/**
* Sets the current {@link #resourceComponent}. This triggers any updates to the UI
* asynchronously.
*
* <p><b>Note:</b> This method should only be called when the active {@link #editor} changes,
* i.e., via {@link #setActiveEditor(ICEFormEditor)}.
*
* @param component The new ResourceComponent, or null to unset it. This is assumed to be a new
* value.
*/
private void setResourceComponent(ResourceComponent component) {
// If necessary, clear the contents of the view and unregister from the
// previous ResourceComponent.
if (resourceComponent != null) {
// Unregister from the old ResourceComponent.
resourceComponent.unregister(this);
// Clear the related UI pieces.
if (resourceTreeViewer != null && !resourceTreeViewer.getControl().isDisposed()) {
textList.clear();
imageList.clear();
resourceTreeViewer.refresh();
resourceTreeViewer.getTree().redraw();
}
// Unset the reference to the old ResourceComponent.
resourceComponent = null;
}
// If the new ResourceComponent is valid, update the contents of the
// view and register for updates from it.
if (component != null) {
// Set the component reference
resourceComponent = component;
// Register this view with the Component to receive updates
resourceComponent.register(this);
// Trigger a UI update.
update(resourceComponent);
}
return;
}
