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Java > Open Source Codes > org > objectstyle > cayenne > modeler > dialog > datamap > SuperclassUpdateController


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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13  * 1. Redistributions of source code must retain the above copyright
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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.
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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
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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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37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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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.dialog.datamap;
57
58 import java.util.Iterator JavaDoc;
59
60 import org.objectstyle.cayenne.map.DataMap;
61 import org.objectstyle.cayenne.map.ObjEntity;
62 import org.objectstyle.cayenne.map.event.EntityEvent;
63 import org.objectstyle.cayenne.modeler.ProjectController;
64 import org.objectstyle.cayenne.util.Util;
65 import org.scopemvc.core.Control;
66 import org.scopemvc.core.ControlException;
67 import org.scopemvc.view.swing.SPanel;
68
69 /**
70  * @author Andrei Adamchik
71  */
72 public class SuperclassUpdateController extends DefaultsPreferencesController {
73
74     public static final String JavaDoc ALL_CONTROL = "cayenne.modeler.datamap.defaultprefs.superclass.radio";
75     public static final String JavaDoc UNINIT_CONTROL = "cayenne.modeler.datamap.defaultprefs.superclassnull.radio";
76
77     public SuperclassUpdateController(ProjectController mediator, DataMap dataMap) {
78         super(mediator, dataMap);
79     }
80
81     /**
82      * Creates and runs superclass update dialog.
83      */
84     public void startup() {
85         SPanel view = new DefaultsPreferencesDialog(ALL_CONTROL, UNINIT_CONTROL);
86         view.setTitle("Update DataObjects Superclass");
87         setView(view);
88         super.startup();
89     }
90
91     protected void doHandleControl(Control control) throws ControlException {
92         if (control.matchesID(UPDATE_CONTROL)) {
93             updateSuperclass();
94         }
95         else {
96             super.doHandleControl(control);
97         }
98     }
99
100     protected void updateSuperclass() {
101         boolean doAll = ((DefaultsPreferencesModel) getModel()).isAllEntities();
102         String JavaDoc defaultSuperclass = dataMap.getDefaultSuperclass();
103
104         Iterator JavaDoc it = dataMap.getObjEntities().iterator();
105         while (it.hasNext()) {
106             ObjEntity entity = (ObjEntity) it.next();
107             if (doAll || Util.isEmptyString(entity.getSuperClassName())) {
108                 if (!Util.nullSafeEquals(defaultSuperclass, entity.getSuperClassName())) {
109                     entity.setSuperClassName(defaultSuperclass);
110
111                     // any way to batch events, a big change will flood the app with
112 // entity events..?
113 mediator.fireDbEntityEvent(new EntityEvent(this, entity));
114                 }
115             }
116         }
117
118         shutdown();
119     }
120
121 }
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