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//////////////////////////////////////////////////////////////////////////////
// breezeexceptionlistwidget.cpp
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "breezeexceptionlistwidget.h"
#include "breezeexceptiondialog.h"
#include <KLocalizedString>
#include <QMessageBox>
#include <QPointer>
#include <QIcon>
//__________________________________________________________
namespace Breeze
{
//__________________________________________________________
ExceptionListWidget::ExceptionListWidget( QWidget* parent ):
QWidget( parent )
{
// ui
m_ui.setupUi( this );
// list
m_ui.exceptionListView->setAllColumnsShowFocus( true );
m_ui.exceptionListView->setRootIsDecorated( false );
m_ui.exceptionListView->setSortingEnabled( false );
m_ui.exceptionListView->setModel( &model() );
m_ui.exceptionListView->sortByColumn( ExceptionModel::ColumnType );
m_ui.exceptionListView->setSizePolicy( QSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Ignored ) );
m_ui.moveUpButton->setIcon( QIcon::fromTheme( QStringLiteral( "arrow-up" ) ) );
m_ui.moveDownButton->setIcon( QIcon::fromTheme( QStringLiteral( "arrow-down" ) ) );
m_ui.addButton->setIcon( QIcon::fromTheme( QStringLiteral( "list-add" ) ) );
m_ui.removeButton->setIcon( QIcon::fromTheme( QStringLiteral( "list-remove" ) ) );
m_ui.editButton->setIcon( QIcon::fromTheme( QStringLiteral( "edit-rename" ) ) );
connect( m_ui.addButton, SIGNAL(clicked()), SLOT(add()) );
connect( m_ui.editButton, SIGNAL(clicked()), SLOT(edit()) );
connect( m_ui.removeButton, SIGNAL(clicked()), SLOT(remove()) );
connect( m_ui.moveUpButton, SIGNAL(clicked()), SLOT(up()) );
connect( m_ui.moveDownButton, SIGNAL(clicked()), SLOT(down()) );
connect( m_ui.exceptionListView, SIGNAL(activated(QModelIndex)), SLOT(edit()) );
connect( m_ui.exceptionListView, SIGNAL(clicked(QModelIndex)), SLOT(toggle(QModelIndex)) );
connect( m_ui.exceptionListView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(updateButtons()) );
updateButtons();
resizeColumns();
}
//__________________________________________________________
void ExceptionListWidget::setExceptions( const InternalSettingsList& exceptions )
{
model().set( exceptions );
resizeColumns();
setChanged( false );
}
//__________________________________________________________
InternalSettingsList ExceptionListWidget::exceptions()
{
return model().get();
setChanged( false );
}
//__________________________________________________________
void ExceptionListWidget::updateButtons()
{
bool hasSelection( !m_ui.exceptionListView->selectionModel()->selectedRows().empty() );
m_ui.removeButton->setEnabled( hasSelection );
m_ui.editButton->setEnabled( hasSelection );
m_ui.moveUpButton->setEnabled( hasSelection && !m_ui.exceptionListView->selectionModel()->isRowSelected( 0, QModelIndex() ) );
m_ui.moveDownButton->setEnabled( hasSelection && !m_ui.exceptionListView->selectionModel()->isRowSelected( model().rowCount()-1, QModelIndex() ) );
}
//_______________________________________________________
void ExceptionListWidget::add()
{
QPointer<ExceptionDialog> dialog = new ExceptionDialog( this );
dialog->setWindowTitle( i18n( "New Exception - Breeze Settings" ) );
InternalSettingsPtr exception( new InternalSettings() );
exception->load();
dialog->setException( exception );
// run dialog and check existence
if( !dialog->exec() )
{
delete dialog;
return;
}
dialog->save();
delete dialog;
// check exceptions
if( !checkException( exception ) ) return;
// create new item
model().add( exception );
setChanged( true );
// make sure item is selected
QModelIndex index( model().index( exception ) );
if( index != m_ui.exceptionListView->selectionModel()->currentIndex() )
{
m_ui.exceptionListView->selectionModel()->select( index, QItemSelectionModel::Clear|QItemSelectionModel::Select|QItemSelectionModel::Rows );
m_ui.exceptionListView->selectionModel()->setCurrentIndex( index, QItemSelectionModel::Current|QItemSelectionModel::Rows );
}
resizeColumns();
}
//_______________________________________________________
void ExceptionListWidget::edit()
{
// retrieve selection
QModelIndex current( m_ui.exceptionListView->selectionModel()->currentIndex() );
if( ! model().contains( current ) ) return;
InternalSettingsPtr exception( model().get( current ) );
// create dialog
QPointer<ExceptionDialog> dialog( new ExceptionDialog( this ) );
dialog->setWindowTitle( i18n( "Edit Exception - Breeze Settings" ) );
dialog->setException( exception );
// map dialog
if( !dialog->exec() )
{
delete dialog;
return;
}
// check modifications
if( !dialog->isChanged() ) return;
// retrieve exception
dialog->save();
delete dialog;
// check new exception validity
checkException( exception );
resizeColumns();
setChanged( true );
}
//_______________________________________________________
void ExceptionListWidget::remove()
{
// confirmation dialog
{
QMessageBox messageBox( QMessageBox::Question, i18n("Question - Breeze Settings" ), i18n("Remove selected exception?"), QMessageBox::Yes | QMessageBox::Cancel );
messageBox.button( QMessageBox::Yes )->setText( i18n("Remove") );
messageBox.setDefaultButton( QMessageBox::Cancel );
if( messageBox.exec() == QMessageBox::Cancel ) return;
}
// remove
model().remove( model().get( m_ui.exceptionListView->selectionModel()->selectedRows() ) );
resizeColumns();
updateButtons();
setChanged( true );
}
//_______________________________________________________
void ExceptionListWidget::toggle( const QModelIndex& index )
{
if( !model().contains( index ) ) return;
if( index.column() != ExceptionModel::ColumnEnabled ) return;
// get matching exception
InternalSettingsPtr exception( model().get( index ) );
exception->setEnabled( !exception->enabled() );
setChanged( true );
}
//_______________________________________________________
void ExceptionListWidget::up()
{
InternalSettingsList selection( model().get( m_ui.exceptionListView->selectionModel()->selectedRows() ) );
if( selection.empty() ) { return; }
// retrieve selected indexes in list and store in model
QModelIndexList selectedIndices( m_ui.exceptionListView->selectionModel()->selectedRows() );
InternalSettingsList selectedExceptions( model().get( selectedIndices ) );
InternalSettingsList currentException( model().get() );
InternalSettingsList newExceptions;
for( InternalSettingsList::const_iterator iter = currentException.constBegin(); iter != currentException.constEnd(); ++iter )
{
// check if new list is not empty, current index is selected and last index is not.
// if yes, move.
if(
!( newExceptions.empty() ||
selectedIndices.indexOf( model().index( *iter ) ) == -1 ||
selectedIndices.indexOf( model().index( newExceptions.back() ) ) != -1
) )
{
InternalSettingsPtr last( newExceptions.back() );
newExceptions.removeLast();
newExceptions.append( *iter );
newExceptions.append( last );
} else newExceptions.append( *iter );
}
model().set( newExceptions );
// restore selection
m_ui.exceptionListView->selectionModel()->select( model().index( selectedExceptions.front() ), QItemSelectionModel::Clear|QItemSelectionModel::Select|QItemSelectionModel::Rows );
for( InternalSettingsList::const_iterator iter = selectedExceptions.constBegin(); iter != selectedExceptions.constEnd(); ++iter )
{ m_ui.exceptionListView->selectionModel()->select( model().index( *iter ), QItemSelectionModel::Select|QItemSelectionModel::Rows ); }
setChanged( true );
}
//_______________________________________________________
void ExceptionListWidget::down()
{
InternalSettingsList selection( model().get( m_ui.exceptionListView->selectionModel()->selectedRows() ) );
if( selection.empty() )
{ return; }
// retrieve selected indexes in list and store in model
QModelIndexList selectedIndices( m_ui.exceptionListView->selectionModel()->selectedIndexes() );
InternalSettingsList selectedExceptions( model().get( selectedIndices ) );
InternalSettingsList currentExceptions( model().get() );
InternalSettingsList newExceptions;
InternalSettingsListIterator iter( currentExceptions );
iter.toBack();
while( iter.hasPrevious() )
{
InternalSettingsPtr current( iter.previous() );
// check if new list is not empty, current index is selected and last index is not.
// if yes, move.
if(
!( newExceptions.empty() ||
selectedIndices.indexOf( model().index( current ) ) == -1 ||
selectedIndices.indexOf( model().index( newExceptions.front() ) ) != -1
) )
{
InternalSettingsPtr first( newExceptions.front() );
newExceptions.removeFirst();
newExceptions.prepend( current );
newExceptions.prepend( first );
} else newExceptions.prepend( current );
}
model().set( newExceptions );
// restore selection
m_ui.exceptionListView->selectionModel()->select( model().index( selectedExceptions.front() ), QItemSelectionModel::Clear|QItemSelectionModel::Select|QItemSelectionModel::Rows );
for( InternalSettingsList::const_iterator iter = selectedExceptions.constBegin(); iter != selectedExceptions.constEnd(); ++iter )
{ m_ui.exceptionListView->selectionModel()->select( model().index( *iter ), QItemSelectionModel::Select|QItemSelectionModel::Rows ); }
setChanged( true );
}
//_______________________________________________________
void ExceptionListWidget::resizeColumns() const
{
m_ui.exceptionListView->resizeColumnToContents( ExceptionModel::ColumnEnabled );
m_ui.exceptionListView->resizeColumnToContents( ExceptionModel::ColumnType );
m_ui.exceptionListView->resizeColumnToContents( ExceptionModel::ColumnRegExp );
}
//_______________________________________________________
bool ExceptionListWidget::checkException( InternalSettingsPtr exception )
{
while( exception->exceptionPattern().isEmpty() || !QRegExp( exception->exceptionPattern() ).isValid() )
{
QMessageBox::warning( this, i18n( "Warning - Breeze Settings" ), i18n("Regular Expression syntax is incorrect") );
QPointer<ExceptionDialog> dialog( new ExceptionDialog( this ) );
dialog->setException( exception );
if( dialog->exec() == QDialog::Rejected )
{
delete dialog;
return false;
}
dialog->save();
delete dialog;
}
return true;
}
}
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