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);
}
});
}
}
}
public void readData(final Widget widget) {
ScrolledComposite composite = (ScrolledComposite) widget;
Point origin = composite.getOrigin();
String value = WidgetLCAUtil.readPropertyValue(widget, PARAM_H_BAR_SELECTION);
ScrollBar hScroll = composite.getHorizontalBar();
if (value != null && hScroll != null) {
origin.x = Integer.parseInt(value);
processSelection(hScroll);
}
value = WidgetLCAUtil.readPropertyValue(widget, PARAM_V_BAR_SELECTION);
ScrollBar vScroll = composite.getVerticalBar();
if (value != null && vScroll != null) {
origin.y = Integer.parseInt(value);
processSelection(vScroll);
}
composite.setOrigin(origin);
ControlLCAUtil.processMouseEvents(composite);
ControlLCAUtil.processKeyEvents(composite);
ControlLCAUtil.processMenuDetect(composite);
WidgetLCAUtil.processHelp(composite);
}
// TODO [rh] is this safe for multiple shells?
private static void processActivate(final Shell shell) {
HttpServletRequest request = ContextProvider.getRequest();
String widgetId = request.getParameter(JSConst.EVENT_WIDGET_ACTIVATED);
if (widgetId != null) {
Widget widget = WidgetUtil.find(shell, widgetId);
if (widget != null) {
setActiveControl(shell, widget);
}
} else {
String activeControlId = WidgetLCAUtil.readPropertyValue(shell, "activeControl");
Widget widget = WidgetUtil.find(shell, activeControlId);
if (widget != null) {
setActiveControl(shell, widget);
}
}
}
private static void readSelection(final Tree tree) {
String value = WidgetLCAUtil.readPropertyValue(tree, "selection");
if (value != null) {
String[] values = value.split(",");
TreeItem[] selectedItems = new TreeItem[values.length];
boolean validItemFound = false;
for (int i = 0; i < values.length; i++) {
selectedItems[i] = (TreeItem) WidgetUtil.find(tree, values[i]);
if (selectedItems[i] != null) {
validItemFound = true;
}
}
if (!validItemFound) {
selectedItems = new TreeItem[0];
}
tree.setSelection(selectedItems);
}
}
