/*
* Copyright 2003-2016 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.lang.editor.menus.transformation;
import jetbrains.mps.openapi.editor.menus.substitute.SubstituteMenuContext;
import jetbrains.mps.openapi.editor.menus.substitute.SubstituteMenuItem;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeUtil;
/**
* @author simon
*/
public class DefaultSubstituteMenuItemAsActionItem extends SubstituteMenuItemAsActionItem {
private static final Logger LOG = Logger.getLogger(DefaultSubstituteMenuItemAsActionItem.class);
private final SubstituteMenuContext myContext;
public DefaultSubstituteMenuItemAsActionItem(SubstituteMenuItem substituteItem, SubstituteMenuContext context) {
super(substituteItem);
myContext = context;
}
@Override
public void execute(@NotNull String pattern) {
SNode newChild = getSubstituteItem().createNode(pattern);
final SNode nodeToSelect = doSubstitute(newChild);
if (nodeToSelect != null) {
myContext.getEditorContext().flushEvents();
select(nodeToSelect, pattern);
}
}
protected void select(SNode newChild, @NotNull String pattern) {
getSubstituteItem().select(newChild, pattern);
}
protected SNode doSubstitute(SNode newChild) {
if (newChild != null) {
SContainmentLink containmentLink = myContext.getLink();
SNode parentNode = myContext.getParentNode();
SNode currentChild = myContext.getCurrentTargetNode();
if (containmentLink == null) {
LOG.error("Containment link should not be null. " + "Parent node" + parentNode.getPresentation() + " Parent id: " + parentNode.getNodeId());
return null;
}
if (!newChild.getConcept().isSubConceptOf(containmentLink.getTargetConcept())) {
LOG.error("couldn't set instance of " + newChild.getConcept().getName() +
" as child '" + containmentLink.getName() + "' to parent" + parentNode.getPresentation() + " Parent id: " + parentNode.getNodeId());
return null;
}
if (currentChild == null) {
parentNode.addChild(containmentLink, newChild);
} else {
SNodeUtil.replaceWithAnother(currentChild, newChild);
currentChild.delete();
}
}
return newChild;
}
protected SubstituteMenuContext getSubstituteMenuContext() {
return myContext;
}
}