com.intellij.openapi.command.undo.BasicUndoableAction.java Source code

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Here is the source code for com.intellij.openapi.command.undo.BasicUndoableAction.java

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/*
 * Copyright 2000-2010 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.command.undo;

import com.intellij.openapi.editor.Document;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public abstract class BasicUndoableAction implements UndoableAction {
    private final DocumentReference[] myRefs;

    public BasicUndoableAction() {
        myRefs = null;
    }

    public BasicUndoableAction(DocumentReference @Nullable... refs) {
        myRefs = refs;
    }

    public BasicUndoableAction(Document @NotNull... docs) {
        myRefs = new DocumentReference[docs.length];
        for (int i = 0; i < docs.length; i++) {
            myRefs[i] = DocumentReferenceManager.getInstance().create(docs[i]);
        }
    }

    public BasicUndoableAction(VirtualFile @NotNull... files) {
        myRefs = new DocumentReference[files.length];
        for (int i = 0; i < files.length; i++) {
            myRefs[i] = DocumentReferenceManager.getInstance().create(files[i]);
        }
    }

    @Override
    public DocumentReference[] getAffectedDocuments() {
        return myRefs;
    }

    @Override
    public boolean isGlobal() {
        return false;
    }
}