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<reference path=\"../../node_modules/@types/jquery/index.d.ts\" />\r\n/// <reference path=\"../../node_modules/@types/googlemaps/index.d.ts\" />\r\n\r\nclass MarkerWithPopup extends google.maps.Marker\r\n{\r\n    html: string;\r\n}\r\n\r\nmodule DBS.GoogleMap\r\n{\r\n    let xmlPath: string;\r\n    let mapId: string;\r\n\r\n    let map: google.maps.Map;\r\n    let infoWindow: google.maps.InfoWindow;\r\n    let initialZoom: boolean;\r\n\r\n    let directionsDisplay = new google.maps.DirectionsRenderer();\r\n    let directionsService = new google.maps.DirectionsService();\r\n    let placeMarkers = new Array<google.maps.Marker>();\r\n\r\n    function loadXmlDocument(xml: JQueryXHR): void\r\n    {\r\n        const placemarks = (xml.responseXML as XMLDocument).documentElement.getElementsByTagName(\"Placemark\");\r\n\r\n        map = new google.maps.Map(document.getElementById(mapId), {\r\n            zoom: 16,\r\n            center: new google.maps.LatLng(0, 0),\r\n            mapTypeId: google.maps.MapTypeId.ROADMAP\r\n        });\r\n\r\n        for (let i = 0; i < placemarks.length; i++)\r\n        {\r\n            const placemark = placemarks[i];\r\n\r\n            const name = placemarks[i].getElementsByTagName(\"name\")[0].firstChild.nodeValue;\r\n            const desc = placemarks[i].getElementsByTagName(\"description\")[0].childNodes[1].nodeValue;\r\n            const icon = placemarks[i].getElementsByTagName(\"iconHref\")[0].childNodes[1].nodeValue;\r\n\r\n            const coords = placemark.getElementsByTagName(\"coordinates\")[0].firstChild.nodeValue.split(\",\");\r\n            const point = new google.maps.LatLng(parseFloat(coords[1]), parseFloat(coords[0]));\r\n\r\n            const marker = new MarkerWithPopup({\r\n                map: map,\r\n                position: point,\r\n                title: name,\r\n                icon: icon\r\n            });\r\n            marker.html = `<h2>${name}</h2>${desc}`;\r\n\r\n            google.maps.event.addListener(marker, \"click\", function()\r\n            {\r\n                if (infoWindow != null)\r\n                {\r\n                    infoWindow.close();\r\n                }\r\n\r\n                infoWindow = new google.maps.InfoWindow({\r\n                    content: (this as MarkerWithPopup).html\r\n                });\r\n\r\n                infoWindow.open(map, this);\r\n            });\r\n\r\n            placeMarkers.push(marker);\r\n        }\r\n\r\n        findMapCenterAndZoom();\r\n        setupDirectionsBranchList();\r\n        setupHtmlBranchList();\r\n    }\r\n\r\n    function findMapCenterAndZoom(): void\r\n    {\r\n        if (map == null)\r\n        {\r\n            return;\r\n        }\r\n\r\n        const bounds = new google.maps.LatLngBounds();\r\n        placeMarkers.forEach((value: google.maps.Marker) =>\r\n        {\r\n            bounds.extend(value.getPosition());\r\n        });\r\n\r\n        google.maps.event.addListener(map, \"zoom_changed\", () =>\r\n        {\r\n            const zoomChangeBoundsListener = google.maps.event.addListener(map, \"bounds_changed\", function()\r\n            {\r\n                if (this.getZoom() > 12 && initialZoom)\r\n                {\r\n                    // Change max/min zoom here\r\n                    this.setZoom(12);\r\n                    initialZoom = false;\r\n                }\r\n                google.maps.event.removeListener(zoomChangeBoundsListener);\r\n            });\r\n        });\r\n\r\n        initialZoom = true;\r\n        map.fitBounds(bounds);\r\n    }\r\n\r\n    function setupDirectionsBranchList(): void\r\n    {\r\n        if (placeMarkers.length === 1)\r\n        {\r\n            const half = $(\"#google-map-to\").parent();\r\n            $(\"#google-map-from\").appendTo(half);\r\n            $(\"#google-map-to\").hide();\r\n            $(\"label[for=google-map-to]\").hide();\r\n        }\r\n\r\n        for (let i = 0; i < placeMarkers.length; i++)\r\n        {\r\n            $(\"<option />\")\r\n                .attr(\"value\", i)\r\n                .text(placeMarkers[i].getTitle())\r\n                .appendTo(\"select#google-map-to\");\r\n        }\r\n    }\r\n\r\n    function setupHtmlBranchList(): void\r\n    {\r\n        const element = document.getElementById(`${mapId}-branch-list`) as HTMLDivElement;\r\n        if (element == null)\r\n        {\r\n            return;\r\n        }\r\n\r\n        const branchList = document.createElement(\"ul\") as HTMLUListElement;\r\n\r\n        for (let i = 0; i < placeMarkers.length; i++)\r\n        {\r\n            const icon = placeMarkers[i].getIcon();\r\n            if (icon.toString().indexOf(\"spotlight-waypoint-a.png\") > -1)\r\n            {\r\n                continue;\r\n            }\r\n\r\n            const link = document.createElement(\"a\") as HTMLAnchorElement;\r\n            link.href = \"#\";\r\n            link.addEventListener(\"click\", (ev: Event) => (ev.preventDefault(), triggerMarkerClick(i)));\r\n            link.innerText = placeMarkers[i].getTitle();\r\n\r\n            const listItem = document.createElement(\"li\") as HTMLLIElement;\r\n            listItem.appendChild(link);\r\n\r\n            branchList.appendChild(listItem);\r\n        }\r\n\r\n        element.appendChild(branchList);\r\n    }\r\n\r\n    function fetchDirections(ev: MouseEvent): void\r\n    {\r\n        ev.preventDefault();\r\n\r\n        const fromAddress = (document.getElementById(`${mapId}-from`) as HTMLInputElement).value;\r\n        const destinationObj = (placeMarkers.length === 1\r\n                                    ? placeMarkers[0]\r\n                                    : placeMarkers[(document.getElementById(`${mapId}-to`) as HTMLSelectElement).value]) as google.maps.Marker;\r\n\r\n        directionsDisplay.setMap(map);\r\n        directionsDisplay.setPanel(document.getElementById(`${mapId}-directions`));\r\n\r\n        directionsService.route({\r\n            origin: fromAddress,\r\n            destination: destinationObj.getPosition(),\r\n            travelMode: google.maps.TravelMode.DRIVING,\r\n            unitSystem: google.maps.UnitSystem.IMPERIAL,\r\n            provideRouteAlternatives: true\r\n        }, presentDirections);\r\n    }\r\n\r\n    function presentDirections(result: google.maps.DirectionsResult, status: google.maps.DirectionsStatus): void\r\n    {\r\n        const directions = document.getElementById(`${mapId}-directions`) as HTMLDivElement;\r\n        const errorMsg = document.getElementById(`${mapId}-error`) as HTMLDivElement;\r\n\r\n        if (status === google.maps.DirectionsStatus.OK)\r\n        {\r\n            directions.style.display = \"block\";\r\n            errorMsg.style.display = \"none\";\r\n            directionsDisplay.setDirections(result);\r\n        }\r\n        else\r\n        {\r\n            directions.style.display = \"none\";\r\n            errorMsg.style.display = \"block\";\r\n        }\r\n    }\r\n\r\n    function triggerMarkerClick(i: number): void {\r\n        google.maps.event.trigger(placeMarkers[i], \"click\");\r\n        $(window).scrollTop($(`#${mapId}`).offset().top);\r\n    }\r\n\r\n    export function Initialize(XmlPath: string, MapId: string): void\r\n    {\r\n        xmlPath = XmlPath;\r\n        mapId = MapId;\r\n\r\n        $.ajax({\r\n            url: xmlPath,\r\n            complete: loadXmlDocument\r\n        });\r\n\r\n        const submitBtn = document.getElementById(`${mapId}-submit`);\r\n        submitBtn.addEventListener(\"click\", fetchDirections);\r\n    }\r\n}"]}