public void onMouseDown(MouseDownEvent event) {
startX = event.getClientX();
startY = event.getClientY();
if (isDisabled() || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
return;
}
clickTarget = Element.as(event.getNativeEvent().getEventTarget());
mouseMoveCanceled = false;
if (weekGrid.getCalendar().isEventMoveAllowed() || clickTargetsResize()) {
moveRegistration = addMouseMoveHandler(this);
setFocus(true);
try {
startYrelative = (int) ((double) event.getRelativeY(caption) % slotHeight);
startXrelative =
(event.getRelativeX(weekGrid.getElement()) - weekGrid.timebar.getOffsetWidth())
% getDateCellWidth();
} catch (Exception e) {
GWT.log("Exception calculating relative start position", e);
}
mouseMoveStarted = false;
Style s = getElement().getStyle();
s.setZIndex(1000);
startDatetimeFrom = (Date) calendarEvent.getStartTime().clone();
startDatetimeTo = (Date) calendarEvent.getEndTime().clone();
Event.setCapture(getElement());
}
// make sure the right cursor is always displayed
if (clickTargetsResize()) {
addGlobalResizeStyle();
}
/*
* We need to stop the event propagation or else the WeekGrid
* range select will kick in
*/
event.stopPropagation();
event.preventDefault();
}
public void attachWidgetToMouse(
MouseDownEvent event,
Widget w,
MouseMoveHandler mouseMoveHandler,
MouseUpHandler mouseUpHandler) {
this.mouseMoveHandler = mouseMoveHandler;
this.mouseUpHandler = mouseUpHandler;
if (widget == w) return;
clearWidgetFromMouse();
widget = w;
if (widget != null) {
height = w.getOffsetHeight();
width = w.getOffsetWidth();
offsetX = event.getRelativeX(w.getElement());
offsetY = event.getRelativeY(w.getElement());
parent.add(widget);
parent.setWidgetTopHeight(widget, event.getClientY() - offsetY, Unit.PX, height, Unit.PX);
parent.setWidgetLeftWidth(widget, event.getClientX() - offsetX, Unit.PX, width, Unit.PX);
attachHandlers();
}
}
