private static void assertMouseCoordinates(Event event) {
assertEquals("clientX", CLIENT_X, event.getClientX());
assertEquals("clientY", CLIENT_Y, event.getClientY());
assertEquals("screenX", SCREEN_X, event.getScreenX());
assertEquals("screenY", SCREEN_Y, event.getScreenY());
}
public void endDrag(final Event evt, int action) {
if (curState_ == STATE_NONE) return;
// remove the properties used to position for dragging
if (dragElement_ != null) {
dragElement_.getStyle().clearLeft();
dragElement_.getStyle().clearPosition();
dragElement_.getStyle().clearZIndex();
dragElement_.getStyle().clearDisplay();
dragElement_.getStyle().clearOpacity();
// insert this tab where the placeholder landed if we're not
// cancelling
if (action == ACTION_COMMIT) {
dragTabsHost_.removeChild(dragElement_);
dragTabsHost_.insertAfter(dragElement_, dragPlaceholder_);
}
}
// remove the placeholder
if (dragPlaceholder_ != null) {
dragTabsHost_.removeChild(dragPlaceholder_);
dragPlaceholder_ = null;
}
if (dragElement_ != null && action == ACTION_EXTERNAL) {
// if we own the dragged tab, change to external drag state
dragElement_.getStyle().setOpacity(0.4);
curState_ = STATE_EXTERNAL;
} else {
// otherwise, we're back to pristine
curState_ = STATE_NONE;
events_.fireEvent(new DocTabDragStateChangedEvent(DocTabDragStateChangedEvent.STATE_NONE));
}
if (dragElement_ != null && action == ACTION_COMMIT) {
// let observer know we moved; adjust the destination position one to
// the left if we're right of the start position to account for the
// position of the tab prior to movement
if (startPos_ != null && startPos_ != destPos_) {
TabReorderEvent event = new TabReorderEvent(startPos_, destPos_);
fireEvent(event);
}
}
// this is the case when we adopt someone else's doc
if (dragElement_ == null && evt != null && action == ACTION_COMMIT) {
// pull the document ID and source window out
String data = evt.getDataTransfer().getData(getDataTransferFormat());
if (StringUtil.isNullOrEmpty(data)) return;
// the data format is docID|windowID; windowID can be omitted if
// the main window is the origin
String pieces[] = data.split("\\|");
if (pieces.length < 1) return;
events_.fireEvent(
new DocWindowChangedEvent(
pieces[0], pieces.length > 1 ? pieces[1] : "", initDragParams_, destPos_));
}
// this is the case when our own drag ends; if it ended outside our
// window and outside all satellites, treat it as a tab tear-off
if (dragElement_ != null && evt != null && action == ACTION_CANCEL) {
// if this is the last tab in satellite, we don't want to tear
// it out
boolean isLastSatelliteTab = docTabs_.size() == 1 && Satellite.isCurrentWindowSatellite();
// did the user drag the tab outside this doc?
if (!isLastSatelliteTab
&& DomUtils.elementFromPoint(evt.getClientX(), evt.getClientY()) == null) {
// did it end in any RStudio satellite window?
String targetWindowName;
Satellite satellite = RStudioGinjector.INSTANCE.getSatellite();
if (Satellite.isCurrentWindowSatellite()) {
// this is a satellite, ask the main window
targetWindowName = satellite.getWindowAtPoint(evt.getScreenX(), evt.getScreenY());
} else {
// this is the main window, query our own satellites
targetWindowName =
RStudioGinjector.INSTANCE
.getSatelliteManager()
.getWindowAtPoint(evt.getScreenX(), evt.getScreenY());
}
if (targetWindowName == null) {
// it was dragged over nothing RStudio owns--pop it out
events_.fireEvent(
new PopoutDocInitiatedEvent(
initDragParams_.getDocId(), new Point(evt.getScreenX(), evt.getScreenY())));
}
}
}
if (curState_ != STATE_EXTERNAL) {
// if we're in an end state, clear the drag element
dragElement_ = null;
}
}