/*
* Copyright (C) 2010, Google Inc.
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.awtui;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Polygon;
import java.io.Serializable;
import org.eclipse.jgit.awtui.CommitGraphPane.GraphCellRender;
import org.eclipse.jgit.awtui.SwingCommitList.SwingLane;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revplot.AbstractPlotRenderer;
import org.eclipse.jgit.revplot.PlotCommit;
final class AWTPlotRenderer extends AbstractPlotRenderer<SwingLane, Color>
implements Serializable {
private static final long serialVersionUID = 1L;
final GraphCellRender cell;
transient Graphics2D g;
AWTPlotRenderer(final GraphCellRender c) {
cell = c;
}
void paint(final Graphics in, final PlotCommit<SwingLane> commit) {
g = (Graphics2D) in.create();
try {
final int h = cell.getHeight();
g.setColor(cell.getBackground());
g.fillRect(0, 0, cell.getWidth(), h);
if (commit != null)
paintCommit(commit, h);
} finally {
g.dispose();
g = null;
}
}
@Override
protected void drawLine(final Color color, int x1, int y1, int x2,
int y2, int width) {
if (y1 == y2) {
x1 -= width / 2;
x2 -= width / 2;
} else if (x1 == x2) {
y1 -= width / 2;
y2 -= width / 2;
}
g.setColor(color);
g.setStroke(CommitGraphPane.stroke(width));
g.drawLine(x1, y1, x2, y2);
}
@Override
protected void drawCommitDot(final int x, final int y, final int w,
final int h) {
g.setColor(Color.blue);
g.setStroke(CommitGraphPane.strokeCache[1]);
g.fillOval(x, y, w, h);
g.setColor(Color.black);
g.drawOval(x, y, w, h);
}
@Override
protected void drawBoundaryDot(final int x, final int y, final int w,
final int h) {
g.setColor(cell.getBackground());
g.setStroke(CommitGraphPane.strokeCache[1]);
g.fillOval(x, y, w, h);
g.setColor(Color.black);
g.drawOval(x, y, w, h);
}
@Override
protected void drawText(final String msg, final int x, final int y) {
final int texth = g.getFontMetrics().getHeight();
final int y0 = (y - texth) / 2 + (cell.getHeight() - texth) / 2;
g.setColor(cell.getForeground());
g.drawString(msg, x, y0 + texth - g.getFontMetrics().getDescent());
}
@Override
protected Color laneColor(final SwingLane myLane) {
return myLane != null ? myLane.color : Color.black;
}
void paintTriangleDown(final int cx, final int y, final int h) {
final int tipX = cx;
final int tipY = y + h;
final int baseX1 = cx - 10 / 2;
final int baseX2 = tipX + 10 / 2;
final int baseY = y;
final Polygon triangle = new Polygon();
triangle.addPoint(tipX, tipY);
triangle.addPoint(baseX1, baseY);
triangle.addPoint(baseX2, baseY);
g.fillPolygon(triangle);
g.drawPolygon(triangle);
}
@Override
protected int drawLabel(int x, int y, Ref ref) {
String txt;
String name = ref.getName();
if (name.startsWith(Constants.R_HEADS)) {
g.setBackground(Color.GREEN);
txt = name.substring(Constants.R_HEADS.length());
} else if (name.startsWith(Constants.R_REMOTES)){
g.setBackground(Color.LIGHT_GRAY);
txt = name.substring(Constants.R_REMOTES.length());
} else if (name.startsWith(Constants.R_TAGS)){
g.setBackground(Color.YELLOW);
txt = name.substring(Constants.R_TAGS.length());
} else {
// Whatever this would be
g.setBackground(Color.WHITE);
if (name.startsWith(Constants.R_REFS))
txt = name.substring(Constants.R_REFS.length());
else
txt = name; // HEAD and such
}
if (ref.getPeeledObjectId() != null) {
float[] colorComponents = g.getBackground().getRGBColorComponents(null);
colorComponents[0] *= 0.9f;
colorComponents[1] *= 0.9f;
colorComponents[2] *= 0.9f;
g.setBackground(new Color(colorComponents[0],colorComponents[1],colorComponents[2]));
}
if (txt.length() > 12)
txt = txt.substring(0,11) + "\u2026"; // ellipsis "…" (in UTF-8) //$NON-NLS-1$
final int texth = g.getFontMetrics().getHeight();
int textw = g.getFontMetrics().stringWidth(txt);
g.setColor(g.getBackground());
int arcHeight = texth/4;
int y0 = y - texth/2 + (cell.getHeight() - texth)/2;
g.fillRoundRect(x , y0, textw + arcHeight*2, texth -1, arcHeight, arcHeight);
g.setColor(g.getColor().darker());
g.drawRoundRect(x, y0, textw + arcHeight*2, texth -1 , arcHeight, arcHeight);
g.setColor(Color.BLACK);
g.drawString(txt, x + arcHeight, y0 + texth - g.getFontMetrics().getDescent());
return arcHeight * 3 + textw;
}
}