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<title>Code coverage report for src/control/Control.Scale.js</title>
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<div class='header low'>
<h1>Code coverage report for <span class='entity'>src/control/Control.Scale.js</span></h1>
<h2>
Statements: <span class='metric'>31.58% <small>(12 / 38)</small></span>
Branches: <span class='metric'>10% <small>(3 / 30)</small></span>
Functions: <span class='metric'>20% <small>(2 / 10)</small></span>
Lines: <span class='metric'>31.58% <small>(12 / 38)</small></span>
</h2>
<div class="path"><a href="../../index.html">All files</a> » <a href="index.html">src/control/</a> » Control.Scale.js</div>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
* L.Control.Scale is used for displaying metric/imperial scale on the map.
*/
L.Control.Scale = L.Control.extend({
options: {
position: 'bottomleft',
maxWidth: 100,
metric: true,
imperial: true,
updateWhenIdle: false
},
onAdd: function (map) {
this._map = map;
var className = 'leaflet-control-scale',
container = L.DomUtil.create('div', className),
options = this.options;
this._addScales(options, className, container);
map.on(options.updateWhenIdle ? <span class="branch-0 cbranch-no" title="branch not covered" >'moveend' </span>: 'move', this._update, this);
map.whenReady(this._update, this);
return container;
},
onRemove: <span class="fstat-no" title="function not covered" >function (map) {</span>
<span class="cstat-no" title="statement not covered" > map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);</span>
},
_addScales: function (options, className, container) {
<span class="missing-if-branch" title="else path not taken"" >E</span>if (options.metric) {
this._mScale = L.DomUtil.create('div', className + '-line', container);
}
<span class="missing-if-branch" title="else path not taken"" >E</span>if (options.imperial) {
this._iScale = L.DomUtil.create('div', className + '-line', container);
}
},
_update: <span class="fstat-no" title="function not covered" >function () {</span>
<span class="cstat-no" title="statement not covered" > var bounds = this._map.getBounds(),</span>
centerLat = bounds.getCenter().lat,
halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180,
size = this._map.getSize(),
options = this.options,
maxMeters = 0;
<span class="cstat-no" title="statement not covered" > if (size.x > 0) {</span>
<span class="cstat-no" title="statement not covered" > maxMeters = dist * (options.maxWidth / size.x);</span>
}
<span class="cstat-no" title="statement not covered" > this._updateScales(options, maxMeters);</span>
},
_updateScales: <span class="fstat-no" title="function not covered" >function (options, maxMeters) {</span>
<span class="cstat-no" title="statement not covered" > if (options.metric && maxMeters) {</span>
<span class="cstat-no" title="statement not covered" > this._updateMetric(maxMeters);</span>
}
<span class="cstat-no" title="statement not covered" > if (options.imperial && maxMeters) {</span>
<span class="cstat-no" title="statement not covered" > this._updateImperial(maxMeters);</span>
}
},
_updateMetric: <span class="fstat-no" title="function not covered" >function (maxMeters) {</span>
<span class="cstat-no" title="statement not covered" > var meters = this._getRoundNum(maxMeters);</span>
<span class="cstat-no" title="statement not covered" > this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px';</span>
<span class="cstat-no" title="statement not covered" > this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';</span>
},
_updateImperial: <span class="fstat-no" title="function not covered" >function (maxMeters) {</span>
<span class="cstat-no" title="statement not covered" > var maxFeet = maxMeters * 3.2808399,</span>
scale = this._iScale,
maxMiles, miles, feet;
<span class="cstat-no" title="statement not covered" > if (maxFeet > 5280) {</span>
<span class="cstat-no" title="statement not covered" > maxMiles = maxFeet / 5280;</span>
<span class="cstat-no" title="statement not covered" > miles = this._getRoundNum(maxMiles);</span>
<span class="cstat-no" title="statement not covered" > scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px';</span>
<span class="cstat-no" title="statement not covered" > scale.innerHTML = miles + ' mi';</span>
} else {
<span class="cstat-no" title="statement not covered" > feet = this._getRoundNum(maxFeet);</span>
<span class="cstat-no" title="statement not covered" > scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px';</span>
<span class="cstat-no" title="statement not covered" > scale.innerHTML = feet + ' ft';</span>
}
},
_getScaleWidth: <span class="fstat-no" title="function not covered" >function (ratio) {</span>
<span class="cstat-no" title="statement not covered" > return Math.round(this.options.maxWidth * ratio) - 10;</span>
},
_getRoundNum: <span class="fstat-no" title="function not covered" >function (num) {</span>
<span class="cstat-no" title="statement not covered" > var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),</span>
d = num / pow10;
<span class="cstat-no" title="statement not covered" > d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1;</span>
<span class="cstat-no" title="statement not covered" > return pow10 * d;</span>
}
});
L.control.scale = <span class="fstat-no" title="function not covered" >function (options) {</span>
<span class="cstat-no" title="statement not covered" > return new L.Control.Scale(options);</span>
};
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