Widget:Grafico: differenze tra le versioni

Da WikiLectio.
m test
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Etichetta: Ripristino manuale
 
(31 versioni intermedie di uno stesso utente non sono mostrate)
Riga 1: Riga 1:
<includeonly>
<includeonly>
<div id="chartwrap_<!--{$id|escape:'html'}-->"
<div id="chartwrap_<!--{$id}-->"
     style="width:<!--{$width|default:600|escape:'html'}-->px;height:<!--{$height|default:380|escape:'html'}-->px;">
     style="width:<!--{$width|default:600}-->px;height:<!--{$height|default:380}-->px;">
   <canvas id="canvas_<!--{$id|escape:'html'}-->"
   <canvas id="canvas_<!--{$id}-->"
           width="<!--{$width|default:600|escape:'html'}-->"
           width="<!--{$width|default:600}-->"
           height="<!--{$height|default:380|escape:'html'}-->"
           height="<!--{$height|default:380}-->"></canvas>
          data-id="<!--{$id|escape:'html'}-->"
 
          data-title="<!--{$title|escape:'html'}-->"
  <!-- Config INI dentro <pre hidden> -->
          data-x-title="<!--{$xTitle|default:'Quantità di appartamenti'|escape:'html'}-->"
  <pre id="cfg_<!--{$id}-->" hidden>
          data-y-title="<!--{$yTitle|default:'Prezzo dell\'affitto'|escape:'html'}-->"
id=<!--{$id}-->
          data-labels="<!--{$labels|default:'0,2,4,6,8,10'|escape:'html'}-->"
title=<!--{$title}-->
          data-series1-title="<!--{$series1title|escape:'html'}-->"
xTitle=<!--{$xTitle}-->
          data-series1-data="<!--{$series1data|escape:'html'}-->"
yTitle=<!--{$yTitle}-->
          data-series1-type="<!--{$series1type|default:'line'|escape:'html'}-->"
labels=<!--{$labels}-->
          data-series1-color="<!--{$series1color|escape:'html'}-->"
          data-series2-title="<!--{$series2title|escape:'html'}-->"
          data-series2-data="<!--{$series2data|escape:'html'}-->"
          data-series2-type="<!--{$series2type|default:'line'|escape:'html'}-->"
          data-series2-color="<!--{$series2color|escape:'html'}-->"
          data-series3-title="<!--{$series3title|escape:'html'}-->"
          data-series3-data="<!--{$series3data|escape:'html'}-->"
          data-series3-type="<!--{$series3type|default:'line'|escape:'html'}-->"
          data-series3-color="<!--{$series3color|escape:'html'}-->"
          data-series4-title="<!--{$series4title|escape:'html'}-->"
          data-series4-data="<!--{$series4data|escape:'html'}-->"
          data-series4-type="<!--{$series4type|default:'line'|escape:'html'}-->"
          data-series4-color="<!--{$series4color|escape:'html'}-->"
          data-eqx="<!--{$eqX|escape:'html'}-->"
          data-eqy="<!--{$eqY|escape:'html'}-->"
          data-show-legend="<!--{$showLegend|default:'true'|escape:'html'}-->"
          data-responsive="<!--{$responsive|default:'true'|escape:'html'}-->"
          data-xmin="<!--{$xMin|escape:'html'}-->"
          data-xmax="<!--{$xMax|escape:'html'}-->"
          data-ymin="<!--{$yMin|escape:'html'}-->"
          data-ymax="<!--{$yMax|escape:'html'}-->"
  ></canvas>
</div>


<!-- Chart.js (CDN) -->
series1title=<!--{$series1title}-->
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
series1data=<!--{$series1data}-->
series1type=<!--{$series1type}-->
series1color=<!--{$series1color}-->


<script>
series2title=<!--{$series2title}-->
(function(){
series2data=<!--{$series2data}-->
  function csvToArray(str){ if(!str) return []; return str.split(',').map(s=>s.trim()); }
series2type=<!--{$series2type}-->
  function csvToNum(str){ return csvToArray(str).map(v=>{const n=Number(v); return isNaN(n)?null:n;}); }
series2color=<!--{$series2color}-->
  function truthy(s){ return String(s||'').toLowerCase() !== 'false'; }
  function numOrUndef(s){ const n = Number(s); return isNaN(n) ? undefined : n; }


  function buildDataset(title, data, type, color){
series3title=<!--{$series3title}-->
    if(!title || !data) return null;
series3data=<!--{$series3data}-->
    return {
series3type=<!--{$series3type}-->
      label: title,
series3color=<!--{$series3color}-->
      data: csvToNum(data),
      type: (type || 'line'),
      fill: false,
      borderColor: color || undefined,
      backgroundColor: color || undefined,
      tension: 0,
      pointRadius: 2
    };
  }


  document.querySelectorAll("canvas[id^='canvas_']").forEach(function(c){
series4title=<!--{$series4title}-->
    var ds = c.dataset;
series4data=<!--{$series4data}-->
    var labels = csvToArray(ds.labels);
series4type=<!--{$series4type}-->
series4color=<!--{$series4color}-->


    // ATTENZIONE: dataset usa CAMEL CASE per i data-attributes con trattini
eqX=<!--{$eqX}-->
    // Esempio: data-series1-title -> ds.series1Title (non "series1title")
eqY=<!--{$eqY}-->
    var datasets = [];
showLegend=<!--{$showLegend}-->
    var seriesDefs = [
responsive=<!--{$responsive}-->
      { t: ds.series1Title, d: ds.series1Data, ty: ds.series1Type, c: ds.series1Color },
xMin=<!--{$xMin}-->
      { t: ds.series2Title, d: ds.series2Data, ty: ds.series2Type, c: ds.series2Color },
xMax=<!--{$xMax}-->
      { t: ds.series3Title, d: ds.series3Data, ty: ds.series3Type, c: ds.series3Color },
yMin=<!--{$yMin}-->
      { t: ds.series4Title, d: ds.series4Data, ty: ds.series4Type, c: ds.series4Color }
yMax=<!--{$yMax}-->
    ];
  </pre>
    seriesDefs.forEach(function(s){
      var d = buildDataset(s.t, s.d, s.ty, s.c);
      if(d) datasets.push(d);
    });


    // Punto di equilibrio opzionale
  <!-- opzionale: area debug tenuta nascosta -->
    var eqx = Number(ds.eqx), eqy = Number(ds.eqy);
  <pre id="debug_<!--{$id}-->" hidden></pre>
    if(!isNaN(eqx) && !isNaN(eqy)){
</div>
      datasets.push({
        label: 'Equilibrio',
        type: 'scatter',
        data: [{x:eqx, y:eqy}],
        showLine: false,
        pointRadius: 5,
        pointHoverRadius: 6,
        borderColor: '#000',
        backgroundColor: '#000'
      });
    }


    var numericLabels = labels.every(l => !isNaN(Number(l)));
<script src="/resources/chart.umd.js" defer></script>
    new Chart(c.getContext('2d'), {
<script src="/resources/widget-grafico.js" defer></script>
      type: 'line',
      data: { labels: labels, datasets: datasets },
      options: {
        responsive: truthy(ds.responsive),
        maintainAspectRatio: false,
        plugins: {
          title: { display: !!ds.title, text: ds.title },
          legend: { display: truthy(ds.showLegend) },
          tooltip: { enabled: true }
        },
        elements: { line: { borderWidth: 2 } },
        scales: {
          x: numericLabels ? {
            type: 'linear',
            title: { display: true, text: ds.xTitle || 'Quantità di appartamenti' },
            min: numOrUndef(ds.xmin), max: numOrUndef(ds.xmax)
          } : {
            type: 'category',
            title: { display: true, text: ds.xTitle || 'Quantità di appartamenti' }
          },
          y: {
            title: { display: true, text: ds.yTitle || "Prezzo dell'affitto" },
            min: numOrUndef(ds.ymin), max: numOrUndef(ds.ymax),
            beginAtZero: false
          }
        }
      }
    });
  });
})();
</script>
</includeonly>
</includeonly>

Versione attuale delle 22:36, 23 set 2025