/*
* Copyright 2003-2011 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.folding;
import jetbrains.mps.editor.runtime.cells.AbstractCellAction;
import jetbrains.mps.nodeEditor.cells.CellFinderUtil;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.cells.EditorCell_Collection;
import org.jetbrains.mps.util.Condition;
/**
* User: Alexander Shatalin
* Date: 05.10.2010
*/
public class CallAction_ToggleCellFolding extends AbstractCellAction {
public CallAction_ToggleCellFolding() {
super(false);
}
@Override
public boolean canExecute(EditorContext context) {
return findCell(context.getSelectedCell()) != null;
}
@Override
public void execute(EditorContext context) {
EditorCell_Collection targetCell = findCell(context.getSelectedCell());
if (targetCell.isCollapsed()) {
targetCell.unfold();
} else {
targetCell.fold();
}
}
private static EditorCell_Collection findCell(EditorCell editorCell) {
if (editorCell == null) {
return null;
}
return CellFinderUtil.findParent(editorCell, new Condition<EditorCell_Collection>() {
@Override
public boolean met(EditorCell_Collection object) {
return object.isCollapsed() || object.isFoldable();
}
});
}
}