private JsTimeLineEvent[] getTimeLineEvents(LightweightCollection<VisualItem> resourceItems) {
JsTimeLineEvent[] events = new JsTimeLineEvent[resourceItems.size()];
int counter = 0;
for (VisualItem item : resourceItems) {
TimeLineItem timelineItem = (TimeLineItem) item.getDisplayObject();
events[counter++] = timelineItem.getTimeLineEvent();
}
return events;
}
// XXX VisualItems should not be referenced here.
public static List<String> getSharedPropertiesOfDataType(
LightweightCollection<VisualItem> visualItems, DataType dataType) {
List<String> properties = new ArrayList<String>();
if (visualItems.isEmpty()) {
return properties;
}
// get all valid properties from the first visualItem
for (String property : getProperties(visualItems.getFirstElement().getResources(), dataType)) {
properties.add(property);
}
// only keep properties that are shared by all of the resource
for (VisualItem visualItem : visualItems) {
ResourceSet resources = visualItem.getResources();
properties.retainAll(getProperties(resources, dataType).toList());
}
return properties;
}
@Override
public void update(Delta<VisualItem> delta, LightweightCollection<Slot> updatedSlots) {
// TODO pull up
if (!timelineWidget.isAttached()) {
return;
}
LightweightCollection<VisualItem> addedVisualItems = delta.getAddedElements();
if (!addedVisualItems.isEmpty()) {
createTimeLineItems(addedVisualItems);
addEventsToTimeline(addedVisualItems);
updateStatusStyling(addedVisualItems);
}
LightweightCollection<VisualItem> updatedVisualItems = delta.getUpdatedElements();
if (!updatedVisualItems.isEmpty()) {
updateStatusStyling(updatedVisualItems);
}
LightweightCollection<VisualItem> removedVisualItems = delta.getRemovedElements();
if (!removedVisualItems.isEmpty()) {
removeEventsFromTimeline(removedVisualItems);
}
// TODO refactor
if (!updatedSlots.isEmpty()) {
for (VisualItem visualItem : getVisualItems()) {
TimeLineItem timelineItem = (TimeLineItem) visualItem.getDisplayObject();
for (Slot slot : updatedSlots) {
if (slot.equals(BORDER_COLOR)) {
timelineItem.updateBorderColor();
} else if (slot.equals(COLOR)) {
timelineItem.updateColor();
}
}
}
}
}
private void createTimeLineItems(LightweightCollection<VisualItem> addedVisualItems) {
for (VisualItem visualItem : addedVisualItems) {
visualItem.setDisplayObject(new TimeLineItem(visualItem, this));
}
}
private void updateStatusStyling(LightweightCollection<VisualItem> visualItems) {
for (VisualItem visualItem : visualItems) {
visualItem.<TimeLineItem>getDisplayObject().setStatusStyling();
}
}