From 801ce8d11abac390353d985e83b53f30f0806c21 Mon Sep 17 00:00:00 2001
From: rojaro <>
Date: Fri, 10 Sep 2010 10:16:35 +0000
Subject: moved TListItemCollection class from TListControl.php to separate
 class file in collections to fix #276

---
 framework/Collections/TListItemCollection.php | 164 ++++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 framework/Collections/TListItemCollection.php

(limited to 'framework/Collections/TListItemCollection.php')

diff --git a/framework/Collections/TListItemCollection.php b/framework/Collections/TListItemCollection.php
new file mode 100644
index 00000000..d9adb161
--- /dev/null
+++ b/framework/Collections/TListItemCollection.php
@@ -0,0 +1,164 @@
+<?php
+
+/**
+ * TListItemCollection class file
+ *
+ * @author Robin J. Rogge <rojaro@gmail.com>
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2010 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TListControl.php 2624 2009-03-19 21:20:47Z godzilla80@gmx.net $
+ * @package System.Collections
+ */
+
+/**
+ * Includes the supporting classes
+ */
+Prado::using('System.Collections.TList');
+Prado::using('System.Web.UI.WebControls.TListItem');
+
+/**
+ * TListItemCollection class.
+ *
+ * TListItemCollection maintains a list of {@link TListItem} for {@link TListControl}.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id: TListControl.php 2624 2009-03-19 21:20:47Z godzilla80@gmx.net $
+ * @package System.Collections
+ * @since 3.0
+ */
+class TListItemCollection extends TList
+{
+	/**
+	 * Creates a list item object.
+	 * This method may be overriden to provide a customized list item object.
+	 * @param integer index where the newly created item is to be inserted at.
+	 * If -1, the item will be appended to the end.
+	 * @return TListItem list item object
+	 */
+	public function createListItem($index=-1)
+	{
+		$item=$this->createNewListItem();
+		if($index<0)
+			$this->add($item);
+		else
+			$this->insertAt($index,$item);
+		return $item;
+	}
+
+	/**
+	 * @return TListItem new item.
+	 */
+	protected function createNewListItem($text=null)
+	{
+		$item =  new TListItem;
+		if($text!==null)
+			$item->setText($text);
+		return $item;
+	}
+
+	/**
+	 * Inserts an item into the collection.
+	 * @param integer the location where the item will be inserted.
+	 * The current item at the place and the following ones will be moved backward.
+	 * @param TListItem the item to be inserted.
+	 * @throws TInvalidDataTypeException if the item being inserted is neither a string nor TListItem
+	 */
+	public function insertAt($index,$item)
+	{
+		if(is_string($item))
+			$item = $this->createNewListItem($item);
+		if(!($item instanceof TListItem))
+			throw new TInvalidDataTypeException('listitemcollection_item_invalid',get_class($this));
+		parent::insertAt($index,$item);
+	}
+
+	/**
+	 * Finds the lowest cardinal index of the item whose value is the one being looked for.
+	 * @param string the value to be looked for
+	 * @param boolean whether to look for disabled items also
+	 * @return integer the index of the item found, -1 if not found.
+	 */
+	public function findIndexByValue($value,$includeDisabled=true)
+	{
+		$value=TPropertyValue::ensureString($value);
+		$index=0;
+		foreach($this as $item)
+		{
+			if($item->getValue()===$value && ($includeDisabled || $item->getEnabled()))
+				return $index;
+			$index++;
+		}
+		return -1;
+	}
+
+	/**
+	 * Finds the lowest cardinal index of the item whose text is the one being looked for.
+	 * @param string the text to be looked for
+	 * @param boolean whether to look for disabled items also
+	 * @return integer the index of the item found, -1 if not found.
+	 */
+	public function findIndexByText($text,$includeDisabled=true)
+	{
+		$text=TPropertyValue::ensureString($text);
+		$index=0;
+		foreach($this as $item)
+		{
+			if($item->getText()===$text && ($includeDisabled || $item->getEnabled()))
+				return $index;
+			$index++;
+		}
+		return -1;
+	}
+
+	/**
+	 * Finds the item whose value is the one being looked for.
+	 * @param string the value to be looked for
+	 * @param boolean whether to look for disabled items also
+	 * @return TListItem the item found, null if not found.
+	 */
+	public function findItemByValue($value,$includeDisabled=true)
+	{
+		if(($index=$this->findIndexByValue($value,$includeDisabled))>=0)
+			return $this->itemAt($index);
+		else
+			return null;
+	}
+
+	/**
+	 * Finds the item whose text is the one being looked for.
+	 * @param string the text to be looked for
+	 * @param boolean whether to look for disabled items also
+	 * @return TListItem the item found, null if not found.
+	 */
+	public function findItemByText($text,$includeDisabled=true)
+	{
+		if(($index=$this->findIndexByText($text,$includeDisabled))>=0)
+			return $this->itemAt($index);
+		else
+			return null;
+	}
+
+	/**
+	 * Loads state into every item in the collection.
+	 * This method should only be used by framework and control developers.
+	 * @param array|null state to be loaded.
+	 */
+	public function loadState($state)
+	{
+		$this->clear();
+		if($state!==null)
+			$this->copyFrom($state);
+	}
+
+	/**
+	 * Saves state of items.
+	 * This method should only be used by framework and control developers.
+	 * @return array|null the saved state
+	 */
+	public function saveState()
+	{
+		return ($this->getCount()>0) ? $this->toArray() : null;
+	}
+}
-- 
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