Issue in editing in Tableviewer - eclipse-plugin

Question

I created a table-viewer with two columns in it.first column name is "Fristname" and second column name "lastname". I added editor support to both the columns but i able to do edit/select only in the first column. In my second column not able to do editing/selecting. Don't know why some one please help me? Following is the code snippet.
public class ViewPart1 extends ViewPart {
public ViewPart1() {
// TODO Auto-generated constructor stub
}
private ResourceManager resourceManager = new LocalResourceManager(
JFaceResources.getResources());
#Override
public void createPartControl(Composite parent) {
// re-use an existing image
final Image image = FieldDecorationRegistry.getDefault()
.getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION)
.getImage();
TableViewer tblView = new TableViewer(parent);
final Table table = tblView.getTable();
table.setHeaderVisible(true);
table.setLinesVisible(true);
TableViewerColumn fn = new TableViewerColumn(tblView, SWT.BORDER, 0);
fn.getColumn().setWidth(150);
fn.getColumn().setText("Firstname");
fn.setLabelProvider(new ColumnLabelProvider() {
#Override
public String getText(Object element) {
Person p = (Person) element;
return p.getFirstName();
}
#Override
public Image getImage(Object element) {
return image;
}
});
// fn.setEditingSupport(new EditColumn(tblView));
fn = new TableViewerColumn(tblView, SWT.BORDER, 1);
fn.getColumn().setWidth(150);
fn.getColumn().setText("Last name");
fn.setLabelProvider(new ColumnLabelProvider() {
#Override
public String getText(Object element) {
Person p = (Person) element;
return p.getLastNAme();
}
#Override
public Image getImage(Object element) {
return image;
}
});
// fn.setEditingSupport(new EditColumn(tblView));
tblView.setContentProvider(new QContentProvider());
ArrayList<Person> list = new ArrayList<Person>();
list.add(new Person("a", "b"));
list.add(new Person("C", "D"));
tblView.setInput(list);
tblView.refresh();
}
#Override
public void setFocus() {
// TODO Auto-generated method stub
}
}
Below EditColumn class Code
public class EditColumn extends EditingSupport {
private final TableViewer viewer;
private final CellEditor editor;
public EditColumn(TableViewer viewer) {
super(viewer);
this.viewer = viewer;
this.editor = new TextCellEditor(viewer.getTable());
}
#Override
protected boolean canEdit(Object element) {
System.out.println("can edit");
return true;
}
#Override
protected CellEditor getCellEditor(Object element) {
return editor;
}
#Override
protected Object getValue(Object element) {
// TODO Auto-generated method stub
return ((Person) element).getFirstName();
}
#Override
protected void setValue(Object element, Object value) {
((Person) element).setFirstName(String.valueOf(value));
viewer.update(element, null);
}
}

Answer 1

Your EditColumn class is always using the getFirstName and setFirstName methods of Person so although you can edit the last name column you are not using the correct values.
You need to use different EditingSupport classes for each column.