1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.g2d.element.handler;
14 import java.util.Collection;
16 import org.simantics.g2d.canvas.ICanvasContext;
17 import org.simantics.g2d.element.IElement;
20 * This interface is implemented by all element contributions that
21 * have fields to be validated.
23 * @author Toni Kalajainen
25 public interface Validator extends ElementHandler {
27 public interface Suggestion {
28 String getMessage(IElement e, ICanvasContext ctx);
35 boolean fix(IElement e, ICanvasContext ctx);
38 public interface Issue {
39 String getMessage(IElement e, ICanvasContext ctx);
44 * @param suggestionList instances are should be static, shareable
46 void addSuggestions(IElement e, ICanvasContext ctx, Collection<Suggestion> suggestionList);
49 void validate(IElement e, ICanvasContext ctx, Collection<Issue> lst);