/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"


#include <tools/list.hxx>
#include <tools/debug.hxx>
#include <vcl/ctrl.hxx>

#include "assclass.hxx"


Assistent::Assistent(int nNoOfPages)
{
	mnPages=nNoOfPages;
	if(mnPages>MAX_PAGES)
	{
		mnPages=MAX_PAGES;
	}

	mpPageStatus = new bool[mnPages];

	for(sal_uInt8 i=0;i<mnPages;i++)
	{
		mpPages[i]=new List();
		mpPageStatus[i] = sal_True;
	}
	mnCurrentPage=1;
}



bool Assistent::InsertControl(int nDestPage,Control* pUsedControl)
{
	DBG_ASSERT( (nDestPage > 0) && (nDestPage <= mnPages), "Seite nicht vorhanden!");
	if((nDestPage>0)&&(nDestPage<=mnPages))
	{
		mpPages[nDestPage-1]->Insert(pUsedControl,LIST_APPEND);
		pUsedControl->Hide();
		pUsedControl->Disable();
		return true;
	}
	else
	{
		return false;
	}
}


bool Assistent::NextPage()
{
	if(mnCurrentPage<mnPages)
	{
		int nPage = mnCurrentPage+1;
		while(nPage <= mnPages && !mpPageStatus[nPage-1])
			nPage++;

		if(nPage <= mnPages)
			return GotoPage(nPage);
	}
	return false;
}


bool Assistent::PreviousPage()
{
	if(mnCurrentPage>1)
	{
		int nPage = mnCurrentPage-1;
		while(nPage >= 0 && !mpPageStatus[nPage-1])
			nPage--;

		if(nPage >= 0)
			return GotoPage(nPage);
	}
	return false;
}


bool Assistent::GotoPage(const int nPageToGo)
{
	DBG_ASSERT( (nPageToGo > 0) && (nPageToGo <= mnPages), "Seite nicht vorhanden!");

	if((nPageToGo>0)&&(nPageToGo<=mnPages)&&mpPageStatus[nPageToGo-1])
	{
		int i;
		Control* pCurControl;
		int nIndex=mnCurrentPage-1;

		for(i=0;i<(int)mpPages[nIndex]->Count();i++)
		{
			pCurControl=(Control*)mpPages[nIndex]->GetObject(i);
			pCurControl->Disable();
			pCurControl->Hide();
				// schaltet die Controls der vorherigen Seite
				// zurueck
		}
		mnCurrentPage=nPageToGo;
		nIndex=mnCurrentPage-1;
		for(i=0;i<(int)mpPages[nIndex]->Count();i++)
		{

			pCurControl=(Control*)mpPages[nIndex]->GetObject(i);
			pCurControl->Enable();
			pCurControl->Show();
				// zeigt die neue Seite im Fenster an
		}
		return true;
	}
	else
	{
		return false;
	}
}


bool Assistent::IsLastPage()
{
	if(mnCurrentPage==mnPages)
	{
		return true;
	}
	else
	{
		int nPage = mnCurrentPage+1;
		while(nPage <= mnPages && !mpPageStatus[nPage-1])
			nPage++;

		return nPage > mnPages;
	}
}


bool Assistent::IsFirstPage()
{
	if(mnCurrentPage==1)
	{
		return true;
	}
	else
	{
		int nPage = mnCurrentPage-1;
		while(nPage > 0 && !mpPageStatus[nPage-1])
			nPage--;

		return nPage == 0;
	}
}



int Assistent::GetCurrentPage()
{
	return mnCurrentPage;
}

Assistent::~Assistent()
{
	for( int i=0;i<mnPages;i++)
	{
		delete mpPages[i];
	}

	delete [] mpPageStatus;
}

bool Assistent::IsEnabled( int nPage )
{
	DBG_ASSERT( (nPage>0) && (nPage <= mnPages), "Seite nicht vorhanden!" );

	return (nPage>0) && (nPage <= mnPages && mpPageStatus[nPage-1]);
}

void Assistent::EnablePage( int nPage )
{
	DBG_ASSERT( (nPage>0) && (nPage <= mnPages), "Seite nicht vorhanden!" );

	if((nPage>0) && (nPage < mnPages && !mpPageStatus[nPage-1]))
	{
		mpPageStatus[nPage-1] = true;
	}
}

void Assistent::DisablePage( int nPage )
{
	DBG_ASSERT( (nPage>0) && (nPage <= mnPages), "Seite nicht vorhanden!" );

	if((nPage>0) && (nPage <= mnPages && mpPageStatus[nPage-1]))
	{
		mpPageStatus[nPage-1] = false;
		if(mnCurrentPage == nPage)
			GotoPage(1);
	}
}