7 lines
8.8 KiB
JavaScript
7 lines
8.8 KiB
JavaScript
/*
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Leaflet.contextmenu, a context menu for Leaflet.
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(c) 2015, Adam Ratcliffe, GeoSmart Maps Limited
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@preserve
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*/
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(function(t){var e;if(typeof define==="function"&&define.amd){define(["leaflet"],t)}else if(typeof module==="object"&&typeof module.exports==="object"){e=require("leaflet");module.exports=t(e)}else{if(typeof window.L==="undefined"){throw new Error("Leaflet must be loaded first")}t(window.L)}})(function(t){t.Map.mergeOptions({contextmenuItems:[]});t.Map.ContextMenu=t.Handler.extend({_touchstart:t.Browser.msPointer?"MSPointerDown":t.Browser.pointer?"pointerdown":"touchstart",statics:{BASE_CLS:"leaflet-contextmenu"},initialize:function(e){t.Handler.prototype.initialize.call(this,e);this._items=[];this._visible=false;var n=this._container=t.DomUtil.create("div",t.Map.ContextMenu.BASE_CLS,e._container);n.style.zIndex=1e4;n.style.position="absolute";if(e.options.contextmenuWidth){n.style.width=e.options.contextmenuWidth+"px"}this._createItems();t.DomEvent.on(n,"click",t.DomEvent.stop).on(n,"mousedown",t.DomEvent.stop).on(n,"dblclick",t.DomEvent.stop).on(n,"contextmenu",t.DomEvent.stop)},addHooks:function(){var e=this._map.getContainer();t.DomEvent.on(e,"mouseleave",this._hide,this).on(document,"keydown",this._onKeyDown,this);if(t.Browser.touch){t.DomEvent.on(document,this._touchstart,this._hide,this)}this._map.on({contextmenu:this._show,mousedown:this._hide,zoomstart:this._hide},this)},removeHooks:function(){var e=this._map.getContainer();t.DomEvent.off(e,"mouseleave",this._hide,this).off(document,"keydown",this._onKeyDown,this);if(t.Browser.touch){t.DomEvent.off(document,this._touchstart,this._hide,this)}this._map.off({contextmenu:this._show,mousedown:this._hide,zoomstart:this._hide},this)},showAt:function(e,n){if(e instanceof t.LatLng){e=this._map.latLngToContainerPoint(e)}this._showAtPoint(e,n)},hide:function(){this._hide()},addItem:function(t){return this.insertItem(t)},insertItem:function(t,e){e=e!==undefined?e:this._items.length;var n=this._createItem(this._container,t,e);this._items.push(n);this._sizeChanged=true;this._map.fire("contextmenu.additem",{contextmenu:this,el:n.el,index:e});return n.el},removeItem:function(e){var n=this._container;if(!isNaN(e)){e=n.children[e]}if(e){this._removeItem(t.Util.stamp(e));this._sizeChanged=true;this._map.fire("contextmenu.removeitem",{contextmenu:this,el:e});return e}return null},removeAllItems:function(){var e=this._container.children,n;while(e.length){n=e[0];this._removeItem(t.Util.stamp(n))}return e},hideAllItems:function(){var t,e,n;for(e=0,n=this._items.length;e<n;e++){t=this._items[e];t.el.style.display="none"}},showAllItems:function(){var t,e,n;for(e=0,n=this._items.length;e<n;e++){t=this._items[e];t.el.style.display=""}},setDisabled:function(e,n){var i=this._container,o=t.Map.ContextMenu.BASE_CLS+"-item";if(!isNaN(e)){e=i.children[e]}if(e&&t.DomUtil.hasClass(e,o)){if(n){t.DomUtil.addClass(e,o+"-disabled");this._map.fire("contextmenu.disableitem",{contextmenu:this,el:e})}else{t.DomUtil.removeClass(e,o+"-disabled");this._map.fire("contextmenu.enableitem",{contextmenu:this,el:e})}}},isVisible:function(){return this._visible},_createItems:function(){var t=this._map.options.contextmenuItems,e,n,i;for(n=0,i=t.length;n<i;n++){this._items.push(this._createItem(this._container,t[n]))}},_createItem:function(e,n,i){if(n.separator||n==="-"){return this._createSeparator(e,i)}var o=t.Map.ContextMenu.BASE_CLS+"-item",s=n.disabled?o+" "+o+"-disabled":o,h=this._insertElementAt("a",s,e,i),r=this._createEventHandler(h,n.callback,n.context,n.hideOnSelect),a=this._getIcon(n),m=this._getIconCls(n),u="";if(a){u='<img class="'+t.Map.ContextMenu.BASE_CLS+'-icon" src="'+a+'"/>'}else if(m){u='<span class="'+t.Map.ContextMenu.BASE_CLS+"-icon "+m+'"></span>'}h.innerHTML=u+n.text;h.href="#";t.DomEvent.on(h,"mouseover",this._onItemMouseOver,this).on(h,"mouseout",this._onItemMouseOut,this).on(h,"mousedown",t.DomEvent.stopPropagation).on(h,"click",r);if(t.Browser.touch){t.DomEvent.on(h,this._touchstart,t.DomEvent.stopPropagation)}if(!t.Browser.pointer){t.DomEvent.on(h,"click",this._onItemMouseOut,this)}return{id:t.Util.stamp(h),el:h,callback:r}},_removeItem:function(e){var n,i,o,s,h;for(o=0,s=this._items.length;o<s;o++){n=this._items[o];if(n.id===e){i=n.el;h=n.callback;if(h){t.DomEvent.off(i,"mouseover",this._onItemMouseOver,this).off(i,"mouseover",this._onItemMouseOut,this).off(i,"mousedown",t.DomEvent.stopPropagation).off(i,"click",h);if(t.Browser.touch){t.DomEvent.off(i,this._touchstart,t.DomEvent.stopPropagation)}if(!t.Browser.pointer){t.DomEvent.on(i,"click",this._onItemMouseOut,this)}}this._container.removeChild(i);this._items.splice(o,1);return n}}return null},_createSeparator:function(e,n){var i=this._insertElementAt("div",t.Map.ContextMenu.BASE_CLS+"-separator",e,n);return{id:t.Util.stamp(i),el:i}},_createEventHandler:function(e,n,i,o){var s=this,h=this._map,r=t.Map.ContextMenu.BASE_CLS+"-item-disabled",o=o!==undefined?o:true;return function(h){if(t.DomUtil.hasClass(e,r)){return}var a=s._map,m=s._showLocation.containerPoint,u=a.containerPointToLayerPoint(m),l=a.layerPointToLatLng(u),c=s._showLocation.relatedTarget,f={containerPoint:m,layerPoint:u,latlng:l,relatedTarget:c};if(o){s._hide()}if(n){n.call(i||a,f)}s._map.fire("contextmenu.select",{contextmenu:s,el:e})}},_insertElementAt:function(t,e,n,i){var o,s=document.createElement(t);s.className=e;if(i!==undefined){o=n.children[i]}if(o){n.insertBefore(s,o)}else{n.appendChild(s)}return s},_show:function(t){this._showAtPoint(t.containerPoint,t)},_showAtPoint:function(e,n){if(this._items.length){var i=this._map,o=t.extend(n||{},{contextmenu:this});this._showLocation={containerPoint:e};if(n&&n.relatedTarget){this._showLocation.relatedTarget=n.relatedTarget}this._setPosition(e);if(!this._visible){this._container.style.display="block";this._visible=true}this._map.fire("contextmenu.show",o)}},_hide:function(){if(this._visible){this._visible=false;this._container.style.display="none";this._map.fire("contextmenu.hide",{contextmenu:this})}},_getIcon:function(e){return t.Browser.retina&&e.retinaIcon||e.icon},_getIconCls:function(e){return t.Browser.retina&&e.retinaIconCls||e.iconCls},_setPosition:function(e){var n=this._map.getSize(),i=this._container,o=this._getElementSize(i),s;if(this._map.options.contextmenuAnchor){s=t.point(this._map.options.contextmenuAnchor);e=e.add(s)}i._leaflet_pos=e;if(e.x+o.x>n.x){i.style.left="auto";i.style.right=Math.min(Math.max(n.x-e.x,0),n.x-o.x-1)+"px"}else{i.style.left=Math.max(e.x,0)+"px";i.style.right="auto"}if(e.y+o.y>n.y){i.style.top="auto";i.style.bottom=Math.min(Math.max(n.y-e.y,0),n.y-o.y-1)+"px"}else{i.style.top=Math.max(e.y,0)+"px";i.style.bottom="auto"}},_getElementSize:function(t){var e=this._size,n=t.style.display;if(!e||this._sizeChanged){e={};t.style.left="-999999px";t.style.right="auto";t.style.display="block";e.x=t.offsetWidth;e.y=t.offsetHeight;t.style.left="auto";t.style.display=n;this._sizeChanged=false}return e},_onKeyDown:function(t){var e=t.keyCode;if(e===27){this._hide()}},_onItemMouseOver:function(e){t.DomUtil.addClass(e.target||e.srcElement,"over")},_onItemMouseOut:function(e){t.DomUtil.removeClass(e.target||e.srcElement,"over")}});t.Map.addInitHook("addHandler","contextmenu",t.Map.ContextMenu);t.Mixin.ContextMenu={bindContextMenu:function(e){t.setOptions(this,e);this._initContextMenu();return this},unbindContextMenu:function(){this.off("contextmenu",this._showContextMenu,this);return this},addContextMenuItem:function(t){this.options.contextmenuItems.push(t)},removeContextMenuItemWithIndex:function(t){var e=[];for(var n=0;n<this.options.contextmenuItems.length;n++){if(this.options.contextmenuItems[n].index==t){e.push(n)}}var i=e.pop();while(i!==undefined){this.options.contextmenuItems.splice(i,1);i=e.pop()}},replaceContextMenuItem:function(t){this.removeContextMenuItemWithIndex(t.index);this.addContextMenuItem(t)},_initContextMenu:function(){this._items=[];this.on("contextmenu",this._showContextMenu,this)},_showContextMenu:function(e){var n,i,o,s,h;if(this._map.contextmenu){i=t.extend({relatedTarget:this},e);o=this._map.mouseEventToContainerPoint(e.originalEvent);if(!this.options.contextmenuInheritItems){this._map.contextmenu.hideAllItems()}for(s=0,h=this.options.contextmenuItems.length;s<h;s++){n=this.options.contextmenuItems[s];this._items.push(this._map.contextmenu.insertItem(n,n.index))}this._map.once("contextmenu.hide",this._hideContextMenu,this);this._map.contextmenu.showAt(o,i)}},_hideContextMenu:function(){var t,e;for(t=0,e=this._items.length;t<e;t++){this._map.contextmenu.removeItem(this._items[t])}this._items.length=0;if(!this.options.contextmenuInheritItems){this._map.contextmenu.showAllItems()}}};var e=[t.Marker,t.Path],n={contextmenu:false,contextmenuItems:[],contextmenuInheritItems:true},i,o,s;for(o=0,s=e.length;o<s;o++){i=e[o];if(!i.prototype.options){i.prototype.options=n}else{i.mergeOptions(n)}i.addInitHook(function(){if(this.options.contextmenu){this._initContextMenu()}});i.include(t.Mixin.ContextMenu)}return t.Map.ContextMenu}); |