X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.scl.ui%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fui%2Fissues%2FSCLIssuesContentProvider.java;fp=bundles%2Forg.simantics.scl.ui%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fui%2Fissues%2FSCLIssuesContentProvider.java;h=905e6995f682a11eac0b1919194e6826cec65c8e;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/issues/SCLIssuesContentProvider.java b/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/issues/SCLIssuesContentProvider.java
new file mode 100644
index 000000000..905e6995f
--- /dev/null
+++ b/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/issues/SCLIssuesContentProvider.java
@@ -0,0 +1,130 @@
+package org.simantics.scl.ui.issues;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.widgets.Control;
+import org.simantics.scl.compiler.errors.CompilationError;
+import org.simantics.scl.compiler.errors.Failable;
+import org.simantics.scl.compiler.errors.Failure;
+import org.simantics.scl.compiler.module.Module;
+import org.simantics.scl.compiler.module.repository.ModuleRepository;
+import org.simantics.scl.compiler.module.repository.UpdateListener;
+
+import gnu.trove.map.hash.THashMap;
+import gnu.trove.procedure.TObjectProcedure;
+
+public class SCLIssuesContentProvider implements IStructuredContentProvider {
+
+    public static final int MAX_ISSUE_COUNT = 1000;
+    
+    Viewer viewer;
+    ModuleRepository repository;
+    boolean disposed = false;
+    AtomicBoolean refreshInProgress = new AtomicBoolean(false);
+    
+    THashMap<String, Failure> currentFailures = new THashMap<String, Failure>();
+    THashMap<String, UpdateListener> updateListeners = new THashMap<String, UpdateListener>(); 
+    
+    @Override
+    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+        this.viewer = viewer;
+        this.repository = (ModuleRepository)newInput;
+        if(newInput != null)
+            listenIssues();
+    }
+    
+    private UpdateListener getUpdateListener(String moduleName) {
+        UpdateListener listener = updateListeners.get(moduleName);
+        if(listener == null) {
+            listener = new UpdateListener() {
+                @Override
+                public void notifyAboutUpdate() {
+                    if(!disposed)
+                        listenModule(moduleName);
+                }
+            };
+            updateListeners.put(moduleName, listener);
+        }
+        return listener;
+    }
+    
+    private void listenModule(String moduleName) {
+        if(repository == null)
+            return;
+        Failable<Module> result = repository.getModule(moduleName, getUpdateListener(moduleName));
+        synchronized(currentFailures) {
+            if(result instanceof Failure) {
+                Failure failure = (Failure)result;
+                currentFailures.put(moduleName, failure);
+            }
+            else
+                if(currentFailures.remove(moduleName) == null)
+                    return;
+        }
+        refresh();
+    }
+    
+    private void refresh() {
+        if(!refreshInProgress.compareAndSet(false, true))
+            return;
+        if(viewer == null)
+            return;
+        Control control = viewer.getControl();
+        if(control.isDisposed() || disposed)
+            return;
+        control.getDisplay().asyncExec(new Runnable() {
+            @Override
+            public void run() {
+                if(control.isDisposed() || disposed)
+                    return;
+                refreshInProgress.set(false);
+                viewer.refresh();
+            }
+        });
+    }
+
+    private void listenIssues() {
+        new Thread() {
+            public void run() {
+                if(repository == null)
+                    return;
+                repository.getSourceRepository().forAllModules(new TObjectProcedure<String>() {
+                    @Override
+                    public boolean execute(String moduleName) {
+                        listenModule(moduleName);
+                        return true;
+                    }
+                });
+            }
+        }.start();
+    }
+
+    @Override
+    public void dispose() {
+        this.disposed = true;
+    }
+
+    @Override
+    public Object[] getElements(Object inputElement) {
+        ArrayList<SCLIssuesTableEntry> result = new ArrayList<SCLIssuesTableEntry>();
+        synchronized(currentFailures) {
+            String[] moduleNames = currentFailures.keySet().toArray(new String[currentFailures.size()]);
+            Arrays.sort(moduleNames);
+            for(String moduleName : moduleNames) {
+                Failure failure = currentFailures.get(moduleName);
+                for(CompilationError error : failure.errors)
+                    result.add(new SCLIssuesTableEntry(moduleName, error));
+                if(result.size() >= MAX_ISSUE_COUNT)
+                    break;
+            }
+        }
+        Collections.sort(result);
+        return result.toArray();
+    }
+
+}