org.eclipse.swt.snippets.Snippet106.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet106.java

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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;

/*
 * Table example snippet: insert a table column (at an index)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet106 {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 106");
        shell.setLayout(new RowLayout(SWT.VERTICAL));
        final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
        table.setHeaderVisible(true);
        for (int i = 0; i < 4; i++) {
            TableColumn column = new TableColumn(table, SWT.NONE);
            column.setText("Column " + i);
        }
        final TableColumn[] columns = table.getColumns();
        for (int i = 0; i < 12; i++) {
            TableItem item = new TableItem(table, SWT.NONE);
            for (int j = 0; j < columns.length; j++) {
                item.setText(j, "Item " + i);
            }
        }
        for (int i = 0; i < columns.length; i++)
            columns[i].pack();
        Button button = new Button(shell, SWT.PUSH);
        final int index = 1;
        button.setText("Insert Column " + index + "a");
        button.addListener(SWT.Selection, e -> {
            TableColumn column = new TableColumn(table, SWT.NONE, index);
            column.setText("Column " + index + "a");
            TableItem[] items = table.getItems();
            for (int i = 0; i < items.length; i++) {
                items[i].setText(index, "Item " + i + "a");
            }
            column.pack();
        });
        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}