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Java > Open Source Codes > org > objectstyle > cayenne > modeler > action > CreateObjEntityAction


1 /* ====================================================================
2  *
3  * The ObjectStyle Group Software License, version 1.1
4  * ObjectStyle Group - http://objectstyle.org/
5  *
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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22  * must include the following acknowlegement:
23  * "This product includes software developed by independent contributors
24  * and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
29  * or promote products derived from this software without prior written
30  * permission. For written permission, email
31  * "andrus at objectstyle dot org".
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34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
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51  * This software consists of voluntary contributions made by many
52  * individuals and hosted on ObjectStyle Group web site. For more
53  * information on the ObjectStyle Group, please see
54  * <http://objectstyle.org/>.
55  */
56 package org.objectstyle.cayenne.modeler.action;
57
58 import java.awt.event.ActionEvent JavaDoc;
59
60 import org.objectstyle.cayenne.map.DataMap;
61 import org.objectstyle.cayenne.map.DbEntity;
62 import org.objectstyle.cayenne.map.ObjEntity;
63 import org.objectstyle.cayenne.map.event.EntityEvent;
64 import org.objectstyle.cayenne.modeler.Application;
65 import org.objectstyle.cayenne.modeler.ProjectController;
66 import org.objectstyle.cayenne.modeler.event.EntityDisplayEvent;
67 import org.objectstyle.cayenne.modeler.util.CayenneAction;
68 import org.objectstyle.cayenne.project.NamedObjectFactory;
69 import org.objectstyle.cayenne.project.ProjectPath;
70 import org.objectstyle.cayenne.util.EntityMergeSupport;
71 import org.objectstyle.cayenne.util.NameConverter;
72
73 /**
74  * @author Andrei Adamchik
75  */
76 public class CreateObjEntityAction extends CayenneAction {
77
78     public static String JavaDoc getActionName() {
79         return "Create ObjEntity";
80     }
81
82     /**
83      * Constructor for CreateObjEntityAction.
84      */
85     public CreateObjEntityAction(Application application) {
86         super(getActionName(), application);
87     }
88
89     public String JavaDoc getIconName() {
90         return "icon-new_objentity.gif";
91     }
92
93     /**
94      * @see org.objectstyle.cayenne.modeler.util.CayenneAction#performAction(ActionEvent)
95      */
96     public void performAction(ActionEvent JavaDoc e) {
97         createObjEntity();
98     }
99
100     protected void createObjEntity() {
101         ProjectController mediator = getProjectController();
102
103         DataMap dataMap = mediator.getCurrentDataMap();
104         ObjEntity entity = (ObjEntity) NamedObjectFactory.createObject(
105                 ObjEntity.class,
106                 mediator.getCurrentDataMap());
107
108         // init defaults
109 entity.setSuperClassName(dataMap.getDefaultSuperclass());
110         entity.setDeclaredLockType(dataMap.getDefaultLockType());
111
112         DbEntity dbEntity = mediator.getCurrentDbEntity();
113         if (dbEntity != null){
114             entity.setDbEntity(dbEntity);
115             String JavaDoc eName = NameConverter.undescoredToJava(dbEntity.getName(), true);
116             String JavaDoc entityName = eName;
117             int i = 1;
118             while(dataMap.getObjEntity(entityName) != null){
119                 entityName = eName + String.valueOf(i);
120             }
121             entity.setName(entityName);
122         }
123         
124         String JavaDoc pkg = dataMap.getDefaultPackage();
125         if (pkg != null) {
126             if (!pkg.endsWith(".")) {
127                 pkg = pkg + ".";
128             }
129
130             entity.setClassName(pkg + entity.getName());
131         }
132
133         dataMap.addObjEntity(entity);
134
135         // perform the merge
136 EntityMergeSupport merger = new EntityMergeSupport(dataMap);
137         merger.synchronizeWithDbEntity(entity);
138
139         mediator.fireObjEntityEvent(new EntityEvent(this, entity, EntityEvent.ADD));
140         EntityDisplayEvent displayEvent = new EntityDisplayEvent(
141                 this,
142                 entity,
143                 dataMap,
144                 mediator.getCurrentDataNode(),
145                 mediator.getCurrentDataDomain());
146         mediator.fireObjEntityDisplayEvent(displayEvent);
147     }
148
149     /**
150      * Returns <code>true</code> if path contains a DataMap object.
151      */
152     public boolean enableForPath(ProjectPath path) {
153         if (path == null) {
154             return false;
155         }
156
157         return path.firstInstanceOf(DataMap.class) != null;
158     }
159 }
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