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ClojureSourceViewerConfiguration.java
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ClojureSourceViewerConfiguration.java
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/*******************************************************************************
* Copyright (c) 2008 Laurent Petit.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Laurent PETIT - initial API and implementation
* Some code (e.g. contextInformation wiring) from Scala plugin & original
* clojure rule based editor
*******************************************************************************/
package ccw.editors.antlrbased;
import org.eclipse.jface.internal.text.html.HTMLTextPresenter;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.DefaultInformationControl;
import org.eclipse.jface.text.DocumentCommand;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IAutoEditStrategy;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.IInformationControl;
import org.eclipse.jface.text.IInformationControlCreator;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.jface.text.TextUtilities;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistant;
import org.eclipse.jface.text.presentation.IPresentationReconciler;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.reconciler.IReconciler;
import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
import org.eclipse.jface.text.rules.ITokenScanner;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.editors.text.TextSourceViewerConfiguration;
import ccw.CCWPlugin;
import ccw.editors.rulesbased.ClojurePartitionScanner;
public class ClojureSourceViewerConfiguration extends
TextSourceViewerConfiguration {
private ITokenScanner tokenScanner;
private final AntlrBasedClojureEditor editor;
public ClojureSourceViewerConfiguration(IPreferenceStore preferenceStore,
AntlrBasedClojureEditor editor) {
super(preferenceStore);
initTokenScanner();
this.editor = editor;
}
@Override
public IPresentationReconciler getPresentationReconciler(
ISourceViewer sourceViewer) {
PresentationReconciler reconciler = new PresentationReconciler();
reconciler
.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
addDamagerRepairerForContentType(reconciler,
IDocument.DEFAULT_CONTENT_TYPE);
return reconciler;
}
@Override
public String getConfiguredDocumentPartitioning(ISourceViewer sourceViewer) {
return IDocumentExtension3.DEFAULT_PARTITIONING;
}
private void addDamagerRepairerForContentType(
PresentationReconciler reconciler, String contentType) {
DefaultDamagerRepairer dr = new DefaultDamagerRepairer(tokenScanner) {
@Override
public IRegion getDamageRegion(ITypedRegion partition,
DocumentEvent e, boolean documentPartitioningChanged) {
return partition;
}
};
reconciler.setDamager(dr, contentType);
reconciler.setRepairer(dr, contentType);
}
public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
return new String[] { IDocument.DEFAULT_CONTENT_TYPE };
}
@Override
public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
ContentAssistant assistant = new ContentAssistant();
assistant
.setDocumentPartitioning(ClojurePartitionScanner.CLOJURE_PARTITIONING);
assistant.setContentAssistProcessor(new ClojureProposalProcessor(
editor, assistant), IDocument.DEFAULT_CONTENT_TYPE);
assistant.setContentAssistProcessor(new ClojureProposalProcessor(
editor, assistant), ClojurePartitionScanner.CLOJURE_COMMENT);
assistant.setContentAssistProcessor(new ClojureProposalProcessor(
editor, assistant), ClojurePartitionScanner.CLOJURE_STRING);
assistant.enableAutoActivation(false);
assistant.setShowEmptyList(true);
assistant
.setEmptyMessage("No completions available. You may want to start a REPL for the project holding this file to activate the code completion feature.");
assistant.setStatusLineVisible(true);
assistant.setStatusMessage("no current status mesage");
assistant.enableAutoInsert(true);
assistant.setAutoActivationDelay(500);
// assistant.setProposalPopupOrientation(IContentAssistant.CONTEXT_INFO_BELOW);
assistant
.setProposalPopupOrientation(IContentAssistant.PROPOSAL_OVERLAY);
// assistant.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_BELOW);
assistant
.setContextInformationPopupOrientation(IContentAssistant.CONTEXT_INFO_ABOVE);
assistant
.setInformationControlCreator(getInformationControlCreator(sourceViewer));
assistant.enableColoredLabels(true);
return assistant;
}
public IInformationControlCreator getInformationControlCreator(
ISourceViewer sourceViewer) {
return new IInformationControlCreator() {
public IInformationControl createInformationControl(Shell parent) {
return new DefaultInformationControl(parent,
new HTMLTextPresenter());
}
};
}
public void initTokenScanner() {
tokenScanner = new ClojureTokenScannerFactory().create(CCWPlugin
.getDefault().getColorRegistry(), CCWPlugin.getDefault()
.getDefaultScanContext());
}
@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
// cf. http://code.google.com/p/counterclockwise/issues/detail?id=5
// Completely disable spellchecking until we can distinguish comments
// and code, and spell check based on these partitions
return null;
}
@Override
public IAutoEditStrategy[] getAutoEditStrategies(
ISourceViewer sourceViewer, final String contentType) {
return new IAutoEditStrategy[] {
new PareditAutoEditStrategy(editor, fPreferenceStore)
, new org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy() };
}
}