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- /*
- * 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.BasicStroke;
- import java.awt.Component;
- import java.awt.Graphics;
- import java.awt.Stroke;
- import java.text.DateFormat;
- import java.text.SimpleDateFormat;
-
- import javax.swing.JTable;
- import javax.swing.ListSelectionModel;
- import javax.swing.table.AbstractTableModel;
- import javax.swing.table.DefaultTableCellRenderer;
- import javax.swing.table.JTableHeader;
- import javax.swing.table.TableCellRenderer;
- import javax.swing.table.TableColumn;
- import javax.swing.table.TableColumnModel;
- import javax.swing.table.TableModel;
-
- import org.eclipse.jgit.awtui.SwingCommitList.SwingLane;
- import org.eclipse.jgit.lib.PersonIdent;
- import org.eclipse.jgit.revplot.PlotCommit;
- import org.eclipse.jgit.revplot.PlotCommitList;
-
- /**
- * Draws a commit graph in a JTable.
- * <p>
- * This class is currently a very primitive commit visualization tool. It shows
- * a table of 3 columns:
- * <ol>
- * <li>Commit graph and short message</li>
- * <li>Author name and email address</li>
- * <li>Author date and time</li>
- * </ul>
- */
- public class CommitGraphPane extends JTable {
- private static final long serialVersionUID = 1L;
-
- private final SwingCommitList allCommits;
-
- /** Create a new empty panel. */
- public CommitGraphPane() {
- allCommits = new SwingCommitList();
- configureHeader();
- setShowHorizontalLines(false);
- setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
- configureRowHeight();
- }
-
- private void configureRowHeight() {
- int h = 0;
- for (int i = 0; i<getColumnCount(); ++i) {
- TableCellRenderer renderer = getDefaultRenderer(getColumnClass(i));
- Component c = renderer.getTableCellRendererComponent(this, "ÅOj", false, false, 0, i);
- h = Math.max(h, c.getPreferredSize().height);
- }
- setRowHeight(h + getRowMargin());
- }
-
- /**
- * Get the commit list this pane renders from.
- *
- * @return the list the caller must populate.
- */
- public PlotCommitList getCommitList() {
- return allCommits;
- }
-
- @Override
- public void setModel(final TableModel dataModel) {
- if (dataModel != null && !(dataModel instanceof CommitTableModel))
- throw new ClassCastException(UIText.get().mustBeSpecialTableModel);
- super.setModel(dataModel);
- }
-
- @Override
- protected TableModel createDefaultDataModel() {
- return new CommitTableModel();
- }
-
- private void configureHeader() {
- final JTableHeader th = getTableHeader();
- final TableColumnModel cols = th.getColumnModel();
-
- final TableColumn graph = cols.getColumn(0);
- final TableColumn author = cols.getColumn(1);
- final TableColumn date = cols.getColumn(2);
-
- graph.setHeaderValue("");
- author.setHeaderValue(UIText.get().author);
- date.setHeaderValue(UIText.get().date);
-
- graph.setCellRenderer(new GraphCellRender());
- author.setCellRenderer(new NameCellRender());
- date.setCellRenderer(new DateCellRender());
- }
-
- class CommitTableModel extends AbstractTableModel {
- private static final long serialVersionUID = 1L;
-
- PlotCommit<SwingLane> lastCommit;
-
- PersonIdent lastAuthor;
-
- public int getColumnCount() {
- return 3;
- }
-
- public int getRowCount() {
- return allCommits != null ? allCommits.size() : 0;
- }
-
- public Object getValueAt(final int rowIndex, final int columnIndex) {
- final PlotCommit<SwingLane> c = allCommits.get(rowIndex);
- switch (columnIndex) {
- case 0:
- return c;
- case 1:
- return authorFor(c);
- case 2:
- return authorFor(c);
- default:
- return null;
- }
- }
-
- PersonIdent authorFor(final PlotCommit<SwingLane> c) {
- if (c != lastCommit) {
- lastCommit = c;
- lastAuthor = c.getAuthorIdent();
- }
- return lastAuthor;
- }
- }
-
- static class NameCellRender extends DefaultTableCellRenderer {
- private static final long serialVersionUID = 1L;
-
- public Component getTableCellRendererComponent(final JTable table,
- final Object value, final boolean isSelected,
- final boolean hasFocus, final int row, final int column) {
- final PersonIdent pi = (PersonIdent) value;
-
- final String valueStr;
- if (pi != null)
- valueStr = pi.getName() + " <" + pi.getEmailAddress() + ">";
- else
- valueStr = "";
- return super.getTableCellRendererComponent(table, valueStr,
- isSelected, hasFocus, row, column);
- }
- }
-
- static class DateCellRender extends DefaultTableCellRenderer {
- private static final long serialVersionUID = 1L;
-
- private final DateFormat fmt = new SimpleDateFormat(
- "yyyy-MM-dd HH:mm:ss");
-
- public Component getTableCellRendererComponent(final JTable table,
- final Object value, final boolean isSelected,
- final boolean hasFocus, final int row, final int column) {
- final PersonIdent pi = (PersonIdent) value;
-
- final String valueStr;
- if (pi != null)
- valueStr = fmt.format(pi.getWhen());
- else
- valueStr = "";
- return super.getTableCellRendererComponent(table, valueStr,
- isSelected, hasFocus, row, column);
- }
- }
-
- static class GraphCellRender extends DefaultTableCellRenderer {
- private static final long serialVersionUID = 1L;
-
- private final AWTPlotRenderer renderer = new AWTPlotRenderer(this);
-
- PlotCommit<SwingLane> commit;
-
- @SuppressWarnings("unchecked")
- public Component getTableCellRendererComponent(final JTable table,
- final Object value, final boolean isSelected,
- final boolean hasFocus, final int row, final int column) {
- super.getTableCellRendererComponent(table, value, isSelected,
- hasFocus, row, column);
- commit = (PlotCommit<SwingLane>) value;
- return this;
- }
-
- @Override
- protected void paintComponent(final Graphics inputGraphics) {
- if (inputGraphics == null)
- return;
- renderer.paint(inputGraphics, commit);
- }
- }
-
- static final Stroke[] strokeCache;
-
- static {
- strokeCache = new Stroke[4];
- for (int i = 1; i < strokeCache.length; i++)
- strokeCache[i] = new BasicStroke(i);
- }
-
- static Stroke stroke(final int width) {
- if (width < strokeCache.length)
- return strokeCache[width];
- return new BasicStroke(width);
- }
-
- }
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