/*
* 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.editor.runtime.cells;
import jetbrains.mps.editor.runtime.style.StyleAttributes;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.selection.Selection;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.ArrayList;
public class ReadOnlyUtil {
public static boolean isCellReadOnly(@NotNull jetbrains.mps.openapi.editor.cells.EditorCell cell) {
return cell.getStyle().get(StyleAttributes.READ_ONLY);
}
public static boolean isCellOrSelectionReadOnlyInEditor(jetbrains.mps.openapi.editor.EditorComponent editorComponent,
@Nullable jetbrains.mps.openapi.editor.cells.EditorCell cell) {
if (editorComponent.isReadOnly()) {
return true;
}
if (cell == null) {
return isSelectionReadOnlyInEditor(editorComponent);
}
return isCellReadOnly(cell);
}
public static boolean isCellsReadOnlyInEditor(jetbrains.mps.openapi.editor.EditorComponent editorComponent,
Iterable<jetbrains.mps.openapi.editor.cells.EditorCell> cells) {
if (editorComponent.isReadOnly()) {
return true;
}
for (jetbrains.mps.openapi.editor.cells.EditorCell cell : cells) {
if (cell == null || isCellReadOnly(cell)) {
return true;
}
}
return false;
}
public static boolean isSelectionReadOnlyInEditor(jetbrains.mps.openapi.editor.EditorComponent editorComponent) {
Selection selection = editorComponent.getSelectionManager().getSelection();
return selection == null || isCellsReadOnlyInEditor(editorComponent, selection.getSelectedCells());
}
public static boolean canDeleteNodes(jetbrains.mps.openapi.editor.EditorComponent editorComponent, Iterable<SNode> nodes) {
ArrayList<EditorCell> cells = new ArrayList<EditorCell>();
for (SNode node : nodes) {
cells.add(editorComponent.findNodeCell(node));
}
return isCellsReadOnlyInEditor(editorComponent, cells);
}
}