/*
    Klat - A LaTeX editor for KDE
    
    Copyright (C) 2002-2004  Jori Liesenborgs (jori@lumumba.luc.ac.be)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "klateditwidgetmanager.h"
#include <klibloader.h>
#include <kate/document.h>

KlatEditWidgetManager *KlatEditWidgetManager::inst = 0;

KlatEditWidgetManager *KlatEditWidgetManager::instance()
{
	if (inst != 0)
		return inst;
	inst =  new KlatEditWidgetManager();
	return inst;
}

KlatEditWidgetManager::KlatEditWidgetManager()
{
	lib = 0;	
}

KlatEditWidgetManager::~KlatEditWidgetManager()
{
	// this should never be called...
}

Kate::Document *KlatEditWidgetManager::createDocument()
{
	Kate::Document *d;
	
	if (lib == 0)
		lib = KLibLoader::self()->library("libkatepart");
	d = (Kate::Document *)lib->factory()->create(0L,"kate","KTextEditor::Document");
	docs.push_front(d);
	return d;
}

void KlatEditWidgetManager::destroyDocument(Kate::Document *d)
{
	std::list<Kate::Document *>::iterator it;
	bool found;
	
	found = false;
	it = docs.begin();
	while (!found && it != docs.end())
	{
		if ((*it) == d)
			found = true;
		else
			++it;
	}
	
	if (!found)
		return;

	docs.erase(it);
	delete d;
	
	if (docs.empty())
	{
		lib->unload();
		lib = 0;
	}
}