Mercurial > hg > de.mpg.mpiwg.itgroup.digilib.plugin

comparison src/de/mpg/mpiwg/itgroup/digilib/manipulator/extensions/RectangleListener.java @ 1:83c58ea33792

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first release (continued)
author dwinter
date Mon, 03 Jan 2011 09:11:25 +0100
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0:6829553d2378 1:83c58ea33792
1 package de.mpg.mpiwg.itgroup.digilib.manipulator.extensions;
2
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6
7 import org.eclipse.swt.SWT;
8 import org.eclipse.swt.events.MouseEvent;
9 import org.eclipse.swt.events.MouseListener;
10 import org.eclipse.swt.graphics.Color;
11 import org.eclipse.swt.graphics.GC;
12 import org.eclipse.swt.graphics.Point;
13 import org.eclipse.swt.widgets.Canvas;
14 import org.eclipse.swt.widgets.Label;
15 import org.eclipse.swt.graphics.Device;
16
17 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImage;
18 import de.mpg.mpiwg.itgroup.digilib.digiImage.DigiImageController;
19 import de.mpg.mpiwg.itgroup.digilib.plugin.editors.DigilibLinkEditorObservable;
20
21 public class RectangleListener implements MouseListener {
22 static int FIRST_CLICK=1;
23 static int SECOND_CLICK=2;
24 static int NO_CLICK=0;
25 int status=NO_CLICK;
26 private Label label;
27 private Point firstPoint;
28 private DigiImageController dc;
29
30
31 private RectangleListener() {
32
33 }
34
35 public RectangleListener(DigiImageController dc,Label label){
36 this.label =label;
37 this.dc=dc;
38 }
39 public void reset(){
40 status=0;
41 }
42 public void mouseDoubleClick(MouseEvent e) {
43 // TODO Auto-generated method stub
44
45 }
46
47 public void mouseDown(MouseEvent e) {
48 // TODO Auto-generated method stub
49
50 }
51
52 public void mouseUp(MouseEvent e) {
53 if (status==NO_CLICK){
54 handleFirstClick(e);
55 } else if (status==FIRST_CLICK){
56 handleSecondClick(e);
57 }
58
59 }
60
61 private void handleSecondClick(MouseEvent e) {
62 //Canvas canvas = new Canvas(label.getParent(),SWT.NO_BACKGROUND);
63
64 GC gc = new GC(label.getImage());
65
66 gc.setForeground(new Color(label.getDisplay(),255,0,0));
67
68 gc.drawRectangle(firstPoint.x, firstPoint.y, e.x-firstPoint.x, e.y-firstPoint.y);
69 gc.dispose();
70 label.redraw();
71 status=SECOND_CLICK;
72 dc.zoomArea(firstPoint.x,firstPoint.y,e.x,e.y);
73 dc.digiImage.getLabel().removeMouseListener(this);
74 DigilibLinkEditorObservable.INSTANCE.setCursorStatus(SWT.CURSOR_ARROW);
75 DigilibLinkEditorObservable.INSTANCE.imageHasChanged(dc.digiImage);
76
77 }
78
79 private void handleFirstClick(MouseEvent e) {
80 //Canvas canvas = new Canvas(label.getParent(),SWT.NO_BACKGROUND);
81
82 GC gc = new GC(label.getImage());
83
84 gc.setForeground(new Color(label.getDisplay(),255,0,0));
85 firstPoint = new Point(e.x,e.y);
86 gc.drawOval(e.x, e.y, 10, 10);
87 gc.dispose();
88 status=FIRST_CLICK;
89 label.redraw();
90 DigilibLinkEditorObservable.INSTANCE.setCursorStatus(SWT.CURSOR_CROSS);
91 }
92
93
94 }