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1
11 package org.eclipse.ui.internal.registry;
12
13 import java.util.ArrayList  ;
14 import java.util.Arrays ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.CoreException;
18 import org.eclipse.core.runtime.IConfigurationElement;
19 import org.eclipse.core.runtime.IExtension;
20 import org.eclipse.core.runtime.IStatus;
21 import org.eclipse.core.runtime.Status;
22 import org.eclipse.jface.resource.ImageDescriptor;
23 import org.eclipse.ui.IPluginContribution;
24 import org.eclipse.ui.IWorkingSetElementAdapter;
25 import org.eclipse.ui.IWorkingSetUpdater;
26 import org.eclipse.ui.dialogs.IWorkingSetPage;
27 import org.eclipse.ui.internal.WorkbenchPlugin;
28 import org.eclipse.ui.plugin.AbstractUIPlugin;
29
30
36 public class WorkingSetDescriptor implements IPluginContribution {
37 private String id;
38
39 private String name;
40
41 private String icon;
42
43 private String pageClassName;
44
45 private String updaterClassName;
46
47 private IConfigurationElement configElement;
48
49 private String [] classTypes;
50
51 private String [] adapterTypes;
52
53 private static final String ATT_ID = "id";
55 private static final String ATT_NAME = "name";
57 private static final String ATT_ICON = "icon";
59 private static final String ATT_PAGE_CLASS = "pageClass";
61 private static final String ATT_UPDATER_CLASS = "updaterClass";
63 private static final String ATT_ELEMENT_ADAPTER_CLASS = "elementAdapterClass";
65 private static final String TAG_APPLICABLE_TYPE = "applicableType";
67
72 public WorkingSetDescriptor(IConfigurationElement configElement)
73 throws CoreException {
74 super();
75 this.configElement = configElement;
76 id = configElement.getAttribute(ATT_ID);
77 name = configElement.getAttribute(ATT_NAME);
78 icon = configElement.getAttribute(ATT_ICON);
79 pageClassName = configElement.getAttribute(ATT_PAGE_CLASS);
80 updaterClassName = configElement.getAttribute(ATT_UPDATER_CLASS);
81
82 if (name == null) {
83 throw new CoreException(new Status(IStatus.ERROR,
84 WorkbenchPlugin.PI_WORKBENCH, 0,
85 "Invalid extension (missing class name): " + id, null));
87 }
88
89 IConfigurationElement[] containsChildren = configElement
90 .getChildren(TAG_APPLICABLE_TYPE);
91 if (containsChildren.length > 0) {
92 List byClassList = new ArrayList (containsChildren.length);
93 List byAdapterList = new ArrayList (containsChildren.length);
94 for (int i = 0; i < containsChildren.length; i++) {
95 IConfigurationElement child = containsChildren[i];
96 String className = child
97 .getAttribute(IWorkbenchRegistryConstants.ATT_CLASS);
98 if (className != null)
99 byClassList.add(className);
100 if ("true".equals(child.getAttribute(IWorkbenchRegistryConstants.ATT_ADAPTABLE))) byAdapterList.add(className);
102 }
103 if (!byClassList.isEmpty()) {
104 classTypes = (String []) byClassList.toArray(new String [byClassList
105 .size()]);
106 Arrays.sort(classTypes);
107 }
108
109 if (!byAdapterList.isEmpty()) {
110 adapterTypes = (String []) byAdapterList.toArray(new String [byAdapterList
111 .size()]);
112 Arrays.sort(adapterTypes);
113 }
114 }
115 }
116
117
122 public String getDeclaringNamespace() {
123 return configElement.getNamespace();
124 }
125
126
134 public String getUpdaterNamespace() {
135 return WorkbenchPlugin.getBundleForExecutableExtension(configElement,
136 ATT_UPDATER_CLASS).getSymbolicName();
137 }
138
139
147 public String getElementAdapterNamespace() {
148 return WorkbenchPlugin.getBundleForExecutableExtension(configElement,
149 ATT_UPDATER_CLASS).getSymbolicName();
150 }
151
152
157 public IWorkingSetPage createWorkingSetPage() {
158 Object page = null;
159
160 if (pageClassName != null) {
161 try {
162 page = WorkbenchPlugin.createExtension(configElement,
163 ATT_PAGE_CLASS);
164 } catch (CoreException exception) {
165 WorkbenchPlugin.log("Unable to create working set page: " + pageClassName, exception.getStatus());
167 }
168 }
169 return (IWorkingSetPage) page;
170 }
171
172
177 public ImageDescriptor getIcon() {
178 if (icon == null) {
179 return null;
180 }
181
182 IExtension extension = configElement.getDeclaringExtension();
183 String extendingPluginId = extension.getNamespace();
184 return AbstractUIPlugin.imageDescriptorFromPlugin(extendingPluginId,
185 icon);
186 }
187
188
193 public String getId() {
194 return id;
195 }
196
197
203 public String getPageClassName() {
204 return pageClassName;
205 }
206
207
213 public String getName() {
214 return name;
215 }
216
217
223 public String getUpdaterClassName() {
224 return updaterClassName;
225 }
226
227
233 public IWorkingSetElementAdapter createWorkingSetElementAdapter() {
234 if (!WorkbenchPlugin.hasExecutableExtension(configElement, ATT_ELEMENT_ADAPTER_CLASS))
235 return null;
236 IWorkingSetElementAdapter result = null;
237 try {
238 result = (IWorkingSetElementAdapter) WorkbenchPlugin
239 .createExtension(configElement, ATT_ELEMENT_ADAPTER_CLASS);
240 } catch (CoreException exception) {
241 WorkbenchPlugin.log("Unable to create working set element adapter: " + result, exception.getStatus());
243 }
244 return result;
245 }
246
247
253 public IWorkingSetUpdater createWorkingSetUpdater() {
254 if (updaterClassName == null) {
255 return null;
256 }
257 IWorkingSetUpdater result = null;
258 try {
259 result = (IWorkingSetUpdater)WorkbenchPlugin.createExtension(configElement, ATT_UPDATER_CLASS);
260 } catch (CoreException exception) {
261 WorkbenchPlugin.log("Unable to create working set updater: " + updaterClassName, exception.getStatus());
263 }
264 return result;
265 }
266
267 public boolean isUpdaterClassLoaded() {
268 return WorkbenchPlugin.isBundleLoadedForExecutableExtension(configElement, ATT_UPDATER_CLASS);
269 }
270
271 public boolean isElementAdapterClassLoaded() {
272 return WorkbenchPlugin.isBundleLoadedForExecutableExtension(configElement, ATT_ELEMENT_ADAPTER_CLASS);
273 }
274
275
283 public boolean isEditable() {
284 return getPageClassName() != null;
285 }
286
287 public String getLocalId() {
288 return getId();
289 }
290
291 public String getPluginId() {
292 return getDeclaringNamespace();
293 }
294
295
301 public IConfigurationElement getConfigurationElement() {
302 return configElement;
303 }
304 }
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