/*
 * ActionSequenze.cpp
 *
 *  Created on: Dec 17, 2009
 *      Author: crueger
 */

#include "Actions/ActionSequence.hpp"
#include "Actions/Action.hpp"

using namespace std;

ActionSequence::ActionSequence()
{}

ActionSequence::~ActionSequence()
{}


void ActionSequence::addAction(Action* _action){
  actions.push_back(_action);
}

Action* ActionSequence::removeLastAction(){
  if(actions.empty()) {
    return 0;
  }
  else {
    Action* theAction;
    theAction = actions.back();
    actions.pop_back();
    return theAction;
  }
}

void ActionSequence::callAll(){
  deque<Action*>::iterator it;
  for(it=actions.begin(); it!=actions.end(); it++)
    (*it)->call();
}

void ActionSequence::undoAll(){
  deque<Action*>::reverse_iterator rit;
  for(rit=actions.rbegin(); rit!=actions.rend(); rit++)
    (*rit)->undo();
}

bool ActionSequence::canUndo(){
  bool canUndo=true;
  deque<Action*>::iterator it;
  for(it=actions.begin(); it!=actions.end(); it++)
    canUndo &= (*it)->canUndo();
  return canUndo;
}