/*
* 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.nodeEditor.selectionRestoring;
import jetbrains.mps.editor.runtime.selection.SelectionUtil;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.selection.SelectionManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SNode;
/**
* @author simon
*/
public class RestorableSelectionByNode implements RestorableSelection{
private final @NotNull SNode myNode;
private SelectionAnchor myAnchor;
public RestorableSelectionByNode(@NotNull SNode node){
myNode = node;
}
public RestorableSelectionByNode(@NotNull SNode node, SelectionAnchor anchor){
myNode = node;
myAnchor = anchor;
}
@Override
public boolean restore(EditorContext editorContext) {
if (myAnchor == null) {
editorContext.getSelectionManager().setSelection(myNode);
} else {
switch (myAnchor) {
case START:
SelectionUtil.selectLabelCellAnSetCaret(editorContext, myNode, SelectionManager.FIRST_CELL, 0);
break;
case END:
SelectionUtil.selectLabelCellAnSetCaret(editorContext, myNode, SelectionManager.LAST_CELL, -1);
}
}
return editorContext.getSelectionManager().getSelection() != null;
}
public enum SelectionAnchor {
START,
END
}
}