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Java > Open Source Codes > org > objectstyle > cayenne > modeler > editor > datanode > DataSourceEditor


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.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if any,
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".
32  *
33  * 5. Products derived from this software may not be called "ObjectStyle"
34  * or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
35  * names without prior written permission.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE OBJECTSTYLE GROUP OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
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.editor.datanode;
57
58 import org.objectstyle.cayenne.access.DataNode;
59 import org.objectstyle.cayenne.modeler.ProjectController;
60 import org.objectstyle.cayenne.modeler.util.CayenneController;
61 import org.objectstyle.cayenne.swing.BindingBuilder;
62 import org.objectstyle.cayenne.swing.BindingDelegate;
63 import org.objectstyle.cayenne.swing.ObjectBinding;
64 import org.objectstyle.cayenne.util.Util;
65
66 /**
67  * @author Andrei Adamchik
68  */
69 public abstract class DataSourceEditor extends CayenneController {
70
71     protected ObjectBinding[] fieldAdapters;
72     protected DataNode node;
73     protected BindingDelegate nodeChangeProcessor;
74
75     public DataSourceEditor(ProjectController controller,
76             BindingDelegate nodeChangeProcessor) {
77         super(controller);
78         this.nodeChangeProcessor = nodeChangeProcessor;
79         initBindings();
80     }
81
82     public DataNode getNode() {
83         return node;
84     }
85
86     public void setNode(DataNode node) {
87         if (!Util.nullSafeEquals(this.node, node)) {
88             this.node = node;
89
90             for (int i = 0; i < fieldAdapters.length; i++) {
91                 fieldAdapters[i].updateView();
92             }
93         }
94     }
95
96     protected void initBindings() {
97         BindingBuilder builder = new BindingBuilder(
98                 getApplication().getBindingFactory(),
99                 this);
100         builder.setDelegate(nodeChangeProcessor);
101         prepareBindings(builder);
102     }
103
104     protected abstract void prepareBindings(BindingBuilder builder);
105
106     protected void refreshView() {
107         for (int i = 0; i < fieldAdapters.length; i++) {
108             fieldAdapters[i].updateView();
109         }
110     }
111 }
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