From 55c4ac1bfe565f1ca7f537fdd8b7a201be28e581 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Thu, 10 Nov 2005 12:47:19 +0000
Subject: Initial import of prado framework

---
 framework/Web/UI/WebControls/TLabel.php | 106 ++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 framework/Web/UI/WebControls/TLabel.php

(limited to 'framework/Web/UI/WebControls/TLabel.php')

diff --git a/framework/Web/UI/WebControls/TLabel.php b/framework/Web/UI/WebControls/TLabel.php
new file mode 100644
index 00000000..464a4cd7
--- /dev/null
+++ b/framework/Web/UI/WebControls/TLabel.php
@@ -0,0 +1,106 @@
+<?php
+/**
+ * TLabel class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.xisc.com/
+ * @copyright Copyright &copy; 2004-2005, Qiang Xue
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * TLabel class
+ *
+ * TLabel represents a label control that displays text on a Web pagge.
+ * Use <b>Text</b> property to set the text to be displayed.
+ * TLabel will render the contents enclosed within its component tag
+ * if <b>Text</b> is empty.
+ * To use TLabel as a form label, associate it with a control by setting the
+ * <b>AssociateControlID</b> property. The associated control must be locatable
+ * within the label's naming container.
+ *
+ * Note, <b>Text</b> will NOT be encoded for rendering.
+ * Make usre it does not contain dangerous characters that you want to avoid.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System.Web.UI.WebControls
+ * @since 3.0
+ */
+class TLabel extends TWebControl
+{
+	/**
+	 * @return string tag name of the label, returns 'label' if there is an associated control, 'span' otherwise.
+	 */
+	protected function getTagName()
+	{
+		return ($this->getAssociatedControlID()==='')?'span':'label';
+	}
+
+	/**
+	 * Adds attributes to renderer.
+	 * @param THtmlTextWriter the renderer
+	 * @throws TInvalidDataValueException if associated control cannot be found using the ID
+	 */
+	protected function addAttributesToRender($writer)
+	{
+		if(($aid=$this->getAssociatedControlID())!=='')
+		{
+			if($control=$this->findControl($aid))
+				$writer->addAttribute('for',$control->getClientID());
+			else
+				throw new TInvalidDataValueException('control_not_found',$aid);
+		}
+		parent::addAttributesToRender($writer);
+	}
+
+	/**
+	 * Renders the body content of the label.
+	 * @param THtmlTextWriter the renderer
+	 */
+	protected function renderContents($writer)
+	{
+		if(($text=$this->getText())==='')
+			parent::renderContents($writer);
+		else
+			$writer->write($text);
+	}
+
+	/**
+	 * @return string the text value of the label
+	 */
+	public function getText()
+	{
+		return $this->getViewState('Text','');
+	}
+
+	/**
+	 * @param string the text value of the label
+	 */
+	public function setText($value)
+	{
+		$this->setViewState('Text',$value,'');
+	}
+
+	/**
+	 * @return string the associated control ID
+	 */
+	public function getAssociatedControlID()
+	{
+		return $this->getViewState('AssociatedControlID','');
+	}
+
+	/**
+	 * Sets the ID of the control that the label is associated with.
+	 * The control must be locatable via {@link TControl::findControl} using the ID.
+	 * @param string the associated control ID
+	 */
+	public function setAssociatedControlID($value)
+	{
+		$this->setViewState('AssociatedControlID',$value,'');
+	}
+}
+
+?>
\ No newline at end of file
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