/*
* Copyright 2003-2014 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 jetbrains.mps.editor.runtime.commands;
import jetbrains.mps.openapi.editor.EditorComponent;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.commands.CommandContext;
import jetbrains.mps.smodel.SNodeUndoableAction;
import jetbrains.mps.smodel.undo.UndoContext;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.Collections;
import java.util.List;
/**
* User: shatalin
* Date: 08/10/14
*/
public abstract class EditorCommand implements Runnable, UndoContext {
private final CommandContext myCommandContext;
private final SNode myContextNode;
public EditorCommand(EditorContext editorContext) {
this(editorContext.getEditorComponent().getCommandContext());
}
public EditorCommand(EditorComponent editorComponent) {
this(editorComponent.getCommandContext());
}
public EditorCommand(CommandContext commandContext) {
myCommandContext = commandContext;
myContextNode = myCommandContext.getContextNode();
}
@Override
public void run() {
try {
myCommandContext.commandStarted();
doExecute();
} finally {
myCommandContext.commandFinished();
}
}
@Override
public Iterable<SNode> getVirtualFileNodes(List<SNodeUndoableAction> wrapped) {
return myContextNode == null ? Collections.emptyList() : Collections.singleton(myContextNode);
}
protected abstract void doExecute();
}