// Copyright (c) 2008, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB/GORGONSUB
//
// Website: http://www.aegisub.net
// Contact: mailto:amz@aegisub.net
//

#include "Gorgonsub.h"
using namespace Gorgonsub;


///////////////
// Constructor
ActionList::ActionList(Model &_model,String _actionName,const String _owner,bool _undoAble)
: model(_model), owner(_owner), undoAble(_undoAble)
{
	Start(_actionName);
}


//////////////
// Destructor
ActionList::~ActionList()
{
}


//////////////////////////////
// Add an action to the queue
void ActionList::AddAction(const Action &action)
{
	if (!valid) throw Exception(Exception::Invalid_ActionList);
	actions.push_back(action);
}


/////////////////////////////
// Starts performing actions
void ActionList::Start(const String name)
{
	if (valid) Finish();
	actionName = name;
	valid = true;
}


////////////////////////
// Ends the action list
void ActionList::Finish()
{
	if (valid) {
		model.ProcessActionList(*this);
		actions.clear();
		valid = false;
	}
}


//////////////////////////////////
// Create an "insert line" action
void ActionList::InsertLine(SectionEntryPtr line,int position,const String section)
{
	Action action = Action(ACTION_INSERT,line,section,position);
	AddAction(action);
}


/////////////////////////////////
// Create a "remove line" action
void ActionList::RemoveLine(int position,const String section)
{
	Action action = Action(ACTION_REMOVE,SectionEntryPtr(),section,position);
	AddAction(action);
}