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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            filelist.cc
 *
 *  Mon Nov 30 15:35:52 CET 2009
 *  Copyright 2009 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of DrumGizmo.
 *
 *  DrumGizmo 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.
 *
 *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "filelist.h"

#include <QFileDialog>
#include <QFileInfo>
#include <QMenu>

#include "itemeditor.h"

FileList::FileList()
{
	setContextMenuPolicy(Qt::CustomContextMenu);

	connect(this, SIGNAL(customContextMenuRequested(const QPoint&)),
	        this, SLOT(popupMenu(const QPoint&)));

	connect(this, SIGNAL(itemDoubleClicked(QListWidgetItem*)),
	        this, SLOT(selectionChanged(QListWidgetItem*)));

	createMenus();
}

void FileList::addFiles()
{
	QStringList files =
		QFileDialog::getOpenFileNames(this, tr("Open file"),
		                              path, tr("Audio Files (*.wav)"));
	QStringList::Iterator i = files.begin();
	while(i != files.end())
	{
		QString file = *i;
		QFileInfo fi(file);
		QString name = fi.baseName();
		path = fi.absolutePath();

		QListWidgetItem* item = new QListWidgetItem();
		setItemFile(item, file);
		setItemName(item, name);
		setItemMaster(item, false);
		addItem(item);

		emit fileAdded(file, name);

		i++;
	}
}

void FileList::setMasterFile(QListWidgetItem* i)
{
	QString filename = itemFile(i);

	for(int idx = 0; idx < count(); idx++)
	{
		setItemMaster(item(idx), false);
	}

	setItemMaster(i, true);
	emit masterFileChanged(filename);
}

void FileList::selectionChanged(QListWidgetItem* i)
{
	setMasterFile(i);
}


void FileList::createMenus()
{
	menu = new QMenu();

	setMasterAction = new QAction(tr("Set as Master (dbl-click)"), this);
	connect(setMasterAction, SIGNAL(triggered()), this, SLOT(setMaster()));

	editAction = new QAction(tr("Edit name"), this);
	connect(editAction, SIGNAL(triggered()), this, SLOT(editName()));

	removeAction = new QAction(tr("Remove"), this);
	connect(removeAction, SIGNAL(triggered()), this, SLOT(removeFile()));

	removeAllAction = new QAction(tr("Remove all"), this);
	connect(removeAllAction, SIGNAL(triggered()), this, SLOT(removeAllFiles()));

	menu->addAction(setMasterAction);
	menu->addAction(editAction);
	menu->addAction(removeAction);
	menu->addSeparator();
	menu->addAction(removeAllAction);

}

void FileList::popupMenu(const QPoint& pos)
{
	activeItem = itemAt(pos);
	if(!activeItem)
	{
		return;
	}
	menu->popup(mapToGlobal(pos));
}

void FileList::setMaster()
{
	setMasterFile(activeItem);
}

void FileList::removeFile()
{
	QString file = itemFile(activeItem);
	QString name = itemName(activeItem);

	printf("Removing: %s\n", file.toStdString().c_str());
	delete activeItem;//takeItem(row(activeItem));
	activeItem = NULL;
	setCurrentRow(-1);

	emit fileRemoved(file, name);
}

void FileList::removeAllFiles()
{
	activeItem = NULL;

	clear();

	emit allFilesRemoved();
}

void FileList::editName()
{
	ItemEditor* e = new ItemEditor(activeItem, itemName(activeItem));
	connect(e, SIGNAL(updateItem(QListWidgetItem*, QString)),
	        this, SLOT(setItemName(QListWidgetItem*, QString)));
}


// Item utility functions.
QString FileList::itemFile(QListWidgetItem* i)
{
	return i->data(Qt::ToolTipRole).toString();
}

void FileList::setItemFile(QListWidgetItem* i, QString file)
{
	i->setData(Qt::ToolTipRole, file);
	i->setData(Qt::DisplayRole, itemName(i) + "\t" + file);
}

QString FileList::itemName(QListWidgetItem* i)
{
	return i->data(Qt::UserRole).toString();
}

void FileList::setItemName(QListWidgetItem* i, QString name)
{
	QString oldname = itemName(i);

	i->setData(Qt::UserRole, name);
	i->setData(Qt::DisplayRole, name + "\t" + itemFile(i));

	if(oldname != "" && oldname != name)
	{
		emit nameChanged(itemFile(i), name);
	}
}

void FileList::setItemMaster(QListWidgetItem* i, bool master)
{
	if(master)
	{
		i->setIcon(QPixmap(":icons/master.png"));
	}
	else
	{
		i->setIcon(QPixmap(":icons/file.png"));
	}
}