]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/PickContext.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / diagram / handler / PickContext.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.g2d.diagram.handler;
13
14 import java.util.Collection;
15
16 import org.simantics.g2d.diagram.IDiagram;
17 import org.simantics.g2d.diagram.handler.impl.PickContextImpl;
18 import org.simantics.g2d.element.IElement;
19 import org.simantics.g2d.element.handler.InternalSize;
20 import org.simantics.g2d.element.handler.Outline;
21 import org.simantics.g2d.element.handler.Pick;
22
23 /**
24  * Pick process is the following:
25  *  1) Rough estimation with {@link InternalSize} 
26  *  2) use {@link Pick} if implementations exist
27  *  3) if pick doesn't exist, use {@link Outline} if implementations exist 
28  * 
29  * @see {@link PickContextImpl} Implementation
30  * @author Toni Kalajainen
31  */
32 public interface PickContext extends DiagramHandler {
33
34         /**
35          * Make a pick to the diagram.
36          * Result content is added in z-order starting from the bottom.
37          * 
38          * @param diagram
39          * @param ctx
40          * @param request
41          * @param result
42          */
43         void pick(
44                         IDiagram diagram, 
45                         PickRequest request, 
46                         Collection<IElement> result);   
47         
48 }