org.eclipse.swt.widgets.Scale#setPageIncrement ( )源码实例Demo

private void renderTransparency(final Shell shell) {
	Group group = new Group(shell, SWT.NONE);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 6, 1));
	group.setLayout(new GridLayout(1, false));
	group.setText("Transparency");
	final Scale transparencySlider = new Scale(group, SWT.HORIZONTAL);
	transparencySlider.setMinimum(20);
	transparencySlider.setMaximum(100);
	transparencySlider.setPageIncrement(90);
	transparencySlider.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
	transparencySlider.setSelection(100);
	transparencySlider.addListener(SWT.Selection, new Listener() {

		@Override
		public void handleEvent(Event event) {
			shell.setAlpha(255 * transparencySlider.getSelection() / 100);
		}
	});
}
 

private void createRankGroup(Composite parent) {
    Composite prioGroup = new Composite(parent, SWT.NONE);
    prioGroup.setLayout(new GridLayout(2, false));

    Label minRankLabel = new Label(prioGroup, SWT.NONE);
    minRankLabel.setText(getMessage("property.minRank") + System.getProperty("line.separator")
            + getMessage("property.minRank.line2"));
    minRankLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));

    minRankSlider = new Scale(prioGroup, SWT.DROP_DOWN | SWT.READ_ONLY);
    minRankSlider.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false));
    minRankSlider.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            int rank = minRankSlider.getSelection();
            getCurrentProps().getFilterSettings().setMinRank(rank);
            updateRankValueLabel();
        }
    });
    minRankSlider.setMinimum(BugRanker.VISIBLE_RANK_MIN);
    minRankSlider.setMaximum(BugRanker.VISIBLE_RANK_MAX);
    minRankSlider.setSelection(getCurrentProps().getFilterSettings().getMinRank());
    minRankSlider.setIncrement(1);
    minRankSlider.setPageIncrement(5);
    Label dummyLabel = new Label(prioGroup, SWT.NONE);
    dummyLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));

    rankValueLabel = new Label(prioGroup, SWT.NONE);
    rankValueLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false));
    updateRankValueLabel();
}
 

/**
 * Create the composite.
 * @param parent
 * @param style
 */
public LegendPageBar(Composite parent, int style) {
	super(parent, style);
	setLayout(new GridLayout(2, false));
	
	lblLegend = new Label(this, SWT.NONE);
	lblLegend.setText("Legend ");
	
	btnEnableLegend = new Button(this, SWT.CHECK);
	btnEnableLegend.setText("Enable Legend");
	
	Label lblBackgroundColor = new Label(this, SWT.NONE);
	GridData gd_lblBackgroundColor = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_lblBackgroundColor.widthHint = 150;
	lblBackgroundColor.setLayoutData(gd_lblBackgroundColor);
	lblBackgroundColor.setText("Background Color");
	
	labelColorShow = new Label(this, SWT.BORDER);
	GridData gd_labelColorShow = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_labelColorShow.widthHint = 100;
	labelColorShow.setLayoutData(gd_labelColorShow);
	labelColorShow.setText(" ");
	labelColorShow.setBackground(PageSupport.getColor(parent, 0));
	labelColorShow.addMouseListener(this);
	
	Label lblOutline = new Label(this, SWT.NONE);
	lblOutline.setText("Outline Style");
	
	comboOutline = new Combo(this, SWT.READ_ONLY);
	comboOutline.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
	comboOutline.add("None");
	comboOutline.add("Dashed");
	comboOutline.add("Dash Dotted");
	comboOutline.add("Dotted");
	comboOutline.add("Solid");
	comboOutline.select(0);
	
	lblMaxPercent = new Label(this, SWT.NONE);
	lblMaxPercent.setText("Max. Percent");
	
	scale = new Scale(this, SWT.NONE);
	scale.setIncrement(2);
	GridData gd_scale = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_scale.widthHint = 309;
	scale.setLayoutData(gd_scale);
	scale.setPageIncrement(2);
	scale.setMaximum(50);
	scale.setSelection(10);
	scale.addSelectionListener(this);
	
	Label lblPosition = new Label(this, SWT.NONE);
	lblPosition.setText("Position");
	
	comboPosition = new Combo(this, SWT.READ_ONLY);
	comboPosition.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
	comboPosition.add("Right");
	comboPosition.add("Left");
	comboPosition.add("Below");
	comboPosition.add("Top");
	comboPosition.select(0);		

	loadSettings();
}
 

/**
 * Create the composite.
 * @param parent
 * @param style
 */
public LegendPagePie(Composite parent, int style) {
	super(parent, style);
	setLayout(new GridLayout(2, false));
	
	lblLegend = new Label(this, SWT.NONE);
	lblLegend.setText("Legend");
	
	btnEnableLegend = new Button(this, SWT.CHECK);
	btnEnableLegend.setText("Enable Legend");
	
	Label lblBackgroundColor = new Label(this, SWT.NONE);
	GridData gd_lblBackgroundColor = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_lblBackgroundColor.widthHint = 150;
	lblBackgroundColor.setLayoutData(gd_lblBackgroundColor);
	lblBackgroundColor.setText("Background Color");
	
	labelColorShow = new Label(this, SWT.BORDER);
	GridData gd_labelColorShow = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_labelColorShow.widthHint = 100;
	labelColorShow.setLayoutData(gd_labelColorShow);
	labelColorShow.setText(" ");
	labelColorShow.setBackground(PageSupport.getColor(parent, 0));
	labelColorShow.addMouseListener(this);
	
	Label lblOutline = new Label(this, SWT.NONE);
	lblOutline.setText("Outline Style");
	
	comboOutline = new Combo(this, SWT.READ_ONLY);
	comboOutline.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
	comboOutline.add("None");
	comboOutline.add("Dashed");
	comboOutline.add("Dash Dotted");
	comboOutline.add("Dotted");
	comboOutline.add("Solid");
	comboOutline.select(0);
	
	lblMaxPercent = new Label(this, SWT.NONE);
	lblMaxPercent.setText("Max. Percent");
	
	scale = new Scale(this, SWT.NONE);
	scale.setIncrement(2);
	GridData gd_scale = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
	gd_scale.widthHint = 309;
	scale.setLayoutData(gd_scale);
	scale.setPageIncrement(2);
	scale.setMaximum(50);
	scale.setSelection(10);
	scale.addSelectionListener(this);
	
	Label lblPosition = new Label(this, SWT.NONE);
	lblPosition.setText("Position");
	
	comboPosition = new Combo(this, SWT.READ_ONLY);
	comboPosition.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
	comboPosition.add("Right");
	comboPosition.add("Left");
	comboPosition.add("Below");
	comboPosition.add("Top");
	comboPosition.select(0);		
	
	

	loadSettings();
}