org.mmbase.bridge.jsp.taglib.typehandler
Class EnumHandler

java.lang.Object
  org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler
      org.mmbase.bridge.jsp.taglib.typehandler.EnumHandler

All Implemented Interfaces:

TypeHandler

Direct Known Subclasses:

BooleanHandler

public class EnumHandler

extends AbstractTypeHandler

implements TypeHandler

This handler can be used to create option list by use of a resource.

Since:

MMBase-1.6

Version:

$Id: EnumHandler.java,v 1.38 2006/06/06 17:47:43 michiel Exp $

Author:

Michiel Meeuwissen

Field Summary

Fields inherited from class org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler

eh, gotEnumHandler, tag

Constructor Summary

EnumHandler(FieldInfoTag tag)

EnumHandler(FieldInfoTag tag, Node node, Field field)

Method Summary

protected Object	cast(Object value, Node node, Field field)
protected EnumHandler	getEnumHandler(Node node, Field field)
protected Object	getFieldValue(Node node, Field field, boolean useDefault) Returns the field value to be used in the page.
protected Iterator	getIterator(Node node, Field field)
String	htmlInput(Node node, Field field, boolean search) Produces an form input field for the given Node, and Field.
boolean	isAvailable()
void	paramHtmlInput(ParamHandler handler, Field field)
String	whereHtmlInput(Field field)
Constraint	whereHtmlInput(Field field, Query query) Adds search constraint to Query object.

Methods inherited from class org.mmbase.bridge.jsp.taglib.typehandler.AbstractTypeHandler

addExtraAttributes, checkHtmlInput, findString, getClasses, getFieldValue, getOperator, getSearchValue, init, interpretEmptyAsNull, prefix, prefixError, prefixID, useHtmlInput

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mmbase.bridge.jsp.taglib.typehandler.TypeHandler

checkHtmlInput, init, useHtmlInput

Constructor Detail

EnumHandler

public EnumHandler(FieldInfoTag tag)
            throws JspTagException

Since:

MMBase-1.8

EnumHandler

public EnumHandler(FieldInfoTag tag,
                   Node node,
                   Field field)
            throws JspTagException

Parameters:

tag -

Since:

MMBase-1.8

Method Detail

getIterator

protected Iterator getIterator(Node node,
                               Field field)
                        throws JspTagException

Throws:

JspTagException

Since:

MMBase-1.8

getEnumHandler

protected EnumHandler getEnumHandler(Node node,
                                     Field field)
                              throws JspTagException

Overrides:

getEnumHandler in class AbstractTypeHandler

Throws:

JspTagException

isAvailable

public boolean isAvailable()

cast

protected Object cast(Object value,
                      Node node,
                      Field field)

Overrides:

cast in class AbstractTypeHandler

getFieldValue

protected Object getFieldValue(Node node,
                               Field field,
                               boolean useDefault)
                        throws JspTagException

Description copied from class: AbstractTypeHandler

Returns the field value to be used in the page.

Overrides:

getFieldValue in class AbstractTypeHandler

Throws:

JspTagException

htmlInput

public String htmlInput(Node node,
                        Field field,
                        boolean search)
                 throws JspTagException

Description copied from interface: TypeHandler

Produces an form input field for the given Node, and Field.

Specified by:

htmlInput in interface TypeHandler

Overrides:

htmlInput in class AbstractTypeHandler

Throws:

JspTagException

See Also:

TypeHandler.htmlInput(Node, Field, boolean)

paramHtmlInput

public void paramHtmlInput(ParamHandler handler,
                           Field field)
                    throws JspTagException

Specified by:

paramHtmlInput in interface TypeHandler

Overrides:

paramHtmlInput in class AbstractTypeHandler

Throws:

JspTagException

whereHtmlInput

public String whereHtmlInput(Field field)
                      throws JspTagException

Specified by:

whereHtmlInput in interface TypeHandler

Overrides:

whereHtmlInput in class AbstractTypeHandler

Throws:

JspTagException

See Also:

TypeHandler.whereHtmlInput(Field)

whereHtmlInput

public Constraint whereHtmlInput(Field field,
                                 Query query)
                          throws JspTagException

Description copied from class: AbstractTypeHandler

Adds search constraint to Query object.

Specified by:

whereHtmlInput in interface TypeHandler

Overrides:

whereHtmlInput in class AbstractTypeHandler

Returns:

null if nothing to be searched, the constraint if constraint added

Throws:

JspTagException