * TStyleSheet class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Tue Jul  4 04:38:16 EST 2006 $
+ * @package System.Web.UI.WebControl
+ * @since 3.0.2
+ */
+class TStyleSheet extends TControl
+{
+	/**
+	 * @param string stylesheet url or asset resource.
+	 */
+	public function setStyleUrl($value)
+	{
+		$this->setViewState('StyleUrl', $value);	
+	}
+	
+	/**
+	 * @return string stylesheet url.
+	 */
+	public function getStyleUrl()
+	{
+		return $this->getViewState('StyleUrl', '');
+	}
+	
+	/**
+	 * Registers the stylesheet urls. Calls {@link renderChildren} to capture
+	 * the body content to render the stylesheet in the head.
+	 * @param mixed event parameter
+	 */
+	public function onPreRender($param)
+	{
+		if($this->getEnabled(true))
+		{
+			$this->registerCustomStyleSheetFile();
+			$this->registerCustomStyleSheet();
+		}
+	}
+	
+	/**
+	 * Overrides parent implementation, renders nothing.
+	 */
+	public function renderChildren($writer)
+	{
+		
+	}
+	
+	/**
+	 * Register custom stylesheet file.
+	 */
+	protected function registerCustomStyleSheetFile()
+	{
+		$cs = $this->getPage()->getClientScript();
+		$url = $this->getStyleUrl();
+		if(strlen($url) > 0)
+			$cs->registerStyleSheetFile($url, $url);		
+	}
+	
+	/**
+	 * Registers  the body content as stylesheet.
+	 */
+	protected function registerCustomStyleSheet()
+	{
+		$cs = $this->getPage()->getClientScript();
+		$textWriter=new TTextWriter;
+		parent::renderChildren(new THtmlWriter($textWriter));
+		$text = $textWriter->flush();
+		if(strlen($text)>0)
+			$cs->registerStyleSheet(sprintf('%08X', crc32($text)), $text);
+	}
+}
+?>
\ No newline at end of file