MediaWiki:Gadget-Charts-core.js
Revision as of 08:05, 16 February 2022 by Soulgazer (talk | contribs) (Created page with "var DARKMODE_TEXT = '#cbd9f4'; function RSWChart(i, dataElement) { var self = this; this.is_error = false; this.index = i; function error(t) { dataElement.removeClass('rsw-chartjs-config').addClass("rsw-chart-parsed rsw-chart-error").text(t); self.is_error = true; } function parseData() { console.log('parsing data for ' + self.index); if (self.is_error) return; var c = {}; console.log(dataElement....")
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var DARKMODE_TEXT = '#cbd9f4'; function RSWChart(i, dataElement) { var self = this; this.is_error = false; this.index = i; function error(t) { dataElement.removeClass('rsw-chartjs-config').addClass("rsw-chart-parsed rsw-chart-error").text(t); self.is_error = true; } function parseData() { console.log('parsing data for ' + self.index); if (self.is_error) return; var c = {}; console.log(dataElement.text()); try { var txt = dataElement.text(); txt = txt.replace(/</g, '<').replace(/>/g, '>').replace(/=/g, '=').replace(/\\/g, '\').replace(/\//g, '/'); return JSON.parse(txt); } catch (e) { error("Failed to parse JSON. " + e.name + ": " + e.message); } } function addFunctions() { var opts = self.config.options; if (opts.tooltips.format == "skillingSuccess") { opts.tooltips.callbacks = opts.tooltips.callbacks || {} opts.tooltips.callbacks.label = function(tooltipItem) { var label = tooltipItem.dataset.label.trim() || ''; if (label) { label += ': '; } label += "Level: " + tooltipItem.label + "; Chance: "; label += (tooltipItem.dataPoint.y * 100).toFixed(2) + "%"; return label; } } if (opts.scales.y.ticks.format == "percent") { opts.scales.y.ticks.callback = function(value) { return Math.round(value * 100) + "%" } } opts.datasetsPerGroup = opts.datasetsPerGroup || 1; if (opts.datasetsPerGroup !== 1) { opts.tooltips.filter = function(tooltipItem) { return tooltipItem.datasetIndex % opts.datasetsPerGroup == 0 || tooltipItem.dataIndex > 0; } opts.legend = opts.legend || {}; opts.legend.labels = opts.legend.labels || {}; opts.legend.labels.filter = function(legendItem, data) { return legendItem.datasetIndex % 3 == 0; } opts.legend.onClick = function(e, legendItem) { var index = legendItem.datasetIndex; var ci = this.chart; [ ci.getDatasetMeta(index - index % 3 + 0), ci.getDatasetMeta(index - index % 3 + 1), ci.getDatasetMeta(index - index % 3 + 2) ].forEach(function(meta) { meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; }); ci.update(); }; } var legendIconWidth = 25; var legendIconHeight = 25; var legendIconBorder = 2; self.config.data.datasets.forEach(function(dataset, i) { if (i % opts.datasetsPerGroup == 0 && dataset.pointStyleImg !== undefined) { opts.legend = opts.legend || {}; opts.legend.labels = opts.legend.labels || {}; opts.legend.labels.usePointStyle = true; opts.legend.labels.font = opts.legend.labels.font || {}; opts.legend.labels.font.size = 14; var baseColor = dataset.baseColor || dataset.borderColor; var canvas = document.createElement("canvas") canvas.width = legendIconWidth; canvas.height = legendIconHeight; var myctx = canvas.getContext("2d"); myctx.fillStyle = baseColor; myctx.fillRect(0, 0, canvas.width, canvas.height); myctx.fillStyle = "white"; myctx.fillRect(legendIconBorder, legendIconBorder, canvas.width - 2 * legendIconBorder, canvas.height - 2 * legendIconBorder); var colorData = myctx.getImageData(0, 0, 1, 1).data; var translColor = "rgba(" + colorData[0] + ", " + colorData[1] + ", " + colorData[2] + ", 0.15)"; myctx.fillStyle = translColor; myctx.fillRect(0, 0, canvas.width, canvas.height); var image = new Image() image.src = rs.getFileURLCached(dataset.pointStyleImg); image.crossOrigin = "anonymous" image.onload = function() { var imgSize = legendIconWidth - legendIconBorder * 2; var imgScale = Math.min(1.0, imgSize/image.width, imgSize/image.height); var imgWidth = imgScale * image.width; var imgHeight = imgScale * image.height myctx.drawImage(image, (legendIconWidth - imgWidth)/2, (legendIconHeight - imgHeight)/2, imgWidth, imgHeight); } dataset.pointStyle = canvas; for (var j = 0; j < opts.datasetsPerGroup; j++) { self.config.data.datasets[i + j].borderColor = baseColor; self.config.data.datasets[i + j].backgroundColor = translColor; self.config.data.datasets[i + j].hoverBorderColor = baseColor; self.config.data.datasets[i + j].hoverBackgroundColor = translColor; self.config.data.datasets[i + j].hoverRadius = 0; if (j == 0) { self.config.data.datasets[i+j].borderColor = translColor; self.config.data.datasets[i+j].hoverBorderColor = translColor; } } } }) } function makeChart() { console.log('making chart for ' + self.index); if (self.is_error) return; var canvas = $('<canvas class="rsw-chartjs-canvas">'); canvas.attr('id', 'rsw-chartjs-chart-' + self.index); dataElement.empty().append(canvas).removeClass('rsw-chartjs-config').addClass("rsw-chart-parsed"); self.chart = new Chart(canvas, self.config); } this.config = parseData(); addFunctions() makeChart(); self.chart.update(); } function init() { console.log('chart init'); // force all text to be darkmode happy by default // if ($('.skin-vector.wgl-darkmode').length) { // Chart.defaults.font.color = DARKMODE_TEXT; // Chart.defaults.color = 'rgba(255,255,255,0.1)'; // Chart.defaults.scale.gridLines.color = 'rgba(255,255,255,0.1)'; // } //other defaults Chart.defaults.plugins['legend'].labels.usePointStyle = true; window.charts = []; $('.rsw-chartjs-config').each(function(i, e) { console.log('creating chart ' + i); window.charts.push(new RSWChart(i, $(e))); }); window.RSWChart = RSWChart; } function addHook() { mw.hook('rscalc.submit').add(init); if (!window.charts) { init(); } } $.when($.ready, $.getScript("https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.0.0-beta/chart.min.js")).then(addHook, function() { console.error("Failed to load chart.js"); });