/*
* 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.merge;
import com.intellij.diff.DiffContext;
import com.intellij.diff.contents.DiffContent;
import com.intellij.diff.merge.MergeTool.MergeViewer;
import com.intellij.diff.requests.ContentDiffRequest;
import com.intellij.diff.requests.DiffRequest;
import com.intellij.diff.util.DiffUserDataKeysEx;
import com.intellij.diff.util.DiffUtil;
import com.intellij.diff.util.ThreeSide;
import com.intellij.openapi.diff.DiffBundle;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.Couple;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.history.VcsRevisionNumber;
import com.intellij.openapi.vcs.merge.MergeData;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.util.List;
public class MergeUtil {
@NotNull
public static Action createSimpleResolveAction(@NotNull MergeResult result,
@NotNull MergeRequest request,
@NotNull MergeContext context,
@NotNull MergeViewer viewer) {
String caption = getResolveActionTitle(result, request, context);
return new AbstractAction(caption) {
@Override
public void actionPerformed(ActionEvent e) {
if (result == MergeResult.CANCEL && !showExitWithoutApplyingChangesDialog(viewer, request, context)) {
return;
}
context.finishMerge(result);
}
};
}
@NotNull
public static String getResolveActionTitle(@NotNull MergeResult result, @NotNull MergeRequest request, @NotNull MergeContext context) {
Function<MergeResult, String> getter = DiffUtil.getUserData(request, context, DiffUserDataKeysEx.MERGE_ACTION_CAPTIONS);
String message = getter != null ? getter.fun(result) : null;
if (message != null) return message;
switch (result) {
case CANCEL:
return "Abort";
case LEFT:
return "Accept Left";
case RIGHT:
return "Accept Right";
case RESOLVED:
return "Apply";
default:
throw new IllegalArgumentException(result.toString());
}
}
@NotNull
public static List<String> notNullizeContentTitles(@NotNull List<String> mergeContentTitles) {
String left = StringUtil.notNullize(ThreeSide.LEFT.select(mergeContentTitles), "Your Version");
String base = StringUtil.notNullize(ThreeSide.BASE.select(mergeContentTitles), "Base Version");
String right = StringUtil.notNullize(ThreeSide.RIGHT.select(mergeContentTitles), "Server Version");
return ContainerUtil.list(left, base, right);
}
public static class ProxyDiffContext extends DiffContext {
@NotNull private final MergeContext myMergeContext;
public ProxyDiffContext(@NotNull MergeContext mergeContext) {
myMergeContext = mergeContext;
}
@Nullable
@Override
public Project getProject() {
return myMergeContext.getProject();
}
@Override
public boolean isWindowFocused() {
return true;
}
@Override
public boolean isFocused() {
return myMergeContext.isFocused();
}
@Override
public void requestFocus() {
myMergeContext.requestFocus();
}
@Nullable
@Override
public <T> T getUserData(@NotNull Key<T> key) {
return myMergeContext.getUserData(key);
}
@Override
public <T> void putUserData(@NotNull Key<T> key, @Nullable T value) {
myMergeContext.putUserData(key, value);
}
}
public static boolean showExitWithoutApplyingChangesDialog(@NotNull MergeViewer viewer,
@NotNull MergeRequest request,
@NotNull MergeContext context) {
Condition<MergeViewer> customHandler = DiffUtil.getUserData(request, context, DiffUserDataKeysEx.MERGE_CANCEL_HANDLER);
if (customHandler != null) {
return customHandler.value(viewer);
}
return showExitWithoutApplyingChangesDialog(viewer.getComponent(), request, context);
}
public static boolean showExitWithoutApplyingChangesDialog(@NotNull JComponent component,
@NotNull MergeRequest request,
@NotNull MergeContext context) {
String message = DiffBundle.message("merge.dialog.exit.without.applying.changes.confirmation.message");
String title = DiffBundle.message("cancel.visual.merge.dialog.title");
Couple<String> customMessage = DiffUtil.getUserData(request, context, DiffUserDataKeysEx.MERGE_CANCEL_MESSAGE);
if (customMessage != null) {
title = customMessage.first;
message = customMessage.second;
}
return Messages.showYesNoDialog(component.getRootPane(), message, title, Messages.getQuestionIcon()) == Messages.YES;
}
public static void putRevisionInfos(@NotNull MergeRequest request, @NotNull MergeData data) {
if (request instanceof ThreesideMergeRequest) {
List<? extends DiffContent> contents = ((ThreesideMergeRequest)request).getContents();
putRevisionInfo(contents, data);
}
}
public static void putRevisionInfos(@NotNull DiffRequest request, @NotNull MergeData data) {
if (request instanceof ContentDiffRequest) {
List<? extends DiffContent> contents = ((ContentDiffRequest)request).getContents();
if (contents.size() == 3) {
putRevisionInfo(contents, data);
}
}
}
private static void putRevisionInfo(@NotNull List<? extends DiffContent> contents, @NotNull MergeData data) {
for (ThreeSide side : ThreeSide.values()) {
DiffContent content = side.select(contents);
FilePath filePath = side.select(data.CURRENT_FILE_PATH, data.ORIGINAL_FILE_PATH, data.LAST_FILE_PATH);
VcsRevisionNumber revision = side.select(data.CURRENT_REVISION_NUMBER, data.ORIGINAL_REVISION_NUMBER, data.LAST_REVISION_NUMBER);
if (filePath != null && revision != null) {
content.putUserData(DiffUserDataKeysEx.REVISION_INFO, Pair.create(filePath, revision));
}
}
}
}