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mainwindow.cpp
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/* -*- mode: c++; c-basic-offset:4 -*-
mainwindow.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2007 Klarälvdalens Datakonsult AB
Kleopatra 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.
Kleopatra 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include "mainwindow.h"
#include "configreader.h"
#include "configuration.h"
#include "configwriter.h"
#include <QFile>
#include <QFileDialog>
#include <QMessageBox>
#include <QMenu>
#include <QMenuBar>
#include <QStringList>
#include <QTreeWidgetItem>
#include <cassert>
MainWindow::MainWindow( QWidget* parent, Qt::WindowFlags flags ) : QMainWindow( parent, flags ), m_config( 0 ), m_selectedEntry( 0 )
{
ConfigReader reader;
m_config = reader.readConfig();
QWidget* mainWidget = new QWidget( this );
m_ui.setupUi( mainWidget );
setCentralWidget( mainWidget );
connect( m_ui.treeWidget, SIGNAL( itemSelectionChanged() ),
SLOT( treeWidgetItemSelectionChanged() ) );
connect( m_ui.readOnlyBox, SIGNAL( stateChanged( int ) ), SLOT( readOnlyStateChanged( int ) ) );
connect( m_ui.valueLE, SIGNAL( textChanged( QString ) ), SLOT( optionValueChanged() ) );
readConfiguration();
QMenu* const fileMenu = menuBar()->addMenu( i18n( "&File" ) );
fileMenu->addAction( i18n( "Save As..." ), this, SLOT( saveAs() ) );
fileMenu->addSeparator();
QAction* const quit = fileMenu->addAction( i18n( "Quit" ), qApp, SLOT( quit() ) );
quit->setShortcut( Qt::CTRL + Qt::Key_Q );
}
MainWindow::~MainWindow()
{
delete m_config;
}
void MainWindow::treeWidgetItemSelectionChanged()
{
m_selectedEntry = 0;
const QList<QTreeWidgetItem*> selected = m_ui.treeWidget->selectedItems();
assert( selected.count() <= 1 );
ConfigEntry* const entry = selected.isEmpty() ? 0 : m_itemToEntry[selected.first()];
m_ui.componentLabel->setText( entry ? m_componentForEntry[entry]->name() : QString() );
m_ui.optionLabel->setText( entry ? entry->name() : QString() );
m_ui.descriptionLabel->setText( entry ? entry->description() : QString() );
m_ui.valueLE->setText( QString() );
m_ui.readOnlyBox->setCheckState( ( entry && entry->isReadOnly() ) ? Qt::Checked : Qt::Unchecked );
m_selectedEntry = entry;
}
void MainWindow::readOnlyStateChanged( int state )
{
if ( !m_selectedEntry )
return;
assert( state != Qt::PartiallyChecked );
m_selectedEntry->setReadOnly( state == Qt::Checked );
QTreeWidgetItem* const item = m_entryToItem[m_selectedEntry];
assert( item );
item->setCheckState( ReadOnlyColumn, static_cast<Qt::CheckState>( state ) );
}
void MainWindow::optionValueChanged()
{
if ( !m_selectedEntry )
return;
}
void MainWindow::readConfiguration()
{
QStringList components = m_config->componentList();
qSort( components );
Q_FOREACH ( const QString i, components )
{
ConfigComponent* const component = m_config->component( i );
assert( component );
QTreeWidgetItem* const componentItem = new QTreeWidgetItem;
componentItem->setText( NameColumn, component->name() );
m_ui.treeWidget->addTopLevelItem( componentItem );
Q_FOREACH ( const QString j, component->groupList() )
{
ConfigGroup* const group = component->group( j );
assert( group );
QTreeWidgetItem* const groupItem = new QTreeWidgetItem;
groupItem->setText( NameColumn, group->name() );
componentItem->addChild( groupItem );
Q_FOREACH( const QString k, group->entryList() )
{
ConfigEntry* const entry = group->entry( k );
assert( entry );
QTreeWidgetItem* const entryItem = new QTreeWidgetItem;
entryItem->setData( NameColumn, IsOptionRole, true );
entryItem->setText( NameColumn, entry->name() );
// entryItem->setText( ValueColumn, QString() );
entryItem->setCheckState( ReadOnlyColumn, entry->isReadOnly() ? Qt::Checked : Qt::Unchecked );
entryItem->setFlags( entryItem->flags() ^ Qt::ItemIsUserCheckable );
groupItem->addChild( entryItem );
m_componentForEntry[entry] = component;
m_itemToEntry[entryItem] = entry;
m_entryToItem[entry] = entryItem;
}
}
}
}
void MainWindow::saveAs()
{
const QString fileName = QFileDialog::getSaveFileName( this, i18n( "Save As"), QString(), "*.conf" );
if ( fileName.isNull() )
return;
QFile out( fileName );
if ( !out.open( QIODevice::WriteOnly ) )
{
QMessageBox::warning( this, i18n( "Write Error" ), i18n( "Could not open file %1 for writing. You might not have the permission to write to that file.", fileName ) );
return;
}
ConfigWriter writer( &out );
if ( !writer.writeConfig( m_config ) )
{
QMessageBox::critical( this, i18n( "Write Error" ), i18n( "Error while writing to file %1.", fileName ) );
return;
}
out.close();
}

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Thu, Mar 19, 6:02 PM (2 h, 45 m)
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