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1
11 package org.eclipse.pde.internal.ui.editor.text;
12
13 import java.util.HashMap  ;
14 import java.util.Iterator ;
15 import java.util.Map ;
16
17 import org.eclipse.jdt.internal.ui.JavaPlugin;
18 import org.eclipse.jface.preference.IPreferenceStore;
19 import org.eclipse.jface.preference.PreferenceConverter;
20 import org.eclipse.jface.resource.StringConverter;
21 import org.eclipse.jface.util.PropertyChangeEvent;
22 import org.eclipse.pde.internal.ui.PDEPlugin;
23 import org.eclipse.swt.SWT;
24 import org.eclipse.swt.graphics.Color;
25 import org.eclipse.swt.graphics.RGB;
26 import org.eclipse.swt.widgets.Display;
27
28 public class ColorManager implements IColorManager, IPDEColorConstants {
29
30 private static ColorManager fColorManager;
31 private Map fColorTable = new HashMap (5);
32 private static int counter = 0;
33
34 public ColorManager() {
35 initialize();
36 }
37
38 public static IColorManager getDefault(){
39 if (fColorManager == null)
40 fColorManager = new ColorManager();
41
42 counter += 1;
43 return fColorManager;
44 }
45
46 public static void initializeDefaults(IPreferenceStore store) {
47 PreferenceConverter.setDefault(store, P_DEFAULT, DEFAULT);
48 PreferenceConverter.setDefault(store, P_PROC_INSTR, PROC_INSTR);
49 PreferenceConverter.setDefault(store, P_STRING, STRING);
50 PreferenceConverter.setDefault(store, P_TAG, TAG);
51 PreferenceConverter.setDefault(store, P_XML_COMMENT, XML_COMMENT);
52 PreferenceConverter.setDefault(store, P_HEADER_KEY, HEADER_KEY);
53 PreferenceConverter.setDefault(store, P_HEADER_OSGI, HEADER_OSGI);
54 store.setDefault(P_HEADER_OSGI + IPDEColorConstants.P_BOLD_SUFFIX, true);
55 PreferenceConverter.setDefault(store, P_HEADER_VALUE, HEADER_VALUE);
56 PreferenceConverter.setDefault(store, P_HEADER_ATTRIBUTES, HEADER_ATTRIBUTES);
57 store.setDefault(P_HEADER_ATTRIBUTES + IPDEColorConstants.P_ITALIC_SUFFIX, true);
58 PreferenceConverter.setDefault(store, P_HEADER_ASSIGNMENT, HEADER_ASSIGNMENT);
59 }
60
61 private void initialize() {
62 IPreferenceStore pstore = PDEPlugin.getDefault().getPreferenceStore();
63 putColor(pstore, P_DEFAULT);
64 putColor(pstore, P_PROC_INSTR);
65 putColor(pstore, P_STRING);
66 putColor(pstore, P_TAG);
67 putColor(pstore, P_XML_COMMENT);
68 putColor(pstore, P_HEADER_KEY);
69 putColor(pstore, P_HEADER_OSGI);
70 putColor(pstore, P_HEADER_VALUE);
71 putColor(pstore, P_HEADER_ATTRIBUTES);
72 putColor(pstore, P_HEADER_ASSIGNMENT);
73 pstore = JavaPlugin.getDefault().getCombinedPreferenceStore();
74 for (int i = 0; i < IColorManager.PROPERTIES_COLORS.length; i++) {
75 putColor(pstore, IColorManager.PROPERTIES_COLORS[i]);
76 }
77 }
78
79 public void disposeColors(boolean resetSingleton) {
80 Iterator e = fColorTable.values().iterator();
81 while (e.hasNext())
82 ((Color) e.next()).dispose();
83 if (resetSingleton)
84 fColorManager = null;
85
86 }
87 public void dispose() {
88 counter--;
89 if (counter == 0)
90 disposeColors(true);
91 }
92
93 private void putColor(IPreferenceStore pstore, String property) {
94 putColor(property, PreferenceConverter.getColor(pstore, property));
95 }
96
97 private void putColor(String property, RGB setting) {
98 Color oldColor = (Color) fColorTable.get(property);
99 if (oldColor != null){
100 if (oldColor.getRGB().equals(setting))
101 return;
102 oldColor.dispose();
103 }
104 fColorTable.put(property, new Color(Display.getCurrent(), setting));
105 }
106
107 public Color getColor(String key) {
108 Color color = (Color) fColorTable.get(key);
109 if (color == null)
110 color = Display.getCurrent().getSystemColor(SWT.COLOR_LIST_FOREGROUND);
111 return color;
112 }
113
114 public void handlePropertyChangeEvent(PropertyChangeEvent event) {
115 Object color = event.getNewValue();
116 if (color instanceof RGB) {
117 putColor(event.getProperty(), (RGB)color);
118 } else {
119 putColor(event.getProperty(), StringConverter.asRGB(color.toString()));
120 }
121 }
122 }
123 |
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