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1
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package abbot.tester;
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2
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3
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import java.awt.*;
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4
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import java.awt.datatransfer.*;
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5
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import java.awt.dnd.*;
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6
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import javax.swing.*;
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7
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8
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import abbot.Log;
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9
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10
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public class DragLabel extends DropLabel {
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11
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private class DragData implements Transferable {
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12
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7
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public DataFlavor[] getTransferDataFlavors() {
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13
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7
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return new DataFlavor[] {
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14
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DataFlavor.stringFlavor
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15
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};
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16
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}
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17
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0
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public boolean isDataFlavorSupported(DataFlavor flavor) {
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18
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0
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return true;
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19
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}
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20
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0
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public Object getTransferData(DataFlavor flavor) {
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21
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0
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return getName();
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22
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}
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23
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}
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24
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25
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26
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public volatile boolean dragStarted = false;
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27
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28
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public volatile boolean dragExited = false;
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29
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30
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public volatile boolean dropSuccessful = false;
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31
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32
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public volatile boolean dragEnded = false;
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33
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public Exception exception = null;
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34
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private DragGestureListener dgl = null;
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35
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private DragSourceListener dsl = null;
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36
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private DragSource dragSource = null;
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37
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private int acceptedActions = DnDConstants.ACTION_COPY_OR_MOVE;
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38
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4
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public DragLabel(String name) { this(name, true); }
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39
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7
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public DragLabel(String name, final boolean acceptDrops) {
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40
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7
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super(name, acceptDrops);
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41
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7
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setName("DragLabel (" + name + ")");
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42
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7
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dragSource = DragSource.getDefaultDragSource();
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43
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7
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dgl = new DragGestureListener() {
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44
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7
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public void dragGestureRecognized(DragGestureEvent e) {
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45
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7
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Log.debug("Recognizing gesture");
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46
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7
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if ((e.getDragAction() & acceptedActions) == 0)
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47
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0
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return;
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48
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7
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Log.debug("Drag started (listener)");
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49
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7
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dragStarted = true;
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50
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7
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try {
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51
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7
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e.startDrag(acceptDrops
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52
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? DragSource.DefaultCopyDrop
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53
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: DragSource.DefaultCopyNoDrop,
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54
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new DragData(), dsl);
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55
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7
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setForeground(Color.red);
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56
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7
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paintImmediately(getBounds());
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57
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}
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58
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catch(InvalidDnDOperationException idoe) {
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59
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0
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exception = idoe;
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60
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}
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61
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}
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62
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};
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63
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7
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dsl = new DragSourceListener() {
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64
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7
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public void dragDropEnd(DragSourceDropEvent e) {
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65
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7
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Log.debug("Drag ended (success="
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66
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+ e.getDropSuccess() + ")");
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67
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7
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dropSuccessful = e.getDropSuccess();
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68
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7
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dragEnded = true;
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69
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7
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setForeground(Color.black);
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70
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7
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paintImmediately(getBounds());
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71
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}
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72
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11
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public void dragEnter(DragSourceDragEvent e) {
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73
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11
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Log.debug("Drag enter (source)");
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74
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}
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75
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52
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public void dragOver(DragSourceDragEvent e) {
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76
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52
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Log.debug("Drag over (source)");
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77
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}
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78
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14
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public void dragExit(DragSourceEvent e) {
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79
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14
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Log.debug("Drag exit (source)");
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80
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14
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dragExited = true;
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81
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}
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82
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0
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public void dropActionChanged(DragSourceDragEvent e) {
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83
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0
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Log.debug("Drop action changed (source)");
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84
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}
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85
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};
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86
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7
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dragSource.
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87
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createDefaultDragGestureRecognizer(this, acceptedActions, dgl);
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88
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}
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89
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}
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90
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91
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