tech.tablesaw.plotting.fx.FxPie Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tech.tablesaw.plotting.fx;
import javafx.scene.chart.PieChart;
import tech.tablesaw.api.NumberColumn;
import tech.tablesaw.api.StringColumn;
import tech.tablesaw.api.Table;
import java.util.ArrayList;
import java.util.List;
/**
*
*/
public class FxPie extends FxBuilder {
public static PieChart chart(String title, Table table, String categoryColumnName, String numberColumnName) {
StringColumn stringColumn = table.stringColumn(categoryColumnName);
NumberColumn numberColumn = table.nCol(numberColumnName);
return chart(title, stringColumn, numberColumn);
}
public static PieChart chart(String title, StringColumn stringColumn, NumberColumn numberColumn) {
List data = new ArrayList<>(stringColumn.size());
for (int i = 0; i < stringColumn.size(); i++) {
data.add(new PieChart.Data(stringColumn.getString(i), numberColumn.get(i)));
}
return createChart(title, data);
}
public static PieChart chart(String title, NumberColumn categoryColumn, NumberColumn numberColumn) {
List data = new ArrayList<>(categoryColumn.size());
for (int i = 0; i < categoryColumn.size(); i++) {
String name = Integer.toString(categoryColumn.roundInt(i));
data.add(new PieChart.Data(name, numberColumn.get(i)));
}
return createChart(title, data);
}
/**
* Independent of the type of data
*
*/
private static PieChart createChart(String title, List data) {
final PieChart pieChart = getPieChart(title);
pieChart.getData().setAll(data);
return pieChart;
}
}