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/*
* Copyright 2000-2013 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.diff.actions;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.diff.*;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.SelectionModel;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.TextRange;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class CompareClipboardWithSelection extends BaseDiffAction {
@Nullable
protected DiffRequest getDiffData(DataContext dataContext) {
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) return null;
Editor editorData = CommonDataKeys.EDITOR.getData(dataContext);
Editor editor = editorData != null ? editorData : FileEditorManager.getInstance(project).getSelectedTextEditor();
if (editor == null) return null;
return new ClipboardSelectionContents(editor, project);
}
private static class ClipboardSelectionContents extends DiffRequest {
private DiffContent[] myContents = null;
private final Editor myEditor;
public ClipboardSelectionContents(Editor editor, Project project) {
super(project);
myEditor = editor;
}
public String[] getContentTitles() {
return new String[]{DiffBundle.message("diff.content.clipboard.content.title"),
isEditorContent(getDocument()) ?
DiffBundle.message("diff.content.selection.from.editor.content.title") :
DiffBundle.message("diff.content.selection.from.file.content.title", getDocumentFileUrl(getDocument()))
};
}
@Override
public boolean isSafeToCallFromUpdate() {
return !SystemInfo.isMac;
}
@NotNull
public DiffContent[] getContents() {
if (myContents != null) return myContents;
DiffContent clipboardContent = ClipboardVsValueContents.createClipboardContent();
if (clipboardContent == null) clipboardContent = new SimpleContent("");
myContents = new DiffContent[2];
myContents[0] = clipboardContent;
SelectionModel selectionModel = myEditor.getSelectionModel();
if (selectionModel.hasSelection()) {
TextRange range = new TextRange(selectionModel.getSelectionStart(), selectionModel.getSelectionEnd());
myContents[1] = new FragmentContent(DiffContent.fromDocument(getProject(), getDocument()),
range, getProject(), getDocumentFile(getDocument()));
}
else {
myContents [1] = DiffContent.fromDocument(getProject(), getDocument());
}
return myContents;
}
private Document getDocument() {
return myEditor.getDocument();
}
public String getWindowTitle() {
if (isEditorContent(getDocument())) {
return DiffBundle.message("diff.clipboard.vs.editor.dialog.title");
} else {
return DiffBundle.message("diff.clipboard.vs.file.dialog.title", getDocumentFileUrl(getDocument()));
}
}
}
}
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