java.lang.Object
org.eclipse.swt.custom.ControlEditor
org.eclipse.swt.custom.TableEditor
- public class TableEditor
- extends ControlEditor
A TableEditor is a manager for a Control that appears above a cell in a Table and tracks with the
moving and resizing of that cell. It can be used to display a text widget above a cell
in a Table so that the user can edit the contents of that cell. It can also be used to display
a button that can launch a dialog for modifying the contents of the associated cell.
Here is an example of using a TableEditor:
final Table table = new Table(shell, SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
TableColumn column1 = new TableColumn(table, SWT.NONE);
TableColumn column2 = new TableColumn(table, SWT.NONE);
for (int i = 0; i < 10; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(new String[] {"item " + i, "edit this value"});
}
column1.pack();
column2.pack();
final TableEditor editor = new TableEditor(table);
//The editor must have the same size as the cell and must
//not be any smaller than 50 pixels.
editor.horizontalAlignment = SWT.LEFT;
editor.grabHorizontal = true;
editor.minimumWidth = 50;
// editing the second column
final int EDITABLECOLUMN = 1;
table.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
// Clean up any previous editor control
Control oldEditor = editor.getEditor();
if (oldEditor != null) oldEditor.dispose();
// Identify the selected row
TableItem item = (TableItem)e.item;
if (item == null) return;
// The control that will be the editor must be a child of the Table
Text newEditor = new Text(table, SWT.NONE);
newEditor.setText(item.getText(EDITABLECOLUMN));
newEditor.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
Text text = (Text)editor.getEditor();
editor.getItem().setText(EDITABLECOLUMN, text.getText());
}
});
newEditor.selectAll();
newEditor.setFocus();
editor.setEditor(newEditor, item, EDITABLECOLUMN);
}
});
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
table
org.eclipse.swt.widgets.Table table
item
org.eclipse.swt.widgets.TableItem item
column
int column
columnListener
org.eclipse.swt.events.ControlListener columnListener
TableEditor
public TableEditor(org.eclipse.swt.widgets.Table table)
- Creates a TableEditor for the specified Table.
computeBounds
org.eclipse.swt.graphics.Rectangle computeBounds()
- Overrides:
computeBounds in class ControlEditor
dispose
public void dispose()
- Removes all associations between the TableEditor and the cell in the table. The
Table and the editor Control are not disposed.
- Overrides:
dispose in class ControlEditor
getColumn
public int getColumn()
- Returns the zero based index of the column of the cell being tracked by this editor.
getItem
public org.eclipse.swt.widgets.TableItem getItem()
- Returns the TableItem for the row of the cell being tracked by this editor.
setColumn
public void setColumn(int column)
setItem
public void setItem(org.eclipse.swt.widgets.TableItem item)
setEditor
public void setEditor(org.eclipse.swt.widgets.Control editor,
org.eclipse.swt.widgets.TableItem item,
int column)
- Specify the Control that is to be displayed and the cell in the table that it is to be positioned above.
Note: The Control provided as the editor must be created with its parent being the Table control
specified in the TableEditor constructor.
resize
void resize()
- Overrides:
resize in class ControlEditor
JAVADOC | 
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