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AWTPlotRenderer.java 6.4KB

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  1. /*
  2. * Copyright (C) 2010, Google Inc.
  3. * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
  4. * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
  5. * and other copyright owners as documented in the project's IP log.
  6. *
  7. * This program and the accompanying materials are made available
  8. * under the terms of the Eclipse Distribution License v1.0 which
  9. * accompanies this distribution, is reproduced below, and is
  10. * available at http://www.eclipse.org/org/documents/edl-v10.php
  11. *
  12. * All rights reserved.
  13. *
  14. * Redistribution and use in source and binary forms, with or
  15. * without modification, are permitted provided that the following
  16. * conditions are met:
  17. *
  18. * - Redistributions of source code must retain the above copyright
  19. * notice, this list of conditions and the following disclaimer.
  20. *
  21. * - Redistributions in binary form must reproduce the above
  22. * copyright notice, this list of conditions and the following
  23. * disclaimer in the documentation and/or other materials provided
  24. * with the distribution.
  25. *
  26. * - Neither the name of the Eclipse Foundation, Inc. nor the
  27. * names of its contributors may be used to endorse or promote
  28. * products derived from this software without specific prior
  29. * written permission.
  30. *
  31. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  32. * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  33. * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  34. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  35. * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  36. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  37. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  38. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  39. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  40. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  41. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  42. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  43. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44. */
  45. package org.eclipse.jgit.awtui;
  46. import java.awt.Color;
  47. import java.awt.Graphics;
  48. import java.awt.Graphics2D;
  49. import java.awt.Polygon;
  50. import java.io.Serializable;
  51. import org.eclipse.jgit.awtui.CommitGraphPane.GraphCellRender;
  52. import org.eclipse.jgit.awtui.SwingCommitList.SwingLane;
  53. import org.eclipse.jgit.lib.Constants;
  54. import org.eclipse.jgit.lib.Ref;
  55. import org.eclipse.jgit.revplot.AbstractPlotRenderer;
  56. import org.eclipse.jgit.revplot.PlotCommit;
  57. final class AWTPlotRenderer extends AbstractPlotRenderer<SwingLane, Color>
  58. implements Serializable {
  59. private static final long serialVersionUID = 1L;
  60. final GraphCellRender cell;
  61. transient Graphics2D g;
  62. AWTPlotRenderer(GraphCellRender c) {
  63. cell = c;
  64. }
  65. void paint(Graphics in, PlotCommit<SwingLane> commit) {
  66. g = (Graphics2D) in.create();
  67. try {
  68. final int h = cell.getHeight();
  69. g.setColor(cell.getBackground());
  70. g.fillRect(0, 0, cell.getWidth(), h);
  71. if (commit != null)
  72. paintCommit(commit, h);
  73. } finally {
  74. g.dispose();
  75. g = null;
  76. }
  77. }
  78. /** {@inheritDoc} */
  79. @Override
  80. protected void drawLine(final Color color, int x1, int y1, int x2,
  81. int y2, int width) {
  82. if (y1 == y2) {
  83. x1 -= width / 2;
  84. x2 -= width / 2;
  85. } else if (x1 == x2) {
  86. y1 -= width / 2;
  87. y2 -= width / 2;
  88. }
  89. g.setColor(color);
  90. g.setStroke(CommitGraphPane.stroke(width));
  91. g.drawLine(x1, y1, x2, y2);
  92. }
  93. /** {@inheritDoc} */
  94. @Override
  95. protected void drawCommitDot(final int x, final int y, final int w,
  96. final int h) {
  97. g.setColor(Color.blue);
  98. g.setStroke(CommitGraphPane.strokeCache[1]);
  99. g.fillOval(x, y, w, h);
  100. g.setColor(Color.black);
  101. g.drawOval(x, y, w, h);
  102. }
  103. /** {@inheritDoc} */
  104. @Override
  105. protected void drawBoundaryDot(final int x, final int y, final int w,
  106. final int h) {
  107. g.setColor(cell.getBackground());
  108. g.setStroke(CommitGraphPane.strokeCache[1]);
  109. g.fillOval(x, y, w, h);
  110. g.setColor(Color.black);
  111. g.drawOval(x, y, w, h);
  112. }
  113. /** {@inheritDoc} */
  114. @Override
  115. protected void drawText(String msg, int x, int y) {
  116. final int texth = g.getFontMetrics().getHeight();
  117. final int y0 = (y - texth) / 2 + (cell.getHeight() - texth) / 2;
  118. g.setColor(cell.getForeground());
  119. g.drawString(msg, x, y0 + texth - g.getFontMetrics().getDescent());
  120. }
  121. /** {@inheritDoc} */
  122. @Override
  123. protected Color laneColor(SwingLane myLane) {
  124. return myLane != null ? myLane.color : Color.black;
  125. }
  126. void paintTriangleDown(int cx, int y, int h) {
  127. final int tipX = cx;
  128. final int tipY = y + h;
  129. final int baseX1 = cx - 10 / 2;
  130. final int baseX2 = tipX + 10 / 2;
  131. final int baseY = y;
  132. final Polygon triangle = new Polygon();
  133. triangle.addPoint(tipX, tipY);
  134. triangle.addPoint(baseX1, baseY);
  135. triangle.addPoint(baseX2, baseY);
  136. g.fillPolygon(triangle);
  137. g.drawPolygon(triangle);
  138. }
  139. /** {@inheritDoc} */
  140. @Override
  141. protected int drawLabel(int x, int y, Ref ref) {
  142. String txt;
  143. String name = ref.getName();
  144. if (name.startsWith(Constants.R_HEADS)) {
  145. g.setBackground(Color.GREEN);
  146. txt = name.substring(Constants.R_HEADS.length());
  147. } else if (name.startsWith(Constants.R_REMOTES)){
  148. g.setBackground(Color.LIGHT_GRAY);
  149. txt = name.substring(Constants.R_REMOTES.length());
  150. } else if (name.startsWith(Constants.R_TAGS)){
  151. g.setBackground(Color.YELLOW);
  152. txt = name.substring(Constants.R_TAGS.length());
  153. } else {
  154. // Whatever this would be
  155. g.setBackground(Color.WHITE);
  156. if (name.startsWith(Constants.R_REFS))
  157. txt = name.substring(Constants.R_REFS.length());
  158. else
  159. txt = name; // HEAD and such
  160. }
  161. if (ref.getPeeledObjectId() != null) {
  162. float[] colorComponents = g.getBackground().getRGBColorComponents(null);
  163. colorComponents[0] *= 0.9f;
  164. colorComponents[1] *= 0.9f;
  165. colorComponents[2] *= 0.9f;
  166. g.setBackground(new Color(colorComponents[0],colorComponents[1],colorComponents[2]));
  167. }
  168. if (txt.length() > 12)
  169. txt = txt.substring(0,11) + "\u2026"; // ellipsis "…" (in UTF-8) //$NON-NLS-1$
  170. final int texth = g.getFontMetrics().getHeight();
  171. int textw = g.getFontMetrics().stringWidth(txt);
  172. g.setColor(g.getBackground());
  173. int arcHeight = texth/4;
  174. int y0 = y - texth/2 + (cell.getHeight() - texth)/2;
  175. g.fillRoundRect(x , y0, textw + arcHeight*2, texth -1, arcHeight, arcHeight);
  176. g.setColor(g.getColor().darker());
  177. g.drawRoundRect(x, y0, textw + arcHeight*2, texth -1 , arcHeight, arcHeight);
  178. g.setColor(Color.BLACK);
  179. g.drawString(txt, x + arcHeight, y0 + texth - g.getFontMetrics().getDescent());
  180. return arcHeight * 3 + textw;
  181. }
  182. }