|
Eclipse Platform 2.0 |
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--org.eclipse.swt.custom.ControlEditor | +--org.eclipse.swt.custom.TableEditor
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:
Table table = new Table(parent, SWT.FULL_SELECTION);
TableEditor editor = new TableEditor (table);
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
int index = table.getSelectionIndex ();
if (index == -1) return;
TableItem item = table.getItem (index);
// The control that will be the editor must be a child of the Table
Text text = new Text(table, SWT.NONE);
//The text 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;
// Open the text editor in the second column of the selected row.
editor.setEditor (text, item, 1);
// Assign focus to the text control
text.setFocus ();
}
});
Field Summary |
Fields inherited from class org.eclipse.swt.custom.ControlEditor |
grabHorizontal, grabVertical, horizontalAlignment, minimumHeight, minimumWidth, verticalAlignment |
Constructor Summary | |
TableEditor(Table table)
Creates a TableEditor for the specified Table. |
Method Summary | |
void |
dispose()
Removes all associations between the TableEditor and the cell in the table. |
int |
getColumn()
Returns the zero based index of the column of the cell being tracked by this editor. |
TableItem |
getItem()
Returns the TableItem for the row of the cell being tracked by this editor. |
void |
setColumn(int column)
|
void |
setEditor(Control editor,
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. |
void |
setItem(TableItem item)
|
Methods inherited from class org.eclipse.swt.custom.ControlEditor |
getEditor, setEditor |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public TableEditor(Table table)
table
- the Table Control above which this editor will be displayedMethod Detail |
public void dispose()
dispose
in class ControlEditor
public int getColumn()
public TableItem getItem()
public void setColumn(int column)
public void setItem(TableItem item)
public void setEditor(Control editor, TableItem item, int column)
Note: The Control provided as the editor must be created with its parent being the Table control specified in the TableEditor constructor.
editor
- the Control that is displayed above the cell being editeditem
- the TableItem for the row of the cell being tracked by this editorcolumn
- the zero based index of the column of the cell being tracked by this editor
|
Eclipse Platform 2.0 |
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |