source: osm/applications/editors/josm/plugins/imagery_offset_db/src/iodb/OffsetDialogButton.java@ 29382

Last change on this file since 29382 was 29382, checked in by zverik, 11 years ago

iodb updates
File size: 6.1 KB
Line 
1package iodb;
2
3import java.awt.*;
4import javax.swing.Icon;
5import javax.swing.ImageIcon;
6import javax.swing.JButton;
7import org.openstreetmap.josm.gui.layer.ImageryLayer;
8import org.openstreetmap.josm.tools.ImageProvider;
9
10/**
11 * A button which shows offset information.
12 *
13 * @author zverik
14 */
15public class OffsetDialogButton extends JButton {
16
17 private ImageryOffsetBase offset;
18 private double offsetLength;
19 private double distance;
20 private double direction;
21
22 public OffsetDialogButton( ImageryOffsetBase offset ) {
23 super();
24 this.offset = offset;
25// setMinimumSize(new Dimension(500, 10));
26// setMaximumSize(new Dimension(500, 150));
27 setRelevantText();
28 setIcon(new OffsetIcon(offset));
29
30 offsetLength = offset instanceof ImageryOffset ? getLengthAndDirection((ImageryOffset)offset)[0] : 0.0;
31 // todo: layout, info, map distance and direction
32 // http://stackoverflow.com/questions/1048224/get-height-of-multi-line-text-with-fixed-width-to-make-dialog-resize-properly
33 // http://docs.oracle.com/javase/tutorial/uiswing/layout/box.html#size
34 // http://stackoverflow.com/questions/8012646/setting-size-of-jbutton-inside-jpanel-with-boxlayout-doesnt-work-as-expected
35 // http://blog.nobel-joergensen.com/2009/01/18/changing-preferred-size-of-a-html-jlabel/
36 // http://thebadprogrammer.com/swing-layout-manager-sizing/
37 // http://stackoverflow.com/questions/3692987/why-will-boxlayout-not-allow-me-to-change-the-width-of-a-jbutton-but-let-me-chan
38
39 // http://stackoverflow.com/questions/2158/creating-a-custom-button-in-java
40 }
41
42 /**
43 * Update text on the button. This method is to be deleted by release.
44 */
45 public void setRelevantText() {
46 setText("<html><div style=\"width: 400px;\">"
47 + ImageryOffsetTools.formatDistance(offset.getPosition().greatCircleDistance(ImageryOffsetTools.getMapCenter()))
48 + ": " + offset.getDescription() + "</div></html>");
49 }
50
51 public ImageryOffsetBase getOffset() {
52 return offset;
53 }
54
55/* @Override
56 public Dimension getPreferredSize() {
57 Dimension size = super.getPreferredSize();
58 size.width = 500;
59 size.height = 70;
60 return size;
61 }*/
62
63 /**
64 * Update arrow for the offset location.
65 */
66 public void updateLocation() {
67 // map was moved, update arrow.
68 setRelevantText();
69 }
70
71 private double[] getLengthAndDirection( ImageryOffset offset ) {
72 ImageryLayer layer = ImageryOffsetTools.getTopImageryLayer();
73 double[] dxy = layer == null ? new double[] {0.0, 0.0} : new double[] {layer.getDx(), layer.getDy()};
74 return ImageryOffsetTools.getLengthAndDirection((ImageryOffset)offset, dxy[0], dxy[1]);
75 }
76
77 class OffsetIcon implements Icon {
78 private boolean isDeprecated;
79 private boolean isCalibration;
80 private double direction = -1.0;
81 private double length;
82 private ImageIcon background;
83
84 public OffsetIcon( ImageryOffsetBase offset ) {
85 isDeprecated = offset.isDeprecated();
86 isCalibration = offset instanceof CalibrationObject;
87 if( offset instanceof ImageryOffset ) {
88 background = ImageProvider.get("offset");
89 ImageryLayer layer = ImageryOffsetTools.getTopImageryLayer();
90 double[] dxy = layer == null ? new double[] {0.0, 0.0} : new double[] { layer.getDx(), layer.getDy() };
91 double[] ld = ImageryOffsetTools.getLengthAndDirection((ImageryOffset)offset, dxy[0], dxy[1]);
92 length = ld[0];
93 direction = ld[1];
94 } else {
95 background = ImageProvider.get("calibration");
96 }
97 }
98
99 public void paintIcon( Component comp, Graphics g, int x, int y ) {
100 background.paintIcon(comp, g, x, y);
101
102 Graphics2D g2 = (Graphics2D)g.create();
103 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
104 if( direction >= 0 ) {
105 g2.setColor(Color.black);
106 Point c = new Point(x + getIconWidth() / 2, y + getIconHeight() / 2);
107 if( length < 1e-2 ) {
108 // no offset
109 g2.fillOval(c.x - 3, c.y - 3, 7, 7);
110 } else {
111 // draw an arrow
112 double arrowLength = length < 5 ? getIconWidth() / 2 - 1 : getIconWidth() - 4;
113 g2.setStroke(new BasicStroke(2));
114 int dx = (int)Math.round(Math.sin(direction) * arrowLength / 2);
115 int dy = (int)Math.round(Math.cos(direction) * arrowLength / 2);
116 g2.drawLine(c.x - dx, c.y - dy, c.x + dx, c.y + dy);
117 double wingLength = arrowLength / 3;
118 double d1 = direction - Math.PI / 6;
119 int dx1 = (int)Math.round(Math.sin(d1) * wingLength);
120 int dy1 = (int)Math.round(Math.cos(d1) * wingLength);
121 g2.drawLine(c.x + dx, c.y + dy, c.x + dx - dx1, c.y + dy - dy1);
122 double d2 = direction + Math.PI / 6;
123 int dx2 = (int)Math.round(Math.sin(d2) * wingLength);
124 int dy2 = (int)Math.round(Math.cos(d2) * wingLength);
125 g2.drawLine(c.x + dx, c.y + dy, c.x + dx - dx2, c.y + dy - dy2);
126 }
127 }
128 if( isDeprecated ) {
129 // big red X
130 g2.setColor(Color.red);
131 g2.setStroke(new BasicStroke(5, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
132 g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f));
133 g2.drawLine(x + 2, y + 2, x + getIconWidth() - 2, y + getIconHeight() - 2);
134 g2.drawLine(x + 2, y + getIconHeight() - 2, x + getIconWidth() - 2, y + 2);
135 }
136 }
137
138 public int getIconWidth() {
139 return background.getIconWidth();
140 }
141
142 public int getIconHeight() {
143 return background.getIconHeight();
144 }
145 }
146}
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