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[nominatim-ui.git] / dist / assets / js / Control.MiniMap.min.js

(function(factory,window){if(typeof define==="function"&&define.amd){define(["leaflet"],factory)}else if(typeof exports==="object"){module.exports=factory(require("leaflet"))}if(typeof window!=="undefined"&&window.L){window.L.Control.MiniMap=factory(L);window.L.control.minimap=function(layer,options){return new window.L.Control.MiniMap(layer,options)}}})(function(L){var MiniMap=L.Control.extend({includes:L.Evented?L.Evented.prototype:L.Mixin.Events,options:{position:"bottomright",toggleDisplay:false,zoomLevelOffset:-5,zoomLevelFixed:false,centerFixed:false,zoomAnimation:false,autoToggleDisplay:false,minimized:false,width:150,height:150,collapsedWidth:19,collapsedHeight:19,aimingRectOptions:{color:"#ff7800",weight:1,clickable:false},shadowRectOptions:{color:"#000000",weight:1,clickable:false,opacity:0,fillOpacity:0},strings:{hideText:"Hide MiniMap",showText:"Show MiniMap"},mapOptions:{}},initialize:function(layer,options){L.Util.setOptions(this,options);this.options.aimingRectOptions.clickable=false;this.options.shadowRectOptions.clickable=false;this._layer=layer},onAdd:function(map){this._mainMap=map;this._container=L.DomUtil.create("div","leaflet-control-minimap");this._container.style.width=this.options.width+"px";this._container.style.height=this.options.height+"px";L.DomEvent.disableClickPropagation(this._container);L.DomEvent.on(this._container,"mousewheel",L.DomEvent.stopPropagation);var mapOptions={attributionControl:false,dragging:!this.options.centerFixed,zoomControl:false,zoomAnimation:this.options.zoomAnimation,autoToggleDisplay:this.options.autoToggleDisplay,touchZoom:this.options.centerFixed?"center":!this._isZoomLevelFixed(),scrollWheelZoom:this.options.centerFixed?"center":!this._isZoomLevelFixed(),doubleClickZoom:this.options.centerFixed?"center":!this._isZoomLevelFixed(),boxZoom:!this._isZoomLevelFixed(),crs:map.options.crs};mapOptions=L.Util.extend(this.options.mapOptions,mapOptions);this._miniMap=new L.Map(this._container,mapOptions);this._miniMap.addLayer(this._layer);this._mainMapMoving=false;this._miniMapMoving=false;this._userToggledDisplay=false;this._minimized=false;if(this.options.toggleDisplay){this._addToggleButton()}this._miniMap.whenReady(L.Util.bind(function(){this._aimingRect=L.rectangle(this._mainMap.getBounds(),this.options.aimingRectOptions).addTo(this._miniMap);this._shadowRect=L.rectangle(this._mainMap.getBounds(),this.options.shadowRectOptions).addTo(this._miniMap);this._mainMap.on("moveend",this._onMainMapMoved,this);this._mainMap.on("move",this._onMainMapMoving,this);this._miniMap.on("movestart",this._onMiniMapMoveStarted,this);this._miniMap.on("move",this._onMiniMapMoving,this);this._miniMap.on("moveend",this._onMiniMapMoved,this)},this));return this._container},addTo:function(map){L.Control.prototype.addTo.call(this,map);var center=this.options.centerFixed||this._mainMap.getCenter();this._miniMap.setView(center,this._decideZoom(true));this._setDisplay(this.options.minimized);return this},onRemove:function(map){this._mainMap.off("moveend",this._onMainMapMoved,this);this._mainMap.off("move",this._onMainMapMoving,this);this._miniMap.off("moveend",this._onMiniMapMoved,this);this._miniMap.removeLayer(this._layer)},changeLayer:function(layer){this._miniMap.removeLayer(this._layer);this._layer=layer;this._miniMap.addLayer(this._layer)},_addToggleButton:function(){this._toggleDisplayButton=this.options.toggleDisplay?this._createButton("",this._toggleButtonInitialTitleText(),"leaflet-control-minimap-toggle-display leaflet-control-minimap-toggle-display-"+this.options.position,this._container,this._toggleDisplayButtonClicked,this):undefined;this._toggleDisplayButton.style.width=this.options.collapsedWidth+"px";this._toggleDisplayButton.style.height=this.options.collapsedHeight+"px"},_toggleButtonInitialTitleText:function(){if(this.options.minimized){return this.options.strings.showText}else{return this.options.strings.hideText}},_createButton:function(html,title,className,container,fn,context){var link=L.DomUtil.create("a",className,container);link.innerHTML=html;link.href="#";link.title=title;var stop=L.DomEvent.stopPropagation;L.DomEvent.on(link,"click",stop).on(link,"mousedown",stop).on(link,"dblclick",stop).on(link,"click",L.DomEvent.preventDefault).on(link,"click",fn,context);return link},_toggleDisplayButtonClicked:function(){this._userToggledDisplay=true;if(!this._minimized){this._minimize()}else{this._restore()}},_setDisplay:function(minimize){if(minimize!==this._minimized){if(!this._minimized){this._minimize()}else{this._restore()}}},_minimize:function(){if(this.options.toggleDisplay){this._container.style.width=this.options.collapsedWidth+"px";this._container.style.height=this.options.collapsedHeight+"px";this._toggleDisplayButton.className+=" minimized-"+this.options.position;this._toggleDisplayButton.title=this.options.strings.showText}else{this._container.style.display="none"}this._minimized=true;this._onToggle()},_restore:function(){if(this.options.toggleDisplay){this._container.style.width=this.options.width+"px";this._container.style.height=this.options.height+"px";this._toggleDisplayButton.className=this._toggleDisplayButton.className.replace("minimized-"+this.options.position,"");this._toggleDisplayButton.title=this.options.strings.hideText}else{this._container.style.display="block"}this._minimized=false;this._onToggle()},_onMainMapMoved:function(e){if(!this._miniMapMoving){var center=this.options.centerFixed||this._mainMap.getCenter();this._mainMapMoving=true;this._miniMap.setView(center,this._decideZoom(true));this._setDisplay(this._decideMinimized())}else{this._miniMapMoving=false}this._aimingRect.setBounds(this._mainMap.getBounds())},_onMainMapMoving:function(e){this._aimingRect.setBounds(this._mainMap.getBounds())},_onMiniMapMoveStarted:function(e){if(!this.options.centerFixed){var lastAimingRect=this._aimingRect.getBounds();var sw=this._miniMap.latLngToContainerPoint(lastAimingRect.getSouthWest());var ne=this._miniMap.latLngToContainerPoint(lastAimingRect.getNorthEast());this._lastAimingRectPosition={sw:sw,ne:ne}}},_onMiniMapMoving:function(e){if(!this.options.centerFixed){if(!this._mainMapMoving&&this._lastAimingRectPosition){this._shadowRect.setBounds(new L.LatLngBounds(this._miniMap.containerPointToLatLng(this._lastAimingRectPosition.sw),this._miniMap.containerPointToLatLng(this._lastAimingRectPosition.ne)));this._shadowRect.setStyle({opacity:1,fillOpacity:.3})}}},_onMiniMapMoved:function(e){if(!this._mainMapMoving){this._miniMapMoving=true;this._mainMap.setView(this._miniMap.getCenter(),this._decideZoom(false));this._shadowRect.setStyle({opacity:0,fillOpacity:0})}else{this._mainMapMoving=false}},_isZoomLevelFixed:function(){var zoomLevelFixed=this.options.zoomLevelFixed;return this._isDefined(zoomLevelFixed)&&this._isInteger(zoomLevelFixed)},_decideZoom:function(fromMaintoMini){if(!this._isZoomLevelFixed()){if(fromMaintoMini){return this._mainMap.getZoom()+this.options.zoomLevelOffset}else{var currentDiff=this._miniMap.getZoom()-this._mainMap.getZoom();var proposedZoom=this._miniMap.getZoom()-this.options.zoomLevelOffset;var toRet;if(currentDiff>this.options.zoomLevelOffset&&this._mainMap.getZoom()<this._miniMap.getMinZoom()-this.options.zoomLevelOffset){if(this._miniMap.getZoom()>this._lastMiniMapZoom){toRet=this._mainMap.getZoom()+1;this._miniMap.setZoom(this._miniMap.getZoom()-1)}else{toRet=this._mainMap.getZoom()}}else{toRet=proposedZoom}this._lastMiniMapZoom=this._miniMap.getZoom();return toRet}}else{if(fromMaintoMini){return this.options.zoomLevelFixed}else{return this._mainMap.getZoom()}}},_decideMinimized:function(){if(this._userToggledDisplay){return this._minimized}if(this.options.autoToggleDisplay){if(this._mainMap.getBounds().contains(this._miniMap.getBounds())){return true}return false}return this._minimized},_isInteger:function(value){return typeof value==="number"},_isDefined:function(value){return typeof value!=="undefined"},_onToggle:function(){L.Util.requestAnimFrame(function(){L.DomEvent.on(this._container,"transitionend",this._fireToggleEvents,this);if(!L.Browser.any3d){L.Util.requestAnimFrame(this._fireToggleEvents,this)}},this)},_fireToggleEvents:function(){L.DomEvent.off(this._container,"transitionend",this._fireToggleEvents,this);var data={minimized:this._minimized};this.fire(this._minimized?"minimize":"restore",data);this.fire("toggle",data)}});L.Map.mergeOptions({miniMapControl:false});L.Map.addInitHook(function(){if(this.options.miniMapControl){this.miniMapControl=(new MiniMap).addTo(this)}});return MiniMap},window);