org.zaval.lw
Class LwRender

java.lang.Object
  |
  +--org.zaval.util.ValidationObject
        |
        +--org.zaval.lw.LwView
              |
              +--org.zaval.lw.LwRender

All Implemented Interfaces:

Validationable

Direct Known Subclasses:

LwCompRender, LwImgRender, LwTextRender

public abstract class LwRender

extends LwView

This abstract class is used as base for lightweight renders implementations. The main purpose of a render is to provide face for an object (text, image and so on). So, to create own render it is necessary to inherit the class and implement paint method of the new class.

Fields inherited from class org.zaval.lw.LwView

MOSAIC, ORIGINAL, STRETCH

Fields inherited from class org.zaval.util.ValidationObject

isValidFlag

Constructor Summary

LwRender(java.lang.Object target)
Constructs the render with the specified target component that should be rendered.

LwRender(java.lang.Object target, int type)
Constructs the render with the specified target component that should be rendered and the specified view type.

Method Summary

java.lang.Object	getTarget() Gets the target object.
void	setTarget(java.lang.Object o) Sets the specified target object.
protected void	targetWasChanged(java.lang.Object o, java.lang.Object n) Invoked whenever the target object has been set.

Methods inherited from class org.zaval.lw.LwView

calcPreferredSize, getInsets, getPreferredSize, getType, ownerChanged, paint, paint, recalc, setType

Methods inherited from class org.zaval.util.ValidationObject

invalidate, isValid, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LwRender

public LwRender(java.lang.Object target)

Constructs the render with the specified target component that should be rendered. The constructor sets ORIGINAL view type.

Parameters:

target - the target component.

LwRender

public LwRender(java.lang.Object target,
                int type)

Constructs the render with the specified target component that should be rendered and the specified view type.

Parameters:

target - the target component to be rendered.

type - the specified view type.

Method Detail

getTarget

public java.lang.Object getTarget()

Gets the target object.

Returns:

a target object.

setTarget

public void setTarget(java.lang.Object o)

Sets the specified target object.

Parameters:

o - the target object.

targetWasChanged

protected void targetWasChanged(java.lang.Object o,
                                java.lang.Object n)

Invoked whenever the target object has been set. The method can be overrided if the render wants to be notified about re-setting the target object.

Parameters:

o - the old target object.

n - the new target object.