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/*******************************************************************************
* Copyright (c) 2000, 2016 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
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* TableEditor example snippet: edit a cell in a table (in place, fancy)
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet124 {
public static void main (String[] args) {
Display display = new Display ();
Shell shell = new Shell (display);
shell.setText("Snippet 124");
shell.setLayout (new FillLayout ());
final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
table.setLinesVisible (true);
for (int i=0; i<3; i++) {
TableColumn column = new TableColumn (table, SWT.NONE);
column.setWidth(100);
}
for (int i=0; i<3; i++) {
TableItem item = new TableItem (table, SWT.NONE);
item.setText(new String [] {"" + i, "" + i , "" + i});
}
final TableEditor editor = new TableEditor (table);
editor.horizontalAlignment = SWT.LEFT;
editor.grabHorizontal = true;
table.addListener (SWT.MouseDown, event -> {
Rectangle clientArea = table.getClientArea ();
Point pt = new Point (event.x, event.y);
int index = table.getTopIndex ();
while (index < table.getItemCount ()) {
boolean visible = false;
final TableItem item = table.getItem (index);
for (int i=0; i<table.getColumnCount (); i++) {
Rectangle rect = item.getBounds (i);
if (rect.contains (pt)) {
final int column = i;
final Text text = new Text (table, SWT.NONE);
Listener textListener = e -> {
switch (e.type) {
case SWT.FocusOut:
item.setText (column, text.getText ());
text.dispose ();
break;
case SWT.Traverse:
switch (e.detail) {
case SWT.TRAVERSE_RETURN:
item.setText (column, text.getText ());
//FALL THROUGH
case SWT.TRAVERSE_ESCAPE:
text.dispose ();
e.doit = false;
}
break;
}
};
text.addListener (SWT.FocusOut, textListener);
text.addListener (SWT.Traverse, textListener);
editor.setEditor (text, item, i);
text.setText (item.getText (i));
text.selectAll ();
text.setFocus ();
return;
}
if (!visible && rect.intersects (clientArea)) {
visible = true;
}
}
if (!visible) return;
index++;
}
});
shell.pack ();
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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