1 package org.simantics.scl.ui.issues;
3 import java.util.ArrayList;
4 import java.util.Arrays;
5 import java.util.Collections;
6 import java.util.concurrent.atomic.AtomicBoolean;
8 import org.eclipse.jface.viewers.IStructuredContentProvider;
9 import org.eclipse.jface.viewers.Viewer;
10 import org.eclipse.swt.widgets.Control;
11 import org.simantics.scl.compiler.errors.CompilationError;
12 import org.simantics.scl.compiler.errors.Failable;
13 import org.simantics.scl.compiler.errors.Failure;
14 import org.simantics.scl.compiler.module.Module;
15 import org.simantics.scl.compiler.module.repository.ModuleRepository;
16 import org.simantics.scl.compiler.module.repository.UpdateListener;
18 import gnu.trove.map.hash.THashMap;
19 import gnu.trove.procedure.TObjectProcedure;
21 public class SCLIssuesContentProvider implements IStructuredContentProvider {
23 public static final int MAX_ISSUE_COUNT = 1000;
26 ModuleRepository repository;
27 boolean disposed = false;
28 AtomicBoolean refreshInProgress = new AtomicBoolean(false);
30 THashMap<String, Failure> currentFailures = new THashMap<String, Failure>();
31 THashMap<String, UpdateListener> updateListeners = new THashMap<String, UpdateListener>();
34 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
36 this.repository = (ModuleRepository)newInput;
41 private UpdateListener getUpdateListener(String moduleName) {
42 UpdateListener listener = updateListeners.get(moduleName);
43 if(listener == null) {
44 listener = new UpdateListener() {
46 public void notifyAboutUpdate() {
48 listenModule(moduleName);
51 updateListeners.put(moduleName, listener);
56 private void listenModule(String moduleName) {
57 if(repository == null)
59 Failable<Module> result = repository.getModule(moduleName, getUpdateListener(moduleName));
60 synchronized(currentFailures) {
61 if(result instanceof Failure) {
62 Failure failure = (Failure)result;
63 currentFailures.put(moduleName, failure);
66 if(currentFailures.remove(moduleName) == null)
72 private void refresh() {
73 if(!refreshInProgress.compareAndSet(false, true))
77 Control control = viewer.getControl();
78 if(control.isDisposed() || disposed)
80 control.getDisplay().asyncExec(new Runnable() {
83 if(control.isDisposed() || disposed)
85 refreshInProgress.set(false);
91 private void listenIssues() {
94 if(repository == null)
96 repository.getSourceRepository().forAllModules(new TObjectProcedure<String>() {
98 public boolean execute(String moduleName) {
99 listenModule(moduleName);
108 public void dispose() {
109 this.disposed = true;
113 public Object[] getElements(Object inputElement) {
114 ArrayList<SCLIssuesTableEntry> result = new ArrayList<SCLIssuesTableEntry>();
115 synchronized(currentFailures) {
116 String[] moduleNames = currentFailures.keySet().toArray(new String[currentFailures.size()]);
117 Arrays.sort(moduleNames);
118 for(String moduleName : moduleNames) {
119 Failure failure = currentFailures.get(moduleName);
120 for(CompilationError error : failure.errors)
121 result.add(new SCLIssuesTableEntry(moduleName, error));
122 if(result.size() >= MAX_ISSUE_COUNT)
126 Collections.sort(result);
127 return result.toArray();