From f884ea21ea8f0c6ced02565bd647a5692f82aea4 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Wed, 25 Jan 2006 04:26:27 +0000
Subject: Added validation demo for TListBox. Fixed a few autopostback with
 causesvalidation problems.

---
 .../pages/Controls/Samples/TListBox/Home.page      | 55 +++++++++++++++++++++-
 framework/Web/UI/WebControls/TCheckBoxList.php     |  9 +---
 framework/Web/UI/WebControls/TDropDownList.php     |  9 +---
 framework/Web/UI/WebControls/TListBox.php          | 21 +++++----
 4 files changed, 70 insertions(+), 24 deletions(-)

diff --git a/demos/quickstart/protected/pages/Controls/Samples/TListBox/Home.page b/demos/quickstart/protected/pages/Controls/Samples/TListBox/Home.page
index 161f68a4..9f9bf162 100644
--- a/demos/quickstart/protected/pages/Controls/Samples/TListBox/Home.page
+++ b/demos/quickstart/protected/pages/Controls/Samples/TListBox/Home.page
@@ -94,7 +94,7 @@ List box's behavior upon postback:
 
 
 <h2>List Boxes in Multiple Selection Mode</h2>
-<i>Use Shift + Mouse Click to change selection</i>
+<i>Use Ctrl + Mouse Click to change selection</i>
 <br/>
 
 <table class="sampletable">
@@ -159,7 +159,7 @@ Auto postback list box:
 </table>
 
 <h2>List Boxes with DataBinding</h2>
-<i>Use Shift + Mouse Click to change selection</i>
+<i>Use Ctrl + Mouse Click to change selection</i>
 <br/>
 
 <table class="sampletable">
@@ -206,4 +206,55 @@ Databind with DataTextField and DataValueField specified:
 </tr>
 
 </table>
+
+
+<h2>List Boxes with Validation</h2>
+
+<table class="sampletable">
+
+<tr>
+<td class="samplenote">
+List box is being validated:
+</td>
+<td class="sampleaction">
+<com:TListBox ID="VListBox1">
+  <com:TListItem Value="value 1" Text="item 1" />
+  <com:TListItem Value="value 2" Text="item 2" />
+  <com:TListItem Value="value 3" Text="item 3" />
+  <com:TListItem Value="value 4" Text="item 4" />
+</com:TListBox>
+<com:TRequiredFieldValidator
+	ControlToValidate="VListBox1"
+	ErrorMessage="You must make a selection"
+	Display="Dynamic"
+	ValidationGroup="Group1"
+	/>
+<com:TButton Text="Submit" ValidationGroup="Group1" />
+</td>
+</tr>
+
+<tr>
+<td class="samplenote">
+List box causing validation:
+</td>
+<td class="sampleaction">
+<com:TTextBox ID="TextBox" />
+<com:TRequiredFieldValidator
+	ControlToValidate="TextBox"
+	ErrorMessage="You must enter a value"
+	Display="Dynamic"
+	ValidationGroup="Group2"
+	/>
+<com:TListBox
+	ID="VListBox2"
+	AutoPostBack="true"
+	ValidationGroup="Group2">
+  <com:TListItem Text="Agree" />
+  <com:TListItem Text="Disagree" />
+</com:TListBox>
+</td>
+</tr>
+
+</table>
+
 </com:TContent>
\ No newline at end of file
diff --git a/framework/Web/UI/WebControls/TCheckBoxList.php b/framework/Web/UI/WebControls/TCheckBoxList.php
index 168c7ef0..34ff005f 100644
--- a/framework/Web/UI/WebControls/TCheckBoxList.php
+++ b/framework/Web/UI/WebControls/TCheckBoxList.php
@@ -328,13 +328,8 @@ class TCheckBoxList extends TListControl implements IRepeatInfoUser, INamingCont
 	 */
 	public function raisePostDataChangedEvent()
 	{
-		$page=$this->getPage();
-		if($this->getAutoPostBack() && !$page->getPostBackEventTarget())
-		{
-			$page->setPostBackEventTarget($this);
-			if($this->getCausesValidation())
-				$page->validate($this->getValidationGroup());
-		}
+		if($this->getAutoPostBack() && $this->getCausesValidation())
+			$this->getPage()->validate($this->getValidationGroup());
 		$this->onSelectedIndexChanged(null);
 	}
 
diff --git a/framework/Web/UI/WebControls/TDropDownList.php b/framework/Web/UI/WebControls/TDropDownList.php
index 3c459057..a3c02c15 100644
--- a/framework/Web/UI/WebControls/TDropDownList.php
+++ b/framework/Web/UI/WebControls/TDropDownList.php
@@ -72,13 +72,8 @@ class TDropDownList extends TListControl implements IPostBackDataHandler
 	 */
 	public function raisePostDataChangedEvent()
 	{
-		$page=$this->getPage();
-		if($this->getAutoPostBack() && !$page->getPostBackEventTarget())
-		{
-			$page->setPostBackEventTarget($this);
-			if($this->getCausesValidation())
-				$page->validate($this->getValidationGroup());
-		}
+		if($this->getAutoPostBack() && $this->getCausesValidation())
+			$this->getPage()->validate($this->getValidationGroup());
 		$this->onSelectedIndexChanged(null);
 	}
 
diff --git a/framework/Web/UI/WebControls/TListBox.php b/framework/Web/UI/WebControls/TListBox.php
index 47165c99..50cf3873 100644
--- a/framework/Web/UI/WebControls/TListBox.php
+++ b/framework/Web/UI/WebControls/TListBox.php
@@ -29,7 +29,7 @@ Prado::using('System.Web.UI.WebControls.TListControl');
  * @package System.Web.UI.WebControls
  * @since 3.0
  */
-class TListBox extends TListControl implements IPostBackDataHandler
+class TListBox extends TListControl implements IPostBackDataHandler, IValidatable
 {
 	/**
 	 * Adds attribute name-value pairs to renderer.
@@ -131,13 +131,8 @@ class TListBox extends TListControl implements IPostBackDataHandler
 	 */
 	public function raisePostDataChangedEvent()
 	{
-		$page=$this->getPage();
-		if($this->getAutoPostBack() && !$page->getPostBackEventTarget())
-		{
-			$page->setPostBackEventTarget($this);
-			if($this->getCausesValidation())
-				$page->validate($this->getValidationGroup());
-		}
+		if($this->getAutoPostBack() && $this->getCausesValidation())
+			$this->getPage()->validate($this->getValidationGroup());
 		$this->onSelectedIndexChanged(null);
 	}
 
@@ -184,5 +179,15 @@ class TListBox extends TListControl implements IPostBackDataHandler
 	{
 		$this->setViewState('SelectionMode',TPropertyValue::ensureEnum($value,array('Single','Multiple')),'Single');
 	}
+
+	/**
+	 * Returns the value to be validated.
+	 * This methid is required by IValidatable interface.
+	 * @return mixed the value of the property to be validated.
+	 */
+	public function getValidationPropertyValue()
+	{
+		return $this->getSelectedValue();
+	}
 }
 ?>
\ No newline at end of file
-- 
cgit v1.2.3