/*
 *  SelectAllCmd.cpp
 *
 *  Created on: 2012-10-21
 *  Author: wangshibo
 */
#include "SelectAllCmd.h"
#include "GlobalWorkflowItems.h"
#include "WorkflowSceneManager.h"

using namespace pai::graphics2d;
using namespace pai::workflow;

namespace pai
{

	SelectAllCmd::SelectAllCmd(WorkflowSceneManager *pSceneManager, QUndoCommand *parent)
	:QUndoCommand(parent)
	{
	    m_pSceneManager = pSceneManager;
	}

	SelectAllCmd::~SelectAllCmd()
	{
	}
	void SelectAllCmd::undo()
	{
		SelectAll(false);
	}
	void SelectAllCmd::redo()
	{
		SelectAll(true);
	}

	void SelectAllCmd::SelectAll(bool selectMode)
	{
	    if (m_pSceneManager == NULL)
	        return;

		QList<QGraphicsItem*> list = m_pSceneManager->items();
	    for (int i = 0; i < list.count(); i++)
	    {
	    	list.at(i)->setSelected(selectMode);
	    }
	}
}