Reorder columns and reorder columns programmatically
/*
* 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();
}
}
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