com.google.dart.tools.ui.internal.refactoring.DartStatusContextViewer_NEW.java Source code

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Here is the source code for com.google.dart.tools.ui.internal.refactoring.DartStatusContextViewer_NEW.java

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/*
 * Copyright (c) 2014, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.dart.tools.ui.internal.refactoring;

import com.google.dart.tools.internal.corext.refactoring.base.DartStatusContext_NEW;
import com.google.dart.tools.ui.DartToolsPlugin;
import com.google.dart.tools.ui.PreferenceConstants;
import com.google.dart.tools.ui.internal.preferences.FontPreferencePage;
import com.google.dart.tools.ui.internal.text.editor.DartSourceViewer;
import com.google.dart.tools.ui.text.DartSourceViewerConfiguration;
import com.google.dart.tools.ui.text.DartTextTools;

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.CompositeRuler;
import org.eclipse.jface.text.source.LineNumberRulerColumn;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.ltk.core.refactoring.RefactoringStatusContext;
import org.eclipse.ltk.ui.refactoring.TextStatusContextViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.Composite;

public class DartStatusContextViewer_NEW extends TextStatusContextViewer {
    @Override
    public void createControl(Composite parent) {
        super.createControl(parent);
        final SourceViewer viewer = getSourceViewer();
        viewer.unconfigure();
        IPreferenceStore store = DartToolsPlugin.getDefault().getCombinedPreferenceStore();
        viewer.configure(new DartSourceViewerConfiguration(
                DartToolsPlugin.getDefault().getDartTextTools().getColorManager(), store, null, null));
        viewer.getControl().setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT));
    }

    @Override
    public void setInput(RefactoringStatusContext context) {
        if (context instanceof DartStatusContext_NEW) {
            DartStatusContext_NEW sc = (DartStatusContext_NEW) context;
            String content = sc.getContent();
            IDocument document = newDocument(content);
            setInput(document, sc.getRegion());
            updateTitle(sc);
        }
    }

    @Override
    protected SourceViewer createSourceViewer(Composite parent) {
        IPreferenceStore store = DartToolsPlugin.getDefault().getCombinedPreferenceStore();
        // prepare line number ruler
        CompositeRuler ruler;
        {
            ruler = new CompositeRuler();
            LineNumberRulerColumn lnrc = new LineNumberRulerColumn();
            ruler.addDecorator(0, lnrc);
        }
        // create viewer
        DartSourceViewer viewer = new DartSourceViewer(parent, ruler, null, false,
                SWT.LEFT_TO_RIGHT | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.FULL_SELECTION, store);
        // set font (it is somehow reset when we set a ruler)
        {
            Font font = JFaceResources.getFont(FontPreferencePage.EDITOR_FONT_KEY);
            viewer.getTextWidget().setFont(font);
        }
        // done
        return viewer;
    }

    private IDocument newDocument(String source) {
        IDocument result = new Document(source);
        DartTextTools textTools = DartToolsPlugin.getDefault().getDartTextTools();
        textTools.setupJavaDocumentPartitioner(result);
        return result;
    }
}