/**
* Make the tabs draggable. Just give me a draghandler so I know what to do when its over.
*
* @param dragHandler the draghandler.
* @param dropController the drop controller.
*/
public void makeTabsDraggable(
final DragHandler dragHandler, final DropController dropController) {
draggable = true;
tabDragController = new PickupDragController(tabBoundaryPanel, false);
tabDragController.setBehaviorConstrainedToBoundaryPanel(true);
tabDragController.setBehaviorMultipleSelection(false);
tabDragController.setBehaviorDragStartSensitivity(DRAG_SENSITIVITY);
tabDragController.addDragHandler(dragHandler);
tabDragController.registerDropController(dropController);
}
public DragHandleExample(DemoDragHandler demoDragHandler) {
addStyleName(CSS_DEMO_DRAG_HANDLE_EXAMPLE);
// use the boundary panel as this composite's widget
final AbsolutePanel boundaryPanel = new AbsolutePanel();
boundaryPanel.setPixelSize(600, 400);
setWidget(boundaryPanel);
// create the title bar
HTML header =
new HTML(
"Title/Header (Drag Handle) with <a href='http://google.com/' target='_blank'>link</a>");
header.addStyleName(CSS_DEMO_DRAG_HANDLE_EXAMPLE_HEADER);
// add some text
HTML content =
new HTML(
"This is a <code>VerticalPanel</code> which can be dragged by its header,"
+ " i.e. the title/header widget.");
// add an editable text area
final TextArea textArea = new TextArea();
textArea.addStyleName(CSS_DEMO_DRAG_HANDLE_EXAMPLE_TEXTAREA);
// textArea.setSize("20em", "5em");
textArea.setText(
"You can click in this TextArea to get focus without causing the panel to be dragged.");
// add a clickable button
Button button = new Button("Click me");
button.addClickHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
textArea.setText(textArea.getText() + " Click!");
}
});
// create a panel to hold all our widgets
VerticalPanel verticalPanel = new VerticalPanel();
verticalPanel.setSpacing(2);
verticalPanel.addStyleName(CSS_DEMO_DRAG_HANDLE_EXAMPLE_PANEL);
verticalPanel.add(header);
verticalPanel.add(content);
verticalPanel.add(textArea);
verticalPanel.add(button);
boundaryPanel.add(verticalPanel, 20, 20);
// instantiate our drag controller
dragController = new PickupDragController(boundaryPanel, true);
dragController.addDragHandler(demoDragHandler);
dragController.setBehaviorConstrainedToBoundaryPanel(true);
dragController.setBehaviorMultipleSelection(false);
dragController.setBehaviorDragStartSensitivity(5);
// instantiate our drop controller
AbsolutePositionDropController dropController =
new AbsolutePositionDropController(boundaryPanel);
dragController.registerDropController(dropController);
// make the panel draggable by its header
dragController.makeDraggable(verticalPanel, header);
}
@Override
public void attach(CalendarWidget widget) {
super.attach(widget);
if (dayViewBody == null) {
dayViewBody = new DayViewBody(this);
dayViewHeader = new DayViewHeader(this);
layoutStrategy = new DayViewLayoutStrategy(this);
multiViewBody = new DayViewMultiDayBody(this);
}
calendarWidget.getRootPanel().add(dayViewHeader);
calendarWidget.getRootPanel().add(multiViewBody);
calendarWidget.getRootPanel().add(dayViewBody);
if (getSettings() != null) scrollToHour(getSettings().getScrollToHour());
if (dragController == null) {
dragController = new DayViewPickupDragController(dayViewBody.getGrid().grid, false);
dragController.setBehaviorDragProxy(true);
dragController.setBehaviorDragStartSensitivity(1);
dragController.setBehaviorConstrainedToBoundaryPanel(true); // do I need these?
dragController.setConstrainWidgetToBoundaryPanel(true); // do I need these?
dragController.setBehaviorMultipleSelection(false);
dragController.addDragHandler(
new DragHandler() {
public void onDragEnd(DragEndEvent event) {
Appointment appt =
((AppointmentWidget) event.getContext().draggable).getAppointment();
calendarWidget.setCommittedAppointment(appt);
calendarWidget.fireUpdateEvent(appt);
}
public void onDragStart(DragStartEvent event) {
Appointment appt =
((AppointmentWidget) event.getContext().draggable).getAppointment();
calendarWidget.setRollbackAppointment(appt.clone());
}
public void onPreviewDragEnd(DragEndEvent event) throws VetoDragException {}
public void onPreviewDragStart(DragStartEvent event) throws VetoDragException {}
});
}
if (dropController == null) {
dropController = new DayViewDropController(dayViewBody.getGrid().grid);
dragController.registerDropController(dropController);
}
if (resizeController == null) {
resizeController = new DayViewResizeController(dayViewBody.getGrid().grid);
resizeController.addDragHandler(
new DragHandler() {
public void onDragEnd(DragEndEvent event) {
Appointment appt =
((AppointmentWidget) event.getContext().draggable.getParent()).getAppointment();
calendarWidget.setCommittedAppointment(appt);
calendarWidget.fireUpdateEvent(appt);
}
public void onDragStart(DragStartEvent event) {
Appointment appt =
((AppointmentWidget) event.getContext().draggable.getParent()).getAppointment();
// AppointmentWidget appointment = (AppointmentWidget)event.getContext().draggable;
calendarWidget.setRollbackAppointment(
((AppointmentWidget) event.getContext().draggable.getParent())
.getAppointment()
.clone());
}
public void onPreviewDragEnd(DragEndEvent event) throws VetoDragException {}
public void onPreviewDragStart(DragStartEvent event) throws VetoDragException {}
});
}
}