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442 lines
13 KiB
442 lines
13 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2003 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmdialogview.h"
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#include "pmdialogeditbase.h"
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#include "pmallobjects.h"
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#include "pmdebug.h"
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#include "pmfactory.h"
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#include "pmdatachangecommand.h"
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#include "pmpart.h"
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#include "pmdocumentationmap.h"
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kdialog.h>
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#include <kprocess.h>
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#include <kiconloader.h>
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#include <krun.h>
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#include <kstdguiitem.h>
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#include <tqlayout.h>
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#include <tqpushbutton.h>
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#include <tqgroupbox.h>
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#include <tqscrollview.h>
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#include <tqlabel.h>
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PMDialogEditContent::PMDialogEditContent( TQWidget* parent, const char* name )
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: TQScrollView( parent, name )
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{
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m_pContents = 0;
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setVScrollBarMode( AlwaysOff );
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setHScrollBarMode( AlwaysOff );
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setFrameStyle( Panel | Sunken );
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setLineWidth( 1 );
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setResizePolicy( Manual );
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}
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void PMDialogEditContent::setContents( TQWidget* wid )
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{
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if( m_pContents )
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removeChild( m_pContents );
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m_pContents = wid;
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if( m_pContents )
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{
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addChild( m_pContents );
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calculateSize( );
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}
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}
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void PMDialogEditContent::calculateSize( )
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{
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int fw = lineWidth( ) * 2;
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if( m_pContents )
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{
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TQSize newSize = m_pContents->minimumSizeHint( );
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setVScrollBarMode( AlwaysOff );
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setHScrollBarMode( AlwaysOff );
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setMargins( 0, 0, 0, 0 );
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if( width( ) - fw < newSize.width( ) )
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{
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setHScrollBarMode( AlwaysOn );
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if( ( height( ) - horizontalScrollBar( )->height( ) - fw )
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< newSize.height( ) )
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setVScrollBarMode( AlwaysOn );
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else
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newSize.setHeight( height( ) - horizontalScrollBar( )->height( ) - 2 );
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}
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else if( height( ) - fw < newSize.height( ) )
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{
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setVScrollBarMode( AlwaysOn );
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if( ( width( ) - verticalScrollBar( )->width( ) - fw )
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< newSize.width( ) )
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setHScrollBarMode( AlwaysOn );
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else
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newSize.setWidth( width( ) - verticalScrollBar( )->width( ) - fw );
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}
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else
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{
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newSize.setWidth( width( ) - fw );
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newSize.setHeight( height( ) - fw );
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}
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resizeContents( newSize.width( ), newSize.height( ) );
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m_pContents->resize( newSize );
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}
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}
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void PMDialogEditContent::resizeEvent( TQResizeEvent* /* ev */ )
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{
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calculateSize( );
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}
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PMDialogView::PMDialogView( PMPart* part, TQWidget* parent, const char* name )
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: PMViewBase( parent, name )
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{
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m_pDisplayedWidget = 0;
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m_unsavedData = false;
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m_pHelper = new PMDialogEditContent( this );
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m_pHelper->show( );
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m_pPart = part;
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m_pLayout = new TQVBoxLayout( this, KDialog::marginHint( ),
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KDialog::spacingHint( ) );
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TQHBoxLayout* labelLayout = new TQHBoxLayout( m_pLayout );
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m_pPixmapLabel = new TQLabel( this );
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m_pObjectTypeLabel = new TQLabel( this );
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labelLayout->addWidget( m_pPixmapLabel );
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labelLayout->addWidget( m_pObjectTypeLabel );
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labelLayout->addStretch( );
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m_pLayout->addWidget( m_pHelper, 2 );
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m_pLayout->addStretch( );
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TQHBoxLayout* buttonLayout = new TQHBoxLayout( m_pLayout );
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m_pHelpButton = new KPushButton( KStdGuiItem::help(), this );
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buttonLayout->addWidget( m_pHelpButton );
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connect( m_pHelpButton, TQT_SIGNAL( clicked( ) ), this, TQT_SLOT( slotHelp( ) ) );
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m_pHelpButton->setEnabled( false );
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m_pApplyButton = new KPushButton( KStdGuiItem::apply(), this );
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buttonLayout->addWidget( m_pApplyButton );
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connect( m_pApplyButton, TQT_SIGNAL( clicked( ) ), this, TQT_SLOT( slotApply( ) ) );
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m_pApplyButton->setEnabled( false );
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buttonLayout->addStretch( );
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m_pCancelButton = new KPushButton( KStdGuiItem::cancel(), this );
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buttonLayout->addWidget( m_pCancelButton );
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connect( m_pCancelButton, TQT_SIGNAL( clicked( ) ), this, TQT_SLOT( slotCancel( ) ) );
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m_pCancelButton->setEnabled( false );
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m_pLayout->activate( );
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connect( part, TQT_SIGNAL( refresh( ) ), TQT_SLOT( slotRefresh( ) ) );
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connect( part, TQT_SIGNAL( objectChanged( PMObject*, const int, TQObject* ) ),
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TQT_SLOT( slotObjectChanged( PMObject*, const int, TQObject* ) ) );
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connect( part, TQT_SIGNAL( clear( ) ), TQT_SLOT( slotClear( ) ) );
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connect( part, TQT_SIGNAL( aboutToRender( ) ), TQT_SLOT( slotAboutToRender( ) ) );
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connect( part, TQT_SIGNAL( aboutToSave( ) ), TQT_SLOT( slotAboutToRender( ) ) );
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connect( this, TQT_SIGNAL( objectChanged( PMObject*, const int, TQObject* ) ),
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part, TQT_SLOT( slotObjectChanged( PMObject*, const int, TQObject* ) ) );
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displayObject( m_pPart->activeObject( ) );
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}
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PMDialogView::~PMDialogView( )
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{
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emit destroyed( this );
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}
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void PMDialogView::slotObjectChanged( PMObject* obj, const int mode, TQObject* sender )
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{
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if( sender == this )
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return;
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if( mode & PMCNewSelection )
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{
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if( m_pDisplayedWidget )
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if( m_pDisplayedWidget->displayedObject( ) )
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if( m_unsavedData )
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if( shouldSaveData( ) )
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slotApply( );
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displayObject( obj );
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}
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if( mode & ( PMCSelected | PMCDeselected ) )
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{
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if( m_pDisplayedWidget )
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if( m_pDisplayedWidget->displayedObject( ) )
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if( m_unsavedData )
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if( shouldSaveData( ) )
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slotApply( );
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displayObject( 0 );
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}
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if( mode & PMCRemove )
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{
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if( m_pDisplayedWidget )
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{
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if( m_pDisplayedWidget->displayedObject( ) == obj )
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{
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displayObject( 0 );
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}
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}
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}
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if( mode & ( PMCData | PMCDescription ) )
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{
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if( m_pDisplayedWidget )
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{
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if( m_pDisplayedWidget->displayedObject( ) )
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{
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if( m_pDisplayedWidget->displayedObject( ) == obj )
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{
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displayObject( obj, mode & PMCDescription );
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m_unsavedData = false;
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m_pApplyButton->setEnabled( false );
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m_pCancelButton->setEnabled( false );
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}
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}
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}
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}
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if( mode & PMCControlPointSelection )
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{
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if( m_pDisplayedWidget )
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m_pDisplayedWidget->updateControlPointSelection( );
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}
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}
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bool PMDialogView::shouldSaveData( )
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{
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return ( KMessageBox::questionYesNo(
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this, i18n( "This object was modified.\n\nSave changes?" ),
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i18n( "Unsaved Changes" ), KStdGuiItem::save(), KStdGuiItem::discard() ) == KMessageBox::Yes );
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}
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void PMDialogView::slotRefresh( )
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{
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if( m_pDisplayedWidget )
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m_pDisplayedWidget->redisplay( );
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}
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void PMDialogView::slotClear( )
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{
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displayObject( 0 );
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}
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void PMDialogView::slotApply( )
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{
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if( m_pDisplayedWidget )
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{
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PMObject* obj = m_pDisplayedWidget->displayedObject( );
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if( obj )
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{
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if( m_pDisplayedWidget->isDataValid( ) )
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{
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PMDataChangeCommand* cmd;
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obj->createMemento( );
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m_pDisplayedWidget->saveData( );
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cmd = new PMDataChangeCommand( obj->takeMemento( ) );
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m_pPart->executeCommand( cmd );
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m_pApplyButton->setEnabled( false );
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m_pCancelButton->setEnabled( false );
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m_unsavedData = false;
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}
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}
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}
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}
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void PMDialogView::slotHelp( )
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{
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if( m_pDisplayedWidget && m_pDisplayedWidget->displayedObject( ) )
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{
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TQString url = PMDocumentationMap::theMap( )->documentation(
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m_pDisplayedWidget->displayedObject( )->className( ) );
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if( !url.isEmpty( ) )
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{
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// Instead of calling invokeBrowser run konqueror directly.
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// invokeBrowser was ignoring html anchors.
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url = "konqueror " + KProcess::quote(url);
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KRun::runCommand( url );
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}
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}
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}
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void PMDialogView::slotCancel( )
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{
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m_pCancelButton->setEnabled( false );
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m_pApplyButton->setEnabled( false );
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m_unsavedData = false;
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if( m_pDisplayedWidget )
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{
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bool b = m_pDisplayedWidget->signalsBlocked( );
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m_pDisplayedWidget->blockSignals( true );
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m_pDisplayedWidget->redisplay( );
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m_pDisplayedWidget->blockSignals( b );
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slotSizeChanged( );
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}
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}
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void PMDialogView::slotDataChanged( )
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{
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// kdDebug( PMArea ) << "PMDialogView::slotDataChanged\n";
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m_pApplyButton->setEnabled( true ) ;
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m_pCancelButton->setEnabled( true );
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m_unsavedData = true;
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}
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void PMDialogView::slotSizeChanged( )
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{
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// force recalculating of the layout
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if( m_pDisplayedWidget )
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if( m_pDisplayedWidget->layout( ) )
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m_pDisplayedWidget->layout( )->activate( );
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m_pHelper->calculateSize( );
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}
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void PMDialogView::slotControlPointSelectionChanged( )
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{
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if( m_pDisplayedWidget && m_pDisplayedWidget->displayedObject( ) )
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emit objectChanged( m_pDisplayedWidget->displayedObject( ),
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PMCControlPointSelection, this );
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}
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void PMDialogView::displayObject( PMObject* obj, bool updateDescription )
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{
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PMDialogEditBase* old = 0;
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if( !obj )
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{
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if( m_pDisplayedWidget )
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old = m_pDisplayedWidget;
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m_pDisplayedWidget = new PMDialogEditBase( m_pHelper->viewport( ) );
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m_pDisplayedWidget->createWidgets( );
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m_pHelper->setContents( m_pDisplayedWidget );
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m_pPixmapLabel->setText( "" );
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m_pObjectTypeLabel->setText( "" );
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}
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else
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{
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bool newWidget = true;
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if( m_pDisplayedWidget )
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{
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if( m_pDisplayedWidget->displayedObject( ) )
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{
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if( obj->type( ) == m_pDisplayedWidget->displayedObject( )->type( ) )
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{
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// current widget displays object of the same type
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// reuse the widget
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newWidget = false;
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}
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}
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}
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if( newWidget )
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{
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// first create the new widget, then delete the old one.
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if( m_pDisplayedWidget )
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old = m_pDisplayedWidget;
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m_pDisplayedWidget = obj->editWidget( m_pHelper->viewport( ) );
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m_pDisplayedWidget->setPart( m_pPart );
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m_pDisplayedWidget->createWidgets( );
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m_pHelper->setContents( m_pDisplayedWidget );
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if( m_pDisplayedWidget )
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{
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connect( m_pDisplayedWidget, TQT_SIGNAL( dataChanged( ) ),
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this, TQT_SLOT( slotDataChanged( ) ) );
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connect( m_pDisplayedWidget, TQT_SIGNAL( sizeChanged( ) ),
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this, TQT_SLOT( slotSizeChanged( ) ) );
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connect( m_pDisplayedWidget, TQT_SIGNAL( aboutToRender( ) ),
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this, TQT_SLOT( slotAboutToRender( ) ) );
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connect( m_pDisplayedWidget,
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TQT_SIGNAL( controlPointSelectionChanged( ) ),
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TQT_SLOT( slotControlPointSelectionChanged( ) ) );
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}
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}
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}
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if( m_pDisplayedWidget )
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{
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bool b = m_pDisplayedWidget->signalsBlocked( );
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m_pDisplayedWidget->blockSignals( true );
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m_pDisplayedWidget->displayObject( obj );
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m_pDisplayedWidget->blockSignals( b );
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m_pHelpButton->setEnabled( !m_pDisplayedWidget->helpTopic( ).isNull() );
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if( !m_pDisplayedWidget->isVisible( ) )
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m_pDisplayedWidget->show( );
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if( obj && updateDescription )
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{
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m_pPixmapLabel->setPixmap( SmallIcon( obj->pixmap( ), PMFactory::instance( ) ) );
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m_pObjectTypeLabel->setText( obj->description( ) );
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}
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slotSizeChanged( );
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}
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if( old )
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delete old;
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m_pApplyButton->setEnabled( false );
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m_pCancelButton->setEnabled( false );
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m_pHelpButton->setEnabled( !PMDocumentationMap::theMap( )
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->povrayDocumentationPath( ).isEmpty( ) );
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m_unsavedData = false;
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}
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void PMDialogView::keyPressEvent( TQKeyEvent* ev )
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{
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if( ( ev->key( ) == Key_Return ) || ( ev->key( ) == Key_Enter ) )
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slotApply( );
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}
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void PMDialogView::slotAboutToRender( )
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{
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if( m_unsavedData )
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if( shouldSaveData( ) )
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slotApply( );
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}
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TQString PMDialogView::description( ) const
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{
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return i18n( "Object Properties" );
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}
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TQString PMDialogViewFactory::description( ) const
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{
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return i18n( "Object Properties" );
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}
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#include "pmdialogview.moc"
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