1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46 package org.eclipse.jgit.awtui;
47
48 import java.awt.Color;
49 import java.awt.Graphics;
50 import java.awt.Graphics2D;
51 import java.awt.Polygon;
52 import java.io.Serializable;
53
54 import org.eclipse.jgit.awtui.CommitGraphPane.GraphCellRender;
55 import org.eclipse.jgit.awtui.SwingCommitList.SwingLane;
56 import org.eclipse.jgit.lib.Constants;
57 import org.eclipse.jgit.lib.Ref;
58 import org.eclipse.jgit.revplot.AbstractPlotRenderer;
59 import org.eclipse.jgit.revplot.PlotCommit;
60
61 final class AWTPlotRenderer extends AbstractPlotRenderer<SwingLane, Color>
62 implements Serializable {
63 private static final long serialVersionUID = 1L;
64
65 final GraphCellRender cell;
66
67 transient Graphics2D g;
68
69 AWTPlotRenderer(final GraphCellRender c) {
70 cell = c;
71 }
72
73 void paint(final Graphics in, final PlotCommit<SwingLane> commit) {
74 g = (Graphics2D) in.create();
75 try {
76 final int h = cell.getHeight();
77 g.setColor(cell.getBackground());
78 g.fillRect(0, 0, cell.getWidth(), h);
79 if (commit != null)
80 paintCommit(commit, h);
81 } finally {
82 g.dispose();
83 g = null;
84 }
85 }
86
87 @Override
88 protected void drawLine(final Color color, int x1, int y1, int x2,
89 int y2, int width) {
90 if (y1 == y2) {
91 x1 -= width / 2;
92 x2 -= width / 2;
93 } else if (x1 == x2) {
94 y1 -= width / 2;
95 y2 -= width / 2;
96 }
97
98 g.setColor(color);
99 g.setStroke(CommitGraphPane.stroke(width));
100 g.drawLine(x1, y1, x2, y2);
101 }
102
103 @Override
104 protected void drawCommitDot(final int x, final int y, final int w,
105 final int h) {
106 g.setColor(Color.blue);
107 g.setStroke(CommitGraphPane.strokeCache[1]);
108 g.fillOval(x, y, w, h);
109 g.setColor(Color.black);
110 g.drawOval(x, y, w, h);
111 }
112
113 @Override
114 protected void drawBoundaryDot(final int x, final int y, final int w,
115 final int h) {
116 g.setColor(cell.getBackground());
117 g.setStroke(CommitGraphPane.strokeCache[1]);
118 g.fillOval(x, y, w, h);
119 g.setColor(Color.black);
120 g.drawOval(x, y, w, h);
121 }
122
123 @Override
124 protected void drawText(final String msg, final int x, final int y) {
125 final int texth = g.getFontMetrics().getHeight();
126 final int y0 = (y - texth) / 2 + (cell.getHeight() - texth) / 2;
127 g.setColor(cell.getForeground());
128 g.drawString(msg, x, y0 + texth - g.getFontMetrics().getDescent());
129 }
130
131 @Override
132 protected Color laneColor(final SwingLane myLane) {
133 return myLane != null ? myLane.color : Color.black;
134 }
135
136 void paintTriangleDown(final int cx, final int y, final int h) {
137 final int tipX = cx;
138 final int tipY = y + h;
139 final int baseX1 = cx - 10 / 2;
140 final int baseX2 = tipX + 10 / 2;
141 final int baseY = y;
142 final Polygon triangle = new Polygon();
143 triangle.addPoint(tipX, tipY);
144 triangle.addPoint(baseX1, baseY);
145 triangle.addPoint(baseX2, baseY);
146 g.fillPolygon(triangle);
147 g.drawPolygon(triangle);
148 }
149
150 @Override
151 protected int drawLabel(int x, int y, Ref ref) {
152 String txt;
153 String name = ref.getName();
154 if (name.startsWith(Constants.R_HEADS)) {
155 g.setBackground(Color.GREEN);
156 txt = name.substring(Constants.R_HEADS.length());
157 } else if (name.startsWith(Constants.R_REMOTES)){
158 g.setBackground(Color.LIGHT_GRAY);
159 txt = name.substring(Constants.R_REMOTES.length());
160 } else if (name.startsWith(Constants.R_TAGS)){
161 g.setBackground(Color.YELLOW);
162 txt = name.substring(Constants.R_TAGS.length());
163 } else {
164
165 g.setBackground(Color.WHITE);
166 if (name.startsWith(Constants.R_REFS))
167 txt = name.substring(Constants.R_REFS.length());
168 else
169 txt = name;
170 }
171 if (ref.getPeeledObjectId() != null) {
172 float[] colorComponents = g.getBackground().getRGBColorComponents(null);
173 colorComponents[0] *= 0.9f;
174 colorComponents[1] *= 0.9f;
175 colorComponents[2] *= 0.9f;
176 g.setBackground(new Color(colorComponents[0],colorComponents[1],colorComponents[2]));
177 }
178 if (txt.length() > 12)
179 txt = txt.substring(0,11) + "\u2026";
180
181 final int texth = g.getFontMetrics().getHeight();
182 int textw = g.getFontMetrics().stringWidth(txt);
183 g.setColor(g.getBackground());
184 int arcHeight = texth/4;
185 int y0 = y - texth/2 + (cell.getHeight() - texth)/2;
186 g.fillRoundRect(x , y0, textw + arcHeight*2, texth -1, arcHeight, arcHeight);
187 g.setColor(g.getColor().darker());
188 g.drawRoundRect(x, y0, textw + arcHeight*2, texth -1 , arcHeight, arcHeight);
189 g.setColor(Color.BLACK);
190 g.drawString(txt, x + arcHeight, y0 + texth - g.getFontMetrics().getDescent());
191
192 return arcHeight * 3 + textw;
193 }
194 }