1
28 package demo.view.isometry;
29
30 import y.base.Node;
31 import y.view.DefaultLabelConfiguration;
32 import y.view.Graph2D;
33 import y.view.NodeLabel;
34 import y.view.NodeRealizer;
35 import y.view.YLabel;
36
37 import java.awt.Color;
38 import java.awt.Font;
39 import java.awt.Graphics2D;
40 import java.awt.Insets;
41 import java.awt.font.TextLayout;
42 import java.awt.geom.AffineTransform;
43 import java.awt.geom.Rectangle2D;
44
45
48 public class GroupLabelConfiguration extends DefaultLabelConfiguration {
49
50
54 public void paintBox(YLabel label, Graphics2D gfx, double x, double y, double width, double height) {
55 final AffineTransform oldTransform = gfx.getTransform();
57 final Color oldColor = gfx.getColor();
58
59 final double[] corners = new double[16];
61 final Node group = ((NodeLabel) label).getNode();
62 final NodeRealizer realizer = ((Graph2D) group.getGraph()).getRealizer(group);
63 final IsometryData isometryData = IsometryRealizerFactory.getIsometryData(realizer);
64 isometryData.calculateCorners(corners);
65 IsometryData.moveTo(realizer.getX(), realizer.getY(), corners);
66
67 final double anchorX = corners[IsometryData.C3_X];
70 final double anchorY = corners[IsometryData.C3_Y];
71
72 gfx.translate(anchorX, anchorY);
74 gfx.transform(
75 new AffineTransform(
76 new double[]{
77 IsometryData.M_TO_VIEW_11,
78 IsometryData.M_TO_VIEW_21,
79 IsometryData.M_TO_VIEW_12,
80 IsometryData.M_TO_VIEW_22}));
81 gfx.translate(-anchorX, -anchorY);
82
83 final Rectangle2D.Double rect = new Rectangle2D.Double(
85 anchorX,
86 anchorY - height,
87 isometryData.getWidth(),
88 height);
89
90 gfx.setColor(label.getBackgroundColor());
92 gfx.fill(rect);
93 gfx.setColor(label.getLineColor());
94 gfx.draw(rect);
95
96 gfx.setTransform(oldTransform);
98 gfx.setColor(oldColor);
99 }
100
101
104 public void paintContent(YLabel label, Graphics2D gfx, double x, double y, double width, double height) {
105 final AffineTransform oldTransform = gfx.getTransform();
107 final Font oldFont = gfx.getFont();
108 final Color oldColor = gfx.getColor();
109
110 final double[] corners = new double[16];
112 final Node group = ((NodeLabel) label).getNode();
113 final NodeRealizer realizer = ((Graph2D) group.getGraph()).getRealizer(group);
114 final IsometryData isometryData = IsometryRealizerFactory.getIsometryData(realizer);
115 isometryData.calculateCorners(corners);
116 IsometryData.moveTo(realizer.getX(), realizer.getY(), corners);
117
118 final double anchorX = corners[IsometryData.C3_X];
121 final double anchorY = corners[IsometryData.C3_Y];
122
123 gfx.translate(anchorX, anchorY);
125 gfx.transform(new AffineTransform(
126 new double[]{
127 IsometryData.M_TO_VIEW_11,
128 IsometryData.M_TO_VIEW_21,
129 IsometryData.M_TO_VIEW_12,
130 IsometryData.M_TO_VIEW_22}));
131 gfx.translate(-anchorX, -anchorY);
132
133 if (label.getTextColor() != null && !"".equals(label.getText())) {
136 gfx.setFont(label.getFont());
137 gfx.setColor(label.getTextColor());
138 final Insets insets = label.getInsets() == null ? YLabel.defaultInsets : label.getInsets();
139 final float descent = new TextLayout(label.getText(), label.getFont(), gfx.getFontRenderContext()).getDescent();
140 gfx.drawString(label.getText(), (float) (anchorX + isometryData.getWidth() - label.getContentWidth() - insets.right), (float) anchorY - insets.bottom - descent);
141 }
142
143 gfx.setTransform(oldTransform);
145 gfx.setFont(oldFont);
146 gfx.setColor(oldColor);
147 }
148 }
149