/**
* Get column object by its ID
* @param mixed $id
* @throws Exception
* @return Ext_Grid_Column
*/
public function getColumn($id)
{
if (!$this->_columns->itemExists($id)) {
throw new Exception('Invalid column ID');
}
$item = $this->_columns->getItem($id);
return $item['data'];
}
/**
* Check if action exists
* @param string $id - action name
* @return boolean
*/
public function actionExists($id)
{
return $this->_actions->itemExists($id);
}
/**
* Check if object exists
* @param string $name
* @return boolean
*/
public function objectExists($name)
{
return $this->_tree->itemExists($name);
}
public function testRemoveItem()
{
$tree = new Tree();
$item = new stdClass();
$item->id = 1;
$tree->addItem($item->id, 0, $item);
$item2 = new stdClass();
$item2->id = 2;
$tree->addItem($item2->id, 1, $item2);
$tree->removeItem(2);
$this->assertEquals($tree->getItemsCount(), 1);
$this->assertFalse($tree->itemExists(2));
$this->assertFalse($tree->hasChilds(1));
}
