|
1
11 package org.eclipse.ui.internal.navigator.extensions;
12
13 import java.util.HashSet  ;
14 import java.util.Properties ;
15 import java.util.Set ;
16
17 import org.eclipse.core.runtime.IConfigurationElement;
18 import org.eclipse.core.runtime.IStatus;
19 import org.eclipse.osgi.util.NLS;
20 import org.eclipse.ui.internal.navigator.CommonNavigatorMessages;
21 import org.eclipse.ui.internal.navigator.NavigatorPlugin;
22 import org.eclipse.ui.navigator.CommonActionProvider;
23 import org.eclipse.ui.navigator.INavigatorViewerDescriptor;
24 import org.eclipse.ui.navigator.MenuInsertionPoint;
25 import org.eclipse.ui.navigator.NavigatorActionService;
26
27
33 public final class NavigatorViewerDescriptor implements
34 INavigatorViewerDescriptor {
35
36
37
41 public static final String PROP_ENFORCE_HAS_CHILDREN = "org.eclipse.ui.navigator.enforceHasChildren";
43 static final String TAG_INCLUDES = "includes";
45 static final String TAG_EXCLUDES = "excludes";
47 static final String ATT_IS_ROOT = "isRoot";
49 static final String ATT_PATTERN = "pattern";
51 private static final String TAG_CONTENT_EXTENSION = "contentExtension";
53 private static final String TAG_ACTION_EXTENSION = "actionExtension";
55 private final String viewerId;
56
57 private String popupMenuId = null;
58
59 private Binding actionBinding = new Binding(TAG_ACTION_EXTENSION);
60
61 private Binding contentBinding = new Binding(TAG_CONTENT_EXTENSION);
62
63 private MenuInsertionPoint[] customInsertionPoints = null;
64
65 private boolean allowsPlatformContributions = true;
66
67 private final Properties properties = new Properties ();
68
69 private Set dragAssistants;
70
71
77 NavigatorViewerDescriptor(String aViewerId) {
78 super();
79 this.viewerId = aViewerId;
80 }
81
82
87 public String getViewerId() {
88 return viewerId;
89 }
90
91
96 public String getPopupMenuId() {
97 return popupMenuId != null ? popupMenuId : viewerId;
98 }
99
100
107 public void consumeActionBinding(IConfigurationElement element) {
108 consumeBinding(element, false);
109 }
110
111
118 public void consumeContentBinding(IConfigurationElement element) {
119 consumeBinding(element, true);
120 }
121
122 public boolean isRootExtension(String aContentExtensionId) {
123 return contentBinding.isRootExtension(aContentExtensionId);
124 }
125
126 public boolean allowsPlatformContributionsToContextMenu() {
127 return allowsPlatformContributions;
128 }
129
130 public boolean isVisibleContentExtension(String aContentExtensionId) {
131 return contentBinding.isVisibleExtension(aContentExtensionId);
132 }
133
134 public boolean isVisibleActionExtension(String anActionExtensionId) {
135 return actionBinding.isVisibleExtension(anActionExtensionId);
136 }
137
138 public boolean hasOverriddenRootExtensions() {
139 return contentBinding.hasOverriddenRootExtensions();
140 }
141
142 public MenuInsertionPoint[] getCustomInsertionPoints() {
143 return customInsertionPoints;
144 }
145
146
154 public void setCustomInsertionPoints(
155 MenuInsertionPoint[] newCustomInsertionPoints) {
156 if (customInsertionPoints != null) {
157 NavigatorPlugin
158 .logError(
159 0,
160 "Attempt to override custom insertion points denied. Verify there are no colliding org.eclipse.ui.navigator.viewer extension points.", null); return; }
163 customInsertionPoints = newCustomInsertionPoints;
164 }
165
166
173 public void setAllowsPlatformContributions(
174 boolean toAllowPlatformContributions) {
175 allowsPlatformContributions = toAllowPlatformContributions;
176 }
177
178
183 public String getStringConfigProperty(String aPropertyName) {
184 return properties.getProperty(aPropertyName);
185 }
186
187
192 public boolean getBooleanConfigProperty(String aPropertyName) {
193 String propValue = properties.getProperty(aPropertyName);
194 if (propValue == null) {
195 return false;
196 }
197 return Boolean.valueOf(propValue).booleanValue();
198 }
199
200
201 void setProperty(String aPropertyName, String aPropertyValue) {
202 properties.setProperty(aPropertyName, aPropertyValue);
203 }
204
205
210 public String toString() {
211 return "ViewerDescriptor[" + viewerId + "]"; }
213
214
221 void setPopupMenuId(String newPopupMenuId) {
222
223 if (newPopupMenuId != null) {
224 if (popupMenuId != null) {
225 NavigatorPlugin
226 .log(
227 IStatus.WARNING,
228 0,
229 NLS
230 .bind(
231 CommonNavigatorMessages.NavigatorViewerDescriptor_Popup_Menu_Overridden,
232 new Object [] { getViewerId(),
233 popupMenuId,
234 newPopupMenuId }), null);
235 }
236 popupMenuId = newPopupMenuId;
237 }
238 }
239
240
244 void addDragAssistant(CommonDragAssistantDescriptor descriptor) {
245 getDragAssistants().add(descriptor);
246
247 }
248
249
254 public Set getDragAssistants() {
255 if (dragAssistants == null) {
256 dragAssistants = new HashSet ();
257 }
258 return dragAssistants;
259 }
260
261 private void consumeBinding(IConfigurationElement element, boolean isContent) {
262 IConfigurationElement[] includesElement = element
263 .getChildren(TAG_INCLUDES);
264
265 if (includesElement.length == 1) {
266 if (isContent) {
267 contentBinding.consumeIncludes(includesElement[0], true);
268 } else {
269 actionBinding.consumeIncludes(includesElement[0], false);
270 }
271 } else if (includesElement.length >= 1) {
272 NavigatorPlugin.logError(0, NLS.bind(
273 CommonNavigatorMessages.Too_many_elements_Warning,
274 new Object [] {
275 TAG_INCLUDES,
276 element.getDeclaringExtension()
277 .getUniqueIdentifier(),
278 element.getDeclaringExtension().getNamespaceIdentifier() }),
279 null);
280 }
281
282 IConfigurationElement[] excludesElement = element
283 .getChildren(TAG_EXCLUDES);
284
285 if (excludesElement.length == 1) {
286
287 if (isContent) {
288 contentBinding.consumeExcludes(excludesElement[0]);
289 } else {
290 actionBinding.consumeExcludes(excludesElement[0]);
291 }
292 } else if (excludesElement.length >= 1) {
293 NavigatorPlugin.logError(0, NLS.bind(
294 CommonNavigatorMessages.Too_many_elements_Warning,
295 new Object [] {
296 TAG_EXCLUDES,
297 element.getDeclaringExtension()
298 .getUniqueIdentifier(),
299 element.getDeclaringExtension().getNamespaceIdentifier() }),
300 null);
301 }
302 }
303
304 }
305 |
Popular Tags |
Java API By Example, From Geeks To Geeks.