org.eclipse.swt.widgets.Spinner#addListener ( )源码实例Demo

private void createAnimationGroup(Composite parent) {
	Group animationGroup = createEmptyGroup(parent, "Animation");
	animationGroup.setLayout(new RowLayout());

	bAnimation = createButton(animationGroup, SWT.CHECK, "Animations", false, false);
	bAnimation.addListener(SWT.Selection, groupParamSelectionListener);

	cAnimationMovement = new Combo(animationGroup, SWT.READ_ONLY);
	cAnimationMovement.setItems(new String[] { "ExpoOut", "BounceOut", "ElasticOut", "LinearInOut" });
	cAnimationMovement.setText("ExpoOut");
	cAnimationMovement.addListener(SWT.Selection, groupParamSelectionListener);

	sAnimationDuration = new Spinner(animationGroup, SWT.NONE);
	sAnimationDuration.setMinimum(250);
	sAnimationDuration.setMaximum(5000);
	sAnimationDuration.setIncrement(100);
	sAnimationDuration.setSelection(500);
	sAnimationDuration.addListener(SWT.Selection, groupParamSelectionListener);
}
 

private void createDecoratorsGroup(Composite parent) {
	Group dataGroup = createEmptyGroup(parent, "Decorators");
	dataGroup.setLayout(new RowLayout());

	sDecoratorNumber = new Spinner(dataGroup, SWT.NONE);
	sDecoratorNumber.setMinimum(1);
	sDecoratorNumber.setMaximum(5);
	sDecoratorNumber.setIncrement(1);
	sDecoratorNumber.setSelection(1);
	sDecoratorNumber.addListener(SWT.Selection, contentParamSelectionListener);

	bDecoratorLeft = createButton(dataGroup, SWT.CHECK, "Top Left", false, false);
	bDecoratorLeft.addListener(SWT.Selection, contentParamSelectionListener);
	bDecoratorUp = createButton(dataGroup, SWT.CHECK, "Top Right", false, false);
	bDecoratorUp.addListener(SWT.Selection, contentParamSelectionListener);
	bDecoratorRight = createButton(dataGroup, SWT.CHECK, "Bottom Right", false, false);
	bDecoratorRight.addListener(SWT.Selection, contentParamSelectionListener);
	bDecoratorDown = createButton(dataGroup, SWT.CHECK, "Bottom Left", false, false);
	bDecoratorDown.addListener(SWT.Selection, contentParamSelectionListener);
}
 

private void createItemParametersGroup(Composite parent) {
	Group dataGroup = createEmptyGroup(parent, "Item parameters");
	dataGroup.setLayout(new RowLayout());

	cItemRenderer = new Combo(dataGroup, SWT.READ_ONLY);
	cItemRenderer.setItems(new String[] { "Icon", "List" });
	cItemRenderer.setText("Icon");
	cItemRenderer.addListener(SWT.Selection, itemRendererParamSelectionListener);

	bItemDropShadow = createButton(dataGroup, SWT.CHECK, "Drop shadow", false, true);

	sItemDropShadowSize = new Spinner(dataGroup, SWT.NONE);
	sItemDropShadowSize.setMinimum(0);
	sItemDropShadowSize.setMaximum(20);
	sItemDropShadowSize.setIncrement(1);
	sItemDropShadowSize.setSelection(5);
	sItemDropShadowSize.addListener(SWT.Selection, itemRendererParamSelectionListener);

	bItemLabel = createButton(dataGroup, SWT.CHECK, "Display labels", false, true);
}
 

/**
 * @see org.eclipse.nebula.widgets.opal.preferencewindow.widgets.PWWidget#build(org.eclipse.swt.widgets.Composite)
 */
@Override
public Control build(final Composite parent) {
	buildLabel(parent, GridData.CENTER);
	final Spinner spinner = new Spinner(parent, SWT.HORIZONTAL | SWT.BORDER);
	addControl(spinner);
	spinner.setMinimum(min);
	spinner.setMaximum(max);
	final Integer originalValue = (Integer) PreferenceWindow.getInstance().getValueFor(getPropertyKey());
	spinner.setSelection(originalValue.intValue());

	spinner.addListener(SWT.Modify, event -> {
		PreferenceWindow.getInstance().setValue(getPropertyKey(), Integer.valueOf(spinner.getSelection()));
	});

	return spinner;
}
 

private Spinner createPageCountSpinner(Composite parent,
		Listener selectionListener) {
	Spinner spinner = new Spinner(parent, SWT.BORDER);
	spinner.setMinimum(1);
	spinner.setMaximum(99);
	spinner.addListener(SWT.Selection, selectionListener);
	return spinner;
}
 

private Spinner createPageCountSpinner(Composite parent,
		Listener selectionListener) {
	Spinner spinner = new Spinner(parent, SWT.BORDER);
	spinner.setMinimum(1);
	spinner.setMaximum(99);
	spinner.addListener(SWT.Selection, selectionListener);
	return spinner;
}
 

private void placeComponents( )
{
	GridLayout glNumberStandard = new GridLayout( );
	glNumberStandard.verticalSpacing = 5;
	glNumberStandard.numColumns = 4;
	glNumberStandard.marginHeight = 2;
	glNumberStandard.marginWidth = 2;

	GridData gdGRPNumberStandard = new GridData( GridData.FILL_BOTH );
	this.setLayoutData( gdGRPNumberStandard );
	this.setLayout( glNumberStandard );

	lblPrefix = new Label( this, SWT.NONE );
	GridData gdLBLPrefix = new GridData( );
	lblPrefix.setLayoutData( gdLBLPrefix );
	lblPrefix.setText( Messages.getString( "FormatSpecifierComposite.Lbl.Prefix" ) ); //$NON-NLS-1$

	txtPrefix = new Text( this, SWT.BORDER | SWT.SINGLE );
	GridData gdTXTPrefix = new GridData( GridData.FILL_HORIZONTAL );
	gdTXTPrefix.widthHint = 60;
	txtPrefix.setLayoutData( gdTXTPrefix );
	txtPrefix.addModifyListener( this );

	lblSuffix = new Label( this, SWT.NONE );
	GridData gdLBLSuffix = new GridData( );
	lblSuffix.setLayoutData( gdLBLSuffix );
	lblSuffix.setText( Messages.getString( "FormatSpecifierComposite.Lbl.Suffix" ) ); //$NON-NLS-1$

	txtSuffix = new Text( this, SWT.BORDER | SWT.SINGLE );
	GridData gdTXTSuffix = new GridData( GridData.FILL_HORIZONTAL );
	gdTXTSuffix.widthHint = 60;
	txtSuffix.setLayoutData( gdTXTSuffix );
	txtSuffix.addModifyListener( this );

	lblMultiplier = new Label( this, SWT.NONE );
	GridData gdLBLMultiplier = new GridData( );
	lblMultiplier.setLayoutData( gdLBLMultiplier );
	lblMultiplier.setText( Messages.getString( "FormatSpecifierComposite.Lbl.Multiplier" ) ); //$NON-NLS-1$

	txtMultiplier = new LocalizedNumberEditorComposite( this,
			SWT.BORDER | SWT.SINGLE );
	new TextNumberEditorAssistField( txtMultiplier.getTextControl( ), null );
	
	GridData gdTXTMultiplier = new GridData( GridData.FILL_HORIZONTAL );
	gdTXTMultiplier.widthHint = 60;
	txtMultiplier.setLayoutData( gdTXTMultiplier );
	txtMultiplier.addModifyListener( this );

	lblFractionDigit = new Label( this, SWT.NONE );
	GridData gdLBLFractionDigit = new GridData( );
	lblFractionDigit.setLayoutData( gdLBLFractionDigit );
	lblFractionDigit.setText( Messages.getString( "FormatSpecifierComposite.Lbl.FractionDigits" ) ); //$NON-NLS-1$

	iscFractionDigits = new Spinner( this, SWT.BORDER );
	GridData gdISCFractionDigits = new GridData( GridData.FILL_HORIZONTAL );
	gdISCFractionDigits.widthHint = 60;
	iscFractionDigits.setLayoutData( gdISCFractionDigits );
	iscFractionDigits.setSelection( 2 );
	iscFractionDigits.addListener( SWT.Selection, this );
}