3 lines
5.3 KiB
JavaScript
3 lines
5.3 KiB
JavaScript
/*! Leaflet.Coordinates 17-09-2013 */
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L.Control.Coordinates=L.Control.extend({options:{position:"bottomright",decimals:4,decimalSeperator:".",labelTemplateLat:"Lat: {y}",labelTemplateLng:"Lng: {x}",labelFormatterLat:void 0,labelFormatterLng:void 0,enableUserInput:!0,useDMS:!1,useLatLngOrder:!1,centerUserCoordinates:!1},onAdd:function(a){this._map=a;var b="leaflet-control-coordinates",c=this._container=L.DomUtil.create("div",b),d=this.options;this._labelcontainer=L.DomUtil.create("div","uiElement label",c),this._label=L.DomUtil.create("span","labelFirst",this._labelcontainer),this._inputcontainer=L.DomUtil.create("div","uiElement input uiHidden",c);var e,f;return d.useLatLngOrder?(f=L.DomUtil.create("span","",this._inputcontainer),this._inputY=this._createInput("inputY",this._inputcontainer),e=L.DomUtil.create("span","",this._inputcontainer),this._inputX=this._createInput("inputX",this._inputcontainer)):(e=L.DomUtil.create("span","",this._inputcontainer),this._inputX=this._createInput("inputX",this._inputcontainer),f=L.DomUtil.create("span","",this._inputcontainer),this._inputY=this._createInput("inputY",this._inputcontainer)),e.innerHTML=d.labelTemplateLng.replace("{x}",""),f.innerHTML=d.labelTemplateLat.replace("{y}",""),L.DomEvent.on(this._inputX,"keyup",this._handleKeypress,this),L.DomEvent.on(this._inputY,"keyup",this._handleKeypress,this),a.on("mousemove",this._update,this),a.on("dragstart",this.collapse,this),a.whenReady(this._update,this),this._showsCoordinates=!0,d.enableUserInput&&L.DomEvent.addListener(this._container,"click",this._switchUI,this),c},_createInput:function(a,b){var c=L.DomUtil.create("input",a,b);return c.type="text",L.DomEvent.disableClickPropagation(c),c},_clearMarker:function(){this._map.removeLayer(this._marker)},_handleKeypress:function(a){switch(a.keyCode){case 27:this.collapse();break;case 13:this._handleSubmit(),this.collapse();break;default:this._handleSubmit()}},_handleSubmit:function(){var a=L.NumberFormatter.createValidNumber(this._inputX.value,this.options.decimalSeperator),b=L.NumberFormatter.createValidNumber(this._inputY.value,this.options.decimalSeperator);if(void 0!==a&&void 0!==b){var c=this._marker;c||(c=this._marker=L.marker(),c.on("click",this._clearMarker,this));var d=new L.LatLng(b,a);c.setLatLng(d),c.addTo(this._map),this.options.centerUserCoordinates&&this._map.setView(d,this._map.getZoom())}},expand:function(){this._showsCoordinates=!1,this._map.off("mousemove",this._update,this),L.DomEvent.addListener(this._container,"mousemove",L.DomEvent.stop),L.DomEvent.removeListener(this._container,"click",this._switchUI,this),L.DomUtil.addClass(this._labelcontainer,"uiHidden"),L.DomUtil.removeClass(this._inputcontainer,"uiHidden")},_createCoordinateLabel:function(a){var b,c,d=this.options;return b=d.labelFormatterLng?d.labelFormatterLng(a.lng):L.Util.template(d.labelTemplateLng,{x:this._getNumber(a.lng,d)}),c=d.labelFormatterLat?d.labelFormatterLat(a.lat):L.Util.template(d.labelTemplateLat,{y:this._getNumber(a.lat,d)}),d.useLatLngOrder?c+" "+b:b+" "+c},_getNumber:function(a,b){var c;return c=b.useDMS?L.NumberFormatter.toDMS(a):L.NumberFormatter.round(a,b.decimals,b.decimalSeperator)},collapse:function(){if(!this._showsCoordinates&&(this._map.on("mousemove",this._update,this),this._showsCoordinates=!0,this.options,L.DomEvent.addListener(this._container,"click",this._switchUI,this),L.DomEvent.removeListener(this._container,"mousemove",L.DomEvent.stop),L.DomUtil.addClass(this._inputcontainer,"uiHidden"),L.DomUtil.removeClass(this._labelcontainer,"uiHidden"),this._marker)){var a=L.marker(),b=this._marker.getLatLng();a.setLatLng(b);var c=L.DomUtil.create("div",""),d=L.DomUtil.create("div","",c);d.innerHTML=this._createCoordinateLabel(b);var e=L.DomUtil.create("a","",c);e.innerHTML="Remove",e.href="#";var f=L.DomEvent.stopPropagation;L.DomEvent.on(e,"click",f).on(e,"mousedown",f).on(e,"dblclick",f).on(e,"click",L.DomEvent.preventDefault).on(e,"click",function(){this._map.removeLayer(a)},this),a.bindPopup(c),a.addTo(this._map),this._map.removeLayer(this._marker),this._marker=null}},_switchUI:function(a){L.DomEvent.stop(a),L.DomEvent.stopPropagation(a),L.DomEvent.preventDefault(a),this._showsCoordinates?this.expand():this.collapse()},onRemove:function(a){a.off("mousemove",this._update,this)},_update:function(a){var b=a.latlng,c=this.options;b&&(this._currentPos=b,this._inputY.value=L.NumberFormatter.round(b.lat,c.decimals,c.decimalSeperator),this._inputX.value=L.NumberFormatter.round(b.lng,c.decimals,c.decimalSeperator),this._label.innerHTML=this._createCoordinateLabel(b))}}),L.control.coordinates=function(a){return new L.Control.Coordinates(a)},L.Map.mergeOptions({coordinateControl:!1}),L.Map.addInitHook(function(){this.options.coordinateControl&&(this.coordinateControl=new L.Control.Coordinates,this.addControl(this.coordinateControl))}),L.NumberFormatter={round:function(a,b,c){var d=L.Util.formatNum(a,b)+"",e=d.split(".");if(e[1]){for(var f=b-e[1].length;f>0;f--)e[1]+="0";d=e.join(c||".")}return d},toDMS:function(a){var b=Math.floor(a),c=60*(a-b),d=Math.floor(c),e=60*(c-d),f=Math.round(e);return 60==f&&(d++,f="00"),60==d&&(b++,d="00"),10>f&&(f="0"+f),10>d&&(d="0"+d),""+b+"° "+d+"' "+f+"''"},createValidNumber:function(a,b){if(a&&a.length>0){var c=a.split(b||".");try{var d=Number(c.join("."));return isNaN(d)?void 0:d}catch(e){return void 0}}return void 0}};
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