/*
* GISToolkit - Geographical Information System Toolkit
* (C) 2002, Ithaqua Enterprises Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package gistoolkit.application.command;
import gistoolkit.application.*;
import gistoolkit.features.Record;
import gistoolkit.display.Layer;
import gistoolkit.display.drawmodel.SelectDrawModel;
/**
* Command to delete the selected items from their current data source and insert them into another data source.
*/
public class CutCommand extends SimpleCommand{
/** The identifying name for this command */
public static String getName(){return "Cut";}
/**
* CutCommand constructor comment.
*/
public CutCommand(GISEditor inEditor) {
super(getName(), getIcon("Cut24.gif"), inEditor);
putValue(SHORT_DESCRIPTION, "Cut Records and copy to the clipboard");
putValue(LONG_DESCRIPTION, "Delete the records from the current layer, and copy them to the clipboard for insertion into another layer.");
}
/** Execute the cut command */
public void execute(){
// determine if there is a current selection
try{
if (getGISDisplay() != null){
if (getGISDisplay().getDrawModel() != null){
if (getGISDisplay().getDrawModel() instanceof SelectDrawModel){
SelectDrawModel tempSelectDrawModel = (SelectDrawModel) getGISDisplay().getDrawModel();
Record[] tempRecords = tempSelectDrawModel.getSelectedRecords();
if (tempRecords != null){
Layer tempSelectedLayer = getGISDisplay().getSelectedLayer();
if (tempSelectedLayer != null){
// If the layer is updateable, then delete the records
if (tempSelectedLayer.isUpdateable()){
for (int i=0; i<tempRecords.length; i++){
tempSelectedLayer.delete(tempRecords[i]);
}
}
// The layer is not updateable, so show an information message.
else{
showInformation("Layer Not Updatable", "Can Not Cut, a Copy will be performed");
}
// copy the records to a place where they can be retrieved.
getGISEditor().setCopyBuffer(tempRecords);
getGISDisplay().redraw();
tempSelectDrawModel.reset();
}
}
}
}
}
}
catch (Exception e){
showError(e);
}
}
}