bndtools.editor.components.ComponentSvcRefTableLabelProvider.java Source code

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Here is the source code for bndtools.editor.components.ComponentSvcRefTableLabelProvider.java

Source

/*******************************************************************************
 * 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.components;

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.model.clauses.ComponentSvcReference;

public class ComponentSvcRefTableLabelProvider extends StyledCellLabelProvider {

    private Image dynamicImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/lightning.png")
            .createImage();
    private Image staticImg = AbstractUIPlugin.imageDescriptorFromPlugin(Plugin.PLUGIN_ID, "/icons/anchor.png")
            .createImage();

    @Override
    public void update(ViewerCell cell) {
        ComponentSvcReference svcRef = (ComponentSvcReference) cell.getElement();
        int columnIndex = cell.getColumnIndex();
        StyledString styledString;
        switch (columnIndex) {
        case 0:
            styledString = new StyledString(svcRef.getName());

            String bind = svcRef.getBind();
            String unbind = svcRef.getUnbind();
            if (bind != null) {
                StringBuilder buffer = new StringBuilder();
                buffer.append(" {").append(bind).append('/');
                if (unbind != null) {
                    buffer.append(unbind);
                }
                buffer.append('}');
                styledString.append(buffer.toString(), StyledString.DECORATIONS_STYLER);
            }
            cell.setImage(svcRef.isDynamic() ? dynamicImg : staticImg);
            cell.setText(styledString.toString());
            cell.setStyleRanges(styledString.getStyleRanges());
            break;
        case 1:
            styledString = new StyledString(svcRef.getServiceClass(), StyledString.QUALIFIER_STYLER);
            cell.setText(styledString.toString());
            cell.setStyleRanges(styledString.getStyleRanges());
            break;
        case 2:
            char[] cardinality = new char[] { svcRef.isOptional() ? '0' : '1', '.', '.',
                    svcRef.isMultiple() ? 'n' : '1' };
            styledString = new StyledString(new String(cardinality), StyledString.COUNTER_STYLER);
            cell.setText(styledString.toString());
            cell.setStyleRanges(styledString.getStyleRanges());
            break;
        case 3:
            String target = svcRef.getTargetFilter();
            cell.setText(target != null ? target : "");
            break;
        }
    }

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

}