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%2Feditor2%2FSCLModuleEditor2DocumentProvider.java;h=cf6bf9a87c6ade46606a2794453891406d19526e;hp=f1bb9b54f2a41904b3983c754e9726cac3d54d41;hb=22fc89ea8f464540eab16db50e271b89c16c2842;hpb=cb5fc8d606d8b322563e9345c441eecfa7f01753

diff --git a/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor2/SCLModuleEditor2DocumentProvider.java b/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor2/SCLModuleEditor2DocumentProvider.java
index f1bb9b54f..cf6bf9a87 100644
--- a/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor2/SCLModuleEditor2DocumentProvider.java
+++ b/bundles/org.simantics.scl.ui/src/org/simantics/scl/ui/editor2/SCLModuleEditor2DocumentProvider.java
@@ -1,99 +1,113 @@
-package org.simantics.scl.ui.editor2;
-
-import java.io.IOException;
-
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.jface.operation.IRunnableContext;
-import org.eclipse.jface.text.Document;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IDocumentPartitioner;
-import org.eclipse.jface.text.rules.FastPartitioner;
-import org.eclipse.jface.text.source.AnnotationModel;
-import org.eclipse.jface.text.source.IAnnotationModel;
-import org.eclipse.ui.texteditor.AbstractDocumentProvider;
-import org.simantics.scl.compiler.source.ModuleSource;
-import org.simantics.scl.compiler.source.TextualModuleSource;
-import org.simantics.scl.osgi.SCLOsgi;
-import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
-
-public class SCLModuleEditor2DocumentProvider extends AbstractDocumentProvider {
-
-    private SCLSourceViewerConfigurationNew sourceViewer;
-    protected AnnotationModel annotationModel = new AnnotationModel();
-    
-    public SCLModuleEditor2DocumentProvider(
-            SCLSourceViewerConfigurationNew sourceViewer) {
-        this.sourceViewer = sourceViewer;
-    }
-
-    private static TextualModuleSource toTextualModuleSource(Object input) {
-        if(!(input instanceof SCLModuleEditorInput))
-            return null;
-        ModuleSource source = ((SCLModuleEditorInput)input).getAdapter(ModuleSource.class);
-        if(source == null)
-            return null;
-        if(!(source instanceof TextualModuleSource))
-            return null;
-        return (TextualModuleSource)source;
-    }
-    
-    @Override
-    protected IDocument createDocument(Object element) throws CoreException {
-        TextualModuleSource source = toTextualModuleSource(element);
-        if(source == null)
-            throw new CoreException(
-                    new Status(Status.ERROR, "org.simantics.scl.ui", "Source for the SCL module could not be found.")
-                    );
-        Document document;
-        try {
-            document = new Document(source.getSourceText(null));
-        } catch (IOException e) {
-            throw new CoreException(
-                    new Status(Status.ERROR, "org.simantics.scl.ui", "Reading SCL module failed.", e)
-                    );
-        }
-        IDocumentPartitioner partitioner = new FastPartitioner(new SCLPartitionScanner(), SCLPartitionScanner.PARTITION_TYPES);
-        partitioner.connect(document);
-        document.setDocumentPartitioner(partitioner);
-        sourceViewer.updateCompletionAssistModuleName(source.getModuleName());
-        return document;
-    }
-    
-    @Override
-    public boolean isModifiable(Object element) {
-        TextualModuleSource source = toTextualModuleSource(element);
-        if(source == null)
-            return false;
-        return source.isUpdateable();
-    }
-    
-    @Override
-    public boolean isReadOnly(Object element) {
-        return !isModifiable(element);
-    }
-
-    @Override
-    protected IAnnotationModel createAnnotationModel(Object element)
-            throws CoreException {
-        SCLModuleEditorInput input = (SCLModuleEditorInput)element;
-        return new SCLAnnotationModel(input, SCLOsgi.MODULE_REPOSITORY);
-    }
-
-    @Override
-    protected void doSaveDocument(IProgressMonitor monitor, Object element,
-            IDocument document, boolean overwrite) throws CoreException {
-        TextualModuleSource source = toTextualModuleSource(element);
-        if(source == null)
-            return;
-        source.update(document.get());
-    }
-
-    @Override
-    protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {
-        // TODO Auto-generated method stub
-        return null;
-    }
-
-}
+package org.simantics.scl.ui.editor2;
+
+import java.io.IOException;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jface.operation.IRunnableContext;
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IDocumentPartitioner;
+import org.eclipse.jface.text.rules.FastPartitioner;
+import org.eclipse.jface.text.source.AnnotationModel;
+import org.eclipse.jface.text.source.IAnnotationModel;
+import org.eclipse.ui.texteditor.AbstractDocumentProvider;
+import org.simantics.scl.compiler.source.ModuleSource;
+import org.simantics.scl.compiler.source.TextualModuleSource;
+import org.simantics.scl.osgi.SCLOsgi;
+import org.simantics.scl.ui.editor.SCLSourceViewerConfigurationNew;
+
+public class SCLModuleEditor2DocumentProvider extends AbstractDocumentProvider {
+
+    private SCLSourceViewerConfigurationNew sourceViewer;
+    protected AnnotationModel annotationModel = new AnnotationModel();
+    
+    private Object currentElement;
+    private TextualModuleSource currentSource;
+    
+    public SCLModuleEditor2DocumentProvider(SCLSourceViewerConfigurationNew sourceViewer) {
+        this.sourceViewer = sourceViewer;
+    }
+
+    private void updateTextualModuleSource(Object input) {
+        if (currentElement != null && currentElement.equals(input))
+            return;
+        currentElement = input;
+        if(!(currentElement instanceof SCLModuleEditorInput))
+            return;
+        
+        ModuleSource source = ((SCLModuleEditorInput)currentElement).getAdapter(ModuleSource.class);
+        if(source == null)
+            return;
+        if(!(source instanceof TextualModuleSource))
+            return;
+        currentSource = (TextualModuleSource)source;
+    }
+    
+    @Override
+    protected IDocument createDocument(Object element) throws CoreException {
+        updateTextualModuleSource(element);
+        if(currentSource == null)
+            throw new CoreException(
+                    new Status(Status.ERROR, "org.simantics.scl.ui", "Source for the SCL module could not be found.")
+                    );
+        Document document;
+        try {
+            document = new Document(currentSource.getSourceText(null));
+        } catch (IOException e) {
+            throw new CoreException(
+                    new Status(Status.ERROR, "org.simantics.scl.ui", "Reading SCL module failed.", e)
+                    );
+        }
+        IDocumentPartitioner partitioner = new FastPartitioner(new SCLPartitionScanner(), SCLPartitionScanner.PARTITION_TYPES);
+        partitioner.connect(document);
+        document.setDocumentPartitioner(partitioner);
+        sourceViewer.updateCompletionAssistModuleName(currentSource.getModuleName());
+        return document;
+    }
+    
+    @Override
+    public void changed(Object element) {
+        updateTextualModuleSource(element);
+    }
+    
+    @Override
+    public void aboutToChange(Object element) {
+        super.aboutToChange(element);
+    }
+    
+    @Override
+    public boolean isModifiable(Object element) {
+        if(currentSource == null)
+            return false;
+        return currentSource.isUpdateable();
+    }
+    
+    @Override
+    public boolean isReadOnly(Object element) {
+        return !isModifiable(element);
+    }
+
+    @Override
+    protected IAnnotationModel createAnnotationModel(Object element)
+            throws CoreException {
+        SCLModuleEditorInput input = (SCLModuleEditorInput)element;
+        return new SCLAnnotationModel(input, SCLOsgi.MODULE_REPOSITORY);
+    }
+
+    @Override
+    protected void doSaveDocument(IProgressMonitor monitor, Object element,
+            IDocument document, boolean overwrite) throws CoreException {
+        if(currentSource == null)
+            return;
+        currentSource.update(document.get());
+    }
+
+    @Override
+    protected IRunnableContext getOperationRunner(IProgressMonitor monitor) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+}