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https://forge.chapril.org/tykayn/osm-commerces
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refacto js, up graph
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11 changed files with 840 additions and 48 deletions
180
assets/dashboard-charts.js
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180
assets/dashboard-charts.js
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// Bubble chart du dashboard avec option de taille de bulle proportionnelle ou égale
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let bubbleChart = null; // Déclaré en dehors pour garder la référence
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function getBubbleData(proportional) {
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// Générer les données puis trier par rayon décroissant
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const data = window.statsDataForBubble.map(stat => {
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const population = parseInt(stat.population, 10);
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const placesCount = parseInt(stat.placesCount, 10);
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const ratio = population > 0 ? (placesCount / population) * 1000 : 0;
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return {
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x: population,
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y: ratio,
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r: proportional ? Math.sqrt(placesCount) * 2 : 12,
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label: stat.name,
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completion: stat.completionPercent || 0,
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zone: stat.zone
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};
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});
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// Trier du plus gros au plus petit rayon
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data.sort((a, b) => b.r - a.r);
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return data;
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}
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document.addEventListener('DOMContentLoaded', function() {
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function waitForChartAndDrawBubble() {
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if (!window.Chart || !window.ChartDataLabels) {
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setTimeout(waitForChartAndDrawBubble, 50);
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return;
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}
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const chartCanvas = document.getElementById('bubbleChart');
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const toggle = document.getElementById('toggleBubbleSize');
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function drawBubbleChart(proportional) {
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// Détruire toute instance Chart.js existante sur ce canvas (Chart.js v3+)
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const existing = window.Chart.getChart(chartCanvas);
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if (existing) {
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try { existing.destroy(); } catch (e) { console.warn('Erreur destroy Chart:', e); }
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}
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if (bubbleChart) {
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try { bubbleChart.destroy(); } catch (e) { console.warn('Erreur destroy Chart:', e); }
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bubbleChart = null;
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}
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// Forcer le canvas à occuper toute la largeur/hauteur du conteneur en pixels
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if (chartCanvas && chartCanvas.parentElement) {
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const parentRect = chartCanvas.parentElement.getBoundingClientRect();
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console.log('parentRect', parentRect)
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chartCanvas.width = (parentRect.width);
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chartCanvas.height = (parentRect.height);
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chartCanvas.style.width = parentRect.width + 'px';
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chartCanvas.style.height = parentRect.height + 'px';
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}
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const bubbleChartData = getBubbleData(proportional);
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// Calcul de la régression linéaire (moindres carrés)
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const validPoints = bubbleChartData.filter(d => d.x > 0 && d.y > 0);
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const n = validPoints.length;
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let regressionLine = null, slope = 0, intercept = 0;
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if (n >= 2) {
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let sumX = 0, sumY = 0, sumXY = 0, sumXX = 0;
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validPoints.forEach(d => {
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sumX += Math.log10(d.x);
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sumY += d.y;
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sumXY += Math.log10(d.x) * d.y;
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sumXX += Math.log10(d.x) * Math.log10(d.x);
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});
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const meanX = sumX / n;
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const meanY = sumY / n;
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slope = (sumXY - n * meanX * meanY) / (sumXX - n * meanX * meanX);
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intercept = meanY - slope * meanX;
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const xMin = Math.min(...validPoints.map(d => d.x));
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const xMax = Math.max(...validPoints.map(d => d.x));
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regressionLine = [
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{ x: xMin, y: slope * Math.log10(xMin) + intercept },
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{ x: xMax, y: slope * Math.log10(xMax) + intercept }
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];
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}
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window.Chart.register(window.ChartDataLabels);
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bubbleChart = new window.Chart(chartCanvas.getContext('2d'), {
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type: 'bubble',
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data: {
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datasets: [
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{
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label: 'Villes',
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data: bubbleChartData,
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backgroundColor: bubbleChartData.map(d => `rgba(94, 255, 121, ${d.completion / 100})`),
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borderColor: 'rgb(94, 255, 121)',
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datalabels: {
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anchor: 'center',
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align: 'center',
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color: '#000',
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display: true,
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font: { weight: 'bold' },
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formatter: (value, context) => {
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return context.dataset.data[context.dataIndex].label;
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}
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}
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},
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regressionLine ? {
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label: 'Régression linéaire',
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type: 'line',
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data: regressionLine,
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borderColor: 'rgba(0, 0, 0, 0.7)',
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borderWidth: 2,
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pointRadius: 0,
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fill: false,
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order: 0,
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tension: 0,
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datalabels: { display: false }
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} : null
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].filter(Boolean)
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},
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options: {
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// responsive: true,
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plugins: {
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datalabels: {
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// Désactivé au niveau global, activé par dataset
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display: false
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},
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legend: { display: true },
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tooltip: {
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callbacks: {
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label: (context) => {
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const d = context.raw;
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if (context.dataset.type === 'line') {
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return `Régression: y = ${slope.toFixed(2)} × log10(x) + ${intercept.toFixed(2)}`;
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}
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return [
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`${d.label}`,
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`Population: ${d.x.toLocaleString()}`,
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`Lieux / 1000 hab: ${d.y.toFixed(2)}`,
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`Total lieux: ${Math.round(Math.pow(d.r / 2, 2))}`,
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`Complétion: ${d.completion}%`
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];
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}
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}
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}
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},
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scales: {
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x: {
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type: 'logarithmic',
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title: { display: true, text: 'Population (échelle log)' }
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},
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y: {
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title: { display: true, text: 'Commerces par habitant' }
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}
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}
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}
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});
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// Ajout du clic sur une bulle
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chartCanvas.onclick = function(evt) {
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const points = bubbleChart.getElementsAtEventForMode(evt, 'nearest', { intersect: true }, true);
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if (points.length > 0) {
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const firstPoint = points[0];
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const dataIndex = firstPoint.index;
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const stat = window.statsDataForBubble[dataIndex];
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if (stat && stat.zone) {
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window.location.href = '/admin/stats/' + stat.zone;
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}
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}
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};
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}
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// Initial draw
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console.log('[bubble chart] Initialisation avec taille proportionnelle ?', toggle.checked);
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drawBubbleChart(toggle && toggle.checked);
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// Listener
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toggle.addEventListener('change', function() {
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console.log('[bubble chart] Toggle changé, taille proportionnelle ?', toggle.checked);
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drawBubbleChart(toggle.checked);
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});
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}
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waitForChartAndDrawBubble();
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});
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