com.intellij.diff.contents.FileDocumentContentImpl.java Source code

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Here is the source code for com.intellij.diff.contents.FileDocumentContentImpl.java

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/*
 * 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.contents;

import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.OpenFileDescriptor;
import com.intellij.openapi.fileEditor.impl.LoadTextUtil;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.LineSeparator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class FileDocumentContentImpl extends DocumentContentImpl implements FileContent {
    @Nullable
    private final Project myProject;
    @NotNull
    private final VirtualFile myFile;

    public FileDocumentContentImpl(@Nullable Project project, @NotNull Document document,
            @NotNull VirtualFile file) {
        super(document, file.getFileType(), file, getSeparator(file), file.getCharset());
        myProject = project;
        myFile = file;
    }

    @Nullable
    @Override
    public OpenFileDescriptor getOpenFileDescriptor(int offset) {
        if (myProject == null || myProject.isDefault())
            return null;
        return new OpenFileDescriptor(myProject, myFile, offset);
    }

    @Nullable
    private static LineSeparator getSeparator(@NotNull VirtualFile file) {
        String s = LoadTextUtil.detectLineSeparator(file, true);
        if (s == null)
            return null;
        return LineSeparator.fromString(s);
    }

    @NotNull
    public VirtualFile getFile() {
        return myFile;
    }
}