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