GObjectParent

All Known Implementing Classes:

Breadboard, GCompound, GSpaceship, GTurtle
```
public interface GObjectParent
```
Interface required of objects that hold a collection of GObjects

Author:

paul oser

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`sendBackward(GObject gObj)`	Swaps the z-orders of the specified GObject and the object immediately "below" it.
`void`	`sendForward(GObject gObj)`	Swaps the z-orders of the specified GObject and the object immediately "below" it.
`void`	`sendToBack(GObject gObj)`	Moves the specified object "below" all other GObjects on the breadboard
`void`	`sendToFront(GObject gObj)`	Moves the specified object "on top" of all other GObjects on the breadboard
`void`	`updateDisplay()`	updates display of containing breadboard (should be called when any contained GObject changes state)

- Method Detail
  - updateDisplay
```
void updateDisplay()
```
    updates display of containing breadboard (should be called when any contained GObject changes state)
  - sendForward
```
void sendForward(GObject gObj)
```
    Swaps the z-orders of the specified GObject and the object immediately "below" it.
    
    Parameters:
    
    gObj - the specified GObject
  - sendBackward
```
void sendBackward(GObject gObj)
```
    Swaps the z-orders of the specified GObject and the object immediately "below" it.
    
    Parameters:
    
    gObj - the specified GObject
  - sendToFront
```
void sendToFront(GObject gObj)
```
    Moves the specified object "on top" of all other GObjects on the breadboard
    
    Parameters:
    
    gObj - the specified GObject
  - sendToBack
```
void sendToBack(GObject gObj)
```
    Moves the specified object "below" all other GObjects on the breadboard
    
    Parameters:
    
    gObj - the specified GObject