/*
    Project:    Email Chess
    Author:     Matti Kantola
                maza@ee.oulu.fi
                http://www.angelfire.com/nd/maza
    
    Description:
                Vertical layout manager.

    History:    27.7.2000   wrote it
*/

import java.awt.*;
import java.util.*;

public class VerLayout implements LayoutManager
{
    int num=0;
    int hoff,vgap,hsize,vsize;
    int maxy=0;
    Hashtable h;
    
    public VerLayout(int hoff,int hsize,int vgap,int vsize)
    {
        this.hoff=hoff;
        this.hsize=hsize;
        this.vgap=vgap;
        this.vsize=vsize;
    
        h=new Hashtable();
    }
    
    public void setSize(Component comp,int w,int h)
    {
        this.h.put(comp,new Rectangle(w,h));
        maxy-=vgap;
        maxy+=h+(vsize-vgap);
    }

    public void addLayoutComponent(String name, Component comp)
    {
        num++;
        maxy+=vgap;
    }

    public void layoutContainer(Container parent)
    {
        int cy=0;
        
        Component[] comps=parent.getComponents();

        for(int i=0;i<comps.length;i++)
        {
            comps[i].setLocation(hoff,cy);

            Rectangle r=(Rectangle)h.get(comps[i]);

            if(r!=null)
            {
                comps[i].setSize(r.width,r.height);
                cy+=r.height+(vgap-vsize);
            }
            else
            {
                comps[i].setSize(hsize,vsize);
                cy+=vgap;
            }
        }
    } 

    public Dimension minimumLayoutSize(Container parent)
    {
        return new Dimension(hsize,maxy);
    } 

    public Dimension preferredLayoutSize(Container parent)
    {
        return new Dimension(hsize,maxy);
    } 

    public void removeLayoutComponent(Component comp)
    {
    }
}