@Override
public void dragOver(VDragEvent drag) {
// Remove any emphasis
getLayout().emphasis(null, null);
Slot slot = getSlot(drag.getElementOver(), drag.getCurrentGwtEvent());
if (slot != null) {
getLayout().updateDragDetails(slot, drag);
} else {
getLayout().updateDragDetails(getLayout(), drag);
}
getLayout().postOverHook(drag);
// Validate the drop
validate(
new VAcceptCallback() {
public void accepted(VDragEvent event) {
Slot slot = getSlot(event.getElementOver(), event.getCurrentGwtEvent());
if (slot != null) {
getLayout().emphasis(slot, event);
} else {
getLayout().emphasis(getLayout(), event);
}
}
},
drag);
}
static VDragEvent createMockedVDragEvent(String dragSourceId, Widget widget, String theme) {
VDragEvent dragEvent = createMockedVDragEvent(dragSourceId, widget);
ApplicationConnection connection = Mockito.mock(ApplicationConnection.class);
when(dragEvent.getTransferable().getDragSource().getConnection()).thenReturn(connection);
UIConnector uiConnector = Mockito.mock(UIConnector.class);
when(connection.getUIConnector()).thenReturn(uiConnector);
when(uiConnector.getActiveTheme()).thenReturn(theme);
return dragEvent;
}
@Override
public boolean drop(VDragEvent drag) {
// Un-emphasis any selections
getLayout().emphasis(null, null);
// Update the details
Widget slot = getSlot(drag.getElementOver(), drag.getCurrentGwtEvent());
getLayout().updateDragDetails(slot, drag);
return getLayout().postDropHook(drag) && super.drop(drag);
}
@Override
public void dragEnter(VDragEvent drag) {
super.dragEnter(drag);
Slot slot = getSlot(drag.getElementOver(), drag.getCurrentGwtEvent());
if (slot != null) {
getLayout().updateDragDetails(slot, drag);
} else {
getLayout().updateDragDetails(getLayout(), drag);
}
getLayout().postEnterHook(drag);
}
static VDragEvent createMockedVDragEvent(String dragSourceId, Widget widget) {
com.google.gwt.user.client.Element element =
Mockito.mock(com.google.gwt.user.client.Element.class);
when(element.getId()).thenReturn(dragSourceId);
when(widget.getElement()).thenReturn(element);
ComponentConnector dragSource = Mockito.mock(ComponentConnector.class);
when(dragSource.getWidget()).thenReturn(widget);
VTransferable transferable = Mockito.mock(VTransferable.class);
when(transferable.getDragSource()).thenReturn(dragSource);
VDragEvent dragEvent = Mockito.mock(VDragEvent.class);
when(dragEvent.getTransferable()).thenReturn(transferable);
return dragEvent;
}
@Override
public void accept(final VDragEvent drag, UIDL configuration, final VAcceptCallback callback) {
if (lastDragEvent == null || lastDragEvent != drag) {
loaded = false;
lastDragEvent = drag;
}
if (loaded) {
Object object = drag.getDropDetails().get("itemIdOver");
if (hashSet.contains(object)) {
callback.accepted(drag);
}
} else {
VDragEventServerCallback acceptCallback =
new VDragEventServerCallback() {
@Override
public void handleResponse(boolean accepted, UIDL response) {
hashSet = new HashSet<String>();
String[] stringArrayAttribute = response.getStringArrayAttribute("allowedIds");
for (int i = 0; i < stringArrayAttribute.length; i++) {
hashSet.add(stringArrayAttribute[i]);
}
loaded = true;
if (accepted) {
callback.accepted(drag);
}
}
};
VDragAndDropManager.get().visitServer(acceptCallback);
}
}