Mega Code Archive
Resize columns as table resizes
<![CDATA[
/*******************************************************************************
* 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;
/*
* Table example snippet: resize columns as table resizes
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
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 TableColumnResizeTableResize {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Composite comp = new Composite(shell, SWT.NONE);
final Table table = new Table(comp, SWT.BORDER | SWT.V_SCROLL);
table.setHeaderVisible(true);
table.setLinesVisible(true);
final TableColumn column1 = new TableColumn(table, SWT.NONE);
column1.setText("Column 1");
final TableColumn column2 = new TableColumn(table, SWT.NONE);
column2.setText("Column 2");
for (int i = 0; i < 10; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(new String[] { "item 0" + i, "item 1" + i });
}
comp.addControlListener(new ControlAdapter() {
public void controlResized(ControlEvent e) {
Rectangle area = comp.getClientArea();
Point preferredSize = table.computeSize(SWT.DEFAULT, SWT.DEFAULT);
int width = area.width - 2 * table.getBorderWidth();
if (preferredSize.y > area.height + table.getHeaderHeight()) {
// Subtract the scrollbar width from the total column width
// if a vertical scrollbar will be required
Point vBarSize = table.getVerticalBar().getSize();
width -= vBarSize.x;
}
Point oldSize = table.getSize();
if (oldSize.x > area.width) {
// table is getting smaller so make the columns
// smaller first and then resize the table to
// match the client area width
column1.setWidth(width / 3);
column2.setWidth(width - column1.getWidth());
table.setSize(area.width, area.height);
} else {
// table is getting bigger so make the table
// bigger first and then make the columns wider
// to match the client area width
table.setSize(area.width, area.height);
column1.setWidth(width / 3);
column2.setWidth(width - column1.getWidth());
}
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
]]>