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1
13 package org.eclipse.ui.internal.progress;
14
15 import java.util.ArrayList  ;
16 import java.util.List ;
17
18 import org.eclipse.core.runtime.IProgressMonitor;
19 import org.eclipse.osgi.util.NLS;
20
21
24
25 class GroupInfo extends JobTreeElement implements IProgressMonitor {
26
27 private List infos = new ArrayList ();
28
29 private Object lock = new Object ();
30
31 private String taskName;
32
33 boolean isActive = false;
34
35 double total = -1;
36
37 double currentWork;
38
39
44 Object getParent() {
45 return null;
46 }
47
48
53 boolean hasChildren() {
54 synchronized (lock) {
55 return !infos.isEmpty();
56 }
57
58 }
59
60
65 Object [] getChildren() {
66 synchronized (lock) {
67 return infos.toArray();
68 }
69 }
70
71
76 String getDisplayString() {
77 if (total < 0) {
78 return taskName;
79 }
80 String [] messageValues = new String [2];
81 messageValues[0] = taskName;
82 messageValues[1] = String.valueOf(getPercentDone());
83 return NLS.bind(ProgressMessages.JobInfo_NoTaskNameDoneMessage, messageValues);
84
85 }
86
87
92 int getPercentDone() {
93 return (int) (currentWork * 100 / total);
94 }
95
96
101 boolean isJobInfo() {
102 return false;
103 }
104
105
110 public int compareTo(Object arg0) {
111 return getDisplayString().compareTo(
112 ((JobTreeElement) arg0).getDisplayString());
113 }
114
115
121 public void beginTask(String name, int totalWork) {
122 taskName = name;
123 total = totalWork;
124 synchronized (lock) {
125 isActive = true;
126 }
127 ProgressManager.getInstance().refreshGroup(this);
128
129 }
130
131
136 public void done() {
137 synchronized (lock) {
138 isActive = false;
139 }
140 ProgressManager.getInstance().removeGroup(this);
141
142 }
143
144
149 public void internalWorked(double work) {
150 synchronized (lock) {
151 currentWork += work;
152 }
153
154 }
155
156
161 public boolean isCanceled() {
162 return false;
164 }
165
166
171 public void setCanceled(boolean value) {
172 cancel();
173 }
174
175
180 public void setTaskName(String name) {
181 synchronized (this) {
182 isActive = true;
183 }
184 taskName = name;
185
186 }
187
188
193 public void subTask(String name) {
194 }
196
197
202 public void worked(int work) {
203 internalWorked(work);
204 }
205
206
211 void removeJobInfo(final JobInfo job) {
212 synchronized (lock) {
213 infos.remove(job);
214 if (infos.isEmpty()) {
215 done();
216 }
217 }
218 }
219
220
225 void addJobInfo(final JobInfo job) {
226 synchronized (lock) {
227 infos.add(job);
228 }
229 }
230
231
236 boolean isActive() {
237 return isActive;
238 }
239
240
245 public void cancel() {
246 Object [] jobInfos = getChildren();
247 for (int i = 0; i < jobInfos.length; i++) {
248 ((JobInfo) jobInfos[i]).cancel();
249 }
250 }
251
252
257 public boolean isCancellable() {
258 return true;
259 }
260
261
265 String getTaskName() {
266 return taskName;
267 }
268
269 }
270
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