/**
* Function: setCellStyles
*
* Assigns the value for the given key in the styles of the given cells, or
* removes the key from the styles if the value is null.
*
* Parameters:
*
* model - <mxGraphModel> to execute the transaction in.
* cells - Array of <mxCells> to be updated.
* key - Key of the style to be changed.
* value - New value for the given key.
*/
static function setCellStyles($model, $cells, $key, $value)
{
if ($cells != null && sizeof($cells) > 0) {
$model->beginUpdate();
try {
for ($i = 0; $i < sizeof($cells); $i++) {
if (isset($cells[$i])) {
$style = mxUtils::setStyle($model->getStyle($cells[$i]), $key, $value);
$model->setStyle($cells[$i], $style);
}
}
} catch (Exception $e) {
$model->endUpdate();
throw $e;
}
$model->endUpdate();
}
}