| /* |
| * Copyright 2000-2012 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.psi.codeStyle; |
| |
| import com.intellij.openapi.components.PersistentStateComponent; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.DefaultJDOMExternalizer; |
| import com.intellij.openapi.util.DifferenceFilter; |
| import com.intellij.openapi.util.InvalidDataException; |
| import com.intellij.openapi.util.WriteExternalException; |
| import org.jdom.Element; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class CodeStyleSettingsManager implements PersistentStateComponent<Element> { |
| private static final Logger LOG = Logger.getInstance("#" + CodeStyleSettingsManager.class.getName()); |
| |
| public volatile CodeStyleSettings PER_PROJECT_SETTINGS = null; |
| public volatile boolean USE_PER_PROJECT_SETTINGS = false; |
| public volatile String PREFERRED_PROJECT_CODE_STYLE = null; |
| private volatile CodeStyleSettings myTemporarySettings; |
| private volatile boolean myIsLoaded = false; |
| |
| public static CodeStyleSettingsManager getInstance(@Nullable Project project) { |
| if (project == null || project.isDefault()) return getInstance(); |
| ProjectCodeStyleSettingsManager projectSettingsManager = ServiceManager.getService(project, ProjectCodeStyleSettingsManager.class); |
| if (!projectSettingsManager.isLoaded()) { |
| synchronized (projectSettingsManager) { |
| if (!projectSettingsManager.isLoaded()) { |
| LegacyCodeStyleSettingsManager legacySettingsManager = ServiceManager.getService(project, LegacyCodeStyleSettingsManager.class); |
| if (legacySettingsManager != null && legacySettingsManager.getState() != null) { |
| projectSettingsManager.loadState(legacySettingsManager.getState()); |
| LOG.info("Imported old project code style settings."); |
| } |
| } |
| } |
| } |
| return projectSettingsManager; |
| } |
| |
| public static CodeStyleSettingsManager getInstance() { |
| return ServiceManager.getService(AppCodeStyleSettingsManager.class); |
| } |
| |
| @SuppressWarnings({"UnusedDeclaration"}) |
| public CodeStyleSettingsManager(Project project) { |
| } |
| public CodeStyleSettingsManager() {} |
| |
| @NotNull |
| public static CodeStyleSettings getSettings(@Nullable final Project project) { |
| return getInstance(project).getCurrentSettings(); |
| } |
| |
| @NotNull |
| public CodeStyleSettings getCurrentSettings() { |
| CodeStyleSettings temporarySettings = myTemporarySettings; |
| if (temporarySettings != null) return temporarySettings; |
| CodeStyleSettings projectSettings = PER_PROJECT_SETTINGS; |
| if (USE_PER_PROJECT_SETTINGS && projectSettings != null) return projectSettings; |
| return CodeStyleSchemes.getInstance().findPreferredScheme(PREFERRED_PROJECT_CODE_STYLE).getCodeStyleSettings(); |
| } |
| |
| private void readExternal(Element element) throws InvalidDataException { |
| DefaultJDOMExternalizer.readExternal(this, element); |
| } |
| |
| private void writeExternal(Element element) throws WriteExternalException { |
| DefaultJDOMExternalizer.writeExternal(this, element, new DifferenceFilter<CodeStyleSettingsManager>(this, new CodeStyleSettingsManager())); |
| } |
| |
| @Override |
| public Element getState() { |
| Element result = new Element("state"); |
| try { |
| writeExternal(result); |
| } |
| catch (WriteExternalException e) { |
| LOG.error(e); |
| } |
| return result; |
| } |
| |
| @Override |
| public void loadState(Element state) { |
| try { |
| readExternal(state); |
| myIsLoaded = true; |
| } |
| catch (InvalidDataException e) { |
| LOG.error(e); |
| } |
| } |
| |
| public CodeStyleSettings getTemporarySettings() { |
| return myTemporarySettings; |
| } |
| |
| public void setTemporarySettings(@NotNull CodeStyleSettings settings) { |
| myTemporarySettings = settings; |
| } |
| |
| public void dropTemporarySettings() { |
| myTemporarySettings = null; |
| } |
| |
| public boolean isLoaded() { |
| return myIsLoaded; |
| } |
| } |