/*
	Leaflet.contextmenu, a context menu for Leaflet.
	(c) 2013, Adam Ratcliffe, GeoSmart Maps Limited
*/
L.Map.mergeOptions({contextmenuItems:[]});L.Map.ContextMenu=L.Handler.extend({statics:{BASE_CLS:"leaflet-contextmenu"},initialize:function(map){L.Handler.prototype.initialize.call(this,map);this._items=[];this._visible=false;var container=this._container=L.DomUtil.create("div",L.Map.ContextMenu.BASE_CLS,map._container);container.style.zIndex=1e4;container.style.position="absolute";if(map.options.contextmenuWidth){container.style.width=map.options.contextmenuWidth+"px"}this._createItems();L.DomEvent.on(container,"click",L.DomEvent.stop).on(container,"mousedown",L.DomEvent.stop).on(container,"dblclick",L.DomEvent.stop).on(container,"contextmenu",L.DomEvent.stop)},addHooks:function(){L.DomEvent.on(document,"keydown",this._onKeyDown,this);this._map.on({contextmenu:this._show,mouseout:this._hide,mousedown:this._hide,movestart:this._hide,zoomstart:this._hide},this)},removeHooks:function(){L.DomEvent.off(document,"keydown",this._onKeyDown,this);this._map.off({contextmenu:this._show,mouseout:this._hide,mousedown:this._hide,movestart:this._hide,zoomstart:this._hide},this)},showAt:function(point,data){if(point instanceof L.LatLng){point=this._map.latLngToContainerPoint(point)}this._showAtPoint(point,data)},hide:function(){this._hide()},addItem:function(options){return this.insertItem(options)},insertItem:function(options,index){index=index!==undefined?index:this._items.length;var item=this._createItem(this._container,options,index);this._items.push(item);this._sizeChanged=true;this._map.fire("contextmenu.additem",{contextmenu:this,el:item.el,index:index});return item.el},removeItem:function(item){var container=this._container;if(!isNaN(item)){item=container.children[item]}if(item){this._removeItem(L.Util.stamp(item));this._sizeChanged=true;this._map.fire("contextmenu.removeitem",{contextmenu:this,el:item})}},removeAllItems:function(){var item;while(this._container.children.length){item=this._container.children[0];this._removeItem(L.Util.stamp(item))}},setDisabled:function(item,disabled){var container=this._container,itemCls=L.Map.ContextMenu.BASE_CLS+"-item";if(!isNaN(item)){item=container.children[item]}if(item&&L.DomUtil.hasClass(item,itemCls)){if(disabled){L.DomUtil.addClass(item,itemCls+"-disabled");this._map.fire("contextmenu.disableitem",{contextmenu:this,el:item})}else{L.DomUtil.removeClass(item,itemCls+"-disabled");this._map.fire("contextmenu.enableitem",{contextmenu:this,el:item})}}},isVisible:function(){return this._visible},_createItems:function(){var itemOptions=this._map.options.contextmenuItems,item,i,l;for(i=0,l=itemOptions.length;i<l;i++){this._items.push(this._createItem(this._container,itemOptions[i]))}},_createItem:function(container,options,index){if(options.separator||options==="-"){return this._createSeparator(container,index)}var itemCls=L.Map.ContextMenu.BASE_CLS+"-item",cls=options.disabled?itemCls+" "+itemCls+"-disabled":itemCls,el=this._insertElementAt("a",cls,container,index),callback=this._createEventHandler(el,options.callback,options.context),html="";if(options.icon){html='<img class="'+L.Map.ContextMenu.BASE_CLS+'-icon" src="'+options.icon+'"/>'}else if(options.iconCls){html='<span class="'+L.Map.ContextMenu.BASE_CLS+"-icon "+options.iconCls+'"></span>'}el.innerHTML=html+options.text;el.href="#";L.DomEvent.on(el,"click",L.DomEvent.stopPropagation).on(el,"mousedown",L.DomEvent.stopPropagation).on(el,"dblclick",L.DomEvent.stopPropagation).on(el,"click",L.DomEvent.preventDefault).on(el,"click",callback);return{id:L.Util.stamp(el),el:el,callback:callback}},_removeItem:function(id){var item,el,i,l;for(i=0,l=this._items.length;i<l;i++){item=this._items[i];if(item.id===id){el=item.el;callback=item.callback;if(callback){L.DomEvent.off(el,"click",L.DomEvent.stopPropagation).off(el,"mousedown",L.DomEvent.stopPropagation).off(el,"dblclick",L.DomEvent.stopPropagation).off(el,"click",L.DomEvent.preventDefault).off(el,"click",item.callback)}this._container.removeChild(el);this._items.splice(i,1);return item}}return null},_createSeparator:function(container,index){var el=this._insertElementAt("div",L.Map.ContextMenu.BASE_CLS+"-separator",container,index);return{id:L.Util.stamp(el),el:el}},_createEventHandler:function(el,func,context){var me=this,map=this._map,disabledCls=L.Map.ContextMenu.BASE_CLS+"-item-disabled";return function(e){if(L.DomUtil.hasClass(el,disabledCls)){return}me._hide();func.call(context||map,me._showLocation);me._map.fire("contextmenu:select",{contextmenu:me,el:el})}},_insertElementAt:function(tagName,className,container,index){var refEl,el=document.createElement(tagName);el.className=className;if(index!==undefined){refEl=container.children[index]}if(refEl){container.insertBefore(el,refEl)}else{container.appendChild(el)}return el},_show:function(e){this._showAtPoint(e.containerPoint)},_showAtPoint:function(pt,data){if(!this._visible&&this._items.length){var map=this._map,layerPoint=map.containerPointToLayerPoint(pt),latlng=map.layerPointToLatLng(layerPoint),event={contextmenu:this};if(data){event=L.extend(data,event)}this._showLocation={latlng:latlng,layerPoint:layerPoint,containerPoint:pt};this._setPosition(pt);this._container.style.display="block";this._visible=true;this._map.fire("contextmenu.show",event)}},_hide:function(){if(this._visible){this._container.style.display="none";this._visible=false;this._map.fire("contextmenu.hide",{contextmenu:this})}},_setPosition:function(pt){var mapSize=this._map.getSize(),container=this._container,containerSize=this._getElementSize(container);container._leaflet_pos=pt;if(pt.x+containerSize.x>mapSize.x){container.style.left="auto";container.style.right=mapSize.x-pt.x+"px"}else{container.style.left=pt.x+"px";container.style.right="auto"}if(pt.y+containerSize.y>mapSize.y){container.style.top="auto";container.style.bottom=mapSize.y-pt.y+"px"}else{container.style.top=pt.y+"px";container.style.bottom="auto"}},_getElementSize:function(el){var size=this._size;if(!size||this._sizeChanged){size={};el.style.left="-999999px";el.style.right="auto";el.style.display="block";size.x=el.offsetWidth;size.y=el.offsetHeight;el.style.left="auto";el.style.display="none";this._sizeChanged=false}return size},_onKeyDown:function(e){var key=e.keyCode;if(key===27&&this._visible){this._hide()}}});L.Map.addInitHook("addHandler","contextmenu",L.Map.ContextMenu);L.Mixin.ContextMenu={_initContextMenu:function(){this._items=[];this.on("contextmenu",this._showContextMenu,this)},_showContextMenu:function(e){var itemOptions,pt,i,l;if(this._map.contextmenu){pt=this._map.mouseEventToContainerPoint(e.originalEvent);for(i=0,l=this.options.contextmenuItems.length;i<l;i++){itemOptions=this.options.contextmenuItems[i];this._items.push(this._map.contextmenu.insertItem(itemOptions,itemOptions.index))}this._map.once("contextmenu.hide",this._hideContextMenu,this);this._map.contextmenu.showAt(pt,{relatedTarget:this})}},_hideContextMenu:function(){var i,l;for(i=0,l=this._items.length;i<l;i++){this._map.contextmenu.removeItem(this._items[i])}this._items.length=0}};L.Marker.mergeOptions({contextmenu:false,contextmenuItems:[]});L.Marker.addInitHook(function(){if(this.options.contextmenu){this._initContextMenu()}});L.Marker.include(L.Mixin.ContextMenu);