qmplaylistpropertypage.cpp

可以播放MP3,wma等文件格式的播放器

/* qmplaylistpropertypage.cpp
 *
 * $Id: qmplaylistpropertypage.cpp,v 1.10.2.1 2002/10/10 21:40:52 kyllingstad Exp $
 *
 * Apollo sound player: http://www.apolloplayer.org
 * Copyright(C) 2000-2002 Apollo Team.  See CREDITS file.
 *
 * 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.
 *
 * The GNU General Public License is also available online at:
 *
 * http://www.gnu.org/copyleft/gpl.html
 */

#include "qmplaylistpropertypage.h"

#include "qmplaylistbrowseritem.h"

#include <qfiledialog.h>
#include <qgroupbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qpushbutton.h>
#include <iostream>

/**
 * @file qmplaylistpropertypage.cpp
 * @brief Playlist (browser) preferences page
 */

/*!
  \class QmPlayListPropertyPage qmplaylistpropertypage.h
  \brief Playlist (browser) preferences page

  For use in the playlist browser.
*/


/*!

*/

QmPlayListPropertyPage::QmPlayListPropertyPage(
	QmPlayListBrowserItem *item,
	QmConfigDialog *parent,
	const char *pname)
	: QmConfigPage(parent, pname, WType_Modal),
	  m_pItem(item),
	  m_pFile(0)
{
	CHECK_PTR(m_pItem);

	QString thing;

	if(item->isFolder())
		thing = tr("Folder");
	else
		thing = tr("Playlist");

	setCaption(tr("Apollo - %1 Properties").arg(thing));
	
	QVBoxLayout *top = new QVBoxLayout(this, 2);
	QHBoxLayout *bottom = new QHBoxLayout(4);

	QGroupBox 	*group = new QGroupBox(1, Vertical, tr("%1 properties").arg(thing), this);
	QWidget 	*dummy = new QWidget(group);
	
	QLabel *name		= new QLabel(tr("&Name"), dummy);
	m_pName				= new QLineEdit(m_pItem->text(0), dummy);
	name->setBuddy(m_pName);

	connect(m_pName, SIGNAL(textChanged(const QString&)), this, SLOT(nameChanged(const QString&)));

	QLabel *file = 0;
	QPushButton *browse = 0;
	
	if( ! item->isFolder())
	{
		file	= new QLabel(tr("&Playlist"), dummy);
		m_pFile	= new QLineEdit(m_pItem->fileName(), dummy);
		file->setBuddy(m_pFile);
		browse	= new QPushButton(tr("&Browse..."), dummy);

		connect(browse, SIGNAL(clicked()), this, SLOT(browse()));
		connect(m_pFile, SIGNAL(textChanged(const QString&)), this, SLOT(nameChanged(const QString&)));
	}

	int width1 = name->sizeHint().width();
	int width2;

	if( ! item->isFolder())
		width2 = file->sizeHint().width();
	else
		width2 = 0;
	
	int width3 = width1 > width2 ? width1 : width2;

	name->setFixedWidth(width3);

	if( ! item->isFolder())
		file->setFixedWidth(width3);

	QVBoxLayout *l3 = new QVBoxLayout(dummy, 2);
	QHBoxLayout *l1 = new QHBoxLayout(l3, 2);
	
	l1->addWidget(name);
	l1->addWidget(m_pName);	

	if( ! item->isFolder())
	{
		QHBoxLayout *l2 = new QHBoxLayout(l3, 2);
	
		l2->addWidget(file);
		l2->addWidget(m_pFile, 2);
		l2->addWidget(browse);
	}
		
	m_pOkay				= new QPushButton(tr("&OK"), this);
	QPushButton *cancel	= new QPushButton(tr("&Cancel"), this);

	width1 = m_pOkay->sizeHint().width();
	width2 = cancel->sizeHint().width();
	width3 = width1 > width2 ? width1 : width2;

	m_pOkay->setFixedWidth(width3);
	cancel->setFixedWidth(width3);
	
	connect(m_pOkay, SIGNAL(clicked()), this, SLOT(okay()));
	connect(cancel, SIGNAL(clicked()), this, SLOT(hide()));

	nameChanged(""); // the text passed is not used
	
	bottom->addStretch();
	bottom->addWidget(m_pOkay);
	bottom->addWidget(cancel);

	top->addWidget(group);
	top->addStretch();
	top->addLayout(bottom);
}


/*!

*/

QmPlayListPropertyPage::~QmPlayListPropertyPage()
{
}


/*!
  Called when user click OK.
*/

void
QmPlayListPropertyPage::okay()
{
	save();
	hide();
}


/*!
  Updates the 'OK' button.  It will only be enabled if both the
  text field and the filename field (if present) are non-null.
 */

void
QmPlayListPropertyPage::nameChanged(
	const QString &/*name*/)
{
	if(m_pName->text().isEmpty())
		m_pOkay->setEnabled(false);
	else
	{
		if(m_pFile == 0)
			m_pOkay->setEnabled(true);
		else
		{
			if(m_pFile->text().isEmpty())
				m_pOkay->setEnabled(false);
			else
				m_pOkay->setEnabled(true);
		}
	}
}


/*!

 */

void
QmPlayListPropertyPage::browse()
{
	QString file = QFileDialog::getOpenFileName(m_pFile->text());

	if( ! file.isEmpty())
		m_pFile->setText(file);
}

/*!

 */

void
QmPlayListPropertyPage::load()
{
}


/*!

 */

void
QmPlayListPropertyPage::save()
{
	m_pItem->setText(0, m_pName->text());

	if(m_pFile)
		m_pItem->setFileName(m_pFile->text());
}