prefuse.data.util
Interface ColumnProjection

All Known Implementing Classes:

AbstractColumnProjection

public interface ColumnProjection

Interface for filtering only a subset of a Table columns, computing a projection of the available data fields. Used in conjunction with CascadedTable instances to control what fields are inherited from a parent table.

Author:

jeffrey heer

Method Summary

void	addProjectionListener(ProjectionListener lstnr) Add a listener to this column projection
boolean	include(Column col, java.lang.String name) Determine if the given Column should be included.
void	removeProjectionListener(ProjectionListener lstnr) Remove a listener from this column projection

Method Detail

include

public boolean include(Column col,
                       java.lang.String name)

Determine if the given Column should be included.

Parameters:

col - the Column to test

name - the name of the column

Returns:

true if the column passes the projection, false otherwise

addProjectionListener

public void addProjectionListener(ProjectionListener lstnr)

Add a listener to this column projection

Parameters:

lstnr - the listener to add

removeProjectionListener

public void removeProjectionListener(ProjectionListener lstnr)

Remove a listener from this column projection

Parameters:

lstnr - the listener to remove