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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "HelpDialog.h"
#include "HelpManager.h"
#include "HelpManager.h"
#include "HelpModel.h"
#include "QuestionDialog.h"
#include "Singleton.h"
#include "TextEditor.h"
#include "TextEditionDelegate.h"
#include "TreeView.h"
#include "XmlOptions.h"
#include <QAction>
#include <QHeaderView>
#include <QLayout>
#include <QPushButton>
#include <QToolButton>
#include <QShortcut>
#include <QTextStream>
namespace Base
{
//_________________________________________________________
HelpDialog::HelpDialog( HelpManager& manager, QWidget *parent ):
CustomDialog( parent, CloseButton ),
manager_( &manager )
{
Debug::Throw( "HelpDialog::HelpDialog.\n" );
// customize layout
layout()->setMargin(0);
layout()->setSpacing(0);
buttonLayout().setMargin(5);
// tell dialog to delete when close
setAttribute( Qt::WA_DeleteOnClose );
setOptionName( "HELP_DIALOG" );
QHBoxLayout *layout = new QHBoxLayout();
layout->setMargin(0);
layout->setSpacing(2);
mainLayout().addLayout( layout );
// add help list
list_ = new TreeView( this );
list_->setMaximumWidth(150);
layout->addWidget( list_ );
list_->setModel( &model_ );
list_->setSortingEnabled( false );
list_->header()->hide();
// stack widget to switch between html and plain text editor
layout->addWidget( htmlFrame_ = new QWidget( this ) );
// vbox layout for editor and button
QVBoxLayout *vLayout = new QVBoxLayout();
vLayout->setMargin(0);
htmlFrame_->setLayout( vLayout );
vLayout->addWidget( htmlEditor_ = new TextEditor( htmlFrame_ ) );
htmlEditor_->setReadOnly( true );
htmlEditor_->setWrapFromOptions( false );
htmlEditor_->wrapModeAction().setChecked( true );
// connect list to text edit
connect( list_->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), SLOT(_display(QModelIndex,QModelIndex)) );
// add close accelerator
connect( new QShortcut( QKeySequence::Quit, this ), SIGNAL(activated()), SLOT(close()) );
connect( Singleton::get().application(), SIGNAL(configurationChanged()), SLOT(_updateConfiguration()) );
_updateConfiguration();
}
//_________________________________________________________
void HelpDialog::setItems( const HelpItem::List& items )
{
Debug::Throw( "HelpDialog::setItems.\n" );
// clear list and editors
htmlEditor_->clear();
// set items
model_.set( items );
// select first index
if( (!list_->selectionModel()->currentIndex().isValid()) && model_.hasIndex(0,0) )
{ list_->selectionModel()->setCurrentIndex( model_.index(0,0), QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows ); }
return;
}
//_________________________________________________________
void HelpDialog::_display( const QModelIndex& current, const QModelIndex& previous )
{
Debug::Throw( "HelpDialog::_Display.\n" );
// check validity
if( !current.isValid() ) htmlEditor_->clear();
else {
// retrieve item
const HelpItem& item( model_.get( current ) );
htmlEditor_->setHtml( item.text() );
}
return;
}
//_________________________________________________________
void HelpDialog::_updateConfiguration( void )
{
Debug::Throw( "HelpDialog::_updateConfiguration.\n" );
htmlEditor_->setFont( qApp->font() );
}
}
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