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Java > Open Source Codes > org > objectstyle > cayenne > modeler > editor > SelectQueryTabbedView


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.
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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
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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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;
57
58 import javax.swing.JScrollPane JavaDoc;
59 import javax.swing.JTabbedPane JavaDoc;
60 import javax.swing.event.ChangeEvent JavaDoc;
61 import javax.swing.event.ChangeListener JavaDoc;
62
63 import org.objectstyle.cayenne.modeler.ProjectController;
64 import org.objectstyle.cayenne.modeler.event.QueryDisplayEvent;
65 import org.objectstyle.cayenne.modeler.event.QueryDisplayListener;
66 import org.objectstyle.cayenne.query.SelectQuery;
67
68 /**
69  * A tabbed view for configuring a select query.
70  *
71  * @author Andrei Adamchik
72  */

73 public class SelectQueryTabbedView extends JTabbedPane JavaDoc {
74
75     protected ProjectController mediator;
76     protected SelectQueryMainTab mainTab;
77     protected SelectQueryPrefetchTab prefetchTab;
78     protected SelectQueryOrderingTab orderingTab;
79     protected int lastSelectionIndex;
80
81     public SelectQueryTabbedView(ProjectController mediator) {
82         this.mediator = mediator;
83
84         initView();
85         initController();
86     }
87
88     private void initView() {
89         setTabPlacement(JTabbedPane.TOP);
90
91         this.mainTab = new SelectQueryMainTab(mediator);
92         addTab("General", new JScrollPane JavaDoc(mainTab));
93
94         this.orderingTab = new SelectQueryOrderingTab(mediator);
95         addTab("Orderings", new JScrollPane JavaDoc(orderingTab));
96
97         this.prefetchTab = new SelectQueryPrefetchTab(mediator);
98         addTab("Prefetches", new JScrollPane JavaDoc(prefetchTab));
99     }
100
101     private void initController() {
102         mediator.addQueryDisplayListener(new QueryDisplayListener() {
103
104             public void currentQueryChanged(QueryDisplayEvent e) {
105                 initFromModel();
106             }
107         });
108
109         this.addChangeListener(new ChangeListener JavaDoc() {
110
111             public void stateChanged(ChangeEvent JavaDoc e) {
112                 lastSelectionIndex = getSelectedIndex();
113                 updateTabs();
114             }
115         });
116     }
117
118     void initFromModel() {
119         if (!(mediator.getCurrentQuery() instanceof SelectQuery)) {
120             setVisible(false);
121             return;
122         }
123
124         // if no root, reset tabs to show the first panel..
125
if (mediator.getCurrentQuery().getRoot() == null) {
126             lastSelectionIndex = 0;
127         }
128
129         // tab did not change - force update
130
if (getSelectedIndex() == lastSelectionIndex) {
131             updateTabs();
132         }
133         // change tab, this will update newly displayed tab...
134
else {
135             setSelectedIndex(lastSelectionIndex);
136         }
137
138         setVisible(true);
139     }
140
141     void updateTabs() {
142         switch (lastSelectionIndex) {
143             case 0:
144                 mainTab.initFromModel();
145                 break;
146             case 1:
147                 orderingTab.initFromModel();
148                 break;
149             case 2:
150                 prefetchTab.initFromModel();
151                 break;
152         }
153     }
154 }
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