How do I implement store switcher through controllers?

Question

How do I implement store switcher through controllers instead of using block template to implement store view like this:

<forum_admin_adminhtml_forum_edit>
    <reference name="left">
         <block type="adminhtml/store_switcher" name="store_switcher" template="store/switcher.phtml" />
    </reference>
</forum_admin_adminhtml_forum_edit>

How can I implement store switch through controllers?

Answer 1

In a controller you can achieve the same as the layout XML that you have provided with the following code after you have called $this->loadLayout(); but before $this->renderLayout();:

$leftBlock = $this->getLayout()->getBlock('left')
if (false != $leftBlock) {
    $storeSwitcherBlock = $this->getLayout()
        ->createBlock('adminhtml/store_switcher', 'store_switcher')
        ->setTemplate('store/switcher.phtml');
    $leftBlock->append($storeSwitcherBlock);
}