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/*
*
* $Id: k3bdevicecombobox.cpp 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* 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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bdevicecombobox.h"
#include <k3bdevice.h>
#include <k3bdevicemanager.h>
#include <k3bcore.h>
#include <klocale.h>
#include <qmap.h>
#include <qptrvector.h>
class K3bDeviceComboBox::Private
{
public:
QMap<QString, int> deviceIndexMap;
QPtrVector<K3bDevice::Device> devices;
};
K3bDeviceComboBox::K3bDeviceComboBox( QWidget* parent, const char* name )
: KComboBox( parent, name )
{
d = new Private();
connect( this, SIGNAL(activated(int)),
this, SLOT(slotActivated(int)) );
connect( k3bcore->deviceManager(), SIGNAL(changed(K3bDevice::DeviceManager*)),
this, SLOT(slotDeviceManagerChanged(K3bDevice::DeviceManager*)) );
}
K3bDeviceComboBox::~K3bDeviceComboBox()
{
delete d;
}
K3bDevice::Device* K3bDeviceComboBox::selectedDevice() const
{
if ( count() > 0 )
return d->devices[currentItem()];
else
return 0;
}
void K3bDeviceComboBox::addDevice( K3bDevice::Device* dev )
{
int devIndex = -2;
bool addDevice = false;
for( int i = 0; i < count(); ++i ) {
if( dev->vendor() == d->devices[i]->vendor() &&
dev->description() == d->devices[i]->description() ) {
addDevice = true;
if( devIndex < -1 ) // when devIndex == -1 we already found two devices.
devIndex = i;
else
devIndex = -1; // when there are already two or more equal devices they have already been updated
}
}
// update the existing device item
if( devIndex >= 0 ) {
changeItem( d->devices[devIndex]->vendor() + " " +
d->devices[devIndex]->description() +
" (" + d->devices[devIndex]->blockDeviceName() + ")",
devIndex );
d->deviceIndexMap[d->devices[devIndex]->devicename()] = devIndex;
}
// add the new device item
if( addDevice )
insertItem( dev->vendor() + " " + dev->description() + " (" + dev->blockDeviceName() + ")" );
else
insertItem( dev->vendor() + " " + dev->description() );
d->deviceIndexMap[dev->devicename()] = count()-1;
d->devices.resize( count() );
d->devices.insert(count()-1, dev);
}
void K3bDeviceComboBox::removeDevice( K3bDevice::Device* dev )
{
if( dev ) {
if( d->deviceIndexMap.contains(dev->devicename()) ) {
// let's make it easy and recreate the whole list
K3bDevice::Device* selDev = selectedDevice();
QPtrList<K3bDevice::Device> devices;
for( unsigned int i = 0; i < d->devices.size(); ++i )
devices.append( d->devices[i] );
clear();
devices.removeRef( dev );
addDevices( devices );
setSelectedDevice( selDev );
}
}
}
void K3bDeviceComboBox::addDevices( const QPtrList<K3bDevice::Device>& list )
{
for( QPtrListIterator<K3bDevice::Device> it( list );
it.current(); ++it )
addDevice( it.current() );
}
void K3bDeviceComboBox::refreshDevices( const QPtrList<K3bDevice::Device>& list )
{
K3bDevice::Device* selDev = selectedDevice();
clear();
if( !list.containsRef( selDev ) )
selDev = 0;
addDevices( list );
setSelectedDevice( selDev );
}
void K3bDeviceComboBox::setSelectedDevice( K3bDevice::Device* dev )
{
if( dev ) {
if( d->deviceIndexMap.contains(dev->devicename()) ) {
setCurrentItem( d->deviceIndexMap[dev->devicename()] );
emit selectionChanged( dev );
}
}
}
void K3bDeviceComboBox::clear()
{
d->deviceIndexMap.clear();
d->devices.clear();
KComboBox::clear();
}
void K3bDeviceComboBox::slotActivated( int i )
{
emit selectionChanged( d->devices[i] );
}
void K3bDeviceComboBox::slotDeviceManagerChanged( K3bDevice::DeviceManager* dm )
{
unsigned int i = 0;
while( i < d->devices.size() ) {
if( !dm->allDevices().containsRef( d->devices[i] ) ) {
removeDevice( d->devices[i] );
i = 0;
}
else
++i;
}
}
#include "k3bdevicecombobox.moc"
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