/*
* 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.workbench.structureview.nodes;
import com.intellij.ide.structureView.StructureViewTreeElement;
import com.intellij.ide.util.treeView.smartTree.TreeElement;
import com.intellij.navigation.ItemPresentation;
import jetbrains.mps.plugins.relations.RelationDescriptor;
import jetbrains.mps.workbench.choose.NodePointerNavigationItem;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SConcept;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
public class AspectTreeElement implements StructureViewTreeElement, Comparable<AspectTreeElement> {
private final MainNodeTreeElement myParent;
private final boolean myIsBijectional;
private final RelationDescriptor myAspectDescriptor;
private final NodePointerNavigationItem myPresentation;
private final SConcept myNodeConcept;
// invoked with model read
/*package*/ AspectTreeElement(MainNodeTreeElement parent, SNode node, RelationDescriptor aspectDescriptor, boolean bijectional) {
myParent = parent;
myAspectDescriptor = aspectDescriptor;
myIsBijectional = bijectional;
myPresentation = new Presentation(node);
myNodeConcept = node.getConcept();
}
public RelationDescriptor getAspectDescriptor() {
return myAspectDescriptor;
}
public boolean isBijectional() {
return myIsBijectional;
}
@Override
public TreeElement[] getChildren() {
return StructureViewTreeElement.EMPTY_ARRAY;
}
@Override
public ItemPresentation getPresentation() {
return myPresentation;
}
@Override
public SNodeReference getValue() {
return myPresentation.getNodePointer();
}
@Override
public boolean canNavigate() {
return true;
}
@Override
public boolean canNavigateToSource() {
return true;
}
@Override
public void navigate(boolean b) {
myParent.navigate(getValue());
}
@Override
public int compareTo(@NotNull AspectTreeElement o) {
RelationDescriptor d1 = myAspectDescriptor;
RelationDescriptor d2 = o.myAspectDescriptor;
int r1 = d1.compareTo(d2);
int r2 = d2.compareTo(d1);
if ((r1 == 0) ^ (r2 == 0)) {
return r1 - r2;
}
assert r1 * r2 <= 0 : "can't determine order";
if (r1 != 0) {
return r1;
}
return myNodeConcept.getName().compareTo(o.myNodeConcept.getName());
}
}