| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.ui; |
| |
| import java.util.Date; |
| |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.team.internal.ccvs.core.filehistory.CVSFileRevision; |
| import org.eclipse.team.internal.ui.history.AbstractHistoryCategory; |
| |
| public class CVSHistoryFilter extends ViewerFilter { |
| public String author; |
| public Date fromDate; |
| public Date toDate; |
| public String comment; |
| public boolean isOr; |
| private int matchCounter; |
| |
| public CVSHistoryFilter(String author, String comment, Date fromDate, Date toDate, boolean isOr) { |
| this.author = author; |
| this.comment = comment; |
| this.fromDate = fromDate; |
| this.toDate = toDate; |
| this.isOr = isOr; |
| this.matchCounter = 0; |
| } |
| |
| /** |
| * @see ViewerFilter#select(Viewer, Object, Object) |
| */ |
| public boolean select(Viewer aviewer, Object parentElement, Object element) { |
| if (element instanceof AbstractHistoryCategory) |
| return true; |
| |
| if (element instanceof CVSFileRevision) { |
| CVSFileRevision entry = (CVSFileRevision) element; |
| if (isOr) { |
| //empty fields should be considered a non-match |
| boolean orSearch = (hasAuthor() && authorMatch(entry)) || (hasDate() && dateMatch(entry)) || (hasComment() && commentMatch(entry)); |
| if (orSearch) |
| matchCounter++; |
| |
| return orSearch; |
| } else { |
| //"and" search |
| //empty fields should be considered a match |
| boolean andSearch = (!hasAuthor() || authorMatch(entry)) && (!hasDate() || dateMatch(entry)) && (!hasComment() || commentMatch(entry)); |
| if (andSearch) |
| matchCounter++; |
| |
| return andSearch; |
| } |
| } |
| return false; |
| } |
| |
| protected boolean authorMatch(CVSFileRevision revision) { |
| return revision.getAuthor().equals(author); |
| } |
| |
| protected boolean commentMatch(CVSFileRevision revision) { |
| return !(revision.getComment().toLowerCase().indexOf(comment.toLowerCase()) == -1); |
| } |
| |
| protected boolean dateMatch(CVSFileRevision revision) { |
| return isAfterFromDate(revision) && isBeforeToDate(revision); |
| } |
| |
| private boolean isBeforeToDate(CVSFileRevision revision) { |
| if (toDate == null) |
| return true; |
| return (toDate.after(new Date(revision.getTimestamp()))); |
| } |
| |
| private boolean isAfterFromDate(CVSFileRevision revision) { |
| if (fromDate == null) |
| return true; |
| return (fromDate.before(new Date(revision.getTimestamp()))); |
| } |
| |
| protected boolean hasAuthor() { |
| return !author.equals(""); //$NON-NLS-1$ |
| } |
| |
| protected boolean hasComment() { |
| return !comment.equals(""); //$NON-NLS-1$ |
| } |
| |
| protected boolean hasDate() { |
| return fromDate != null || toDate != null; |
| } |
| |
| public int getMatchCount(){ |
| return matchCounter; |
| } |
| } |