Controller

Overview

Package

Class

Use

Deprecated

Index

Home >> All >> org >> scopemvc >> [ core overview ]

PREV CLASS NEXT CLASS

SUMMARY:

JAVADOC |

Sourc code of org.scopemvc.core.Controller

SOURCE |

DOWNLOAD | NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.scopemvc.core
Interface Controller

public interface Controller

Controllers arranged in a hierarchy of chains of command provide the structure of an application's logic, mirroring independent contexts of discrete Views and their bound model objects. Each context can be treated as an independent component. Application logic invoked by sending Controls into the chain executes in the context of a Controller that specifically recognises and responds to the Control by its ID.

For example, a Controller might manage a search panel (eg CustomerSearchView and bound CustomerSearchModel) that can be embedded within other arbitrary views. The search panel context has certain Controls that are recognised by the Controller which has no knowledge of anything outside the immediate context. Controls that the Controller doesn't explicitly recognise are simply passed to the parent Controller.

A Controller responds to Controls issued to it via the handleControl method from one of two places:

Views issue Controls to indicate that the user has invoked some application logic by interacting with the user interface, eg by pressing a Button,
Controllers pass Controls to their parent Controller to create a Chain of Command.

To implement a Controller see the basic implementation provided in BasicController

Version:: $Revision: 1.2 $ $Date: 2002/01/12 09:35:40 $

Method Summary

java.lang.Object getModel()


Controller getParent()


Controller getTopParent()
          Find the top-most parent Controller at the head of the chain of command.

View getView()


void handleControl(Control inControl)
           Respond to a Control (from either a View or a child Controller) or pass up to the parent Controller in the chain of command if the Control is not recognised in this context.

void setModel(java.lang.Object inModel)


void setView(View inView)

Method Detail

getParent

public Controller getParent()

setModel

public void setModel(java.lang.Object inModel)

getModel

public java.lang.Object getModel()

setView

public void setView(View inView)

getView

public View getView()

handleControl

public void handleControl(Control inControl)

Respond to a Control (from either a View or a child Controller) or pass up to the parent Controller in the chain of command if the Control is not recognised in this context.

getTopParent

public Controller getTopParent()

Find the top-most parent Controller at the head of the chain of command. This is the application Controller that initialises the rest of the Controllers as children to handle specific areas of functionality.