contao-leaflet-libraries/assets/leaflet-loading/Control.Loading.min.js

!function(){function o(o){o.Control.Loading=o.Control.extend({options:{delayIndicator:null,position:"topleft",separate:!1,zoomControl:null,spinjs:!1,spin:{lines:7,length:3,width:3,radius:5,rotate:13,top:"83%"}},initialize:function(t){o.setOptions(this,t),this._dataLoaders={},null!==this.options.zoomControl&&(this.zoomControl=this.options.zoomControl)},onAdd:function(n){if(this.options.spinjs&&"function"!=typeof Spinner)return t.error("Leaflet.loading cannot load because you didn't load spin.js (http://fgnass.github.io/spin.js/), even though you set it in options.");this._addLayerListeners(n),this._addMapListeners(n),this.options.separate||this.zoomControl||(n.zoomControl?this.zoomControl=n.zoomControl:n.zoomsliderControl&&(this.zoomControl=n.zoomsliderControl));var i,a="leaflet-control-loading";return this.zoomControl&&!this.options.separate?(i=this.zoomControl._container,a+=" leaflet-bar-part-bottom leaflet-bar-part last",o.DomUtil.addClass(this._getLastControlButton(),"leaflet-bar-part-bottom")):i=o.DomUtil.create("div","leaflet-control-zoom leaflet-bar"),this._indicator=o.DomUtil.create("a",a,i),this.options.spinjs&&(this._spinner=new Spinner(this.options.spin).spin(),this._indicator.appendChild(this._spinner.el)),i},onRemove:function(o){this._removeLayerListeners(o),this._removeMapListeners(o)},removeFrom:function(t){return this.zoomControl&&!this.options.separate?(this._container.removeChild(this._indicator),this._map=null,this.onRemove(t),this):o.Control.prototype.removeFrom.call(this,t)},addLoader:function(o){if(this._dataLoaders[o]=!0,this.options.delayIndicator&&!this.delayIndicatorTimeout){var t=this;this.delayIndicatorTimeout=setTimeout(function(){t.updateIndicator(),t.delayIndicatorTimeout=null},this.options.delayIndicator)}else this.updateIndicator()},removeLoader:function(o){delete this._dataLoaders[o],this.updateIndicator(),this.options.delayIndicator&&this.delayIndicatorTimeout&&!this.isLoading()&&(clearTimeout(this.delayIndicatorTimeout),this.delayIndicatorTimeout=null)},updateIndicator:function(){this.isLoading()?this._showIndicator():this._hideIndicator()},isLoading:function(){return this._countLoaders()>0},_countLoaders:function(){var o,t=0;for(o in this._dataLoaders)this._dataLoaders.hasOwnProperty(o)&&t++;return t},_showIndicator:function(){o.DomUtil.addClass(this._indicator,"is-loading"),this.options.separate||(this.zoomControl instanceof o.Control.Zoom?o.DomUtil.removeClass(this._getLastControlButton(),"leaflet-bar-part-bottom"):"function"==typeof o.Control.Zoomslider&&this.zoomControl instanceof o.Control.Zoomslider&&o.DomUtil.removeClass(this.zoomControl._ui.zoomOut,"leaflet-bar-part-bottom"))},_hideIndicator:function(){o.DomUtil.removeClass(this._indicator,"is-loading"),this.options.separate||(this.zoomControl instanceof o.Control.Zoom?o.DomUtil.addClass(this._getLastControlButton(),"leaflet-bar-part-bottom"):"function"==typeof o.Control.Zoomslider&&this.zoomControl instanceof o.Control.Zoomslider&&o.DomUtil.addClass(this.zoomControl._ui.zoomOut,"leaflet-bar-part-bottom"))},_getLastControlButton:function(){for(var o=this.zoomControl._container,t=o.children.length-1;t>0;){var n=o.children[t];if(this._indicator!==n&&0!==n.offsetWidth&&0!==n.offsetHeight)break;t--}return o.children[t]},_handleLoading:function(o){this.addLoader(this.getEventId(o))},_handleBaseLayerChange:function(t){var n=this;t.layer&&t.layer.eachLayer&&"function"==typeof t.layer.eachLayer?t.layer.eachLayer(function(o){n._handleBaseLayerChange({layer:o})}):o.TileLayer.Canvas&&t.layer instanceof o.TileLayer.Canvas||n._handleLoading(t)},_handleLoad:function(o){this.removeLoader(this.getEventId(o))},getEventId:function(o){return o.id?o.id:o.layer?o.layer._leaflet_id:o.target._leaflet_id},_layerAdd:function(o){if(o.layer&&o.layer.on)try{o.layer.on({loading:this._handleLoading,load:this._handleLoad},this)}catch(n){t.warn("L.Control.Loading: Tried and failed to add  event handlers to layer",o.layer),t.warn("L.Control.Loading: Full details",n)}},_layerRemove:function(o){if(o.layer&&o.layer.off)try{o.layer.off({loading:this._handleLoading,load:this._handleLoad},this)}catch(n){t.warn("L.Control.Loading: Tried and failed to remove event handlers from layer",o.layer),t.warn("L.Control.Loading: Full details",n)}},_addLayerListeners:function(o){o.eachLayer(function(o){o.on&&o.on({loading:this._handleLoading,load:this._handleLoad},this)},this),o.on("layeradd",this._layerAdd,this),o.on("layerremove",this._layerRemove,this)},_removeLayerListeners:function(o){o.eachLayer(function(o){o.off&&o.off({loading:this._handleLoading,load:this._handleLoad},this)},this),o.off("layeradd",this._layerAdd,this),o.off("layerremove",this._layerRemove,this)},_addMapListeners:function(o){o.on({baselayerchange:this._handleBaseLayerChange,dataloading:this._handleLoading,dataload:this._handleLoad,layerremove:this._handleLoad},this)},_removeMapListeners:function(o){o.off({baselayerchange:this._handleBaseLayerChange,dataloading:this._handleLoading,dataload:this._handleLoad,layerremove:this._handleLoad},this)}}),o.Map.addInitHook(function(){this.options.loadingControl&&(this.loadingControl=new o.Control.Loading,this.addControl(this.loadingControl))}),o.Control.loading=function(t){return new o.Control.Loading(t)}}var t=window.console||{error:function(){},warn:function(){}};"function"==typeof define&&define.amd?define(["leaflet"],function(t){o(t)}):o(L)}();