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Java > Open Source Codes > org > objectstyle > cayenne > modeler > util > CayenneWidgetFactory


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.
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17  * notice, this list of conditions and the following disclaimer in
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19  * distribution.
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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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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.
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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
57 package org.objectstyle.cayenne.modeler.util;
58
59 import java.awt.Color JavaDoc;
60 import java.awt.Font JavaDoc;
61 import java.awt.Insets JavaDoc;
62 import java.awt.event.ActionEvent JavaDoc;
63 import java.awt.event.ActionListener JavaDoc;
64 import java.util.Arrays JavaDoc;
65 import java.util.Collection JavaDoc;
66
67 import javax.swing.DefaultComboBoxModel JavaDoc;
68 import javax.swing.JButton JavaDoc;
69 import javax.swing.JComboBox JavaDoc;
70 import javax.swing.JComponent JavaDoc;
71 import javax.swing.JLabel JavaDoc;
72 import javax.swing.JTextField JavaDoc;
73 import javax.swing.SwingConstants JavaDoc;
74
75 /**
76  * Utility class to create standard Swing widgets following default look-and-feel of
77  * CayenneModeler.
78  *
79  * @author Andrei Adamchik
80  */
81
82 // TODO: (Andrus) investigate performance impact of substituting
83 // constructors for all new widgets with cloning the prototype
84 public class CayenneWidgetFactory {
85
86     /**
87      * Not intended for instantiation.
88      */
89     protected CayenneWidgetFactory() {
90         super();
91     }
92
93     /**
94      * Creates a new JComboBox with a collection of model objects.
95      */
96     public static JComboBox JavaDoc createComboBox(Collection JavaDoc model, boolean sort) {
97         return createComboBox(model.toArray(), sort);
98     }
99
100     /**
101      * Creates a new JComboBox with an array of model objects.
102      */
103     public static JComboBox JavaDoc createComboBox(Object JavaDoc[] model, boolean sort) {
104         JComboBox JavaDoc comboBox = CayenneWidgetFactory.createComboBox();
105
106         if (sort) {
107             Arrays.sort(model);
108         }
109
110         comboBox.setModel(new DefaultComboBoxModel JavaDoc(model));
111         return comboBox;
112     }
113
114     /**
115      * Creates a new JComboBox.
116      */
117     public static JComboBox JavaDoc createComboBox() {
118         JComboBox JavaDoc comboBox = new JComboBox JavaDoc();
119         initFormWidget(comboBox);
120         comboBox.setBackground(Color.WHITE);
121         return comboBox;
122     }
123
124     /**
125      * Creates a new JTextField with a default columns count of 20.
126      */
127     public static JTextField JavaDoc createTextField() {
128         return createTextField(20);
129     }
130
131     /**
132      * Creates a new JTextField with a specified columns count.
133      */
134     public static JTextField JavaDoc createTextField(int columns) {
135         final JTextField JavaDoc textField = new JTextField JavaDoc(columns);
136         initFormWidget(textField);
137         initTextField(textField);
138         return textField;
139     }
140
141     public static JLabel JavaDoc createLabel(String JavaDoc text) {
142         return new JLabel JavaDoc(text);
143     }
144
145     protected static void initTextField(final JTextField JavaDoc textField) {
146         // config focus
147 textField.addActionListener(new ActionListener JavaDoc() {
148
149             public void actionPerformed(ActionEvent JavaDoc e) {
150                 // transfer focus
151 textField.transferFocus();
152             }
153         });
154     }
155
156     /**
157      * Initializes a "form" element with a standard font and height.
158      */
159     protected static void initFormWidget(JComponent JavaDoc component) {
160         component.setFont(component.getFont().deriveFont(Font.PLAIN, 12));
161
162         /*
163          * Dimension size = component.getPreferredSize(); if (size == null) { size = new
164          * Dimension(); } size.setSize(size.getWidth(), 20);
165          * component.setPreferredSize(size);
166          */
167     }
168
169     /**
170      * Creates a borderless button that can be used as a clickable label.
171      */
172     public static JButton JavaDoc createLabelButton(String JavaDoc text) {
173         JButton JavaDoc but = createButton(text);
174         but.setBorderPainted(false);
175         but.setHorizontalAlignment(SwingConstants.LEFT);
176         but.setFocusPainted(false);
177         but.setMargin(new Insets JavaDoc(0, 0, 0, 0));
178         but.setBorder(null);
179         return but;
180     }
181
182     /**
183      * Creates a normal button.
184      */
185     public static JButton JavaDoc createButton(String JavaDoc text) {
186         return new JButton JavaDoc(text);
187     }
188 }
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