uk.co.weft.htform
Class IntegerWidget

java.lang.Object
  uk.co.weft.htform.ResourceConsumerImpl
      uk.co.weft.domutil.NodeGeneratorImpl
          uk.co.weft.htform.Widget
              uk.co.weft.htform.IntegerWidget

All Implemented Interfaces:

java.lang.Cloneable, NodeGenerator, ResourceConsumer

Direct Known Subclasses:

RangeWidget

public class IntegerWidget

extends Widget

A widget which constrains entry to integers -- if JavaScript allows. All the intelligence for this is in the JavaScript, q.v.

Version:

$Revision: 1.8.4.1 $ This revision: $Author: simon $

Author:

Simon Brooke

Field Summary

protected int

iw_size my size

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

IntegerWidget()
If you use this constructor, you are strongly advised to use the init() method.

IntegerWidget(java.lang.String myname)
minimum initialisation is I must have a name

IntegerWidget(java.lang.String myname, java.lang.String myprompt)
name and prompt is better

IntegerWidget(java.lang.String myname, java.lang.String myprompt, java.lang.String myhelp)
name, prompt and helptext is better still.

Method Summary

protected void	preProcess(Context context) Check that the value, if present, is parsable as an integer.
java.lang.String	scriptRequest(Context context) An integer widget does nothing clever without it's script

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

clone, generate, generateAttributes, generateAttributes, generateHTML, generateHTMLPrompt, generateInnerHTML, generateValue, generateXML, getContextAttribute, getCssClass, getHeight, getHelp, getName, getPrompt, getTabPlaces, getType, getWidth, init, layout, layout, layout, layout, layoutAttribute, layoutAttributes, layoutValue, makeReady, maybeLayout, maybeLayout, onloadRequest, onloadRequest, postProcess, scriptRequest, setAttribute, setContextAttribute, setCssClass, setDebug, 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

Field Detail

iw_size

protected int iw_size

my size

Constructor Detail

IntegerWidget

public IntegerWidget()

If you use this constructor, you are strongly advised to use the init() method.

See Also:

Widget.init(Context)

IntegerWidget

public IntegerWidget(java.lang.String myname)

minimum initialisation is I must have a name

IntegerWidget

public IntegerWidget(java.lang.String myname,
                     java.lang.String myprompt)

name and prompt is better

IntegerWidget

public IntegerWidget(java.lang.String myname,
                     java.lang.String myprompt,
                     java.lang.String myhelp)

name, prompt and helptext is better still.

Method Detail

scriptRequest

public java.lang.String scriptRequest(Context context)
                               throws java.lang.Exception

An integer widget does nothing clever without it's script

Overrides:

scriptRequest in class Widget

Returns:

a comma separated list of JavaScript files which must be loaded to support this widget

Throws:

java.lang.Exception

preProcess

protected void preProcess(Context context)
                   throws DataStoreException,
                          javax.servlet.ServletException

Check that the value, if present, is parsable as an integer.

Overrides:

preProcess in class Widget

Parameters:

context - the Context of the service in which I'm called

Throws:

DataFormatException - if data fails validation test

javax.servlet.ServletException - if the thing itself breaks

DataStoreException