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justgage.js
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justgage.js
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/**
* JustGage - Animated gauges using RaphaelJS
* Check http://www.justgage.com for official releases
* Licensed under MIT.
* @author Bojan Djuricic (@Toorshia)
**/
(function (root, factory) {
if (typeof define === "function" && define.amd) {
define(["raphael"], function (raphael) { // AMD
return (root.JustGage = factory(raphael));
});
} else if (typeof module === "object" && module.exports) { // Nodejs
module.exports = (root.JustGage = factory(require("raphael")));
}
else { // browser
root.JustGage = factory(Raphael);
}
}(typeof window !== 'undefined' ? window : this, function (Raphael) {
var JustGage = function (config) {
var obj = this
obj.events = {}
// Helps in case developer wants to debug it. unobtrusive
if (isUndefined(config)) {
console.log('* justgage: Make sure to pass options to the constructor!');
return false;
}
if (!isUndefined(config.id)) {
obj.node = document.getElementById(config.id);
if (!obj.node) {
console.log('* justgage: No element with id : %s found', config.id);
return false;
}
} else if (!isUndefined(config.parentNode)) {
obj.node = config.parentNode;
} else {
console.log('* justgage: Make sure to pass the existing element id or parentNode to the constructor.');
return false;
}
var dataset = obj.node.dataset ? obj.node.dataset : {};
// check for defaults
var defaults = !isUndefined(config.defaults) ? config.defaults : false;
if (defaults !== false) {
config = extend({}, config, defaults);
delete config.defaults;
}
// configurable parameters
obj.config = {
// id : string
// this is container element id
id: config.id,
// value : float
// value gauge is showing
value: kvLookup('value', config, dataset, 0, 'float'),
// defaults : bool
// defaults parameter to use
defaults: kvLookup('defaults', config, dataset, 0, false),
// parentNode : node object
// this is container element
parentNode: kvLookup('parentNode', config, dataset, null),
// width : int
// gauge width
width: kvLookup('width', config, dataset, null),
// height : int
// gauge height
height: kvLookup('height', config, dataset, null),
// valueFontColor : string
// color of label showing current value
valueFontColor: kvLookup('valueFontColor', config, dataset, "#010101"),
// valueFontFamily : string
// color of label showing current value
valueFontFamily: kvLookup('valueFontFamily', config, dataset, "Arial"),
// symbol : string
// special symbol to show next to value
symbol: kvLookup('symbol', config, dataset, ''),
// min : float
// min value
min: kvLookup('min', config, dataset, 0, 'float'),
// minTxt : string
// min value text
minTxt: kvLookup('minTxt', config, dataset, false),
// max : float
// max value
max: kvLookup('max', config, dataset, 100, 'float'),
// maxTxt : string
// max value text
maxTxt: kvLookup('maxTxt', config, dataset, false),
// reverse : bool
// reverse min and max
reverse: kvLookup('reverse', config, dataset, false),
// humanFriendlyDecimal : int
// number of decimal places for our human friendly number to contain
humanFriendlyDecimal: kvLookup('humanFriendlyDecimal', config, dataset, 0),
// textRenderer: func
// function applied before rendering text
textRenderer: kvLookup('textRenderer', config, dataset, null),
// onAnimationEnd: func
// function applied after animation is done
onAnimationEnd: kvLookup('onAnimationEnd', config, dataset, null),
// gaugeWidthScale : float
// width of the gauge element
gaugeWidthScale: kvLookup('gaugeWidthScale', config, dataset, 1.0),
// gaugeColor : string
// background color of gauge element
gaugeColor: kvLookup('gaugeColor', config, dataset, "#edebeb"),
// label : string
// text to show below value
label: kvLookup('label', config, dataset, ''),
// labelFontColor : string
// color of label showing label under value
labelFontColor: kvLookup('labelFontColor', config, dataset, "#b3b3b3"),
// valueFontFamily : string
// font-family for label as well as min/max value
labelFontFamily: kvLookup('labelFontFamily', config, dataset, "Arial"),
// shadowOpacity : int
// 0 ~ 1
shadowOpacity: kvLookup('shadowOpacity', config, dataset, 0.2),
// shadowSize: int
// inner shadow size
shadowSize: kvLookup('shadowSize', config, dataset, 5),
// shadowVerticalOffset : int
// how much shadow is offset from top
shadowVerticalOffset: kvLookup('shadowVerticalOffset', config, dataset, 3),
// levelColors : string[]
// colors of indicator, from lower to upper, in RGB format
levelColors: kvLookup('levelColors', config, dataset, ["#a9d70b", "#f9c802", "#ff0000"], 'array', ','),
// startAnimationTime : int
// length of initial animation
startAnimationTime: kvLookup('startAnimationTime', config, dataset, 700),
// startAnimationType : string
// type of initial animation (linear, >, <, <>, bounce)
startAnimationType: kvLookup('startAnimationType', config, dataset, '>'),
// refreshAnimationTime : int
// length of refresh animation
refreshAnimationTime: kvLookup('refreshAnimationTime', config, dataset, 700),
// refreshAnimationType : string
// type of refresh animation (linear, >, <, <>, bounce)
refreshAnimationType: kvLookup('refreshAnimationType', config, dataset, '>'),
// donutStartAngle : int
// angle to start from when in donut mode
donutStartAngle: kvLookup('donutStartAngle', config, dataset, 90),
// valueMinFontSize : int
// absolute minimum font size for the value
valueMinFontSize: kvLookup('valueMinFontSize', config, dataset, 16),
// labelMinFontSize
// absolute minimum font size for the label
labelMinFontSize: kvLookup('labelMinFontSize', config, dataset, 10),
// minLabelMinFontSize
// absolute minimum font size for the minimum label
minLabelMinFontSize: kvLookup('minLabelMinFontSize', config, dataset, 10),
// maxLabelMinFontSize
// absolute minimum font size for the maximum label
maxLabelMinFontSize: kvLookup('maxLabelMinFontSize', config, dataset, 10),
// hideValue : bool
// hide value text
hideValue: kvLookup('hideValue', config, dataset, false),
// hideMinMax : bool
// hide min and max values
hideMinMax: kvLookup('hideMinMax', config, dataset, false),
// showInnerShadow : bool
// show inner shadow
showInnerShadow: kvLookup('showInnerShadow', config, dataset, false),
// humanFriendly : bool
// convert large numbers for min, max, value to human friendly (e.g. 1234567 -> 1.23M)
humanFriendly: kvLookup('humanFriendly', config, dataset, false),
// noGradient : bool
// whether to use gradual color change for value, or sector-based
noGradient: kvLookup('noGradient', config, dataset, false),
// donut : bool
// show full donut gauge
donut: kvLookup('donut', config, dataset, false),
// relativeGaugeSize : bool
// whether gauge size should follow changes in container element size
relativeGaugeSize: kvLookup('relativeGaugeSize', config, dataset, false),
// counter : bool
// animate level number change
counter: kvLookup('counter', config, dataset, false),
// decimals : int
// number of digits after floating point
decimals: kvLookup('decimals', config, dataset, 0),
// customSectors : object
// custom sectors colors. Expects an object with props
// percents : bool hi/lo are percents values
// ranges : array of objects : {hi, lo, color}
customSectors: kvLookup('customSectors', config, dataset, {}),
// formatNumber: boolean
// formats numbers with commas where appropriate
formatNumber: kvLookup('formatNumber', config, dataset, false),
// pointer : bool
// show value pointer
pointer: kvLookup('pointer', config, dataset, false),
// pointerOptions : object
// define pointer look
pointerOptions: kvLookup('pointerOptions', config, dataset, {}),
// displayRemaining: boolean
// replace display number with the number remaining to reach max
displayRemaining: kvLookup('displayRemaining', config, dataset, false)
};
// variables
var
canvasW,
canvasH,
widgetW,
widgetH,
aspect,
dx,
dy,
valueFontSize,
valueX,
valueY,
labelFontSize,
labelX,
labelY,
minFontSize,
minX,
minY,
maxFontSize,
maxX,
maxY;
// overflow values
if (obj.config.value > obj.config.max) obj.config.value = obj.config.max;
if (obj.config.value < obj.config.min) obj.config.value = obj.config.min;
obj.originalValue = kvLookup('value', config, dataset, -1, 'float');
// create canvas
if (obj.config.id !== null && (document.getElementById(obj.config.id)) !== null) {
obj.canvas = Raphael(obj.config.id, "100%", "100%");
} else if (obj.config.parentNode !== null) {
obj.canvas = Raphael(obj.config.parentNode, "100%", "100%");
}
// canvas dimensions
if (obj.config.relativeGaugeSize === true) {
if (obj.config.donut === true) {
obj.canvas.setViewBox(0, 0, 200, 200, true);
canvasW = 200;
canvasH = 200;
} else {
obj.canvas.setViewBox(0, 0, 200, 100, true);
canvasW = 200;
canvasH = 100;
}
} else if (obj.config.width !== null && obj.config.height !== null) {
canvasW = obj.config.width;
canvasH = obj.config.height;
} else if (obj.config.parentNode !== null) {
obj.canvas.setViewBox(0, 0, 200, 100, true);
canvasW = 200;
canvasH = 100;
} else {
canvasW = getStyle(document.getElementById(obj.config.id), "width").slice(0, -2) * 1;
canvasH = getStyle(document.getElementById(obj.config.id), "height").slice(0, -2) * 1;
}
// widget dimensions
if (obj.config.donut === true) {
if (canvasW > canvasH) { // landscape
widgetH = canvasH;
widgetW = widgetH;
// width less than height
} else if (canvasW < canvasH) { // portrait
widgetW = canvasW;
widgetH = widgetW;
} else { // square
widgetW = canvasW;
widgetH = widgetW;
}
// delta
dx = (canvasW - widgetW) / 2;
dy = (canvasH - widgetH) / 2;
// value
valueFontSize = ((widgetH / 6.4) > 16) ? (widgetH / 5.4) : 18;
valueX = dx + widgetW / 2;
if (obj.config.label !== '') {
valueY = dy + widgetH / 1.85;
} else {
valueY = dy + widgetH / 1.7;
}
// label
labelFontSize = ((widgetH / 16) > 10) ? (widgetH / 16) : 10;
labelX = dx + widgetW / 2;
labelY = valueY + labelFontSize;
// min
minFontSize = ((widgetH / 16) > 10) ? (widgetH / 16) : 10;
minX = dx + (widgetW / 10) + (widgetW / 6.666666666666667 * obj.config.gaugeWidthScale) / 2;
minY = labelY;
// max
maxFontSize = ((widgetH / 16) > 10) ? (widgetH / 16) : 10;
maxX = dx + widgetW - (widgetW / 10) - (widgetW / 6.666666666666667 * obj.config.gaugeWidthScale) / 2;
maxY = labelY;
} else {
if (canvasW > canvasH) { // landscape
widgetH = canvasH;
widgetW = widgetH * 2;
if (widgetW > canvasW) { //if width doesn't fit, rescale both
aspect = widgetW / canvasW;
widgetW = widgetW / aspect;
widgetH = widgetH / aspect;
}
} else if (canvasW < canvasH) { // portrait
widgetW = canvasW;
widgetH = widgetW / 2;
} else { // square
widgetW = canvasW;
widgetH = widgetW * 0.5;
}
// delta
dx = (canvasW - widgetW) / 2;
dy = (canvasH - widgetH) / 2;
// value
valueFontSize = ((widgetH / 6.5) > obj.config.valueMinFontSize) ? (widgetH / 6.5) : obj.config.valueMinFontSize;
valueX = dx + widgetW / 2;
valueY = dy + widgetH / 1.275;
// label
labelFontSize = ((widgetH / 16) > obj.config.labelMinFontSize) ? (widgetH / 16) : obj.config.labelMinFontSize;
labelX = dx + widgetW / 2;
labelY = valueY + valueFontSize / 2 + 5;
// min
minFontSize = ((widgetH / 16) > obj.config.minLabelMinFontSize) ? (widgetH / 16) : obj.config.minLabelMinFontSize;
minX = dx + (widgetW / 10) + (widgetW / 6.666666666666667 * obj.config.gaugeWidthScale) / 2;
minY = labelY;
// max
maxFontSize = ((widgetH / 16) > obj.config.maxLabelMinFontSize) ? (widgetH / 16) : obj.config.maxLabelMinFontSize;
maxX = dx + widgetW - (widgetW / 10) - (widgetW / 6.666666666666667 * obj.config.gaugeWidthScale) / 2;
maxY = labelY;
}
// parameters
obj.params = {
canvasW: canvasW,
canvasH: canvasH,
widgetW: widgetW,
widgetH: widgetH,
dx: dx,
dy: dy,
valueFontSize: valueFontSize,
valueX: valueX,
valueY: valueY,
labelFontSize: labelFontSize,
labelX: labelX,
labelY: labelY,
minFontSize: minFontSize,
minX: minX,
minY: minY,
maxFontSize: maxFontSize,
maxX: maxX,
maxY: maxY
};
// var clear
canvasW, canvasH, widgetW, widgetH, aspect, dx, dy, valueFontSize, valueX, valueY, labelFontSize, labelX, labelY, minFontSize, minX, minY, maxFontSize, maxX, maxY = null;
/**
* pki - custom attribute for generating gauge paths
*
* @param {Number} value display value
* @returns SVG path string for gauge level
*/
obj.canvas.customAttributes.pki = function (value) {
var min = obj.config.min;
var max = obj.config.max;
var w = obj.params.widgetW;
var h = obj.params.widgetH;
var dx = obj.params.dx;
var dy = obj.params.dy;
var gws = obj.config.gaugeWidthScale;
var donut = obj.config.donut;
var reverse = obj.config.reverse;
var alpha, Ro, Ri, Cx, Cy, Xo, Yo, Xi, Yi, path;
if (min < 0) {
max -= min;
value -= min;
min = 0;
}
if (donut) {
alpha = (1 - 2 * (value - min) / (max - min)) * Math.PI;
Ro = w / 2 - w / 30;
Ri = Ro - w / 6.666666666666667 * gws;
Cx = w / 2 + dx;
Cy = h / 2 + dy;
Xo = Cx + Ro * Math.cos(alpha);
Yo = Cy - Ro * Math.sin(alpha);
Xi = Cx + Ri * Math.cos(alpha);
Yi = Cy - Ri * Math.sin(alpha);
path = "M" + (Cx - Ri) + "," + Cy + " ";
path += "L" + (Cx - Ro) + "," + Cy + " ";
if (value - min > ((max - min) / 2)) {
path += "A" + Ro + "," + Ro + " 0 0 1 " + (Cx + Ro) + "," + Cy + " ";
}
path += "A" + Ro + "," + Ro + " 0 0 1 " + Xo + "," + Yo + " ";
path += "L" + Xi + "," + Yi + " ";
if (value - min > ((max - min) / 2)) {
path += "A" + Ri + "," + Ri + " 0 0 0 " + (Cx + Ri) + "," + Cy + " ";
}
path += "A" + Ri + "," + Ri + " 0 0 0 " + (Cx - Ri) + "," + Cy + " ";
path += "Z ";
return {
path: path
};
} else {
alpha = (1 - (value - min) / (max - min)) * Math.PI;
Ro = w / 2 - w / 10;
Ri = Ro - w / 6.666666666666667 * gws;
Cx = w / 2 + dx;
Cy = h / 1.25 + dy;
// Xo = w / 2 + dx + Ro * Math.cos(alpha);
// Yo = h - (h - Cy) - Ro * Math.sin(alpha);
// Xi = w / 2 + dx + Ri * Math.cos(alpha);
// Yi = h - (h - Cy) - Ri * Math.sin(alpha);
Xo = Cx + Ro * Math.cos(alpha);
Yo = Cy - Ro * Math.sin(alpha);
Xi = Cx + Ri * Math.cos(alpha);
Yi = Cy - Ri * Math.sin(alpha);
path = "M" + (Cx - Ri) + "," + Cy + " ";
path += "L" + (Cx - Ro) + "," + Cy + " ";
path += "A" + Ro + "," + Ro + " 0 0 1 " + Xo + "," + Yo + " ";
path += "L" + Xi + "," + Yi + " ";
path += "A" + Ri + "," + Ri + " 0 0 0 " + (Cx - Ri) + "," + Cy + " ";
path += "Z ";
return {
path: path
};
}
// var clear
alpha, Ro, Ri, Cx, Cy, Xo, Yo, Xi, Yi, path = null;
};
/**
* ndl - custom attribute for generating pointer path
*
* @param {Number} value display value
* @returns SVG path string for gauge pointer
*/
obj.canvas.customAttributes.ndl = function (value) {
var min = obj.config.min;
var max = obj.config.max;
var w = obj.params.widgetW;
var h = obj.params.widgetH;
var dx = obj.params.dx;
var dy = obj.params.dy;
var gws = obj.config.gaugeWidthScale;
var donut = obj.config.donut;
var dlt = w * 3.5 / 100;
var dlb = w / 15;
var dw = w / 100;
if (obj.config.pointerOptions.toplength != null && obj.config.pointerOptions.toplength != undefined) dlt = obj.config.pointerOptions.toplength;
if (obj.config.pointerOptions.bottomlength != null && obj.config.pointerOptions.bottomlength != undefined) dlb = obj.config.pointerOptions.bottomlength;
if (obj.config.pointerOptions.bottomwidth != null && obj.config.pointerOptions.bottomwidth != undefined) dw = obj.config.pointerOptions.bottomwidth;
var alpha, Ro, Ri, Cx, Cy, Xo, Yo, Xi, Yi, Xc, Yc, Xz, Yz, Xa, Ya, Xb, Yb, path;
if (donut) {
alpha = (1 - 2 * (value - min) / (max - min)) * Math.PI;
Ro = w / 2 - w / 30;
Ri = Ro - w / 6.666666666666667 * gws;
Cx = w / 2 + dx;
Cy = h / 2 + dy;
Xo = w / 2 + dx + Ro * Math.cos(alpha);
Yo = h - (h - Cy) - Ro * Math.sin(alpha);
Xi = w / 2 + dx + Ri * Math.cos(alpha);
Yi = h - (h - Cy) - Ri * Math.sin(alpha);
Xc = Xo + dlt * Math.cos(alpha);
Yc = Yo - dlt * Math.sin(alpha);
Xz = Xi - dlb * Math.cos(alpha);
Yz = Yi + dlb * Math.sin(alpha);
Xa = Xz + dw * Math.sin(alpha);
Ya = Yz + dw * Math.cos(alpha);
Xb = Xz - dw * Math.sin(alpha);
Yb = Yz - dw * Math.cos(alpha);
path = 'M' + Xa + ',' + Ya + ' ';
path += 'L' + Xb + ',' + Yb + ' ';
path += 'L' + Xc + ',' + Yc + ' ';
path += 'Z ';
return {
path: path
};
} else {
alpha = (1 - (value - min) / (max - min)) * Math.PI;
Ro = w / 2 - w / 10;
Ri = Ro - w / 6.666666666666667 * gws;
Cx = w / 2 + dx;
Cy = h / 1.25 + dy;
Xo = w / 2 + dx + Ro * Math.cos(alpha);
Yo = h - (h - Cy) - Ro * Math.sin(alpha);
Xi = w / 2 + dx + Ri * Math.cos(alpha);
Yi = h - (h - Cy) - Ri * Math.sin(alpha);
Xc = Xo + dlt * Math.cos(alpha);
Yc = Yo - dlt * Math.sin(alpha);
Xz = Xi - dlb * Math.cos(alpha);
Yz = Yi + dlb * Math.sin(alpha);
Xa = Xz + dw * Math.sin(alpha);
Ya = Yz + dw * Math.cos(alpha);
Xb = Xz - dw * Math.sin(alpha);
Yb = Yz - dw * Math.cos(alpha);
path = 'M' + Xa + ',' + Ya + ' ';
path += 'L' + Xb + ',' + Yb + ' ';
path += 'L' + Xc + ',' + Yc + ' ';
path += 'Z ';
return {
path: path
};
}
// var clear
alpha, Ro, Ri, Cx, Cy, Xo, Yo, Xi, Yi, Xc, Yc, Xz, Yz, Xa, Ya, Xb, Yb, path = null;
};
// gauge
obj.gauge = obj.canvas.path().attr({
"stroke": "none",
"fill": obj.config.gaugeColor,
pki: [obj.config.max]
});
// level
obj.level = obj.canvas.path().attr({
"stroke": "none",
"fill": getColor(obj.config.value, (obj.config.value - obj.config.min) / (obj.config.max - obj.config.min), obj.config.levelColors, obj.config.noGradient, obj.config.customSectors),
pki: [obj.config.min]
});
if (obj.config.donut) {
obj.level.transform("r" + obj.config.donutStartAngle + ", " + (obj.params.widgetW / 2 + obj.params.dx) + ", " + (obj.params.widgetH / 2 + obj.params.dy));
}
if (obj.config.pointer) {
// needle
obj.needle = obj.canvas.path().attr({
"stroke": !isUndefined(obj.config.pointerOptions.stroke) ? obj.config.pointerOptions.stroke : "none",
"stroke-width": !isUndefined(obj.config.pointerOptions.stroke_width) ? obj.config.pointerOptions.stroke_width : 0,
"stroke-linecap": !isUndefined(obj.config.pointerOptions.stroke_linecap) ? obj.config.pointerOptions.stroke_linecap : "square",
"fill": !isUndefined(obj.config.pointerOptions.color) ? obj.config.pointerOptions.color : "#000000",
ndl: [obj.config.min]
});
if (obj.config.donut) {
obj.needle.transform("r" + obj.config.donutStartAngle + ", " + (obj.params.widgetW / 2 + obj.params.dx) + ", " + (obj.params.widgetH / 2 + obj.params.dy));
}
}
// value
obj.txtValue = obj.canvas.text(obj.params.valueX, obj.params.valueY, 0);
obj.txtValue.attr({
"font-size": obj.params.valueFontSize,
"font-weight": "bold",
"font-family": obj.config.valueFontFamily,
"fill": obj.config.valueFontColor,
"fill-opacity": "0"
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
// label
obj.txtLabel = obj.canvas.text(obj.params.labelX, obj.params.labelY, obj.config.label);
obj.txtLabel.attr({
"font-size": obj.params.labelFontSize,
"font-weight": "normal",
"font-family": obj.config.labelFontFamily,
"fill": obj.config.labelFontColor,
"fill-opacity": "0"
});
setDy(obj.txtLabel, obj.params.labelFontSize, obj.params.labelY);
// min
var min = obj.config.min;
if (obj.config.reverse) {
min = obj.config.max;
}
obj.txtMinimum = min;
if (obj.config.minTxt) {
obj.txtMinimum = obj.config.minTxt;
} else if (obj.config.humanFriendly) {
obj.txtMinimum = humanFriendlyNumber(min, obj.config.humanFriendlyDecimal);
} else if (obj.config.formatNumber) {
obj.txtMinimum = formatNumber(min);
}
obj.txtMin = obj.canvas.text(obj.params.minX, obj.params.minY, obj.txtMinimum);
obj.txtMin.attr({
"font-size": obj.params.minFontSize,
"font-weight": "normal",
"font-family": obj.config.labelFontFamily,
"fill": obj.config.labelFontColor,
"fill-opacity": (obj.config.hideMinMax || obj.config.donut) ? "0" : "1"
});
setDy(obj.txtMin, obj.params.minFontSize, obj.params.minY);
// max
var max = obj.config.max;
if (obj.config.reverse) {
max = obj.config.min;
}
obj.txtMaximum = max;
if (obj.config.maxTxt) {
obj.txtMaximum = obj.config.maxTxt;
} else if (obj.config.humanFriendly) {
obj.txtMaximum = humanFriendlyNumber(max, obj.config.humanFriendlyDecimal);
} else if (obj.config.formatNumber) {
obj.txtMaximum = formatNumber(max);
}
obj.txtMax = obj.canvas.text(obj.params.maxX, obj.params.maxY, obj.txtMaximum);
obj.txtMax.attr({
"font-size": obj.params.maxFontSize,
"font-weight": "normal",
"font-family": obj.config.labelFontFamily,
"fill": obj.config.labelFontColor,
"fill-opacity": (obj.config.hideMinMax || obj.config.donut) ? "0" : "1"
});
setDy(obj.txtMax, obj.params.maxFontSize, obj.params.maxY);
var defs = obj.canvas.canvas.childNodes[1];
var svg = "http://www.w3.org/2000/svg";
if (ie !== 'undefined' && ie < 9) {
// VML mode - no SVG & SVG filter support
} else if (ie !== 'undefined') {
onCreateElementNsReady(function () {
obj.generateShadow(svg, defs);
});
} else {
obj.generateShadow(svg, defs);
}
// var clear
defs, svg = null;
// set value to display
if (obj.config.textRenderer) {
obj.originalValue = obj.config.textRenderer(obj.originalValue);
} else if (obj.config.humanFriendly) {
obj.originalValue = humanFriendlyNumber(obj.originalValue, obj.config.humanFriendlyDecimal) + obj.config.symbol;
} else if (obj.config.formatNumber) {
obj.originalValue = formatNumber(obj.originalValue) + obj.config.symbol;
} else if (obj.config.displayRemaining) {
obj.originalValue = ((obj.config.max - obj.originalValue) * 1).toFixed(obj.config.decimals) + obj.config.symbol;
} else {
obj.originalValue = (obj.originalValue * 1).toFixed(obj.config.decimals) + obj.config.symbol;
}
if (obj.config.counter === true) {
//on each animation frame
var onFrame = function () {
var currentValue = obj.level.attr("pki")[0];
if (obj.config.reverse) {
currentValue = (obj.config.max * 1) + (obj.config.min * 1) - (obj.level.attr("pki")[0] * 1);
}
if (obj.config.textRenderer) {
obj.txtValue.attr("text", obj.config.textRenderer(Math.floor(currentValue)));
} else if (obj.config.humanFriendly) {
obj.txtValue.attr("text", humanFriendlyNumber(Math.floor(currentValue), obj.config.humanFriendlyDecimal) + obj.config.symbol);
} else if (obj.config.formatNumber) {
obj.txtValue.attr("text", formatNumber(Math.floor(currentValue)) + obj.config.symbol);
} else if (obj.config.displayRemaining) {
obj.txtValue.attr("text", ((obj.config.max - currentValue) * 1).toFixed(obj.config.decimals) + obj.config.symbol);
} else {
obj.txtValue.attr("text", (currentValue * 1).toFixed(obj.config.decimals) + obj.config.symbol);
}
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
currentValue = null;
}
//on animation end
var onFinish = function () {
obj.txtValue.attr({
"text": obj.originalValue
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
};
this.bindEvent("raphael.anim.finish", onFinish)
this.bindEvent("raphael.anim.frame", onFrame)
} else {
//on animation start
var onStart = function () {
obj.txtValue.attr({
"text": obj.originalValue
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
};
this.bindEvent("raphael.anim.start", onStart)
}
// animate gauge level, value & label
var rvl = obj.config.value;
if (obj.config.reverse) {
rvl = (obj.config.max * 1) + (obj.config.min * 1) - (obj.config.value * 1);
}
obj.level.animate({
pki: [rvl]
}, obj.config.startAnimationTime, obj.config.startAnimationType, obj.config.onAnimationEnd);
if (obj.config.pointer) {
obj.needle.animate({
ndl: [rvl]
}, obj.config.startAnimationTime, obj.config.startAnimationType);
}
obj.txtValue.animate({
"fill-opacity": (obj.config.hideValue) ? "0" : "1"
}, obj.config.startAnimationTime, obj.config.startAnimationType);
obj.txtLabel.animate({
"fill-opacity": "1"
}, obj.config.startAnimationTime, obj.config.startAnimationType);
};
/**
* Bind a function to a Raphael eve event
*
* @param {String} eventName Raphael event name
* @param {Function} func The function to call on that event
*/
JustGage.prototype.bindEvent = function (eventName, func) {
// add the level id to the event
eventName += '.' + this.level.id
//check for existing bind events
if (this.events[eventName])
Raphael.eve.off(eventName, this.events[eventName])
Raphael.eve.on(eventName, func);
this.events[eventName] = func
}
/**
* Update Gauge values
*
* @param {Number} val The value
* @param {Number|String} max Max value
* @param {Number|String} min Min value
* @param {String} label The Label
*/
JustGage.prototype.refresh = function (val, max, min, label) {
var obj = this;
var displayVal, color;
max = isNumber(max) ? max : null
min = isNumber(min) ? min : null
label = label || null;
// set label min
if (label !== null) {
obj.config.label = label;
obj.txtLabel.attr({
"text": obj.config.label
});
setDy(obj.txtLabel, obj.params.labelFontSize, obj.params.labelY);
}
// set new min
if (min !== null) {
obj.config.min = min;
// TODO: update customSectors
obj.txtMinimum = obj.config.min;
if (obj.config.minTxt) {
obj.txtMinimum = obj.config.minTxt;
} else if (obj.config.humanFriendly) {
obj.txtMinimum = humanFriendlyNumber(obj.config.min, obj.config.humanFriendlyDecimal);
} else if (obj.config.formatNumber) {
obj.txtMinimum = formatNumber(obj.config.min);
}
if (!obj.config.reverse) {
obj.txtMin.attr({
"text": obj.txtMinimum
});
setDy(obj.txtMin, obj.params.minFontSize, obj.params.minY);
} else {
obj.txtMax.attr({
"text": obj.txtMinimum
});
setDy(obj.txtMax, obj.params.minFontSize, obj.params.minY);
}
}
// set new max
if (max !== null) {
obj.config.max = max;
obj.txtMaximum = obj.config.max;
if (obj.config.maxTxt) {
obj.txtMaximum = obj.config.maxTxt;
} else if (obj.config.humanFriendly) {
obj.txtMaximum = humanFriendlyNumber(obj.config.max, obj.config.humanFriendlyDecimal);
} else if (obj.config.formatNumber) {
obj.txtMaximum = formatNumber(obj.config.max);
}
if (!obj.config.reverse) {
obj.txtMax.attr({
"text": obj.txtMaximum
});
setDy(obj.txtMax, obj.params.maxFontSize, obj.params.maxY);
} else {
obj.txtMin.attr({
"text": obj.txtMaximum
});
setDy(obj.txtMin, obj.params.maxFontSize, obj.params.maxY);
}
}
// overflow values
displayVal = val;
if ((val * 1) > (obj.config.max * 1)) {
val = (obj.config.max * 1);
}
if ((val * 1) < (obj.config.min * 1)) {
val = (obj.config.min * 1);
}
color = getColor(val, (val - obj.config.min) / (obj.config.max - obj.config.min), obj.config.levelColors, obj.config.noGradient, obj.config.customSectors);
if (obj.config.textRenderer) {
displayVal = obj.config.textRenderer(displayVal);
} else if (obj.config.humanFriendly) {
displayVal = humanFriendlyNumber(displayVal, obj.config.humanFriendlyDecimal) + obj.config.symbol;
} else if (obj.config.formatNumber) {
displayVal = formatNumber((displayVal * 1).toFixed(obj.config.decimals)) + obj.config.symbol;
} else if (obj.config.displayRemaining) {
displayVal = ((obj.config.max - displayVal) * 1).toFixed(obj.config.decimals) + obj.config.symbol;
} else {
displayVal = (displayVal * 1).toFixed(obj.config.decimals) + obj.config.symbol;
}
obj.originalValue = displayVal;
obj.config.value = val * 1;
if (!obj.config.counter) {
obj.txtValue.attr({
"text": displayVal
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
}
var rvl = obj.config.value;
if (obj.config.reverse) {
rvl = (obj.config.max * 1) + (obj.config.min * 1) - (obj.config.value * 1);
}
obj.level.animate({
pki: [rvl],
"fill": color
}, obj.config.refreshAnimationTime, obj.config.refreshAnimationType, obj.config.onAnimationEnd);
if (obj.config.pointer) {
obj.needle.animate({
ndl: [rvl]
}, obj.config.refreshAnimationTime, obj.config.refreshAnimationType);
}
// var clear
obj, displayVal, color, max, min = null;
};
/**
* Update Gauge options
*
* @param options {String} option The target option name
* @param val {Number|String} val The value to be assigned to the option
*
* Alternative signature
* @param options {String|Object} options name and value
*/
JustGage.prototype.update = function (options, val) {
var obj = this;
// options as an object of option/val values
if (options instanceof Object) {
for (var option in options) {
val = options[option];
updateProp(obj, option, val);
}
// options as single option/val
} else {
updateProp(obj, options, val);
}
};
/**
* Utility function to update properties to a JustGage object
*
* @param obj {JustGage Object} JustGage object to apply the property update to
* @param option {String} option name
* @param val {String} option value
*/
function updateProp(obj, option, val) {
switch (option) {
case 'valueFontColor':
if (!isHexColor(val)) {
console.log('* justgage: the updated valueFontColor value is not a valid hex color');
break;
}
obj.txtValue.attr({
'fill': val
});