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34 package info.magnolia.ui.admincentral.shellapp.favorites;
35
36 import com.vaadin.event.dd.DragAndDropEvent;
37 import com.vaadin.event.dd.DropHandler;
38 import com.vaadin.event.dd.acceptcriteria.AcceptCriterion;
39 import com.vaadin.event.dd.acceptcriteria.ServerSideCriterion;
40 import com.vaadin.shared.ui.dd.VerticalDropLocation;
41
42
43
44
45 public class EntryDragAndDropWrapper extends AbstractFavoritesDragAndDropWrapper {
46
47 public EntryDragAndDropWrapper(FavoritesEntry root, FavoritesView.Listener listener) {
48 super(root, listener);
49 }
50
51 @Override
52 protected void init() {
53 setDragStartMode(DragStartMode.WRAPPER);
54 setSizeUndefined();
55
56 setDropHandler(new DropHandler() {
57
58 @Override
59 public void drop(DragAndDropEvent event) {
60 String sourcePath = ((FavoritesEntry) ((EntryDragAndDropWrapper) event.getTransferable().getSourceComponent()).getWrappedComponent()).getRelPath();
61 WrapperTransferable transferable = (WrapperTransferable) event.getTransferable();
62 WrapperTargetDetails details = (WrapperTargetDetails) event.getTargetDetails();
63 String verticalDropLocation = (String) details.getData("verticalLocation");
64 boolean isDragDown = (details.getMouseEvent().getClientY() - transferable.getMouseDownEvent().getClientY()) > 0;
65
66 if (isDragDown && (verticalDropLocation.equals(VerticalDropLocation.BOTTOM.name()) || verticalDropLocation.equals(VerticalDropLocation.MIDDLE.name()))) {
67 getListener().orderFavoriteAfter(sourcePath, ((FavoritesEntry) getWrappedComponent()).getNodename());
68 } else if (!isDragDown && (verticalDropLocation.equals(VerticalDropLocation.TOP.name()) || verticalDropLocation.equals(VerticalDropLocation.MIDDLE.name()))) {
69 getListener().orderFavoriteBefore(sourcePath, ((FavoritesEntry) getWrappedComponent()).getNodename());
70 }
71 }
72
73 @Override
74 public AcceptCriterion getAcceptCriterion() {
75 return new ServerSideCriterion() {
76
77 @Override
78 public boolean accept(DragAndDropEvent dragEvent) {
79
80 AbstractFavoritesDragAndDropWrapper wrapper = (AbstractFavoritesDragAndDropWrapper) dragEvent.getTransferable().getSourceComponent();
81 if (!(wrapper.getWrappedComponent() instanceof FavoritesEntry)) {
82 return false;
83 }
84
85
86 String sourceGroup = ((FavoritesEntry) ((EntryDragAndDropWrapper) dragEvent.getTransferable().getSourceComponent()).getWrappedComponent()).getGroup();
87 if (sourceGroup == null) {
88 return ((FavoritesEntry) getWrappedComponent()).getGroup() == null;
89 }
90 return sourceGroup.equals(((FavoritesEntry) getWrappedComponent()).getGroup());
91 }
92 };
93 }
94 });
95
96 }
97
98 }