/*
* Copyright 2003-2015 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 jetbrains.mps.smodel.action;
import jetbrains.mps.nodeEditor.cells.EditorCell_Label;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.smodel.CopyUtil;
import jetbrains.mps.smodel.presentation.NodePresentationUtil;
import jetbrains.mps.typesystem.inference.TypeChecker;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.language.SReferenceLink;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeAccessUtil;
import java.util.Arrays;
import java.util.HashMap;
public class DefaultSReferenceSubstituteAction extends AbstractSubstituteAction {
private final SNode myCurrentReferent;
private final SReferenceLink myLink;
private final String myMatchingText;
private final String myVisibleMatchingText;
private final SNode myTargetNode;
public DefaultSReferenceSubstituteAction(SNode targetNode, SNode sourceNode, SNode currentReferent, SReferenceLink link) {
this(targetNode,
sourceNode,
currentReferent,
link,
IReferentPresentationProvider.getDefaultMatchingText(link).getPresentation(sourceNode, targetNode),
IReferentPresentationProvider.getDefaultVisibleMatchingText(link).getPresentation(sourceNode, targetNode)
);
}
public DefaultSReferenceSubstituteAction(SNode targetNode, SNode sourceNode, SNode currentReferent, SReferenceLink link, @NotNull String matchingText,
@NotNull String visibleMatchingText) {
super(sourceNode);
myTargetNode = targetNode;
myCurrentReferent = currentReferent;
myLink = link;
myMatchingText = matchingText;
myVisibleMatchingText = visibleMatchingText;
assert myTargetNode.getConcept().isSubConceptOf(myLink.getTargetConcept());
}
@Override
public SNode getIconNode(String pattern) {
return myTargetNode;
}
@Override
public Object getParameterObject() {
return myTargetNode;
}
@Override
public SNode getOutputConcept() {
return myLink.getTargetConcept().getDeclarationNode();
}
@Override
public String getMatchingText(String pattern) {
return myMatchingText;
}
@Override
public String getVisibleMatchingText(String pattern) {
return myVisibleMatchingText;
}
@Override
public String getDescriptionText(String pattern) {
//todo implement here
return NodePresentationUtil.descriptionText(myTargetNode);
}
@Override
public boolean isReferentPresentation() {
return true;
}
@Override
public SNode doSubstitute(@Nullable final EditorContext editorContext, String pattern) {
if (myCurrentReferent != myTargetNode) {
SNodeAccessUtil.setReferenceTarget(getSourceNode(), myLink, myTargetNode);
if (editorContext != null) {
// put caret at the end of text, TODO use editorContext.select(getSourceNode(), SModelUtil.getGenuineLinkRole(linkDeclaration), -1 /* end */);
editorContext.flushEvents();
EditorCell selectedCell = editorContext.getSelectedCell();
if (selectedCell instanceof EditorCell_Label && ((EditorCell_Label) selectedCell).isEditable()) {
EditorCell_Label cell = (EditorCell_Label) selectedCell;
cell.end();
}
}
}
return null;
}
@Override
public SNode getActionType(String pattern, EditorCell contextCell) {
HashMap<SNode, SNode> mapping = new HashMap<SNode, SNode>();
SNode sourceNode = getSourceNode();
CopyUtil.copy(Arrays.asList(sourceNode.getContainingRoot()), mapping);
SNode sourceNodeCopy = mapping.get(sourceNode);
SNode nodeToEquate = sourceNode;
TypeChecker typeChecker = TypeChecker.getInstance();
while (nodeToEquate != null && typeChecker.getTypeOf(nodeToEquate) == null) {
nodeToEquate = nodeToEquate.getParent();
}
if (nodeToEquate == null) {
return null;
}
SNode nodeToEquateCopy = mapping.get(nodeToEquate);
if (nodeToEquateCopy.getParent() == null) {
// why?..
return null;
}
SNodeAccessUtil.setReferenceTarget(sourceNodeCopy, myLink, myTargetNode);
return TypeChecker.getInstance().getTypeOf(nodeToEquateCopy);
}
}