public boolean isEnabled() {
boolean isEnabled = false;
MapEditorPlugIn mapEditor = null;
if ((mapEditor = getPlugInContext().getMapEditor()) != null) {
MapContext map = (MapContext) mapEditor.getElement().getObject();
ILayer activeLayer = map.getActiveLayer();
if (activeLayer != null && activeLayer.getSelection().length > 0) isEnabled = true;
}
btn.setEnabled(isEnabled);
return isEnabled;
}
public boolean execute(PlugInContext context) throws Exception {
IEditor editor = getPlugInContext().getActiveEditor();
MapContext map = (MapContext) editor.getElement().getObject();
ILayer activeLayer = map.getActiveLayer();
int[] sel = activeLayer.getSelection().clone();
Arrays.sort(sel);
DataSource dataSource = activeLayer.getDataSource();
try {
dataSource.setDispatchingMode(DataSource.STORE);
for (int i = sel.length - 1; i >= 0; i--) {
dataSource.deleteRow(sel[i]);
}
dataSource.setDispatchingMode(DataSource.DISPATCH);
} catch (DriverException e) {
ErrorMessages.error(ErrorMessages.CannotDeleteSelectedRow, e);
}
return true;
}
@Override
protected void polygonDone(com.vividsolutions.jts.geom.Polygon pol, MapContext mc, ToolManager tm)
throws TransitionException {
Geometry g = pol;
if (ToolUtilities.geometryTypeIs(mc, GeometryConstraint.MULTI_POLYGON)) {
g = ToolManager.toolsGeometryFactory.createMultiPolygon(new Polygon[] {pol});
}
SpatialDataSourceDecorator sds = mc.getActiveLayer().getDataSource();
try {
Value[] row = new Value[sds.getMetadata().getFieldCount()];
row[sds.getSpatialFieldIndex()] = ValueFactory.createValue(g);
row = ToolUtilities.populateNotNullFields(sds, row);
sds.insertFilledRow(row);
} catch (DriverException e) {
throw new TransitionException("Cannot insert polygon", e);
}
}