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1
11
12 package org.eclipse.ui.internal.commands;
13
14 import java.util.ArrayList  ;
15 import java.util.Collections ;
16 import java.util.List ;
17
18 abstract class AbstractCommandRegistry implements ICommandRegistry {
19
20 protected List activeKeyConfigurationDefinitions = Collections.EMPTY_LIST;
21 protected List categoryDefinitions = Collections.EMPTY_LIST;
22 protected List commandDefinitions = Collections.EMPTY_LIST;
23
24 private CommandRegistryEvent commandRegistryEvent;
25 private List commandRegistryListeners;
26 protected List handlers = Collections.EMPTY_LIST;
27 protected List imageBindingDefinitions = Collections.EMPTY_LIST;
28 protected List keyConfigurationDefinitions = Collections.EMPTY_LIST;
29 protected List keySequenceBindingDefinitions = Collections.EMPTY_LIST;
30
31 protected AbstractCommandRegistry() {
32 }
34
35 public void addCommandRegistryListener(ICommandRegistryListener commandRegistryListener) {
36 if (commandRegistryListener == null)
37 throw new NullPointerException ();
38
39 if (commandRegistryListeners == null)
40 commandRegistryListeners = new ArrayList ();
41
42 if (!commandRegistryListeners.contains(commandRegistryListener))
43 commandRegistryListeners.add(commandRegistryListener);
44 }
45
46 protected void fireCommandRegistryChanged() {
47 if (commandRegistryListeners != null) {
48 for (int i = 0; i < commandRegistryListeners.size(); i++) {
49 if (commandRegistryEvent == null)
50 commandRegistryEvent = new CommandRegistryEvent(this);
51
52 (
53 (ICommandRegistryListener) commandRegistryListeners.get(
54 i)).commandRegistryChanged(
55 commandRegistryEvent);
56 }
57 }
58 }
59
60 public List getActiveKeyConfigurationDefinitions() {
61 return activeKeyConfigurationDefinitions;
62 }
63
64 public List getCategoryDefinitions() {
65 return categoryDefinitions;
66 }
67
68 public List getCommandDefinitions() {
69 return commandDefinitions;
70 }
71
72
78 public List getHandlers() {
79 return handlers;
80 }
81
82 public List getImageBindingDefinitions() {
83 return imageBindingDefinitions;
84 }
85
86 public List getKeyConfigurationDefinitions() {
87 return keyConfigurationDefinitions;
88 }
89
90 public List getKeySequenceBindingDefinitions() {
91 return keySequenceBindingDefinitions;
92 }
93
94 public void removeCommandRegistryListener(ICommandRegistryListener commandRegistryListener) {
95 if (commandRegistryListener == null)
96 throw new NullPointerException ();
97
98 if (commandRegistryListeners != null)
99 commandRegistryListeners.remove(commandRegistryListener);
100 }
101 }
102 |
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