| /* |
| * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| package com.sun.hotspot.igv.filter; |
| |
| import com.sun.hotspot.igv.graph.Diagram; |
| import com.sun.hotspot.igv.data.ChangedEvent; |
| import com.sun.hotspot.igv.data.ChangedEventProvider; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * |
| * @author Thomas Wuerthinger |
| */ |
| public class FilterChain implements ChangedEventProvider<FilterChain> { |
| |
| private List<Filter> filters; |
| private transient ChangedEvent<FilterChain> changedEvent; |
| private boolean fireEvents; |
| |
| public FilterChain() { |
| filters = new ArrayList<Filter>(); |
| changedEvent = new ChangedEvent<FilterChain>(this); |
| this.fireEvents = true; |
| } |
| |
| public FilterChain(FilterChain f) { |
| this.filters = new ArrayList<Filter>(f.filters); |
| changedEvent = new ChangedEvent<FilterChain>(this); |
| this.fireEvents = true; |
| } |
| |
| public ChangedEvent<FilterChain> getChangedEvent() { |
| return changedEvent; |
| } |
| |
| public Filter getFilterAt(int index) { |
| assert index >= 0 && index < filters.size(); |
| return filters.get(index); |
| } |
| |
| public void apply(Diagram d) { |
| for (Filter f : filters) { |
| f.apply(d); |
| } |
| } |
| |
| public void apply(Diagram d, FilterChain sequence) { |
| List<Filter> applied = new ArrayList<Filter>(); |
| for (Filter f : sequence.getFilters()) { |
| if (filters.contains(f)) { |
| f.apply(d); |
| applied.add(f); |
| } |
| } |
| |
| |
| for (Filter f : filters) { |
| if (!applied.contains(f)) { |
| f.apply(d); |
| } |
| } |
| } |
| |
| public void beginAtomic() { |
| this.fireEvents = false; |
| } |
| |
| public void endAtomic() { |
| this.fireEvents = true; |
| changedEvent.fire(); |
| } |
| |
| public void addFilter(Filter filter) { |
| assert filter != null; |
| filters.add(filter); |
| if (fireEvents) { |
| changedEvent.fire(); |
| } |
| } |
| |
| public void addFilterSameSequence(Filter filter) { |
| assert filter != null; |
| filters.add(filter); |
| if (fireEvents) { |
| changedEvent.fire(); |
| } |
| } |
| |
| public boolean containsFilter(Filter filter) { |
| return filters.contains(filter); |
| } |
| |
| public void removeFilter(Filter filter) { |
| assert filters.contains(filter); |
| filters.remove(filter); |
| if (fireEvents) { |
| changedEvent.fire(); |
| } |
| } |
| |
| public void moveFilterUp(Filter filter) { |
| assert filters.contains(filter); |
| int index = filters.indexOf(filter); |
| if (index != 0) { |
| filters.remove(index); |
| filters.add(index - 1, filter); |
| } |
| if (fireEvents) { |
| changedEvent.fire(); |
| } |
| } |
| |
| public void moveFilterDown(Filter filter) { |
| assert filters.contains(filter); |
| int index = filters.indexOf(filter); |
| if (index != filters.size() - 1) { |
| filters.remove(index); |
| filters.add(index + 1, filter); |
| } |
| if (fireEvents) { |
| changedEvent.fire(); |
| } |
| } |
| |
| public List<Filter> getFilters() { |
| return Collections.unmodifiableList(filters); |
| } |
| |
| public void clear() { |
| filters.clear(); |
| } |
| } |