Java tutorial
/******************************************************************************* * Copyright (c) 2005-2008 Polarion Software. * 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 * * Contributors: * Igor Burilo - Initial API and implementation *******************************************************************************/ package org.eclipse.team.svn.revision.graph.graphic.figure; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.eclipse.draw2d.ColorConstants; import org.eclipse.draw2d.Figure; import org.eclipse.draw2d.Graphics; import org.eclipse.draw2d.GridData; import org.eclipse.draw2d.GridLayout; import org.eclipse.draw2d.Label; import org.eclipse.draw2d.LineBorder; import org.eclipse.draw2d.PositionConstants; import org.eclipse.draw2d.ToolbarLayout; import org.eclipse.draw2d.geometry.Rectangle; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.team.svn.core.SVNMessages; import org.eclipse.team.svn.revision.graph.SVNRevisionGraphMessages; import org.eclipse.team.svn.revision.graph.SVNRevisionGraphPlugin; import org.eclipse.team.svn.revision.graph.graphic.RevisionNode; import org.eclipse.team.svn.ui.utility.DateFormatter; /** * Tooltip for revision node * * @author Igor Burilo */ public class RevisionTooltipFigure extends Figure { public final static Image COMMENT_IMAGE; protected final RevisionNode revisionNode; protected Label pathText; protected Label authorText; protected Label dateText; protected Label copyText; protected Label incomingMergeText; protected Label outgoingMergeText; protected Label commentText; static { COMMENT_IMAGE = SVNRevisionGraphPlugin.instance().getImageDescriptor("icons/comment.gif").createImage(); //$NON-NLS-1$ SVNRevisionGraphPlugin.disposeOnShutdown(COMMENT_IMAGE); } public RevisionTooltipFigure(RevisionNode revisionNode) { this.revisionNode = revisionNode; this.createControls(); this.initControls(); this.setBorder(new LineBorder(ColorConstants.white)); } protected void createControls() { ToolbarLayout parentLayout = new ToolbarLayout(); this.setLayoutManager(parentLayout); Font boldFont = JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT); Figure parent = new Figure(); this.add(parent); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.verticalSpacing = 0; parent.setLayoutManager(layout); this.pathText = new Label(); parent.add(this.pathText); GridData data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(this.pathText, data); this.pathText.setFont(boldFont); final int blankSpacing = 5; Figure blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = blankSpacing; layout.setConstraint(blankFigure, data); parent.add(blankFigure); //author Label authorLabel = new Label(SVNRevisionGraphMessages.RevisionTooltipFigure_Author); parent.add(authorLabel); data = new GridData(); layout.setConstraint(authorLabel, data); authorLabel.setFont(boldFont); this.authorText = new Label(); parent.add(this.authorText); layout.setConstraint(this.authorText, new GridData()); //date Label dateLabel = new Label(SVNRevisionGraphMessages.RevisionTooltipFigure_Date); parent.add(dateLabel); data = new GridData(); layout.setConstraint(dateLabel, data); dateLabel.setFont(boldFont); this.dateText = new Label(); parent.add(this.dateText); layout.setConstraint(this.dateText, new GridData()); //copied from if (this.revisionNode.getCopiedFrom() != null) { Label copyLabel = new Label(SVNRevisionGraphMessages.RevisionTooltipFigure_CopiedFrom); parent.add(copyLabel); data = new GridData(); layout.setConstraint(copyLabel, data); copyLabel.setFont(boldFont); this.copyText = new Label(); parent.add(this.copyText); layout.setConstraint(this.copyText, new GridData()); } //incoming merge if (this.revisionNode.hasIncomingMerges()) { blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = blankSpacing; layout.setConstraint(blankFigure, data); parent.add(blankFigure); Label mergedFromLabel = new Label(SVNRevisionGraphMessages.RevisionTooltipFigure_IncomingMerge); parent.add(mergedFromLabel); data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(mergedFromLabel, data); mergedFromLabel.setFont(boldFont); this.incomingMergeText = new Label(); parent.add(this.incomingMergeText); data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(this.incomingMergeText, data); } //outgoing merge if (this.revisionNode.hasOutgoingMerges()) { blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = blankSpacing; layout.setConstraint(blankFigure, data); parent.add(blankFigure); Label mergedToLabel = new Label(SVNRevisionGraphMessages.RevisionTooltipFigure_OutgoingMerge); parent.add(mergedToLabel); data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(mergedToLabel, data); mergedToLabel.setFont(boldFont); this.outgoingMergeText = new Label(); parent.add(this.outgoingMergeText); data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(this.outgoingMergeText, data); } //comment blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = blankSpacing; layout.setConstraint(blankFigure, data); parent.add(blankFigure); blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = blankSpacing; layout.setConstraint(blankFigure, data); parent.add(blankFigure); Figure separator = new Figure() { public void paintFigure(Graphics graphics) { Rectangle rect = this.getClientArea(); graphics.drawLine(rect.x, rect.y, rect.x + rect.width, rect.y); } }; separator.setForegroundColor(ColorConstants.gray); data = new GridData(GridData.FILL_HORIZONTAL); data.heightHint = 1; data.horizontalSpan = 2; layout.setConstraint(separator, data); parent.add(separator); blankFigure = new Figure(); data = new GridData(); data.horizontalSpan = 2; data.heightHint = 2; layout.setConstraint(blankFigure, data); parent.add(blankFigure); this.commentText = new Label(); this.commentText.setIconAlignment(PositionConstants.TOP); this.commentText.setIcon(COMMENT_IMAGE); parent.add(this.commentText); data = new GridData(); data.horizontalAlignment = SWT.LEFT; data.grabExcessHorizontalSpace = true; data.horizontalSpan = 2; layout.setConstraint(this.commentText, data); } protected void initControls() { this.pathText.setIcon(RevisionFigure.getRevisionNodeIcon(this.revisionNode)); this.pathText.setText(this.revisionNode.getPath() + "@" + this.revisionNode.getRevision()); //$NON-NLS-1$ String author = this.revisionNode.getAuthor(); this.authorText.setText(author == null || author.length() == 0 ? SVNMessages.SVNInfo_NoAuthor : author); long date = this.revisionNode.getDate(); this.dateText.setText(date == 0 ? SVNMessages.SVNInfo_NoDate : DateFormatter.formatDate(date)); if (this.revisionNode.getCopiedFrom() != null) { RevisionNode copiedFrom = this.revisionNode.getCopiedFrom(); this.copyText.setText(copiedFrom.getPath() + "@" + copiedFrom.getRevision()); //$NON-NLS-1$ } //incoming merge String incomingMerges = RevisionFigure.getIncomingMergesAsString(this.revisionNode); if (incomingMerges != null) { this.incomingMergeText.setText(incomingMerges); } //outgoing merge String outgoingMerges = RevisionFigure.getOutgoingMergesAsString(this.revisionNode); if (outgoingMerges != null) { this.outgoingMergeText.setText(outgoingMerges); } String comment = this.revisionNode.getMessage(); this.commentText .setText(comment == null || comment.length() == 0 ? SVNMessages.SVNInfo_NoComment : comment); } protected static class Range { long start; long end; Range(long start) { this.end = this.start = start; } public String toString() { return this.start != this.end ? (this.start + "-" + this.end) : String.valueOf(this.start); //$NON-NLS-1$ } static List<Range> getRanges(long[] revisions) { if (revisions.length == 0) { return Collections.emptyList(); } Arrays.sort(revisions); List<Range> ranges = new ArrayList<Range>(); Range range = new Range(revisions[0]); ranges.add(range); for (int i = 1; i < revisions.length; i++) { long rev = revisions[i]; if (rev - 1 != range.end) { range = new Range(rev); ranges.add(range); } else { range.end = rev; } } return ranges; } } }