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mmm-nest-dial.js
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var mmmNestDial = (function() {
// create an element with proper SVG namespace, optionally setting its attributes and appending it to another element
function createSVGElement(tag, attributes, appendTo) {
var element = document.createElementNS('http://www.w3.org/2000/svg', tag);
attr(element, attributes);
if (appendTo) {
appendTo.appendChild(element);
}
return element;
}
// set attributes for an element
function attr(element,attrs) {
for (var i in attrs) {
element.setAttribute(i,attrs[i]);
}
}
// rotate a cartesian point about given origin by X degrees
function rotatePoint(point, angle, origin) {
var radians = angle * Math.PI/180;
var x = point[0]-origin[0];
var y = point[1]-origin[1];
var x1 = x * Math.cos(radians) - y * Math.sin(radians) + origin[0];
var y1 = x * Math.sin(radians) + y * Math.cos(radians) + origin[1];
return [x1,y1];
}
// rotate an array of cartesian points about a given origin by X degrees
function rotatePoints(points, angle, origin) {
return points.map(function(point) {
return rotatePoint(point, angle, origin);
});
}
// given an array of points, return an SVG path string representing the shape they define
function pointsToPath(points) {
return points.map(function(point, iPoint) {
return (iPoint > 0 ? 'L' : 'M') + point[0] + ' ' + point[1];
}).join(' ') + 'Z';
}
// restrict a number to a min + max range
function restrictToRange(val,min,max) {
if (val < min) return min;
if (val > max) return max;
return val;
}
// round a number to the nearest 0.5
function roundHalf(num) {
return Math.round(num * 2)/2;
}
// build the circular dial
return function(targetElement, options) {
var self = this;
// options
options = options || {};
options = {
temperatureScale: options.temperatureScale || 'F',
size: options.size || 'large',
minValue: (options.temperatureScale === 'F') ? 50 : 10,
maxValue: (options.temperatureScale === 'F') ? 90 : 30,
hasLeaf: options.hasLeaf || false,
targetTemp: options.targetTemp ? restrictTargetTemperature(+options.targetTemp) : options.minValue,
targetTempCool: options.targetTempCool || options.minValue,
targetTempHeat: options.targetTempHeat || options.maxValue,
ambientTemp: options.ambientTemp ? roundHalf(+options.ambientTemp) : options.minValue,
ecoTempLow: options.ecoTempLow || options.minValue,
ecoTempHigh: options.ecoTempHigh || options.maxValue,
isEcoMode: options.isEcoMode || false,
isOffMode: options.isOffMode || false,
isHeatCoolMode: options.isHeatCoolMode || false
};
// default options are for the `large` size
var circleDiameter = 240; // container size
var numTicks = 120; // number of ticks around the circle
var tickOffset = 9; // ambient temp marker tick size
var tickRadius = 0.75; // thickness of regular ticks
var tickRadiusLarge = 2; // thickness of marker ticks
if (options.size === 'medium') {
circleDiameter = 160;
numTicks = 80;
tickOffset = 6;
tickRadius = 0.75;
tickRadiusLarge = 1;
} else if (options.size === 'small') {
circleDiameter = 80;
numTicks = 40;
tickOffset = 3;
tickRadius = 1;
tickRadiusLarge = 1;
}
// used for offsetting the ambient temperature text correctly
var labelPosArr = {
right: [
{ ft: 50, ct: 10, x: -3.00, y: -4.00 },
{ ft: 51, ct: 10.5, x: -3.00, y: -4.00 },
{ ft: 52, ct: 11, x: -2.50, y: -3.25 },
{ ft: 53, ct: 11.5, x: -2.00, y: -2.50 },
{ ft: 54, ct: 12, x: -1.50, y: -1.75 },
{ ft: 55, ct: 12.5, x: -1.00, y: -1.00 },
{ ft: 56, ct: 13, x: -0.60, y: -1.20 },
{ ft: 57, ct: 13.5, x: -0.20, y: -1.40 },
{ ft: 58, ct: 14, x: 0.20, y: -1.60 },
{ ft: 59, ct: 14.5, x: 0.60, y: -1.80 },
{ ft: 60, ct: 15, x: 1.00, y: -2.00 },
{ ft: 61, ct: 15.5, x: 1.60, y: -1.80 },
{ ft: 62, ct: 16, x: 2.20, y: -1.60 },
{ ft: 63, ct: 16.5, x: 2.80, y: -1.40 },
{ ft: 64, ct: 17, x: 3.60, y: -1.20 },
{ ft: 65, ct: 17.5, x: 4.00, y: -1.00 },
{ ft: 66, ct: 18, x: 3.80, y: -0.60 },
{ ft: 67, ct: 18.5, x: 3.60, y: -0.20 },
{ ft: 68, ct: 19, x: 3.40, y: 0.20 },
{ ft: 69, ct: 19.5, x: 3.20, y: 0.60 },
{ ft: 70, ct: 20, x: 3.00, y: 1.00 }, // <- middle of dial
{ ft: 71, ct: 20.5, x: 3.20, y: 1.60 },
{ ft: 72, ct: 21, x: 3.40, y: 2.20 },
{ ft: 73, ct: 21.5, x: 3.60, y: 2.80 },
{ ft: 74, ct: 22, x: 3.80, y: 3.40 },
{ ft: 75, ct: 22.5, x: 4.00, y: 4.00 },
{ ft: 76, ct: 23, x: 3.40, y: 3.80 },
{ ft: 77, ct: 23.5, x: 2.80, y: 3.60 },
{ ft: 78, ct: 24, x: 2.20, y: 3.40 },
{ ft: 79, ct: 24.5, x: 1.60, y: 3.20 },
{ ft: 80, ct: 25, x: 1.00, y: 3.00 },
{ ft: 81, ct: 25.5, x: 0.60, y: 3.20 },
{ ft: 82, ct: 26, x: 0.20, y: 3.40 },
{ ft: 83, ct: 26.5, x: -0.20, y: 3.60 },
{ ft: 84, ct: 27, x: -0.60, y: 3.80 },
{ ft: 85, ct: 27.5, x: -1.00, y: 4.00 },
{ ft: 86, ct: 28, x: -1.50, y: 3.25 },
{ ft: 87, ct: 28.5, x: -2.00, y: 2.50 },
{ ft: 88, ct: 29, x: -2.50, y: 1.75 },
{ ft: 89, ct: 29.5, x: -3.00, y: 1.00 },
{ ft: 90, ct: 30, x: -3.00, y: 1.00 }
],
left: [
{ ft: 50, ct: 10, x: 3.00, y: 1.00 },
{ ft: 51, ct: 10.5, x: 3.00, y: 1.00 },
{ ft: 52, ct: 11, x: 2.50, y: 1.75 },
{ ft: 53, ct: 11.5, x: 2.00, y: 2.50 },
{ ft: 54, ct: 12, x: 1.50, y: 3.25 },
{ ft: 55, ct: 12.5, x: 1.00, y: 4.00 },
{ ft: 56, ct: 13, x: 0.60, y: 3.80 },
{ ft: 57, ct: 13.5, x: 0.20, y: 3.60 },
{ ft: 58, ct: 14, x: -0.20, y: 3.40 },
{ ft: 59, ct: 14.5, x: -0.60, y: 3.20 },
{ ft: 60, ct: 15, x: -1.00, y: 3.00 },
{ ft: 61, ct: 15.5, x: -1.60, y: 3.20 },
{ ft: 62, ct: 16, x: -2.20, y: 3.40 },
{ ft: 63, ct: 16.5, x: -2.80, y: 3.60 },
{ ft: 64, ct: 17, x: -3.40, y: 3.80 },
{ ft: 65, ct: 17.5, x: -4.00, y: 4.00 },
{ ft: 66, ct: 18, x: -3.80, y: 3.40 },
{ ft: 67, ct: 18.5, x: -3.60, y: 2.80 },
{ ft: 68, ct: 19, x: -3.40, y: 2.20 },
{ ft: 69, ct: 19.5, x: -3.20, y: 1.60 },
{ ft: 70, ct: 20, x: -3.00, y: 1.00 }, // <- middle of dial
{ ft: 71, ct: 20.5, x: -3.20, y: 0.60 },
{ ft: 72, ct: 21, x: -3.40, y: 0.20 },
{ ft: 73, ct: 21.5, x: -3.60, y: -0.20 },
{ ft: 74, ct: 22, x: -3.80, y: -0.60 },
{ ft: 75, ct: 22.5, x: -4.00, y: -1.00 },
{ ft: 76, ct: 23, x: -3.40, y: -1.20 },
{ ft: 77, ct: 23.5, x: -2.80, y: -1.40 },
{ ft: 78, ct: 24, x: -2.20, y: -1.60 },
{ ft: 79, ct: 24.5, x: -1.60, y: -1.80 },
{ ft: 80, ct: 25, x: -1.00, y: -2.00 },
{ ft: 81, ct: 25.5, x: -0.60, y: -1.80 },
{ ft: 82, ct: 26, x: -0.20, y: -1.60 },
{ ft: 83, ct: 26.5, x: 0.20, y: -1.40 },
{ ft: 84, ct: 27, x: 0.60, y: -1.20 },
{ ft: 85, ct: 27.5, x: 1.00, y: -1.00 },
{ ft: 86, ct: 28, x: 1.50, y: -1.75 },
{ ft: 87, ct: 28.5, x: 2.00, y: -2.50 },
{ ft: 88, ct: 29, x: 2.50, y: -3.25 },
{ ft: 89, ct: 29.5, x: 3.00, y: -4.00 },
{ ft: 90, ct: 30, x: 3.00, y: -4.00 }
]
};
// properties
var properties = {
circleDiameter,
numTicks,
tickOffset,
tickRadius,
tickRadiusLarge,
tickDegrees: 300, // degrees of the dial that should be covered in tick lines
rangeValue: options.maxValue - options.minValue,
radius: circleDiameter / 2,
ticksOuterRadius: circleDiameter / 30,
ticksInnerRadius: circleDiameter / 8,
labelPosArr
};
properties.labelPosition = [properties.radius, properties.ticksOuterRadius-(properties.ticksOuterRadius-properties.ticksInnerRadius)/2];
properties.offsetDegrees = 180-(360-properties.tickDegrees)/2;
// outer circle SVG
var svg = createSVGElement('svg', {
width: properties.circleDiameter + 'px',
height: properties.circleDiameter + 'px',
viewBox: '0 0 '+ properties.circleDiameter + ' ' + properties.circleDiameter,
class: 'dial-classic'
}, targetElement);
// gradients SVG
var offGradient = createSVGElement('linearGradient', {
id: 'dial-off-gradient',
x2: 1,
y2: 1
}, svg);
var offStop1 = createSVGElement('stop', {
offset: '0%',
'stop-color': '#4a535b'
}, offGradient);
var offStop2 = createSVGElement('stop', {
offset: '100%',
'stop-color': '#283037'
}, offGradient);
var heatingGradient = createSVGElement('linearGradient', {
id: 'dial-heating-gradient',
x2: 1,
y2: 1
}, svg);
var heatingStop1 = createSVGElement('stop', {
offset: '0%',
'stop-color': '#E36304'
}, heatingGradient);
var heatingStop2 = createSVGElement('stop', {
offset: '100%',
'stop-color': '#e55928'
}, heatingGradient);
var coolingGradient = createSVGElement('linearGradient', {
id: 'dial-cooling-gradient',
x2: 1,
y2: 1
}, svg);
var coolingStop1 = createSVGElement('stop', {
offset: '0%',
'stop-color': '#007AF1'
}, coolingGradient);
var coolingStop2 = createSVGElement('stop', {
offset: '100%',
'stop-color': '#0139ff'
}, coolingGradient);
// dial SVG
var circle = createSVGElement('circle', {
cx: properties.radius,
cy: properties.radius,
r: properties.radius,
class: 'dial-circle'
}, svg);
// ticks SVG
var ticks = createSVGElement('g', {
class: 'dial-ticks'
}, svg);
var tickPoints = [
[properties.radius - properties.tickRadius, properties.ticksOuterRadius],
[properties.radius + properties.tickRadius, properties.ticksOuterRadius],
[properties.radius + properties.tickRadius, properties.ticksInnerRadius],
[properties.radius - properties.tickRadius, properties.ticksInnerRadius]
];
var tickPointsLarge = [
[properties.radius - properties.tickRadiusLarge, properties.ticksOuterRadius],
[properties.radius + properties.tickRadiusLarge, properties.ticksOuterRadius],
[properties.radius + properties.tickRadiusLarge, properties.ticksInnerRadius + properties.tickOffset],
[properties.radius - properties.tickRadiusLarge, properties.ticksInnerRadius + properties.tickOffset]
];
var theta = properties.tickDegrees/properties.numTicks;
var tickArray = [];
for (var iTick = 0; iTick < properties.numTicks; iTick++) {
tickArray.push(createSVGElement('path',{d:pointsToPath(tickPoints)},ticks));
};
// leaf SVG
if (options.hasLeaf) {
var leafScale = properties.radius/5/100;
var leafDef = ["M", 3, 84, "c", 24, 17, 51, 18, 73, -6, "C", 100, 52, 100, 22, 100, 4, "c", -13, 15, -37, 9, -70, 19, "C", 4, 32, 0, 63, 0, 76, "c", 6, -7, 18, -17, 33, -23, 24, -9, 34, -9, 48, -20, -9, 10, -20, 16, -43, 24, "C", 22, 63, 8, 78, 3, 84, "z"].map(function(x) {
return isNaN(x) ? x : x * leafScale;
}).join(' ');
var translate = [properties.radius - (leafScale * 100 * 0.5),properties.radius * 1.5];
var icoLeaf = createSVGElement('path', {
class: 'icn-leaf',
d: leafDef,
transform: 'translate(' + translate[0] + ',' + translate[1] + ')'
}, svg);
}
function renderTicks() {
var vMin, vMax;
if (options.isEcoMode) {
vMin = options.ecoTempLow;
vMax = options.ecoTempHigh;
} else if (options.isHeatCoolMode) {
vMin = options.targetTempCool;
vMax = options.targetTempHeat;
} else if (options.isOffMode) {
vMin = options.ambientTemp;
vMax = vMin;
} else {
vMin = Math.min(options.ambientTemp, options.targetTemp);
vMax = Math.max(options.ambientTemp, options.targetTemp);
}
var min = restrictToRange(Math.round((vMin-options.minValue)/properties.rangeValue * properties.numTicks),0,properties.numTicks - 1);
var max = restrictToRange(Math.round((vMax-options.minValue)/properties.rangeValue * properties.numTicks),0,properties.numTicks - 1);
var amb = restrictToRange(Math.round((options.ambientTemp-options.minValue)/properties.rangeValue * properties.numTicks),0,properties.numTicks - 1);
tickArray.forEach(function(tick,iTick) {
var isLarge = iTick == min || iTick == max;
var isActive = iTick >= min && iTick <= max;
if ((options.isEcoMode) && (iTick === amb)) {
// in eco mode, we want a tick for the ambient temperature as well
isLarge = true;
}
var tickClass = isActive ? 'active' : '';
tickClass += isLarge ? ' lrg' : '';
attr(tick,{
d: pointsToPath(
rotatePoints(
isLarge
? tickPointsLarge
: tickPoints,
iTick * theta-properties.offsetDegrees,
[properties.radius, properties.radius])),
class: tickClass
});
});
}
function renderAmbientTemperature() {
var ambTemp = options.ambientTemp;
var tarTemp = options.targetTemp;
// ambient text isn't shown if ambient temperature is within 1 degree of target temperature
// in ECO mode target temperature is ecoTempLow and ecoTempHigh
var showAmbTemp = true;
if (options.isEcoMode) {
if ((ambTemp === options.ecoTempLow) || (1 + ambTemp === options.ecoTempLow) || (ambTemp === 1 + options.ecoTempLow)) {
showAmbTemp = false;
} else if ((ambTemp === options.ecoTempHigh) || (1 + ambTemp === options.ecoTempHigh) || (ambTemp === 1 + options.ecoTempHigh)) {
showAmbTemp = false;
}
} else if (options.isOffMode) {
showAmbTemp = true; // always shown in off mode
} else if ((ambTemp === tarTemp) || (1 + ambTemp === tarTemp) || (ambTemp === 1 + tarTemp)) {
showAmbTemp = false;
}
if (showAmbTemp) {
var ambPos = 'left';
var peggedValue = restrictToRange(ambTemp, options.minValue, options.maxValue);
if (!options.isEcoMode) { // always shown on the left side in eco mode
if (peggedValue > tarTemp) {
ambPos = 'right';
} else {
ambPos = 'left';
}
}
// svg for ambient temperature label
var ambData = getLabelData(ambTemp, ambPos);
getLabelSvg(ambData.x, ambData.y, ambData.text);
}
if (options.isEcoMode) {
// svg for eco low temperature label
var ecoLowData = getLabelData(options.ecoTempLow, 'left');
getLabelSvg(ecoLowData.x, ecoLowData.y, ecoLowData.text);
// svg for eco high temperature label
var ecoHighData = getLabelData(options.ecoTempHigh, 'right');
getLabelSvg(ecoHighData.x, ecoHighData.y, ecoHighData.text);
}
}
function getLabelData(val, pos) {
var isFahrenheit = (options.temperatureScale === 'F');
var posModsArr;
var text = Math.floor(val);
var valToCheck = val; // only used for checking the position array
// to handle half degrees (only used for C temperatures)
if (val%1 != 0) {
text += '⁵';
valToCheck = (!isFahrenheit) ? val + 0.5 : val;
}
var peggedValue = restrictToRange(val, options.minValue, options.maxValue);
var degs = properties.tickDegrees * (peggedValue - options.minValue)/properties.rangeValue - properties.offsetDegrees;
if (pos === 'right') {
degs += 8;
// ambient text is on the right
posModsArr = properties.labelPosArr.right;
} else {
degs -= 8;
// ambient text is on the left
posModsArr = properties.labelPosArr.left;
}
var xMod = 0;
var yMod = 0;
// check position modifier from position array
posModsArr.forEach(function(mod) {
var valFound = isFahrenheit ? mod.ft : mod.ct;
if (valFound === valToCheck) {
xMod = mod.x;
yMod = mod.y;
}
});
var pos = rotatePoint(properties.labelPosition,degs,[properties.radius, properties.radius]);
return {
x: pos[0] + xMod,
y: pos[1] + yMod,
text
}
}
function getLabelSvg(x, y, text) {
// background text
var labelBack = createSVGElement('text',{
class: 'label-temp label-back',
x,
y
},svg);
var labelBackText = document.createTextNode(text);
labelBack.appendChild(labelBackText);
// foreground text
var label = createSVGElement('text',{
class: 'label-temp',
x,
y
},svg);
var labelText = document.createTextNode(text);
label.appendChild(labelText);
}
function restrictTargetTemperature(t) {
return restrictToRange(roundHalf(t),options.minValue,options.maxValue);
}
function angle(point) {
var dx = point[0] - properties.radius;
var dy = point[1] - properties.radius;
var theta = Math.atan(dx/dy) / (Math.PI/180);
if (point[0] >= properties.radius && point[1] < properties.radius) {
theta = 90-theta - 90;
} else if (point[0] >= properties.radius && point[1] >= properties.radius) {
theta = 90-theta + 90;
} else if (point[0] < properties.radius && point[1] >= properties.radius) {
theta = 90-theta + 90;
} else if (point[0] < properties.radius && point[1] < properties.radius) {
theta = 90-theta + 270;
}
return theta;
};
renderTicks();
renderAmbientTemperature();
};
})();