/**
* Render block HTML
*
* @return string
* @throws \Exception
*/
protected function _toHtml()
{
if (!$this->_isPreparedToRender) {
$this->_prepareToRender();
$this->_isPreparedToRender = true;
}
if (empty($this->_columns)) {
throw new \Exception('At least one column must be defined.');
}
return parent::_toHtml();
}
public function _toHtml()
{
$script = "<script type=\"text/javascript\">\n document.observe('dom:loaded', function() {\n \$\$('tr#row_rule_condition tr td:first-child select').each(function(item) {\n doUpdateWithValues(item);\n });\n\n \$\$('tr#row_rule_condition tr td:first-child select').each(function(item) {\n Event.observe(item,'change', function(){\n doUpdate(item);\n });\n });\n\n \$\$('tr#row_rule_condition button.add').each(function(item) {\n Event.observe(item,'click', function(){\n \$\$('tr#row_rule_condition tr td:first-child select').each(function(item) {\n Event.observe(item,'change', function(){\n doUpdate(item);\n });\n });\n \$\$('tr#row_rule_condition tr td select').each(function(item) {\n Event.observe(item,'change', function(){\n if(item.readAttribute('title') == 'conditions'){\n doUpdateForCondition(item);\n }\n });\n });\n });\n });\n\n function doUpdate(item){\n var url = '" . $this->getUrl('connector/rules/ajax') . "';\n var cond = item.up(1).down().next();\n var condName = cond.down().readAttribute('name');\n var value = item.up(1).down().next(1);\n var valueName = value.down().readAttribute('name');\n var attribute = item.value;\n new Ajax.Request(url, {\n method: 'post',\n parameters: {\n attribute: attribute,\n condition: condName,\n value: valueName\n },\n onSuccess: function(transport){\n var json = transport.responseJSON;\n cond.update(json.condition);\n value.update(json.cvalue);\n\n \$\$('tr#row_rule_condition tr td select').each(function(item) {\n Event.observe(item,'change', function(){\n if(item.readAttribute('title') == 'conditions'){\n doUpdateForCondition(item);\n }\n });\n });\n }\n });\n }\n\n function doUpdateWithValues(item){\n var url = '" . $this->getUrl('connector/rules/selected') . "';\n var arrayKey = item.up(1).readAttribute('id');\n var cond = item.up(1).down().next();\n var condName = cond.down().readAttribute('name');\n var value = item.up(1).down().next(1);\n var valueName = value.down().readAttribute('name');\n var attribute = item.value;\n var ruleId = \$('rule_id').value;\n new Ajax.Request(url, {\n method: 'post',\n parameters: {\n attribute: attribute,\n condition: condName,\n value: valueName,\n arraykey: arrayKey,\n ruleid: ruleId\n },\n onSuccess: function(transport){\n var json = transport.responseJSON;\n cond.update(json.condition);\n value.update(json.cvalue);\n\n \$\$('tr#row_rule_condition tr td select').each(function(item) {\n Event.observe(item,'change', function(){\n if(item.readAttribute('title') == 'conditions'){\n doUpdateForCondition(item);\n }\n });\n });\n }\n });\n }\n\n function doUpdateForCondition(item){\n var url = '" . $this->getUrl('connector/rules/value') . "';\n var attribute = item.up(1).down();\n var attributeValue = attribute.down().value;\n var value = item.up().next();\n var valueName = value.down().readAttribute('name');\n var condValue = item.value;\n new Ajax.Request(url, {\n method: 'post',\n parameters: {\n attributeValue: attributeValue,\n value: valueName,\n condValue: condValue\n },\n onSuccess: function(transport){\n var json = transport.responseJSON;\n value.update(json.cvalue);\n }\n });\n }\n });\n </script>";
return '<input type="hidden" id="' . $this->getElement()->getHtmlId() . '"/>' . parent::_toHtml() . $script;
}