| /* |
| * 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.options; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.openapi.util.Factory; |
| import com.intellij.util.Alarm; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public abstract class CompositeSettingsEditor<Settings> extends SettingsEditor<Settings> { |
| public static final Logger LOG = Logger.getInstance(CompositeSettingsEditor.class); |
| |
| private Collection<SettingsEditor<Settings>> myEditors; |
| private SettingsEditorListener<Settings> myChildSettingsListener; |
| private SynchronizationController mySyncController; |
| private boolean myIsDisposed = false; |
| |
| public CompositeSettingsEditor() {} |
| |
| public CompositeSettingsEditor(Factory<Settings> factory) { |
| super(factory); |
| if (factory != null) { |
| mySyncController = new SynchronizationController(); |
| } |
| } |
| |
| public abstract CompositeSettingsBuilder<Settings> getBuilder(); |
| |
| public void resetEditorFrom(Settings settings) { |
| for (final SettingsEditor<Settings> myEditor : myEditors) { |
| try { |
| myEditor.resetEditorFrom(settings); |
| } |
| catch (Exception e) { |
| LOG.error(e); |
| } |
| } |
| } |
| |
| public void applyEditorTo(Settings settings) throws ConfigurationException { |
| for (final SettingsEditor<Settings> myEditor : myEditors) { |
| try { |
| myEditor.applyTo(settings); |
| } |
| catch (ConfigurationException e) { |
| throw e; |
| } |
| catch (Exception e) { |
| LOG.error(e); |
| } |
| } |
| } |
| |
| public void uninstallWatcher() { |
| for (SettingsEditor<Settings> editor : myEditors) { |
| editor.removeSettingsEditorListener(myChildSettingsListener); |
| } |
| } |
| |
| public void installWatcher(JComponent c) { |
| myChildSettingsListener = new SettingsEditorListener<Settings>() { |
| public void stateChanged(SettingsEditor<Settings> editor) { |
| fireEditorStateChanged(); |
| if (mySyncController != null) mySyncController.handleStateChange(editor); |
| } |
| }; |
| |
| for (SettingsEditor<Settings> editor : myEditors) { |
| editor.addSettingsEditorListener(myChildSettingsListener); |
| } |
| } |
| |
| @NotNull |
| protected final JComponent createEditor() { |
| CompositeSettingsBuilder<Settings> builder = getBuilder(); |
| myEditors = builder.getEditors(); |
| for (final SettingsEditor<Settings> editor : myEditors) { |
| Disposer.register(this, editor); |
| editor.setOwner(this); |
| } |
| return builder.createCompoundEditor(); |
| } |
| |
| public void disposeEditor() { |
| myIsDisposed = true; |
| } |
| |
| private class SynchronizationController { |
| private final Set<SettingsEditor> myChangedEditors = new HashSet<SettingsEditor>(); |
| private final Alarm mySyncAlarm = new Alarm(Alarm.ThreadToUse.SWING_THREAD); |
| private boolean myIsInSync = false; |
| |
| public void handleStateChange(SettingsEditor editor) { |
| if (myIsInSync || myIsDisposed) return; |
| myChangedEditors.add(editor); |
| mySyncAlarm.cancelAllRequests(); |
| mySyncAlarm.addRequest(new Runnable() { |
| public void run() { |
| if (!myIsDisposed) { |
| sync(); |
| } |
| } |
| }, 300); |
| } |
| |
| public void sync() { |
| myIsInSync = true; |
| try { |
| Settings snapshot = getSnapshot(); |
| for (SettingsEditor<Settings> editor : myEditors) { |
| if (!myChangedEditors.contains(editor)) { |
| editor.resetFrom(snapshot); |
| } |
| } |
| } |
| catch (ConfigurationException ignored) { |
| } |
| finally{ |
| myChangedEditors.clear(); |
| myIsInSync = false; |
| } |
| } |
| } |
| } |