private static void readScrollPosition(final Tree tree) {
String left = WidgetLCAUtil.readPropertyValue(tree, "scrollLeft");
String top = WidgetLCAUtil.readPropertyValue(tree, "scrollTop");
if (left != null && top != null) {
Object adapter = tree.getAdapter(ITreeAdapter.class);
final ITreeAdapter treeAdapter = (ITreeAdapter) adapter;
final int newScrollLeft = parsePosition(left);
final int newScrollTop = parsePosition(top);
final int oldScrollTop = treeAdapter.getScrollTop();
treeAdapter.setScrollLeft(newScrollLeft);
treeAdapter.setScrollTop(newScrollTop);
if (oldScrollTop != newScrollTop) {
ProcessActionRunner.add(
new Runnable() {
public void run() {
treeAdapter.checkAllData(tree);
}
});
}
}
}
private static Boolean hasVScrollBar(final Tree tree) {
Object adapter = tree.getAdapter(ITreeAdapter.class);
ITreeAdapter treeAdapter = (ITreeAdapter) adapter;
return Boolean.valueOf(treeAdapter.hasVScrollBar());
}
private static Integer getScrollLeft(final Tree tree) {
Object adapter = tree.getAdapter(ITreeAdapter.class);
ITreeAdapter treeAdapter = (ITreeAdapter) adapter;
return new Integer(treeAdapter.getScrollLeft());
}