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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)
**/
JustGage = function(config) {
var obj = this;
// Helps in case developer wants to debug it. unobtrusive
if (config === null || config === undefined) {
console.log('* justgage: Make sure to pass options to the constructor!');
return false;
}
var node;
if (config.id !== null && config.id !== undefined) {
node = document.getElementById(config.id);
if (!node) {
console.log('* justgage: No element with id : %s found', config.id);
return false;
}
} else if (config.parentNode !== null && config.parentNode !== undefined) {
node = config.parentNode;
} else {
console.log('* justgage: Make sure to pass the existing element id or parentNode to the constructor.');
return false;
}
var dataset = node.dataset ? node.dataset : {};
// check for defaults
var defaults = (config.defaults !== null && config.defaults !== undefined) ? 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),
// title : string
// gauge title
title: kvLookup('title', config, dataset, ""),
// titleFontColor : string
// color of gauge title
titleFontColor: kvLookup('titleFontColor', config, dataset, "#999999"),
// valueFontColor : string
// color of label showing current value
valueFontColor: kvLookup('valueFontColor', config, dataset, "#010101"),
// 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'),
// max : float
// max value
max: kvLookup('max', config, dataset, 100, 'float'),
// 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),
// 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"),
// 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),
// titleMinFontSize
// absolute minimum font size for the title
titleMinFontSize: kvLookup('titleMinFontSize', config, dataset, 10),
// 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),
// hideInnerShadow : bool
// hide inner shadow
hideInnerShadow: kvLookup('hideInnerShadow', 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 : [] of objects
// number of digits after floating point
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, [])
};
// variables
var
canvasW,
canvasH,
widgetW,
widgetH,
aspect,
dx,
dy,
titleFontSize,
titleX,
titleY,
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%");
}
if (obj.config.relativeGaugeSize === true) {
obj.canvas.setViewBox(0, 0, 200, 150, true);
}
// canvas dimensions
if (obj.config.relativeGaugeSize === true) {
canvasW = 200;
canvasH = 150;
} 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, 150, true);
canvasW = 200;
canvasH = 150;
} 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) {
// DONUT *******************************
// width more than height
if (canvasW > canvasH) {
widgetH = canvasH;
widgetW = widgetH;
// width less than height
} else if (canvasW < canvasH) {
widgetW = canvasW;
widgetH = widgetW;
// if height don't fit, rescale both
if (widgetH > canvasH) {
aspect = widgetH / canvasH;
widgetH = widgetH / aspect;
widgetW = widgetH / aspect;
}
// equal
} else {
widgetW = canvasW;
widgetH = widgetW;
}
// delta
dx = (canvasW - widgetW) / 2;
dy = (canvasH - widgetH) / 2;
// title
titleFontSize = ((widgetH / 8) > 10) ? (widgetH / 10) : 10;
titleX = dx + widgetW / 2;
titleY = dy + widgetH / 11;
// 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 {
// HALF *******************************
// width more than height
if (canvasW > canvasH) {
widgetH = canvasH;
widgetW = widgetH * 1.25;
//if width doesn't fit, rescale both
if (widgetW > canvasW) {
aspect = widgetW / canvasW;
widgetW = widgetW / aspect;
widgetH = widgetH / aspect;
}
// width less than height
} else if (canvasW < canvasH) {
widgetW = canvasW;
widgetH = widgetW / 1.25;
// if height don't fit, rescale both
if (widgetH > canvasH) {
aspect = widgetH / canvasH;
widgetH = widgetH / aspect;
widgetW = widgetH / aspect;
}
// equal
} else {
widgetW = canvasW;
widgetH = widgetW * 0.75;
}
// delta
dx = (canvasW - widgetW) / 2;
dy = (canvasH - widgetH) / 2;
// title
titleFontSize = ((widgetH / 8) > obj.config.titleMinFontSize) ? (widgetH / 10) : obj.config.titleMinFontSize;
titleX = dx + widgetW / 2;
titleY = dy + widgetH / 6.4;
// 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,
titleFontSize: titleFontSize,
titleX: titleX,
titleY: titleY,
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, titleFontSize, titleX, titleY, valueFontSize, valueX, valueY, labelFontSize, labelX, labelY, minFontSize, minX, minY, maxFontSize, maxX, maxY = null;
// pki - custom attribute for generating gauge paths
obj.canvas.customAttributes.pki = function(value, min, max, w, h, dx, dy, gws, donut, reverse) {
var alpha, Ro, Ri, Cx, Cy, Xo, Yo, Xi, Yi, path;
if (donut) {
alpha = (1 - 2 * (value - min) / (max - min)) * Math.PI;
Ro = w / 2 - w / 7;
Ri = Ro - w / 6.666666666666667 * gws;
Cx = w / 2 + dx;
Cy = h / 1.95 + 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);
path = "M" + (Cx - Ri) + "," + Cy + " ";
path += "L" + (Cx - Ro) + "," + Cy + " ";
if (value > ((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 > ((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);
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 needle path
obj.canvas.customAttributes.ndl = function(value, min, max, w, h, dx, dy, gws, 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) {
return {
path: null
};
} 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,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut,
obj.config.reverse
]
});
// 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,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut,
obj.config.reverse
]
});
if (obj.config.donut) {
obj.level.transform("r" + obj.config.donutStartAngle + ", " + (obj.params.widgetW / 2 + obj.params.dx) + ", " + (obj.params.widgetH / 1.95 + obj.params.dy));
}
if (obj.config.pointer) {
// needle
obj.needle = obj.canvas.path().attr({
"stroke": (obj.config.pointerOptions.stroke !== null && obj.config.pointerOptions.stroke !== undefined) ? obj.config.pointerOptions.stroke : "none",
"stroke-width": (obj.config.pointerOptions.stroke_width !== null && obj.config.pointerOptions.stroke_width !== undefined) ? obj.config.pointerOptions.stroke_width : 0,
"stroke-linecap": (obj.config.pointerOptions.stroke_linecap !== null && obj.config.pointerOptions.stroke_linecap !== undefined) ? obj.config.pointerOptions.stroke_linecap : "square",
"fill": (obj.config.pointerOptions.color !== null && obj.config.pointerOptions.color !== undefined) ? obj.config.pointerOptions.color : "#000000",
ndl: [
obj.config.min,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut
]
});
}
// title
obj.txtTitle = obj.canvas.text(obj.params.titleX, obj.params.titleY, obj.config.title);
obj.txtTitle.attr({
"font-size": obj.params.titleFontSize,
"font-weight": "bold",
"font-family": "Arial",
"fill": obj.config.titleFontColor,
"fill-opacity": "1"
});
setDy(obj.txtTitle, obj.params.titleFontSize, obj.params.titleY);
// 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": "Arial",
"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": "Arial",
"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.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": "Arial",
"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.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": "Arial",
"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 {
obj.originalValue = (obj.originalValue * 1).toFixed(obj.config.decimals) + obj.config.symbol;
}
if (obj.config.counter === true) {
//on each animation frame
eve.on("raphael.anim.frame." + (obj.level.id), 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 {
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
eve.on("raphael.anim.finish." + (obj.level.id), function() {
obj.txtValue.attr({
"text": obj.originalValue
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
});
} else {
//on animation start
eve.on("raphael.anim.start." + (obj.level.id), function() {
obj.txtValue.attr({
"text": obj.originalValue
});
setDy(obj.txtValue, obj.params.valueFontSize, obj.params.valueY);
});
}
// 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.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut,
obj.config.reverse
]
}, obj.config.startAnimationTime, obj.config.startAnimationType);
if (obj.config.pointer) {
obj.needle.animate({
ndl: [
rvl,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut
]
}, 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);
};
/** Refresh gauge level */
JustGage.prototype.refresh = function(val, max) {
var obj = this;
var displayVal, color, max = max || null;
// set new max
if (max !== null) {
obj.config.max = max;
// TODO: update customSectors
obj.txtMaximum = obj.config.max;
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.minFontSize, obj.params.minY);
}
}
// 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 {
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,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut,
obj.config.reverse
],
"fill": color
}, obj.config.refreshAnimationTime, obj.config.refreshAnimationType);
if (obj.config.pointer) {
obj.needle.animate({
ndl: [
rvl,
obj.config.min,
obj.config.max,
obj.params.widgetW,
obj.params.widgetH,
obj.params.dx,
obj.params.dy,
obj.config.gaugeWidthScale,
obj.config.donut
]
}, obj.config.refreshAnimationTime, obj.config.refreshAnimationType);
}
// var clear
obj, displayVal, color, max = null;
};
/** Generate shadow */
JustGage.prototype.generateShadow = function(svg, defs) {
var obj = this;
var sid = "inner-shadow-" + obj.config.id;
var gaussFilter, feOffset, feGaussianBlur, feComposite1, feFlood, feComposite2, feComposite3;
// FILTER
gaussFilter = document.createElementNS(svg, "filter");
gaussFilter.setAttribute("id", sid);
defs.appendChild(gaussFilter);
// offset
feOffset = document.createElementNS(svg, "feOffset");
feOffset.setAttribute("dx", 0);
feOffset.setAttribute("dy", obj.config.shadowVerticalOffset);
gaussFilter.appendChild(feOffset);
// blur
feGaussianBlur = document.createElementNS(svg, "feGaussianBlur");
feGaussianBlur.setAttribute("result", "offset-blur");
feGaussianBlur.setAttribute("stdDeviation", obj.config.shadowSize);
gaussFilter.appendChild(feGaussianBlur);
// composite 1
feComposite1 = document.createElementNS(svg, "feComposite");
feComposite1.setAttribute("operator", "out");
feComposite1.setAttribute("in", "SourceGraphic");
feComposite1.setAttribute("in2", "offset-blur");
feComposite1.setAttribute("result", "inverse");
gaussFilter.appendChild(feComposite1);
// flood
feFlood = document.createElementNS(svg, "feFlood");
feFlood.setAttribute("flood-color", "black");
feFlood.setAttribute("flood-opacity", obj.config.shadowOpacity);
feFlood.setAttribute("result", "color");
gaussFilter.appendChild(feFlood);
// composite 2
feComposite2 = document.createElementNS(svg, "feComposite");
feComposite2.setAttribute("operator", "in");
feComposite2.setAttribute("in", "color");
feComposite2.setAttribute("in2", "inverse");
feComposite2.setAttribute("result", "shadow");
gaussFilter.appendChild(feComposite2);
// composite 3
feComposite3 = document.createElementNS(svg, "feComposite");
feComposite3.setAttribute("operator", "over");
feComposite3.setAttribute("in", "shadow");
feComposite3.setAttribute("in2", "SourceGraphic");
gaussFilter.appendChild(feComposite3);
// set shadow
if (!obj.config.hideInnerShadow) {
obj.canvas.canvas.childNodes[2].setAttribute("filter", "url(#" + sid + ")");
obj.canvas.canvas.childNodes[3].setAttribute("filter", "url(#" + sid + ")");
}
// var clear
gaussFilter, feOffset, feGaussianBlur, feComposite1, feFlood, feComposite2, feComposite3 = null;
};
//
// tiny helper function to lookup value of a key from two hash tables
// if none found, return defaultvalue
//
// key: string
// tablea: object
// tableb: DOMStringMap|object
// defval: string|integer|float|null
// datatype: return datatype
// delimiter: delimiter to be used in conjunction with datatype formatting
//
function kvLookup(key, tablea, tableb, defval, datatype, delimiter) {
var val = defval;
var canConvert = false;
if (!(key === null || key === undefined)) {
if (tableb !== null && tableb !== undefined && typeof tableb === "object" && key in tableb) {
val = tableb[key];
canConvert = true;
} else if (tablea !== null && tablea !== undefined && typeof tablea === "object" && key in tablea) {
val = tablea[key];
canConvert = true;
} else {
val = defval;
}
if (canConvert === true) {
if (datatype !== null && datatype !== undefined) {
switch (datatype) {
case 'int':
val = parseInt(val, 10);
break;
case 'float':
val = parseFloat(val);
break;
default:
break;
}
}
}
}
return val;
};
/** Get color for value */