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


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
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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
60 import org.objectstyle.cayenne.gen.DefaultClassGenerator;
61 import org.objectstyle.cayenne.modeler.util.CayenneController;
62 import org.objectstyle.cayenne.pref.CayennePreferenceEditor;
63 import org.objectstyle.cayenne.pref.CayennePreferenceService;
64 import org.objectstyle.cayenne.pref.Domain;
65 import org.objectstyle.cayenne.pref.PreferenceDetail;
66 import org.objectstyle.cayenne.pref.PreferenceEditor;
67 import org.objectstyle.cayenne.swing.BindingBuilder;
68 import org.objectstyle.cayenne.swing.ObjectBinding;
69 import org.objectstyle.cayenne.validation.ValidationException;
70
71 /**
72  * @author Andrei Adamchik
73  */
74 public class GeneralPreferences extends CayenneController {
75
76     public static final String JavaDoc ENCODING_PREFERENCE = "encoding";
77
78     protected GeneralPreferencesView view;
79     protected CayennePreferenceEditor editor;
80     protected PreferenceDetail classGeneratorPreferences;
81
82     protected ObjectBinding saveIntervalBinding;
83     protected ObjectBinding encodingBinding;
84
85     public GeneralPreferences(PreferenceDialog parentController) {
86         super(parentController);
87         this.view = new GeneralPreferencesView();
88
89         PreferenceEditor editor = parentController.getEditor();
90         if (editor instanceof CayennePreferenceEditor) {
91             this.editor = (CayennePreferenceEditor) editor;
92             this.view.setEnabled(true);
93             initBindings();
94
95             saveIntervalBinding.updateView();
96             encodingBinding.updateView();
97         }
98         else {
99             this.view.setEnabled(false);
100         }
101     }
102
103     public Component JavaDoc getView() {
104         return view;
105     }
106
107     protected void initBindings() {
108         // init model objects
109 Domain classGeneratorDomain = editor.editableInstance(getApplication()
110                 .getPreferenceDomain()).getSubdomain(DefaultClassGenerator.class);
111         this.classGeneratorPreferences = classGeneratorDomain
112                 .getDetail(ENCODING_PREFERENCE, true);
113
114         // build child controllers...
115 EncodingSelector encodingSelector = new EncodingSelector(this, view
116                 .getEncodingSelector());
117
118         // create bindings...
119 BindingBuilder builder = new BindingBuilder(
120                 getApplication().getBindingFactory(),
121                 this);
122
123         this.saveIntervalBinding = builder.bindToTextField(view.getSaveInterval(),
124                 "timeInterval");
125
126         this.encodingBinding = builder.bindToProperty(encodingSelector,
127                 "classGeneratorPreferences.property[\"encoding\"]",
128                 EncodingSelector.ENCODING_PROPERTY_BINDING);
129     }
130
131     public double getTimeInterval() {
132         return this.editor.getSaveInterval() / 1000.0;
133     }
134
135     public void setTimeInterval(double d) {
136         int ms = (int) (d * 1000.0);
137         if (ms < CayennePreferenceService.MIN_SAVE_INTERVAL) {
138             throw new ValidationException(
139                     "Time interval is too small, minimum allowed is "
140                             + (CayennePreferenceService.MIN_SAVE_INTERVAL / 1000.0));
141         }
142
143         this.editor.setSaveInterval(ms);
144     }
145
146     public PreferenceDetail getClassGeneratorPreferences() {
147         return classGeneratorPreferences;
148     }
149 }
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