123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167 |
- /*
- * ====================================================================
- * 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.examples.xslf;
-
- import org.apache.poi.ss.util.CellRangeAddress;
- import org.apache.poi.util.Units;
- import org.apache.poi.xddf.usermodel.chart.AxisCrossBetween;
- import org.apache.poi.xddf.usermodel.chart.AxisCrosses;
- import org.apache.poi.xddf.usermodel.chart.AxisPosition;
- import org.apache.poi.xddf.usermodel.chart.AxisTickMark;
- import org.apache.poi.xddf.usermodel.chart.ChartTypes;
- import org.apache.poi.xddf.usermodel.chart.LegendPosition;
- import org.apache.poi.xddf.usermodel.chart.XDDFChartAxis;
- import org.apache.poi.xddf.usermodel.chart.XDDFChartLegend;
- import org.apache.poi.xddf.usermodel.chart.XDDFDataSource;
- import org.apache.poi.xddf.usermodel.chart.XDDFDataSourcesFactory;
- import org.apache.poi.xddf.usermodel.chart.XDDFDoughnutChartData;
- import org.apache.poi.xddf.usermodel.chart.XDDFNumericalDataSource;
- import org.apache.poi.xddf.usermodel.chart.XDDFValueAxis;
- import org.apache.poi.xslf.usermodel.XMLSlideShow;
- import org.apache.poi.xslf.usermodel.XSLFChart;
- import org.apache.poi.xslf.usermodel.XSLFGraphicFrame;
- import org.apache.poi.xslf.usermodel.XSLFShape;
- import org.apache.poi.xslf.usermodel.XSLFSlide;
-
- import java.awt.geom.Rectangle2D;
- import java.io.BufferedReader;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.OutputStream;
- import java.nio.charset.StandardCharsets;
- import java.nio.file.Files;
- import java.nio.file.Paths;
- import java.util.ArrayList;
- import java.util.List;
-
- /**
- * Build a chart without reading template file
- */
- @SuppressWarnings({"java:S106","java:S4823","java:S1192"})
- public final class DoughnutChartFromScratch {
- private DoughnutChartFromScratch() {}
-
- private static void usage(){
- System.out.println("Usage: DoughnutChartFromScratch <bar-chart-data.txt>");
- System.out.println(" bar-chart-data.txt the model to set. First line is chart title, " +
- "then go pairs {axis-label value}");
- }
-
- public static void main(String[] args) throws Exception {
- if(args.length < 1) {
- usage();
- return;
- }
-
- try (BufferedReader modelReader = Files.newBufferedReader(Paths.get(args[0]), StandardCharsets.UTF_8)) {
-
- String chartTitle = modelReader.readLine(); // first line is chart title
- String[] series = modelReader.readLine().split(",");
-
- // Category Axis Data
- List<String> listLanguages = new ArrayList<>(10);
-
- // Values
- List<Double> listCountries = new ArrayList<>(10);
- List<Double> listSpeakers = new ArrayList<>(10);
-
- // set model
- String ln;
- while((ln = modelReader.readLine()) != null) {
- String[] vals = ln.split(",");
- listCountries.add(Double.valueOf(vals[0]));
- listSpeakers.add(Double.valueOf(vals[1]));
- listLanguages.add(vals[2]);
- }
-
- String[] categories = listLanguages.toArray(new String[0]);
- Double[] values1 = listCountries.toArray(new Double[0]);
- Double[] values2 = listSpeakers.toArray(new Double[0]);
-
- try (XMLSlideShow ppt = new XMLSlideShow()) {
- createSlideWithChart(ppt, chartTitle, series, categories, values1, COLUMN_COUNTRIES);
- createSlideWithChart(ppt, chartTitle, series, categories, values2, COLUMN_SPEAKERS);
- // save the result
- try (OutputStream out = new FileOutputStream("doughnut-chart-from-scratch.pptx")) {
- ppt.write(out);
- }
- }
- try (FileInputStream is = new FileInputStream("doughnut-chart-from-scratch.pptx")) {
- try (XMLSlideShow ppt = new XMLSlideShow(is)) {
- for (XSLFSlide slide : ppt.getSlides()) {
- for (XSLFShape shape : slide.getShapes()) {
- if (shape instanceof XSLFGraphicFrame) {
- XSLFGraphicFrame frame = (XSLFGraphicFrame) shape;
- if (frame.hasChart()) {
- System.out.println(frame.getChart().getTitleShape().getText());
- }
- }
- }
- }
- }
- }
- }
- System.out.println("Done");
- }
-
- private static void createSlideWithChart(XMLSlideShow ppt, String chartTitle, String[] series, String[] categories,
- Double[] values, int valuesColumn) {
- XSLFSlide slide = ppt.createSlide();
- XSLFChart chart = ppt.createChart();
- Rectangle2D rect2D = new java.awt.Rectangle(fromCM(1.5), fromCM(4), fromCM(22), fromCM(14));
- slide.addChart(chart, rect2D);
- setDoughnutData(chart, chartTitle, series, categories, values, valuesColumn);
- }
-
- private static int fromCM(double cm) {
- return (int) (Math.rint(cm * Units.EMU_PER_CENTIMETER));
- }
-
- private static void setDoughnutData(XSLFChart chart, String chartTitle, String[] series, String[] categories,
- Double[] values, int valuesColumn) {
- final int numOfPoints = categories.length;
- final String categoryDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, COLUMN_LANGUAGES, COLUMN_LANGUAGES));
- final String valuesDataRange = chart.formatRange(new CellRangeAddress(1, numOfPoints, valuesColumn, valuesColumn));
- final XDDFDataSource<?> categoriesData = XDDFDataSourcesFactory.fromArray(categories, categoryDataRange, COLUMN_LANGUAGES);
- final XDDFNumericalDataSource<? extends Number> valuesData = XDDFDataSourcesFactory.fromArray(values, valuesDataRange, valuesColumn);
- valuesData.setFormatCode("General");
-
- XDDFDoughnutChartData data = (XDDFDoughnutChartData) chart.createData(ChartTypes.DOUGHNUT, null, null);
- XDDFDoughnutChartData.Series series1 = (XDDFDoughnutChartData.Series) data.addSeries(categoriesData, valuesData);
- series1.setTitle(series[0], chart.setSheetTitle(series[valuesColumn - 1], valuesColumn));
-
- data.setVaryColors(true);
- data.setHoleSize(42);
- data.setFirstSliceAngle(90);
- chart.plot(data);
-
- XDDFChartLegend legend = chart.getOrAddLegend();
- legend.setPosition(LegendPosition.LEFT);
- legend.setOverlay(false);
-
- chart.setTitleText(chartTitle);
- chart.setTitleOverlay(false);
- chart.setAutoTitleDeleted(false);
- }
-
- private static final int COLUMN_LANGUAGES = 0;
- private static final int COLUMN_COUNTRIES = 1;
- private static final int COLUMN_SPEAKERS = 2;
- }
|