oms.min.js

(function(){/*
 OverlappingMarkerSpiderfier
https://github.com/jawj/OverlappingMarkerSpiderfier-Leaflet
Copyright (c) 2011 - 2012 George MacKerron
Released under the MIT licence: http://opensource.org/licenses/mit-license
Note: The Leaflet maps API must be included *before* this code
*/
(function(){var n={}.hasOwnProperty,o=[].slice;null!=this.L&&(this.OverlappingMarkerSpiderfier=function(){function l(c,b){var a,e,g,f,d=this;this.map=c;null==b&&(b={});for(a in b)n.call(b,a)&&(e=b[a],this[a]=e);this.initMarkerArrays();this.listeners={};f=["click","zoomend"];e=0;for(g=f.length;e<g;e++)a=f[e],this.map.addEventListener(a,function(){return d.unspiderfy()})}var d,i;d=l.prototype;d.VERSION="0.2.5";i=2*Math.PI;d.keepSpiderfied=!1;d.nearbyDistance=20;d.circleSpiralSwitchover=9;d.circleFootSeparation=
25;d.circleStartAngle=i/12;d.spiralFootSeparation=28;d.spiralLengthStart=11;d.spiralLengthFactor=5;d.legWeight=1.5;d.legColors={usual:"#222",highlighted:"#f00"};d.initMarkerArrays=function(){this.markers=[];return this.markerListeners=[]};d.addMarker=function(c){var b,a=this;if(null!=c._oms)return this;c._oms=!0;b=function(){return a.spiderListener(c)};c.addEventListener("click",b);this.markerListeners.push(b);this.markers.push(c);return this};d.getMarkers=function(){return this.markers.slice(0)};
d.removeMarker=function(c){var b,a;null!=c._omsData&&this.unspiderfy();b=this.arrIndexOf(this.markers,c);if(0>b)return this;a=this.markerListeners.splice(b,1)[0];c.removeEventListener("click",a);delete c._oms;this.markers.splice(b,1);return this};d.clearMarkers=function(){var c,b,a,e,g;this.unspiderfy();g=this.markers;c=a=0;for(e=g.length;a<e;c=++a)b=g[c],c=this.markerListeners[c],b.removeEventListener("click",c),delete b._oms;this.initMarkerArrays();return this};d.addListener=function(c,b){var a,
e;(null!=(e=(a=this.listeners)[c])?e:a[c]=[]).push(b);return this};d.removeListener=function(c,b){var a;a=this.arrIndexOf(this.listeners[c],b);0>a||this.listeners[c].splice(a,1);return this};d.clearListeners=function(c){this.listeners[c]=[];return this};d.trigger=function(){var c,b,a,e,g,f;b=arguments[0];c=2<=arguments.length?o.call(arguments,1):[];b=null!=(a=this.listeners[b])?a:[];f=[];e=0;for(g=b.length;e<g;e++)a=b[e],f.push(a.apply(null,c));return f};d.generatePtsCircle=function(c,b){var a,e,
g,f,d;g=this.circleFootSeparation*(2+c)/i;e=i/c;d=[];for(a=f=0;0<=c?f<c:f>c;a=0<=c?++f:--f)a=this.circleStartAngle+a*e,d.push(new L.Point(b.x+g*Math.cos(a),b.y+g*Math.sin(a)));return d};d.generatePtsSpiral=function(c,b){var a,e,g,f,d;g=this.spiralLengthStart;a=0;d=[];for(e=f=0;0<=c?f<c:f>c;e=0<=c?++f:--f)a+=this.spiralFootSeparation/g+5.0E-4*e,e=new L.Point(b.x+g*Math.cos(a),b.y+g*Math.sin(a)),g+=i*this.spiralLengthFactor/a,d.push(e);return d};d.spiderListener=function(c){var b,a,e,g,f,d,h,i,j;b=
null!=c._omsData;(!b||!this.keepSpiderfied)&&this.unspiderfy();if(b)return this.trigger("click",c);g=[];f=[];d=this.nearbyDistance*this.nearbyDistance;e=this.map.latLngToLayerPoint(c.getLatLng());j=this.markers;h=0;for(i=j.length;h<i;h++)b=j[h],a=this.map.latLngToLayerPoint(b.getLatLng()),this.ptDistanceSq(a,e)<d?g.push({marker:b,markerPt:a}):f.push(b);return 1===g.length?this.trigger("click",c):this.spiderfy(g,f)};d.makeHighlightListeners=function(c){var b=this;return{highlight:function(){return c._omsData.leg.setStyle({color:b.legColors.highlighted})},
unhighlight:function(){return c._omsData.leg.setStyle({color:b.legColors.usual})}}};d.spiderfy=function(c,b){var a,e,g,d,m,h,i,j,l,k;this.spiderfying=!0;k=c.length;a=this.ptAverage(function(){var a,b,e;e=[];a=0;for(b=c.length;a<b;a++)i=c[a],e.push(i.markerPt);return e}());d=k>=this.circleSpiralSwitchover?this.generatePtsSpiral(k,a).reverse():this.generatePtsCircle(k,a);a=function(){var a,b,i,k=this;i=[];a=0;for(b=d.length;a<b;a++)g=d[a],e=this.map.layerPointToLatLng(g),l=this.minExtract(c,function(a){return k.ptDistanceSq(a.markerPt,
g)}),h=l.marker,m=new L.Polyline([h.getLatLng(),e],{color:this.legColors.usual,weight:this.legWeight,clickable:!1}),this.map.addLayer(m),h._omsData={usualPosition:h.getLatLng(),leg:m},this.legColors.highlighted!==this.legColors.usual&&(j=this.makeHighlightListeners(h),h._omsData.highlightListeners=j,h.addEventListener("mouseover",j.highlight),h.addEventListener("mouseout",j.unhighlight)),h.setLatLng(e),h.setZIndexOffset(1E6),i.push(h);return i}.call(this);delete this.spiderfying;this.spiderfied=!0;
return this.trigger("spiderfy",a,b)};d.unspiderfy=function(c){var b,a,e,d,f,i,h;null==c&&(c=null);if(null==this.spiderfied)return this;this.unspiderfying=!0;d=[];e=[];h=this.markers;f=0;for(i=h.length;f<i;f++)b=h[f],null!=b._omsData?(this.map.removeLayer(b._omsData.leg),b!==c&&b.setLatLng(b._omsData.usualPosition),b.setZIndexOffset(0),a=b._omsData.highlightListeners,null!=a&&(b.removeEventListener("mouseover",a.highlight),b.removeEventListener("mouseout",a.unhighlight)),delete b._omsData,d.push(b)):
e.push(b);delete this.unspiderfying;delete this.spiderfied;this.trigger("unspiderfy",d,e);return this};d.ptDistanceSq=function(c,b){var a,e;a=c.x-b.x;e=c.y-b.y;return a*a+e*e};d.ptAverage=function(c){var b,a,e,d,f;d=a=e=0;for(f=c.length;d<f;d++)b=c[d],a+=b.x,e+=b.y;c=c.length;return new L.Point(a/c,e/c)};d.minExtract=function(c,b){var a,d,g,f,i,h;g=i=0;for(h=c.length;i<h;g=++i)if(f=c[g],f=b(f),!("undefined"!==typeof a&&null!==a)||f<d)d=f,a=g;return c.splice(a,1)[0]};d.arrIndexOf=function(c,b){var a,
d,g,f;if(null!=c.indexOf)return c.indexOf(b);a=g=0;for(f=c.length;g<f;a=++g)if(d=c[a],d===b)return a;return-1};return l}())}).call(this);}).call(this);
/* Sun 6 May 2012 17:49:10 BST */