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/*******************************************************************************
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.egit.ui.internal.history;
import java.util.ArrayList;
import java.util.LinkedList;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jgit.revplot.PlotCommitList;
import org.eclipse.jgit.revplot.PlotLane;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Control;
class SWTCommitList extends PlotCommitList<SWTCommitList.SWTLane> implements DisposeListener {
private static final RGB[] COMMIT_RGB = new RGB[] { new RGB(133, 166, 214),
new RGB(221, 205, 93), new RGB(199, 134, 57),
new RGB(131, 150, 98), new RGB(197, 123, 127),
new RGB(139, 136, 140), new RGB(48, 135, 144),
new RGB(190, 93, 66), new RGB(143, 163, 54), new RGB(180, 148, 74),
new RGB(101, 101, 217), new RGB(72, 153, 119),
new RGB(23, 101, 160), new RGB(132, 164, 118),
new RGB(255, 230, 59), new RGB(136, 176, 70), new RGB(255, 138, 1),
new RGB(123, 187, 95), new RGB(233, 88, 98), new RGB(93, 158, 254),
new RGB(175, 215, 0), new RGB(140, 134, 142),
new RGB(232, 168, 21), new RGB(0, 172, 191), new RGB(251, 58, 4),
new RGB(63, 64, 255), new RGB(27, 194, 130), new RGB(0, 104, 183) };
private final ArrayList<Color> allColors;
private final LinkedList<Color> availableColors;
private final Control control;
SWTCommitList(final Control control, final ResourceManager resources) {
this.control = control;
allColors = new ArrayList<>(COMMIT_RGB.length);
for (RGB rgb : COMMIT_RGB)
allColors.add(resources.createColor(rgb));
availableColors = new LinkedList<>();
repackColors();
control.addDisposeListener(this);
}
public void dispose() {
Job clearJob = new Job("Clearing commit list") { //$NON-NLS-1$
@Override
protected IStatus run(IProgressMonitor monitor) {
synchronized (SWTCommitList.this) {
clear();
}
return Status.OK_STATUS;
}
};
clearJob.setSystem(true);
clearJob.schedule();
if (!control.isDisposed())
control.removeDisposeListener(this);
}
private void repackColors() {
availableColors.addAll(allColors);
}
@Override
protected SWTLane createLane() {
if (availableColors.isEmpty())
repackColors();
return new SWTLane(availableColors.removeFirst());
}
@Override
protected void recycleLane(final SWTLane lane) {
availableColors.add(lane.color);
}
@Override
public void widgetDisposed(DisposeEvent e) {
dispose();
}
static class SWTLane extends PlotLane {
private static final long serialVersionUID = 1L;
final Color color;
public SWTLane(final Color color) {
this.color = color;
}
}
}
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