Package org.geotools.swing.wizard

Class ParamField

Object

ParamField

Direct Known Subclasses:

JDoubleField, JField, JFileField, JGeometryField, JURLField

public abstract class ParamField
extends Object

Super class that provides additional helper methods useful when implementing your own ParamWidget.

Author:

gdavis

Field Summary

Fields

Modifier and Type	Field	Description
protected final Parameter<?>	parameter

Method Summary

Modifier and Type	Method	Description
abstract void	addListener(JWizard.Controller controller)
static ParamField	create(Parameter<?> parameter)	Factory method creating the appropriate ParamField for the supplied Param.
abstract JComponent	doLayout()	Called to build the widget, initialize it (setting defaults or whatever) and setup any listeners needed for validation of the widget value.
abstract Object	getValue()	Returns the current value of the widget.
abstract void	removeListener(JWizard.Controller controller)
abstract void	setValue(Object value)	Sets the value of the widget.
abstract boolean	validate()	Validates the current value of the widget, returns false if not valid, true otherwise

Methods inherited from class Object

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

Field Details

parameter

protected final Parameter<?> parameter

Method Details

doLayout

public abstract JComponent doLayout()

Called to build the widget, initialize it (setting defaults or whatever) and setup any listeners needed for validation of the widget value. The returned JComponent will contain the widget for editing.

Returns:

JComponent or null if error

validate

public abstract boolean validate()

Validates the current value of the widget, returns false if not valid, true otherwise

Returns:

boolean if validated

setValue

public abstract void setValue(Object value)

Sets the value of the widget.

Parameters:

value - an object containing the value to set for the widget

addListener

public abstract void addListener(JWizard.Controller controller)

removeListener

public abstract void removeListener(JWizard.Controller controller)

getValue

public abstract Object getValue()

Returns the current value of the widget.

Returns:

Object representing the current value of the widget

create

public static ParamField create(Parameter<?> parameter)

Factory method creating the appropriate ParamField for the supplied Param.