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Java > Open Source Codes > org > objectstyle > cayenne > modeler > dialog > pref > DataSourceCreator


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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9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
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13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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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".
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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.pref;
57
58 import java.awt.Component JavaDoc;
59 import java.util.Map JavaDoc;
60
61 import javax.swing.DefaultComboBoxModel JavaDoc;
62 import javax.swing.JOptionPane JavaDoc;
63
64 import org.objectstyle.cayenne.modeler.AdapterMapping;
65 import org.objectstyle.cayenne.modeler.pref.DBConnectionInfo;
66 import org.objectstyle.cayenne.modeler.util.CayenneController;
67 import org.objectstyle.cayenne.modeler.util.DbAdapterInfo;
68 import org.objectstyle.cayenne.pref.Domain;
69 import org.objectstyle.cayenne.pref.PreferenceEditor;
70 import org.objectstyle.cayenne.swing.BindingBuilder;
71
72 /**
73  * @author Andrei Adamchik
74  */

75 public class DataSourceCreator extends CayenneController {
76
77     private static final String JavaDoc NO_ADAPTER = "Custom / Undefined";
78
79     protected DataSourceCreatorView view;
80     protected PreferenceEditor editor;
81     protected Domain domain;
82     protected boolean canceled;
83     protected Map JavaDoc dataSources;
84
85     public DataSourceCreator(DataSourcePreferences parent) {
86         super(parent);
87         this.view = new DataSourceCreatorView();
88         this.editor = parent.getEditor();
89         this.domain = parent.getDataSourceDomain();
90         this.dataSources = parent.getDataSources();
91
92         DefaultComboBoxModel JavaDoc model = new DefaultComboBoxModel JavaDoc(DbAdapterInfo
93                 .getStandardAdapters());
94         model.insertElementAt(NO_ADAPTER, 0);
95         this.view.getAdapters().setModel(model);
96         this.view.getAdapters().setSelectedIndex(0);
97
98         String JavaDoc suggestion = "DataSource0";
99         for (int i = 1; i <= dataSources.size(); i++) {
100             suggestion = "DataSource" + i;
101             if (!dataSources.containsKey(suggestion)) {
102                 break;
103             }
104         }
105
106         this.view.getDataSourceName().setText(suggestion);
107         initBindings();
108     }
109
110     public Component JavaDoc getView() {
111         return view;
112     }
113
114     protected void initBindings() {
115         BindingBuilder builder = new BindingBuilder(
116                 getApplication().getBindingFactory(),
117                 this);
118         builder.bindToAction(view.getCancelButton(), "cancelAction()");
119         builder.bindToAction(view.getOkButton(), "okAction()");
120     }
121
122     public void okAction() {
123         if (getName() == null) {
124             JOptionPane.showMessageDialog(
125                     view,
126                     "Enter DataSource Name",
127                     null,
128                     JOptionPane.WARNING_MESSAGE);
129         }
130         else if (dataSources.containsKey(getName())) {
131             JOptionPane.showMessageDialog(
132                     view,
133                     "'" + getName() + "' is already in use, enter a different name",
134                     null,
135                     JOptionPane.WARNING_MESSAGE);
136         }
137         else {
138             canceled = false;
139             view.dispose();
140         }
141     }
142
143     public void cancelAction() {
144         canceled = true;
145         view.dispose();
146     }
147
148     /**
149      * Pops up a dialog and blocks current thread until the dialog is closed.
150      */

151     public DBConnectionInfo startupAction() {
152         // this should handle closing via ESC
153
canceled = true;
154
155         view.setModal(true);
156         view.pack();
157         view.setResizable(false);
158         makeCloseableOnEscape();
159         centerView();
160
161         view.setVisible(true);
162         return createDataSource();
163     }
164
165     public String JavaDoc getName() {
166         String JavaDoc name = view.getDataSourceName().getText();
167         return (name.length() > 0) ? name : null;
168     }
169
170     protected DBConnectionInfo createDataSource() {
171         if (canceled) {
172             return null;
173         }
174
175         DBConnectionInfo dataSource = (DBConnectionInfo) editor.createDetail(
176                 domain,
177                 getName(),
178                 DBConnectionInfo.class);
179
180         Object JavaDoc adapter = view.getAdapters().getSelectedItem();
181         if (NO_ADAPTER.equals(adapter)) {
182             adapter = null;
183         }
184
185         if (adapter != null) {
186             String JavaDoc adapterString = adapter.toString();
187             dataSource.setDbAdapter(adapterString);
188
189             // guess adapter defaults...
190
AdapterMapping defaultMap = getApplication().getAdapterMapping();
191             dataSource.setJdbcDriver(defaultMap.jdbcDriverForAdapter(adapterString));
192             dataSource.setUrl(defaultMap.jdbcURLForAdapter(adapterString));
193         }
194
195         return dataSource;
196     }
197 }
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