com.pedrogomez.renderers

Class Renderer<T>

java.lang.Object

com.pedrogomez.renderers.Renderer<T>

All Implemented Interfaces:

java.lang.Cloneable

public abstract class Renderer<T>
extends java.lang.Object
implements java.lang.Cloneable

Core class in this library. Base class created to work as a root ViewHolder in the classic ListView / Adapter implementation. This entity will be extended by other Renderer classes in order to show items into the screen. A Renderer have to encapsulate the presentation logic for ech row of your ListView/RecyclerView. Every Renderer have inside the view is rendering and the content is using to get the info. If you used to use RecyclerView extensions of this class are going to replace ViewHolder implementations.

Constructor Summary

Constructors

Constructor and Description
Renderer()

Method Summary

Modifier and Type	Method and Description
protected T	getContent()
protected android.content.Context	getContext() Method to access to the current Renderer Context.
android.view.View	getRootView() Method to access the root view rendered in the Renderer.
protected abstract void	hookListeners(android.view.View rootView) Set all the listeners to members mapped in setUpView method.
protected abstract android.view.View	inflate(android.view.LayoutInflater inflater, android.view.ViewGroup parent) Inflate renderer layout.
void	onCreate(T content, android.view.LayoutInflater layoutInflater, android.view.ViewGroup parent) Method called when the renderer is going to be created.
void	onRecycle(T content) Method called when the Renderer has been recycled.
abstract void	render() Method where the presentation logic algorithm have to be declared or implemented.
protected void	setContent(T content) Configures the content stored in the Renderer.
protected abstract void	setUpView(android.view.View rootView) Map all the widgets from the rootView to Renderer members.

Methods inherited from class java.lang.Object

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

Constructor Detail

Renderer

public Renderer()

Method Detail

onCreate

public void onCreate(T content,
                     android.view.LayoutInflater layoutInflater,
                     android.view.ViewGroup parent)

Method called when the renderer is going to be created. This method has the responsibility of inflate the xml layout using the layoutInflater and the parent ViewGroup, set itself to the tag and call setUpView and hookListeners methods.

Parameters:

content - to render. If you are using Renderers with RecyclerView widget the content will be null in this method.

layoutInflater - used to inflate the view.

parent - used to inflate the view.

onRecycle

public void onRecycle(T content)

Method called when the Renderer has been recycled. This method has the responsibility of update the content stored in the renderer.

Parameters:

content - to render.

getRootView

public android.view.View getRootView()

Method to access the root view rendered in the Renderer.

Returns:

top view in the view hierarchy of one Renderer.

getContext

protected android.content.Context getContext()

Method to access to the current Renderer Context.

Returns:

the context associated to the root view or null if the root view has not been initialized.

getContent

protected final T getContent()

Returns:

the content stored in the Renderer.

setContent

protected void setContent(T content)

Configures the content stored in the Renderer.

Parameters:

content - associated to the Renderer instance.

setUpView

protected abstract void setUpView(android.view.View rootView)

Map all the widgets from the rootView to Renderer members.

Parameters:

rootView - inflated using previously.

hookListeners

protected abstract void hookListeners(android.view.View rootView)

Set all the listeners to members mapped in setUpView method.

Parameters:

rootView - inflated using previously.

inflate

protected abstract android.view.View inflate(android.view.LayoutInflater inflater,
                                             android.view.ViewGroup parent)

Inflate renderer layout. The view inflated can't be null. If this method returns a null view a NotInflateViewException will be thrown.

Parameters:

inflater - LayoutInflater service to inflate.

parent - view group associated to the current Renderer instance.

Returns:

View with the inflated layout.

render

public abstract void render()

Method where the presentation logic algorithm have to be declared or implemented.