/**
* Creates column objects and initializes them.
* Automatically add hidden checkbox column.
*/
protected function initColumns()
{
parent::initColumns();
if ($this->selectableRows == 0) {
return;
}
//define primaryKey expression
if ($this->dataProvider instanceof CActiveDataProvider) {
$primaryKey = '$data->primaryKey';
} else {
$primaryKey = '$data["' . $this->dataProvider->keyField . '"]';
}
$checkedExpression = 'isset($_GET["' . $this->selVar . '"]) ? in_array(' . $primaryKey . ', is_array($_GET["' . $this->selVar . '"]) ? $_GET["' . $this->selVar . '"] : array($_GET["' . $this->selVar . '"])) : false;';
//if gridview already has user defined Checkbox column --> set "checked" and exit
//thanks to Horacio Segura http://www.yiiframework.com/extension/selgridview/#c7346
foreach ($this->columns as $col) {
if ($col instanceof CCheckBoxColumn) {
$col->checked = $checkedExpression;
$col->init();
return;
}
}
//creating hidden checkbox column
$checkboxColumn = new CCheckBoxColumn($this);
$checkboxColumn->checked = $checkedExpression;
$checkboxColumn->htmlOptions = array('style' => 'display:none');
$checkboxColumn->headerHtmlOptions = array('style' => 'display:none');
$checkboxColumn->init();
$this->columns[] = $checkboxColumn;
}
protected function renderHeaderCellContent()
{
$this->registerScripts();
if ($this->headerText != null)
echo $this->headerText;
else
parent::init();
}
public function init()
{
// allows width to be set for column using width property
if ($this->width) {
$this->headerHtmlOptions['style'] = isset($this->headerHtmlOptions['style']) ? $this->headerHtmlOptions['style'] : '';
$this->htmlOptions['style'] = isset($this->htmlOptions['style']) ? $this->htmlOptions['style'] : '';
$this->headerHtmlOptions['style'] .= 'width: ' . $this->width . ';';
$this->htmlOptions['style'] .= 'width: ' . $this->width . ';';
}
return parent::init();
}
