Add ProgressBar to table cell (Column) : Table Renderer « SWT « Java Tutorial

Home
Java Tutorial
1.Language
2.Data Type
3.Operators
4.Statement Control
5.Class Definition
6.Development
7.Reflection
8.Regular Expressions
9.Collections
10.Thread
11.File
12.Generics
13.I18N
14.Swing
15.Swing Event
16.2D Graphics
17.SWT
18.SWT 2D Graphics
19.Network
20.Database
21.Hibernate
22.JPA
23.JSP
24.JSTL
25.Servlet
26.Web Services SOA
27.EJB3
28.Spring
29.PDF
30.Email
31.J2ME
32.J2EE Application
33.XML
34.Design Pattern
35.Log
36.Security
37.Apache Common
38.Ant
39.JUnit
Java Tutorial » SWT » Table Renderer 




Add ProgressBar to table cell (Column)
/*******************************************************************************
 * Copyright (c) 2000, 2006 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: Draw a bar graph
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 
 * @since 3.2
 */

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
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 TableCellProgressBar {

  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    shell.setText("Show results as a bar chart in Table");
    final Table table = new Table(shell, SWT.BORDER);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    TableColumn column1 = new TableColumn(table, SWT.NONE);
    column1.setText("Bug Status");
    column1.setWidth(100);
    final TableColumn column2 = new TableColumn(table, SWT.NONE);
    column2.setText("Percent");
    column2.setWidth(200);
    String[] labels = new String[] { "Resolved""New""Won't Fix""Invalid" };
    for (int i = 0; i < labels.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(labels[i]);
    }

    /*
     * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
     * Therefore, it is critical for performance that these methods be as
     * efficient as possible.
     */
    table.addListener(SWT.PaintItem, new Listener() {
      int[] percents = new int[] { 5030515 };

      public void handleEvent(Event event) {
        if (event.index == 1) {
          GC gc = event.gc;
          TableItem item = (TableItemevent.item;
          int index = table.indexOf(item);
          int percent = percents[index];
          Color foreground = gc.getForeground();
          Color background = gc.getBackground();
          gc.setForeground(display.getSystemColor(SWT.COLOR_RED));
          gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
          int width = (column2.getWidth() 1* percent / 100;
          gc.fillGradientRectangle(event.x, event.y, width, event.height, true);
          Rectangle rect2 = new Rectangle(event.x, event.y, width - 1, event.height - 1);
          gc.drawRectangle(rect2);
          gc.setForeground(display.getSystemColor(SWT.COLOR_LIST_FOREGROUND));
          String text = percent + "%";
          Point size = event.gc.textExtent(text);
          int offset = Math.max(0(event.height - size.y2);
          gc.drawText(text, event.x + 2, event.y + offset, true);
          gc.setForeground(background);
          gc.setBackground(foreground);
        }
      }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}














17.55.Table Renderer
17.55.1.Make text span multiple columnsMake text span multiple columns
17.55.2.Place a progress bar in a tablePlace a progress bar in a table
17.55.3.Draw a custom gradient selectionDraw a custom gradient selection
17.55.4.Add ProgressBar to table cell (Column)Add ProgressBar to table cell (Column)
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.