org.spearce.jgit/src/org/spearce/jgit/pgm/Glog.java

   1 /*
   2  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   3  *
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or
   7  * without modification, are permitted provided that the following
   8  * conditions are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright
  11  *   notice, this list of conditions and the following disclaimer.
  12  *
  13  * - Redistributions in binary form must reproduce the above
  14  *   copyright notice, this list of conditions and the following
  15  *   disclaimer in the documentation and/or other materials provided
  16  *   with the distribution.
  17  *
  18  * - Neither the name of the Git Development Community nor the
  19  *   names of its contributors may be used to endorse or promote
  20  *   products derived from this software without specific prior
  21  *   written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  24  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  25  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  28  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  31  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  32  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  33  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 package org.spearce.jgit.pgm;
  39
  40 import java.awt.BorderLayout;
  41 import java.awt.FlowLayout;
  42 import java.awt.event.ActionEvent;
  43 import java.awt.event.ActionListener;
  44 import java.awt.event.WindowAdapter;
  45 import java.awt.event.WindowEvent;
  46 import java.io.File;
  47
  48 import javax.swing.JButton;
  49 import javax.swing.JFrame;
  50 import javax.swing.JPanel;
  51 import javax.swing.JScrollPane;
  52
  53 import org.spearce.jgit.awtui.CommitGraphPane;
  54 import org.spearce.jgit.revplot.PlotWalk;
  55 import org.spearce.jgit.revwalk.RevCommit;
  56 import org.spearce.jgit.revwalk.RevSort;
  57 import org.spearce.jgit.revwalk.RevWalk;
  58
  59 class Glog extends RevWalkTextBuiltin {
  60         final JFrame frame;
  61
  62         final CommitGraphPane graphPane;
  63
  64         Glog() {
  65                 frame = new JFrame();
  66                 frame.addWindowListener(new WindowAdapter() {
  67                         @Override
  68                         public void windowClosing(final WindowEvent e) {
  69                                 frame.dispose();
  70                         }
  71                 });
  72
  73                 graphPane = new CommitGraphPane();
  74
  75                 final JScrollPane graphScroll = new JScrollPane(graphPane);
  76
  77                 final JPanel buttons = new JPanel(new FlowLayout());
  78                 final JButton repaint = new JButton();
  79                 repaint.setText("Repaint");
  80                 repaint.addActionListener(new ActionListener() {
  81                         public void actionPerformed(ActionEvent e) {
  82                                 graphPane.repaint();
  83                         }
  84                 });
  85                 buttons.add(repaint);
  86
  87                 final JPanel world = new JPanel(new BorderLayout());
  88                 world.add(buttons, BorderLayout.SOUTH);
  89                 world.add(graphScroll, BorderLayout.CENTER);
  90
  91                 frame.getContentPane().add(world);
  92         }
  93
  94         @Override
  95         protected int walkLoop() throws Exception {
  96                 graphPane.getCommitList().source(walk);
  97                 graphPane.getCommitList().fillTo(Integer.MAX_VALUE);
  98
  99                 frame.setTitle("[" + repoName() + "]");
 100                 frame.pack();
 101                 frame.setVisible(true);
 102                 return graphPane.getCommitList().size();
 103         }
 104
 105         @Override
 106         protected void show(final RevCommit c) throws Exception {
 107                 throw new UnsupportedOperationException();
 108         }
 109
 110         @Override
 111         protected RevWalk createWalk() {
 112                 if (objects)
 113                         throw new Die("Cannot use --objects with glog");
 114                 final PlotWalk w = new PlotWalk(db);
 115                 w.sort(RevSort.BOUNDARY, true);
 116                 return w;
 117         }
 118
 119         private String repoName() {
 120                 final File f = db.getDirectory();
 121                 String n = f.getName();
 122                 if (".git".equals(n))
 123                         n = f.getParentFile().getName();
 124                 return n;
 125         }
 126 }