diff options
| author | rojaro <> | 2010-09-10 10:16:35 +0000 |
|---|---|---|
| committer | rojaro <> | 2010-09-10 10:16:35 +0000 |
| commit | 801ce8d11abac390353d985e83b53f30f0806c21 (patch) | |
| tree | 959a5b8bb34380b9cebb63550a7461a9570ede90 /framework/Collections/TListItemCollection.php | |
| parent | 08abf856bb9b978b28e155edb4b54bfc3c8877f8 (diff) | |
moved TListItemCollection class from TListControl.php to separate class file in collections to fix #276
Diffstat (limited to 'framework/Collections/TListItemCollection.php')
| -rw-r--r-- | framework/Collections/TListItemCollection.php | 164 |
1 files changed, 164 insertions, 0 deletions
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 © 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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