Edit the text of a table item (in place) : Table Editor « SWT « Java Tutorial

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Java Tutorial » SWT » Table Editor 
17. 54. 7. Edit the text of a table item (in place)
Edit the text of a table item (in place)
/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
//package org.eclipse.swt.snippets;
/*
 * TableEditor example snippet: edit the text of a table item (in place)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;

public class TableItemEditor {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    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 = (TableIteme.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 me) {
            Text text = (Texteditor.getEditor();
            editor.getItem().setText(EDITABLECOLUMN, text.getText());
          }
        });
        newEditor.selectAll();
        newEditor.setFocus();
        editor.setEditor(newEditor, item, EDITABLECOLUMN);
      }
    });
    shell.setSize(300300);
    shell.open();

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }

}
17. 54. Table Editor
17. 54. 1. Using TableEditorUsing TableEditor
17. 54. 2. Placing the Text Editor after mouse click and exchange data between table cell and editorPlacing the Text Editor after mouse click and exchange data between table cell and editor
17. 54. 3. Add selection listener to TableCursorAdd selection listener to TableCursor
17. 54. 4. Table Cell Editor: Combo, Text and ButtonTable Cell Editor: Combo, Text and Button
17. 54. 5. Add action listener to Table Button Cell EditorAdd action listener to Table Button Cell Editor
17. 54. 6. TableEditor: tab and escape eventTableEditor: tab and escape event
17. 54. 7. Edit the text of a table item (in place)Edit the text of a table item (in place)
17. 54. 8. Install Table Editor when navigating the Table CursorInstall Table Editor when navigating the Table Cursor
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