Add action listener to Table Button Cell Editor : Table Editor « SWT « Java Tutorial






Add action listener to Table Button Cell Editor
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ColorDialog;
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;

public class TableEditorButtonActionListener {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Text Table Editor");

    shell.setLayout(new FillLayout());

    final Table table = new Table(shell, SWT.SINGLE | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    for (int i = 0; i < 5; i++) {
      TableColumn column = new TableColumn(table, SWT.CENTER);
      column.setText("Column " + (i + 1));
      column.pack();
    }
    // Create five table editors for color
    TableEditor[] colorEditors = new TableEditor[5];

    // Create five buttons for changing color
    Button[] colorButtons = new Button[5];

    for (int i = 0; i < 5; i++) {
      final TableItem item = new TableItem(table, SWT.NONE);
      colorEditors[i] = new TableEditor(table);
      colorButtons[i] = new Button(table, SWT.PUSH);

      colorButtons[i].setText("Color...");
      colorButtons[i].computeSize(SWT.DEFAULT, table.getItemHeight());

      colorEditors[i].grabHorizontal = true;
      colorEditors[i].minimumHeight = colorButtons[i].getSize().y;
      colorEditors[i].minimumWidth = colorButtons[i].getSize().x;

      colorEditors[i].setEditor(colorButtons[i], item, 0);
      
      colorButtons[i].addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
          ColorDialog dialog = new ColorDialog(shell);
          RGB rgb = dialog.open();
          if (rgb != null) {
            table.setBackground(new Color(shell.getDisplay(), rgb));
          }
        }
      });      
    }
    shell.pack();
    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