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1
11 package org.eclipse.jdt.internal.debug.ui.jres;
12
13 import java.net.URL  ;
14 import java.util.ArrayList ;
15 import java.util.HashMap ;
16 import java.util.HashSet ;
17 import java.util.Iterator ;
18 import java.util.List ;
19 import java.util.Set ;
20
21 import org.eclipse.core.runtime.IPath;
22 import org.eclipse.core.runtime.Path;
23 import org.eclipse.jdt.launching.LibraryLocation;
24 import org.eclipse.jface.viewers.IStructuredSelection;
25 import org.eclipse.jface.viewers.ITreeContentProvider;
26 import org.eclipse.jface.viewers.StructuredSelection;
27 import org.eclipse.jface.viewers.Viewer;
28
29
38 public class LibraryContentProvider implements ITreeContentProvider {
39
40 private Viewer fViewer;
41
42
45 public class SubElement {
46
47 public static final int JAVADOC_URL= 1;
48 public static final int SOURCE_PATH= 2;
49
50 private LibraryStandin fParent;
51 private int fType;
52
53 public SubElement(LibraryStandin parent, int type) {
54 fParent= parent;
55 fType= type;
56 }
57
58 public LibraryStandin getParent() {
59 return fParent;
60 }
61
62 public int getType() {
63 return fType;
64 }
65
66 public void remove() {
67 switch (fType) {
68 case JAVADOC_URL:
69 fParent.setJavadocLocation(null);
70 break;
71 case SOURCE_PATH:
72 fParent.setSystemLibrarySourcePath(Path.EMPTY);
73 break;
74 }
75 }
76 }
77
78 private HashMap fChildren= new HashMap ();
79
80 private LibraryStandin[] fLibraries= new LibraryStandin[0];
81
82
85 public void dispose() {
86 fChildren.clear();
87 }
88
89
92 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
93 fViewer = viewer;
94 }
95
96
99 public Object [] getElements(Object inputElement) {
100 return fLibraries;
101 }
102
103
106 public Object [] getChildren(Object parentElement) {
107 if (parentElement instanceof LibraryStandin) {
108 LibraryStandin standin= (LibraryStandin) parentElement;
109 Object [] children= (Object [])fChildren.get(standin);
110 if (children == null) {
111 children= new Object [] {new SubElement(standin, SubElement.SOURCE_PATH), new SubElement(standin, SubElement.JAVADOC_URL)};
112 fChildren.put(standin, children);
113 }
114 return children;
115 }
116 return null;
117 }
118
119
122 public Object getParent(Object element) {
123 if (element instanceof SubElement) {
124 return ((SubElement)element).getParent();
125 }
126 return null;
127 }
128
129
132 public boolean hasChildren(Object element) {
133 return element instanceof LibraryStandin;
134 }
135
136
140 public void setLibraries(LibraryLocation[] libs) {
141 fLibraries = new LibraryStandin[libs.length];
142 for (int i = 0; i < libs.length; i++) {
143 fLibraries[i] = new LibraryStandin(libs[i]);
144 }
145 fViewer.refresh();
146 }
147
148
154 public LibraryLocation[] getLibraries() {
155 LibraryLocation[] locations = new LibraryLocation[fLibraries.length];
156 for (int i = 0; i < locations.length; i++) {
157 locations[i] = fLibraries[i].toLibraryLocation();
158 }
159 return locations;
160 }
161
162
170 private Set getSelectedLibraries(IStructuredSelection selection) {
171 Set libraries= new HashSet ();
172 for (Iterator iter= selection.iterator(); iter.hasNext();) {
173 Object element= iter.next();
174 if (element instanceof LibraryStandin) {
175 libraries.add(element);
176 } else if (element instanceof SubElement) {
177 libraries.add(((SubElement)element).getParent());
178 }
179 }
180 return libraries;
181 }
182
183
187 public void up(IStructuredSelection selection) {
188 Set libraries= getSelectedLibraries(selection);
189 for (int i= 0; i < fLibraries.length - 1; i++) {
190 if (libraries.contains(fLibraries[i + 1])) {
191 LibraryStandin temp= fLibraries[i];
192 fLibraries[i]= fLibraries[i + 1];
193 fLibraries[i + 1]= temp;
194 }
195 }
196 fViewer.refresh();
197 fViewer.setSelection(selection);
198 }
199
200
204 public void down(IStructuredSelection selection) {
205 Set libraries= getSelectedLibraries(selection);
206 for (int i= fLibraries.length - 1; i > 0; i--) {
207 if (libraries.contains(fLibraries[i - 1])) {
208 LibraryStandin temp= fLibraries[i];
209 fLibraries[i]= fLibraries[i - 1];
210 fLibraries[i - 1]= temp;
211 }
212 }
213 fViewer.refresh();
214 fViewer.setSelection(selection);
215 }
216
217
221 public void remove(IStructuredSelection selection) {
222 List newLibraries = new ArrayList ();
223 for (int i = 0; i < fLibraries.length; i++) {
224 newLibraries.add(fLibraries[i]);
225 }
226 Iterator iterator = selection.iterator();
227 while (iterator.hasNext()) {
228 Object element = iterator.next();
229 if (element instanceof LibraryStandin) {
230 newLibraries.remove(element);
231 } else {
232 SubElement subElement = (SubElement)element;
233 subElement.remove();
234 }
235 }
236 fLibraries= (LibraryStandin[]) newLibraries.toArray(new LibraryStandin[newLibraries.size()]);
237 fViewer.refresh();
238 }
239
240
247 public void add(LibraryLocation[] libs, IStructuredSelection selection) {
248 List newLibraries = new ArrayList (fLibraries.length + libs.length);
249 for (int i = 0; i < fLibraries.length; i++) {
250 newLibraries.add(fLibraries[i]);
251 }
252 List toAdd = new ArrayList (libs.length);
253 for (int i = 0; i < libs.length; i++) {
254 toAdd.add(new LibraryStandin(libs[i]));
255 }
256 if (selection.isEmpty()) {
257 newLibraries.addAll(toAdd);
258 } else {
259 Object element= selection.getFirstElement();
260 LibraryStandin firstLib;
261 if (element instanceof LibraryStandin) {
262 firstLib= (LibraryStandin) element;
263 } else {
264 firstLib= ((SubElement) element).getParent();
265 }
266 int index = newLibraries.indexOf(firstLib);
267 newLibraries.addAll(index, toAdd);
268 }
269 fLibraries= (LibraryStandin[]) newLibraries.toArray(new LibraryStandin[newLibraries.size()]);
270 fViewer.refresh();
271 fViewer.setSelection(new StructuredSelection(libs), true);
272 }
273
274
280 public void setJavadoc(URL javadocLocation, IStructuredSelection selection) {
281 Set libraries= getSelectedLibraries(selection);
282 Iterator iterator = libraries.iterator();
283 while (iterator.hasNext()) {
284 LibraryStandin standin = (LibraryStandin) iterator.next();
285 standin.setJavadocLocation(javadocLocation);
286 }
287 fViewer.refresh();
288 }
289
290
297 public void setSourcePath(IPath sourceAttachmentPath, IPath sourceAttachmentRootPath, IStructuredSelection selection) {
298 Set libraries= getSelectedLibraries(selection);
299 if (sourceAttachmentPath == null) {
300 sourceAttachmentPath = Path.EMPTY;
301 }
302 if (sourceAttachmentRootPath == null) {
303 sourceAttachmentRootPath = Path.EMPTY;
304 }
305 Iterator iterator = libraries.iterator();
306 while (iterator.hasNext()) {
307 LibraryStandin standin = (LibraryStandin) iterator.next();
308 standin.setSystemLibrarySourcePath(sourceAttachmentPath);
309 standin.setPackageRootPath(sourceAttachmentRootPath);
310 }
311 fViewer.refresh();
312 }
313
314
319 LibraryStandin[] getStandins() {
320 return fLibraries;
321 }
322 }
323 |
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