org.rubypeople.rdt.internal.ui.refactoring.CreateTextFileChangePreviewViewer.java Source code

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Here is the source code for org.rubypeople.rdt.internal.ui.refactoring.CreateTextFileChangePreviewViewer.java

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/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.rubypeople.rdt.internal.ui.refactoring;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput;
import org.eclipse.ltk.ui.refactoring.IChangePreviewViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.rubypeople.rdt.internal.corext.refactoring.nls.changes.CreateTextFileChange;
import org.rubypeople.rdt.internal.ui.RubyPlugin;
import org.rubypeople.rdt.internal.ui.util.ViewerPane;
import org.rubypeople.rdt.ui.PreferenceConstants;
import org.rubypeople.rdt.ui.text.RubySourceViewerConfiguration;
import org.rubypeople.rdt.ui.text.RubyTextTools;

public class CreateTextFileChangePreviewViewer implements IChangePreviewViewer {

    private ViewerPane fPane;
    private SourceViewer fSourceViewer;

    public void createControl(Composite parent) {
        fPane = new ViewerPane(parent, SWT.BORDER | SWT.FLAT);

        fSourceViewer = new SourceViewer(fPane, null, SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.FULL_SELECTION);
        fSourceViewer.setEditable(false);
        fSourceViewer.getControl().setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT));
        fPane.setContent(fSourceViewer.getControl());
    }

    public Control getControl() {
        return fPane;
    }

    public void setInput(ChangePreviewViewerInput input) {
        Change change = input.getChange();
        if (!(change instanceof CreateTextFileChange)) {
            fSourceViewer.setInput(null);
            fPane.setText(""); //$NON-NLS-1$
            return;
        }
        CreateTextFileChange textFileChange = (CreateTextFileChange) change;
        fPane.setText(textFileChange.getName());
        IDocument document = new Document(textFileChange.getPreview());
        // This is a temporary work around until we get the
        // source viewer registry.
        fSourceViewer.unconfigure();
        if ("ruby".equals(textFileChange.getTextType())) { //$NON-NLS-1$
            RubyTextTools textTools = RubyPlugin.getDefault().getRubyTextTools();
            textTools.setupRubyDocumentPartitioner(document);
            IPreferenceStore store = RubyPlugin.getDefault().getCombinedPreferenceStore();
            fSourceViewer
                    .configure(new RubySourceViewerConfiguration(textTools.getColorManager(), store, null, null));
        } else {
            fSourceViewer.configure(new SourceViewerConfiguration());
        }
        fSourceViewer.setInput(document);
    }

    public void refresh() {
        fSourceViewer.refresh();
    }
}