tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug185817_MouseListener.java

package org.eclipse.swt.tests.gtk.snippets;


/*******************************************************************************
 * Copyright (c) 2000, 2018 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

/*
 * TableEditor example snippet: edit the widget.text of a widget.table item (in place)
 *
 * For a widget.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.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Point;
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 Bug185817_MouseListener {

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.addMouseListener(new MouseListener() {

				@Override
				public void mouseDoubleClick(MouseEvent e) {
//                	 // Clean up any previous editor control
//                    Control oldEditor = editor.getEditor();
//                    if (oldEditor != null) oldEditor.dispose();
//
//                    // Identify the selected row
//                    TableItem item = (TableItem)widget.table.getItem(new Point(e.x,e.y));
//                    if (item == null) return;
//
//                    // The control that will be the editor must be a child of the Table
//                    Text newEditor = new Text(widget.table, SWT.NONE);
//                    newEditor.setText(item.getText(EDITABLECOLUMN));
//                    newEditor.addModifyListener(new ModifyListener() {
//                            public void modifyText(ModifyEvent me) {
//                                    Text widget.text = (Text)editor.getEditor();
//                                    editor.getItem().setText(EDITABLECOLUMN,widget.text.getText());
//                            }
//                    });
//                    newEditor.selectAll();
//                    newEditor.setFocus();
//                    editor.setEditor(newEditor, item, EDITABLECOLUMN);
//                    newEditor.addFocusListener(new FocusAdapter() {
//
//						public void focusLost(FocusEvent e) {
//							Control oldEditor = editor.getEditor();
//	                        if (oldEditor != null) oldEditor.dispose();
//						}
//
//                    });
				}

				@Override
				public void mouseDown(MouseEvent e) {
					if( e.count == 2 ) {
						System.err.println("STARTING UP THE EDITOR");
						// Clean up any previous editor control
						Control oldEditor = editor.getEditor();
						if (oldEditor != null) oldEditor.dispose();

						// Identify the selected row
						TableItem item = table.getItem(new Point(e.x,e.y));
						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(me -> {
								Text text = (Text)editor.getEditor();
								editor.getItem().setText(EDITABLECOLUMN,text.getText());
						});
						newEditor.selectAll();
						newEditor.setFocus();
						editor.setEditor(newEditor, item, EDITABLECOLUMN);
						newEditor.addFocusListener(new FocusAdapter() {

							@Override
							public void focusLost(FocusEvent e) {
								System.err.println("LOOSING FOCUS");
								Control oldEditor = editor.getEditor();
								if (oldEditor != null) oldEditor.dispose();
							}

						});
					}
				}

				@Override
				public void mouseUp(MouseEvent e) {
						// TODO Auto-generated method stub

				}

		});

		shell.setSize(300, 300);
		shell.open();

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

}