com.ibm.portal.dnd
Interface DNDFactory

public interface DNDFactory

Implementations of DNDFactory will be able to create DNDSource, DNDTarget, and DNDProperty objects.

Since:

6.0

Method Summary

DNDAction	createAction(java.lang.String action, DNDProperty[] properties, DNDValidator validator, java.lang.String optionalActionHandlerMarkup, java.lang.String activeCssClassName, java.lang.String awareCssClassName, boolean supportsMultiselect, java.lang.String multiselectDelimiter) This method is used to create a DNDAction object with the parameters provided.
DNDProperty	createProperty(java.lang.String namespace, java.lang.String type, java.lang.String name, java.lang.Object value) This method is used to create a DNDProperty object with the parameters provided.
DNDSource	createSource(HttpServletRequest request, DNDProperty[] properties, DNDValidator validator, java.lang.String optionalOnDragHandlerMarkup, boolean dragClone, boolean isMultiselectable, java.lang.String cssClassName) This method is used to create a DNDSource object with the paramters provided.
DNDTarget	createTarget(HttpServletRequest request, DNDAction[] actions) This method is used to create a DNDTarget object with the provided paramters.

Method Detail

createProperty

DNDProperty createProperty(java.lang.String namespace,
                           java.lang.String type,
                           java.lang.String name,
                           java.lang.Object value)
                           throws DNDInvalidParametersException

This method is used to create a DNDProperty object with the parameters provided. An exception is thrown when parameters are insufficient to create the object.

Parameters:

namespace - (not null) the namespace of this DNDProperty used for matching DNDSource objects to DNDTarget objects

type - (not null) the type of this DNDProperty used for matching DNDSource objects to DNDTarget objects

name - (may be null) the name that will be used for this DNDProperty in the request when a DND interaction takes place

value - (may be null) the value that should be provided for this DNDProperty when a DND interaction occurs

Returns:

a new DNDProperty

Throws:

DNDInvalidParametersException - when the object cannot be created

createSource

DNDSource createSource(HttpServletRequest request,
                       DNDProperty[] properties,
                       DNDValidator validator,
                       java.lang.String optionalOnDragHandlerMarkup,
                       boolean dragClone,
                       boolean isMultiselectable,
                       java.lang.String cssClassName)
                       throws DNDInvalidParametersException

This method is used to create a DNDSource object with the paramters provided. An exception is thrown if the parameters are insufficient to create the object.

Parameters:

request - (not null) the current ServletRequest

properties - (not null) the set of DNDProperties with this DNDSource

validator - (may be null) the optional DNDValidator needed for this DNDSource

optionalOnDragHandlerMarkup - (may be null) the optional JavaScript markup to be invoked during a drag

dragClone - true to drag a clone of this markup, false otherwise

isMultiselectable - true if users should be allowed to multiselect this DNDSource with DNDSource objects that have matching types

cssClassName - (may be null) the CSS class for this DNDSource during a drag, if null a default is used

Returns:

a new DNDSource

Throws:

DNDInvalidParametersException - if the object cannot be created

createTarget

DNDTarget createTarget(HttpServletRequest request,
                       DNDAction[] actions)
                       throws DNDInvalidParametersException

This method is used to create a DNDTarget object with the provided paramters. An exception is thrown if the parameters are insufficient to create the object.

Parameters:

request - (not null) the current ServletRequest

actions - (not null) the DNDActions associated with this DNDTarget

Returns:

a new DNDTarget

Throws:

DNDInvalidParametersException - if the object cannot be created

createAction

DNDAction createAction(java.lang.String action,
                       DNDProperty[] properties,
                       DNDValidator validator,
                       java.lang.String optionalActionHandlerMarkup,
                       java.lang.String activeCssClassName,
                       java.lang.String awareCssClassName,
                       boolean supportsMultiselect,
                       java.lang.String multiselectDelimiter)
                       throws DNDInvalidParametersException

This method is used to create a DNDAction object with the parameters provided. An exception is thrown when the parameters are insufficient to create the object.

Parameters:

action - (not null) a URL that this DNDAction will be submitted to

properties - (not null) the DNDProperty objects associated with this action

optionalActionHandlerMarkup - (may be null) the optional javascript to be executed when this DNDAction is invoked

activeCssClassName - (may be null) the CSS class when this DNDAction's DNDTarget is "active", if null a default is used

awareCssClassName - (may be null) the CSS class when this DNDAction's DNDTarget is "aware", if null a default is used

supportsMultiselect - true if multiselected DNDSource objects may be dropped on this DNDAction, false otherwise

multiselectDelimiter - (may be null) if supportsMultiselect is true, this value is used to delimit DNDProperty values in the request

Returns:

a new DNDAction

Throws:

DNDInvalidParametersException - if the object cannot be created