| 1 |
/* global console */ |
| 2 |
/* global visualizer */ |
| 3 |
/* global Chart */ |
| 4 |
/* global numeral */ |
| 5 |
/* global moment */ |
| 6 |
|
| 7 |
(function($) { |
| 8 |
var all_charts; |
| 9 |
// so that we know which charts belong to our library. |
| 10 |
var rendered_charts = []; |
| 11 |
|
| 12 |
function renderChart(id, v) { |
| 13 |
renderSpecificChart(id, all_charts[id], v); |
| 14 |
} |
| 15 |
|
| 16 |
function renderSpecificChart(id, chart, v) { |
| 17 |
var render, container, series, data, datasets, settings, i, j, row, date, axis, property, format, formatter, type, rows, cols, labels; |
| 18 |
|
| 19 |
if(chart.library !== 'chartjs'){ |
| 20 |
return; |
| 21 |
} |
| 22 |
rendered_charts[id] = 'yes'; |
| 23 |
|
| 24 |
series = chart.series; |
| 25 |
data = chart.data; |
| 26 |
settings = chart.settings; |
| 27 |
|
| 28 |
container = document.getElementById(id); |
| 29 |
if (container == null) { |
| 30 |
return; |
| 31 |
} |
| 32 |
|
| 33 |
// eliminate the jitter/flicker while editing charts. |
| 34 |
if(v.is_front == false){ // jshint ignore:line |
| 35 |
$('#' + id).empty(); |
| 36 |
} |
| 37 |
|
| 38 |
if($('#' + id + ' canvas').length === 0){ |
| 39 |
$('#' + id).append($('<canvas width="100%" height="90%"></canvas>')); |
| 40 |
} |
| 41 |
|
| 42 |
var context = $('#' + id + ' canvas')[0].getContext('2d'); |
| 43 |
|
| 44 |
type = chart.type; |
| 45 |
switch (chart.type) { |
| 46 |
case 'column': |
| 47 |
type = 'bar'; |
| 48 |
break; |
| 49 |
case 'bar': |
| 50 |
type = 'horizontalBar'; |
| 51 |
break; |
| 52 |
case 'pie': |
| 53 |
// donut is not a setting but a separate chart type. |
| 54 |
if(typeof settings['custom'] !== 'undefined' && settings['custom']['donut'] === 'true'){ |
| 55 |
type = 'doughnut'; |
| 56 |
} |
| 57 |
break; |
| 58 |
} |
| 59 |
|
| 60 |
rows = []; |
| 61 |
datasets = []; |
| 62 |
labels = []; |
| 63 |
|
| 64 |
for (i = 0; i < data.length; i++) { |
| 65 |
row = []; |
| 66 |
for (j = 0; j < series.length; j++) { |
| 67 |
if (series[j].type === 'date' || series[j].type === 'datetime') { |
| 68 |
date = new Date(data[i][j]); |
| 69 |
data[i][j] = null; |
| 70 |
if (Object.prototype.toString.call(date) === "[object Date]") { |
| 71 |
if (!isNaN(date.getTime())) { |
| 72 |
data[i][j] = date; |
| 73 |
} |
| 74 |
} |
| 75 |
} |
| 76 |
row.push(format_data(data[i][j], j, settings, series)); |
| 77 |
} |
| 78 |
rows.push(row); |
| 79 |
} |
| 80 |
|
| 81 |
// transpose |
| 82 |
for (j = 0; j < series.length; j++) { |
| 83 |
row = []; |
| 84 |
for (i = 0; i < rows.length; i++) { |
| 85 |
if(j === 0){ |
| 86 |
labels.push(rows[i][j]); |
| 87 |
}else{ |
| 88 |
row.push(rows[i][j]); |
| 89 |
} |
| 90 |
} |
| 91 |
if(row.length > 0){ |
| 92 |
var $attributes = {label: series[j].label, data: row}; |
| 93 |
switch(chart.type){ |
| 94 |
case 'pie': |
| 95 |
case 'polarArea': |
| 96 |
$.extend($attributes, {label: labels}); |
| 97 |
handlePieSeriesSettings($attributes, rows, settings, chart); |
| 98 |
break; |
| 99 |
default: |
| 100 |
handleSeriesSettings($attributes, j - 1, settings, chart); |
| 101 |
} |
| 102 |
datasets.push($attributes); |
| 103 |
} |
| 104 |
} |
| 105 |
|
| 106 |
if(v.is_front == false){ // jshint ignore:line |
| 107 |
// this line needs to be included twice. This is not an error. |
| 108 |
// if this one is removed, the preview gets messed up. |
| 109 |
// if this line is included all the time, in this very place (out of the if), the front-end gets messed up. |
| 110 |
$.extend(settings, { responsive: true, maintainAspectRatio: false }); |
| 111 |
} |
| 112 |
|
| 113 |
handleSettings(settings, chart); |
| 114 |
|
| 115 |
var chartjs = new Chart(context, { |
| 116 |
type: type, |
| 117 |
data: { |
| 118 |
labels: labels, |
| 119 |
datasets: datasets |
| 120 |
}, |
| 121 |
options: settings, |
| 122 |
plugins: [{ |
| 123 |
afterRender: function () { |
| 124 |
var canvas = $( 'canvas' )[0]; |
| 125 |
if ( $( '#chart-img' ).length ) { |
| 126 |
$( '#chart-img' ).val( canvas.toDataURL() ); |
| 127 |
} |
| 128 |
}, |
| 129 |
}], |
| 130 |
}); |
| 131 |
|
| 132 |
// this line needs to be included twice. This is not an error. |
| 133 |
$.extend(settings, { responsive: true, maintainAspectRatio: false }); |
| 134 |
|
| 135 |
// chart area |
| 136 |
if(v.is_front == true){ // jshint ignore:line |
| 137 |
$('#' + id).css('position', 'relative'); |
| 138 |
var height = settings.height.indexOf('%') === -1 ? ( settings.height + 'px' ) : settings.height; |
| 139 |
var width = settings.width.indexOf('%') === -1 ? ( settings.width + 'px' ) : settings.width; |
| 140 |
if(settings.height){ |
| 141 |
chartjs.canvas.parentNode.style.height = height; |
| 142 |
$('#' + id + ' canvas').css('height', height); |
| 143 |
} |
| 144 |
if(settings.width){ |
| 145 |
chartjs.canvas.parentNode.style.width = width; |
| 146 |
$('#' + id + ' canvas').css('width', width); |
| 147 |
} |
| 148 |
} |
| 149 |
|
| 150 |
// allow user to extend the settings. |
| 151 |
$('body').trigger('visualizer:chart:settings:extend', {id: id, chart: chart, settings: settings}); |
| 152 |
|
| 153 |
$('.loader').remove(); |
| 154 |
} |
| 155 |
|
| 156 |
function handleSettings(settings, chart){ |
| 157 |
if(typeof settings === 'undefined'){ |
| 158 |
return; |
| 159 |
} |
| 160 |
|
| 161 |
// handle some defaults/idiosyncrasies. |
| 162 |
if(typeof settings['animation'] !== 'undefined' && parseInt(settings['animation']['duration']) === 0){ |
| 163 |
settings['animation']['duration'] = 1000; |
| 164 |
} |
| 165 |
|
| 166 |
if(typeof settings['title'] !== 'undefined' && settings['title']['text'] !== ''){ |
| 167 |
settings['title']['display'] = true; |
| 168 |
} |
| 169 |
|
| 170 |
if(typeof settings['tooltip'] !== 'undefined' && typeof settings['tooltip']['intersect'] !== 'undefined'){ |
| 171 |
// jshint ignore:line |
| 172 |
settings['tooltip']['intersect'] = settings['tooltip']['intersect'] == true || parseInt(settings['tooltip']['intersect']) === 1; // jshint ignore:line |
| 173 |
} |
| 174 |
|
| 175 |
if(typeof settings['fontName'] !== 'undefined' && settings['fontName'] !== ''){ |
| 176 |
Chart.defaults.global.defaultFontFamily = settings['fontName']; |
| 177 |
delete settings['fontName']; |
| 178 |
} |
| 179 |
|
| 180 |
if(typeof settings['fontSize'] !== 'undefined' && settings['fontSize'] !== ''){ |
| 181 |
Chart.defaults.global.defaultFontSize = parseInt(settings['fontSize']); |
| 182 |
delete settings['fontSize']; |
| 183 |
} |
| 184 |
|
| 185 |
// handle legend defaults. |
| 186 |
if(typeof settings['legend'] !== 'undefined' && typeof settings['legend']['labels'] !== 'undefined') { |
| 187 |
for(var i in settings['legend']['labels']){ |
| 188 |
if(settings['legend']['labels'][i] !== 'undefined' && settings['legend']['labels'][i] === ''){ |
| 189 |
delete settings['legend']['labels'][i]; |
| 190 |
} |
| 191 |
} |
| 192 |
} |
| 193 |
|
| 194 |
handleAxes(settings, chart); |
| 195 |
|
| 196 |
override(settings, chart); |
| 197 |
} |
| 198 |
|
| 199 |
function handleAxes(settings, chart){ |
| 200 |
if(typeof settings['yAxes'] !== 'undefined' && typeof settings['xAxes'] !== 'undefined'){ |
| 201 |
// stacking has to be defined on both axes. |
| 202 |
if(typeof settings['yAxes']['stacked_bool'] !== 'undefined'){ |
| 203 |
settings['xAxes']['stacked_bool'] = 'true'; |
| 204 |
} |
| 205 |
if(typeof settings['xAxes']['stacked_bool'] !== 'undefined'){ |
| 206 |
settings['yAxes']['stacked_bool'] = 'true'; |
| 207 |
} |
| 208 |
} |
| 209 |
configureAxes(settings, 'yAxes', chart); |
| 210 |
configureAxes(settings, 'xAxes', chart); |
| 211 |
} |
| 212 |
|
| 213 |
function configureAxes(settings, axis, chart) { |
| 214 |
if(typeof settings[axis] !== 'undefined'){ |
| 215 |
var $features = {}; |
| 216 |
for(var i in settings[axis]){ |
| 217 |
var $o = {}; |
| 218 |
if(Array.isArray(settings[axis][i]) || typeof settings[axis][i] === 'object'){ |
| 219 |
for(var j in settings[axis][i]){ |
| 220 |
var $val = ''; |
| 221 |
if(j === 'labelString'){ |
| 222 |
$o['display'] = true; |
| 223 |
$val = settings[axis][i][j]; |
| 224 |
}else if(i === 'ticks'){ |
| 225 |
// number values under ticks need to be converted to numbers or the library throws a JS error. |
| 226 |
$val = parseFloat(settings[axis][i][j]); |
| 227 |
if(isNaN($val)){ |
| 228 |
$val = ''; |
| 229 |
} |
| 230 |
} else { |
| 231 |
$val = settings[axis][i][j]; |
| 232 |
} |
| 233 |
if($val !== ''){ |
| 234 |
$o[j] = $val; |
| 235 |
} |
| 236 |
} |
| 237 |
}else{ |
| 238 |
// usually for attributes that have primitive values. |
| 239 |
var array = i.split('_'); |
| 240 |
var dataType = 'string'; |
| 241 |
var dataValue = settings[axis][i]; |
| 242 |
if(array.length === 2){ |
| 243 |
dataType = array[1]; |
| 244 |
} |
| 245 |
|
| 246 |
if(settings[axis][i] === ''){ |
| 247 |
continue; |
| 248 |
} |
| 249 |
switch(dataType){ |
| 250 |
case 'bool': |
| 251 |
dataValue = dataValue === 'true' ? true : false; |
| 252 |
break; |
| 253 |
case 'int': |
| 254 |
dataValue = parseFloat(dataValue); |
| 255 |
break; |
| 256 |
} |
| 257 |
$o = dataValue; |
| 258 |
// remove the type suffix to get the name of the setting. |
| 259 |
i = i.replace(/_bool/g, '').replace(/_int/g, ''); |
| 260 |
} |
| 261 |
$features[i] = $o; |
| 262 |
} |
| 263 |
var $scales = {}; |
| 264 |
$scales['scales'] = {}; |
| 265 |
$scales['scales'][axis] = []; |
| 266 |
if(typeof settings['scales'] !== 'undefined' && typeof settings[axis + 'set'] === 'undefined'){ |
| 267 |
$scales['scales'] = settings['scales']; |
| 268 |
if(typeof settings['scales'][axis] !== 'undefined'){ |
| 269 |
$scales['scales'][axis] = settings['scales'][axis]; |
| 270 |
} |
| 271 |
} |
| 272 |
if(typeof $scales['scales'][axis] === 'undefined'){ |
| 273 |
$scales['scales'][axis] = []; |
| 274 |
} |
| 275 |
var $axis = $scales['scales'][axis]; |
| 276 |
|
| 277 |
$axis.push($features); |
| 278 |
$.extend(settings, $scales); |
| 279 |
|
| 280 |
// to prevent duplication, indicates that the axis has been set. |
| 281 |
var $custom = {}; |
| 282 |
$custom[axis + 'set'] = 'yes'; |
| 283 |
$.extend(settings, $custom); |
| 284 |
} |
| 285 |
|
| 286 |
// format the axes labels. |
| 287 |
if(typeof settings[axis + '_format'] !== 'undefined' && settings[axis + '_format'] !== ''){ |
| 288 |
var format = settings[axis + '_format']; |
| 289 |
switch(axis){ |
| 290 |
case 'xAxes': |
| 291 |
settings.scales.xAxes[0].ticks.callback = function(value, index, values){ |
| 292 |
return format_datum(value, format); |
| 293 |
}; |
| 294 |
break; |
| 295 |
case 'yAxes': |
| 296 |
settings.scales.yAxes[0].ticks.callback = function(value, index, values){ |
| 297 |
return format_datum(value, format); |
| 298 |
}; |
| 299 |
break; |
| 300 |
} |
| 301 |
delete settings[axis + '_format']; |
| 302 |
} |
| 303 |
delete settings[axis]; |
| 304 |
} |
| 305 |
|
| 306 |
function handlePieSeriesSettings($attributes, rows, settings, chart){ |
| 307 |
if(typeof settings.slices === 'undefined'){ |
| 308 |
return; |
| 309 |
} |
| 310 |
|
| 311 |
var atts = []; |
| 312 |
// collect all the types of attributes |
| 313 |
for(var j in settings.slices[0]){ |
| 314 |
// weight screws up the rendering for some reason, so we will ignore it. |
| 315 |
if(j === 'weight') { |
| 316 |
continue; |
| 317 |
} |
| 318 |
atts.push(j); |
| 319 |
} |
| 320 |
|
| 321 |
for (j = 0; j < atts.length; j++) { |
| 322 |
var values = []; |
| 323 |
for (var i = 0; i < rows.length; i++) { |
| 324 |
if(typeof settings.slices[i] !== 'undefined' && typeof settings.slices[i][atts[j]] !== 'undefined'){ |
| 325 |
values.push(settings.slices[i][atts[j]]); |
| 326 |
} |
| 327 |
} |
| 328 |
var object = {}; |
| 329 |
object[ atts[ j ] ] = values; |
| 330 |
$.extend($attributes, object); |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
function handleSeriesSettings($attributes, j, settings, chart){ |
| 335 |
if(typeof settings.series === 'undefined' || typeof settings.series[j] === 'undefined'){ |
| 336 |
return; |
| 337 |
} |
| 338 |
for(var i in settings.series[j]){ |
| 339 |
var $attribute = {}; |
| 340 |
$attribute[i] = settings.series[j][i]; |
| 341 |
$.extend($attributes, $attribute); |
| 342 |
} |
| 343 |
} |
| 344 |
|
| 345 |
function format_datum(datum, format, type){ |
| 346 |
if(format === '' || format === null || typeof format === 'undefined'){ |
| 347 |
return datum; |
| 348 |
} |
| 349 |
// if there is no type, this is probably coming from the axes formatting. |
| 350 |
var removeDollar = true; |
| 351 |
if(typeof type === 'undefined' || type === null){ |
| 352 |
// we will determine type on the basis of the presence or absence of #. |
| 353 |
type = 'date'; |
| 354 |
if(format.indexOf('#') !== -1){ |
| 355 |
type = 'number'; |
| 356 |
} |
| 357 |
removeDollar = false; |
| 358 |
} |
| 359 |
|
| 360 |
switch(type) { |
| 361 |
case 'number': |
| 362 |
// numeral.js works on 0 instead of # so we just replace that in the ICU pattern set. |
| 363 |
format = format.replace(/#/g, '0'); |
| 364 |
// we also replace all instance of '$' as that is more relevant for ticks. |
| 365 |
if(removeDollar){ |
| 366 |
format = format.replace(/\$/g, ''); |
| 367 |
} |
| 368 |
datum = numeral(datum).format(format); |
| 369 |
break; |
| 370 |
case 'date': |
| 371 |
case 'datetime': |
| 372 |
case 'timeofday': |
| 373 |
datum = moment(datum).format(format); |
| 374 |
break; |
| 375 |
} |
| 376 |
return datum; |
| 377 |
} |
| 378 |
|
| 379 |
function format_data(datum, j, settings, series){ |
| 380 |
j = j - 1; |
| 381 |
var format = typeof settings.series !== 'undefined' && typeof settings.series[j] !== 'undefined' ? settings.series[j].format : ''; |
| 382 |
return format_datum(datum, format, series[j + 1].type); |
| 383 |
} |
| 384 |
|
| 385 |
function override(settings, chart) { |
| 386 |
if (settings.manual) { |
| 387 |
try{ |
| 388 |
var options = JSON.parse(settings.manual); |
| 389 |
$.extend(settings, options); |
| 390 |
delete settings.manual; |
| 391 |
}catch(error){ |
| 392 |
console.error("Error while adding manual configuration override " + settings.manual); |
| 393 |
} |
| 394 |
} |
| 395 |
} |
| 396 |
|
| 397 |
|
| 398 |
function render(v) { |
| 399 |
for (var id in (all_charts || {})) { |
| 400 |
renderChart(id, v); |
| 401 |
} |
| 402 |
} |
| 403 |
|
| 404 |
$('body').on('visualizer:render:chart:start', function(event, v){ |
| 405 |
all_charts = v.charts; |
| 406 |
|
| 407 |
if(v.is_front == true && typeof v.id !== 'undefined'){ // jshint ignore:line |
| 408 |
renderChart(v.id, v); |
| 409 |
} else { |
| 410 |
render(v); |
| 411 |
} |
| 412 |
|
| 413 |
// for some reason this needs to be introduced here for dynamic preview updates to work. |
| 414 |
v.update = function(){ |
| 415 |
renderChart('canvas', v); |
| 416 |
}; |
| 417 |
|
| 418 |
}); |
| 419 |
|
| 420 |
$('body').on('visualizer:render:specificchart:start', function(event, v){ |
| 421 |
renderSpecificChart(v.id, v.chart, v.v); |
| 422 |
}); |
| 423 |
|
| 424 |
$('body').on('visualizer:render:currentchart:update', function(event, v){ |
| 425 |
var data = v || event.detail; |
| 426 |
renderChart('canvas', data.visualizer); |
| 427 |
}); |
| 428 |
|
| 429 |
// front end actions |
| 430 |
// 'image' is also called from the library |
| 431 |
$('body').on('visualizer:action:specificchart', function(event, v){ |
| 432 |
var id = v.id; |
| 433 |
if(typeof rendered_charts[id] === 'undefined'){ |
| 434 |
return; |
| 435 |
} |
| 436 |
var canvas = $('#' + id + ' canvas'); |
| 437 |
switch(v.action){ |
| 438 |
case 'print': |
| 439 |
var win = window.open(); |
| 440 |
win.document.write("<br><img src='" + canvas[0].toDataURL() + "'/>"); |
| 441 |
win.document.close(); |
| 442 |
win.onload = function () { win.print(); setTimeout(win.close, 500); }; |
| 443 |
break; |
| 444 |
case 'image': |
| 445 |
var img = canvas[0].toDataURL(); |
| 446 |
if(img !== ''){ |
| 447 |
var $a = $("<a>"); // jshint ignore:line |
| 448 |
$a.attr("href", img); |
| 449 |
$("body").append($a); |
| 450 |
$a.attr("download", v.dataObj.name); |
| 451 |
$a[0].click(); |
| 452 |
$a.remove(); |
| 453 |
}else{ |
| 454 |
console.warn("No image generated"); |
| 455 |
} |
| 456 |
break; |
| 457 |
} |
| 458 |
}); |
| 459 |
|
| 460 |
})(jQuery); |
| 461 |
|
| 462 |
|
| 463 |
|
