/*
* 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.openapi.progress.util;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.wm.StatusBar;
import com.intellij.openapi.wm.WindowManager;
import com.intellij.util.containers.ContainerUtil;
import javax.swing.*;
import java.util.Map;
import static com.intellij.openapi.util.Pair.pair;
import static com.intellij.util.ObjectUtils.notNull;
public class StatusBarProgress extends ProgressIndicatorBase {
// statusBar -> [textToRestore, MyPreviousText]
private final Map<StatusBar, Pair<String, String>> myStatusBar2SavedText = ContainerUtil.newHashMap();
public StatusBarProgress() {
super(true);
}
@Override
public void start() {
super.start();
//noinspection SSBasedInspection
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
if (ApplicationManager.getApplication().isDisposed()) return;
WindowManager windowManager = WindowManager.getInstance();
if (windowManager == null) return;
Project[] projects = ProjectManager.getInstance().getOpenProjects();
if (projects.length == 0) projects = new Project[]{null};
for (Project project : projects) {
StatusBar statusBar = windowManager.getStatusBar(project);
if (statusBar != null) {
String info = notNull(statusBar.getInfo(), "");
myStatusBar2SavedText.put(statusBar, pair(info, info)); // initial value
}
}
}
}
);
}
@Override
public void stop() {
super.stop();
//noinspection SSBasedInspection
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
for (StatusBar statusBar : myStatusBar2SavedText.keySet()) {
String textToRestore = updateRestoreText(statusBar);
statusBar.setInfo(textToRestore);
}
myStatusBar2SavedText.clear();
}
}
);
}
@Override
public void setText(String text) {
super.setText(text);
update();
}
@Override
public void setFraction(double fraction) {
super.setFraction(fraction);
update();
}
private void update() {
String text;
if (!isRunning()) {
text = "";
}
else {
text = getText();
double fraction = getFraction();
if (fraction > 0) {
text += " " + (int)(fraction * 100 + 0.5) + "%";
}
}
final String _text = text;
//noinspection SSBasedInspection
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
for (StatusBar statusBarEx : myStatusBar2SavedText.keySet()) {
setStatusBarText(statusBarEx, _text);
}
}
}
);
}
private void setStatusBarText(StatusBar statusBar, String text) {
updateRestoreText(statusBar);
Pair<String, String> textsPair = myStatusBar2SavedText.get(statusBar);
myStatusBar2SavedText.put(statusBar, pair(textsPair.first, text));
statusBar.setInfo(text);
}
private String updateRestoreText(StatusBar statusBar) {
Pair<String, String> textsPair = myStatusBar2SavedText.get(statusBar);
// if current status bar info doesn't match the value, that we set, use this value as a restore value
String info = notNull(statusBar.getInfo(), "");
if (!textsPair.getSecond().equals(info)) {
myStatusBar2SavedText.put(statusBar, pair(info, textsPair.second));
}
return textsPair.getFirst();
}
}