/*
* 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.cellActions;
import jetbrains.mps.datatransfer.PasteNodeData;
import jetbrains.mps.datatransfer.PastePlaceHint;
import jetbrains.mps.editor.runtime.cells.AbstractCellAction;
import jetbrains.mps.ide.datatransfer.CopyPasteUtil;
import jetbrains.mps.logging.Logger;
import jetbrains.mps.nodeEditor.EditorComponent;
import jetbrains.mps.nodeEditor.cells.CellFinderUtil;
import jetbrains.mps.nodeEditor.cells.EditorCell_Label;
import jetbrains.mps.nodeEditor.datatransfer.NodePaster;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.openapi.editor.selection.SelectionManager;
import jetbrains.mps.resolve.ResolverComponent;
import jetbrains.mps.smodel.ModelAccess;
import org.apache.log4j.LogManager;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SReference;
import java.util.List;
import java.util.Set;
public class CellAction_PasteNodeRelative extends AbstractCellAction {
private static final Logger LOG = Logger.wrap(LogManager.getLogger(CellAction_PasteNodeRelative.class));
PastePlaceHint myPastePlaceHint;
public CellAction_PasteNodeRelative(boolean pasteBefore) {
myPastePlaceHint = pasteBefore ? PastePlaceHint.BEFORE_ANCHOR : PastePlaceHint.AFTER_ANCHOR;
}
@Override
public boolean canExecute(EditorContext context) {
EditorCell selectedCell = context.getSelectedCell();
if (selectedCell == null) {
return false;
}
SNode anchorNode = selectedCell.getSNode();
if (anchorNode == null) {
return false;
}
List<SNode> pasteNodes = CopyPasteUtil.getNodesFromClipboard(anchorNode.getModel());
if (pasteNodes == null || pasteNodes.isEmpty()) {
return false;
}
if (!new NodePaster(pasteNodes).canPasteRelative(anchorNode)) {
LOG.debug("Couldn't paste node relative");
return false;
}
return true;
}
@Override
public void execute(EditorContext context) {
LOG.assertLog(context.getRepository().getModelAccess().isCommandAction(), "This action must be performed in command");
EditorComponent editorComponent = (EditorComponent) context.getEditorComponent();
EditorCell selectedCell = editorComponent.getSelectedCell();
SNode anchorNode = selectedCell.getSNode();
PasteNodeData pasteNodeData = CopyPasteUtil.getPasteNodeDataFromClipboard(anchorNode.getModel());
if (pasteNodeData == null || pasteNodeData.getNodes().isEmpty()) {
return;
}
List<SNode> pasteNodes = pasteNodeData.getNodes();
Set<SReference> requireResolveReferences = pasteNodeData.getRequireResolveReferences();
new NodePaster(pasteNodes).pasteRelative(anchorNode, myPastePlaceHint);
ResolverComponent.getInstance().resolveScopesOnly(requireResolveReferences, context.getRepository());
// set selection
editorComponent.getUpdater().flushModelEvents();
EditorCell nodeCell = editorComponent.findNodeCell(pasteNodes.get(0));
if (nodeCell == null) return; // after 'set reference'?
EditorCell_Label labelCell = CellFinderUtil.findChildByClass(nodeCell, EditorCell_Label.class, true);
if (labelCell != null) {
editorComponent.changeSelection(labelCell);
}
if (pasteNodes.size() == 1) {
editorComponent.pushSelection(nodeCell);
} else {
SelectionManager selectionManager = editorComponent.getSelectionManager();
selectionManager.pushSelection(selectionManager.createRangeSelection(pasteNodes.get(0), pasteNodes.get(pasteNodes.size() - 1)));
}
}
}