| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.poi.xssf.usermodel.charts; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.poi.ss.usermodel.Chart; |
| import org.apache.poi.ss.usermodel.charts.ChartAxis; |
| import org.apache.poi.ss.usermodel.charts.ChartDataSource; |
| import org.apache.poi.ss.usermodel.charts.ScatterChartData; |
| import org.apache.poi.ss.usermodel.charts.ScatterChartSeries; |
| import org.apache.poi.util.Beta; |
| import org.apache.poi.xssf.usermodel.XSSFChart; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTAxDataSource; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTNumDataSource; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTPlotArea; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTScatterChart; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTScatterSer; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.CTScatterStyle; |
| import org.openxmlformats.schemas.drawingml.x2006.chart.STScatterStyle; |
| |
| |
| /** |
| * Represents DrawingML scatter charts. |
| */ |
| @Beta |
| public class XSSFScatterChartData implements ScatterChartData { |
| |
| /** |
| * List of all data series. |
| */ |
| private List<Series> series; |
| |
| public XSSFScatterChartData() { |
| series = new ArrayList<Series>(); |
| } |
| |
| /** |
| * Package private ScatterChartSerie implementation. |
| */ |
| static class Series extends AbstractXSSFChartSeries implements ScatterChartSeries { |
| private int id; |
| private int order; |
| private ChartDataSource<?> xs; |
| private ChartDataSource<? extends Number> ys; |
| |
| protected Series(int id, int order, |
| ChartDataSource<?> xs, |
| ChartDataSource<? extends Number> ys) { |
| super(); |
| this.id = id; |
| this.order = order; |
| this.xs = xs; |
| this.ys = ys; |
| } |
| |
| /** |
| * Returns data source used for X axis values. |
| * @return data source used for X axis values |
| */ |
| public ChartDataSource<?> getXValues() { |
| return xs; |
| } |
| |
| /** |
| * Returns data source used for Y axis values. |
| * @return data source used for Y axis values |
| */ |
| public ChartDataSource<? extends Number> getYValues() { |
| return ys; |
| } |
| |
| protected void addToChart(CTScatterChart ctScatterChart) { |
| CTScatterSer scatterSer = ctScatterChart.addNewSer(); |
| scatterSer.addNewIdx().setVal(this.id); |
| scatterSer.addNewOrder().setVal(this.order); |
| |
| CTAxDataSource xVal = scatterSer.addNewXVal(); |
| XSSFChartUtil.buildAxDataSource(xVal, xs); |
| |
| CTNumDataSource yVal = scatterSer.addNewYVal(); |
| XSSFChartUtil.buildNumDataSource(yVal, ys); |
| |
| if (isTitleSet()) { |
| scatterSer.setTx(getCTSerTx()); |
| } |
| } |
| } |
| |
| public ScatterChartSeries addSerie(ChartDataSource<?> xs, |
| ChartDataSource<? extends Number> ys) { |
| if (!ys.isNumeric()) { |
| throw new IllegalArgumentException("Y axis data source must be numeric."); |
| } |
| int numOfSeries = series.size(); |
| Series newSerie = new Series(numOfSeries, numOfSeries, xs, ys); |
| series.add(newSerie); |
| return newSerie; |
| } |
| |
| public void fillChart(Chart chart, ChartAxis... axis) { |
| if (!(chart instanceof XSSFChart)) { |
| throw new IllegalArgumentException("Chart must be instance of XSSFChart"); |
| } |
| |
| XSSFChart xssfChart = (XSSFChart) chart; |
| CTPlotArea plotArea = xssfChart.getCTChart().getPlotArea(); |
| CTScatterChart scatterChart = plotArea.addNewScatterChart(); |
| addStyle(scatterChart); |
| |
| for (Series s : series) { |
| s.addToChart(scatterChart); |
| } |
| |
| for (ChartAxis ax : axis) { |
| scatterChart.addNewAxId().setVal(ax.getId()); |
| } |
| } |
| |
| public List<? extends Series> getSeries() { |
| return series; |
| } |
| |
| private void addStyle(CTScatterChart ctScatterChart) { |
| CTScatterStyle scatterStyle = ctScatterChart.addNewScatterStyle(); |
| scatterStyle.setVal(STScatterStyle.LINE_MARKER); |
| } |
| } |