com.netxforge.netxstudio.screens.f4.support.MetricTreeLabelProvider.java Source code

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Here is the source code for com.netxforge.netxstudio.screens.f4.support.MetricTreeLabelProvider.java

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/*******************************************************************************
 * Copyright (c) Jun 24, 2011 NetXForge.
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details. You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 * 
 * Contributors: Christophe Bouhier - initial API and implementation and/or
 * initial documentation
 *******************************************************************************/
package com.netxforge.netxstudio.screens.f4.support;

import java.util.Set;

import org.eclipse.core.databinding.observable.map.IMapChangeListener;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.core.databinding.observable.map.MapChangeEvent;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.ViewerCell;

import com.netxforge.netxstudio.metrics.Metric;

public class MetricTreeLabelProvider extends StyledCellLabelProvider {
    private IMapChangeListener mapChangeListener = new IMapChangeListener() {
        public void handleMapChange(MapChangeEvent event) {
            Set<?> affectedElements = event.diff.getChangedKeys();
            if (!affectedElements.isEmpty()) {
                LabelProviderChangedEvent newEvent = new LabelProviderChangedEvent(MetricTreeLabelProvider.this,
                        affectedElements.toArray());
                fireLabelProviderChanged(newEvent);
            }
        }
    };

    public MetricTreeLabelProvider(IObservableMap... attributeMaps) {
        //      super(StyledCellLabelProvider.COLORS_ON_SELECTION);
        for (int i = 0; i < attributeMaps.length; i++) {
            attributeMaps[i].addMapChangeListener(mapChangeListener);
        }
    }

    //   @Override
    //   public String getToolTipText(Object element) {
    //      return "#dummy#";
    //   }

    @Override
    public void update(ViewerCell cell) {

        if (cell.getElement() instanceof Metric) {
            Metric metric = (Metric) cell.getElement();
            String txt = "";
            switch (cell.getColumnIndex()) {

            case 0: {
                txt = metric.getName() != null ? metric.getName() : "";
            }
                break;
            case 1: {
                txt = metric.getDescription() != null ? metric.getDescription() : "";
            }
                break;
            case 2: {
                txt = metric.getUnitRef() != null ? metric.getUnitRef().getName() : "";
            }
                break;

            }

            StyledString styledString = new StyledString(txt, null);
            // String decoration = " (" +
            // metric.getCommitters().size() + " Committers)";
            // styledString.append(
            // decoration,
            // StyledString.COUNTER_STYLER
            // );
            cell.setText(styledString.getString());
            // cell.setImage(projectImage);
            cell.setStyleRanges(styledString.getStyleRanges());
        }
        super.update(cell);
    }
}