prajna.gui

Class GuiDataFilter

java.lang.Object

prajna.data.DataFilter

prajna.gui.GuiDataFilter

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

SelectValueFilter, TimeWindowFilter

public abstract class GuiDataFilter
extends DataFilter

Extension of the DataFilter class which supports user interface controls. This class can be used to create DataFilter objects which change based upon a user's interaction with a GUI component. This class could also be used for DataFilters which include some form of state monitoring.

Author:

Edward Swing

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GuiDataFilter()

Method Summary

Methods

Modifier and Type	Method and Description
void	addChangeListener(javax.swing.event.ChangeListener listener) Add a ChangeListener to this data filter.
protected void	fireStateChanged() Send a ChangeEvent, whose source is this GuiDataFilter, to each listener.
abstract javax.swing.JComponent	getComponent() Return the Graphical User Interface component used for interacting with this DataFilter.
void	removeChangeListener(javax.swing.event.ChangeListener listener) Remove a ChangeListener from this data filter.

Methods inherited from class prajna.data.DataFilter

accept, filterRecords

Methods inherited from class java.lang.Object

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

Constructor Detail

GuiDataFilter

public GuiDataFilter()

Method Detail

addChangeListener

public void addChangeListener(javax.swing.event.ChangeListener listener)

Add a ChangeListener to this data filter.

Parameters:

listener - the ChangeListener to add

fireStateChanged

protected void fireStateChanged()

Send a ChangeEvent, whose source is this GuiDataFilter, to each listener. This method method is called when the DataFilter state has changed so that any data needs to be refiltered.

getComponent

public abstract javax.swing.JComponent getComponent()

Return the Graphical User Interface component used for interacting with this DataFilter.

Returns:

the component used to render the interface for this DataFilter

removeChangeListener

public void removeChangeListener(javax.swing.event.ChangeListener listener)

Remove a ChangeListener from this data filter.

Parameters:

listener - the ChangeListener to remove