Java 类org.eclipse.draw2d.LayoutListener 实例源码

@Override
protected IFigure createFigure() {
    IFigure r = new Figure();
    RowDataFigureLayout layout = new RowDataFigureLayout(getTimeline().getPage());
    layout.setRowElementHeight(TimelineUtils.getRowElementHeight(this));
    layout.setOverlapFactor(TIMELINE_PREFERENCES.getFloat(TimelinePreferencePage.P_ROW_ELEMENT_OVERLAP));
    r.setLayoutManager(layout);
    r.setOpaque(false);
    //
    // This tricky little method makes sure that the headers of the timeline
    // that correspond to this row have the same height
    r.addLayoutListener(new LayoutListener.Stub() {
        @Override
        public void postLayout(IFigure container) {
            int height = container.getBounds().height;
            List list = (List) getViewer().getEditPartRegistry().get(getModel());
            for (Object o : list) {
                GraphicalEditPart ep = (GraphicalEditPart) o;
                Request request = new Request(REQ_ROW_DATA_LAYOUT);
                request.getExtendedData().put("height", height);
                ep.performRequest(request);
            }
        }
    });
    return r;
}

@Override
public void activate() {
    super.activate();
    if (getLabelProvider() != null) {
        getLabelProvider().addListener(listener);
    }
    expansionModel = (ExpansionModel) getViewer().getProperty(ExpansionModel.ID);
    if (expansionModel != null) {
        expansionModel.addPropertyChangeListener(listener);
    }
    getFigure().addLayoutListener(new LayoutListener.Stub() {
        @Override public void postLayout(IFigure container) { updateVisibility(); }
    });
    getViewer().addPropertyChangeListener(listener);
    getTimelineTreeContentProvider().addListener(listener);
    TIMELINE_PREFERENCES.addPropertyChangeListener(listener);
    getViewer().getTimelineSectionModel().eAdapters().add(listener);
    serviceListener = new ServiceListener(getViewer().getTimeline(), (EObject)getModel());
    getTimeline().addPropertyChangeListener(listener);
    getTimeline().getWorkspaceResourceService().addResourceChangeListener(serviceListener);
}

@Override
public void activate() {
    if (getViewer().isAnimated()) {
        getFigure().addLayoutListener(LayoutAnimator.getDefault());
    }
    getFigure().addLayoutListener(new LayoutListener.Stub() {
        @Override public void postLayout(IFigure container) { updateVisibility(); }
    });
    TIMELINE_PREFERENCES.addPropertyChangeListener(listener);
    getTimeline().addPropertyChangeListener(listener);
    getViewer().addPropertyChangeListener(listener);
    getViewer().getTreeTimelineContentProvider().addListener(listener);
    getViewer().getTimelineSectionModel().eAdapters().add(listener);
    super.activate();
}