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MediaWiki:Gadget-Charts-core.js: Difference between revisions
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var DARKMODE_TEXT = (($('body.wgl-theme-browntown').length) ? '#f4eaea' : '#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;
}
} else if (opts.tooltips.format=="harvestLives") {
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 + "; Yield: ";
label += tooltipItem.dataPoint.y.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 = $('<canvas class="rsw-chartjs-canvas">');
canvas.attr('id', 'rsw-chartjs-chart-' + self.index);
dataElement.empty().append(canvas).removeClass('rsw-chartjs-config').addClass("rsw-chart-parsed");
self.chart = new Chart(canvas, self.config);
}
this.config = parseData();
addFunctions()
makeChart();
self.chart.update();
}
function init() {
console.log('chart init');
// force all text to be darkmode happy by default
if ($('body.wgl-theme-dark').length || $('body.wgl-theme-browntown').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");
});
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