bndtools.editor.pkgpatterns.PkgPatternsLabelProvider.java Source code

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Here is the source code for bndtools.editor.pkgpatterns.PkgPatternsLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2010 Neil Bartlett.
 * 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:
 *     Neil Bartlett - initial API and implementation
 *******************************************************************************/
package bndtools.editor.pkgpatterns;

import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;

import bndtools.Plugin;
import bndtools.UIConstants;
import bndtools.model.clauses.HeaderClause;

import aQute.lib.osgi.Constants;

public class PkgPatternsLabelProvider extends StyledCellLabelProvider {

    private final Image packageImg;

    public PkgPatternsLabelProvider() {
        packageImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/package_obj.gif")
                .createImage();
    }

    @Override
    public void update(ViewerCell cell) {
        HeaderClause clause = (HeaderClause) cell.getElement();
        cell.setImage(packageImg);

        StyledString styledString = new StyledString(clause.getName());
        String resolution = clause.getAttribs().get(Constants.RESOLUTION_DIRECTIVE);
        if (org.osgi.framework.Constants.RESOLUTION_OPTIONAL.equals(resolution)) {
            styledString.append(" <optional>", UIConstants.ITALIC_QUALIFIER_STYLER);
        }
        String version = clause.getAttribs().get(org.osgi.framework.Constants.VERSION_ATTRIBUTE);
        if (version != null) {
            styledString.append(": " + version, StyledString.COUNTER_STYLER);
        }
        cell.setText(styledString.getString());
        cell.setStyleRanges(styledString.getStyleRanges());
    }

    @Override
    public void dispose() {
        super.dispose();
        packageImg.dispose();
    }
}