void LLPanelMarketplaceListings::onTabChange()
{
	// Find active panel
	LLInventoryPanel* panel = (LLInventoryPanel*)getChild<LLTabContainer>("marketplace_filter_tabs")->getCurrentPanel();
	if (panel)
	{
		// If the panel doesn't allow drop on root, it doesn't allow the creation of new folder on root either
		LLButton* add_btn = getChild<LLButton>("add_btn");
		add_btn->setEnabled(panel->getAllowDropOnRoot());

		// Set filter string on active panel
		panel->setFilterSubString(mFilterSubString);

		// Show/hide the drop zone and resize the inventory tabs panel accordingly
		LLPanel* drop_zone = (LLPanel*)getChild<LLPanel>("marketplace_drop_zone");
		bool drop_zone_visible = drop_zone->getVisible();
		bool allow_drop_on_root = panel->getAllowDropOnRoot() && gSavedSettings.getBOOL("LiruEnableWIPUI");
		if (drop_zone_visible != allow_drop_on_root)
		{
			LLPanel* tabs = (LLPanel*)getChild<LLPanel>("tab_container_panel");
			S32 delta_height = drop_zone->getRect().getHeight();
			delta_height = (drop_zone_visible ? delta_height : -delta_height);
			tabs->reshape(tabs->getRect().getWidth(),tabs->getRect().getHeight() + delta_height);
			tabs->translate(0,-delta_height);
		}
		drop_zone->setVisible(allow_drop_on_root);
	}
}