From 682f7ef6933f4ad485baedddf7a30367d003d7bf Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 25 Jan 2007 05:49:22 +0000
Subject: Fixed #502

---
 framework/Web/UI/WebControls/TStyle.php      | 62 +++++++++++++++++++++++++++-
 framework/Web/UI/WebControls/TWebControl.php | 16 +++++++
 2 files changed, 76 insertions(+), 2 deletions(-)

(limited to 'framework/Web')

diff --git a/framework/Web/UI/WebControls/TStyle.php b/framework/Web/UI/WebControls/TStyle.php
index cc383766..73ff4adf 100644
--- a/framework/Web/UI/WebControls/TStyle.php
+++ b/framework/Web/UI/WebControls/TStyle.php
@@ -43,6 +43,10 @@ class TStyle extends TComponent
 	 * @var string CSS style string (those not represented by specific fields of TStyle)
 	 */
 	private $_customStyle=null;
+	/**
+	 * @var string display style
+	 */
+	private $_displayStyle='Fixed';
 
 	/**
 	 * Constructor.
@@ -173,7 +177,7 @@ class TStyle extends TComponent
 			$this->_font=new TFont;
 		return $this->_font;
 	}
-	
+
 	/**
 	 * @return boolean true if font is set.
 	 */
@@ -182,6 +186,37 @@ class TStyle extends TComponent
 		return $this->_font !== null;
 	}
 
+	/**
+	 * @param TDisplayStyle control display style, default is TDisplayStyle::Fixed
+	 */
+	public function setDisplayStyle($value)
+	{
+		$this->_displayStyle = TPropertyValue::ensureEnum($value, 'TDisplayStyle');
+		switch($this->_displayStyle)
+		{
+			case TDisplayStyle::None:
+				$this->_fields['display'] = 'none';
+				break;
+			case TDisplayStyle::Dynamic:
+				$this->_fields['display'] = ''; //remove the display property
+				break;
+			case TDisplayStyle::Fixed:
+				$this->_fields['visibility'] = 'visible';
+				break;
+			case TDisplayStyle::Hidden:
+				$this->_fields['visibility'] = 'hidden';
+				break;
+		}
+	}
+
+	/**
+	 * @return TDisplayStyle display style
+	 */
+	public function getDisplayStyle()
+	{
+		return $this->_displayStyle;
+	}
+
 	/**
 	 * @return string the foreground color of the control
 	 */
@@ -362,7 +397,7 @@ class TStyle extends TComponent
 		if($this->_class!==null)
 			$writer->addAttribute('class',$this->_class);
 	}
-	
+
 	/**
 	 * @return array list of style fields.
 	 */
@@ -372,6 +407,29 @@ class TStyle extends TComponent
 	}
 }
 
+/**
+ * TDisplayStyle defines the enumerable type for the possible styles
+ * that a web control can display.
+ *
+ * The following enumerable values are defined:
+ * - None: the control is not displayed and not included in the layout.
+ * - Dynamic: the control is displayed and included in the layout, the layout flow is dependent on the control (equivalent to display:'' in css).
+ * - Fixed: Similar to Dynamic with CSS "visibility" set "shown".
+ * - Hidden: the control is not displayed and is included in the layout.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Id$
+ * @package System.Web.UI.WebControls
+ * @since 3.1
+ */
+class TDisplayStyle extends TEnumerable
+{
+	const None='None';
+	const Dynamic='Dynamic';
+	const Fixed='Fixed';
+	const Hidden='Hidden';
+}
+
 /**
  * TTableStyle class.
  * TTableStyle represents the CSS style specific for HTML table.
diff --git a/framework/Web/UI/WebControls/TWebControl.php b/framework/Web/UI/WebControls/TWebControl.php
index a45bab05..78c1aa98 100644
--- a/framework/Web/UI/WebControls/TWebControl.php
+++ b/framework/Web/UI/WebControls/TWebControl.php
@@ -193,6 +193,22 @@ class TWebControl extends TControl
 			return '';
 	}
 
+	/**
+	 * @param TDisplayStyle display style of the control, default is TDisplayStyle::Fixed
+	 */
+	public function setDisplay($value)
+	{
+		$this->getStyle()->setDisplayStyle($value);
+	}
+
+	/**
+	 * @return TDisplayStyle display style of the control, default is TDisplayStyle::Fixed
+	 */
+	public function getDisplay()
+	{
+		return $this->getStyle()->getDisplayStyle();
+	}
+
 	/**
 	 * @param string the css class of the control
 	 */
-- 
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