/*
* 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.ide.projectPane.logicalview;
import jetbrains.mps.ide.projectPane.ProjectPane;
import jetbrains.mps.ide.ui.tree.MPSTreeNode;
import jetbrains.mps.ide.ui.tree.smodel.SModelTreeNode;
import jetbrains.mps.ide.ui.tree.smodel.SNodeGroupTreeNode;
import jetbrains.mps.ide.ui.tree.smodel.SNodeTreeNode;
import jetbrains.mps.project.Project;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
import javax.swing.tree.DefaultTreeModel;
import java.util.Set;
/**
* Update for SModelTreeNodes based on SModelEvents.
* Extracted from inner class of SModelNodeListeners which now deals with highlighter aspects only.
*/
class ModelStructureUpdate extends SNodeTreeUpdater<SModelTreeNode> {
public ModelStructureUpdate(Project project, SModelTreeNode treeNode) {
super(project, treeNode);
}
@Override
public boolean showPropertiesAndReferences() {
return ProjectPane.getInstance(myProject).showNodeStructure();
}
private SNodeTreeNode findRootSNodeTreeNode(SNode node) {
return findRootSNodeTreeNode(myTreeNode, node);
}
private SNodeTreeNode findRootSNodeTreeNode(MPSTreeNode current, SNode node) {
for (int i = 0; i < current.getChildCount(); i++) {
MPSTreeNode child = (MPSTreeNode) current.getChildAt(i);
if (child instanceof SNodeTreeNode && ((SNodeTreeNode) child).getSNode() == node) {
return (SNodeTreeNode) child;
}
if (child instanceof SNodeGroupTreeNode || child instanceof SModelTreeNode) {
SNodeTreeNode result = findRootSNodeTreeNode(child, node);
if (result != null) {
return result;
}
}
}
return null;
}
@Override
public SModel getSModelDescriptor() {
return myTreeNode.getModel();
}
@Override
public void addAndRemoveRoots(Set<SNode> removedRoots, Set<SNode> addedRoots) {
DefaultTreeModel treeModel = (DefaultTreeModel) getTree().getModel();
for (SNode root : removedRoots) {
SNodeTreeNode node = findRootSNodeTreeNode(root);
if (node == null) continue;
MPSTreeNode parent = (MPSTreeNode) node.getParent();
treeModel.removeNodeFromParent(node);
if (parent instanceof SNodeGroupTreeNode && parent.getChildCount() == 0) {
myTreeNode.groupBecameEmpty((SNodeGroupTreeNode) parent);
}
}
myTreeNode.insertRoots(addedRoots);
}
@Override
public void updateNodesWithChangedPackages(Set<SNode> nodesWithChangedPackages) {
DefaultTreeModel treeModel = (DefaultTreeModel) getTree().getModel();
for (SNode node : nodesWithChangedPackages) {
SNodeTreeNode treeNode = findRootSNodeTreeNode(node);
if (treeNode == null) continue;
MPSTreeNode parent = (MPSTreeNode) treeNode.getParent();
treeModel.removeNodeFromParent(treeNode);
if (parent.getChildCount() == 0 && parent instanceof SNodeGroupTreeNode) {
myTreeNode.groupBecameEmpty((SNodeGroupTreeNode) parent);
}
}
myTreeNode.insertRoots(nodesWithChangedPackages);
}
}