| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.openapi.vcs.changes.committed; |
| |
| import com.intellij.openapi.vcs.versionBrowser.CommittedChangeList; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| import javax.swing.event.ChangeListener; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.TreeMap; |
| |
| public class CompositeChangeListFilteringStrategy implements ChangeListFilteringStrategy { |
| private final TreeMap<CommittedChangesFilterKey, ChangeListFilteringStrategy> myDelegates; |
| private boolean myInSetBase; |
| |
| public CompositeChangeListFilteringStrategy() { |
| myDelegates = new TreeMap<CommittedChangesFilterKey, ChangeListFilteringStrategy>(); |
| myInSetBase = false; |
| } |
| |
| public JComponent getFilterUI() { |
| return null; |
| } |
| |
| @Override |
| public CommittedChangesFilterKey getKey() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setFilterBase(final List<CommittedChangeList> changeLists) { |
| setFilterBaseImpl(changeLists, true); |
| } |
| |
| private List<CommittedChangeList> setFilterBaseImpl(final List<CommittedChangeList> changeLists, final boolean setFirst) { |
| if (myInSetBase) { |
| return changeLists; |
| } |
| myInSetBase = true; |
| |
| List<CommittedChangeList> list = new ArrayList<CommittedChangeList>(changeLists); |
| boolean callSetFilterBase = setFirst; |
| for (final ChangeListFilteringStrategy delegate : myDelegates.values()) { |
| if (callSetFilterBase) { |
| delegate.setFilterBase(list); |
| } |
| callSetFilterBase = true; |
| list = delegate.filterChangeLists(list); |
| } |
| myInSetBase = false; |
| return list; |
| } |
| |
| public void addChangeListener(final ChangeListener listener) { |
| // not used |
| for (final ChangeListFilteringStrategy delegate : myDelegates.values()) { |
| delegate.addChangeListener(listener); |
| } |
| } |
| |
| public void removeChangeListener(final ChangeListener listener) { |
| // not used |
| for (final ChangeListFilteringStrategy delegate : myDelegates.values()) { |
| delegate.removeChangeListener(listener); |
| } |
| } |
| |
| public void resetFilterBase() { |
| for (final ChangeListFilteringStrategy delegate : myDelegates.values()) { |
| delegate.resetFilterBase(); |
| } |
| } |
| |
| public void appendFilterBase(final List<CommittedChangeList> changeLists) { |
| List<CommittedChangeList> list = new ArrayList<CommittedChangeList>(changeLists); |
| for (final ChangeListFilteringStrategy delegate : myDelegates.values()) { |
| delegate.appendFilterBase(list); |
| list = delegate.filterChangeLists(list); |
| } |
| } |
| |
| @NotNull |
| public List<CommittedChangeList> filterChangeLists(final List<CommittedChangeList> changeLists) { |
| return setFilterBaseImpl(changeLists, false); |
| } |
| |
| public void addStrategy(final CommittedChangesFilterKey key, final ChangeListFilteringStrategy strategy) { |
| myDelegates.put(key, strategy); |
| } |
| |
| public ChangeListFilteringStrategy removeStrategy(final CommittedChangesFilterKey key) { |
| return myDelegates.remove(key); |
| } |
| } |