Class ButtonLayout 

java.lang.Object
   |
   +----ButtonLayout
public abstract class ButtonLayout
extends Object
Handles the layout of buttons at a specified height in the frame. This will put a button named "done" at the bottom right of the window and any number of buttons at the bottom left and top left, as spcified in addButton().

Author:
Peter Sagerson, petersag@wpi.edu

Variable Index

o bottomButtons
The list of buttons on the left.
o BUFFER
o BUTTON_BUFFER
o BUTTON_HEIGHT
o BUTTON_WIDTH
o done
The done button.
o frame
The dimensions of the frame itself.
o margin
The margin around the window.
o nBottom
Number of buttons that have been added.
o nTop
Number of buttons that have been added.
o topButtons
The list of buttons on the left.

Constructor Index

o ButtonLayout(int, int)
Creates buttons and initializes n and margin.

Method Index

o addButton(String, Component)
Adds a button to the list (or adds the done button).
o calcDimensions(Container)
Calculates frame and margin.
o layoutButtons(Container, int)
Lays out the buttons in the frame.
o removeButton(Component)

Variables

o BUFFER 
 protected static final int BUFFER
o BUTTON_BUFFER 
 protected static final int BUTTON_BUFFER
o BUTTON_HEIGHT 
 protected static final int BUTTON_HEIGHT
o BUTTON_WIDTH 
 protected static final int BUTTON_WIDTH
o nTop 
 int nTop
Number of buttons that have been added.

o nBottom 
 int nBottom
Number of buttons that have been added.

o topButtons 
 Component topButtons[]
The list of buttons on the left.

o bottomButtons 
 Component bottomButtons[]
The list of buttons on the left.

o done 
 Component done
The done button.

o margin 
 protected Insets margin
The margin around the window. Computed in calcDimensions().

o frame 
 protected Dimension frame
The dimensions of the frame itself.

Constructors

o ButtonLayout 
 ButtonLayout(int inTop,
              int inBottom)
Creates buttons and initializes n and margin.

Parameters:
numButtons - the number of buttons that will be added.

Methods

o addButton 
 public void addButton(String name,
                       Component c)
Adds a button to the list (or adds the done button). Buttons other than the done button should be added from left to right as you want them to appear. The done button is named "done". Other buttons are named "bottom" or "top", depending on where you want them to go.

o removeButton 
 public void removeButton(Component c)
o calcDimensions 
 protected void calcDimensions(Container parent)
Calculates frame and margin. Subclasses should override this method, but call this one at the beginning of the new one.

o layoutButtons 
 public void layoutButtons(Container parent,
                           int bottomHeight)
Lays out the buttons in the frame.