/*******************************************************************************
* Copyright 2012 University of Southern California
*
* 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.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
/**
*
*/
package edu.isi.karma.controller.command.worksheet;
import edu.isi.karma.controller.command.CommandException;
import edu.isi.karma.controller.command.CommandType;
import edu.isi.karma.controller.command.WorksheetSelectionCommand;
import edu.isi.karma.controller.command.selection.SuperSelection;
import edu.isi.karma.controller.update.NodeChangedUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.controller.update.WorksheetUpdateFactory;
import edu.isi.karma.rep.CellValue;
import edu.isi.karma.rep.Node;
import edu.isi.karma.rep.StringCellValue;
import edu.isi.karma.rep.Workspace;
/**
* @author szekely
*
*/
public class EditCellCommand extends WorksheetSelectionCommand {
private final String nodeIdArg;
private CellValue previousValue = null;
private Node.NodeStatus previousStatus;
private final CellValue newValueArg;
EditCellCommand(String id, String worksheetId, String nodeIdArg,
String newValueArg, String selectionId) {
super(id, worksheetId, selectionId);
this.nodeIdArg = nodeIdArg;
this.newValueArg = new StringCellValue(newValueArg);
}
@Override
public String getCommandName() {
return this.getClass().getSimpleName();
}
public CellValue getNewValueArg() {
return newValueArg;
}
public CellValue getPreviousValue() {
return previousValue;
}
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
Node node = workspace.getFactory().getNode(nodeIdArg);
SuperSelection sel = getSuperSelection(workspace);
inputColumns.clear();
outputColumns.clear();
inputColumns.add(node.getHNodeId());
outputColumns.add(node.getHNodeId());
previousValue = node.getValue();
previousStatus = node.getStatus();
if (node.hasNestedTable()) {
throw new CommandException(this, "Cell " + nodeIdArg
+ " has a nested table. It cannot be edited.");
}
node.setValue(newValueArg, Node.NodeStatus.edited,
workspace.getFactory());
WorksheetUpdateFactory.detectSelectionStatusChange(worksheetId, workspace, this);
UpdateContainer uc = WorksheetUpdateFactory.createWorksheetHierarchicalAndCleaningResultsUpdates(worksheetId, sel);
uc.add(new NodeChangedUpdate(worksheetId,
nodeIdArg, newValueArg, Node.NodeStatus.edited));
return uc;
}
@Override
public UpdateContainer undoIt(Workspace workspace) {
Node node = workspace.getFactory().getNode(nodeIdArg);
SuperSelection sel = getSuperSelection(workspace);
node.setValue(previousValue, previousStatus, workspace.getFactory());
UpdateContainer uc = WorksheetUpdateFactory.createWorksheetHierarchicalAndCleaningResultsUpdates(worksheetId, sel);
uc.add(new NodeChangedUpdate(worksheetId,
nodeIdArg, previousValue, previousStatus));
return uc;
}
@Override
public String getTitle() {
return "Edit Cell";
}
@Override
public String getDescription() {
if (isExecuted()) {
if (newValueArg.asString().length() > 20)
return "Set value to "
+ newValueArg.asString().substring(0, 19) + "...";
return "Set value to " + newValueArg.asString();
}
return "";
}
@Override
public CommandType getCommandType() {
return CommandType.undoable;
}
}