From adb9a7864e6fce08426af0b41bbc726388e296a7 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Sat, 21 Jan 2006 15:16:28 +0000
Subject:

---
 framework/Collections/TAttributeCollection.php | 113 +++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 framework/Collections/TAttributeCollection.php

(limited to 'framework/Collections')

diff --git a/framework/Collections/TAttributeCollection.php b/framework/Collections/TAttributeCollection.php
new file mode 100644
index 00000000..c8870919
--- /dev/null
+++ b/framework/Collections/TAttributeCollection.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * TAttributeCollection classes
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  $Date: $
+ * @package System.Collections
+ */
+
+/**
+ * Includes TMap class
+ */
+Prado::using('System.Collections.TMap');
+
+/**
+ * TAttributeCollection class
+ *
+ * TAttributeCollection implements a collection for storing attribute names and values.
+ *
+ * Besides all functionalities provided by {@link TMap}, TAttributeCollection
+ * allows you to get and set attribute values like getting and setting
+ * properties. For example, the following usages are all valid for a
+ * TAttributeCollection object:
+ * <code>
+ * $collection->Text='text';
+ * echo $collection->Text;
+ * </code>
+ * They are equivalent to the following:
+ * <code>
+ * $collection->add('Text','text');
+ * echo $collection->itemAt('Text');
+ * </code>
+ *
+ * Note, attribute names are case-insensitive. They are converted to lower-case
+ * in the collection storage.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System.Collections
+ * @since 3.0
+ */
+class TAttributeCollection extends TMap
+{
+	/**
+	 * Returns a property value or an event handler list by property or event name.
+	 * This method overrides the parent implementation by returning
+	 * a key value if the key exists in the collection.
+	 * @param string the property name or the event name
+	 * @return mixed the property value or the event handler list
+	 * @throws TInvalidOperationException if the property/event is not defined.
+	 */
+	public function __get($name)
+	{
+		$name=strtolower($name);
+		return $this->contains($name)?$this->itemAt($name):parent::__get($name);
+	}
+
+	/**
+	 * Sets value of a component property.
+	 * This method overrides the parent implementation by adding a new key value
+	 * to the collection.
+	 * @param string the property name or event name
+	 * @param mixed the property value or event handler
+	 * @throws TInvalidOperationException If the property is not defined or read-only.
+	 */
+	public function __set($name,$value)
+	{
+		$this->add(strtolower($name),$value);
+	}
+
+	/**
+	 * Determines whether a property is defined.
+	 * This method overrides parent implementation by returning true
+	 * if the collection contains the named key.
+	 * @param string the property name
+	 * @return boolean whether the property is defined
+	 */
+	public function hasProperty($name)
+	{
+		$name=strtolower($name);
+		return $this->contains($name) || parent::hasProperty($name);
+	}
+
+	/**
+	 * Determines whether a property can be read.
+	 * This method overrides parent implementation by returning true
+	 * if the collection contains the named key.
+	 * @param string the property name
+	 * @return boolean whether the property can be read
+	 */
+	public function canGetProperty($name)
+	{
+		$name=strtolower($name);
+		return $this->contains($name) || parent::canGetProperty($name);
+	}
+
+	/**
+	 * Determines whether a property can be set.
+	 * This method overrides parent implementation by always returning true
+	 * because you can always add a new value to the collection.
+	 * @param string the property name
+	 * @return boolean true
+	 */
+	public function canSetProperty($name)
+	{
+		return true;
+	}
+}
+
+?>
\ No newline at end of file
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