コード例 #1
0
void QgsPropertyOverrideButton::showAssistant()
{
  //first step - try to convert any existing expression to a transformer if one doesn't
  //already exist
  if ( !mProperty.transformer() )
  {
    ( void )mProperty.convertToTransformer();
  }

  QgsPanelWidget *panel = QgsPanelWidget::findParentPanel( this );
  QgsPropertyAssistantWidget *widget = new QgsPropertyAssistantWidget( panel, mDefinition, mProperty, mVectorLayer );
  widget->registerExpressionContextGenerator( mExpressionContextGenerator );
  widget->setSymbol( mSymbol ); // we only show legend preview in dialog version

  if ( panel && panel->dockMode() )
  {
    connect( widget, &QgsPropertyAssistantWidget::widgetChanged, this, [this, widget]
    {
      widget->updateProperty( this->mProperty );
      mExpressionString = this->mProperty.asExpression();
      mFieldName = this->mProperty.field();
      updateSiblingWidgets( isActive() );
      this->emit changed();
    } );

    connect( widget, &QgsPropertyAssistantWidget::panelAccepted, this, [ = ] { updateGui(); } );

    panel->openPanel( widget );
    return;
  }
  else
  {
    // Show the dialog version if not in a panel
    QDialog *dlg = new QDialog( this );
    QString key = QStringLiteral( "/UI/paneldialog/%1" ).arg( widget->panelTitle() );
    QgsSettings settings;
    dlg->restoreGeometry( settings.value( key ).toByteArray() );
    dlg->setWindowTitle( widget->panelTitle() );
    dlg->setLayout( new QVBoxLayout() );
    dlg->layout()->addWidget( widget );
    QDialogButtonBox *buttonBox = new QDialogButtonBox( QDialogButtonBox::Cancel | QDialogButtonBox::Help | QDialogButtonBox::Ok );
    connect( buttonBox, &QDialogButtonBox::accepted, dlg, &QDialog::accept );
    connect( buttonBox, &QDialogButtonBox::rejected, dlg, &QDialog::reject );
    connect( buttonBox, &QDialogButtonBox::helpRequested, this, &QgsPropertyOverrideButton::showHelp );
    dlg->layout()->addWidget( buttonBox );

    if ( dlg->exec() == QDialog::Accepted )
    {
      widget->updateProperty( mProperty );
      mExpressionString = mProperty.asExpression();
      mFieldName = mProperty.field();
      widget->acceptPanel();
      updateSiblingWidgets( isActive() );
      updateGui();

      emit changed();
    }
    settings.setValue( key, dlg->saveGeometry() );
  }
}
コード例 #2
0
ファイル: rscviewer.cpp プロジェクト: yog-muskrat/mapapi
QString RscViewer::selectKey(const QString &rscName, int localFilter)
{
	QDialog d;
	d.setWindowTitle("Выбор знака");

	QPushButton pbOk("Готово");
	QPushButton pbCancel("Отмена");

	RscViewer view;
	view.setRsc(rscName);
	view.setLocalFilter(localFilter);
	if(localFilter >= 0)
	{
		view.hideFilter();
	}

	connect(&pbOk, SIGNAL(clicked()), &d, SLOT(accept()));
	connect(&view, SIGNAL(signSelected()), &d, SLOT(accept()));
	connect(&pbCancel, SIGNAL(clicked()), &d, SLOT(reject()));

	QVBoxLayout *main = new QVBoxLayout(&d);

	main->addWidget( &view );

	QHBoxLayout *btnlay = new QHBoxLayout();
	btnlay->addStretch();
	btnlay->addWidget( &pbOk );
	btnlay->addWidget( &pbCancel );

	main->addLayout(btnlay);

	QSettings set(qApp->organizationName(), qApp->applicationName());

	d.restoreGeometry( set.value("rscviewer_geometry").toByteArray() );

	bool ok = d.exec();

	set.setValue("rscviewer_geometry", d.saveGeometry() );

	if(!ok)
	{
		return 0;
	}

	return view.selectedSignKey();
}