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1
19
20 package org.netbeans.modules.apisupport.project.ui.customizer;
21
22 import java.awt.Component  ;
23 import java.beans.PropertyChangeEvent ;
24 import java.beans.PropertyChangeListener ;
25 import java.text.Collator ;
26 import java.util.ArrayList ;
27 import java.util.Arrays ;
28 import java.util.Comparator ;
29 import java.util.Iterator ;
30 import java.util.List ;
31 import java.util.SortedSet ;
32 import java.util.TreeSet ;
33 import javax.swing.ComboBoxModel ;
34 import javax.swing.DefaultListCellRenderer ;
35 import javax.swing.JLabel ;
36 import javax.swing.JList ;
37 import javax.swing.ListCellRenderer ;
38 import javax.swing.event.ListDataEvent ;
39 import javax.swing.event.ListDataListener ;
40 import javax.swing.plaf.UIResource ;
41 import org.netbeans.api.java.platform.JavaPlatform;
42 import org.netbeans.api.java.platform.JavaPlatformManager;
43 import org.openide.util.WeakListeners;
44
45
49 public class JavaPlatformComponentFactory {
50
51 private JavaPlatformComponentFactory() {}
52
53 public static ComboBoxModel javaPlatformListModel() {
54 return new Model ();
55 }
56
57 public static ListCellRenderer javaPlatformListCellRenderer() {
58 return new Renderer ();
59 }
60
61 private static final class Model implements ComboBoxModel , PropertyChangeListener , Comparator <JavaPlatform> {
62
63 private static final Collator COLL = Collator.getInstance();
64 private static final JavaPlatformManager mgr = JavaPlatformManager.getDefault();
65 private final SortedSet <JavaPlatform> platforms = new TreeSet (this);
66 private final List <ListDataListener > listeners = new ArrayList ();
67 private JavaPlatform selected;
68
69 public Model() {
70 refresh();
71 mgr.addPropertyChangeListener(WeakListeners.propertyChange(this, mgr));
72 }
73
74 private void refresh() {
75 platforms.clear();
76 platforms.addAll(Arrays.asList(mgr.getInstalledPlatforms()));
77 }
78
79 public int getSize() {
80 return platforms.size();
81 }
82
83 public Object getElementAt(int index) {
84 return (JavaPlatform) new ArrayList (platforms).get(index);
85 }
86
87 public void addListDataListener(ListDataListener l) {
88 listeners.add(l);
89 }
90
91 public void removeListDataListener(ListDataListener l) {
92 listeners.remove(l);
93 }
94
95 public void setSelectedItem(Object sel) {
96 if (sel != selected) {
97 selected = (JavaPlatform) sel;
98 fireChange();
99 }
100 }
101
102 public Object getSelectedItem() {
103 return selected;
104 }
105
106 private void fireChange() {
107 ListDataEvent ev = new ListDataEvent (this, ListDataEvent.CONTENTS_CHANGED, 0, 0);
108 Iterator it = new ArrayList (listeners).iterator();
109 while (it.hasNext()) {
110 ((ListDataListener ) it.next()).contentsChanged(ev);
111 }
112 }
113
114 public void propertyChange(PropertyChangeEvent evt) {
115 refresh();
116 fireChange();
117 }
118
119 public int compare(JavaPlatform p1, JavaPlatform p2) {
120 int res = COLL.compare(p1.getDisplayName(), p2.getDisplayName());
121 if (res != 0) {
122 return res;
123 } else {
124 String id1 = ModuleProperties.getPlatformID(p1);
125 String id2 = ModuleProperties.getPlatformID(p2);
126 if (id1 != null && id2 != null) {
127 return id1.compareTo(id2);
128 } else {
129 return System.identityHashCode(p1) - System.identityHashCode(p2);
130 }
131 }
132 }
133
134 }
135
136 private static final class Renderer extends JLabel implements ListCellRenderer , UIResource {
137
138 public Renderer() {
139 setOpaque(true);
140 }
141
142 public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
143 setName("ComboBox.listRenderer");
146 String name = value != null ? ((JavaPlatform) value).getDisplayName() : null;
147 setText(name);
148
149 if ( isSelected ) {
150 setBackground(list.getSelectionBackground());
151 setForeground(list.getSelectionForeground());
152 }
153 else {
154 setBackground(list.getBackground());
155 setForeground(list.getForeground());
156 }
157
158 return this;
159 }
160
161 public String getName() {
163 String name = super.getName();
164 return name == null ? "ComboBox.renderer" : name; }
166
167 }
168
169 }
170 |
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