Snippet181.java Source code

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Here is the source code for Snippet181.java

Source

/*
 * Allow user to reorder columns and reorder columns programmatically.
 * 
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
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 Snippet181 {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setLayout(new RowLayout(SWT.HORIZONTAL));
        final Table table = new Table(shell, SWT.BORDER | SWT.CHECK);
        table.setLayoutData(new RowData(-1, 300));
        table.setHeaderVisible(true);
        TableColumn column = new TableColumn(table, SWT.LEFT);
        column.setText("Column 0");
        column = new TableColumn(table, SWT.CENTER);
        column.setText("Column 1");
        column = new TableColumn(table, SWT.CENTER);
        column.setText("Column 2");
        column = new TableColumn(table, SWT.CENTER);
        column.setText("Column 3");
        column = new TableColumn(table, SWT.CENTER);
        column.setText("Column 4");
        for (int i = 0; i < 100; i++) {
            TableItem item = new TableItem(table, SWT.NONE);
            String[] text = new String[] { i + " 0", i + " 1", i + " 2", i + " 3", i + " 4" };
            item.setText(text);
        }
        Listener listener = new Listener() {
            public void handleEvent(Event e) {
                System.out.println("Move " + e.widget);
            }
        };
        TableColumn[] columns = table.getColumns();
        for (int i = 0; i < columns.length; i++) {
            columns[i].pack();
            columns[i].setMoveable(true);
            columns[i].addListener(SWT.Move, listener);
        }
        Button b = new Button(shell, SWT.PUSH);
        b.setText("invert column order");
        b.addListener(SWT.Selection, new Listener() {
            public void handleEvent(Event e) {
                int[] order = table.getColumnOrder();
                for (int i = 0; i < order.length / 2; i++) {
                    int temp = order[i];
                    order[i] = order[order.length - i - 1];
                    order[order.length - i - 1] = temp;
                }
                table.setColumnOrder(order);
            }
        });
        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}