/*******************************************************************************
* 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.internal.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.internal.gprof.Messages;
import org.eclipse.linuxtools.internal.gprof.view.histogram.TreeElement;
/**
* Column "sample ratio" of the displayed element
*/
public class RatioProfField extends AbstractPercentageDrawerField implements IChartField{
/** Format to use to display percentages */
public final static NumberFormat nf = new DecimalFormat("##0.0#"); //$NON-NLS-1$
/**
* Gets the percentage value to display.
* @param obj The TreeElement to retrieve percentage value for.
* @return The percentage value to display.
*/
@Override
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());
}
@Override
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;
}
@Override
public String getColumnHeaderText() {
return Messages.RatioProfField_TIME_PERCENTAGE;
}
@Override
public NumberFormat getNumberFormat() {
return nf;
}
@Override
public boolean isSettedNumberFormat() {
return true;
}
@Override
public Number getNumber(Object obj) {
return getPercentage(obj);
}
}