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/*******************************************************************************
* Copyright (c) 2000, 2016 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;
import java.text.*;
import java.util.*;
/*
* Table example snippet: sort a table by column
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.2
*/
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet2 {
public static void main (String [] args) {
Display display = new Display ();
Shell shell = new Shell (display);
shell.setLayout(new FillLayout());
final Table table = new Table(shell, SWT.BORDER);
table.setHeaderVisible(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");
TableItem item = new TableItem(table, SWT.NONE);
item.setText(new String[] {"a", "3"});
item = new TableItem(table, SWT.NONE);
item.setText(new String[] {"b", "2"});
item = new TableItem(table, SWT.NONE);
item.setText(new String[] {"c", "1"});
column1.setWidth(100);
column2.setWidth(100);
Listener sortListener = e -> {
TableItem[] items = table.getItems();
Collator collator = Collator.getInstance(Locale.getDefault());
TableColumn column = (TableColumn)e.widget;
int index = column == column1 ? 0 : 1;
for (int i = 1; i < items.length; i++) {
String value1 = items[i].getText(index);
for (int j = 0; j < i; j++){
String value2 = items[j].getText(index);
if (collator.compare(value1, value2) < 0) {
String[] values = {items[i].getText(0), items[i].getText(1)};
items[i].dispose();
TableItem item1 = new TableItem(table, SWT.NONE, j);
item1.setText(values);
items = table.getItems();
break;
}
}
}
table.setSortColumn(column);
};
column1.addListener(SWT.Selection, sortListener);
column2.addListener(SWT.Selection, sortListener);
table.setSortColumn(column1);
table.setSortDirection(SWT.UP);
shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, 300);
shell.open();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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