uk.co.weft.amazon
Class AmazonWidget

java.lang.Object
  uk.co.weft.htform.ResourceConsumerImpl
      uk.co.weft.domutil.NodeGeneratorImpl
          uk.co.weft.htform.Widget
              uk.co.weft.htform.MenuWidget
                  uk.co.weft.amazon.AmazonWidget

All Implemented Interfaces:

java.lang.Cloneable, NodeGenerator, ResourceConsumer

public class AmazonWidget

extends MenuWidget

A widget which links to a thing-to-buy at Amazon

Field Summary

protected AmazonDescriptor

amazon The Amazon Descriptor from which I shall fetch options

Fields inherited from class uk.co.weft.htform.MenuWidget

defaultSize, eltTag, unsetLabel, UNSETVALUEMAGICTOKEN

Fields inherited from class uk.co.weft.htform.Widget

ACTIONCSSCLASS, akprompt, attrs, CONTEXTATTRIBUTESSUFFIX, cssClass, DANGEROUSCSSCLASS, debug, DEFAULTTOKEN, dflt, form, generateAs, GENERATEASHTML, GENERATEASXFORM, GENERATEASXML, help, HELPTOKEN, immutable, ISIMMUTABLETOKEN, ISMANDATORYTOKEN, mandatory, MANDATORYCSSCLASS, maxVisibleSize, name, NAMETOKEN, OPTIONALCSSCLASS, PREVIOUSVALUESUFFIX, prompt, PROMPTTOKEN, size, SIZETOKEN, type, TYPETOKEN

Fields inherited from class uk.co.weft.domutil.NodeGeneratorImpl

namespaceURI

Fields inherited from class uk.co.weft.htform.ResourceConsumerImpl

resourceBundleName

Fields inherited from interface uk.co.weft.domutil.NodeGenerator

NAMESPACEURIMAGICTOKEN

Fields inherited from interface uk.co.weft.htform.ResourceConsumer

RESOURCEBUNDLEMAGICTOKEN

Constructor Summary

AmazonWidget(java.lang.String name, java.lang.String prompt, java.lang.String help, AmazonDescriptor amazon)
Creates a new AmazonWidget object.

Method Summary

java.util.Vector	getOptions(Context context) Specialisation: collect my options from Amazon
int	getTabPlaces(Context context) Specialisation: I need two more tab places than my superclass
void	init(Context config) Specialisation: set up my Amazon descriptor
void	layout(Context context, int tabIndex) Specialisation: layout subwidgets for author and title
protected void	layoutValue(Context context) Layout just my value on this output stream

Methods inherited from class uk.co.weft.htform.MenuWidget

addOption, clone, generateInnerHTML, generateValue, getHeight, getWidth, preProcess, scriptRequest, setDebug

Methods inherited from class uk.co.weft.htform.Widget

generate, generateAttributes, generateAttributes, generateHTML, generateHTMLPrompt, generateXML, getContextAttribute, getCssClass, getHelp, getName, getPrompt, getType, layout, layout, layout, layoutAttribute, layoutAttributes, makeReady, maybeLayout, maybeLayout, onloadRequest, onloadRequest, postProcess, scriptRequest, setAttribute, setContextAttribute, setCssClass, setDefault, setHelp, setImmutable, setMandatory, setMandatory, setName, setPrompt, setSize, setType

Methods inherited from class uk.co.weft.domutil.NodeGeneratorImpl

getNamespaceURI, setNamespaceURI

Methods inherited from class uk.co.weft.htform.ResourceConsumerImpl

getContextOrResource, getResource, getResourceOrContext, getResourceString, grs, grs

Methods inherited from class java.lang.Object

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

Methods inherited from interface uk.co.weft.domutil.NodeGenerator

generate, getName, getNamespaceURI

Field Detail

amazon

protected AmazonDescriptor amazon

The Amazon Descriptor from which I shall fetch options

Constructor Detail

AmazonWidget

public AmazonWidget(java.lang.String name,
                    java.lang.String prompt,
                    java.lang.String help,
                    AmazonDescriptor amazon)

Creates a new AmazonWidget object.

Parameters:

name - My name

prompt - My prompt

help - My help text

amazon - The descriptor though which I shall communicate with Amazon

Method Detail

getOptions

public java.util.Vector getOptions(Context context)
                            throws javax.servlet.ServletException

Specialisation: collect my options from Amazon

Overrides:

getOptions in class MenuWidget

Parameters:

context -

Returns:

Throws:

javax.servlet.ServletException

See Also:

MenuWidget.getOptions(uk.co.weft.dbutil.Context)

getTabPlaces

public int getTabPlaces(Context context)

Specialisation: I need two more tab places than my superclass

Overrides:

getTabPlaces in class MenuWidget

Parameters:

context - the context in which I am being laid out

Returns:

the number of tab places I need

See Also:

MenuWidget.getTabPlaces(uk.co.weft.dbutil.Context)

init

public void init(Context config)
          throws InitialisationException

Specialisation: set up my Amazon descriptor

Specified by:

init in interface NodeGenerator

Overrides:

init in class Widget

Parameters:

config - my configuration

Throws:

InitialisationException

See Also:

Widget.init(uk.co.weft.dbutil.Context)

layout

public void layout(Context context,
                   int tabIndex)
            throws DataFormatException,
                   javax.servlet.ServletException,
                   java.io.IOException

Specialisation: layout subwidgets for author and title

Overrides:

layout in class MenuWidget

Parameters:

context - the service context

tabIndex - the base index from which my tab index should be counted

Throws:

DataStoreException

javax.servlet.ServletException

java.io.IOException

DataFormatException

See Also:

Widget.layout(uk.co.weft.dbutil.Context, int)

layoutValue

protected void layoutValue(Context context)
                    throws DataFormatException,
                           javax.servlet.ServletException,
                           java.io.IOException

Layout just my value on this output stream

Overrides:

layoutValue in class MenuWidget

Throws:

DataFormatException

javax.servlet.ServletException

java.io.IOException