diff options
Diffstat (limited to 'kpovmodeler/pmdialogview.cpp')
| -rw-r--r-- | kpovmodeler/pmdialogview.cpp | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/kpovmodeler/pmdialogview.cpp b/kpovmodeler/pmdialogview.cpp new file mode 100644 index 00000000..f88a0272 --- /dev/null +++ b/kpovmodeler/pmdialogview.cpp @@ -0,0 +1,441 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2003 by Andreas Zehender + email : zehender@kde.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. * +* * +**************************************************************************/ + + +#include "pmdialogview.h" +#include "pmdialogeditbase.h" +#include "pmallobjects.h" +#include "pmdebug.h" +#include "pmfactory.h" +#include "pmdatachangecommand.h" +#include "pmpart.h" +#include "pmdocumentationmap.h" + +#include <klocale.h> +#include <kmessagebox.h> +#include <kdialog.h> +#include <kprocess.h> +#include <kiconloader.h> +#include <krun.h> +#include <kstdguiitem.h> + +#include <qlayout.h> +#include <qpushbutton.h> +#include <qgroupbox.h> +#include <qscrollview.h> +#include <qlabel.h> + +PMDialogEditContent::PMDialogEditContent( QWidget* parent, const char* name ) + : QScrollView( parent, name ) +{ + m_pContents = 0; + setVScrollBarMode( AlwaysOff ); + setHScrollBarMode( AlwaysOff ); + setFrameStyle( Panel | Sunken ); + setLineWidth( 1 ); + setResizePolicy( Manual ); +} + +void PMDialogEditContent::setContents( QWidget* wid ) +{ + if( m_pContents ) + removeChild( m_pContents ); + + m_pContents = wid; + + if( m_pContents ) + { + addChild( m_pContents ); + calculateSize( ); + } +} + +void PMDialogEditContent::calculateSize( ) +{ + int fw = lineWidth( ) * 2; + if( m_pContents ) + { + QSize newSize = m_pContents->minimumSizeHint( ); + + setVScrollBarMode( AlwaysOff ); + setHScrollBarMode( AlwaysOff ); + setMargins( 0, 0, 0, 0 ); + + if( width( ) - fw < newSize.width( ) ) + { + setHScrollBarMode( AlwaysOn ); + + if( ( height( ) - horizontalScrollBar( )->height( ) - fw ) + < newSize.height( ) ) + setVScrollBarMode( AlwaysOn ); + else + newSize.setHeight( height( ) - horizontalScrollBar( )->height( ) - 2 ); + } + else if( height( ) - fw < newSize.height( ) ) + { + setVScrollBarMode( AlwaysOn ); + + if( ( width( ) - verticalScrollBar( )->width( ) - fw ) + < newSize.width( ) ) + setHScrollBarMode( AlwaysOn ); + else + newSize.setWidth( width( ) - verticalScrollBar( )->width( ) - fw ); + } + else + { + newSize.setWidth( width( ) - fw ); + newSize.setHeight( height( ) - fw ); + } + + resizeContents( newSize.width( ), newSize.height( ) ); + m_pContents->resize( newSize ); + } +} + +void PMDialogEditContent::resizeEvent( QResizeEvent* /* ev */ ) +{ + calculateSize( ); +} + +PMDialogView::PMDialogView( PMPart* part, QWidget* parent, const char* name ) + : PMViewBase( parent, name ) +{ + m_pDisplayedWidget = 0; + m_unsavedData = false; + m_pHelper = new PMDialogEditContent( this ); + m_pHelper->show( ); + m_pPart = part; + + m_pLayout = new QVBoxLayout( this, KDialog::marginHint( ), + KDialog::spacingHint( ) ); + + QHBoxLayout* labelLayout = new QHBoxLayout( m_pLayout ); + m_pPixmapLabel = new QLabel( this ); + m_pObjectTypeLabel = new QLabel( this ); + labelLayout->addWidget( m_pPixmapLabel ); + labelLayout->addWidget( m_pObjectTypeLabel ); + labelLayout->addStretch( ); + + m_pLayout->addWidget( m_pHelper, 2 ); + m_pLayout->addStretch( ); + + QHBoxLayout* buttonLayout = new QHBoxLayout( m_pLayout ); + m_pHelpButton = new KPushButton( KStdGuiItem::help(), this ); + buttonLayout->addWidget( m_pHelpButton ); + connect( m_pHelpButton, SIGNAL( clicked( ) ), this, SLOT( slotHelp( ) ) ); + m_pHelpButton->setEnabled( false ); + + m_pApplyButton = new KPushButton( KStdGuiItem::apply(), this ); + buttonLayout->addWidget( m_pApplyButton ); + connect( m_pApplyButton, SIGNAL( clicked( ) ), this, SLOT( slotApply( ) ) ); + m_pApplyButton->setEnabled( false ); + + buttonLayout->addStretch( ); + + m_pCancelButton = new KPushButton( KStdGuiItem::cancel(), this ); + buttonLayout->addWidget( m_pCancelButton ); + connect( m_pCancelButton, SIGNAL( clicked( ) ), this, SLOT( slotCancel( ) ) ); + m_pCancelButton->setEnabled( false ); + + m_pLayout->activate( ); + + connect( part, SIGNAL( refresh( ) ), SLOT( slotRefresh( ) ) ); + connect( part, SIGNAL( objectChanged( PMObject*, const int, QObject* ) ), + SLOT( slotObjectChanged( PMObject*, const int, QObject* ) ) ); + connect( part, SIGNAL( clear( ) ), SLOT( slotClear( ) ) ); + connect( part, SIGNAL( aboutToRender( ) ), SLOT( slotAboutToRender( ) ) ); + connect( part, SIGNAL( aboutToSave( ) ), SLOT( slotAboutToRender( ) ) ); + connect( this, SIGNAL( objectChanged( PMObject*, const int, QObject* ) ), + part, SLOT( slotObjectChanged( PMObject*, const int, QObject* ) ) ); + + displayObject( m_pPart->activeObject( ) ); +} + + + +PMDialogView::~PMDialogView( ) +{ + emit destroyed( this ); +} + +void PMDialogView::slotObjectChanged( PMObject* obj, const int mode, QObject* sender ) +{ + if( sender == this ) + return; + if( mode & PMCNewSelection ) + { + if( m_pDisplayedWidget ) + if( m_pDisplayedWidget->displayedObject( ) ) + if( m_unsavedData ) + if( shouldSaveData( ) ) + slotApply( ); + + displayObject( obj ); + } + if( mode & ( PMCSelected | PMCDeselected ) ) + { + if( m_pDisplayedWidget ) + if( m_pDisplayedWidget->displayedObject( ) ) + if( m_unsavedData ) + if( shouldSaveData( ) ) + slotApply( ); + + displayObject( 0 ); + } + if( mode & PMCRemove ) + { + if( m_pDisplayedWidget ) + { + if( m_pDisplayedWidget->displayedObject( ) == obj ) + { + displayObject( 0 ); + } + } + } + if( mode & ( PMCData | PMCDescription ) ) + { + if( m_pDisplayedWidget ) + { + if( m_pDisplayedWidget->displayedObject( ) ) + { + if( m_pDisplayedWidget->displayedObject( ) == obj ) + { + displayObject( obj, mode & PMCDescription ); + m_unsavedData = false; + m_pApplyButton->setEnabled( false ); + m_pCancelButton->setEnabled( false ); + } + } + } + } + if( mode & PMCControlPointSelection ) + { + if( m_pDisplayedWidget ) + m_pDisplayedWidget->updateControlPointSelection( ); + } +} + +bool PMDialogView::shouldSaveData( ) +{ + return ( KMessageBox::questionYesNo( + this, i18n( "This object was modified.\n\nSave changes?" ), + i18n( "Unsaved Changes" ), KStdGuiItem::save(), KStdGuiItem::discard() ) == KMessageBox::Yes ); +} + +void PMDialogView::slotRefresh( ) +{ + if( m_pDisplayedWidget ) + m_pDisplayedWidget->redisplay( ); +} + +void PMDialogView::slotClear( ) +{ + displayObject( 0 ); +} + +void PMDialogView::slotApply( ) +{ + if( m_pDisplayedWidget ) + { + PMObject* obj = m_pDisplayedWidget->displayedObject( ); + if( obj ) + { + if( m_pDisplayedWidget->isDataValid( ) ) + { + PMDataChangeCommand* cmd; + + obj->createMemento( ); + m_pDisplayedWidget->saveData( ); + cmd = new PMDataChangeCommand( obj->takeMemento( ) ); + m_pPart->executeCommand( cmd ); + + m_pApplyButton->setEnabled( false ); + m_pCancelButton->setEnabled( false ); + m_unsavedData = false; + } + } + } +} + +void PMDialogView::slotHelp( ) +{ + if( m_pDisplayedWidget && m_pDisplayedWidget->displayedObject( ) ) + { + QString url = PMDocumentationMap::theMap( )->documentation( + m_pDisplayedWidget->displayedObject( )->className( ) ); + if( !url.isEmpty( ) ) + { + // Instead of calling invokeBrowser run konqueror directly. + // invokeBrowser was ignoring html anchors. + url = "konqueror " + KProcess::quote(url); + KRun::runCommand( url ); + } + } +} + +void PMDialogView::slotCancel( ) +{ + m_pCancelButton->setEnabled( false ); + m_pApplyButton->setEnabled( false ); + m_unsavedData = false; + + if( m_pDisplayedWidget ) + { + bool b = m_pDisplayedWidget->signalsBlocked( ); + m_pDisplayedWidget->blockSignals( true ); + m_pDisplayedWidget->redisplay( ); + m_pDisplayedWidget->blockSignals( b ); + slotSizeChanged( ); + } +} + +void PMDialogView::slotDataChanged( ) +{ +// kdDebug( PMArea ) << "PMDialogView::slotDataChanged\n"; + m_pApplyButton->setEnabled( true ) ; + m_pCancelButton->setEnabled( true ); + + m_unsavedData = true; +} + +void PMDialogView::slotSizeChanged( ) +{ + // force recalculating of the layout + if( m_pDisplayedWidget ) + if( m_pDisplayedWidget->layout( ) ) + m_pDisplayedWidget->layout( )->activate( ); + m_pHelper->calculateSize( ); +} + +void PMDialogView::slotControlPointSelectionChanged( ) +{ + if( m_pDisplayedWidget && m_pDisplayedWidget->displayedObject( ) ) + emit objectChanged( m_pDisplayedWidget->displayedObject( ), + PMCControlPointSelection, this ); +} + +void PMDialogView::displayObject( PMObject* obj, bool updateDescription ) +{ + PMDialogEditBase* old = 0; + + if( !obj ) + { + if( m_pDisplayedWidget ) + old = m_pDisplayedWidget; + + m_pDisplayedWidget = new PMDialogEditBase( m_pHelper->viewport( ) ); + m_pDisplayedWidget->createWidgets( ); + m_pHelper->setContents( m_pDisplayedWidget ); + m_pPixmapLabel->setText( "" ); + m_pObjectTypeLabel->setText( "" ); + } + else + { + bool newWidget = true; + if( m_pDisplayedWidget ) + { + if( m_pDisplayedWidget->displayedObject( ) ) + { + if( obj->type( ) == m_pDisplayedWidget->displayedObject( )->type( ) ) + { + // current widget displays object of the same type + // reuse the widget + newWidget = false; + } + } + } + + if( newWidget ) + { + // first create the new widget, then delete the old one. + if( m_pDisplayedWidget ) + old = m_pDisplayedWidget; + m_pDisplayedWidget = obj->editWidget( m_pHelper->viewport( ) ); + m_pDisplayedWidget->setPart( m_pPart ); + m_pDisplayedWidget->createWidgets( ); + m_pHelper->setContents( m_pDisplayedWidget ); + + if( m_pDisplayedWidget ) + { + connect( m_pDisplayedWidget, SIGNAL( dataChanged( ) ), + this, SLOT( slotDataChanged( ) ) ); + connect( m_pDisplayedWidget, SIGNAL( sizeChanged( ) ), + this, SLOT( slotSizeChanged( ) ) ); + connect( m_pDisplayedWidget, SIGNAL( aboutToRender( ) ), + this, SLOT( slotAboutToRender( ) ) ); + connect( m_pDisplayedWidget, + SIGNAL( controlPointSelectionChanged( ) ), + SLOT( slotControlPointSelectionChanged( ) ) ); + + } + } + } + + if( m_pDisplayedWidget ) + { + bool b = m_pDisplayedWidget->signalsBlocked( ); + m_pDisplayedWidget->blockSignals( true ); + m_pDisplayedWidget->displayObject( obj ); + m_pDisplayedWidget->blockSignals( b ); + + m_pHelpButton->setEnabled( !m_pDisplayedWidget->helpTopic( ).isNull() ); + + if( !m_pDisplayedWidget->isVisible( ) ) + m_pDisplayedWidget->show( ); + if( obj && updateDescription ) + { + m_pPixmapLabel->setPixmap( SmallIcon( obj->pixmap( ), PMFactory::instance( ) ) ); + m_pObjectTypeLabel->setText( obj->description( ) ); + } + slotSizeChanged( ); + } + + if( old ) + delete old; + + m_pApplyButton->setEnabled( false ); + m_pCancelButton->setEnabled( false ); + m_pHelpButton->setEnabled( !PMDocumentationMap::theMap( ) + ->povrayDocumentationPath( ).isEmpty( ) ); + + m_unsavedData = false; +} + +void PMDialogView::keyPressEvent( QKeyEvent* ev ) +{ + if( ( ev->key( ) == Key_Return ) || ( ev->key( ) == Key_Enter ) ) + slotApply( ); +} + +void PMDialogView::slotAboutToRender( ) +{ + if( m_unsavedData ) + if( shouldSaveData( ) ) + slotApply( ); +} + +QString PMDialogView::description( ) const +{ + return i18n( "Object Properties" ); +} + +QString PMDialogViewFactory::description( ) const +{ + return i18n( "Object Properties" ); +} + +#include "pmdialogview.moc" |