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1
19
20 package org.netbeans.modules.editor.completion;
21
22 import java.awt.Color  ;
23 import java.awt.Dimension ;
24 import java.lang.ref.Reference ;
25 import java.lang.ref.WeakReference ;
26 import java.util.HashMap ;
27 import java.util.Map ;
28 import javax.swing.text.JTextComponent ;
29 import org.netbeans.editor.Settings;
30 import org.netbeans.editor.SettingsChangeEvent;
31 import org.netbeans.editor.SettingsChangeListener;
32 import org.netbeans.editor.Utilities;
33 import org.netbeans.editor.ext.ExtSettingsDefaults;
34 import org.netbeans.editor.ext.ExtSettingsNames;
35
36
42
43 public final class CompletionSettings implements SettingsChangeListener {
44
45 public static final CompletionSettings INSTANCE = new CompletionSettings();
46
47 private static final Object NULL_VALUE = new Object ();
48
49 private Reference <JTextComponent > editorComponentRef;
50
51 private Map <String , Object > settingName2value = new HashMap <String , Object >();
52
53 private CompletionSettings() {
54 Settings.addSettingsChangeListener(this);
55 }
56
57 public boolean completionAutoPopup() {
58 return ((Boolean )getValue(
59 ExtSettingsNames.COMPLETION_AUTO_POPUP,
60 ExtSettingsDefaults.defaultCompletionAutoPopup)
61 ).booleanValue();
62 }
63
64 public int completionAutoPopupDelay() {
65 return ((Integer )getValue(
66 ExtSettingsNames.COMPLETION_AUTO_POPUP_DELAY,
67 ExtSettingsDefaults.defaultCompletionAutoPopupDelay)
68 ).intValue();
69 }
70
71 public boolean documentationAutoPopup() {
72 return ((Boolean )getValue(
73 ExtSettingsNames.JAVADOC_AUTO_POPUP,
74 ExtSettingsDefaults.defaultJavaDocAutoPopup)
75 ).booleanValue();
76 }
77
78 public int documentationAutoPopupDelay() {
79 return ((Integer )getValue(
80 ExtSettingsNames.JAVADOC_AUTO_POPUP_DELAY,
81 ExtSettingsDefaults.defaultJavaDocAutoPopupDelay)
82 ).intValue();
83 }
84
85 public Dimension completionPopupMaximumSize() {
86 return (Dimension )getValue(
87 ExtSettingsNames.COMPLETION_PANE_MAX_SIZE,
88 ExtSettingsDefaults.defaultCompletionPaneMaxSize);
89 }
90
91 public Dimension documentationPopupPreferredSize() {
92 return (Dimension )getValue(
93 ExtSettingsNames.JAVADOC_PREFERRED_SIZE,
94 ExtSettingsDefaults.defaultJavaDocPreferredSize);
95 }
96
97 public Color documentationBackgroundColor() {
98 return (Color )CompletionSettings.INSTANCE.getValue(
99 ExtSettingsNames.JAVADOC_BG_COLOR,
100 ExtSettingsDefaults.defaultJavaDocBGColor);
101 }
102
103 public boolean completionInstantSubstitution() {
104 return ((Boolean )getValue(
105 ExtSettingsNames.COMPLETION_INSTANT_SUBSTITUTION,
106 ExtSettingsDefaults.defaultCompletionInstantSubstitution)
107 ).booleanValue();
108 }
109
110 public void notifyEditorComponentChange(JTextComponent newEditorComponent) {
111 this.editorComponentRef = new WeakReference <JTextComponent >(newEditorComponent);
112 clearSettingValues();
113 }
114
115 public Object getValue(String settingName) {
116 Object value;
117 synchronized (this) {
118 value = settingName2value.get(settingName);
119 }
120
121 if (value == null) {
122 JTextComponent c = editorComponentRef.get();
123 if (c != null) {
124 Class kitClass = Utilities.getKitClass(c);
125 if (kitClass != null) {
126 value = Settings.getValue(kitClass, settingName);
127 if (value == null) {
128 value = NULL_VALUE;
129 }
130 }
131 }
132
133 if (value != null) {
134 synchronized (this) {
135 settingName2value.put(settingName, value);
136 }
137 }
138 }
139
140 if (value == NULL_VALUE) {
141 value = null;
142 }
143 return value;
144 }
145
146 public Object getValue(String settingName, Object defaultValue) {
147 Object value = getValue(settingName);
148 if (value == null) {
149 value = defaultValue;
150 }
151 return value;
152 }
153
154 public void settingsChange(SettingsChangeEvent evt) {
155 clearSettingValues();
156 }
157
158 private synchronized void clearSettingValues() {
159 settingName2value.clear();
160 }
161 }
162 |
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