Refactored bar chart.

src/fr/devinsy/statoolinfos/htmlize/Htmlizer.java

@@ -271,6 +271,7 @@ public class Htmlizer
         BarChart chart;
 
         chart = new BarChart("Nombre de membres");
+        chart.addDataset("Membres");
 
         PathPropertyList values = federation.getByYearPrefix("metrics.members.count").sortByPath();
 
@@ -455,7 +456,7 @@ public class Htmlizer
      * To bar chart.
      *
      * @param stats
-     *            the statsf
+     *            the stats
      * @return the bar chart
      */
     public static BarChart toBarChart(final RegistrationStats stats)
@@ -463,6 +464,7 @@ public class Htmlizer
         BarChart result;
 
         result = new BarChart("Types d'inscription");
+        result.addDataset("Nombre");
         result.add("Sans", stats.getNoneCount(), ChartColor.GREEN);
         result.add("Libre", stats.getFreeCount(), ChartColor.YELLOW);
         result.add("Membre", stats.getMemberCount(), ChartColor.ORANGE);

src/fr/devinsy/statoolinfos/htmlize/charts/BarChart.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
+ * Copyright (C) 2020-2021 Christian Pierre MOMON <christian@momon.org>
  * 
  * This file is part of StatoolInfos, simple service statistics tool.
  * 
@@ -32,7 +32,8 @@ public class BarChart
 
     private String title;
     private boolean displayTitle;
-    private BarChartDatas datas;
+    private StringList labels;
+    private BarChartDatasets datasets;
 
     /**
      * Instantiates a new bar chart.
@@ -44,7 +45,8 @@ public class BarChart
     {
         this.title = title;
         this.displayTitle = true;
-        this.datas = new BarChartDatas();
+        this.labels = new StringList();
+        this.datasets = new BarChartDatasets();
     }
 
     /**
@@ -59,7 +61,27 @@ public class BarChart
      */
     public void add(final String label, final double value, final ChartColor color)
     {
-        this.datas.add(new BarChartData(label, value, color));
+        this.labels.add(label);
+        this.datasets.get(0).add(new BarChartData(label, value, color));
+    }
+
+    /**
+     * Adds the dataset.
+     *
+     * @param name
+     *            the name
+     * @return the int
+     */
+    public int addDataset(final String name)
+    {
+        int result;
+
+        this.datasets.add(new BarChartDataset(name));
+
+        result = this.datasets.size() - 1;
+
+        //
+        return result;
     }
 
     /**
@@ -71,20 +93,32 @@ public class BarChart
     {
         ChartColors result;
 
-        result = new ChartColors();
+        result = this.datasets.get(0).getColors();
-
-        for (BarChartData data : this.datas)
-        {
-            result.add(data.getColor());
-        }
 
         //
         return result;
     }
 
-    public BarChartDatas getDatas()
+    /**
+     * Gets the dataset.
+     *
+     * @param index
+     *            the index
+     * @return the dataset
+     */
+    public BarChartDataset getDataset(final int index)
     {
-        return this.datas;
+        BarChartDataset result;
+
+        result = this.datasets.get(index);
+
+        //
+        return result;
+    }
+
+    public BarChartDatasets getDatasets()
+    {
+        return this.datasets;
     }
 
     /**
@@ -96,42 +130,20 @@ public class BarChart
     {
         StringList result;
 
-        result = new StringList();
+        result = this.labels;
-
-        for (BarChartData data : this.datas)
-        {
-            result.add(data.getLabel());
-        }
 
         //
         return result;
     }
 
-    public String getTitle()
-    {
-        return this.title;
-    }
-
     /**
-     * Gets the values.
+     * Gets the title.
      *
-     * @return the values
+     * @return the title
      */
-    public double[] getValues()
+    public String getTitle()
     {
-        double[] result;
+        return this.title;
-
-        result = new double[this.datas.size()];
-
-        int index = 0;
-        for (BarChartData data : this.datas)
-        {
-            result[index] = data.getValue();
-            index += 1;
-        }
-
-        //
-        return result;
     }
 
     public boolean isDisplayTitle()

src/fr/devinsy/statoolinfos/htmlize/charts/BarChartDatas.java

@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
- * 
- * This file is part of StatoolInfos, simple service statistics tool.
- * 
- * StatoolInfos is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * StatoolInfos is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- * 
- * You should have received a copy of the GNU Affero General Public License
- * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
- */
-package fr.devinsy.statoolinfos.htmlize.charts;
-
-import java.util.ArrayList;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * The Class BarChartDatas.
- */
-public class BarChartDatas extends ArrayList<BarChartData>
-{
-    private static final long serialVersionUID = -5230173915580487951L;
-    private static Logger logger = LoggerFactory.getLogger(BarChartDatas.class);
-
-    /**
-     * Instantiates a new bar chart datas.
-     */
-    public BarChartDatas()
-    {
-        super();
-    }
-}

src/fr/devinsy/statoolinfos/htmlize/charts/BarChartDataset.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2020-2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.charts;
+
+import java.util.ArrayList;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class BarChartDataset.
+ */
+public class BarChartDataset extends ArrayList<BarChartData>
+{
+    private static final long serialVersionUID = -5230173915580487951L;
+    private static Logger logger = LoggerFactory.getLogger(BarChartDataset.class);
+
+    private String name;
+    private int borderWidth;
+
+    /**
+     * Instantiates a new bar chart dataset.
+     *
+     * @param name
+     *            the name
+     */
+    public BarChartDataset(final String name)
+    {
+        super();
+        this.name = name;
+        this.borderWidth = 1;
+    }
+
+    public int getBorderWidth()
+    {
+        return this.borderWidth;
+    }
+
+    /**
+     * Gets the colors.
+     *
+     * @return the colors
+     */
+    public ChartColors getColors()
+    {
+        ChartColors result;
+
+        result = new ChartColors();
+
+        for (BarChartData data : this)
+        {
+            result.add(data.getColor());
+        }
+
+        //
+        return result;
+    }
+
+    public String getName()
+    {
+        return this.name;
+    }
+
+    /**
+     * Gets the values.
+     *
+     * @return the values
+     */
+    public double[] getValues()
+    {
+        double[] result;
+
+        result = new double[this.size()];
+
+        int index = 0;
+        for (BarChartData data : this)
+        {
+            result[index] = data.getValue();
+            index += 1;
+        }
+
+        //
+        return result;
+    }
+
+    public void setBorderWidth(final int borderWidth)
+    {
+        this.borderWidth = borderWidth;
+    }
+
+    public void setName(final String name)
+    {
+        this.name = name;
+    }
+}

src/fr/devinsy/statoolinfos/htmlize/charts/BarChartDatasets.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2020-2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.htmlize.charts;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class BarChartDatasets.
+ */
+public class BarChartDatasets extends ArrayList<BarChartDataset>
+{
+    private static final long serialVersionUID = 306645976348400468L;
+
+    private static Logger logger = LoggerFactory.getLogger(BarChartDatasets.class);
+
+    /**
+     * Instantiates a new bar chart datasets.
+     */
+    public BarChartDatasets()
+    {
+        super();
+    }
+
+    /**
+     * Gets the by name.
+     *
+     * @param name
+     *            the name
+     * @return the by name
+     */
+    public BarChartDataset get(final String name)
+    {
+        BarChartDataset result;
+
+        boolean ended = false;
+        result = null;
+        Iterator<BarChartDataset> iterator = this.iterator();
+        while (!ended)
+        {
+            if (iterator.hasNext())
+            {
+                BarChartDataset dataset = iterator.next();
+                if (StringUtils.equals(dataset.getName(), name))
+                {
+                    ended = true;
+                    result = dataset;
+                }
+            }
+            else
+            {
+                ended = true;
+                result = null;
+            }
+        }
+
+        //
+        return result;
+    }
+
+}

src/fr/devinsy/statoolinfos/htmlize/charts/BarChartView.java

@@ -21,6 +21,7 @@ package fr.devinsy.statoolinfos.htmlize.charts;
 import java.io.IOException;
 
 import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -53,12 +54,66 @@ public class BarChartView
             String source = XidynUtils.load(BarChartView.class.getResource("/fr/devinsy/statoolinfos/htmlize/charts/barChartView.xhtml"));
             result = XidynUtils.extractBodyContent(source);
 
-            result = result.replace("myChart", "myChart_" + DigestUtils.sha1Hex(bar.getTitle() + "PieChart"));
+            result = result.replace("myChart", "myChart_" + DigestUtils.sha1Hex(bar.getTitle() + "barChart"));
-            result = result.replaceFirst("labels: \\[.*\\]", "labels: " + ChabuUtils.toJSonStrings(bar.getLabels()));
+
-            result = result.replaceFirst("data: \\[.*\\]", "data: " + ChabuUtils.toJSonNumbers(new StringList(bar.getValues())));
+            StringList lines = new StringList();
-            result = result.replaceFirst("backgroundColor: \\[.*\\]", "backgroundColor: " + ChabuUtils.toJSonStrings(bar.getColors().getCodes()));
+            lines.append("{\n");
-            result = result.replaceFirst("borderColor: \\[.*\\]", "borderColor: " + ChabuUtils.toJSonStrings(bar.getColors().getLights()));
+            lines.append("    type: 'bar',\n");
-            result = result.replaceFirst("text: '.*'", "text: '" + bar.getTitle().replace("'", "\\\\'") + "'");
+            lines.append("    data: \n");
+            lines.append("    {\n");
+            lines.append("        labels: ").append(ChabuUtils.toJSonStrings(bar.getLabels())).appendln(",");
+            lines.append("        datasets: \n");
+            lines.append("        [\n");
+            for (BarChartDataset dataset : bar.getDatasets())
+            {
+                lines.append("            {\n");
+                lines.append("                label: '").append(escape(dataset.getName())).appendln("',");
+                lines.append("                data: ").append(ChabuUtils.toJSonNumbers(dataset.getValues())).appendln(",");
+                lines.append("                backgroundColor: ").append(ChabuUtils.toJSonStrings(dataset.getColors().getCodes())).appendln(",");
+                lines.append("                borderColor: ").append(ChabuUtils.toJSonStrings(dataset.getColors().getLights())).appendln(",");
+                lines.append("                borderWidth: ").append(dataset.getBorderWidth()).appendln(",");
+                lines.append("            }\n");
+                lines.append("        ]\n");
+                lines.append("    },\n");
+            }
+            lines.append("    options: \n");
+            lines.append("    {\n");
+            lines.append("        maintainAspectRatio: false,\n");
+            lines.append("        display: true,\n");
+            lines.append("        responsive: true,\n");
+            lines.append("        legend: \n");
+            lines.append("        {\n");
+            lines.append("            display: false,\n");
+            lines.append("            position: 'top',\n");
+            lines.append("        },\n");
+            lines.append("        title:\n");
+            lines.append("        {\n");
+            lines.append("            display: true,\n");
+            lines.append("            text: '").append(escape(bar.getTitle())).appendln("'");
+            lines.append("        },\n");
+            lines.append("        scales: \n");
+            lines.append("        {\n");
+            lines.append("            xAxes:\n");
+            lines.append("            [{\n");
+            lines.append("                    ticks: \n");
+            lines.append("                    {\n");
+            lines.append("                        beginAtZero: true\n");
+            lines.append("                    }\n");
+            lines.append("            }],\n");
+            lines.append("            yAxes:\n");
+            lines.append("            [{\n");
+            lines.append("                    ticks: \n");
+            lines.append("                    {\n");
+            lines.append("                        beginAtZero: true,\n");
+            lines.append("                        suggestedMax: 10,\n");
+            lines.append("                        precision: 0\n");
+            lines.append("                    }\n");
+            lines.append("            }]\n");
+            lines.append("        }\n");
+            lines.append("    }\n");
+            lines.append("}");
+
+            result = result.replaceFirst("\\{[\\s\\S]*\\}", lines.toString());
         }
         catch (IOException exception)
         {
@@ -68,4 +123,28 @@ public class BarChartView
         //
         return result;
     }
+
+    /**
+     * Escape.
+     *
+     * @param input
+     *            the input
+     * @return the string
+     */
+    public static String escape(final String input)
+    {
+        String result;
+
+        if (StringUtils.isBlank(input))
+        {
+            result = "";
+        }
+        else
+        {
+            result = input.replace("'", "\\\\'");
+        }
+
+        //
+        return result;
+    }
 }

src/fr/devinsy/statoolinfos/htmlize/charts/ChabuUtils.java

@@ -545,6 +545,24 @@ public class ChabuUtils
         return result;
     }
 
+    /**
+     * To J son numbers.
+     *
+     * @param source
+     *            the source
+     * @return the string
+     */
+    public static String toJSonNumbers(final double[] values)
+    {
+        String result;
+
+        StringList data = new StringList(values);
+        result = toJSonNumbers(data);
+
+        //
+        return result;
+    }
+
     /**
      * To Json numbers.
      *
@@ -552,11 +570,11 @@ public class ChabuUtils
      *            the source
      * @return the string
      */
-    public static String toJSonNumbers(final StringList source)
+    public static String toJSonNumbers(final StringList values)
     {
         String result;
 
-        result = StringsUtils.toString(source, "[", ",", "]");
+        result = StringsUtils.toString(values, "[", ",", "]");
 
         //
         return result;