/*
 * Copyright (C) 2001 Christian Hohnstaedt.
 *
 *  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 author 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.
 *
 *
 * This program links to software with different licenses from:
 *
 *	http://www.openssl.org which includes cryptographic software
 *	written by Eric Young (eay@cryptsoft.com)"
 *
 *	http://www.trolltech.com
 *
 *
 *
 * http://www.hohnstaedt.de/xca
 * email: christian@hohnstaedt.de
 *
 * $Id$
 *
 */


#include "XcaTreeView.h"
#include "lib/db_base.h"
#include <Qt/qabstractitemmodel.h>
#include <Qt/qabstractitemview.h>
#include <Qt/qheaderview.h>
#include <Qt/qevent.h>

XcaTreeView::XcaTreeView(QWidget *parent)
	:QTreeView(parent)
{
	setAlternatingRowColors(true);
	setSelectionMode(QAbstractItemView::ExtendedSelection);
	setEditTriggers(QAbstractItemView::EditKeyPressed);

	proxy = new QSortFilterProxyModel(this);
#if QT_VERSION >= 0x040200
	setSortingEnabled(true);
	proxy->setDynamicSortFilter(true);
#else
	header()->setClickable(true);
	header()->setSortIndicatorShown(true);
#endif
}

XcaTreeView::~XcaTreeView()
{
	delete proxy;
}

void XcaTreeView::contextMenuEvent(QContextMenuEvent * e )
{
	basemodel->showContextMenu(e, getIndex(indexAt(e->pos())));
}

void XcaTreeView::setModel(QAbstractItemModel *model)
{
	basemodel = (db_base *)model;
	proxy->setSourceModel(model);
	QTreeView::setModel(proxy);
	columnsResize();
}

QModelIndex XcaTreeView::getIndex(const QModelIndex &index)
{
	return proxy->mapToSource(index);
}

QModelIndex XcaTreeView::getProxyIndex(const QModelIndex &index)
{
	return proxy->mapFromSource(index);
}

QModelIndexList XcaTreeView::getSelectedIndexes()
{
	QItemSelection indexes = selectionModel()->selection();
	return proxy->mapSelectionToSource(indexes).indexes();
}

void XcaTreeView::columnsResize()
{
	int cnt, i;
	if (basemodel) {
		cnt = basemodel->columnCount(QModelIndex());
		for (i=0; i<cnt; i++)
			resizeColumnToContents(i);
	}
}