Examples with ScrollBarLayout org.eclipse.draw2d.ScrollBarLayout used on opensource projects

Example 1 with ScrollBarLayout

use of org.eclipse.draw2d.ScrollBarLayout in project archi by archimatetool.

the class PaletteScrollBar method initialize.

@Override
protected void initialize() {
    super.initialize();
    setLayoutManager(new ScrollBarLayout(transposer) {

        @SuppressWarnings("deprecation")
        @Override
        protected Rectangle layoutButtons(ScrollBar scrollBar) {
            Rectangle bounds = transposer.t(scrollBar.getClientArea());
            Dimension buttonSize = new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT);
            getButtonUp().setBounds(transposer.t(new Rectangle(bounds.getTop().getTranslated(-(buttonSize.width / 2), 0), buttonSize)));
            Rectangle r = new Rectangle(bounds.getBottom().getTranslated(-(buttonSize.width / 2), -buttonSize.height), buttonSize);
            getButtonDown().setBounds(transposer.t(r));
            Rectangle trackBounds = bounds.getCropped(new Insets(buttonSize.height, 0, buttonSize.height, 0));
            RangeModel model = scrollBar.getRangeModel();
            getButtonUp().setVisible(model.getValue() != model.getMinimum());
            getButtonDown().setVisible(model.getValue() != model.getMaximum() - model.getExtent());
            return trackBounds;
        }
    });
    setPageUp(null);
    setPageDown(null);
    setThumb(null);
    setOpaque(false);
}