nc-gpxedit/js/leaflet.js

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2016-11-30 19:00:03 +00:00
/*
Leaflet 1.0.0+b346bb8, a JS library for interactive maps. http://leafletjs.com
(c) 2010-2016 Vladimir Agafonkin, (c) 2010-2011 CloudMade
*/
!function(t,e,i){function n(){var e=t.L;o.noConflict=function(){return t.L=e,this},t.L=o}var o={version:"1.0.0+b346bb8"};"object"==typeof module&&"object"==typeof module.exports?module.exports=o:"function"==typeof define&&define.amd&&define(o),"undefined"!=typeof t&&n(),o.Util={extend:function(t){var e,i,n,o;for(i=1,n=arguments.length;i<n;i++){o=arguments[i];for(e in o)t[e]=o[e]}return t},create:Object.create||function(){function t(){}return function(e){return t.prototype=e,new t}}(),bind:function(t,e){var i=Array.prototype.slice;if(t.bind)return t.bind.apply(t,i.call(arguments,1));var n=i.call(arguments,2);return function(){return t.apply(e,n.length?n.concat(i.call(arguments)):arguments)}},stamp:function(t){return t._leaflet_id=t._leaflet_id||++o.Util.lastId,t._leaflet_id},lastId:0,throttle:function(t,e,i){var n,o,s,r;return r=function(){n=!1,o&&(s.apply(i,o),o=!1)},s=function(){n?o=arguments:(t.apply(i,arguments),setTimeout(r,e),n=!0)}},wrapNum:function(t,e,i){var n=e[1],o=e[0],s=n-o;return t===n&&i?t:((t-o)%s+s)%s+o},falseFn:function(){return!1},formatNum:function(t,e){var i=Math.pow(10,e||5);return Math.round(t*i)/i},trim:function(t){return t.trim?t.trim():t.replace(/^\s+|\s+$/g,"")},splitWords:function(t){return o.Util.trim(t).split(/\s+/)},setOptions:function(t,e){t.hasOwnProperty("options")||(t.options=t.options?o.Util.create(t.options):{});for(var i in e)t.options[i]=e[i];return t.options},getParamString:function(t,e,i){var n=[];for(var o in t)n.push(encodeURIComponent(i?o.toUpperCase():o)+"="+encodeURIComponent(t[o]));return(e&&e.indexOf("?")!==-1?"&":"?")+n.join("&")},template:function(t,e){return t.replace(o.Util.templateRe,function(t,n){var o=e[n];if(o===i)throw new Error("No value provided for variable "+t);return"function"==typeof o&&(o=o(e)),o})},templateRe:/\{ *([\w_\-]+) *\}/g,isArray:Array.isArray||function(t){return"[object Array]"===Object.prototype.toString.call(t)},indexOf:function(t,e){for(var i=0;i<t.length;i++)if(t[i]===e)return i;return-1},emptyImageUrl:"data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs="},function(){function e(e){return t["webkit"+e]||t["moz"+e]||t["ms"+e]}function i(e){var i=+new Date,o=Math.max(0,16-(i-n));return n=i+o,t.setTimeout(e,o)}var n=0,s=t.requestAnimationFrame||e("RequestAnimationFrame")||i,r=t.cancelAnimationFrame||e("CancelAnimationFrame")||e("CancelRequestAnimationFrame")||function(e){t.clearTimeout(e)};o.Util.requestAnimFrame=function(e,n,r){return r&&s===i?void e.call(n):s.call(t,o.bind(e,n))},o.Util.cancelAnimFrame=function(e){e&&r.call(t,e)}}(),o.extend=o.Util.extend,o.bind=o.Util.bind,o.stamp=o.Util.stamp,o.setOptions=o.Util.setOptions,o.Class=function(){},o.Class.extend=function(t){var e=function(){this.initialize&&this.initialize.apply(this,arguments),this.callInitHooks()},i=e.__super__=this.prototype,n=o.Util.create(i);n.constructor=e,e.prototype=n;for(var s in this)this.hasOwnProperty(s)&&"prototype"!==s&&(e[s]=this[s]);return t.statics&&(o.extend(e,t.statics),delete t.statics),t.includes&&(o.Util.extend.apply(null,[n].concat(t.includes)),delete t.includes),n.options&&(t.options=o.Util.extend(o.Util.create(n.options),t.options)),o.extend(n,t),n._initHooks=[],n.callInitHooks=function(){if(!this._initHooksCalled){i.callInitHooks&&i.callInitHooks.call(this),this._initHooksCalled=!0;for(var t=0,e=n._initHooks.length;t<e;t++)n._initHooks[t].call(this)}},e},o.Class.include=function(t){return o.extend(this.prototype,t),this},o.Class.mergeOptions=function(t){return o.extend(this.prototype.options,t),this},o.Class.addInitHook=function(t){var e=Array.prototype.slice.call(arguments,1),i="function"==typeof t?t:function(){this[t].apply(this,e)};return this.prototype._initHooks=this.prototype._initHooks||[],this.prototype._initHooks.push(i),this},o.Evented=o.Class.extend({on:function(t,e,i){if("object"==typeof t)for(var n in t)this._on(n,t[n],e);else{t=o.Util.splitWords(t);for(var s=0,r=t.length;s<r;s++)this._on(t[s],e,i)}return this},off:function(t,e,i){if(t)if("object"==typeof t)for(var n in t)this._off(n,t[n],e);else{t=o.Util.splitWords(t);for(var s=0,r=t.
}for(var h=0;h<i.length;h++)if(i[h].fire(e,r,!0),r.originalEvent._stopped||i[h].options.nonBubblingEvents&&o.Util.indexOf(i[h].options.nonBubblingEvents,e)!==-1)return}},_draggableMoved:function(t){return t=t.dragging&&t.dragging.enabled()?t:this,t.dragging&&t.dragging.moved()||this.boxZoom&&this.boxZoom.moved()},_clearHandlers:function(){for(var t=0,e=this._handlers.length;t<e;t++)this._handlers[t].disable()},whenReady:function(t,e){return this._loaded?t.call(e||this,{target:this}):this.on("load",t,e),this},_getMapPanePos:function(){return o.DomUtil.getPosition(this._mapPane)||new o.Point(0,0)},_moved:function(){var t=this._getMapPanePos();return t&&!t.equals([0,0])},_getTopLeftPoint:function(t,e){var n=t&&e!==i?this._getNewPixelOrigin(t,e):this.getPixelOrigin();return n.subtract(this._getMapPanePos())},_getNewPixelOrigin:function(t,e){var i=this.getSize()._divideBy(2);return this.project(t,e)._subtract(i)._add(this._getMapPanePos())._round()},_latLngToNewLayerPoint:function(t,e,i){var n=this._getNewPixelOrigin(i,e);return this.project(t,e)._subtract(n)},_getCenterLayerPoint:function(){return this.containerPointToLayerPoint(this.getSize()._divideBy(2))},_getCenterOffset:function(t){return this.latLngToLayerPoint(t).subtract(this._getCenterLayerPoint())},_limitCenter:function(t,e,i){if(!i)return t;var n=this.project(t,e),s=this.getSize().divideBy(2),r=new o.Bounds(n.subtract(s),n.add(s)),a=this._getBoundsOffset(r,i,e);return a.round().equals([0,0])?t:this.unproject(n.add(a),e)},_limitOffset:function(t,e){if(!e)return t;var i=this.getPixelBounds(),n=new o.Bounds(i.min.add(t),i.max.add(t));return t.add(this._getBoundsOffset(n,e))},_getBoundsOffset:function(t,e,i){var n=o.bounds(this.project(e.getNorthEast(),i),this.project(e.getSouthWest(),i)),s=n.min.subtract(t.min),r=n.max.subtract(t.max),a=this._rebound(s.x,-r.x),h=this._rebound(s.y,-r.y);return new o.Point(a,h)},_rebound:function(t,e){return t+e>0?Math.round(t-e)/2:Math.max(0,Math.ceil(t))-Math.max(0,Math.floor(e))},_limitZoom:function(t){var e=this.getMinZoom(),i=this.getMaxZoom(),n=o.Browser.any3d?this.options.zoomSnap:1;return n&&(t=Math.round(t/n)*n),Math.max(e,Math.min(i,t))}}),o.map=function(t,e){return new o.Map(t,e)},o.Layer=o.Evented.extend({options:{pane:"overlayPane",nonBubblingEvents:[]},addTo:function(t){return t.addLayer(this),this},remove:function(){return this.removeFrom(this._map||this._mapToAdd)},removeFrom:function(t){return t&&t.removeLayer(this),this},getPane:function(t){return this._map.getPane(t?this.options[t]||t:this.options.pane)},addInteractiveTarget:function(t){return this._map._targets[o.stamp(t)]=this,this},removeInteractiveTarget:function(t){return delete this._map._targets[o.stamp(t)],this},_layerAdd:function(t){var e=t.target;if(e.hasLayer(this)){if(this._map=e,this._zoomAnimated=e._zoomAnimated,this.getEvents){var i=this.getEvents();e.on(i,this),this.once("remove",function(){e.off(i,this)},this)}this.onAdd(e),this.getAttribution&&this._map.attributionControl&&this._map.attributionControl.addAttribution(this.getAttribution()),this.fire("add"),e.fire("layeradd",{layer:this})}}}),o.Map.include({addLayer:function(t){var e=o.stamp(t);return this._layers[e]?this:(this._layers[e]=t,t._mapToAdd=this,t.beforeAdd&&t.beforeAdd(this),this.whenReady(t._layerAdd,t),this)},removeLayer:function(t){var e=o.stamp(t);return this._layers[e]?(this._loaded&&t.onRemove(this),t.getAttribution&&this.attributionControl&&this.attributionControl.removeAttribution(t.getAttribution()),delete this._layers[e],this._loaded&&(this.fire("layerremove",{layer:t}),t.fire("remove")),t._map=t._mapToAdd=null,this):this},hasLayer:function(t){return!!t&&o.stamp(t)in this._layers},eachLayer:function(t,e){for(var i in this._layers)t.call(e,this._layers[i]);return this},_addLayers:function(t){t=t?o.Util.isArray(t)?t:[t]:[];for(var e=0,i=t.length;e<i;e++)this.addLayer(t[e])},_addZoomLimit:function(t){!isNaN(t.options.maxZoom)&&isNaN(t.options.minZoom)||(this._zoomBoundLayers[o.stamp(t)]=t,this._updateZoomLevels())},_removeZoomLimit:function(t){var e=o.stamp(t);this._zoomBoundLayer
r.x+n+l.x>u.x&&(c=r.x+n-u.x+l.x),r.x-c-h.x<0&&(c=r.x-h.x),r.y+i+l.y>u.y&&(d=r.y+i-u.y+l.y),r.y-d-h.y<0&&(d=r.y-h.y),(c||d)&&t.fire("autopanstart").panBy([c,d])}},_onCloseButtonClick:function(t){this._close(),o.DomEvent.stop(t)},_getAnchor:function(){return o.point(this._source&&this._source._getPopupAnchor?this._source._getPopupAnchor():[0,0])}}),o.popup=function(t,e){return new o.Popup(t,e)},o.Map.mergeOptions({closePopupOnClick:!0}),o.Map.include({openPopup:function(t,e,i){return t instanceof o.Popup||(t=new o.Popup(i).setContent(t)),e&&t.setLatLng(e),this.hasLayer(t)?this:(this._popup&&this._popup.options.autoClose&&this.closePopup(),this._popup=t,this.addLayer(t))},closePopup:function(t){return t&&t!==this._popup||(t=this._popup,this._popup=null),t&&this.removeLayer(t),this}}),o.Layer.include({bindPopup:function(t,e){return t instanceof o.Popup?(o.setOptions(t,e),this._popup=t,t._source=this):(this._popup&&!e||(this._popup=new o.Popup(e,this)),this._popup.setContent(t)),this._popupHandlersAdded||(this.on({click:this._openPopup,remove:this.closePopup,move:this._movePopup}),this._popupHandlersAdded=!0),this},unbindPopup:function(){return this._popup&&(this.off({click:this._openPopup,remove:this.closePopup,move:this._movePopup}),this._popupHandlersAdded=!1,this._popup=null),this},openPopup:function(t,e){if(t instanceof o.Layer||(e=t,t=this),t instanceof o.FeatureGroup)for(var i in this._layers){t=this._layers[i];break}return e||(e=t.getCenter?t.getCenter():t.getLatLng()),this._popup&&this._map&&(this._popup._source=t,this._popup.update(),this._map.openPopup(this._popup,e)),this},closePopup:function(){return this._popup&&this._popup._close(),this},togglePopup:function(t){return this._popup&&(this._popup._map?this.closePopup():this.openPopup(t)),this},isPopupOpen:function(){return this._popup.isOpen()},setPopupContent:function(t){return this._popup&&this._popup.setContent(t),this},getPopup:function(){return this._popup},_openPopup:function(t){var e=t.layer||t.target;if(this._popup&&this._map)return o.DomEvent.stop(t),e instanceof o.Path?void this.openPopup(t.layer||t.target,t.latlng):void(this._map.hasLayer(this._popup)&&this._popup._source===e?this.closePopup():this.openPopup(e,t.latlng))},_movePopup:function(t){this._popup.setLatLng(t.latlng)}}),o.Marker.include({_getPopupAnchor:function(){return this.options.icon.options.popupAnchor||[0,0]}}),o.Tooltip=o.DivOverlay.extend({options:{pane:"tooltipPane",offset:[0,0],direction:"auto",permanent:!1,sticky:!1,interactive:!1,opacity:.9},onAdd:function(t){o.DivOverlay.prototype.onAdd.call(this,t),this.setOpacity(this.options.opacity),t.fire("tooltipopen",{tooltip:this}),this._source&&this._source.fire("tooltipopen",{tooltip:this},!0)},onRemove:function(t){o.DivOverlay.prototype.onRemove.call(this,t),t.fire("tooltipclose",{tooltip:this}),this._source&&this._source.fire("tooltipclose",{tooltip:this},!0)},getEvents:function(){var t=o.DivOverlay.prototype.getEvents.call(this);return o.Browser.touch&&!this.options.permanent&&(t.preclick=this._close),t},_close:function(){this._map&&this._map.closeTooltip(this)},_initLayout:function(){var t="leaflet-tooltip",e=t+" "+(this.options.className||"")+" leaflet-zoom-"+(this._zoomAnimated?"animated":"hide");this._contentNode=this._container=o.DomUtil.create("div",e)},_updateLayout:function(){},_adjustPan:function(){},_setPosition:function(t){var e=this._map,i=this._container,n=e.latLngToContainerPoint(e.getCenter()),s=e.layerPointToContainerPoint(t),r=this.options.direction,a=i.offsetWidth,h=i.offsetHeight,l=o.point(this.options.offset),u=this._getAnchor();"top"===r?t=t.add(o.point(-a/2+l.x,-h+l.y+u.y)):"bottom"===r?t=t.subtract(o.point(a/2-l.x,-l.y)):"center"===r?t=t.subtract(o.point(a/2+l.x,h/2-u.y+l.y)):"right"===r||"auto"===r&&s.x<n.x?(r="right",t=t.add([l.x+u.x,u.y-h/2+l.y])):(r="left",t=t.subtract(o.point(a+u.x-l.x,h/2-u.y-l.y))),o.DomUtil.removeClass(i,"leaflet-tooltip-right"),o.DomUtil.removeClass(i,"leaflet-tooltip-left"),o.DomUtil.removeClass(i,"leaflet-tooltip-top"),o.DomUtil.removeClass(i,"leaflet-tooltip-bottom"),o.DomUtil.addCl
var a=o.GeoJSON.geometryToLayer(t,r);return a?(a.feature=o.GeoJSON.asFeature(t),a.defaultOptions=a.options,this.resetStyle(a),r.onEachFeature&&r.onEachFeature(t,a),this.addLayer(a)):this},resetStyle:function(t){return t.options=o.Util.extend({},t.defaultOptions),this._setLayerStyle(t,this.options.style),this},setStyle:function(t){return this.eachLayer(function(e){this._setLayerStyle(e,t)},this)},_setLayerStyle:function(t,e){"function"==typeof e&&(e=e(t.feature)),t.setStyle&&t.setStyle(e)}}),o.extend(o.GeoJSON,{geometryToLayer:function(t,e){var i,n,s,r,a="Feature"===t.type?t.geometry:t,h=a?a.coordinates:null,l=[],u=e&&e.pointToLayer,c=e&&e.coordsToLatLng||this.coordsToLatLng;if(!h&&!a)return null;switch(a.type){case"Point":return i=c(h),u?u(t,i):new o.Marker(i);case"MultiPoint":for(s=0,r=h.length;s<r;s++)i=c(h[s]),l.push(u?u(t,i):new o.Marker(i));return new o.FeatureGroup(l);case"LineString":case"MultiLineString":return n=this.coordsToLatLngs(h,"LineString"===a.type?0:1,c),new o.Polyline(n,e);case"Polygon":case"MultiPolygon":return n=this.coordsToLatLngs(h,"Polygon"===a.type?1:2,c),new o.Polygon(n,e);case"GeometryCollection":for(s=0,r=a.geometries.length;s<r;s++){var d=this.geometryToLayer({geometry:a.geometries[s],type:"Feature",properties:t.properties},e);d&&l.push(d)}return new o.FeatureGroup(l);default:throw new Error("Invalid GeoJSON object.")}},coordsToLatLng:function(t){return new o.LatLng(t[1],t[0],t[2])},coordsToLatLngs:function(t,e,i){for(var n,o=[],s=0,r=t.length;s<r;s++)n=e?this.coordsToLatLngs(t[s],e-1,i):(i||this.coordsToLatLng)(t[s]),o.push(n);return o},latLngToCoords:function(t){return t.alt!==i?[t.lng,t.lat,t.alt]:[t.lng,t.lat]},latLngsToCoords:function(t,e,i){for(var n=[],s=0,r=t.length;s<r;s++)n.push(e?o.GeoJSON.latLngsToCoords(t[s],e-1,i):o.GeoJSON.latLngToCoords(t[s]));return!e&&i&&n.push(n[0]),n},getFeature:function(t,e){return t.feature?o.extend({},t.feature,{geometry:e}):o.GeoJSON.asFeature(e)},asFeature:function(t){return"Feature"===t.type?t:{type:"Feature",properties:{},geometry:t}}});var r={toGeoJSON:function(){return o.GeoJSON.getFeature(this,{type:"Point",coordinates:o.GeoJSON.latLngToCoords(this.getLatLng())})}};o.Marker.include(r),o.Circle.include(r),o.CircleMarker.include(r),o.Polyline.prototype.toGeoJSON=function(){var t=!o.Polyline._flat(this._latlngs),e=o.GeoJSON.latLngsToCoords(this._latlngs,t?1:0);return o.GeoJSON.getFeature(this,{type:(t?"Multi":"")+"LineString",coordinates:e})},o.Polygon.prototype.toGeoJSON=function(){var t=!o.Polyline._flat(this._latlngs),e=t&&!o.Polyline._flat(this._latlngs[0]),i=o.GeoJSON.latLngsToCoords(this._latlngs,e?2:t?1:0,!0);return t||(i=[i]),o.GeoJSON.getFeature(this,{type:(e?"Multi":"")+"Polygon",coordinates:i})},o.LayerGroup.include({toMultiPoint:function(){var t=[];return this.eachLayer(function(e){t.push(e.toGeoJSON().geometry.coordinates)}),o.GeoJSON.getFeature(this,{type:"MultiPoint",coordinates:t})},toGeoJSON:function(){var t=this.feature&&this.feature.geometry&&this.feature.geometry.type;if("MultiPoint"===t)return this.toMultiPoint();var e="GeometryCollection"===t,i=[];return this.eachLayer(function(t){if(t.toGeoJSON){var n=t.toGeoJSON();i.push(e?n.geometry:o.GeoJSON.asFeature(n))}}),e?o.GeoJSON.getFeature(this,{geometries:i,type:"GeometryCollection"}):{type:"FeatureCollection",features:i}}}),o.geoJSON=function(t,e){return new o.GeoJSON(t,e)},o.geoJson=o.geoJSON;var a="_leaflet_events";o.DomEvent={on:function(t,e,i,n){if("object"==typeof e)for(var s in e)this._on(t,s,e[s],i);else{e=o.Util.splitWords(e);for(var r=0,a=e.length;r<a;r++)this._on(t,e[r],i,n)}return this},off:function(t,e,i,n){if("object"==typeof e)for(var s in e)this._off(t,s,e[s],i);else{e=o.Util.splitWords(e);for(var r=0,a=e.length;r<a;r++)this._off(t,e[r],i,n)}return this},_on:function(e,i,n,s){var r=i+o.stamp(n)+(s?"_"+o.stamp(s):"");if(e[a]&&e[a][r])return this;var h=function(i){return n.call(s||e,i||t.event)},l=h;return o.Browser.pointer&&0===i.indexOf("touch")?this.addPointerListener(e,i,h,r):o.Browser.touch&&"dblclick"===i&&this.addDoubleTapListener?this.addDoubleTapListener(e,
},setPrefix:function(t){return this.options.prefix=t,this._update(),this},addAttribution:function(t){return t?(this._attributions[t]||(this._attributions[t]=0),this._attributions[t]++,this._update(),this):this},removeAttribution:function(t){return t?(this._attributions[t]&&(this._attributions[t]--,this._update()),this):this},_update:function(){if(this._map){var t=[];for(var e in this._attributions)this._attributions[e]&&t.push(e);var i=[];this.options.prefix&&i.push(this.options.prefix),t.length&&i.push(t.join(", ")),this._container.innerHTML=i.join(" | ")}}}),o.Map.mergeOptions({attributionControl:!0}),o.Map.addInitHook(function(){this.options.attributionControl&&(new o.Control.Attribution).addTo(this)}),o.control.attribution=function(t){return new o.Control.Attribution(t)},o.Control.Scale=o.Control.extend({options:{position:"bottomleft",maxWidth:100,metric:!0,imperial:!0},onAdd:function(t){var e="leaflet-control-scale",i=o.DomUtil.create("div",e),n=this.options;return this._addScales(n,e+"-line",i),t.on(n.updateWhenIdle?"moveend":"move",this._update,this),t.whenReady(this._update,this),i},onRemove:function(t){t.off(this.options.updateWhenIdle?"moveend":"move",this._update,this)},_addScales:function(t,e,i){t.metric&&(this._mScale=o.DomUtil.create("div",e,i)),t.imperial&&(this._iScale=o.DomUtil.create("div",e,i))},_update:function(){var t=this._map,e=t.getSize().y/2,i=t.distance(t.containerPointToLatLng([0,e]),t.containerPointToLatLng([this.options.maxWidth,e]));this._updateScales(i)},_updateScales:function(t){this.options.metric&&t&&this._updateMetric(t),this.options.imperial&&t&&this._updateImperial(t)},_updateMetric:function(t){var e=this._getRoundNum(t),i=e<1e3?e+" m":e/1e3+" km";this._updateScale(this._mScale,i,e/t)},_updateImperial:function(t){var e,i,n,o=3.2808399*t;o>5280?(e=o/5280,i=this._getRoundNum(e),this._updateScale(this._iScale,i+" mi",i/e)):(n=this._getRoundNum(o),this._updateScale(this._iScale,n+" ft",n/o))},_updateScale:function(t,e,i){t.style.width=Math.round(this.options.maxWidth*i)+"px",t.innerHTML=e},_getRoundNum:function(t){var e=Math.pow(10,(Math.floor(t)+"").length-1),i=t/e;return i=i>=10?10:i>=5?5:i>=3?3:i>=2?2:1,e*i}}),o.control.scale=function(t){return new o.Control.Scale(t)},o.Control.Layers=o.Control.extend({options:{collapsed:!0,position:"topright",autoZIndex:!0,hideSingleBase:!1},initialize:function(t,e,i){o.setOptions(this,i),this._layers=[],this._lastZIndex=0,this._handlingClick=!1;for(var n in t)this._addLayer(t[n],n);for(n in e)this._addLayer(e[n],n,!0)},onAdd:function(t){return this._initLayout(),this._update(),this._map=t,t.on("zoomend",this._checkDisabledLayers,this),this._container},onRemove:function(){this._map.off("zoomend",this._checkDisabledLayers,this);for(var t=0;t<this._layers.length;t++)this._layers[t].layer.off("add remove",this._onLayerChange,this)},addBaseLayer:function(t,e){return this._addLayer(t,e),this._map?this._update():this},addOverlay:function(t,e){return this._addLayer(t,e,!0),this._map?this._update():this},removeLayer:function(t){t.off("add remove",this._onLayerChange,this);var e=this._getLayer(o.stamp(t));return e&&this._layers.splice(this._layers.indexOf(e),1),this._map?this._update():this},expand:function(){o.DomUtil.addClass(this._container,"leaflet-control-layers-expanded"),this._form.style.height=null;var t=this._map.getSize().y-(this._container.offsetTop+50);return t<this._form.clientHeight?(o.DomUtil.addClass(this._form,"leaflet-control-layers-scrollbar"),this._form.style.height=t+"px"):o.DomUtil.removeClass(this._form,"leaflet-control-layers-scrollbar"),this._checkDisabledLayers(),this},collapse:function(){return o.DomUtil.removeClass(this._container,"leaflet-control-layers-expanded"),this},_initLayout:function(){var t="leaflet-control-layers",e=this._container=o.DomUtil.create("div",t);e.setAttribute("aria-haspopup",!0),o.DomEvent.disableClickPropagation(e),o.Browser.touch||o.DomEvent.disableScrollPropagation(e);var i=this._form=o.DomUtil.create("form",t+"-list");if(this.options.collapsed){o.Browser.android||o.DomEvent.on(e,{mouseenter:this.expand,mo