BaseMetricLabelProvider.java

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package edu.rice.cs.hpc.viewer.metric;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import edu.rice.cs.hpc.data.experiment.metric.BaseMetric;
import edu.rice.cs.hpc.data.experiment.scope.Scope;
import edu.rice.cs.hpc.viewer.util.Utilities;


/****
 * 
 * Class to provide basic label provider for metric columns
 *
 */
public class BaseMetricLabelProvider extends ColumnLabelProvider implements IMetricLabelProvider {
    protected Scope scope = null;
    protected BaseMetric metric = null;


    public BaseMetricLabelProvider(BaseMetric metricNew) {
        this.metric = metricNew;
    }

    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.viewer.metric.IMetricLabelProvider#isEnabled()
     */
    public boolean isEnabled() {
        return false;
    }
    
    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.viewer.metric.IMetricLabelProvider#setScope(java.lang.Object)
     */
    public void setScope(Object scope) {
        if (scope instanceof Scope) {
            this.scope = (Scope)scope;
        }
        return;
    }

    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.viewer.metric.IMetricLabelProvider#setMetric(java.lang.Object)
     */
    public void setMetric(Object metric) {
        if (metric instanceof BaseMetric) {
            this.metric = (BaseMetric)metric;
        }
        return;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getFont(java.lang.Object)
     */
    public Font getFont(Object element) {
        return Utilities.fontMetric;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getText(java.lang.Object)
     */
    public String getText(Object element) {
        String text = null; 

        if ((metric != null) && (element instanceof Scope)) {
            Scope node = (Scope) element;
            text = metric.getMetricTextValue(node);
        }
        return text;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getBackground(java.lang.Object)
     */
    public Color getBackground(final Object element) {
        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getForeground(java.lang.Object)
     */
    public Color getForeground(final Object element) {
        return null;
    }
}