| /* |
| * Copyright 2000-2014 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.util.xml.ui; |
| |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.progress.ProgressIndicator; |
| import com.intellij.openapi.progress.ProgressManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.ui.UserActivityListener; |
| import com.intellij.util.Alarm; |
| |
| /** |
| * User: Sergey.Vasiliev |
| */ |
| public class CommitablePanelUserActivityListener implements UserActivityListener, Disposable { |
| private final Committable myPanel; |
| private final Project myProject; |
| private final Alarm myAlarm = new Alarm(); |
| private boolean myApplying; |
| |
| public CommitablePanelUserActivityListener(Project project) { |
| this(null, project); |
| } |
| |
| public CommitablePanelUserActivityListener(final Committable panel, Project project) { |
| myPanel = panel; |
| myProject = project; |
| } |
| |
| @Override |
| final public void stateChanged() { |
| if (myApplying) return; |
| cancel(); |
| cancelAllRequests(); |
| myAlarm.addRequest(new Runnable() { |
| @Override |
| public void run() { |
| myApplying = true; |
| cancel(); |
| try { |
| applyChanges(); |
| } |
| finally { |
| myApplying = false; |
| } |
| } |
| }, 717); |
| } |
| |
| private static void cancel() { |
| final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator(); |
| if (indicator != null) { |
| indicator.cancel(); |
| } |
| } |
| |
| protected void applyChanges() { |
| if (myPanel != null) { |
| commit(myPanel); |
| } |
| } |
| |
| protected final void commit(final Committable panel) { |
| ServiceManager.getService(getProject(), CommittableUtil.class).commit(panel); |
| } |
| |
| protected final Project getProject() { |
| return myProject; |
| } |
| |
| public final boolean isWaiting() { |
| return !myAlarm.isEmpty(); |
| } |
| |
| public final void cancelAllRequests() { |
| myAlarm.cancelAllRequests(); |
| } |
| |
| @Override |
| public void dispose() { |
| cancelAllRequests(); |
| } |
| } |