sakuya/node_modules/frappe-charts/dist/frappe-charts.esm.js
2022-04-10 00:37:53 +08:00

4109 lines
99 KiB
JavaScript

function $(expr, con) {
return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
}
$.create = (tag, o) => {
var element = document.createElement(tag);
for (var i in o) {
var val = o[i];
if (i === "inside") {
$(val).appendChild(element);
}
else if (i === "around") {
var ref = $(val);
ref.parentNode.insertBefore(element, ref);
element.appendChild(ref);
} else if (i === "styles") {
if(typeof val === "object") {
Object.keys(val).map(prop => {
element.style[prop] = val[prop];
});
}
} else if (i in element ) {
element[i] = val;
}
else {
element.setAttribute(i, val);
}
}
return element;
};
function getOffset(element) {
let rect = element.getBoundingClientRect();
return {
// https://stackoverflow.com/a/7436602/6495043
// rect.top varies with scroll, so we add whatever has been
// scrolled to it to get absolute distance from actual page top
top: rect.top + (document.documentElement.scrollTop || document.body.scrollTop),
left: rect.left + (document.documentElement.scrollLeft || document.body.scrollLeft)
};
}
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/offsetParent
// an element's offsetParent property will return null whenever it, or any of its parents,
// is hidden via the display style property.
function isHidden(el) {
return (el.offsetParent === null);
}
function isElementInViewport(el) {
// Although straightforward: https://stackoverflow.com/a/7557433/6495043
var rect = el.getBoundingClientRect();
return (
rect.top >= 0 &&
rect.left >= 0 &&
rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */
rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */
);
}
function getElementContentWidth(element) {
var styles = window.getComputedStyle(element);
var padding = parseFloat(styles.paddingLeft) +
parseFloat(styles.paddingRight);
return element.clientWidth - padding;
}
function fire(target, type, properties) {
var evt = document.createEvent("HTMLEvents");
evt.initEvent(type, true, true );
for (var j in properties) {
evt[j] = properties[j];
}
return target.dispatchEvent(evt);
}
// https://css-tricks.com/snippets/javascript/loop-queryselectorall-matches/
const BASE_MEASURES = {
margins: {
top: 10,
bottom: 10,
left: 20,
right: 20
},
paddings: {
top: 20,
bottom: 40,
left: 30,
right: 10
},
baseHeight: 240,
titleHeight: 20,
legendHeight: 30,
titleFontSize: 12,
};
function getTopOffset(m) {
return m.titleHeight + m.margins.top + m.paddings.top;
}
function getLeftOffset(m) {
return m.margins.left + m.paddings.left;
}
function getExtraHeight(m) {
let totalExtraHeight = m.margins.top + m.margins.bottom
+ m.paddings.top + m.paddings.bottom
+ m.titleHeight + m.legendHeight;
return totalExtraHeight;
}
function getExtraWidth(m) {
let totalExtraWidth = m.margins.left + m.margins.right
+ m.paddings.left + m.paddings.right;
return totalExtraWidth;
}
const INIT_CHART_UPDATE_TIMEOUT = 700;
const CHART_POST_ANIMATE_TIMEOUT = 400;
const DEFAULT_AXIS_CHART_TYPE = 'line';
const AXIS_DATASET_CHART_TYPES = ['line', 'bar'];
const AXIS_LEGEND_BAR_SIZE = 100;
const BAR_CHART_SPACE_RATIO = 0.5;
const MIN_BAR_PERCENT_HEIGHT = 0.00;
const LINE_CHART_DOT_SIZE = 4;
const DOT_OVERLAY_SIZE_INCR = 4;
const PERCENTAGE_BAR_DEFAULT_HEIGHT = 20;
const PERCENTAGE_BAR_DEFAULT_DEPTH = 2;
// Fixed 5-color theme,
// More colors are difficult to parse visually
const HEATMAP_DISTRIBUTION_SIZE = 5;
const HEATMAP_SQUARE_SIZE = 10;
const HEATMAP_GUTTER_SIZE = 2;
const DEFAULT_CHAR_WIDTH = 7;
const TOOLTIP_POINTER_TRIANGLE_HEIGHT = 5;
const DEFAULT_CHART_COLORS = ['light-blue', 'blue', 'violet', 'red', 'orange',
'yellow', 'green', 'light-green', 'purple', 'magenta', 'light-grey', 'dark-grey'];
const HEATMAP_COLORS_GREEN = ['#ebedf0', '#c6e48b', '#7bc96f', '#239a3b', '#196127'];
const DEFAULT_COLORS = {
bar: DEFAULT_CHART_COLORS,
line: DEFAULT_CHART_COLORS,
pie: DEFAULT_CHART_COLORS,
percentage: DEFAULT_CHART_COLORS,
heatmap: HEATMAP_COLORS_GREEN,
donut: DEFAULT_CHART_COLORS
};
// Universal constants
const ANGLE_RATIO = Math.PI / 180;
const FULL_ANGLE = 360;
class SvgTip {
constructor({
parent = null,
colors = []
}) {
this.parent = parent;
this.colors = colors;
this.titleName = '';
this.titleValue = '';
this.listValues = [];
this.titleValueFirst = 0;
this.x = 0;
this.y = 0;
this.top = 0;
this.left = 0;
this.setup();
}
setup() {
this.makeTooltip();
}
refresh() {
this.fill();
this.calcPosition();
}
makeTooltip() {
this.container = $.create('div', {
inside: this.parent,
className: 'graph-svg-tip comparison',
innerHTML: `<span class="title"></span>
<ul class="data-point-list"></ul>
<div class="svg-pointer"></div>`
});
this.hideTip();
this.title = this.container.querySelector('.title');
this.dataPointList = this.container.querySelector('.data-point-list');
this.parent.addEventListener('mouseleave', () => {
this.hideTip();
});
}
fill() {
let title;
if(this.index) {
this.container.setAttribute('data-point-index', this.index);
}
if(this.titleValueFirst) {
title = `<strong>${this.titleValue}</strong>${this.titleName}`;
} else {
title = `${this.titleName}<strong>${this.titleValue}</strong>`;
}
this.title.innerHTML = title;
this.dataPointList.innerHTML = '';
this.listValues.map((set, i) => {
const color = this.colors[i] || 'black';
let value = set.formatted === 0 || set.formatted ? set.formatted : set.value;
let li = $.create('li', {
styles: {
'border-top': `3px solid ${color}`
},
innerHTML: `<strong style="display: block;">${ value === 0 || value ? value : '' }</strong>
${set.title ? set.title : '' }`
});
this.dataPointList.appendChild(li);
});
}
calcPosition() {
let width = this.container.offsetWidth;
this.top = this.y - this.container.offsetHeight
- TOOLTIP_POINTER_TRIANGLE_HEIGHT;
this.left = this.x - width/2;
let maxLeft = this.parent.offsetWidth - width;
let pointer = this.container.querySelector('.svg-pointer');
if(this.left < 0) {
pointer.style.left = `calc(50% - ${-1 * this.left}px)`;
this.left = 0;
} else if(this.left > maxLeft) {
let delta = this.left - maxLeft;
let pointerOffset = `calc(50% + ${delta}px)`;
pointer.style.left = pointerOffset;
this.left = maxLeft;
} else {
pointer.style.left = `50%`;
}
}
setValues(x, y, title = {}, listValues = [], index = -1) {
this.titleName = title.name;
this.titleValue = title.value;
this.listValues = listValues;
this.x = x;
this.y = y;
this.titleValueFirst = title.valueFirst || 0;
this.index = index;
this.refresh();
}
hideTip() {
this.container.style.top = '0px';
this.container.style.left = '0px';
this.container.style.opacity = '0';
}
showTip() {
this.container.style.top = this.top + 'px';
this.container.style.left = this.left + 'px';
this.container.style.opacity = '1';
}
}
/**
* Returns the value of a number upto 2 decimal places.
* @param {Number} d Any number
*/
function floatTwo(d) {
return parseFloat(d.toFixed(2));
}
/**
* Returns whether or not two given arrays are equal.
* @param {Array} arr1 First array
* @param {Array} arr2 Second array
*/
/**
* Shuffles array in place. ES6 version
* @param {Array} array An array containing the items.
*/
/**
* Fill an array with extra points
* @param {Array} array Array
* @param {Number} count number of filler elements
* @param {Object} element element to fill with
* @param {Boolean} start fill at start?
*/
function fillArray(array, count, element, start=false) {
if(!element) {
element = start ? array[0] : array[array.length - 1];
}
let fillerArray = new Array(Math.abs(count)).fill(element);
array = start ? fillerArray.concat(array) : array.concat(fillerArray);
return array;
}
/**
* Returns pixel width of string.
* @param {String} string
* @param {Number} charWidth Width of single char in pixels
*/
function getStringWidth(string, charWidth) {
return (string+"").length * charWidth;
}
// https://stackoverflow.com/a/29325222
function getPositionByAngle(angle, radius) {
return {
x: Math.sin(angle * ANGLE_RATIO) * radius,
y: Math.cos(angle * ANGLE_RATIO) * radius,
};
}
/**
* Check if a number is valid for svg attributes
* @param {object} candidate Candidate to test
* @param {Boolean} nonNegative flag to treat negative number as invalid
*/
function isValidNumber(candidate, nonNegative=false) {
if (Number.isNaN(candidate)) return false;
else if (candidate === undefined) return false;
else if (!Number.isFinite(candidate)) return false;
else if (nonNegative && candidate < 0) return false;
else return true;
}
/**
* Round a number to the closes precision, max max precision 4
* @param {Number} d Any Number
*/
function round(d) {
// https://floating-point-gui.de/
// https://www.jacklmoore.com/notes/rounding-in-javascript/
return Number(Math.round(d + 'e4') + 'e-4');
}
/**
* Creates a deep clone of an object
* @param {Object} candidate Any Object
*/
function deepClone(candidate) {
let cloned, value, key;
if (candidate instanceof Date) {
return new Date(candidate.getTime());
}
if (typeof candidate !== "object" || candidate === null) {
return candidate;
}
cloned = Array.isArray(candidate) ? [] : {};
for (key in candidate) {
value = candidate[key];
cloned[key] = deepClone(value);
}
return cloned;
}
function getBarHeightAndYAttr(yTop, zeroLine) {
let height, y;
if (yTop <= zeroLine) {
height = zeroLine - yTop;
y = yTop;
} else {
height = yTop - zeroLine;
y = zeroLine;
}
return [height, y];
}
function equilizeNoOfElements(array1, array2,
extraCount = array2.length - array1.length) {
// Doesn't work if either has zero elements.
if(extraCount > 0) {
array1 = fillArray(array1, extraCount);
} else {
array2 = fillArray(array2, extraCount);
}
return [array1, array2];
}
function truncateString(txt, len) {
if (!txt) {
return;
}
if (txt.length > len) {
return txt.slice(0, len-3) + '...';
} else {
return txt;
}
}
function shortenLargeNumber(label) {
let number;
if (typeof label === 'number') number = label;
else if (typeof label === 'string') {
number = Number(label);
if (Number.isNaN(number)) return label;
}
// Using absolute since log wont work for negative numbers
let p = Math.floor(Math.log10(Math.abs(number)));
if (p <= 2) return number; // Return as is for a 3 digit number of less
let l = Math.floor(p / 3);
let shortened = (Math.pow(10, p - l * 3) * +(number / Math.pow(10, p)).toFixed(1));
// Correct for floating point error upto 2 decimal places
return Math.round(shortened*100)/100 + ' ' + ['', 'K', 'M', 'B', 'T'][l];
}
// cubic bezier curve calculation (from example by François Romain)
function getSplineCurvePointsStr(xList, yList) {
let points=[];
for(let i=0;i<xList.length;i++){
points.push([xList[i], yList[i]]);
}
let smoothing = 0.2;
let line = (pointA, pointB) => {
let lengthX = pointB[0] - pointA[0];
let lengthY = pointB[1] - pointA[1];
return {
length: Math.sqrt(Math.pow(lengthX, 2) + Math.pow(lengthY, 2)),
angle: Math.atan2(lengthY, lengthX)
};
};
let controlPoint = (current, previous, next, reverse) => {
let p = previous || current;
let n = next || current;
let o = line(p, n);
let angle = o.angle + (reverse ? Math.PI : 0);
let length = o.length * smoothing;
let x = current[0] + Math.cos(angle) * length;
let y = current[1] + Math.sin(angle) * length;
return [x, y];
};
let bezierCommand = (point, i, a) => {
let cps = controlPoint(a[i - 1], a[i - 2], point);
let cpe = controlPoint(point, a[i - 1], a[i + 1], true);
return `C ${cps[0]},${cps[1]} ${cpe[0]},${cpe[1]} ${point[0]},${point[1]}`;
};
let pointStr = (points, command) => {
return points.reduce((acc, point, i, a) => i === 0
? `${point[0]},${point[1]}`
: `${acc} ${command(point, i, a)}`, '');
};
return pointStr(points, bezierCommand);
}
const PRESET_COLOR_MAP = {
'light-blue': '#7cd6fd',
'blue': '#5e64ff',
'violet': '#743ee2',
'red': '#ff5858',
'orange': '#ffa00a',
'yellow': '#feef72',
'green': '#28a745',
'light-green': '#98d85b',
'purple': '#b554ff',
'magenta': '#ffa3ef',
'black': '#36114C',
'grey': '#bdd3e6',
'light-grey': '#f0f4f7',
'dark-grey': '#b8c2cc'
};
function limitColor(r){
if (r > 255) return 255;
else if (r < 0) return 0;
return r;
}
function lightenDarkenColor(color, amt) {
let col = getColor(color);
let usePound = false;
if (col[0] == "#") {
col = col.slice(1);
usePound = true;
}
let num = parseInt(col,16);
let r = limitColor((num >> 16) + amt);
let b = limitColor(((num >> 8) & 0x00FF) + amt);
let g = limitColor((num & 0x0000FF) + amt);
return (usePound?"#":"") + (g | (b << 8) | (r << 16)).toString(16);
}
function isValidColor(string) {
// https://stackoverflow.com/a/32685393
let HEX_RE = /(^\s*)(#)((?:[A-Fa-f0-9]{3}){1,2})$/i;
let RGB_RE = /(^\s*)(rgb|hsl)(a?)[(]\s*([\d.]+\s*%?)\s*,\s*([\d.]+\s*%?)\s*,\s*([\d.]+\s*%?)\s*(?:,\s*([\d.]+)\s*)?[)]$/i;
return HEX_RE.test(string) || RGB_RE.test(string);
}
const getColor = (color) => {
// When RGB color, convert to hexadecimal (alpha value is omitted)
if((/rgb[a]{0,1}\([\d, ]+\)/gim).test(color)) {
return (/\D+(\d*)\D+(\d*)\D+(\d*)/gim).exec(color)
.map((x, i) => (i !== 0 ? Number(x).toString(16) : '#'))
.reduce((c, ch) => `${c}${ch}`);
}
return PRESET_COLOR_MAP[color] || color;
};
const AXIS_TICK_LENGTH = 6;
const LABEL_MARGIN = 4;
const LABEL_MAX_CHARS = 15;
const FONT_SIZE = 10;
const BASE_LINE_COLOR = '#dadada';
const FONT_FILL = '#555b51';
function $$1(expr, con) {
return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
}
function createSVG(tag, o) {
var element = document.createElementNS("http://www.w3.org/2000/svg", tag);
for (var i in o) {
var val = o[i];
if (i === "inside") {
$$1(val).appendChild(element);
}
else if (i === "around") {
var ref = $$1(val);
ref.parentNode.insertBefore(element, ref);
element.appendChild(ref);
} else if (i === "styles") {
if(typeof val === "object") {
Object.keys(val).map(prop => {
element.style[prop] = val[prop];
});
}
} else {
if(i === "className") { i = "class"; }
if(i === "innerHTML") {
element['textContent'] = val;
} else {
element.setAttribute(i, val);
}
}
}
return element;
}
function renderVerticalGradient(svgDefElem, gradientId) {
return createSVG('linearGradient', {
inside: svgDefElem,
id: gradientId,
x1: 0,
x2: 0,
y1: 0,
y2: 1
});
}
function setGradientStop(gradElem, offset, color, opacity) {
return createSVG('stop', {
'inside': gradElem,
'style': `stop-color: ${color}`,
'offset': offset,
'stop-opacity': opacity
});
}
function makeSVGContainer(parent, className, width, height) {
return createSVG('svg', {
className: className,
inside: parent,
width: width,
height: height
});
}
function makeSVGDefs(svgContainer) {
return createSVG('defs', {
inside: svgContainer,
});
}
function makeSVGGroup(className, transform='', parent=undefined) {
let args = {
className: className,
transform: transform
};
if(parent) args.inside = parent;
return createSVG('g', args);
}
function makePath(pathStr, className='', stroke='none', fill='none', strokeWidth=2) {
return createSVG('path', {
className: className,
d: pathStr,
styles: {
stroke: stroke,
fill: fill,
'stroke-width': strokeWidth
}
});
}
function makeArcPathStr(startPosition, endPosition, center, radius, clockWise=1, largeArc=0){
let [arcStartX, arcStartY] = [center.x + startPosition.x, center.y + startPosition.y];
let [arcEndX, arcEndY] = [center.x + endPosition.x, center.y + endPosition.y];
return `M${center.x} ${center.y}
L${arcStartX} ${arcStartY}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${arcEndY} z`;
}
function makeCircleStr(startPosition, endPosition, center, radius, clockWise=1, largeArc=0){
let [arcStartX, arcStartY] = [center.x + startPosition.x, center.y + startPosition.y];
let [arcEndX, midArc, arcEndY] = [center.x + endPosition.x, center.y * 2, center.y + endPosition.y];
return `M${center.x} ${center.y}
L${arcStartX} ${arcStartY}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${midArc} z
L${arcStartX} ${midArc}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${arcEndY} z`;
}
function makeArcStrokePathStr(startPosition, endPosition, center, radius, clockWise=1, largeArc=0){
let [arcStartX, arcStartY] = [center.x + startPosition.x, center.y + startPosition.y];
let [arcEndX, arcEndY] = [center.x + endPosition.x, center.y + endPosition.y];
return `M${arcStartX} ${arcStartY}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${arcEndY}`;
}
function makeStrokeCircleStr(startPosition, endPosition, center, radius, clockWise=1, largeArc=0){
let [arcStartX, arcStartY] = [center.x + startPosition.x, center.y + startPosition.y];
let [arcEndX, midArc, arcEndY] = [center.x + endPosition.x, radius * 2 + arcStartY, center.y + startPosition.y];
return `M${arcStartX} ${arcStartY}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${midArc}
M${arcStartX} ${midArc}
A ${radius} ${radius} 0 ${largeArc} ${clockWise ? 1 : 0}
${arcEndX} ${arcEndY}`;
}
function makeGradient(svgDefElem, color, lighter = false) {
let gradientId ='path-fill-gradient' + '-' + color + '-' +(lighter ? 'lighter' : 'default');
let gradientDef = renderVerticalGradient(svgDefElem, gradientId);
let opacities = [1, 0.6, 0.2];
if(lighter) {
opacities = [0.4, 0.2, 0];
}
setGradientStop(gradientDef, "0%", color, opacities[0]);
setGradientStop(gradientDef, "50%", color, opacities[1]);
setGradientStop(gradientDef, "100%", color, opacities[2]);
return gradientId;
}
function percentageBar(x, y, width, height,
depth=PERCENTAGE_BAR_DEFAULT_DEPTH, fill='none') {
let args = {
className: 'percentage-bar',
x: x,
y: y,
width: width,
height: height,
fill: fill,
styles: {
'stroke': lightenDarkenColor(fill, -25),
// Diabolically good: https://stackoverflow.com/a/9000859
// https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/stroke-dasharray
'stroke-dasharray': `0, ${height + width}, ${width}, ${height}`,
'stroke-width': depth
},
};
return createSVG("rect", args);
}
function heatSquare(className, x, y, size, radius, fill='none', data={}) {
let args = {
className: className,
x: x,
y: y,
width: size,
height: size,
rx: radius,
fill: fill
};
Object.keys(data).map(key => {
args[key] = data[key];
});
return createSVG("rect", args);
}
function legendBar(x, y, size, fill='none', label, truncate=false) {
label = truncate ? truncateString(label, LABEL_MAX_CHARS) : label;
let args = {
className: 'legend-bar',
x: 0,
y: 0,
width: size,
height: '2px',
fill: fill
};
let text = createSVG('text', {
className: 'legend-dataset-text',
x: 0,
y: 0,
dy: (FONT_SIZE * 2) + 'px',
'font-size': (FONT_SIZE * 1.2) + 'px',
'text-anchor': 'start',
fill: FONT_FILL,
innerHTML: label
});
let group = createSVG('g', {
transform: `translate(${x}, ${y})`
});
group.appendChild(createSVG("rect", args));
group.appendChild(text);
return group;
}
function legendDot(x, y, size, fill='none', label, truncate=false) {
label = truncate ? truncateString(label, LABEL_MAX_CHARS) : label;
let args = {
className: 'legend-dot',
cx: 0,
cy: 0,
r: size,
fill: fill
};
let text = createSVG('text', {
className: 'legend-dataset-text',
x: 0,
y: 0,
dx: (FONT_SIZE) + 'px',
dy: (FONT_SIZE/3) + 'px',
'font-size': (FONT_SIZE * 1.2) + 'px',
'text-anchor': 'start',
fill: FONT_FILL,
innerHTML: label
});
let group = createSVG('g', {
transform: `translate(${x}, ${y})`
});
group.appendChild(createSVG("circle", args));
group.appendChild(text);
return group;
}
function makeText(className, x, y, content, options = {}) {
let fontSize = options.fontSize || FONT_SIZE;
let dy = options.dy !== undefined ? options.dy : (fontSize / 2);
let fill = options.fill || FONT_FILL;
let textAnchor = options.textAnchor || 'start';
return createSVG('text', {
className: className,
x: x,
y: y,
dy: dy + 'px',
'font-size': fontSize + 'px',
fill: fill,
'text-anchor': textAnchor,
innerHTML: content
});
}
function makeVertLine(x, label, y1, y2, options={}) {
if(!options.stroke) options.stroke = BASE_LINE_COLOR;
let l = createSVG('line', {
className: 'line-vertical ' + options.className,
x1: 0,
x2: 0,
y1: y1,
y2: y2,
styles: {
stroke: options.stroke
}
});
let text = createSVG('text', {
x: 0,
y: y1 > y2 ? y1 + LABEL_MARGIN : y1 - LABEL_MARGIN - FONT_SIZE,
dy: FONT_SIZE + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': 'middle',
innerHTML: label + ""
});
let line = createSVG('g', {
transform: `translate(${ x }, 0)`
});
line.appendChild(l);
line.appendChild(text);
return line;
}
function makeHoriLine(y, label, x1, x2, options={}) {
if(!options.stroke) options.stroke = BASE_LINE_COLOR;
if(!options.lineType) options.lineType = '';
if (options.shortenNumbers) label = shortenLargeNumber(label);
let className = 'line-horizontal ' + options.className +
(options.lineType === "dashed" ? "dashed": "");
let l = createSVG('line', {
className: className,
x1: x1,
x2: x2,
y1: 0,
y2: 0,
styles: {
stroke: options.stroke
}
});
let text = createSVG('text', {
x: x1 < x2 ? x1 - LABEL_MARGIN : x1 + LABEL_MARGIN,
y: 0,
dy: (FONT_SIZE / 2 - 2) + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': x1 < x2 ? 'end' : 'start',
innerHTML: label+""
});
let line = createSVG('g', {
transform: `translate(0, ${y})`,
'stroke-opacity': 1
});
if(text === 0 || text === '0') {
line.style.stroke = "rgba(27, 31, 35, 0.6)";
}
line.appendChild(l);
line.appendChild(text);
return line;
}
function yLine(y, label, width, options={}) {
if (!isValidNumber(y)) y = 0;
if(!options.pos) options.pos = 'left';
if(!options.offset) options.offset = 0;
if(!options.mode) options.mode = 'span';
if(!options.stroke) options.stroke = BASE_LINE_COLOR;
if(!options.className) options.className = '';
let x1 = -1 * AXIS_TICK_LENGTH;
let x2 = options.mode === 'span' ? width + AXIS_TICK_LENGTH : 0;
if(options.mode === 'tick' && options.pos === 'right') {
x1 = width + AXIS_TICK_LENGTH;
x2 = width;
}
// let offset = options.pos === 'left' ? -1 * options.offset : options.offset;
x1 += options.offset;
x2 += options.offset;
return makeHoriLine(y, label, x1, x2, {
stroke: options.stroke,
className: options.className,
lineType: options.lineType,
shortenNumbers: options.shortenNumbers
});
}
function xLine(x, label, height, options={}) {
if (!isValidNumber(x)) x = 0;
if(!options.pos) options.pos = 'bottom';
if(!options.offset) options.offset = 0;
if(!options.mode) options.mode = 'span';
if(!options.stroke) options.stroke = BASE_LINE_COLOR;
if(!options.className) options.className = '';
// Draw X axis line in span/tick mode with optional label
// y2(span)
// |
// |
// x line |
// |
// |
// ---------------------+-- y2(tick)
// |
// y1
let y1 = height + AXIS_TICK_LENGTH;
let y2 = options.mode === 'span' ? -1 * AXIS_TICK_LENGTH : height;
if(options.mode === 'tick' && options.pos === 'top') {
// top axis ticks
y1 = -1 * AXIS_TICK_LENGTH;
y2 = 0;
}
return makeVertLine(x, label, y1, y2, {
stroke: options.stroke,
className: options.className,
lineType: options.lineType
});
}
function yMarker(y, label, width, options={}) {
if(!options.labelPos) options.labelPos = 'right';
let x = options.labelPos === 'left' ? LABEL_MARGIN
: width - getStringWidth(label, 5) - LABEL_MARGIN;
let labelSvg = createSVG('text', {
className: 'chart-label',
x: x,
y: 0,
dy: (FONT_SIZE / -2) + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': 'start',
innerHTML: label+""
});
let line = makeHoriLine(y, '', 0, width, {
stroke: options.stroke || BASE_LINE_COLOR,
className: options.className || '',
lineType: options.lineType
});
line.appendChild(labelSvg);
return line;
}
function yRegion(y1, y2, width, label, options={}) {
// return a group
let height = y1 - y2;
let rect = createSVG('rect', {
className: `bar mini`, // remove class
styles: {
fill: `rgba(228, 234, 239, 0.49)`,
stroke: BASE_LINE_COLOR,
'stroke-dasharray': `${width}, ${height}`
},
// 'data-point-index': index,
x: 0,
y: 0,
width: width,
height: height
});
if(!options.labelPos) options.labelPos = 'right';
let x = options.labelPos === 'left' ? LABEL_MARGIN
: width - getStringWidth(label+"", 4.5) - LABEL_MARGIN;
let labelSvg = createSVG('text', {
className: 'chart-label',
x: x,
y: 0,
dy: (FONT_SIZE / -2) + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': 'start',
innerHTML: label+""
});
let region = createSVG('g', {
transform: `translate(0, ${y2})`
});
region.appendChild(rect);
region.appendChild(labelSvg);
return region;
}
function datasetBar(x, yTop, width, color, label='', index=0, offset=0, meta={}) {
let [height, y] = getBarHeightAndYAttr(yTop, meta.zeroLine);
y -= offset;
if(height === 0) {
height = meta.minHeight;
y -= meta.minHeight;
}
// Preprocess numbers to avoid svg building errors
if (!isValidNumber(x)) x = 0;
if (!isValidNumber(y)) y = 0;
if (!isValidNumber(height, true)) height = 0;
if (!isValidNumber(width, true)) width = 0;
let rect = createSVG('rect', {
className: `bar mini`,
style: `fill: ${color}`,
'data-point-index': index,
x: x,
y: y,
width: width,
height: height
});
label += "";
if(!label && !label.length) {
return rect;
} else {
rect.setAttribute('y', 0);
rect.setAttribute('x', 0);
let text = createSVG('text', {
className: 'data-point-value',
x: width/2,
y: 0,
dy: (FONT_SIZE / 2 * -1) + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': 'middle',
innerHTML: label
});
let group = createSVG('g', {
'data-point-index': index,
transform: `translate(${x}, ${y})`
});
group.appendChild(rect);
group.appendChild(text);
return group;
}
}
function datasetDot(x, y, radius, color, label='', index=0) {
let dot = createSVG('circle', {
style: `fill: ${color}`,
'data-point-index': index,
cx: x,
cy: y,
r: radius
});
label += "";
if(!label && !label.length) {
return dot;
} else {
dot.setAttribute('cy', 0);
dot.setAttribute('cx', 0);
let text = createSVG('text', {
className: 'data-point-value',
x: 0,
y: 0,
dy: (FONT_SIZE / 2 * -1 - radius) + 'px',
'font-size': FONT_SIZE + 'px',
'text-anchor': 'middle',
innerHTML: label
});
let group = createSVG('g', {
'data-point-index': index,
transform: `translate(${x}, ${y})`
});
group.appendChild(dot);
group.appendChild(text);
return group;
}
}
function getPaths(xList, yList, color, options={}, meta={}) {
let pointsList = yList.map((y, i) => (xList[i] + ',' + y));
let pointsStr = pointsList.join("L");
// Spline
if (options.spline)
pointsStr = getSplineCurvePointsStr(xList, yList);
let path = makePath("M"+pointsStr, 'line-graph-path', color);
// HeatLine
if(options.heatline) {
let gradient_id = makeGradient(meta.svgDefs, color);
path.style.stroke = `url(#${gradient_id})`;
}
let paths = {
path: path
};
// Region
if(options.regionFill) {
let gradient_id_region = makeGradient(meta.svgDefs, color, true);
let pathStr = "M" + `${xList[0]},${meta.zeroLine}L` + pointsStr + `L${xList.slice(-1)[0]},${meta.zeroLine}`;
paths.region = makePath(pathStr, `region-fill`, 'none', `url(#${gradient_id_region})`);
}
return paths;
}
let makeOverlay = {
'bar': (unit) => {
let transformValue;
if(unit.nodeName !== 'rect') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let overlay = unit.cloneNode();
overlay.style.fill = '#000000';
overlay.style.opacity = '0.4';
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
return overlay;
},
'dot': (unit) => {
let transformValue;
if(unit.nodeName !== 'circle') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let overlay = unit.cloneNode();
let radius = unit.getAttribute('r');
let fill = unit.getAttribute('fill');
overlay.setAttribute('r', parseInt(radius) + DOT_OVERLAY_SIZE_INCR);
overlay.setAttribute('fill', fill);
overlay.style.opacity = '0.6';
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
return overlay;
},
'heat_square': (unit) => {
let transformValue;
if(unit.nodeName !== 'circle') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let overlay = unit.cloneNode();
let radius = unit.getAttribute('r');
let fill = unit.getAttribute('fill');
overlay.setAttribute('r', parseInt(radius) + DOT_OVERLAY_SIZE_INCR);
overlay.setAttribute('fill', fill);
overlay.style.opacity = '0.6';
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
return overlay;
}
};
let updateOverlay = {
'bar': (unit, overlay) => {
let transformValue;
if(unit.nodeName !== 'rect') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let attributes = ['x', 'y', 'width', 'height'];
Object.values(unit.attributes)
.filter(attr => attributes.includes(attr.name) && attr.specified)
.map(attr => {
overlay.setAttribute(attr.name, attr.nodeValue);
});
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
},
'dot': (unit, overlay) => {
let transformValue;
if(unit.nodeName !== 'circle') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let attributes = ['cx', 'cy'];
Object.values(unit.attributes)
.filter(attr => attributes.includes(attr.name) && attr.specified)
.map(attr => {
overlay.setAttribute(attr.name, attr.nodeValue);
});
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
},
'heat_square': (unit, overlay) => {
let transformValue;
if(unit.nodeName !== 'circle') {
transformValue = unit.getAttribute('transform');
unit = unit.childNodes[0];
}
let attributes = ['cx', 'cy'];
Object.values(unit.attributes)
.filter(attr => attributes.includes(attr.name) && attr.specified)
.map(attr => {
overlay.setAttribute(attr.name, attr.nodeValue);
});
if(transformValue) {
overlay.setAttribute('transform', transformValue);
}
},
};
const UNIT_ANIM_DUR = 350;
const PATH_ANIM_DUR = 350;
const MARKER_LINE_ANIM_DUR = UNIT_ANIM_DUR;
const REPLACE_ALL_NEW_DUR = 250;
const STD_EASING = 'easein';
function translate(unit, oldCoord, newCoord, duration) {
let old = typeof oldCoord === 'string' ? oldCoord : oldCoord.join(', ');
return [
unit,
{transform: newCoord.join(', ')},
duration,
STD_EASING,
"translate",
{transform: old}
];
}
function translateVertLine(xLine, newX, oldX) {
return translate(xLine, [oldX, 0], [newX, 0], MARKER_LINE_ANIM_DUR);
}
function translateHoriLine(yLine, newY, oldY) {
return translate(yLine, [0, oldY], [0, newY], MARKER_LINE_ANIM_DUR);
}
function animateRegion(rectGroup, newY1, newY2, oldY2) {
let newHeight = newY1 - newY2;
let rect = rectGroup.childNodes[0];
let width = rect.getAttribute("width");
let rectAnim = [
rect,
{ height: newHeight, 'stroke-dasharray': `${width}, ${newHeight}` },
MARKER_LINE_ANIM_DUR,
STD_EASING
];
let groupAnim = translate(rectGroup, [0, oldY2], [0, newY2], MARKER_LINE_ANIM_DUR);
return [rectAnim, groupAnim];
}
function animateBar(bar, x, yTop, width, offset=0, meta={}) {
let [height, y] = getBarHeightAndYAttr(yTop, meta.zeroLine);
y -= offset;
if(bar.nodeName !== 'rect') {
let rect = bar.childNodes[0];
let rectAnim = [
rect,
{width: width, height: height},
UNIT_ANIM_DUR,
STD_EASING
];
let oldCoordStr = bar.getAttribute("transform").split("(")[1].slice(0, -1);
let groupAnim = translate(bar, oldCoordStr, [x, y], MARKER_LINE_ANIM_DUR);
return [rectAnim, groupAnim];
} else {
return [[bar, {width: width, height: height, x: x, y: y}, UNIT_ANIM_DUR, STD_EASING]];
}
// bar.animate({height: args.newHeight, y: yTop}, UNIT_ANIM_DUR, mina.easein);
}
function animateDot(dot, x, y) {
if(dot.nodeName !== 'circle') {
let oldCoordStr = dot.getAttribute("transform").split("(")[1].slice(0, -1);
let groupAnim = translate(dot, oldCoordStr, [x, y], MARKER_LINE_ANIM_DUR);
return [groupAnim];
} else {
return [[dot, {cx: x, cy: y}, UNIT_ANIM_DUR, STD_EASING]];
}
// dot.animate({cy: yTop}, UNIT_ANIM_DUR, mina.easein);
}
function animatePath(paths, newXList, newYList, zeroLine, spline) {
let pathComponents = [];
let pointsStr = newYList.map((y, i) => (newXList[i] + ',' + y)).join("L");
if (spline)
pointsStr = getSplineCurvePointsStr(newXList, newYList);
const animPath = [paths.path, {d:"M" + pointsStr}, PATH_ANIM_DUR, STD_EASING];
pathComponents.push(animPath);
if(paths.region) {
let regStartPt = `${newXList[0]},${zeroLine}L`;
let regEndPt = `L${newXList.slice(-1)[0]}, ${zeroLine}`;
const animRegion = [
paths.region,
{d:"M" + regStartPt + pointsStr + regEndPt},
PATH_ANIM_DUR,
STD_EASING
];
pathComponents.push(animRegion);
}
return pathComponents;
}
function animatePathStr(oldPath, pathStr) {
return [oldPath, {d: pathStr}, UNIT_ANIM_DUR, STD_EASING];
}
// Leveraging SMIL Animations
const EASING = {
ease: "0.25 0.1 0.25 1",
linear: "0 0 1 1",
// easein: "0.42 0 1 1",
easein: "0.1 0.8 0.2 1",
easeout: "0 0 0.58 1",
easeinout: "0.42 0 0.58 1"
};
function animateSVGElement(element, props, dur, easingType="linear", type=undefined, oldValues={}) {
let animElement = element.cloneNode(true);
let newElement = element.cloneNode(true);
for(var attributeName in props) {
let animateElement;
if(attributeName === 'transform') {
animateElement = document.createElementNS("http://www.w3.org/2000/svg", "animateTransform");
} else {
animateElement = document.createElementNS("http://www.w3.org/2000/svg", "animate");
}
let currentValue = oldValues[attributeName] || element.getAttribute(attributeName);
let value = props[attributeName];
let animAttr = {
attributeName: attributeName,
from: currentValue,
to: value,
begin: "0s",
dur: dur/1000 + "s",
values: currentValue + ";" + value,
keySplines: EASING[easingType],
keyTimes: "0;1",
calcMode: "spline",
fill: 'freeze'
};
if(type) {
animAttr["type"] = type;
}
for (var i in animAttr) {
animateElement.setAttribute(i, animAttr[i]);
}
animElement.appendChild(animateElement);
if(type) {
newElement.setAttribute(attributeName, `translate(${value})`);
} else {
newElement.setAttribute(attributeName, value);
}
}
return [animElement, newElement];
}
function transform(element, style) { // eslint-disable-line no-unused-vars
element.style.transform = style;
element.style.webkitTransform = style;
element.style.msTransform = style;
element.style.mozTransform = style;
element.style.oTransform = style;
}
function animateSVG(svgContainer, elements) {
let newElements = [];
let animElements = [];
elements.map(element => {
let unit = element[0];
let parent = unit.parentNode;
let animElement, newElement;
element[0] = unit;
[animElement, newElement] = animateSVGElement(...element);
newElements.push(newElement);
animElements.push([animElement, parent]);
if (parent) {
parent.replaceChild(animElement, unit);
}
});
let animSvg = svgContainer.cloneNode(true);
animElements.map((animElement, i) => {
if (animElement[1]) {
animElement[1].replaceChild(newElements[i], animElement[0]);
elements[i][0] = newElements[i];
}
});
return animSvg;
}
function runSMILAnimation(parent, svgElement, elementsToAnimate) {
if(elementsToAnimate.length === 0) return;
let animSvgElement = animateSVG(svgElement, elementsToAnimate);
if(svgElement.parentNode == parent) {
parent.removeChild(svgElement);
parent.appendChild(animSvgElement);
}
// Replace the new svgElement (data has already been replaced)
setTimeout(() => {
if(animSvgElement.parentNode == parent) {
parent.removeChild(animSvgElement);
parent.appendChild(svgElement);
}
}, REPLACE_ALL_NEW_DUR);
}
const CSSTEXT = ".chart-container{position:relative;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Roboto','Oxygen','Ubuntu','Cantarell','Fira Sans','Droid Sans','Helvetica Neue',sans-serif}.chart-container .axis,.chart-container .chart-label{fill:#555b51}.chart-container .axis line,.chart-container .chart-label line{stroke:#dadada}.chart-container .dataset-units circle{stroke:#fff;stroke-width:2}.chart-container .dataset-units path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container .dataset-path{stroke-width:2px}.chart-container .path-group path{fill:none;stroke-opacity:1;stroke-width:2px}.chart-container line.dashed{stroke-dasharray:5,3}.chart-container .axis-line .specific-value{text-anchor:start}.chart-container .axis-line .y-line{text-anchor:end}.chart-container .axis-line .x-line{text-anchor:middle}.chart-container .legend-dataset-text{fill:#6c7680;font-weight:600}.graph-svg-tip{position:absolute;z-index:99999;padding:10px;font-size:12px;color:#959da5;text-align:center;background:rgba(0,0,0,.8);border-radius:3px}.graph-svg-tip ul{padding-left:0;display:flex}.graph-svg-tip ol{padding-left:0;display:flex}.graph-svg-tip ul.data-point-list li{min-width:90px;flex:1;font-weight:600}.graph-svg-tip strong{color:#dfe2e5;font-weight:600}.graph-svg-tip .svg-pointer{position:absolute;height:5px;margin:0 0 0 -5px;content:' ';border:5px solid transparent;border-top-color:rgba(0,0,0,.8)}.graph-svg-tip.comparison{padding:0;text-align:left;pointer-events:none}.graph-svg-tip.comparison .title{display:block;padding:10px;margin:0;font-weight:600;line-height:1;pointer-events:none}.graph-svg-tip.comparison ul{margin:0;white-space:nowrap;list-style:none}.graph-svg-tip.comparison li{display:inline-block;padding:5px 10px}";
function downloadFile(filename, data) {
var a = document.createElement('a');
a.style = "display: none";
var blob = new Blob(data, {type: "image/svg+xml; charset=utf-8"});
var url = window.URL.createObjectURL(blob);
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
setTimeout(function(){
document.body.removeChild(a);
window.URL.revokeObjectURL(url);
}, 300);
}
function prepareForExport(svg) {
let clone = svg.cloneNode(true);
clone.classList.add('chart-container');
clone.setAttribute('xmlns', "http://www.w3.org/2000/svg");
clone.setAttribute('xmlns:xlink', "http://www.w3.org/1999/xlink");
let styleEl = $.create('style', {
'innerHTML': CSSTEXT
});
clone.insertBefore(styleEl, clone.firstChild);
let container = $.create('div');
container.appendChild(clone);
return container.innerHTML;
}
class BaseChart {
constructor(parent, options) {
// deepclone options to avoid making changes to orignal object
options = deepClone(options);
this.parent = typeof parent === 'string'
? document.querySelector(parent)
: parent;
if (!(this.parent instanceof HTMLElement)) {
throw new Error('No `parent` element to render on was provided.');
}
this.rawChartArgs = options;
this.title = options.title || '';
this.type = options.type || '';
this.realData = this.prepareData(options.data);
this.data = this.prepareFirstData(this.realData);
this.colors = this.validateColors(options.colors, this.type);
this.config = {
showTooltip: 1, // calculate
showLegend: 1, // calculate
isNavigable: options.isNavigable || 0,
animate: (typeof options.animate !== 'undefined') ? options.animate : 1,
truncateLegends: options.truncateLegends || 1
};
this.measures = JSON.parse(JSON.stringify(BASE_MEASURES));
let m = this.measures;
this.setMeasures(options);
if(!this.title.length) { m.titleHeight = 0; }
if(!this.config.showLegend) m.legendHeight = 0;
this.argHeight = options.height || m.baseHeight;
this.state = {};
this.options = {};
this.initTimeout = INIT_CHART_UPDATE_TIMEOUT;
if(this.config.isNavigable) {
this.overlays = [];
}
this.configure(options);
}
prepareData(data) {
return data;
}
prepareFirstData(data) {
return data;
}
validateColors(colors, type) {
const validColors = [];
colors = (colors || []).concat(DEFAULT_COLORS[type]);
colors.forEach((string) => {
const color = getColor(string);
if(!isValidColor(color)) {
console.warn('"' + string + '" is not a valid color.');
} else {
validColors.push(color);
}
});
return validColors;
}
setMeasures() {
// Override measures, including those for title and legend
// set config for legend and title
}
configure() {
let height = this.argHeight;
this.baseHeight = height;
this.height = height - getExtraHeight(this.measures);
// Bind window events
this.boundDrawFn = () => this.draw(true);
if (ResizeObserver) {
this.resizeObserver = new ResizeObserver(this.boundDrawFn);
this.resizeObserver.observe(this.parent);
}
window.addEventListener('resize', this.boundDrawFn);
window.addEventListener('orientationchange', this.boundDrawFn);
}
destroy() {
if (this.resizeObserver) this.resizeObserver.disconnect();
window.removeEventListener('resize', this.boundDrawFn);
window.removeEventListener('orientationchange', this.boundDrawFn);
}
// Has to be called manually
setup() {
this.makeContainer();
this.updateWidth();
this.makeTooltip();
this.draw(false, true);
}
makeContainer() {
// Chart needs a dedicated parent element
this.parent.innerHTML = '';
let args = {
inside: this.parent,
className: 'chart-container'
};
if(this.independentWidth) {
args.styles = { width: this.independentWidth + 'px' };
}
this.container = $.create('div', args);
}
makeTooltip() {
this.tip = new SvgTip({
parent: this.container,
colors: this.colors
});
this.bindTooltip();
}
bindTooltip() {}
draw(onlyWidthChange=false, init=false) {
if (onlyWidthChange && isHidden(this.parent)) {
// Don't update anything if the chart is hidden
return;
}
this.updateWidth();
this.calc(onlyWidthChange);
this.makeChartArea();
this.setupComponents();
this.components.forEach(c => c.setup(this.drawArea));
// this.components.forEach(c => c.make());
this.render(this.components, false);
if(init) {
this.data = this.realData;
setTimeout(() => {this.update(this.data);}, this.initTimeout);
}
this.renderLegend();
this.setupNavigation(init);
}
calc() {} // builds state
updateWidth() {
this.baseWidth = getElementContentWidth(this.parent);
this.width = this.baseWidth - getExtraWidth(this.measures);
}
makeChartArea() {
if(this.svg) {
this.container.removeChild(this.svg);
}
let m = this.measures;
this.svg = makeSVGContainer(
this.container,
'frappe-chart chart',
this.baseWidth,
this.baseHeight
);
this.svgDefs = makeSVGDefs(this.svg);
if(this.title.length) {
this.titleEL = makeText(
'title',
m.margins.left,
m.margins.top,
this.title,
{
fontSize: m.titleFontSize,
fill: '#666666',
dy: m.titleFontSize
}
);
}
let top = getTopOffset(m);
this.drawArea = makeSVGGroup(
this.type + '-chart chart-draw-area',
`translate(${getLeftOffset(m)}, ${top})`
);
if(this.config.showLegend) {
top += this.height + m.paddings.bottom;
this.legendArea = makeSVGGroup(
'chart-legend',
`translate(${getLeftOffset(m)}, ${top})`
);
}
if(this.title.length) { this.svg.appendChild(this.titleEL); }
this.svg.appendChild(this.drawArea);
if(this.config.showLegend) { this.svg.appendChild(this.legendArea); }
this.updateTipOffset(getLeftOffset(m), getTopOffset(m));
}
updateTipOffset(x, y) {
this.tip.offset = {
x: x,
y: y
};
}
setupComponents() { this.components = new Map(); }
update(data) {
if(!data) {
console.error('No data to update.');
}
this.data = this.prepareData(data);
this.calc(); // builds state
this.render(this.components, this.config.animate);
this.renderLegend();
}
render(components=this.components, animate=true) {
if(this.config.isNavigable) {
// Remove all existing overlays
this.overlays.map(o => o.parentNode.removeChild(o));
// ref.parentNode.insertBefore(element, ref);
}
let elementsToAnimate = [];
// Can decouple to this.refreshComponents() first to save animation timeout
components.forEach(c => {
elementsToAnimate = elementsToAnimate.concat(c.update(animate));
});
if(elementsToAnimate.length > 0) {
runSMILAnimation(this.container, this.svg, elementsToAnimate);
setTimeout(() => {
components.forEach(c => c.make());
this.updateNav();
}, CHART_POST_ANIMATE_TIMEOUT);
} else {
components.forEach(c => c.make());
this.updateNav();
}
}
updateNav() {
if(this.config.isNavigable) {
this.makeOverlay();
this.bindUnits();
}
}
renderLegend() {}
setupNavigation(init=false) {
if(!this.config.isNavigable) return;
if(init) {
this.bindOverlay();
this.keyActions = {
'13': this.onEnterKey.bind(this),
'37': this.onLeftArrow.bind(this),
'38': this.onUpArrow.bind(this),
'39': this.onRightArrow.bind(this),
'40': this.onDownArrow.bind(this),
};
document.addEventListener('keydown', (e) => {
if(isElementInViewport(this.container)) {
e = e || window.event;
if(this.keyActions[e.keyCode]) {
this.keyActions[e.keyCode]();
}
}
});
}
}
makeOverlay() {}
updateOverlay() {}
bindOverlay() {}
bindUnits() {}
onLeftArrow() {}
onRightArrow() {}
onUpArrow() {}
onDownArrow() {}
onEnterKey() {}
addDataPoint() {}
removeDataPoint() {}
getDataPoint() {}
setCurrentDataPoint() {}
updateDataset() {}
export() {
let chartSvg = prepareForExport(this.svg);
downloadFile(this.title || 'Chart', [chartSvg]);
}
}
class AggregationChart extends BaseChart {
constructor(parent, args) {
super(parent, args);
}
configure(args) {
super.configure(args);
this.config.formatTooltipY = (args.tooltipOptions || {}).formatTooltipY;
this.config.maxSlices = args.maxSlices || 20;
this.config.maxLegendPoints = args.maxLegendPoints || 20;
}
calc() {
let s = this.state;
let maxSlices = this.config.maxSlices;
s.sliceTotals = [];
let allTotals = this.data.labels.map((label, i) => {
let total = 0;
this.data.datasets.map(e => {
total += e.values[i];
});
return [total, label];
}).filter(d => { return d[0] >= 0; }); // keep only positive results
let totals = allTotals;
if(allTotals.length > maxSlices) {
// Prune and keep a grey area for rest as per maxSlices
allTotals.sort((a, b) => { return b[0] - a[0]; });
totals = allTotals.slice(0, maxSlices-1);
let remaining = allTotals.slice(maxSlices-1);
let sumOfRemaining = 0;
remaining.map(d => {sumOfRemaining += d[0];});
totals.push([sumOfRemaining, 'Rest']);
this.colors[maxSlices-1] = 'grey';
}
s.labels = [];
totals.map(d => {
s.sliceTotals.push(round(d[0]));
s.labels.push(d[1]);
});
s.grandTotal = s.sliceTotals.reduce((a, b) => a + b, 0);
this.center = {
x: this.width / 2,
y: this.height / 2
};
}
renderLegend() {
let s = this.state;
this.legendArea.textContent = '';
this.legendTotals = s.sliceTotals.slice(0, this.config.maxLegendPoints);
let count = 0;
let y = 0;
this.legendTotals.map((d, i) => {
let barWidth = 150;
let divisor = Math.floor(
(this.width - getExtraWidth(this.measures))/barWidth
);
if (this.legendTotals.length < divisor) {
barWidth = this.width/this.legendTotals.length;
}
if(count > divisor) {
count = 0;
y += 20;
}
let x = barWidth * count + 5;
let label = this.config.truncateLegends ? truncateString(s.labels[i], barWidth/10) : s.labels[i];
let formatted = this.config.formatTooltipY ? this.config.formatTooltipY(d) : d;
let dot = legendDot(
x,
y,
5,
this.colors[i],
`${label}: ${formatted}`,
false
);
this.legendArea.appendChild(dot);
count++;
});
}
}
// Playing around with dates
const NO_OF_YEAR_MONTHS = 12;
const NO_OF_DAYS_IN_WEEK = 7;
const NO_OF_MILLIS = 1000;
const SEC_IN_DAY = 86400;
const MONTH_NAMES = ["January", "February", "March", "April", "May",
"June", "July", "August", "September", "October", "November", "December"];
const DAY_NAMES_SHORT = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
// https://stackoverflow.com/a/11252167/6495043
function treatAsUtc(date) {
let result = new Date(date);
result.setMinutes(result.getMinutes() - result.getTimezoneOffset());
return result;
}
function getYyyyMmDd(date) {
let dd = date.getDate();
let mm = date.getMonth() + 1; // getMonth() is zero-based
return [
date.getFullYear(),
(mm>9 ? '' : '0') + mm,
(dd>9 ? '' : '0') + dd
].join('-');
}
function clone(date) {
return new Date(date.getTime());
}
// export function getMonthsBetween(startDate, endDate) {}
function getWeeksBetween(startDate, endDate) {
let weekStartDate = setDayToSunday(startDate);
return Math.ceil(getDaysBetween(weekStartDate, endDate) / NO_OF_DAYS_IN_WEEK);
}
function getDaysBetween(startDate, endDate) {
let millisecondsPerDay = SEC_IN_DAY * NO_OF_MILLIS;
return (treatAsUtc(endDate) - treatAsUtc(startDate)) / millisecondsPerDay;
}
function areInSameMonth(startDate, endDate) {
return startDate.getMonth() === endDate.getMonth()
&& startDate.getFullYear() === endDate.getFullYear();
}
function getMonthName(i, short=false) {
let monthName = MONTH_NAMES[i];
return short ? monthName.slice(0, 3) : monthName;
}
function getLastDateInMonth (month, year) {
return new Date(year, month + 1, 0); // 0: last day in previous month
}
// mutates
function setDayToSunday(date) {
let newDate = clone(date);
const day = newDate.getDay();
if(day !== 0) {
addDays(newDate, (-1) * day);
}
return newDate;
}
// mutates
function addDays(date, numberOfDays) {
date.setDate(date.getDate() + numberOfDays);
}
class ChartComponent {
constructor({
layerClass = '',
layerTransform = '',
constants,
getData,
makeElements,
animateElements
}) {
this.layerTransform = layerTransform;
this.constants = constants;
this.makeElements = makeElements;
this.getData = getData;
this.animateElements = animateElements;
this.store = [];
this.labels = [];
this.layerClass = layerClass;
this.layerClass = typeof(this.layerClass) === 'function'
? this.layerClass() : this.layerClass;
this.refresh();
}
refresh(data) {
this.data = data || this.getData();
}
setup(parent) {
this.layer = makeSVGGroup(this.layerClass, this.layerTransform, parent);
}
make() {
this.render(this.data);
this.oldData = this.data;
}
render(data) {
this.store = this.makeElements(data);
this.layer.textContent = '';
this.store.forEach(element => {
this.layer.appendChild(element);
});
this.labels.forEach(element => {
this.layer.appendChild(element);
});
}
update(animate = true) {
this.refresh();
let animateElements = [];
if(animate) {
animateElements = this.animateElements(this.data) || [];
}
return animateElements;
}
}
let componentConfigs = {
donutSlices: {
layerClass: 'donut-slices',
makeElements(data) {
return data.sliceStrings.map((s, i) => {
let slice = makePath(s, 'donut-path', data.colors[i], 'none', data.strokeWidth);
slice.style.transition = 'transform .3s;';
return slice;
});
},
animateElements(newData) {
return this.store.map((slice, i) => animatePathStr(slice, newData.sliceStrings[i]));
},
},
pieSlices: {
layerClass: 'pie-slices',
makeElements(data) {
return data.sliceStrings.map((s, i) =>{
let slice = makePath(s, 'pie-path', 'none', data.colors[i]);
slice.style.transition = 'transform .3s;';
return slice;
});
},
animateElements(newData) {
return this.store.map((slice, i) =>
animatePathStr(slice, newData.sliceStrings[i])
);
}
},
percentageBars: {
layerClass: 'percentage-bars',
makeElements(data) {
return data.xPositions.map((x, i) =>{
let y = 0;
let bar = percentageBar(x, y, data.widths[i],
this.constants.barHeight, this.constants.barDepth, data.colors[i]);
return bar;
});
},
animateElements(newData) {
if(newData) return [];
}
},
yAxis: {
layerClass: 'y axis',
makeElements(data) {
return data.positions.map((position, i) =>
yLine(position, data.labels[i], this.constants.width,
{mode: this.constants.mode, pos: this.constants.pos, shortenNumbers: this.constants.shortenNumbers})
);
},
animateElements(newData) {
let newPos = newData.positions;
let newLabels = newData.labels;
let oldPos = this.oldData.positions;
let oldLabels = this.oldData.labels;
[oldPos, newPos] = equilizeNoOfElements(oldPos, newPos);
[oldLabels, newLabels] = equilizeNoOfElements(oldLabels, newLabels);
this.render({
positions: oldPos,
labels: newLabels
});
return this.store.map((line, i) => {
return translateHoriLine(
line, newPos[i], oldPos[i]
);
});
}
},
xAxis: {
layerClass: 'x axis',
makeElements(data) {
return data.positions.map((position, i) =>
xLine(position, data.calcLabels[i], this.constants.height,
{mode: this.constants.mode, pos: this.constants.pos})
);
},
animateElements(newData) {
let newPos = newData.positions;
let newLabels = newData.calcLabels;
let oldPos = this.oldData.positions;
let oldLabels = this.oldData.calcLabels;
[oldPos, newPos] = equilizeNoOfElements(oldPos, newPos);
[oldLabels, newLabels] = equilizeNoOfElements(oldLabels, newLabels);
this.render({
positions: oldPos,
calcLabels: newLabels
});
return this.store.map((line, i) => {
return translateVertLine(
line, newPos[i], oldPos[i]
);
});
}
},
yMarkers: {
layerClass: 'y-markers',
makeElements(data) {
return data.map(m =>
yMarker(m.position, m.label, this.constants.width,
{labelPos: m.options.labelPos, mode: 'span', lineType: 'dashed'})
);
},
animateElements(newData) {
[this.oldData, newData] = equilizeNoOfElements(this.oldData, newData);
let newPos = newData.map(d => d.position);
let newLabels = newData.map(d => d.label);
let newOptions = newData.map(d => d.options);
let oldPos = this.oldData.map(d => d.position);
this.render(oldPos.map((pos, i) => {
return {
position: oldPos[i],
label: newLabels[i],
options: newOptions[i]
};
}));
return this.store.map((line, i) => {
return translateHoriLine(
line, newPos[i], oldPos[i]
);
});
}
},
yRegions: {
layerClass: 'y-regions',
makeElements(data) {
return data.map(r =>
yRegion(r.startPos, r.endPos, this.constants.width,
r.label, {labelPos: r.options.labelPos})
);
},
animateElements(newData) {
[this.oldData, newData] = equilizeNoOfElements(this.oldData, newData);
let newPos = newData.map(d => d.endPos);
let newLabels = newData.map(d => d.label);
let newStarts = newData.map(d => d.startPos);
let newOptions = newData.map(d => d.options);
let oldPos = this.oldData.map(d => d.endPos);
let oldStarts = this.oldData.map(d => d.startPos);
this.render(oldPos.map((pos, i) => {
return {
startPos: oldStarts[i],
endPos: oldPos[i],
label: newLabels[i],
options: newOptions[i]
};
}));
let animateElements = [];
this.store.map((rectGroup, i) => {
animateElements = animateElements.concat(animateRegion(
rectGroup, newStarts[i], newPos[i], oldPos[i]
));
});
return animateElements;
}
},
heatDomain: {
layerClass: function() { return 'heat-domain domain-' + this.constants.index; },
makeElements(data) {
let {index, colWidth, rowHeight, squareSize, radius, xTranslate} = this.constants;
let monthNameHeight = -12;
let x = xTranslate, y = 0;
this.serializedSubDomains = [];
data.cols.map((week, weekNo) => {
if(weekNo === 1) {
this.labels.push(
makeText('domain-name', x, monthNameHeight, getMonthName(index, true).toUpperCase(),
{
fontSize: 9
}
)
);
}
week.map((day, i) => {
if(day.fill) {
let data = {
'data-date': day.yyyyMmDd,
'data-value': day.dataValue,
'data-day': i
};
let square = heatSquare('day', x, y, squareSize, radius, day.fill, data);
this.serializedSubDomains.push(square);
}
y += rowHeight;
});
y = 0;
x += colWidth;
});
return this.serializedSubDomains;
},
animateElements(newData) {
if(newData) return [];
}
},
barGraph: {
layerClass: function() { return 'dataset-units dataset-bars dataset-' + this.constants.index; },
makeElements(data) {
let c = this.constants;
this.unitType = 'bar';
this.units = data.yPositions.map((y, j) => {
return datasetBar(
data.xPositions[j],
y,
data.barWidth,
c.color,
data.labels[j],
j,
data.offsets[j],
{
zeroLine: data.zeroLine,
barsWidth: data.barsWidth,
minHeight: c.minHeight
}
);
});
return this.units;
},
animateElements(newData) {
let newXPos = newData.xPositions;
let newYPos = newData.yPositions;
let newOffsets = newData.offsets;
let newLabels = newData.labels;
let oldXPos = this.oldData.xPositions;
let oldYPos = this.oldData.yPositions;
let oldOffsets = this.oldData.offsets;
let oldLabels = this.oldData.labels;
[oldXPos, newXPos] = equilizeNoOfElements(oldXPos, newXPos);
[oldYPos, newYPos] = equilizeNoOfElements(oldYPos, newYPos);
[oldOffsets, newOffsets] = equilizeNoOfElements(oldOffsets, newOffsets);
[oldLabels, newLabels] = equilizeNoOfElements(oldLabels, newLabels);
this.render({
xPositions: oldXPos,
yPositions: oldYPos,
offsets: oldOffsets,
labels: newLabels,
zeroLine: this.oldData.zeroLine,
barsWidth: this.oldData.barsWidth,
barWidth: this.oldData.barWidth,
});
let animateElements = [];
this.store.map((bar, i) => {
animateElements = animateElements.concat(animateBar(
bar, newXPos[i], newYPos[i], newData.barWidth, newOffsets[i],
{zeroLine: newData.zeroLine}
));
});
return animateElements;
}
},
lineGraph: {
layerClass: function() { return 'dataset-units dataset-line dataset-' + this.constants.index; },
makeElements(data) {
let c = this.constants;
this.unitType = 'dot';
this.paths = {};
if(!c.hideLine) {
this.paths = getPaths(
data.xPositions,
data.yPositions,
c.color,
{
heatline: c.heatline,
regionFill: c.regionFill,
spline: c.spline
},
{
svgDefs: c.svgDefs,
zeroLine: data.zeroLine
}
);
}
this.units = [];
if(!c.hideDots) {
this.units = data.yPositions.map((y, j) => {
return datasetDot(
data.xPositions[j],
y,
data.radius,
c.color,
(c.valuesOverPoints ? data.values[j] : ''),
j
);
});
}
return Object.values(this.paths).concat(this.units);
},
animateElements(newData) {
let newXPos = newData.xPositions;
let newYPos = newData.yPositions;
let newValues = newData.values;
let oldXPos = this.oldData.xPositions;
let oldYPos = this.oldData.yPositions;
let oldValues = this.oldData.values;
[oldXPos, newXPos] = equilizeNoOfElements(oldXPos, newXPos);
[oldYPos, newYPos] = equilizeNoOfElements(oldYPos, newYPos);
[oldValues, newValues] = equilizeNoOfElements(oldValues, newValues);
this.render({
xPositions: oldXPos,
yPositions: oldYPos,
values: newValues,
zeroLine: this.oldData.zeroLine,
radius: this.oldData.radius,
});
let animateElements = [];
if(Object.keys(this.paths).length) {
animateElements = animateElements.concat(animatePath(
this.paths, newXPos, newYPos, newData.zeroLine, this.constants.spline));
}
if(this.units.length) {
this.units.map((dot, i) => {
animateElements = animateElements.concat(animateDot(
dot, newXPos[i], newYPos[i]));
});
}
return animateElements;
}
}
};
function getComponent(name, constants, getData) {
let keys = Object.keys(componentConfigs).filter(k => name.includes(k));
let config = componentConfigs[keys[0]];
Object.assign(config, {
constants: constants,
getData: getData
});
return new ChartComponent(config);
}
class PercentageChart extends AggregationChart {
constructor(parent, args) {
super(parent, args);
this.type = 'percentage';
this.setup();
}
setMeasures(options) {
let m = this.measures;
this.barOptions = options.barOptions || {};
let b = this.barOptions;
b.height = b.height || PERCENTAGE_BAR_DEFAULT_HEIGHT;
b.depth = b.depth || PERCENTAGE_BAR_DEFAULT_DEPTH;
m.paddings.right = 30;
m.legendHeight = 60;
m.baseHeight = (b.height + b.depth * 0.5) * 8;
}
setupComponents() {
let s = this.state;
let componentConfigs = [
[
'percentageBars',
{
barHeight: this.barOptions.height,
barDepth: this.barOptions.depth,
},
function() {
return {
xPositions: s.xPositions,
widths: s.widths,
colors: this.colors
};
}.bind(this)
]
];
this.components = new Map(componentConfigs
.map(args => {
let component = getComponent(...args);
return [args[0], component];
}));
}
calc() {
super.calc();
let s = this.state;
s.xPositions = [];
s.widths = [];
let xPos = 0;
s.sliceTotals.map((value) => {
let width = this.width * value / s.grandTotal;
s.widths.push(width);
s.xPositions.push(xPos);
xPos += width;
});
}
makeDataByIndex() { }
bindTooltip() {
let s = this.state;
this.container.addEventListener('mousemove', (e) => {
let bars = this.components.get('percentageBars').store;
let bar = e.target;
if(bars.includes(bar)) {
let i = bars.indexOf(bar);
let gOff = getOffset(this.container), pOff = getOffset(bar);
let x = pOff.left - gOff.left + parseInt(bar.getAttribute('width'))/2;
let y = pOff.top - gOff.top;
let title = (this.formattedLabels && this.formattedLabels.length>0
? this.formattedLabels[i] : this.state.labels[i]) + ': ';
let fraction = s.sliceTotals[i]/s.grandTotal;
this.tip.setValues(x, y, {name: title, value: (fraction*100).toFixed(1) + "%"});
this.tip.showTip();
}
});
}
}
class PieChart extends AggregationChart {
constructor(parent, args) {
super(parent, args);
this.type = 'pie';
this.initTimeout = 0;
this.init = 1;
this.setup();
}
configure(args) {
super.configure(args);
this.mouseMove = this.mouseMove.bind(this);
this.mouseLeave = this.mouseLeave.bind(this);
this.hoverRadio = args.hoverRadio || 0.1;
this.config.startAngle = args.startAngle || 0;
this.clockWise = args.clockWise || false;
}
calc() {
super.calc();
let s = this.state;
this.radius = (this.height > this.width ? this.center.x : this.center.y);
const { radius, clockWise } = this;
const prevSlicesProperties = s.slicesProperties || [];
s.sliceStrings = [];
s.slicesProperties = [];
let curAngle = 180 - this.config.startAngle;
s.sliceTotals.map((total, i) => {
const startAngle = curAngle;
const originDiffAngle = (total / s.grandTotal) * FULL_ANGLE;
const largeArc = originDiffAngle > 180 ? 1: 0;
const diffAngle = clockWise ? -originDiffAngle : originDiffAngle;
const endAngle = curAngle = curAngle + diffAngle;
const startPosition = getPositionByAngle(startAngle, radius);
const endPosition = getPositionByAngle(endAngle, radius);
const prevProperty = this.init && prevSlicesProperties[i];
let curStart,curEnd;
if(this.init) {
curStart = prevProperty ? prevProperty.startPosition : startPosition;
curEnd = prevProperty ? prevProperty.endPosition : startPosition;
} else {
curStart = startPosition;
curEnd = endPosition;
}
const curPath =
originDiffAngle === 360
? makeCircleStr(curStart, curEnd, this.center, this.radius, clockWise, largeArc)
: makeArcPathStr(curStart, curEnd, this.center, this.radius, clockWise, largeArc);
s.sliceStrings.push(curPath);
s.slicesProperties.push({
startPosition,
endPosition,
value: total,
total: s.grandTotal,
startAngle,
endAngle,
angle: diffAngle
});
});
this.init = 0;
}
setupComponents() {
let s = this.state;
let componentConfigs = [
[
'pieSlices',
{ },
function() {
return {
sliceStrings: s.sliceStrings,
colors: this.colors
};
}.bind(this)
]
];
this.components = new Map(componentConfigs
.map(args => {
let component = getComponent(...args);
return [args[0], component];
}));
}
calTranslateByAngle(property){
const{radius,hoverRadio} = this;
const position = getPositionByAngle(property.startAngle+(property.angle / 2),radius);
return `translate3d(${(position.x) * hoverRadio}px,${(position.y) * hoverRadio}px,0)`;
}
hoverSlice(path,i,flag,e){
if(!path) return;
const color = this.colors[i];
if(flag) {
transform(path, this.calTranslateByAngle(this.state.slicesProperties[i]));
path.style.fill = lightenDarkenColor(color, 50);
let g_off = getOffset(this.svg);
let x = e.pageX - g_off.left + 10;
let y = e.pageY - g_off.top - 10;
let title = (this.formatted_labels && this.formatted_labels.length > 0
? this.formatted_labels[i] : this.state.labels[i]) + ': ';
let percent = (this.state.sliceTotals[i] * 100 / this.state.grandTotal).toFixed(1);
this.tip.setValues(x, y, {name: title, value: percent + "%"});
this.tip.showTip();
} else {
transform(path,'translate3d(0,0,0)');
this.tip.hideTip();
path.style.fill = color;
}
}
bindTooltip() {
this.container.addEventListener('mousemove', this.mouseMove);
this.container.addEventListener('mouseleave', this.mouseLeave);
}
mouseMove(e){
const target = e.target;
let slices = this.components.get('pieSlices').store;
let prevIndex = this.curActiveSliceIndex;
let prevAcitve = this.curActiveSlice;
if(slices.includes(target)) {
let i = slices.indexOf(target);
this.hoverSlice(prevAcitve, prevIndex,false);
this.curActiveSlice = target;
this.curActiveSliceIndex = i;
this.hoverSlice(target, i, true, e);
} else {
this.mouseLeave();
}
}
mouseLeave(){
this.hoverSlice(this.curActiveSlice,this.curActiveSliceIndex,false);
}
}
function normalize(x) {
// Calculates mantissa and exponent of a number
// Returns normalized number and exponent
// https://stackoverflow.com/q/9383593/6495043
if(x===0) {
return [0, 0];
}
if(isNaN(x)) {
return {mantissa: -6755399441055744, exponent: 972};
}
var sig = x > 0 ? 1 : -1;
if(!isFinite(x)) {
return {mantissa: sig * 4503599627370496, exponent: 972};
}
x = Math.abs(x);
var exp = Math.floor(Math.log10(x));
var man = x/Math.pow(10, exp);
return [sig * man, exp];
}
function getChartRangeIntervals(max, min=0) {
let upperBound = Math.ceil(max);
let lowerBound = Math.floor(min);
let range = upperBound - lowerBound;
let noOfParts = range;
let partSize = 1;
// To avoid too many partitions
if(range > 5) {
if(range % 2 !== 0) {
upperBound++;
// Recalc range
range = upperBound - lowerBound;
}
noOfParts = range/2;
partSize = 2;
}
// Special case: 1 and 2
if(range <= 2) {
noOfParts = 4;
partSize = range/noOfParts;
}
// Special case: 0
if(range === 0) {
noOfParts = 5;
partSize = 1;
}
let intervals = [];
for(var i = 0; i <= noOfParts; i++){
intervals.push(lowerBound + partSize * i);
}
return intervals;
}
function getChartIntervals(maxValue, minValue=0) {
let [normalMaxValue, exponent] = normalize(maxValue);
let normalMinValue = minValue ? minValue/Math.pow(10, exponent): 0;
// Allow only 7 significant digits
normalMaxValue = normalMaxValue.toFixed(6);
let intervals = getChartRangeIntervals(normalMaxValue, normalMinValue);
intervals = intervals.map(value => value * Math.pow(10, exponent));
return intervals;
}
function calcChartIntervals(values, withMinimum=false) {
//*** Where the magic happens ***
// Calculates best-fit y intervals from given values
// and returns the interval array
let maxValue = Math.max(...values);
let minValue = Math.min(...values);
// Exponent to be used for pretty print
let exponent = 0, intervals = []; // eslint-disable-line no-unused-vars
function getPositiveFirstIntervals(maxValue, absMinValue) {
let intervals = getChartIntervals(maxValue);
let intervalSize = intervals[1] - intervals[0];
// Then unshift the negative values
let value = 0;
for(var i = 1; value < absMinValue; i++) {
value += intervalSize;
intervals.unshift((-1) * value);
}
return intervals;
}
// CASE I: Both non-negative
if(maxValue >= 0 && minValue >= 0) {
exponent = normalize(maxValue)[1];
if(!withMinimum) {
intervals = getChartIntervals(maxValue);
} else {
intervals = getChartIntervals(maxValue, minValue);
}
}
// CASE II: Only minValue negative
else if(maxValue > 0 && minValue < 0) {
// `withMinimum` irrelevant in this case,
// We'll be handling both sides of zero separately
// (both starting from zero)
// Because ceil() and floor() behave differently
// in those two regions
let absMinValue = Math.abs(minValue);
if(maxValue >= absMinValue) {
exponent = normalize(maxValue)[1];
intervals = getPositiveFirstIntervals(maxValue, absMinValue);
} else {
// Mirror: maxValue => absMinValue, then change sign
exponent = normalize(absMinValue)[1];
let posIntervals = getPositiveFirstIntervals(absMinValue, maxValue);
intervals = posIntervals.reverse().map(d => d * (-1));
}
}
// CASE III: Both non-positive
else if(maxValue <= 0 && minValue <= 0) {
// Mirrored Case I:
// Work with positives, then reverse the sign and array
let pseudoMaxValue = Math.abs(minValue);
let pseudoMinValue = Math.abs(maxValue);
exponent = normalize(pseudoMaxValue)[1];
if(!withMinimum) {
intervals = getChartIntervals(pseudoMaxValue);
} else {
intervals = getChartIntervals(pseudoMaxValue, pseudoMinValue);
}
intervals = intervals.reverse().map(d => d * (-1));
}
return intervals;
}
function getZeroIndex(yPts) {
let zeroIndex;
let interval = getIntervalSize(yPts);
if(yPts.indexOf(0) >= 0) {
// the range has a given zero
// zero-line on the chart
zeroIndex = yPts.indexOf(0);
} else if(yPts[0] > 0) {
// Minimum value is positive
// zero-line is off the chart: below
let min = yPts[0];
zeroIndex = (-1) * min / interval;
} else {
// Maximum value is negative
// zero-line is off the chart: above
let max = yPts[yPts.length - 1];
zeroIndex = (-1) * max / interval + (yPts.length - 1);
}
return zeroIndex;
}
function getIntervalSize(orderedArray) {
return orderedArray[1] - orderedArray[0];
}
function getValueRange(orderedArray) {
return orderedArray[orderedArray.length-1] - orderedArray[0];
}
function scale(val, yAxis) {
return floatTwo(yAxis.zeroLine - val * yAxis.scaleMultiplier);
}
function getClosestInArray(goal, arr, index = false) {
let closest = arr.reduce(function(prev, curr) {
return (Math.abs(curr - goal) < Math.abs(prev - goal) ? curr : prev);
}, []);
return index ? arr.indexOf(closest) : closest;
}
function calcDistribution(values, distributionSize) {
// Assume non-negative values,
// implying distribution minimum at zero
let dataMaxValue = Math.max(...values);
let distributionStep = 1 / (distributionSize - 1);
let distribution = [];
for(var i = 0; i < distributionSize; i++) {
let checkpoint = dataMaxValue * (distributionStep * i);
distribution.push(checkpoint);
}
return distribution;
}
function getMaxCheckpoint(value, distribution) {
return distribution.filter(d => d < value).length;
}
const COL_WIDTH = HEATMAP_SQUARE_SIZE + HEATMAP_GUTTER_SIZE;
const ROW_HEIGHT = COL_WIDTH;
// const DAY_INCR = 1;
class Heatmap extends BaseChart {
constructor(parent, options) {
super(parent, options);
this.type = 'heatmap';
this.countLabel = options.countLabel || '';
let validStarts = ['Sunday', 'Monday'];
let startSubDomain = validStarts.includes(options.startSubDomain)
? options.startSubDomain : 'Sunday';
this.startSubDomainIndex = validStarts.indexOf(startSubDomain);
this.setup();
}
setMeasures(options) {
let m = this.measures;
this.discreteDomains = options.discreteDomains === 0 ? 0 : 1;
m.paddings.top = ROW_HEIGHT * 3;
m.paddings.bottom = 0;
m.legendHeight = ROW_HEIGHT * 2;
m.baseHeight = ROW_HEIGHT * NO_OF_DAYS_IN_WEEK
+ getExtraHeight(m);
let d = this.data;
let spacing = this.discreteDomains ? NO_OF_YEAR_MONTHS : 0;
this.independentWidth = (getWeeksBetween(d.start, d.end)
+ spacing) * COL_WIDTH + getExtraWidth(m);
}
updateWidth() {
let spacing = this.discreteDomains ? NO_OF_YEAR_MONTHS : 0;
let noOfWeeks = this.state.noOfWeeks ? this.state.noOfWeeks : 52;
this.baseWidth = (noOfWeeks + spacing) * COL_WIDTH
+ getExtraWidth(this.measures);
}
prepareData(data=this.data) {
if(data.start && data.end && data.start > data.end) {
throw new Error('Start date cannot be greater than end date.');
}
if(!data.start) {
data.start = new Date();
data.start.setFullYear( data.start.getFullYear() - 1 );
}
if(!data.end) { data.end = new Date(); }
data.dataPoints = data.dataPoints || {};
if(parseInt(Object.keys(data.dataPoints)[0]) > 100000) {
let points = {};
Object.keys(data.dataPoints).forEach(timestampSec$$1 => {
let date = new Date(timestampSec$$1 * NO_OF_MILLIS);
points[getYyyyMmDd(date)] = data.dataPoints[timestampSec$$1];
});
data.dataPoints = points;
}
return data;
}
calc() {
let s = this.state;
s.start = clone(this.data.start);
s.end = clone(this.data.end);
s.firstWeekStart = clone(s.start);
s.noOfWeeks = getWeeksBetween(s.start, s.end);
s.distribution = calcDistribution(
Object.values(this.data.dataPoints), HEATMAP_DISTRIBUTION_SIZE);
s.domainConfigs = this.getDomains();
}
setupComponents() {
let s = this.state;
let lessCol = this.discreteDomains ? 0 : 1;
let componentConfigs = s.domainConfigs.map((config, i) => [
'heatDomain',
{
index: config.index,
colWidth: COL_WIDTH,
rowHeight: ROW_HEIGHT,
squareSize: HEATMAP_SQUARE_SIZE,
radius: this.rawChartArgs.radius || 0,
xTranslate: s.domainConfigs
.filter((config, j) => j < i)
.map(config => config.cols.length - lessCol)
.reduce((a, b) => a + b, 0)
* COL_WIDTH
},
function() {
return s.domainConfigs[i];
}.bind(this)
]);
this.components = new Map(componentConfigs
.map((args, i) => {
let component = getComponent(...args);
return [args[0] + '-' + i, component];
})
);
let y = 0;
DAY_NAMES_SHORT.forEach((dayName, i) => {
if([1, 3, 5].includes(i)) {
let dayText = makeText('subdomain-name', -COL_WIDTH/2, y, dayName,
{
fontSize: HEATMAP_SQUARE_SIZE,
dy: 8,
textAnchor: 'end'
}
);
this.drawArea.appendChild(dayText);
}
y += ROW_HEIGHT;
});
}
update(data) {
if(!data) {
console.error('No data to update.');
}
this.data = this.prepareData(data);
this.draw();
this.bindTooltip();
}
bindTooltip() {
this.container.addEventListener('mousemove', (e) => {
this.components.forEach(comp => {
let daySquares = comp.store;
let daySquare = e.target;
if(daySquares.includes(daySquare)) {
let count = daySquare.getAttribute('data-value');
let dateParts = daySquare.getAttribute('data-date').split('-');
let month = getMonthName(parseInt(dateParts[1])-1, true);
let gOff = this.container.getBoundingClientRect(), pOff = daySquare.getBoundingClientRect();
let width = parseInt(e.target.getAttribute('width'));
let x = pOff.left - gOff.left + width/2;
let y = pOff.top - gOff.top;
let value = count + ' ' + this.countLabel;
let name = ' on ' + month + ' ' + dateParts[0] + ', ' + dateParts[2];
this.tip.setValues(x, y, {name: name, value: value, valueFirst: 1}, []);
this.tip.showTip();
}
});
});
}
renderLegend() {
this.legendArea.textContent = '';
let x = 0;
let y = ROW_HEIGHT;
let radius = this.rawChartArgs.radius || 0;
let lessText = makeText('subdomain-name', x, y, 'Less',
{
fontSize: HEATMAP_SQUARE_SIZE + 1,
dy: 9
}
);
x = (COL_WIDTH * 2) + COL_WIDTH/2;
this.legendArea.appendChild(lessText);
this.colors.slice(0, HEATMAP_DISTRIBUTION_SIZE).map((color, i) => {
const square = heatSquare('heatmap-legend-unit', x + (COL_WIDTH + 3) * i,
y, HEATMAP_SQUARE_SIZE, radius, color);
this.legendArea.appendChild(square);
});
let moreTextX = x + HEATMAP_DISTRIBUTION_SIZE * (COL_WIDTH + 3) + COL_WIDTH/4;
let moreText = makeText('subdomain-name', moreTextX, y, 'More',
{
fontSize: HEATMAP_SQUARE_SIZE + 1,
dy: 9
}
);
this.legendArea.appendChild(moreText);
}
getDomains() {
let s = this.state;
const [startMonth, startYear] = [s.start.getMonth(), s.start.getFullYear()];
const [endMonth, endYear] = [s.end.getMonth(), s.end.getFullYear()];
const noOfMonths = (endMonth - startMonth + 1) + (endYear - startYear) * 12;
let domainConfigs = [];
let startOfMonth = clone(s.start);
for(var i = 0; i < noOfMonths; i++) {
let endDate = s.end;
if(!areInSameMonth(startOfMonth, s.end)) {
let [month, year] = [startOfMonth.getMonth(), startOfMonth.getFullYear()];
endDate = getLastDateInMonth(month, year);
}
domainConfigs.push(this.getDomainConfig(startOfMonth, endDate));
addDays(endDate, 1);
startOfMonth = endDate;
}
return domainConfigs;
}
getDomainConfig(startDate, endDate='') {
let [month, year] = [startDate.getMonth(), startDate.getFullYear()];
let startOfWeek = setDayToSunday(startDate); // TODO: Monday as well
endDate = clone(endDate) || getLastDateInMonth(month, year);
let domainConfig = {
index: month,
cols: []
};
addDays(endDate, 1);
let noOfMonthWeeks = getWeeksBetween(startOfWeek, endDate);
let cols = [], col;
for(var i = 0; i < noOfMonthWeeks; i++) {
col = this.getCol(startOfWeek, month);
cols.push(col);
startOfWeek = new Date(col[NO_OF_DAYS_IN_WEEK - 1].yyyyMmDd);
addDays(startOfWeek, 1);
}
if(col[NO_OF_DAYS_IN_WEEK - 1].dataValue !== undefined) {
addDays(startOfWeek, 1);
cols.push(this.getCol(startOfWeek, month, true));
}
domainConfig.cols = cols;
return domainConfig;
}
getCol(startDate, month, empty = false) {
let s = this.state;
// startDate is the start of week
let currentDate = clone(startDate);
let col = [];
for(var i = 0; i < NO_OF_DAYS_IN_WEEK; i++, addDays(currentDate, 1)) {
let config = {};
// Non-generic adjustment for entire heatmap, needs state
let currentDateWithinData = currentDate >= s.start && currentDate <= s.end;
if(empty || currentDate.getMonth() !== month || !currentDateWithinData) {
config.yyyyMmDd = getYyyyMmDd(currentDate);
} else {
config = this.getSubDomainConfig(currentDate);
}
col.push(config);
}
return col;
}
getSubDomainConfig(date) {
let yyyyMmDd = getYyyyMmDd(date);
let dataValue = this.data.dataPoints[yyyyMmDd];
let config = {
yyyyMmDd: yyyyMmDd,
dataValue: dataValue || 0,
fill: this.colors[getMaxCheckpoint(dataValue, this.state.distribution)]
};
return config;
}
}
function dataPrep(data, type) {
data.labels = data.labels || [];
let datasetLength = data.labels.length;
// Datasets
let datasets = data.datasets;
let zeroArray = new Array(datasetLength).fill(0);
if(!datasets) {
// default
datasets = [{
values: zeroArray
}];
}
datasets.map(d=> {
// Set values
if(!d.values) {
d.values = zeroArray;
} else {
// Check for non values
let vals = d.values;
vals = vals.map(val => (!isNaN(val) ? val : 0));
// Trim or extend
if(vals.length > datasetLength) {
vals = vals.slice(0, datasetLength);
} else {
vals = fillArray(vals, datasetLength - vals.length, 0);
}
d.values = vals;
}
// Set type
if(!d.chartType ) {
if(!AXIS_DATASET_CHART_TYPES.includes(type)) type === DEFAULT_AXIS_CHART_TYPE;
d.chartType = type;
}
});
// Markers
// Regions
// data.yRegions = data.yRegions || [];
if(data.yRegions) {
data.yRegions.map(d => {
if(d.end < d.start) {
[d.start, d.end] = [d.end, d.start];
}
});
}
return data;
}
function zeroDataPrep(realData) {
let datasetLength = realData.labels.length;
let zeroArray = new Array(datasetLength).fill(0);
let zeroData = {
labels: realData.labels.slice(0, -1),
datasets: realData.datasets.map(d => {
return {
name: '',
values: zeroArray.slice(0, -1),
chartType: d.chartType
};
}),
};
if(realData.yMarkers) {
zeroData.yMarkers = [
{
value: 0,
label: ''
}
];
}
if(realData.yRegions) {
zeroData.yRegions = [
{
start: 0,
end: 0,
label: ''
}
];
}
return zeroData;
}
function getShortenedLabels(chartWidth, labels=[], isSeries=true) {
let allowedSpace = chartWidth / labels.length;
if(allowedSpace <= 0) allowedSpace = 1;
let allowedLetters = allowedSpace / DEFAULT_CHAR_WIDTH;
let seriesMultiple;
if(isSeries) {
// Find the maximum label length for spacing calculations
let maxLabelLength = Math.max(...labels.map(label => label.length));
seriesMultiple = Math.ceil(maxLabelLength/allowedLetters);
}
let calcLabels = labels.map((label, i) => {
label += "";
if(label.length > allowedLetters) {
if(!isSeries) {
if(allowedLetters-3 > 0) {
label = label.slice(0, allowedLetters-3) + " ...";
} else {
label = label.slice(0, allowedLetters) + '..';
}
} else {
if(i % seriesMultiple !== 0) {
label = "";
}
}
}
return label;
});
return calcLabels;
}
class AxisChart extends BaseChart {
constructor(parent, args) {
super(parent, args);
this.barOptions = args.barOptions || {};
this.lineOptions = args.lineOptions || {};
this.type = args.type || 'line';
this.init = 1;
this.setup();
}
setMeasures() {
if(this.data.datasets.length <= 1) {
this.config.showLegend = 0;
this.measures.paddings.bottom = 30;
}
}
configure(options) {
super.configure(options);
options.axisOptions = options.axisOptions || {};
options.tooltipOptions = options.tooltipOptions || {};
this.config.xAxisMode = options.axisOptions.xAxisMode || 'span';
this.config.yAxisMode = options.axisOptions.yAxisMode || 'span';
this.config.xIsSeries = options.axisOptions.xIsSeries || 0;
this.config.shortenYAxisNumbers = options.axisOptions.shortenYAxisNumbers || 0;
this.config.formatTooltipX = options.tooltipOptions.formatTooltipX;
this.config.formatTooltipY = options.tooltipOptions.formatTooltipY;
this.config.valuesOverPoints = options.valuesOverPoints;
}
prepareData(data=this.data) {
return dataPrep(data, this.type);
}
prepareFirstData(data=this.data) {
return zeroDataPrep(data);
}
calc(onlyWidthChange = false) {
this.calcXPositions();
if(!onlyWidthChange) {
this.calcYAxisParameters(this.getAllYValues(), this.type === 'line');
}
this.makeDataByIndex();
}
calcXPositions() {
let s = this.state;
let labels = this.data.labels;
s.datasetLength = labels.length;
s.unitWidth = this.width/(s.datasetLength);
// Default, as per bar, and mixed. Only line will be a special case
s.xOffset = s.unitWidth/2;
// // For a pure Line Chart
// s.unitWidth = this.width/(s.datasetLength - 1);
// s.xOffset = 0;
s.xAxis = {
labels: labels,
positions: labels.map((d, i) =>
floatTwo(s.xOffset + i * s.unitWidth)
)
};
}
calcYAxisParameters(dataValues, withMinimum = 'false') {
const yPts = calcChartIntervals(dataValues, withMinimum);
const scaleMultiplier = this.height / getValueRange(yPts);
const intervalHeight = getIntervalSize(yPts) * scaleMultiplier;
const zeroLine = this.height - (getZeroIndex(yPts) * intervalHeight);
this.state.yAxis = {
labels: yPts,
positions: yPts.map(d => zeroLine - d * scaleMultiplier),
scaleMultiplier: scaleMultiplier,
zeroLine: zeroLine,
};
// Dependent if above changes
this.calcDatasetPoints();
this.calcYExtremes();
this.calcYRegions();
}
calcDatasetPoints() {
let s = this.state;
let scaleAll = values => values.map(val => scale(val, s.yAxis));
s.datasets = this.data.datasets.map((d, i) => {
let values = d.values;
let cumulativeYs = d.cumulativeYs || [];
return {
name: d.name && d.name.replace(/<|>|&/g, (char) => char == '&' ? '&amp;' : char == '<' ? '&lt;' : '&gt;'),
index: i,
chartType: d.chartType,
values: values,
yPositions: scaleAll(values),
cumulativeYs: cumulativeYs,
cumulativeYPos: scaleAll(cumulativeYs),
};
});
}
calcYExtremes() {
let s = this.state;
if(this.barOptions.stacked) {
s.yExtremes = s.datasets[s.datasets.length - 1].cumulativeYPos;
return;
}
s.yExtremes = new Array(s.datasetLength).fill(9999);
s.datasets.map(d => {
d.yPositions.map((pos, j) => {
if(pos < s.yExtremes[j]) {
s.yExtremes[j] = pos;
}
});
});
}
calcYRegions() {
let s = this.state;
if(this.data.yMarkers) {
this.state.yMarkers = this.data.yMarkers.map(d => {
d.position = scale(d.value, s.yAxis);
if(!d.options) d.options = {};
// if(!d.label.includes(':')) {
// d.label += ': ' + d.value;
// }
return d;
});
}
if(this.data.yRegions) {
this.state.yRegions = this.data.yRegions.map(d => {
d.startPos = scale(d.start, s.yAxis);
d.endPos = scale(d.end, s.yAxis);
if(!d.options) d.options = {};
return d;
});
}
}
getAllYValues() {
let key = 'values';
if(this.barOptions.stacked) {
key = 'cumulativeYs';
let cumulative = new Array(this.state.datasetLength).fill(0);
this.data.datasets.map((d, i) => {
let values = this.data.datasets[i].values;
d[key] = cumulative = cumulative.map((c, i) => c + values[i]);
});
}
let allValueLists = this.data.datasets.map(d => d[key]);
if(this.data.yMarkers) {
allValueLists.push(this.data.yMarkers.map(d => d.value));
}
if(this.data.yRegions) {
this.data.yRegions.map(d => {
allValueLists.push([d.end, d.start]);
});
}
return [].concat(...allValueLists);
}
setupComponents() {
let componentConfigs = [
[
'yAxis',
{
mode: this.config.yAxisMode,
width: this.width,
shortenNumbers: this.config.shortenYAxisNumbers
// pos: 'right'
},
function() {
return this.state.yAxis;
}.bind(this)
],
[
'xAxis',
{
mode: this.config.xAxisMode,
height: this.height,
// pos: 'right'
},
function() {
let s = this.state;
s.xAxis.calcLabels = getShortenedLabels(this.width,
s.xAxis.labels, this.config.xIsSeries);
return s.xAxis;
}.bind(this)
],
[
'yRegions',
{
width: this.width,
pos: 'right'
},
function() {
return this.state.yRegions;
}.bind(this)
],
];
let barDatasets = this.state.datasets.filter(d => d.chartType === 'bar');
let lineDatasets = this.state.datasets.filter(d => d.chartType === 'line');
let barsConfigs = barDatasets.map(d => {
let index = d.index;
return [
'barGraph' + '-' + d.index,
{
index: index,
color: this.colors[index],
stacked: this.barOptions.stacked,
// same for all datasets
valuesOverPoints: this.config.valuesOverPoints,
minHeight: this.height * MIN_BAR_PERCENT_HEIGHT,
},
function() {
let s = this.state;
let d = s.datasets[index];
let stacked = this.barOptions.stacked;
let spaceRatio = this.barOptions.spaceRatio || BAR_CHART_SPACE_RATIO;
let barsWidth = s.unitWidth * (1 - spaceRatio);
let barWidth = barsWidth/(stacked ? 1 : barDatasets.length);
let xPositions = s.xAxis.positions.map(x => x - barsWidth/2);
if(!stacked) {
xPositions = xPositions.map(p => p + barWidth * index);
}
let labels = new Array(s.datasetLength).fill('');
if(this.config.valuesOverPoints) {
if(stacked && d.index === s.datasets.length - 1) {
labels = d.cumulativeYs;
} else {
labels = d.values;
}
}
let offsets = new Array(s.datasetLength).fill(0);
if(stacked) {
offsets = d.yPositions.map((y, j) => y - d.cumulativeYPos[j]);
}
return {
xPositions: xPositions,
yPositions: d.yPositions,
offsets: offsets,
// values: d.values,
labels: labels,
zeroLine: s.yAxis.zeroLine,
barsWidth: barsWidth,
barWidth: barWidth,
};
}.bind(this)
];
});
let lineConfigs = lineDatasets.map(d => {
let index = d.index;
return [
'lineGraph' + '-' + d.index,
{
index: index,
color: this.colors[index],
svgDefs: this.svgDefs,
heatline: this.lineOptions.heatline,
regionFill: this.lineOptions.regionFill,
spline: this.lineOptions.spline,
hideDots: this.lineOptions.hideDots,
hideLine: this.lineOptions.hideLine,
// same for all datasets
valuesOverPoints: this.config.valuesOverPoints,
},
function() {
let s = this.state;
let d = s.datasets[index];
let minLine = s.yAxis.positions[0] < s.yAxis.zeroLine
? s.yAxis.positions[0] : s.yAxis.zeroLine;
return {
xPositions: s.xAxis.positions,
yPositions: d.yPositions,
values: d.values,
zeroLine: minLine,
radius: this.lineOptions.dotSize || LINE_CHART_DOT_SIZE,
};
}.bind(this)
];
});
let markerConfigs = [
[
'yMarkers',
{
width: this.width,
pos: 'right'
},
function() {
return this.state.yMarkers;
}.bind(this)
]
];
componentConfigs = componentConfigs.concat(barsConfigs, lineConfigs, markerConfigs);
let optionals = ['yMarkers', 'yRegions'];
this.dataUnitComponents = [];
this.components = new Map(componentConfigs
.filter(args => !optionals.includes(args[0]) || this.state[args[0]])
.map(args => {
let component = getComponent(...args);
if(args[0].includes('lineGraph') || args[0].includes('barGraph')) {
this.dataUnitComponents.push(component);
}
return [args[0], component];
}));
}
makeDataByIndex() {
this.dataByIndex = {};
let s = this.state;
let formatX = this.config.formatTooltipX;
let formatY = this.config.formatTooltipY;
let titles = s.xAxis.labels;
titles.map((label, index) => {
let values = this.state.datasets.map((set, i) => {
let value = set.values[index];
return {
title: set.name,
value: value,
yPos: set.yPositions[index],
color: this.colors[i],
formatted: formatY ? formatY(value) : value,
};
});
this.dataByIndex[index] = {
label: label,
formattedLabel: formatX ? formatX(label) : label,
xPos: s.xAxis.positions[index],
values: values,
yExtreme: s.yExtremes[index],
};
});
}
bindTooltip() {
// NOTE: could be in tooltip itself, as it is a given functionality for its parent
this.container.addEventListener('mousemove', (e) => {
let m = this.measures;
let o = getOffset(this.container);
let relX = e.pageX - o.left - getLeftOffset(m);
let relY = e.pageY - o.top;
if(relY < this.height + getTopOffset(m)
&& relY > getTopOffset(m)) {
this.mapTooltipXPosition(relX);
} else {
this.tip.hideTip();
}
});
}
mapTooltipXPosition(relX) {
let s = this.state;
if(!s.yExtremes) return;
let index = getClosestInArray(relX, s.xAxis.positions, true);
if (index >= 0) {
let dbi = this.dataByIndex[index];
this.tip.setValues(
dbi.xPos + this.tip.offset.x,
dbi.yExtreme + this.tip.offset.y,
{name: dbi.formattedLabel, value: ''},
dbi.values,
index
);
this.tip.showTip();
}
}
renderLegend() {
let s = this.data;
if(s.datasets.length > 1) {
this.legendArea.textContent = '';
s.datasets.map((d, i) => {
let barWidth = AXIS_LEGEND_BAR_SIZE;
// let rightEndPoint = this.baseWidth - this.measures.margins.left - this.measures.margins.right;
// let multiplier = s.datasets.length - i;
let rect = legendBar(
// rightEndPoint - multiplier * barWidth, // To right align
barWidth * i,
'0',
barWidth,
this.colors[i],
d.name,
this.config.truncateLegends);
this.legendArea.appendChild(rect);
});
}
}
// Overlay
makeOverlay() {
if(this.init) {
this.init = 0;
return;
}
if(this.overlayGuides) {
this.overlayGuides.forEach(g => {
let o = g.overlay;
o.parentNode.removeChild(o);
});
}
this.overlayGuides = this.dataUnitComponents.map(c => {
return {
type: c.unitType,
overlay: undefined,
units: c.units,
};
});
if(this.state.currentIndex === undefined) {
this.state.currentIndex = this.state.datasetLength - 1;
}
// Render overlays
this.overlayGuides.map(d => {
let currentUnit = d.units[this.state.currentIndex];
d.overlay = makeOverlay[d.type](currentUnit);
this.drawArea.appendChild(d.overlay);
});
}
updateOverlayGuides() {
if(this.overlayGuides) {
this.overlayGuides.forEach(g => {
let o = g.overlay;
o.parentNode.removeChild(o);
});
}
}
bindOverlay() {
this.parent.addEventListener('data-select', () => {
this.updateOverlay();
});
}
bindUnits() {
this.dataUnitComponents.map(c => {
c.units.map(unit => {
unit.addEventListener('click', () => {
let index = unit.getAttribute('data-point-index');
this.setCurrentDataPoint(index);
});
});
});
// Note: Doesn't work as tooltip is absolutely positioned
this.tip.container.addEventListener('click', () => {
let index = this.tip.container.getAttribute('data-point-index');
this.setCurrentDataPoint(index);
});
}
updateOverlay() {
this.overlayGuides.map(d => {
let currentUnit = d.units[this.state.currentIndex];
updateOverlay[d.type](currentUnit, d.overlay);
});
}
onLeftArrow() {
this.setCurrentDataPoint(this.state.currentIndex - 1);
}
onRightArrow() {
this.setCurrentDataPoint(this.state.currentIndex + 1);
}
getDataPoint(index=this.state.currentIndex) {
let s = this.state;
let data_point = {
index: index,
label: s.xAxis.labels[index],
values: s.datasets.map(d => d.values[index])
};
return data_point;
}
setCurrentDataPoint(index) {
let s = this.state;
index = parseInt(index);
if(index < 0) index = 0;
if(index >= s.xAxis.labels.length) index = s.xAxis.labels.length - 1;
if(index === s.currentIndex) return;
s.currentIndex = index;
fire(this.parent, "data-select", this.getDataPoint());
}
// API
addDataPoint(label, datasetValues, index=this.state.datasetLength) {
super.addDataPoint(label, datasetValues, index);
this.data.labels.splice(index, 0, label);
this.data.datasets.map((d, i) => {
d.values.splice(index, 0, datasetValues[i]);
});
this.update(this.data);
}
removeDataPoint(index = this.state.datasetLength-1) {
if (this.data.labels.length <= 1) {
return;
}
super.removeDataPoint(index);
this.data.labels.splice(index, 1);
this.data.datasets.map(d => {
d.values.splice(index, 1);
});
this.update(this.data);
}
updateDataset(datasetValues, index=0) {
this.data.datasets[index].values = datasetValues;
this.update(this.data);
}
// addDataset(dataset, index) {}
// removeDataset(index = 0) {}
updateDatasets(datasets) {
this.data.datasets.map((d, i) => {
if(datasets[i]) {
d.values = datasets[i];
}
});
this.update(this.data);
}
// updateDataPoint(dataPoint, index = 0) {}
// addDataPoint(dataPoint, index = 0) {}
// removeDataPoint(index = 0) {}
}
class DonutChart extends AggregationChart {
constructor(parent, args) {
super(parent, args);
this.type = 'donut';
this.initTimeout = 0;
this.init = 1;
this.setup();
}
configure(args) {
super.configure(args);
this.mouseMove = this.mouseMove.bind(this);
this.mouseLeave = this.mouseLeave.bind(this);
this.hoverRadio = args.hoverRadio || 0.1;
this.config.startAngle = args.startAngle || 0;
this.clockWise = args.clockWise || false;
this.strokeWidth = args.strokeWidth || 30;
}
calc() {
super.calc();
let s = this.state;
this.radius =
this.height > this.width
? this.center.x - this.strokeWidth / 2
: this.center.y - this.strokeWidth / 2;
const { radius, clockWise } = this;
const prevSlicesProperties = s.slicesProperties || [];
s.sliceStrings = [];
s.slicesProperties = [];
let curAngle = 180 - this.config.startAngle;
s.sliceTotals.map((total, i) => {
const startAngle = curAngle;
const originDiffAngle = (total / s.grandTotal) * FULL_ANGLE;
const largeArc = originDiffAngle > 180 ? 1: 0;
const diffAngle = clockWise ? -originDiffAngle : originDiffAngle;
const endAngle = curAngle = curAngle + diffAngle;
const startPosition = getPositionByAngle(startAngle, radius);
const endPosition = getPositionByAngle(endAngle, radius);
const prevProperty = this.init && prevSlicesProperties[i];
let curStart,curEnd;
if(this.init) {
curStart = prevProperty ? prevProperty.startPosition : startPosition;
curEnd = prevProperty ? prevProperty.endPosition : startPosition;
} else {
curStart = startPosition;
curEnd = endPosition;
}
const curPath =
originDiffAngle === 360
? makeStrokeCircleStr(curStart, curEnd, this.center, this.radius, this.clockWise, largeArc)
: makeArcStrokePathStr(curStart, curEnd, this.center, this.radius, this.clockWise, largeArc);
s.sliceStrings.push(curPath);
s.slicesProperties.push({
startPosition,
endPosition,
value: total,
total: s.grandTotal,
startAngle,
endAngle,
angle: diffAngle
});
});
this.init = 0;
}
setupComponents() {
let s = this.state;
let componentConfigs = [
[
'donutSlices',
{ },
function() {
return {
sliceStrings: s.sliceStrings,
colors: this.colors,
strokeWidth: this.strokeWidth,
};
}.bind(this)
]
];
this.components = new Map(componentConfigs
.map(args => {
let component = getComponent(...args);
return [args[0], component];
}));
}
calTranslateByAngle(property){
const{ radius, hoverRadio } = this;
const position = getPositionByAngle(property.startAngle+(property.angle / 2),radius);
return `translate3d(${(position.x) * hoverRadio}px,${(position.y) * hoverRadio}px,0)`;
}
hoverSlice(path,i,flag,e){
if(!path) return;
const color = this.colors[i];
if(flag) {
transform(path, this.calTranslateByAngle(this.state.slicesProperties[i]));
path.style.stroke = lightenDarkenColor(color, 50);
let g_off = getOffset(this.svg);
let x = e.pageX - g_off.left + 10;
let y = e.pageY - g_off.top - 10;
let title = (this.formatted_labels && this.formatted_labels.length > 0
? this.formatted_labels[i] : this.state.labels[i]) + ': ';
let percent = (this.state.sliceTotals[i] * 100 / this.state.grandTotal).toFixed(1);
this.tip.setValues(x, y, {name: title, value: percent + "%"});
this.tip.showTip();
} else {
transform(path,'translate3d(0,0,0)');
this.tip.hideTip();
path.style.stroke = color;
}
}
bindTooltip() {
this.container.addEventListener('mousemove', this.mouseMove);
this.container.addEventListener('mouseleave', this.mouseLeave);
}
mouseMove(e){
const target = e.target;
let slices = this.components.get('donutSlices').store;
let prevIndex = this.curActiveSliceIndex;
let prevAcitve = this.curActiveSlice;
if(slices.includes(target)) {
let i = slices.indexOf(target);
this.hoverSlice(prevAcitve, prevIndex,false);
this.curActiveSlice = target;
this.curActiveSliceIndex = i;
this.hoverSlice(target, i, true, e);
} else {
this.mouseLeave();
}
}
mouseLeave(){
this.hoverSlice(this.curActiveSlice,this.curActiveSliceIndex,false);
}
}
// import MultiAxisChart from './charts/MultiAxisChart';
const chartTypes = {
bar: AxisChart,
line: AxisChart,
// multiaxis: MultiAxisChart,
percentage: PercentageChart,
heatmap: Heatmap,
pie: PieChart,
donut: DonutChart,
};
function getChartByType(chartType = 'line', parent, options) {
if (chartType === 'axis-mixed') {
options.type = 'line';
return new AxisChart(parent, options);
}
if (!chartTypes[chartType]) {
console.error("Undefined chart type: " + chartType);
return;
}
return new chartTypes[chartType](parent, options);
}
class Chart {
constructor(parent, options) {
return getChartByType(options.type, parent, options);
}
}
export { Chart, PercentageChart, PieChart, Heatmap, AxisChart };