/**
* Show page.
*
* @param id the id
*/
protected void showPage(String id) {
if (ID_ACTION_OUTLINE.equals(id)) {
showOutlineAction.setChecked(true);
showOverviewAction.setChecked(false);
pageBook.showPage(outline);
if (thumbnail != null) thumbnail.setVisible(false);
} else if (ID_ACTION_OVERVIEW.equals(id)) {
if (thumbnail == null) initializeOverview();
showOutlineAction.setChecked(false);
showOverviewAction.setChecked(true);
pageBook.showPage(overview);
thumbnail.setVisible(true);
}
}
/** Initialize overview. */
protected void initializeOverview() {
LightweightSystem lws = new J2DLightweightSystem(overview);
RootEditPart rep = editor.getGraphicalViewer().getRootEditPart();
if (rep instanceof MainDesignerRootEditPart) {
ScalableFreeformRootEditPart root = (ScalableFreeformRootEditPart) rep;
thumbnail =
new JSSScrollableThumbnail(
(Viewport) root.getFigure(), (MRoot) getViewer().getContents().getModel());
thumbnail.setSource(root.getLayer(LayerConstants.PRINTABLE_LAYERS));
lws.setContents(thumbnail);
disposeListener =
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
if (thumbnail != null) {
thumbnail.deactivate();
thumbnail = null;
}
}
};
editor.getEditor().addDisposeListener(disposeListener);
}
lws.setControl(overview);
}