/*
* Copyright 2000-2015 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.diff.impl;
import com.intellij.diff.DiffRequestPanel;
import com.intellij.diff.requests.DiffRequest;
import com.intellij.diff.requests.NoDiffRequest;
import com.intellij.diff.util.DiffUserDataKeys;
import com.intellij.diff.util.DiffUserDataKeysEx;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.Key;
import com.intellij.util.ui.UIUtil;
import consulo.annotations.RequiredDispatchThread;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
public class DiffRequestPanelImpl implements DiffRequestPanel {
@NotNull private final JPanel myPanel;
@NotNull private final MyDiffRequestProcessor myProcessor;
public DiffRequestPanelImpl(@Nullable Project project, @Nullable Window window) {
myProcessor = new MyDiffRequestProcessor(project, window);
myProcessor.putContextUserData(DiffUserDataKeys.DO_NOT_CHANGE_WINDOW_TITLE, true);
myPanel = new JPanel(new BorderLayout()) {
@Override
public void addNotify() {
super.addNotify();
myProcessor.updateRequest();
}
};
myPanel.add(myProcessor.getComponent());
}
@Override
public void setRequest(@Nullable DiffRequest request) {
setRequest(request, null);
}
@Override
public void setRequest(@Nullable DiffRequest request, @Nullable Object identity) {
myProcessor.setRequest(request, identity);
}
@Override
public <T> void putContextHints(@NotNull Key<T> key, @Nullable T value) {
myProcessor.putContextUserData(key, value);
}
@NotNull
@Override
public JComponent getComponent() {
return myPanel;
}
@Nullable
@Override
public JComponent getPreferredFocusedComponent() {
return myProcessor.getPreferredFocusedComponent();
}
@Override
public void dispose() {
Disposer.dispose(myProcessor);
}
private static class MyDiffRequestProcessor extends DiffRequestProcessor {
@Nullable private final Window myWindow;
@NotNull private DiffRequest myRequest = NoDiffRequest.INSTANCE;
@Nullable private Object myRequestIdentity = null;
public MyDiffRequestProcessor(@Nullable Project project, @Nullable Window window) {
super(project);
myWindow = window;
}
public synchronized void setRequest(@Nullable DiffRequest request, @Nullable Object identity) {
if (myRequestIdentity != null && identity != null && myRequestIdentity.equals(identity)) return;
myRequest = request != null ? request : NoDiffRequest.INSTANCE;
myRequestIdentity = identity;
UIUtil.invokeLaterIfNeeded(() -> updateRequest());
}
@Override
@RequiredDispatchThread
public synchronized void updateRequest(boolean force, @Nullable DiffUserDataKeysEx.ScrollToPolicy scrollToChangePolicy) {
applyRequest(myRequest, force, scrollToChangePolicy);
}
@Override
protected void setWindowTitle(@NotNull String title) {
if (myWindow == null) return;
if (myWindow instanceof JDialog) ((JDialog)myWindow).setTitle(title);
if (myWindow instanceof JFrame) ((JFrame)myWindow).setTitle(title);
}
}
}