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Java > Open Source Codes > org > objectstyle > cayenne > modeler > dialog > validator > RelationshipErrorMsg


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
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6  * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
7  * of the software. All rights reserved.
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10  * modification, are permitted provided that the following conditions
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54  * <http://objectstyle.org/>.
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56
57 package org.objectstyle.cayenne.modeler.dialog.validator;
58
59 import javax.swing.JFrame JavaDoc;
60
61 import org.objectstyle.cayenne.access.DataDomain;
62 import org.objectstyle.cayenne.map.DataMap;
63 import org.objectstyle.cayenne.map.DbEntity;
64 import org.objectstyle.cayenne.map.Entity;
65 import org.objectstyle.cayenne.map.ObjEntity;
66 import org.objectstyle.cayenne.map.Relationship;
67 import org.objectstyle.cayenne.modeler.ProjectController;
68 import org.objectstyle.cayenne.modeler.event.RelationshipDisplayEvent;
69 import org.objectstyle.cayenne.project.validator.ValidationInfo;
70
71 /**
72  * Relationship validation message.
73  *
74  * @author Misha Shengaout
75  * @author Andrei Adamchik
76  */
77 public class RelationshipErrorMsg extends ValidationDisplayHandler {
78
79     protected DataMap map;
80     protected Entity entity;
81     protected Relationship rel;
82
83     /**
84      * Constructor for RelationshipErrorMsg.
85      *
86      * @param result
87      */
88     public RelationshipErrorMsg(ValidationInfo result) {
89         super(result);
90         Object JavaDoc[] path = result.getPath().getPath();
91         int len = path.length;
92
93         if (len >= 1) {
94             rel = (Relationship) path[len - 1];
95         }
96
97         if (len >= 2) {
98             entity = (Entity) path[len - 2];
99         }
100
101         if (len >= 3) {
102             map = (DataMap) path[len - 3];
103         }
104
105         if (len >= 4) {
106             domain = (DataDomain) path[len - 4];
107         }
108     }
109
110     public void displayField(ProjectController mediator, JFrame JavaDoc frame) {
111         RelationshipDisplayEvent event = new RelationshipDisplayEvent(
112                 frame,
113                 rel,
114                 entity,
115                 map,
116                 domain);
117
118         // must first display entity, and then switch to relationship display .. so fire
119 // twice
120 if (entity instanceof ObjEntity) {
121             mediator.fireObjEntityDisplayEvent(event);
122             mediator.fireObjRelationshipDisplayEvent(event);
123         }
124         else if (entity instanceof DbEntity) {
125             mediator.fireDbEntityDisplayEvent(event);
126             mediator.fireDbRelationshipDisplayEvent(event);
127         }
128     }
129 }
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