public function testSetGetParentBlock()
{
$this->assertEmpty($this->_block->getParentBlock());
$parentBlock = new Mage_Core_Block_Text();
$this->_block->setParentBlock($parentBlock);
$this->assertSame($parentBlock, $this->_block->getParentBlock());
}
public function testGetParentBlock()
{
// Without layout
$this->assertFalse($this->_block->getParentBlock());
// Need to create blocks through layout
$parentBlock = $this->_createBlockWithLayout('block1', 'block1', 'Mage_Core_Block_Text');
$childBlock = $this->_createBlockWithLayout('block2', 'block2');
$this->assertEmpty($childBlock->getParentBlock());
$parentBlock->setChild('block2', $childBlock);
$this->assertSame($parentBlock, $childBlock->getParentBlock());
}
/**
* @param Mage_Core_Block_Abstract $block
*/
public function getBlockAlias($block)
{
if (($parent = $block->getParentBlock()) && $this->startsWith($block->getNameInLayout(), $parent->getNameInLayout() . '.')) {
return substr($block->getNameInLayout(), strlen($parent->getNameInLayout() . '.'));
} else {
return $block->getNameInLayout();
}
}
/**
* Get path information of a block
*
* @param Mage_Core_Block_Abstract $block
* @return string
* @author Fabrizio Branca
* @since 2011-01-24
*/
public function getBlockPath(Mage_Core_Block_Abstract $block)
{
$blockPath = array();
$step = $block->getParentBlock();
$i = 0;
while ($i++ < 20 && $step instanceof Mage_Core_Block_Abstract) {
$blockPath[] = $this->getBlockInfo($step, false);
$step = $step->getParentBlock();
}
return $blockPath;
}
