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/*******************************************************************************
* Copyright (c) 2009 STMicroelectronics.
* 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:
* Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation
* Mohamed Korbosli <mohamed.korbosli@st.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.gprof.view.fields;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractPercentageDrawerField;
import org.eclipse.linuxtools.dataviewers.charts.provider.IChartField;
import org.eclipse.linuxtools.gprof.view.histogram.TreeElement;
/**
* Column "sample ratio" of the displayed element
*
* @author Mohamed Korbosli
*/
public class RatioProfField extends AbstractPercentageDrawerField implements IChartField{
/** Format to use to display percentages */
public final static NumberFormat nf = new DecimalFormat("##0.0#");
/**
* Gets the percentage value to display
* @param obj
* @return the percentage value to display, as a float
*/
public float getPercentage(Object obj) {
TreeElement e = (TreeElement) obj;
int SamplesSum = e.getRoot().getSamples();
if (SamplesSum == 0) return 0;
else return ((100.0f*e.getSamples())/e.getRoot().getSamples());
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.ISTDataViewersField#compare(java.lang.Object, java.lang.Object)
*/
public int compare(Object obj1, Object obj2) {
TreeElement e1 = (TreeElement) obj1;
TreeElement e2 = (TreeElement) obj2;
int s1 = e1.getSamples();
int s2 = e2.getSamples();
return s1 - s2;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.ISTDataViewersField#getColumnHeaderText()
*/
public String getColumnHeaderText() {
return "%Time";
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractPercentageDrawerField#getNumberFormat()
*/
public NumberFormat getNumberFormat() {
return nf;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractPercentageDrawerField#isSettedNumberFormat()
*/
public boolean isSettedNumberFormat() {
return true;
}
public Number getNumber(Object obj) {
float f = getPercentage(obj);
return new Float(f);
}
}
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