skeate/Leaflet.timeline

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i.IntervalTree;t.GeoJSON.prototype.initialize.call(this,null,n),t.Util.setOptions(this,{drawOnSetTime:!0}),t.Util.setOptions(this,n),this.options.getInterval&&(this._getInterval=t=>this.options.getInterval(t)),e&&this._process(e)},_getInterval(t){if(t.properties&&"start"in t.properties&&"end"in t.properties){const{startExclusive:e,endExclusive:i}=t.properties;return{start:new Date(t.properties.start).getTime(),end:new Date(t.properties.end).getTime(),startExclusive:!0===e||"true"===e,endExclusive:!0===i||"true"===i}}return!1},_process(t){if(t.features.forEach((t=>{const e=this._getInterval(t);e&&(this.ranges.insert(e.start+(e.startExclusive?1:0),e.end-(e.endExclusive?1:0),t),this.times.push(e.start),this.times.push(e.end))})),0===this.times.length)return this.start=this.options.start??1/0,this.end=this.options.end??-1/0,void(this.time=this.start);this.times.sort(((t,e)=>t-e)),this.times=this.times.reduce(((t,e,i)=>{if(0===i)return t;return t[t.length-1]!==e&&t.push(e),t}),[this.times[0]]),this.start=this.options.start??this.times[0],this.end=this.options.end??this.times[this.times.length-1],this.time=this.start},setTime(t){this.time="number"==typeof t?t:new Date(t).getTime(),this.options.drawOnSetTime&&this.updateDisplayedLayers(),this.fire("change")},updateDisplayedLayers(){const t=this.ranges.lookup(this.time),e=this.getLayers(),i=[];e.forEach((e=>{let n=!1;for(let i=0;i<t.length;i++)if(e.feature===t[i]){n=!0,t.splice(i,1);break}n||i.push(e)})),i.forEach((t=>this.removeLayer(t))),t.forEach((t=>this.addData(t)))}}),t.timeline=(e,i)=>new t.Timeline(e,i),t.TimelineSliderControl=t.Control.extend({initialize(e={}){this.timelines=[],t.Util.setOptions(this,{duration:1e4,enableKeyboardControls:!1,enablePlayback:!0,formatOutput:t=>`${t||""}`,showTicks:!0,waitToUpdateMap:!1,position:"bottomleft",steps:1e3,autoPlay:!1}),t.Util.setOptions(this,e),this.start=e.start||0,this.end=e.end||0},_getTimes(){const t=[];if(this.timelines.forEach((e=>{const i=e.times.filter((t=>t>=this.start&&t<=this.end));t.push(...i)})),t.length){t.sort(((t,e)=>t-e));const e=[t[0]];return t.reduce(((t,i)=>(t!==i&&e.push(i),i))),e}return t},_recalculate(){const t=void 0!==this.options.start,e=void 0!==this.options.end,i=this.options.duration;let n=1/0,r=-1/0;this.timelines.forEach((t=>{t.start<n&&(n=t.start),t.end>r&&(r=t.end)})),t||(this.start=n,this._timeSlider.min=(n===1/0?0:n).toString(),this._timeSlider.value=this._timeSlider.min),e||(this.end=r,this._timeSlider.max=(r===-1/0?0:r).toString()),this._stepSize=Math.max(1,(this.end-this.start)/this.options.steps),this._stepDuration=Math.max(1,i/this.options.steps)},_nearestEventTime(t,e=1){const i=this._getTimes();let n=!1,r=i[0];for(let o=1;o<i.length;o++){const s=i[o];if(n)return s;if(s>=t){if(-1===e)return r;if(s!==t)return s;n=!0}r=s}return r},_createDOM(){const e=t.DomUtil.create("div",["leaflet-control-layers","leaflet-control-layers-expanded","leaflet-timeline-control"].join(" "));if(this.container=e,this.options.enablePlayback){const i=t.DomUtil.create("div","sldr-ctrl-container",e),n=t.DomUtil.create("div","button-container",i);this._makeButtons(n),this.options.enableKeyboardControls&&this._addKeyListeners(),this._makeOutput(i)}this._makeSlider(e),this.options.showTicks&&this._buildDataList(e),this.options.autoPlay&&this._autoPlay()},_addKeyListeners(){this._listener=t=>this._onKeydown(t),document.addEventListener("keydown",this._listener)},_removeKeyListeners(){document.removeEventListener("keydown",this._listener)},_buildDataList(e){this._datalist=t.DomUtil.create("datalist","",e);const i=Math.floor(1e6*Math.random());this._datalist.id=`timeline-datalist-${i}`,this._timeSlider.setAttribute("list",this._datalist.id),this._rebuildDataList()},_rebuildDataList(){const e=this._datalist;if(!e)return;for(;e.firstChild;)e.removeChild(e.firstChild);const i=t.DomUtil.create("select","",this._datalist);i.setAttribute("aria-label","List of times"),this._getTimes().forEach((e=>{t.DomUtil.create("option","",i).value=e.toString()}))},_makeButton(e,i){const n=t.DomUtil.create("button",i,e);n.setAttribute("aria-label",i),n.addEventListener("click",(()=>this[i]())),t.DomEvent.disableClickPropagation(n)},_makeButtons(t){this._makeButton(t,"prev"),this._makeButton(t,"play"),this._makeButton(t,"pause"),this._makeButton(t,"next")},_disableMapDragging(){this.map.dragging.disable()},_enableMapDragging(){this.map.dragging.enable()},_makeSlider(e){const i=t.DomUtil.create("input","time-slider",e);i.setAttribute("aria-label","Slider"),i.type="range",i.min=(this.start||0).toString(),i.max=(this.end||0).toString(),i.value=(this.start||0).toString(),this._timeSlider=i,t.DomEvent.on(this._timeSlider,"mousedown mouseup click touchstart",t.DomEvent.stopPropagation),t.DomEvent.on(this._timeSlider,"change input",this._sliderChanged,this),t.DomEvent.on(this._timeSlider,"mouseenter",this._disableMapDragging,this),t.DomEvent.on(this._timeSlider,"mouseleave",this._enableMapDragging,this)},_makeOutput(e){this._output=t.DomUtil.create("output","time-text",e),this._output.innerHTML=this.options.formatOutput(this.start)},_onKeydown(t){let e=t.target||t.srcElement;if(!/INPUT|TEXTAREA/.test(e.tagName)){switch(t.keyCode||t.which){case 37:this.prev();break;case 39:this.next();break;case 32:this.toggle();break;default:return}t.preventDefault()}},_sliderChanged(t){const{target:e}=t,i=parseFloat(e instanceof HTMLInputElement?e.value:"0");this._setTime(i,t.type)},_setTime(t,e){this.time=t,this.options.waitToUpdateMap&&"change"!==e||this.timelines.forEach((e=>e.setTime(t))),this._output&&(this._output.innerHTML=this.options.formatOutput(t))},_resetIfTimelinesChanged(t){this.timelines.length!==t&&(this._recalculate(),this.options.showTicks&&this._rebuildDataList(),this.setTime(this.start))},_autoPlay(){"loading"===document.readyState?window.addEventListener("load",(()=>this._autoPlay())):this.play()},addTimelines(...t){this.pause();const e=this.timelines.length;t.forEach((t=>{-1===this.timelines.indexOf(t)&&this.timelines.push(t)})),this._resetIfTimelinesChanged(e)},removeTimelines(...t){this.pause();const e=this.timelines.length;t.forEach((t=>{const e=this.timelines.indexOf(t);-1!==e&&this.timelines.splice(e,1)})),this._resetIfTimelinesChanged(e)},toggle(){this._playing?this.pause():this.play()},prev(){this.pause();const t=this._nearestEventTime(this.time,-1);this._timeSlider.value=t.toString(),this.setTime(t)},pause(t){window.clearTimeout(this._timer),this._playing=!1,this.container?.classList.remove("playing"),this.syncedControl&&!t&&this.syncedControl.map((function(t){t.pause(!0)}))},play(t){window.clearTimeout(this._timer),parseFloat(this._timeSlider.value)===this.end&&(this._timeSlider.value=this.start.toString()),this._timeSlider.value=(parseFloat(this._timeSlider.value)+this._stepSize).toString(),this.setTime(+this._timeSlider.value),parseFloat(this._timeSlider.value)===this.end?(this._playing=!1,this.container?.classList.remove("playing")):(this._playing=!0,this.container?.classList.add("playing"),this._timer=window.setTimeout((()=>this.play(!0)),this._stepDuration)),this.syncedControl&&!t&&this.syncedControl.map((function(t){t.play(!0)}))},next(){this.pause();const t=this._nearestEventTime(this.time,1);this._timeSlider.value=t.toString(),this.setTime(t)},setTime(t){this._timeSlider&&(this._timeSlider.value=t.toString()),this._setTime(t,"change")},onAdd(t){return this.map=t,this._createDOM(),this.setTime(this.start),this.container},onRemove(){this.options.enableKeyboardControls&&this._removeKeyListeners(),t.DomEvent.off(this._timeSlider,"change input",this._sliderChanged,this),t.DomEvent.off(this._timeSlider,"pointerdown mousedown touchstart",this._disableMapDragging,this),t.DomEvent.off(document.body,"pointerup mouseup touchend",this._enableMapDragging,this),this._enableMapDragging()},syncControl(t){this.syncedControl||(this.syncedControl=[]),this.syncedControl.push(t)}}),t.timelineSliderControl=e=>new t.TimelineSliderControl(e);!function(t,e){void 0===e&&(e={});var i=e.insertAt;if(t&&"undefined"!=typeof document){var n=document.head||document.getElementsByTagName("head")[0],r=document.createElement("style");r.type="text/css","top"===i&&n.firstChild?n.insertBefore(r,n.firstChild):n.appendChild(r),r.styleSheet?r.styleSheet.cssText=t:r.appendChild(document.createTextNode(t))}}('.leaflet-control.leaflet-timeline-control {\n  width: 96%;\n  box-sizing: border-box;\n  margin: 2%;\n  margin-bottom: 20px;\n  text-align: center;\n}\n.leaflet-control.leaflet-timeline-control * {\n  vertical-align: middle;\n}\n.leaflet-control.leaflet-timeline-control input[type="range"] {\n  width: 80%;\n}\n.leaflet-control.leaflet-timeline-control .sldr-ctrl-container {\n  float: left;\n  width: 15%;\n  box-sizing: border-box;\n}\n.leaflet-control.leaflet-timeline-control .button-container button {\n  position: relative;\n  width: 20%;\n  height: 20px;\n}\n.leaflet-control.leaflet-timeline-control .button-container button::before,\n.leaflet-control.leaflet-timeline-control .button-container button::after {\n  content: "";\n  position: absolute;\n}\n.leaflet-control.leaflet-timeline-control\n  .button-container\n  button.play::before {\n  border: 7px solid transparent;\n  border-width: 7px 0 7px 10px;\n  border-left-color: black;\n  margin-top: -7px;\n  background: transparent;\n  margin-left: -5px;\n}\n.leaflet-control.leaflet-timeline-control .button-container button.pause {\n  display: none;\n}\n.leaflet-control.leaflet-timeline-control\n  .button-container\n  button.pause::before {\n  width: 4px;\n  height: 14px;\n  border: 4px solid black;\n  border-width: 0 4px;\n  margin-top: -7px;\n  margin-left: -6px;\n  background: transparent;\n}\n.leaflet-control.leaflet-timeline-control .button-container button.prev::before,\n.leaflet-control.leaflet-timeline-control .button-container button.prev::after {\n  margin: -8px 0 0;\n  background: black;\n}\n.leaflet-control.leaflet-timeline-control\n  .button-container\n  button.prev::before {\n  width: 2px;\n  height: 14px;\n  margin-top: -7px;\n  margin-left: -7px;\n}\n.leaflet-control.leaflet-timeline-control .button-container button.prev::after {\n  border: 7px solid transparent;\n  border-width: 7px 10px 7px 0;\n  border-right-color: black;\n  margin-top: -7px;\n  margin-left: -5px;\n  background: transparent;\n}\n.leaflet-control.leaflet-timeline-control .button-container button.next::before,\n.leaflet-control.leaflet-timeline-control .button-container button.next::after {\n  margin: -8px 0 0;\n  background: black;\n}\n.leaflet-control.leaflet-timeline-control\n  .button-container\n  button.next::before {\n  width: 2px;\n  height: 14px;\n  margin-top: -7px;\n  margin-left: 5px;\n}\n.leaflet-control.leaflet-timeline-control .button-container button.next::after {\n  border: 7px solid transparent;\n  border-width: 7px 0 7px 10px;\n  border-left-color: black;\n  margin-top: -7px;\n  margin-left: -5px;\n  background: transparent;\n}\n.leaflet-control.leaflet-timeline-control.playing button.pause {\n  display: inline-block;\n}\n.leaflet-control.leaflet-timeline-control.playing button.play {\n  display: none;\n}\n')}(L);