/**
* Handling MouseOver event.
*
* @param tr - element to be processed.
*/
protected void onRowHovered(Element tr) {
if (tr == hoveredTR) {
return;
}
setStyleNormal(hoveredTR);
if (subPopupAnchor != null) {
setStyleHovered(subPopupAnchor);
}
if (!isRowEnabled(tr)) {
hoveredTR = null;
return;
}
hoveredTR = tr;
setStyleHovered(tr);
int itemIndex = Integer.parseInt(tr.getAttribute("item-index"));
Action menuItem = list.get(itemIndex);
openSubPopupTimer.cancel();
if (menuItem instanceof ActionGroup
&& !(((ActionGroup) menuItem).canBePerformed()
&& !Utils.hasVisibleChildren(
(ActionGroup) menuItem,
presentationFactory,
actionManager,
managerProvider.get()))) {
openSubPopupTimer.schedule(300);
} else {
closeSubPopupTimer.cancel();
closeSubPopupTimer.schedule(200);
}
}
private void openSubPopup(final Element tableRowElement) {
if (tableRowElement == null) {
return;
}
if (openedSubPopup != null) {
if (tableRowElement == subPopupAnchor) {
return;
}
openedSubPopup.closePopup();
}
if (subPopupAnchor != null) {
Element e = subPopupAnchor;
subPopupAnchor = null;
setStyleNormal(e);
}
subPopupAnchor = tableRowElement;
setStyleHovered(subPopupAnchor);
int itemIndex = Integer.parseInt(tableRowElement.getAttribute("item-index"));
Action menuItem = list.get(itemIndex);
String idPrefix = itemIdPrefix;
if (idPrefix != null) {
idPrefix += "/" + presentationFactory.getPresentation(menuItem).getText();
}
openedSubPopup =
new PopupMenu(
(ActionGroup) menuItem,
actionManager,
managerProvider,
presentationFactory,
lockLayer,
actionSelectedHandler,
keyBindingAgent,
idPrefix);
final int HORIZONTAL_OFFSET = 3;
final int VERTICAL_OFFSET = 1;
openedSubPopup.getElement().getStyle().setVisibility(Visibility.HIDDEN);
lockLayer.add(openedSubPopup, 0, 0);
Scheduler.get()
.scheduleDeferred(
new ScheduledCommand() {
@Override
public void execute() {
int left = getAbsoluteLeft() + getOffsetWidth() - HORIZONTAL_OFFSET;
int top =
tableRowElement.getAbsoluteTop() - lockLayer.getTopOffset() - VERTICAL_OFFSET;
if (left + openedSubPopup.getOffsetWidth() > Window.getClientWidth()) {
if (left > openedSubPopup.getOffsetWidth()) {
left = getAbsoluteLeft() - openedSubPopup.getOffsetWidth() + HORIZONTAL_OFFSET;
} else {
int diff = left + openedSubPopup.getOffsetWidth() - Window.getClientWidth();
left -= diff;
}
}
if (top + openedSubPopup.getOffsetHeight() > Window.getClientHeight()) {
if (top > openedSubPopup.getOffsetHeight()) {
top =
tableRowElement.getAbsoluteTop()
- openedSubPopup.getOffsetHeight()
+ VERTICAL_OFFSET;
} else {
int diff = top + openedSubPopup.getOffsetHeight() - Window.getClientHeight();
top -= diff;
}
}
openedSubPopup.getElement().getStyle().setLeft(left, Unit.PX);
openedSubPopup.getElement().getStyle().setTop(top, Unit.PX);
openedSubPopup.getElement().getStyle().setVisibility(Visibility.VISIBLE);
}
});
}