/**
* Rewrite a grid block, to add it some useful/needed methods
*
* @param BL_CustomGrid_Model_Grid $grid
* @return bool
*/
protected function _rewriteGridBlock($grid)
{
// Get block infos
list($group, $class, $rewritingClassName) = $this->_getBlockTypeInfos($grid->getBlockType());
if (!$rewritingClassName && $grid->getRewritingClassName() == '' || $rewritingClassName == $grid->getRewritingClassName()) {
// Grid model corresponds to current configuration
if (Mage::helper('customgrid/config')->isExcludedGrid($grid->getBlockType(), $rewritingClassName)) {
// Do not rewrite if now excluded
$this->_excludedModels[] = $grid->getId();
} elseif (!isset($this->_rewritedTypes[$grid->getBlockType()])) {
// Register our rewriting class (extending previous rewrite if existing)
$className = 'BL_CustomGrid_Block_Rewrite_' . uc_words($class);
$extends = $rewritingClassName ? $rewritingClassName : $this->_getBlockClassName($group, $class);
$this->_registerGridClass($className, $extends);
if ($rewritingClassName) {
$this->_originalRewrites[$grid->getBlockType()] = $rewritingClassName;
}
// Register rewrite in config (this will also replace previous rewrite if existing)
// This doesnt seem to affect Magento config cache in any way
$rewriteXml = new Varien_Simplexml_Config();
$rewriteXml->loadString('
<config>
<global>
<blocks>
<' . $group . '>
<rewrite>
<' . $class . '>' . $className . '</' . $class . '>
</rewrite>
</' . $group . '>
</blocks>
</global>
</config>
');
$this->_getConfig()->extend($rewriteXml, true);
// Remember current type is now rewrited
$this->_rewritedTypes[$grid->getBlockType()] = true;
}
return true;
} else {
return false;
}
}
/**
* Rewrite a grid block, to add it some useful/needed methods
*
* @param BL_CustomGrid_Model_Grid $grid
* @return bool
*/
protected function _rewriteGridBlock($grid)
{
// Get block infos
list($group, $class, $rewritingClassName) = $this->_getBlockTypeInfos($grid->getBlockType());
if (!$rewritingClassName && $grid->getRewritingClassName() == '' || $rewritingClassName == $grid->getRewritingClassName()) {
// Grid model corresponds to current configuration
if ($this->_getConfigHelper()->isExcludedGrid($grid->getBlockType(), $rewritingClassName)) {
// Do not rewrite if now excluded
$this->_excludedModels[] = $grid->getId();
} elseif (!isset($this->_rewritedTypes[$grid->getBlockType()])) {
// Generate and register our rewriting class (extending previous rewrite if existing)
$rewriters = Mage::getSingleton('customgrid/grid_rewriter')->getEnabledRewriters(true);
$blcgClass = false;
$originalClass = $rewritingClassName ? $rewritingClassName : $this->_getBlockClassName($group, $class);
$rewriteErrors = array();
foreach ($rewriters as $rewriter) {
try {
$blcgClass = $rewriter->rewriteGrid($originalClass, $grid->getBlockType());
} catch (Exception $e) {
$blcgClass = false;
$rewriteErrors[] = array('exception' => $e, 'rewriter' => $rewriter);
}
if ($blcgClass) {
break;
}
}
if ($blcgClass) {
foreach ($rewriteErrors as $error) {
if ($error['rewriter']->getDisplayErrorsIfSuccess()) {
$this->_getSession()->addError($error['exception']->getMessage());
}
if ($error['rewriter']->getLogErrorsIfSuccess()) {
Mage::logException($error['exception']);
}
}
if ($rewritingClassName) {
$this->_originalRewrites[$grid->getBlockType()] = $rewritingClassName;
}
// Register rewrite in config (this will also replace previous rewrite if existing)
// This doesnt seem to affect Magento config cache in any way
$rewriteXml = new Varien_Simplexml_Config();
$rewriteXml->loadString('
<config>
<global>
<blocks>
<' . $group . '>
<rewrite>
<' . $class . '>' . $blcgClass . '</' . $class . '>
</rewrite>
</' . $group . '>
</blocks>
</global>
</config>
');
$this->_getConfig()->extend($rewriteXml, true);
if ($this->_getConfigHelper()->getForceGridRewrites()) {
// Put the rewriting class name in the config cache (should prevent some problems when the config gets overriden afterwards)
$this->_getConfig()->getBlockClassName($grid->getBlockType());
}
// Remember current type is now rewrited
$this->_rewritedTypes[$grid->getBlockType()] = true;
} else {
foreach ($rewriteErrors as $error) {
if ($error['rewriter']->getDisplayErrors()) {
$this->_getSession()->addError($error['exception']->getMessage());
}
if ($error['rewriter']->getLogErrors()) {
Mage::logException($error['exception']);
}
}
// Exclude failed rewrites
$this->_excludedModels[] = $grid->getId();
}
}
return true;
} else {
return false;
}
}
