package agg.attribute.handler.gui;
import java.awt.Component;
import java.awt.Dimension;
import agg.attribute.handler.HandlerExpr;
import agg.attribute.handler.HandlerType;
/**
* This interface is implemented by attribute handler expression editors; it
* provides services for the Attribute instance (tuple) editors.
*
* @version $Id: HandlerExprEditor.java,v 1.2 2007/09/10 13:05:51 olga Exp $
* @author $Author: olga $
*/
public interface HandlerExprEditor extends HandlerEditor {
/**
* Returns a graphical component for displaying the specified expr. The
* 'availableSpace' limit should be honoured, since this is a service for
* displaying the expr in a table cell. However, the renderer can contain
* tools (e.g. buttons) for invoking its larger custom renderer. Either
* 'type' or 'exprToRender' cannot be null.
*/
public Component getRendererComponent(HandlerType type,
HandlerExpr exprToRender, Dimension availableSpace);
/**
* Returns a graphical component for editing the specified expr. The
* 'availableSpace' is a recommendation when the editor wishes to be
* operatable in a compact table cell and needs not be taken into account.
* Either 'type' or 'exprToEdit' cannot be null.
*/
public Component getEditorComponent(HandlerType type,
HandlerExpr exprToEdit, Dimension availableSpace);
/** Returns the edited expression. */
public HandlerExpr getEditedExpr();
}
/*
* $Log: HandlerExprEditor.java,v $
* Revision 1.2 2007/09/10 13:05:51 olga
* In this update:
* - package xerces2.5.0 is not used anymore;
* - class com.objectspace.jgl.Pair is replaced by the agg own generic class agg.util.Pair;
* - bugs fixed in: usage of PACs in rules; match completion;
* usage of static method calls in attr. conditions
* - graph editing: added some new features
* Revision 1.1 2005/08/25 11:56:57 enrico ***
* empty log message ***
*
* Revision 1.1 2005/05/30 12:58:04 olga Version with Eclipse
*
* Revision 1.2 2003/03/05 18:24:27 komm sorted/optimized import statements
*
* Revision 1.1.1.1 2002/07/11 12:16:58 olga Imported sources
*
* Revision 1.3 2000/04/05 12:08:28 shultzke serialVersionUID aus V1.0.0
* generiert
*
*/