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| package org.ericmignot.modeler.gui.palette; |
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| |
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| import java.awt.Point; |
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22 |
| import java.awt.event.MouseEvent; |
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23 |
| |
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24 |
| import org.ericmignot.modeler.util.action.ActionException; |
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25 |
| import org.ericmignot.modeler.util.action.NotifyableAction; |
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26 |
| import org.ericmignot.modeler.util.graphic.MagneticGridMover; |
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27 |
| |
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28 |
| public abstract class DragAndDropPaletteTool extends ItemPaletteTool |
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29 |
| { |
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30 |
| |
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31 |
| protected MagneticGridMover magneticGridMover; |
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32 |
| protected int xPressed; |
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33 |
| protected int yPressed; |
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34 |
| protected NotifyableAction mousePressedAction; |
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35 |
| |
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36 |
0
| public void mousePressed(MouseEvent e)
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37 |
| { |
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38 |
0
| if (e.isConsumed()) return;
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39 |
0
| this.mousePressed(e.getX(), e.getY());
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40 |
0
| e.consume();
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41 |
| } |
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42 |
7
| protected void mousePressed(int x, int y)
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43 |
| { |
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44 |
7
| this.xPressed = x;
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45 |
7
| this.yPressed = y;
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46 |
7
| this.targetedItem = null;
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47 |
7
| this.mousePressedAction = this.workAreaReleased(this.xPressed, this.yPressed);
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48 |
7
| if (this.mousePressedAction != null)
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49 |
| { |
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50 |
6
| this.magneticGridMover = new MagneticGridMover(this.getController().getMagneticGridStep());
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51 |
6
| this.magneticGridMover.setCandidatPointToMove(new Point(this.xPressed, this.yPressed));
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52 |
6
| this.magneticGridMover.setInitialEvent(this.xPressed, this.yPressed);
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53 |
6
| this.mousePressedImpl();
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54 |
| } |
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55 |
| } |
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56 |
| protected abstract void mousePressedImpl(); |
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57 |
| |
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58 |
| |
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59 |
0
| public void mouseDragged(MouseEvent e)
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60 |
| { |
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61 |
0
| if (e.isConsumed()) return;
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62 |
0
| this.mouseDragged(e.getX(), e.getY());
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63 |
0
| e.consume();
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64 |
| } |
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65 |
6
| protected void mouseDragged(int x, int y)
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66 |
| { |
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67 |
6
| if (this.targetedItem != null)
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68 |
| { |
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69 |
6
| Point p = this.magneticGridMover.getNewPositionFromMouseDraggedEvent(x, y);
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70 |
6
| if (p != null)
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71 |
| { |
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72 |
4
| Point delta = computeDelta(new Point(this.xPressed, this.yPressed), new Point(x, y));
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73 |
4
| this.mouseDraggedImpl(delta);
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74 |
4
| this.xPressed = x;
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75 |
4
| this.yPressed = y;
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76 |
4
| this.magneticGridMover.setCandidatPointToMove(p);
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77 |
4
| this.magneticGridMover.setInitialEvent(p);
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78 |
| } |
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79 |
| } |
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80 |
| } |
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81 |
4
| protected Point computeDelta(Point start, Point end)
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|
82 |
| { |
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83 |
4
| Point delta = new Point(end.x-start.x, end.y-start.y);
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84 |
4
| double zoom = this.getController().getZoomFactor();
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85 |
4
| delta.x = (int)(delta.x / zoom);
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86 |
4
| delta.y = (int)(delta.y / zoom);
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87 |
4
| return delta;
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88 |
| } |
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| protected abstract void mouseDraggedImpl(Point delta); |
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90 |
| |
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91 |
| |
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92 |
| |
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93 |
0
| public void mouseReleased(MouseEvent e)
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|
94 |
| { |
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95 |
0
| if (e.isConsumed()) return;
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96 |
0
| this.mouseReleased();
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97 |
0
| e.consume();
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98 |
| } |
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99 |
1
| public void mouseReleased()
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|
100 |
| { |
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101 |
1
| if (this.mousePressedAction != null)
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|
102 |
| { |
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103 |
1
| try {
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104 |
1
| this.mousePressedAction.cancel(null);
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105 |
| } catch (ActionException e) { |
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106 |
0
| e.printStackTrace();
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107 |
| } |
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108 |
1
| if (this.getController() != null)
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|
109 |
| { |
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110 |
1
| this.getController().treatExecute(mousePressedAction);
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111 |
| } |
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112 |
1
| this.fireItemClicked();
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113 |
| } |
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114 |
| } |
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115 |
| |
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116 |
| |
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117 |
| } |
