Center Layout : Customized Layout « Swing JFC « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » Swing JFC » Customized LayoutScreenshots 
Center Layout
    
/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The Lobo Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: lobochief@users.sourceforge.net
*/
/*
 * Created on Mar 19, 2005
 */

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.LayoutManager;

/**
 @author J. H. S.
 */
public class CenterLayout implements LayoutManager {
    public void addLayoutComponent(String arg0, Component arg1) {
    }

    public void removeLayoutComponent(Component arg0) {
    }

    public Dimension preferredLayoutSize(Container arg0) {
      java.awt.Insets insets = arg0.getInsets();
        int count = arg0.getComponentCount();
        if(count > 0) {
            Dimension d = arg0.getComponent(0).getPreferredSize();
            return new Dimension(d.width + insets.left + insets.right,
                           d.height + insets.top + insets.bottom);
        }
        else {
            return new Dimension(insets.left + insets.right, insets.top + insets.bottom);
        }
    }

    /* (non-Javadoc)
     * @see java.awt.LayoutManager#minimumLayoutSize(java.awt.Container)
     */
    public Dimension minimumLayoutSize(Container arg0) {
      java.awt.Insets insets = arg0.getInsets();
        int count = arg0.getComponentCount();
        if(count > 0) {
            Dimension d = arg0.getComponent(0).getMinimumSize();
            return new Dimension(d.width + insets.left + insets.right,
               d.height + insets.top + insets.bottom);
        }
        else {
            return new Dimension(insets.left + insets.right, insets.top + insets.bottom);
        }
    }

    /* (non-Javadoc)
     * @see java.awt.LayoutManager#layoutContainer(java.awt.Container)
     */
    public void layoutContainer(Container container) {
        int count = container.getComponentCount();
        if(count > 0) {
            Component child = container.getComponent(0)
            java.awt.Insets insets = container.getInsets();
            int availWidth = container.getWidth() - insets.left - insets.right;
            int availHeight = container.getHeight() - insets.top - insets.bottom;
            Dimension preferredSize = child.getPreferredSize();
            double preferredWidth = preferredSize.getWidth();
            double preferredHeight = preferredSize.getHeight();
            int width;
            int height;
            int x;
            int y;
            if(preferredWidth < availWidth) {
              x = (intMath.round(insets.left + (availWidth - preferredWidth2);
              width = (intMath.round(preferredWidth);
            }
            else {
              x = insets.left;
              width = availWidth;
            }
            if(preferredHeight < availHeight) {
              y = (intMath.round(insets.top + (availHeight - preferredHeight2);
              height = (intMath.round(preferredHeight);
            }
            else {
              y = insets.top;
              height = availHeight;
            }
            child.setBounds(x, y, width, height);
        }
    }
    
    private static CenterLayout instance = new CenterLayout();
    
    public static CenterLayout getInstance() {
      return instance;
    }
}

   
    
    
    
  
Related examples in the same category
1.Custom layout: EdgeLayout
2.Customized layout managerCustomized layout manager
3.ColumnLayoutColumnLayout
4.Applet GUI demo of TreeLayout layout manager
5.Relative Layout Manager for Java J2SE
6.Basically two (or more) columns of different, but constant, widths
7.GraphPaperLayoutGraphPaperLayout
8.Table Layout
9.Table Layout implements LayoutManager2
10.Table layout manager
11.Flex Layout
12.Square Layout
13.Wrapper Layout
14.Tile Layout
15.Custom Layout DemoCustom Layout Demo
16.X Y Layout
17.DividerLayout is layout that divides two components with the column of actions
18.Stack Layout, uses an orientation to determine if the contents should be arranged horizontally or vertically.
19.A simple layoutmanager to overlay all components of a parent.
20.A layout manager that displays a single component in the center of its container.
21.A layout manager that spaces components over six columns in seven different formats.
22.Compents are laid out in a circle.
23.Special simple layout used in TabbedContainer
24.Place components at exact locations (x, y, width, height) and then determine how they behave when the window containing them (their parent) is resized
25.Specialised layout manager for a grid of components.
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.