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To Title Case © 2018 David Gouch | https://github.com/gouch/to-title-case */\r\n\r\n// eslint-disable-next-line no-extend-native\r\nString.prototype.toTitleCase = function () {\r\n    'use strict'\r\n    var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|v.?|vs.?|via)$/i\r\n    var alphanumericPattern = /([A-Za-z0-9\\u00C0-\\u00FF])/\r\n    var wordSeparators = /([ :–—-])/\r\n\r\n    return this.split(wordSeparators)\r\n        .map(function (current, index, array) {\r\n            if (\r\n                /* Check for small words */\r\n                current.search(smallWords) > -1 &&\r\n                /* Skip first and last word */\r\n                index !== 0 &&\r\n                index !== array.length - 1 &&\r\n                /* Ignore title end and subtitle start */\r\n                array[index - 3] !== ':' &&\r\n                array[index + 1] !== ':' &&\r\n                /* Ignore small words that start a hyphenated phrase */\r\n                (array[index + 1] !== '-' ||\r\n                    (array[index - 1] === '-' && array[index + 1] === '-'))\r\n            ) {\r\n                return current.toLowerCase()\r\n            }\r\n\r\n            /* Ignore intentional capitalization */\r\n            if (current.substr(1).search(/[A-Z]|\\../) > -1) {\r\n                return current\r\n            }\r\n\r\n            /* Ignore URLs */\r\n            if (array[index + 1] === ':' && array[index + 2] !== '') {\r\n                return current\r\n            }\r\n\r\n            /* Capitalize the first letter */\r\n            return current.replace(alphanumericPattern, function (match) {\r\n                return match.toUpperCase()\r\n            })\r\n        })\r\n        .join('')\r\n}","var applicationLogging = function () {\r\n\r\n    var events;\r\n    var accessToken;\r\n\r\n    function init(loggingAccessToken) {       \r\n        events = nsgEvents.events();\r\n        accessToken = loggingAccessToken;\r\n        //data={\r\n        //  features,        \r\n        //  source\r\n        //}\r\n        events.addListener(nsg_events.mapPopupFeatureSelected, function (data) {            \r\n            for (var i = 0; i < data.features.length; i++) {\r\n                var usrn = data.features[i][\"usrn\"];                \r\n                logStreetSelection(usrn, data.source, data.query);\r\n            }           \r\n        });\r\n\r\n        events.addListener(\"search_printed\", function (data) {\r\n            logSearchPrint(data);\r\n        });\r\n        \r\n        events.addListener(nsgEvents.mapWfsRequest, function (data) {\r\n            logMapWfsRequest(data);\r\n        });\r\n    }\r\n\r\n    function logStreetSelection(usrn, source, query) {\r\n        //console.info(\"Logging usrn: \" + usrn + \" from source \" + source);\r\n\r\n        //fire & forget\r\n        var params = {\r\n            usrn: usrn,\r\n            source: source,\r\n            query: query\r\n        }      \r\n\r\n        $.ajax({\r\n            url: \"/api/geoplace/logging/LogStreetSelected\",\r\n            data: params,\r\n            headers: {\r\n                accesstoken: accessToken\r\n            }\r\n        });\r\n    }\r\n\r\n    function logSearchPrint(data) {\r\n       //console.info(data);\r\n\r\n        //fire & forget\r\n        $.ajax({\r\n            url: \"/api/geoplace/logging/LogSearchPrint\",\r\n            data: data,\r\n            headers: {\r\n                accesstoken: accessToken\r\n            }\r\n        });        \r\n    }\r\n\r\n\r\n    function logMapWfsRequest(data) {\r\n        //console.info(\"Logging wfs: \" + data);\r\n\r\n        $.ajax({\r\n            url: \"/api/geoplace/logging/LogWfsRequest\",\r\n            data: data,\r\n            headers: {\r\n                accesstoken: accessToken\r\n            }\r\n        });\r\n    }\r\n\r\n\r\n    return {\r\n        init : init\r\n    }\r\n\r\n}();","var mapPopup = function () {\r\n\r\n    var _map,\r\n        _overlay,\r\n        _markerLayer,\r\n        _popupContainer,\r\n        _popupContent,\r\n        _popupCloser,\r\n        _events,\r\n        _hasPopup = false,\r\n        sessionTimedOut = false;\r\n\r\n    //issue with info click on mobile,\r\n    //showing then closing, timing issue\r\n    //we'll use to track when we're actually showing info\r\n    var _showingPopup = false;\r\n\r\n    function init(map) {\r\n        _map = map;\r\n\r\n        //eventbus\r\n        _events = eventBus.getTopic(\"nsg\");\r\n        _events.addListener(nsg_events.showFeaturesAtCoordinate, function (data) {\r\n            showFeaturesAtCoordinateUsrn(data.coordinates, data.usrn, data.source, data.query);\r\n        });\r\n        _events.addListener(nsg_events.sessionTimeOut, onSessionTimeout);\r\n\r\n        mapEvents();\r\n        markerLayer();\r\n        buildPopup();\r\n    }\r\n\r\n    function onSessionTimeout() {\r\n        sessionTimedOut = true;\r\n        _map.removeLayer(_markerLayer);\r\n        _map.removeOverlay(_overlay);\r\n    }\r\n\r\n    function mapEvents() {\r\n        _map.on(\"click\", function (evt) {\r\n\r\n            var coordinate = evt.coordinate,\r\n                pixel = _map.getPixelFromCoordinate(coordinate),\r\n                features = _map.getFeaturesAtPixel(pixel, { hitTolerance: 4 }),\r\n                isMarker = false;\r\n\r\n            if (features) {\r\n\r\n                if (sessionTimedOut) {\r\n                    onSessionTimeoutActionStopped();\r\n                    return;\r\n                }\r\n\r\n                for (var i = 0; i < features.length; i++) {\r\n                    if (features[i].getProperties()[\"marker\"] == true) {\r\n                        isMarker = true;\r\n                    }\r\n                }\r\n            }\r\n\r\n            //marker or street?\r\n            if (isMarker) {\r\n                onMarkerClicked();\r\n            } else {\r\n                showFeaturesAtCoordinateFromMapClick(evt.coordinate, \"map\");\r\n            }\r\n        });\r\n\r\n        _map.getView().on(\"change\", function (e) {\r\n            hidePopovers();\r\n        });\r\n\r\n        _map.getView().on(\"change:resolution\", function (e) {\r\n            let zoom = e.target.getZoom();\r\n\r\n            //close the popup when we get beyond the NSG zoom level\r\n            \r\n            //this event seems to be firing multiple times until an integer zoomlevel is reached\r\n            //we therefore need to test for when zoom is a whole int before we do anything\r\n            if (zoom % 1 === 0) {\r\n                //console.log(\"zoom=\" + e.target.getZoom());\r\n\r\n                if (_hasPopup) {\r\n                    var visible = zoom >= 9;\r\n                    _overlay.setVisible(visible);\r\n                    _markerLayer.setVisible(visible);   \r\n                    _popupContainer.css(\"display\", (visible)?\"block\":\"none\");\r\n                }                \r\n            }\r\n        });\r\n    }\r\n\r\n    function markerLayer() {\r\n        var iconStyle = new ol.style.Style({\r\n            image: new ol.style.Icon({\r\n                anchor: [0.5, 0.8],\r\n                anchorXUnits: 'fraction',\r\n                anchorYUnits: 'fraction',\r\n                src: '/images/Geoplace_marker.svg',\r\n                imgSize: [50, 50]\r\n                //scale: 0.4,\r\n                //offsetOrigin: \"bottom-left\",\r\n                //offset: [0, -10]\r\n            })\r\n        });\r\n\r\n        _markerLayer = new ol.layer.Vector({\r\n            source: new ol.source.Vector(),\r\n            style: iconStyle\r\n        });\r\n        _map.addLayer(_markerLayer);\r\n    }\r\n\r\n    function hidePopovers() {\r\n        $(\".popupStreetStatusPopover, .popupStreetStatePopover, .popupClassificationPopover\").popover('hide');     \r\n    }\r\n\r\n    function buildPopup() {\r\n        _popupContainer = $(\"<div>\", { id: \"popup\", class: \"ol-popup\" });\r\n        _popupCloser = $(\"<div>\", { id: \"popup-closer\", class: \"ol-popup-closer\", href: \"#\" });\r\n        _popupContent = $(\"<div>\", { id: \"popup-content\", class: \"ol-popup-content\" });\r\n\r\n        $(\"main-map\").append(_popupContainer);\r\n        _popupContainer.append(_popupCloser);\r\n        _popupContainer.append(_popupContent);        \r\n\r\n        //Add a click handler to hide the popup.\r\n        _popupCloser.on(\"click\", function () {\r\n            hidePopovers();            \r\n            _popupContainer.toggle();\r\n            //closePopup();\r\n            return false;\r\n        });\r\n\r\n        _overlay = new ol.Overlay({\r\n            element: _popupContainer[0],\r\n            autoPan: true,\r\n            autoPanAnimation: {\r\n                duration: 250\r\n            }\r\n        });\r\n        _map.addOverlay(_overlay);\r\n    }\r\n\r\n    function onMarkerClicked() {\r\n        hidePopovers();            \r\n        _popupContainer.toggle();\r\n    }\r\n\r\n    function onSessionTimeoutActionStopped() {\r\n        _events.dispatch(nsg_events.sessionTimeOutActionStopped);\r\n    } \r\n\r\n    //show all feature at coordinate\r\n    function showFeaturesAtCoordinateFromMapClick(coordinate, source) {\r\n        showFeaturesAtCoordinateUsrn(coordinate, null, source, null);\r\n    }\r\n\r\n    //show all feature at coordinate, with a given usrn\r\n    //if usrn is null then all features at location will be selected\r\n    function showFeaturesAtCoordinateUsrn(coordinate, usrn, source, query) {\r\n        hidePopovers();       \r\n\r\n        if (sessionTimedOut) {\r\n            onSessionTimeoutActionStopped();\r\n            return;\r\n        }\r\n\r\n        var coordinate = coordinate,\r\n            pixel = _map.getPixelFromCoordinate(coordinate),\r\n            features = _map.getFeaturesAtPixel(pixel, { hitTolerance: 4 }),\r\n            htmlAggregate = \"\",\r\n            streetsEng = new Map(),\r\n            streetsCym = new Map();\r\n               \r\n        if (features) {\r\n\r\n            _markerLayer.getSource().clear();\r\n\r\n            for (i = 0; i < features.length; i++) {\r\n                var f = features[i],\r\n                    props = f.getProperties();\r\n\r\n                if (usrn === null || usrn === props[\"usrn\"]) {\r\n                    var item = {\r\n                        key: props[\"usrn\"] + \"-\" + props[\"language\"],\r\n                        usrn: props[\"usrn\"],\r\n                        lang: props[\"language\"],\r\n                        data: props,\r\n                        geom: f.getGeometry()\r\n                    };\r\n\r\n                    //de-duplicate\r\n                    if (!streetsEng.has(item.usrn) && item.lang.toLowerCase() === \"eng\") {\r\n                        streetsEng.set(item.usrn, item);\r\n                    }\r\n                    else if (!streetsCym.has(item.usrn) && item.lang.toLowerCase() === \"cym\") {\r\n                        //keep welsh records in a seperate list\r\n                        streetsCym.set(item.usrn, item);\r\n                    }\r\n                }\r\n            }\r\n\r\n            //add any matching welsh usrns\r\n            streetsEng.forEach(function (street, usrn, map) {\r\n                if (streetsCym.has(usrn)) {\r\n                    street.data.cym = streetsCym.get(usrn).data;\r\n                }\r\n            });\r\n\r\n            if (streetsEng.size > 0) {\r\n                var count = 0;\r\n\r\n                streetsEng.forEach(function (street, usrn, map) {\r\n                    var html = replaceTokens(htmlForDetails(street.data), street.data);                   \r\n\r\n                    if (count > 0) {\r\n                        html = \"<hr>\" + html;\r\n                    }\r\n\r\n                    htmlAggregate += html;\r\n\r\n                    count += 1;\r\n                });\r\n\r\n                if (usrn) {\r\n                    //we're looking for a usrn, so we'll need to get the rough midpoint\r\n                    var g = streetsEng.get(usrn).geom;\r\n                    coordinate = g.getClosestPoint(ol.extent.getCenter(g.getExtent()));\r\n                }\r\n\r\n                showPopup(htmlAggregate, coordinate);\r\n\r\n                //popovers for popup\r\n\r\n                document.querySelectorAll(\".popupStreetStatusPopover\").forEach(ele => {\r\n                    new bootstrap.Popover(ele, {\r\n                        html: true,\r\n                        content: \"This shows the <a href='/faqs/#collapse6' target='_blank' title='Show street status guidance'>maintenance status</a> of the street and, if known, who has the responsibility for maintaining it.\",\r\n                        trigger: 'focus',\r\n                        container: document.getElementById(\"popup-content\"),\r\n                        placement: 'top',\r\n                        fallbackPlacement: ['top']\r\n                    });\r\n                });\r\n\r\n\r\n                document.querySelectorAll(\".popupStreetStatePopover\").forEach(ele => {\r\n                    new bootstrap.Popover(ele, {\r\n                        content: \"This identifies the state of the street, whether it is under construction or wholly or partly built (Open).\",\r\n                        trigger: 'focus',\r\n                        container: document.getElementById(\"popup-content\"),\r\n                        placement: 'top',\r\n                        fallbackPlacement: ['top']\r\n                    }); \r\n                });\r\n\r\n                document.querySelectorAll(\".popupClassificationPopover\").forEach(ele => {\r\n                    new bootstrap.Popover(ele, {\r\n                        html: true,\r\n                        content: \"This shows the road <a href='/faqs/#collapse14' title='Show street classification guidance'>classification</a> of the section of street selected.\",\r\n                        trigger: 'focus',\r\n                        container: document.getElementById(\"popup-content\"),\r\n                        placement: 'top',\r\n                        fallbackPlacement: ['top']\r\n                    });  \r\n                });             \r\n               \r\n\r\n                var featureDataArray = [];\r\n                streetsEng.forEach(function (street, usrn, map) {\r\n                    featureDataArray.push(street.data);\r\n                });\r\n                _events.dispatch(nsg_events.mapPopupFeatureSelected, { features: featureDataArray, source: source, query: query });                \r\n            }\r\n        }\r\n    }\r\n\r\n    function constructStreetText(data) {\r\n        var street = \"<span data-bs-toggle='tooltip' title='Street'>\" + data[\"street_descriptor\"] + \"</span>\";\r\n\r\n        if (data[\"locality_name\"]) {\r\n            street += \", <span data-bs-toggle='tooltip' title='Locality'>\" + data[\"locality_name\"] + \"</span>\";\r\n        }\r\n        if (data[\"town_name\"]) {\r\n            street += \", <span data-bs-toggle='tooltip' title='Town'>\" + data[\"town_name\"] + \"</span>\";            \r\n        }\r\n\r\n        //return street.toLowerCase().toTitleCase();\r\n        return street;\r\n    }\r\n\r\n    function htmlForDetails(data) {\r\n\r\n        data.streetEng = constructStreetText(data);\r\n\r\n        if (data.cym) {\r\n            data.streetCym = constructStreetText(data.cym);\r\n        }\r\n\r\n        var htmlClassification = function () {\r\n\r\n            if (data.use_classification_data === \"f\") {\r\n                return \"\";\r\n            }\r\n\r\n            var classification = \"Neither M, A, B or C\";\r\n\r\n            if (data.type3_street_classification) {\r\n                //console.log(\"Classification:\"  + data.type3_usrn + \", \" + data.type3_street_descriptor);            \r\n                classification = data.type3_street_classification + \"-road\"\r\n                if (data.type3_street_classification === \"M\") {\r\n                    classification = \"Motorway\";\r\n                }\r\n            }\r\n            return \"\" +\r\n                \"<div>\" +\r\n                \"    <span class='font-weight-bold'>Classification:</span>&nbsp;\" + classification +\r\n                \"       <a class='popupClassificationPopover' tabindex='0'>\" +\r\n                \"           <i class='far fa-question-circle street-status-icon'></i>\" +\r\n                \"       </a>\" +\r\n                \"</div>\";\r\n        };\r\n\r\n        var htmlStreetStatus = function (data) {            \r\n            var maintainedBy = (data.street_status_id == 1) ? data.provider : data.maintaining_authority;\r\n\r\n            //street_status_id\r\n            return \"\" +\r\n                \"<div class='popup-street-status'>\" +\r\n                \"  \" + htmlClassification() +\r\n                \"    <div>\" +\r\n                \"       <span class='font-weight-bold'>Responsibility:</span>&nbsp;[street_status], \" + maintainedBy + \"&nbsp;\" +\r\n                \"           <a class='popupStreetStatusPopover' tabindex='0'>\" +\r\n                \"               <i class='far fa-question-circle street-status-icon'></i>\" +\r\n                \"           </a>\" +\r\n                \"    </div>\" +\r\n                \"    <div>\" +\r\n                \"        <span class='font-weight-bold'>Street State:</span>&nbsp;[state]&nbsp;<a class='popupStreetStatePopover' tabindex='0'><i class='far fa-question-circle street-status-icon'></i></a>\" +\r\n                \"    </div>\" +\r\n                \"</div>\";\r\n        };\r\n\r\n        var htmlStreetName = function () {\r\n            if (!data.cym) {\r\n                return \" <div class='popup-street mt-2 mb-2'>[streetEng]</div>\";\r\n            } else {\r\n                return \"\" +\r\n                    \"<div class='popup-street mt-2 mb-2'>\" +\r\n                    \"    <div class='mb-1'>Cym:&nbsp;[streetCym]</div>\" +\r\n                    \"    <div>Eng:&nbsp;[streetEng]</div>\" +\r\n                    \"</div>\";\r\n            }\r\n        };\r\n\r\n        var html = \"\" +\r\n            \"<div class='small me-1 mt-1'>\" +\r\n            \"    <div class='d-flex justify-content-between align-items-end me-5'>\" +\r\n            \"        <div class='popup-usrn'><b>USRN:</b>&nbsp;[usrn]</div>\" +\r\n            \"        <div id='permalink_placeholder_[usrn]'></div>\" +\r\n            \"     </div>\" +  \r\n            \"\" + htmlStreetName() +\r\n            \"\" + htmlStreetStatus(data) +\r\n            \"</div>\";               \r\n                 \r\n        return html;\r\n    }\r\n\r\n    function showPopup(html, coordinates) {\r\n        if (html) {\r\n            _showingPopup = true;\r\n            _popupContent.html(html);\r\n            _popupContainer.css(\"display\", \"block\");\r\n\r\n            if (coordinates) {\r\n                _overlay.setPosition(coordinates);\r\n            }\r\n\r\n            var source = _markerLayer.getSource();\r\n            source.clear();\r\n           \r\n            var feature = new ol.Feature({\r\n                \"marker\": true\r\n            });\r\n            feature.setGeometry(new ol.geom.Point(coordinates));\r\n            source.addFeature(feature);\r\n\r\n            window.setTimeout(function () {\r\n                _showingPopup = false;\r\n            }, 500);\r\n\r\n            _hasPopup = true;  \r\n            \r\n            $('.popup-street [data-bs-toggle=\"tooltip\"]').tooltip({                \r\n                placement: 'bottom',\r\n                container: '#popup-content'               \r\n            });\r\n        }\r\n    }\r\n\r\n    //function closePopup() {\r\n    //    if (_showingPopup) {\r\n    //        return;\r\n    //    }\r\n\r\n    //    _markerLayer.getSource().clear();            \r\n    //    _overlay.setPosition(undefined);\r\n    //    _popupContainer.css(\"display\", \"none\");      \r\n\r\n    //    return false;\r\n    //}\r\n\r\n    function replaceTokens(html, data) {\r\n        //go thru html string and replace any tokens with attribute values\r\n        for (var attributeName in data) {\r\n            if (data.hasOwnProperty(attributeName)) {\r\n                html = html.replace(new RegExp(\"\\\\[\" + attributeName + \"\\\\]\", \"g\"), data[attributeName]);\r\n            }\r\n        }\r\n        return html;\r\n    }\r\n\r\n    return {\r\n        init: init\r\n    }\r\n\r\n}();","var mapPermaLink = function () {\r\n\r\n    var _map,\r\n        _events;\r\n\r\n    function init(map) {\r\n        _map = map;        \r\n       \r\n        //eventbus\r\n        _events = eventBus.getTopic(\"nsg\");\r\n        _events.addListener(nsg_events.mapPopupFeatureSelected, function (data, source, query) {\r\n            for (var i = 0; i < data.features.length; i++){\r\n                buildHtml(data.features[i].usrn);                                     \r\n            }\r\n            addClickHandler();    \r\n        });\r\n        _events.addListener(nsg_events.sessionTimeOut, onSessionTimeout);                   \r\n    }\r\n    \r\n    function buildHtml(usrn) {\r\n        var id = \"permalink_\" + usrn;        \r\n        let html = \"\" +\r\n            \"  <div id='\" + id + \"' data-usrn='\" + usrn + \"' class='permalink'> \" +\r\n            \"    <span class='fa-stack' data-bs-container='#popup-content' data-bs-toggle='tooltip' title='Copies a direct link to the USRN/Street to the clipboard for sharing'>\" +\r\n            \"      <i class='fa fa-circle fa-stack-2x icon-background'></i>\" +\r\n            \"      <i class='fas fa-link fa-stack-1x'></i>\" +\r\n            \"    </span>\" +\r\n            \"  </div>\" +            \r\n            \"  <!-- hidden placeholder text area for copy --> \" +\r\n            \"  <span id='clipBoardPlaceHolder_\" + usrn + \"'  style='opacity:0'></span>\";    \r\n\r\n        //placeholder id format = permalink_placeholder_[usrn]\r\n        $(\"#permalink_placeholder_\" + usrn).append(html);\r\n        $('.permalink [data-bs-toggle=\"tooltip\"]').tooltip({\r\n            boundary: 'window',\r\n            placement:'bottom',\r\n            delay: {\r\n                show: 100,\r\n                hide: 1000\r\n            }\r\n        });\r\n    }\r\n\r\n    function addClickHandler() {       \r\n        $('.permalink').on('click', function () {            \r\n            var el = $(this);\r\n            var usrn = el.data(\"usrn\");\r\n            var link = window.location.origin + window.location.pathname + \"?usrn=\" + usrn;\r\n            copyToClipboard(link, el[0], \"clipBoardPlaceHolder_\" + usrn, \"permalink_\" + usrn);            \r\n        });        \r\n    }\r\n\r\n    function copyToClipboard (text, el, placeHolderId, popoverId){\r\n        var copyTest = document.queryCommandSupported('copy');\r\n       \r\n        if (copyTest === true) {\r\n            //close current popover\r\n            $(\".permalink\").popover('dispose');\r\n\r\n            var ph = document.getElementById(placeHolderId);\r\n            var copyTextArea = document.createElement(\"textarea\");\r\n            copyTextArea.value = text;\r\n            ph.appendChild(copyTextArea);\r\n            \r\n            copyTextArea.select();\r\n            try {\r\n                let successful = document.execCommand('copy');\r\n                let msg = successful ? \"Link to the street copied to clipboard\" : 'Whoops, not copied!';                            \r\n\r\n                let popover = new bootstrap.Popover(el, {                    \r\n                    content: msg,\r\n                    trigger: 'manual',\r\n                    container: document.getElementById(\"popup-content\"),\r\n                    placement: 'top',\r\n                    fallbackPlacement: ['top']\r\n                });\r\n                   \r\n                popover.show();\r\n                       \r\n                window.setTimeout(function () {\r\n                    popover.dispose();   \r\n                }, 3000);                \r\n                \r\n            } catch (err) {\r\n                console.log('Oops, unable to copy');\r\n            }\r\n            ph.removeChild(copyTextArea);\r\n            \r\n        } else {\r\n            // Fallback if browser doesn't support .execCommand('copy')\r\n            window.prompt(\"Copy to clipboard: Ctrl+C or Command+C, Enter\", text);\r\n        }\r\n    }\r\n\r\n    function onSessionTimeout() {\r\n        //disable marker\r\n\r\n    }\r\n\r\n    return {\r\n        init: init\r\n    }\r\n\r\n}();","var mapBaseLayers = function () {\r\n\r\n    function osOpenSpace(oSOpenSpaceURL, oSOpenSpaceKey) {\r\n       \r\n        if (oSOpenSpaceKey) {\r\n            oSOpenSpaceURL = oSOpenSpaceURL + \"?key=\" + oSOpenSpaceKey;\r\n        } \r\n\r\n        //https://apidocs.os.uk/docs/layer-information\r\n        var OS_source = new ol.source.WMTS({\r\n            name: \"OS\",\r\n            title: \"OS\",\r\n            url: oSOpenSpaceURL,\r\n            layer: 'Road 27700',\r\n            format: 'image/png',\r\n            version: '1.0.0',\r\n            matrixSet: 'EPSG:27700',\r\n            params: {\r\n                'Service': 'WMTS',\r\n                'Request': 'GetTile'\r\n            },\r\n            attributions: '<a href=\"https://www.ordnancesurvey.co.uk/business-government/licensing-agreements/public-sector-licences-contractors-end-users\"' +\r\n                'target=\"_blank\">&copy; Crown copyright and database rights ' +\r\n                new Date().getFullYear() +\r\n                ' OS (100050727)</a>'\r\n            ,\r\n            logo: 'https://openspace.ordnancesurvey.co.uk/osmapapi/img_versions/img_4.0.0/OS/poweredby_free.png',\r\n            projection: \"EPSG:27700\",\r\n            tileGrid: new ol.tilegrid.WMTS({\r\n                origin: [-238375.0, 1376256.0],\r\n                resolutions: [896, 448, 224, 112, 56, 28, 14, 7, 3.5, 1.75, 0.875],\r\n                matrixIds: ['EPSG:27700:0', 'EPSG:27700:1', 'EPSG:27700:2', 'EPSG:27700:3', 'EPSG:27700:4', 'EPSG:27700:5', 'EPSG:27700:6', 'EPSG:27700:7', 'EPSG:27700:8', 'EPSG:27700:9', 'EPSG:27700:10', 'EPSG:27700:11', 'EPSG:27700:12', 'EPSG:27700:13']       \r\n            }),\r\n            style: 'default',\r\n            wrapX: true\r\n        });\r\n\r\n        var openSpaceLayer = new ol.layer.Tile({\r\n            title: 'OS',\r\n            type: 'base',\r\n            //zIndex: 100,\r\n            source: OS_source,\r\n            id: 'OS',\r\n            visible: true,\r\n            extent: [0, 0, 683518, 658850]\r\n        });\r\n\r\n        return openSpaceLayer;\r\n\r\n    }\r\n\r\n    return {\r\n        osOpenSpace: osOpenSpace\r\n    } \r\n\r\n}();","var mapFts = function () {\r\n\r\n    var events;\r\n    //keep track of searches, when one completes we remove all earlier ones from the array\r\n    var activeQueries = [];\r\n    var searchTerm,\r\n        sessionTimedOut = false,\r\n        access_token = null;\r\n\r\n    function init(accessToken) {\r\n        access_token = accessToken;\r\n\r\n        //eventbus\r\n        events = nsgEvents.events();\r\n        events.addListener(nsg_events.sessionTimeOut, onSessionTimeout);\r\n\r\n        $(\"#ftSearchClear\").hide(); \r\n        $(\"#noFtsResults\").hide();\r\n\r\n        $(\"#txtFtSearchxx\").typeahead({\r\n            displayText: function (item) {\r\n                return item.headline;\r\n            },\r\n            theme: \"bootstrap4\",\r\n            minLength: 3,\r\n            delay: 500,\r\n            items: 30,\r\n            highlighter: function (item) {\r\n                //no highlighting\r\n                return item;\r\n            },\r\n            sorter: sortItems,\r\n            matcher: function (item) {\r\n                //no matching\r\n                return 1;\r\n            },\r\n            source: source,\r\n            autoSelect: false,\r\n            changeInputOnMove: false,\r\n            changeInputOnSelect: false,\r\n            afterSelect: function (item) {\r\n                this.$element.val(item.description);\r\n\r\n                window.setTimeout(function () {\r\n                    //remove focus from textbox, or the cursor flashes through the popup\r\n                    $(\"#txtFtSearchxx\").blur();\r\n                }, 10);                \r\n               \r\n                events.dispatch(nsg_events.streetSearchSelected, {\r\n                    query: searchTerm,\r\n                    street: item\r\n                });\r\n            }\r\n        });\r\n    }\r\n\r\n    function onSessionTimeout() {\r\n        sessionTimedOut = true;\r\n        $(\"#txtFtSearchxx\").unbind();\r\n        $(\"#txtFtSearchxx\").on(\"focus\", onSessionTimeoutActionStopped);\r\n    }\r\n\r\n    function onSessionTimeoutActionStopped() {\r\n        events.dispatch(nsg_events.sessionTimeOutActionStopped);\r\n    }   \r\n\r\n    function source(query, process) {\r\n        //double check query length\r\n        //the log shows some two letter ones creeping in (might be result of backspacing)\r\n        $(\"#noFtsResults\").hide();\r\n\r\n        if (query.length > 2) {\r\n            activeQueries.push(query);\r\n\r\n            toggleFtsSearching(true);\r\n\r\n            $.ajax({\r\n                url: \"/geoplace/fulltextsearch\",               \r\n                beforeSend: function (request) {\r\n                    request.setRequestHeader(\"AccessToken\", access_token);\r\n                },\r\n                data: {\r\n                    searchTerm: query\r\n                },\r\n                dataType: 'json'\r\n            }).done(function (response) {\r\n                toggleFtsSearching(false);\r\n                \r\n                if (response.length === 0) {\r\n                    $(\"#noFtsResults\").show();\r\n\r\n                    window.setTimeout(function () {\r\n                        $(\"#noFtsResults\").hide();\r\n                    }, 5000);\r\n                }                \r\n\r\n                //only do this if the value is present in the array, i.e. not removed by a later search                   \r\n                var idx = activeQueries.indexOf(query)\r\n                if (idx > -1) {\r\n                    //only set the searchTerm after the ajax response is received & processed\r\n                    searchTerm = query;\r\n\r\n                    //remove this and any earlier entries\r\n                    activeQueries = activeQueries.slice(idx + 1);\r\n\r\n                    //remove all 'S\r\n                    for (var i = 0; i < response.length; i++) {\r\n                        var item = response[i];\r\n                        item.headline = item.headline.replace(/'[A-Z]/g, function (match) {\r\n                            return match.toLowerCase();\r\n                        });\r\n                        item.description = item.description.replace(/'[A-Z]/g, function (match) {\r\n                            return match.toLowerCase();\r\n                        });\r\n                    }\r\n\r\n                    return process(response);\r\n                } else {                    \r\n                    console.warn(\"No query for '\" + query + \"' found\");\r\n                }\r\n            });\r\n        }\r\n    }\r\n\r\n    function sortItems(items) {\r\n        var beginswithfirst3 = [];\r\n        var beginswithfirst2 = [];\r\n        var beginswithfirst1 = [];\r\n        var other = [];\r\n        var item;\r\n\r\n        function getFirstXWords(count) {\r\n            return (queryNoPunc.split(\" \").slice(0, count)).join(\" \");\r\n        }\r\n\r\n        while ((item = items.shift())) {\r\n            var it = item.description.replace(/[^\\w\\s]|_/g, \"\").replace(/\\s+/g, \" \").toLowerCase();\r\n\r\n            //Removes everything except alphanumeric characters and whitespace, then collapses multiple adjacent characters to single spaces.\r\n            var queryNoPunc = this.query.replace(/[^\\w\\s]|_/g, \"\").replace(/\\s+/g, \" \").toLowerCase();\r\n\r\n            //just use the first 3 words?\r\n            var q3 = getFirstXWords(3);\r\n            var q2 = getFirstXWords(2);\r\n            var q1 = getFirstXWords(1);\r\n\r\n            if (!it.indexOf(q3)) {\r\n                beginswithfirst3.push(item);\r\n            }\r\n            else if (!it.indexOf(q2)) {\r\n                beginswithfirst2.push(item);\r\n            }\r\n            else if (!it.indexOf(q1)) {\r\n                beginswithfirst1.push(item);\r\n            }\r\n            else {\r\n                other.push(item);\r\n            }\r\n        }\r\n\r\n        return beginswithfirst3.concat(beginswithfirst2, beginswithfirst1, other);\r\n    }\r\n\r\n    function toggleFtsSearching(show){\r\n        if (show) {\r\n            $('#ftSearching').css('visibility', 'visible');\r\n        }    \r\n        else {\r\n            $('#ftSearching').css('visibility', 'hidden');\r\n        }         \r\n    };\r\n\r\n    function hide() {\r\n        $(\"#txtFtSearchxx\").typeahead('hide');\r\n    }\r\n\r\n    return {\r\n        init: init,\r\n        hide: hide\r\n    }\t\t\r\n\r\n}();","var mapUsrnSearch = function () {\r\n\r\n    var events,\r\n        btnSearchUsrn,\r\n        usrnSearchInput,\r\n        usrnSearchingLoader,\r\n        invalidUsrn,\r\n        noUsrnResults,\r\n        usrnSearchUrl,\r\n        sessionTimedOut = false;\r\n\r\n    function init(mapServerUrl) {\r\n        //eventbus\r\n        events = nsgEvents.events();\r\n        events.addListener(nsg_events.sessionTimeOut, onSessionTimeout);\r\n\r\n        btnSearchUsrn = document.getElementById(\"btnUsrnSearch\");\r\n        btnSearchUsrn.addEventListener('click', btnSearchUsrnClick);\r\n\r\n        usrnSearchInput = document.getElementById(\"txtUsrnSearch\");\r\n        usrnSearchInput.addEventListener(\"keyup\", function (event) {\r\n            event.preventDefault();\r\n            if (event.keyCode === 13) {\r\n                btnSearchUsrn.click();\r\n            }\r\n        });\r\n\r\n        usrnSearchingLoader = document.getElementById(\"usrnSearching\");\r\n        invalidUsrn = document.getElementById(\"invalidUsrn\");\r\n        noUsrnResults = document.getElementById(\"noUsrnResults\");\r\n        usrnSearchUrl = mapServerUrl + \"&SERVICE=WFS&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=StreetLines&outputformat=geojson&count=100&Filter=<Filter><PropertyIsEqualTo><PropertyName>usrn</PropertyName><Literal>LiteralUsrn</Literal></PropertyIsEqualTo></Filter>\";\r\n    }\r\n\r\n    function btnSearchUsrnClick(evt) {    \r\n\r\n        if (sessionTimedOut) {\r\n            onSessionTimeoutActionStopped()\r\n            return;\r\n        }\r\n\r\n        $(\"#usrnMessages\").hide();\r\n        invalidUsrn.style.display = 'none';\r\n        noUsrnResults.style.display = 'none';\r\n        usrnSearchingLoader.style.visibility = 'hidden';\r\n        var searchUsrn = usrnSearchInput.value.trim();\r\n\r\n        var isnum = /^\\d+$/.test(searchUsrn);\r\n        if (isnum === false || searchUsrn.length > 8 || searchUsrn.length < 6) {\r\n            $(\"#usrnMessages\").show();\r\n            invalidUsrn.style.display = 'block';\r\n            return;\r\n        }\r\n        var requestUrl = usrnSearchUrl.replace(\"LiteralUsrn\", searchUsrn);\r\n        usrnSearchingLoader.style.visibility = 'visible';\r\n\r\n        fetchText(\"GET\", requestUrl)\r\n            .then(function (text) {\r\n                usrnSearchingLoader.style.visibility = 'hidden';\r\n                //console.log(text);\r\n                var json = JSON.parse(text);\r\n                var features = new ol.format.GeoJSON().readFeatures(json);\r\n\r\n                if (features.length > 0) {\r\n                    var g = features[0].getGeometry();\r\n                    var coord = g.getFirstCoordinate();\r\n\r\n                    var street = features[0].getProperties(); \r\n                    street.startX = coord[0]; \r\n                    street.startY = coord[1];                     \r\n                    street.extent = g.getExtent();\r\n\r\n                    events.dispatch(nsg_events.usrnSearchSelected, {\r\n                        query: searchUsrn,\r\n                        street: street\r\n                    });\r\n                } else {\r\n                    $(\"#usrnMessages\").show();\r\n\r\n                    window.setTimeout(function () {\r\n                        $(\"#usrnMessages\").hide();\r\n                    }, 5000);\r\n\r\n                    noUsrnResults.style.display = 'block';\r\n                }\r\n            });\r\n    }\r\n\r\n    function onSessionTimeout() {\r\n        sessionTimedOut = true;\r\n    }\r\n\r\n    function onSessionTimeoutActionStopped() {\r\n        events.dispatch(nsg_events.sessionTimeOutActionStopped);\r\n    }    \r\n\r\n    function fetchText(method, url) {\r\n        return new Promise(function (resolve, reject) {\r\n            let xhr = new XMLHttpRequest();\r\n            xhr.onreadystatechange = function () {\r\n                let DONE = 4; // readyState 4 means the request is done.\r\n                let OK = 200; // status 200 is a successful return.\r\n                if (xhr.readyState === DONE) {\r\n                    if (xhr.status === OK) {\r\n                        resolve(xhr.responseText);\r\n                    }\r\n                    else {\r\n                        reject(\"request failed for \" + url + \" \" + xhr.status);\r\n                    }\r\n                }\r\n            };\r\n            xhr.open(method, url);\r\n            // The header must be after `.open()`, but before `.send()`\r\n            xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');\r\n            xhr.responseType = \"text\";\r\n            xhr.send(null);\r\n        });\r\n    }\r\n       \r\n    return {\r\n        init :init\r\n    }\r\n\r\n}();","\r\n(function () {\r\n    document.addEventListener(\"DOMContentLoaded\", function () {\r\n        \r\n        applicationLogging.init($(\"#loggingAccessToken\").val());\r\n\r\n        var map = new MainMap(\r\n            \"main-map\",\r\n            \"mapLoader\",\r\n            \"zoomHeading\",\r\n            \"oopsAlert\"\r\n        );\r\n\r\n        let popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle=\"popover\"]'))\r\n        let popoverList = popoverTriggerList.map(function (popoverTriggerEl) {\r\n            return new bootstrap.Popover(popoverTriggerEl)\r\n        })\r\n    });\r\n})();\r\n\r\n\r\nfunction MainMap(\r\n    elementId,\r\n    loaderId,\r\n    zoomInfoId,     \r\n    oopsAlertId\r\n) {\r\n    var self = this;\r\n    var mapExtent = null,\r\n        usrn = null,\r\n        zoomToUsrn = false,\r\n        mapStoreID = \"fms-map\";\r\n        \r\n    //where the usrn came from, e.g. data attribute(list), fts selection, usrn search\r\n    var usrnSelectionSource = null,\r\n        ftsQuery = \"\";\r\n    var events;\r\n\r\n    //constructor invoked at bottom\r\n    function _constructor(\r\n        elementId,\r\n        loaderId,\r\n        zoomInfoId,       \r\n        oopsAlertId\r\n    ) {\r\n        //eventbus\r\n        events = nsgEvents.events();\r\n        events.addListener(nsg_events.mapPopupFeatureSelected, function (data) {\r\n            self.selection = {};\r\n\r\n            for (var i = 0; i < data.features.length; i++) {\r\n                self.selection[data.features[i][\"usrn\"]] = data.features[i][\"type3_street_classification\"];\r\n            }\r\n\r\n            self.streetVectorLayer.setStyle(self.streetVectorLayer.getStyle());\r\n        });\r\n        events.addListener(nsg_events.sessionTimeOutActionStopped, onSessionTimeOutActionStopped);\r\n\r\n        $('#modalTimeout').modal({\r\n            keyboard: false,\r\n            show: false            \r\n        })\r\n\r\n        //touch\r\n        if (ol.has.TOUCH) {\r\n            $(\"#mapContainer\").addClass(\"ol-touch\");\r\n        }        \r\n        \r\n        $(\".close-alert\").click(function () {\r\n            $(\"#noFtsResults\").hide();\r\n            $(\"#usrnMessages\").hide();         \r\n        });\r\n\r\n        //setup the clearer on the input textbox\r\n        $(\"#street-search-tabs .hasclear\").keyup(function () {\r\n            var t = $(this);\r\n\r\n            if (t.val()) {\r\n                t.siblings('.clearer').show();\r\n            } else {\r\n                t.siblings('.clearer').hide();\r\n            }\r\n        });\r\n        $(\"#street-search-tabs .clearer\").hide(function () {\r\n            var id = $(this).data(\"target\");\r\n\r\n            $(id).val('');\r\n            //$(this).prev('[type=text]').val();\r\n        });\r\n        $(\"#street-search-tabs .clearer\").click(function () {\r\n            var id = $(this).data(\"target\");\r\n            $(id).val('').focus();           \r\n            $(this).hide();            \r\n        });\r\n\r\n        //do this before the map is first drawn\r\n        resizeMap();\r\n\r\n        var resize = debounce(function () {\r\n            resizeMap(true);\r\n        }, 250);\r\n\r\n        $(window).bind('resize', resize);\r\n\r\n        self.elementId = elementId;\r\n        self.loaderId = loaderId;\r\n        self.zoomInfoId = zoomInfoId;\r\n        self.mapElement = document.getElementById(elementId);\r\n\r\n        self.accessToken = self.mapElement.dataset.mapToken;\r\n        //convert minutes to seconds, then take off 10 seconds\r\n        self.accessTokenExpiresIn = (self.mapElement.dataset.mapTokenExpiresIn * 60000) - 10000;\r\n\r\n        //session timeout\r\n        self.timedout = false;\r\n        setTimeout(function () {\r\n            onSessionTimeOut()\r\n        }, self.accessTokenExpiresIn);\r\n\r\n        //get any extents\r\n        if (self.mapElement.dataset.extent) {\r\n            var a = self.mapElement.dataset.extent.split(',');\r\n\r\n            if (Array.isArray(a) && a.length === 4) {\r\n                mapExtent = a;\r\n                mapExtent[0] = parseFloat(mapExtent[0]);\r\n                mapExtent[1] = parseFloat(mapExtent[1]);\r\n                mapExtent[2] = parseFloat(mapExtent[2]);\r\n                mapExtent[3] = parseFloat(mapExtent[3]);\r\n                console.log(\"map extent:\" + self.mapElement.dataset.extent);\r\n            }\r\n        };\r\n\r\n        //usrn passed in from url (list)\r\n        if (self.mapElement.dataset.usrn) {\r\n            usrn = self.mapElement.dataset.usrn;\r\n            zoomToUsrn = true;\r\n            usrnSelectionSource = \"list\";\r\n        }\r\n\r\n        self.enableDebugLog = (self.mapElement.dataset.mapDebugLog === 'true');\r\n\r\n        self.mapServerUrl = self.mapElement.dataset.mapServerUrl + \"?accesstoken=\" + encodeURIComponent(self.accessToken);\r\n        self.initialZoom = Number(self.mapElement.dataset.mapInitialZoom);\r\n        self.maxFeatures = self.mapElement.dataset.mapMaxFeatures;\r\n        self.maxTotalFeatures = self.mapElement.dataset.mapMaxTotalFeatures;\r\n                     \r\n        self.oopsAlert = document.getElementById(oopsAlertId);\r\n                \r\n        self.nameSearchUrl = self.mapServerUrl + \"&SERVICE=WFS&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=StreetLines&outputformat=geojson&count=100&SORTBY=street_descriptor&Filter=<Filter><PropertyIsLike matchCase='false' wildcard='*' singleChar='.' escape='!'><PropertyName>street_descriptor</PropertyName><Literal>QUERY</Literal></PropertyIsLike></Filter>\";        \r\n        self.nameWithProviderSearchUrl = self.mapServerUrl + \"&SERVICE=WFS&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=StreetLines&outputformat=geojson&count=100&SORTBY=street_descriptor&Filter=<Filter><AND><PropertyIsLike matchCase='false' wildcard='*' singleChar='.' escape='!'><PropertyName>street_descriptor</PropertyName><Literal>QUERY</Literal></PropertyIsLike><PropertyIsLike wildcard='*' singleChar='.' escape='!'><PropertyName>provider_id</PropertyName><Literal>PROVIDER</Literal></PropertyIsLike></AND></Filter>\";\r\n\r\n        // lookup for selection objects\r\n        // key is usrn\r\n        // value is classification\r\n        self.selection = {};\r\n\r\n        //https://apidocs.os.uk/docs/layer-information      \r\n        self.resolutions = [896, 448, 224, 112, 56, 28, 14, 7, 3.5, 1.75, 0.875];      \r\n        self.oS_extent = [0, 0, 683518, 658850];\r\n\r\n        self.origin = [-238375.0, 1376256.0];\r\n        self.mapCenter = [452000, 314752];\r\n        self.initialZoom = 0;\r\n        self.mapLayers = [];\r\n        self.idProp = 'usrn';\r\n        self.zoomToLargeExtentLevel = 9;\r\n        self.zoomToSmallExtentLevel = 12;\r\n\r\n        proj4.defs(\"EPSG:27700\", \"+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 +units=m +no_defs\");\r\n        ol.proj.proj4.register(proj4);\r\n\r\n        self.projection = new ol.proj.Projection({\r\n            code: 'EPSG:27700',\r\n            extent: self.oS_extent,\r\n            units: 'm'\r\n        });\r\n\r\n        mapOverLays.init(self.mapServerUrl);\r\n        mapStore.init(mapStoreID);\r\n        self.map = _buildMap();\r\n        addMapControls(self.map);\r\n        mapStore.initMap(self.map, true);   \r\n\r\n        self.didLoadFromStorage = false;\r\n        loadStorageOverrides();\r\n              \r\n        //issue with info click on mobile,\r\n        //showing then closing, timing issue\r\n        //we'll use to track when we're actually showing info\r\n        self.showingPopup = false;\r\n\r\n        $(\"#btnMapLayers\").on(\"click\", function () {\r\n            toggleLayersDialogue(10);\r\n        });\r\n\r\n        $(\"#btnMapLayersClose\").on(\"click\", function () {\r\n            toggleLayersDialogue(10);\r\n        });\r\n\r\n        //$(\"#btnGazetteer\").on(\"click\", function () {\r\n        //    toggleGazetteerDialogue(10);\r\n        //});\r\n\r\n        //$(\"#btnGazetteerClose\").on(\"click\", function () {\r\n        //    toggleGazetteerDialogue(10);\r\n        //});\r\n\r\n        initUsrnSearch();\r\n        initFullTextSearch();   \r\n        initGazetteer();\r\n\r\n        mapPopup.init(self.map);\r\n        mapPermaLink.init(self.map);\r\n        mapLayerExtentsLoader.init()\r\n    }   \r\n\r\n    function debounce(func, wait, immediate) {\r\n        var timeout;\r\n        return function () {\r\n            var context = this, args = arguments;\r\n            var later = function () {\r\n                timeout = null;\r\n                if (!immediate) func.apply(context, args);\r\n            };\r\n            var callNow = immediate && !timeout;\r\n            clearTimeout(timeout);\r\n            timeout = setTimeout(later, wait);\r\n            if (callNow) func.apply(context, args);\r\n        };\r\n    };\r\n\r\n    function toggleLayersDialogue(delayInMilliseconds) {\r\n        window.setTimeout(function () {\r\n            $('#mapLayersContainer').animate({ width: 'toggle', opacity: 'toggle' });\r\n        }, delayInMilliseconds);\r\n    }\r\n\r\n    //function toggleGazetteerDialogue(delayInMilliseconds) {\r\n    //    //window.setTimeout(function () {\r\n    //        $('#gazetteerContainer').animate({ opacity: 'toggle', width: 'toggle' });\r\n    //    //}, delayInMilliseconds);\r\n    //}\r\n\r\n    function onSessionTimeOut() {\r\n        //console.log(\"Token timed out\");\r\n        self.timedout = true;\r\n        $('#modalTimeout').modal('show');\r\n\r\n        events.removeListener(nsg_events.streetSearchSelected, onFtsStreetSelected);\r\n        events.removeListener(nsg_events.usrnSearchSelected, onUsrnSearchSelected);\r\n\r\n        self.selection = {};\r\n        self.streetVectorLayer.setStyle(self.streetVectorLayer.getStyle());\r\n\r\n        events.dispatch(nsg_events.sessionTimeOut);\r\n    }\r\n\r\n    function onSessionTimeOutActionStopped() {\r\n        $('#modalTimeout').modal('show');\r\n    }\r\n\r\n    function initGazetteer() {\r\n        mapGazetteer.init(self.map);        \r\n    }\r\n\r\n    function initUsrnSearch() {\r\n        mapUsrnSearch.init(self.mapServerUrl);\r\n        events.addListener(nsg_events.usrnSearchSelected, onUsrnSearchSelected);\r\n    }\r\n\r\n    function onUsrnSearchSelected(data) {        \r\n        //move the map\r\n        //then set zoomToUsrn/usrn values which will cause the feature to be selected after the wfs request has completed\r\n        usrnSelectionSource = \"usrn-search\";\r\n        ftsQuery = data.query\r\n        zoomToUsrn = true;\r\n        usrn = data.street.usrn;\r\n\r\n        self.view.setCenter(ol.extent.getCenter(data.street.extent));\r\n        self.view.setZoom(9);\r\n\r\n        window.setTimeout(function () {\r\n            showFeaturesAtCoordinateUsrn([data.street.startX, data.street.startY], usrn, usrnSelectionSource, ftsQuery);\r\n        }, 10);        \r\n    }\r\n\r\n    function initFullTextSearch() {\r\n        //mapFts.init($(\"#ftsAccessToken\").val());\r\n        //events.addListener(nsg_events.streetSearchSelected, onFtsStreetSelected);\r\n    }\r\n\r\n    function onFtsStreetSelected(data) {\r\n        //move the map\r\n        //then set zoomToUsrn/usrn values which will cause the feature to be selected after the wfs request has completed\r\n        usrnSelectionSource = \"fts_search\";\r\n        ftsQuery = data.query\r\n        zoomToUsrn = true;\r\n        usrn = data.street.usrn;\r\n\r\n        self.view.setCenter(ol.extent.getCenter(data.street.extent));\r\n        self.view.setZoom(9);\r\n        window.setTimeout(function () {\r\n            showFeaturesAtCoordinateUsrn([data.street.startX, data.street.startY], usrn, usrnSelectionSource, ftsQuery);\r\n        }, 10);        \r\n    }\r\n      \r\n    function showFeaturesAtCoordinateUsrn(coordinates, usrn, usrnSelectionSource, query) {\r\n        events.dispatch(nsg_events.showFeaturesAtCoordinate, {\r\n            coordinates: coordinates,\r\n            usrn: usrn,\r\n            source: usrnSelectionSource,\r\n            query: query\r\n        });\r\n    }\r\n\r\n    function resizeMap(windowResize) {\r\n        //use max footer height, especially on mobile\r\n        var fHeight = $(\"footer\").height();\r\n        fHeight = Math.min(fHeight, 200);\r\n\r\n        var height = $(window).height() - $(\"#mapContainer\").offset().top;\r\n        if (height <= 400) {\r\n            height = 400;\r\n        }\r\n        $('#mapContainer').height(height)\r\n\r\n        if (windowResize) {\r\n            setTimeout(function () {                \r\n                self.map.updateSize();\r\n            }, 0);            \r\n        }\r\n        //$('#slide-content').height(height-100);       \r\n    };\r\n\r\n    function loadStorageOverrides() {\r\n        if (mapExtent) {            \r\n            self.view.setCenter(ol.extent.getCenter(mapExtent));\r\n            self.view.setZoom(9);\r\n        } else {\r\n            var settings = mapStore.settings();\r\n            self.view.setCenter(settings.centre);\r\n            self.view.setZoom(settings.zoom);  \r\n        }                                              \r\n\r\n        self.didLoadFromStorage = true;\r\n    }\r\n\r\n    function onMapChange(evt) {       \r\n        var map = evt.map;\r\n\r\n        if (map) {                     \r\n\r\n            var view = map.getView();\r\n            var res = view.getResolution();\r\n            var z = view.getZoom();\r\n            var c = view.getCenter();\r\n            \r\n            //if (self.didLoadFromStorage === true) {\r\n            //    storeMapSettings();\r\n            //} else {\r\n            //    loadStorageOverrides();\r\n            //}\r\n\r\n            //https://github.com/exeGesIS-SDM/GeoPlace-OnlineNSG/issues/120\r\n            if (z > 10) {\r\n                map.getView().setZoom(10);\r\n            }\r\n            if (self.enableDebugLog) {\r\n                console.log('resolution ' + res);\r\n                console.log('zoom ' + z);\r\n                console.log('center ' + c);\r\n            }\r\n            if (res < 3.5) {\r\n                hideZoomInfo();\r\n            }\r\n            else {\r\n                showZoomInfo();\r\n                self.oopsAlert.style.display = 'none';\r\n            }\r\n        }\r\n    }\r\n\r\n    function _buildMap() {\r\n        \r\n        //base layer\r\n        var oSOpenSpaceKey = self.mapElement.dataset.openSpaceKey;\r\n        var oSOpenSpaceURL = self.mapElement.dataset.openSpaceUrl;        \r\n        self.oSOpenSpaceAllowedDomain = self.mapElement.dataset.openSpaceAllowedDomain;\r\n\r\n        var openSpaceLayer = mapBaseLayers.osOpenSpace(oSOpenSpaceURL, oSOpenSpaceKey);      \r\n        self.mapLayers.push(openSpaceLayer);\r\n               \r\n        self.streetVectorSource = new ol.source.Vector({\r\n            format: new ol.format.GeoJSON(),   \r\n            \r\n            loader: function (extent, resolution, projection) {\r\n                \r\n                if (!mapLayerExtentsLoader.reloadLayer(extent, self.streetVectorLayer, self.map.getView().getZoom(), Infinity, false)) {\r\n                    return;\r\n                }\r\n\r\n\r\n                var features = self.streetVectorSource.getFeatures();                \r\n                if (features.length >= self.maxTotalFeatures) {\r\n                    var fast = true;\r\n                    self.streetVectorSource.clear(fast);                   \r\n                }\r\n\r\n\r\n                //buffer the extent by 1km (assuming projection is in m)\r\n                //var bufferedExtent = ol.extent.buffer(extent, 1000);\r\n                //buffer the extent by 15%\r\n\r\n                let widthInMetres = ol.extent.getWidth(extent);\r\n                let bufferedExtent = ol.extent.buffer(extent, widthInMetres * 0.15);\r\n\r\n                \r\n\r\n                this.resolution = resolution;\r\n                var url = self.mapServerUrl + '&SERVICE=WFS&' +\r\n                    'VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=StreetLines&' +\r\n                    'SRSNAME=EPSG:27700&BBOX=' + bufferedExtent.join(', ') +\r\n                    ' &outputformat=geojson&count=' + self.maxFeatures;\r\n\r\n                self.oopsAlert.style.display = 'none';\r\n                showIndicator();\r\n                var xhr = new XMLHttpRequest();\r\n                \r\n                xhr.open('GET', url);\r\n                // The header must be after `.open()`, but before `.send()`\r\n                xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');\r\n\r\n                var onError = function () {\r\n                    //alert('eror');\r\n                    self.streetVectorSource.removeLoadedExtent(bufferedExtent);\r\n                    hideIndicator();\r\n                };\r\n                xhr.onerror = onError;\r\n                xhr.onload = function () {\r\n                    if (xhr.status === 200) {\r\n                        var text = xhr.responseText;\r\n                        //alert(text);\r\n                        // we get 200 status code even for access denied and not found so try catch\r\n                        try {\r\n                            var features = self.streetVectorSource.getFormat().readFeatures(text);\r\n                            self.streetVectorSource.addFeatures(features);\r\n                                                      \r\n                            if (zoomToUsrn) {\r\n                                //find the feature\r\n\r\n                                if (usrnSelectionSource !== \"fts_search\") {\r\n                                    //clear the search term\r\n                                    ftsQuery = \"\";\r\n                                }\r\n\r\n                                for (var i = 0; i < features.length; i++) {\r\n                                    var props = features[i].getProperties();\r\n                                    if (props.usrn == usrn) {\r\n                                        var geom = features[i].getGeometry();\r\n                                        var coord = geom.getFirstCoordinate();\r\n\r\n                                        //check if coord is with map extent\r\n                                        //if the street is long and curved the coord may not always be on th emap\r\n                                        var ex = self.map.getView().calculateExtent(self.map.getSize());\r\n                                        if (!ol.extent.containsCoordinate(ex, coord)) {                                           \r\n                                            self.map.getView().setCenter(coord);\r\n                                        }\r\n\r\n                                        window.setTimeout(function () {\r\n                                            showFeaturesAtCoordinateUsrn(coord, usrn, usrnSelectionSource, ftsQuery);\r\n                                            zoomToUsrn = false;\r\n                                            usrn = null;\r\n                                            usrnSelectionSource = null;\r\n                                        }, 500);\r\n                                        break;\r\n                                    }\r\n                                }\r\n                            }\r\n\r\n                            mapLayerExtentsLoader.storeExtent(self.streetVectorLayer, bufferedExtent, self.map.getView().getZoom(), features.length);\r\n\r\n                            //log, request bounds + center point\r\n                            events.dispatch(nsgEvents.mapWfsRequest, {\r\n                                minX: bufferedExtent[0],\r\n                                minY: bufferedExtent[1],\r\n                                maxX: bufferedExtent[2],\r\n                                maxY: bufferedExtent[3],\r\n                                centrePointX: ol.extent.getCenter(bufferedExtent)[0],\r\n                                centrePointY: ol.extent.getCenter(bufferedExtent)[1]\r\n                            }); \r\n                        }\r\n                        catch (err) {\r\n\r\n                            console.log(err);\r\n                            //alert(err);\r\n                            console.log('response was:  ' + text);\r\n                            hideIndicator();\r\n                            self.oopsAlert.style.display = 'block';\r\n                        }\r\n                       \r\n                        hideIndicator();\r\n                    } else {\r\n                        \r\n                        onError();   \r\n                    }\r\n                };\r\n                xhr.send();\r\n            },           \r\n            strategy: ol.loadingstrategy.bbox\r\n        });\r\n        \r\n        self.streetVectorLayer = new ol.layer.Vector({            \r\n            style: function (feature) {\r\n\r\n                var usrn = feature.get(self.idProp)\r\n                var selected = typeof self.selection[usrn] !== \"undefined\";\r\n                var differentClassification = false;\r\n\r\n                if (selected) {\r\n                    differentClassification = (feature.get(\"type3_street_classification\") != self.selection[usrn]);\r\n                }\r\n\r\n                if (!selected) {\r\n                    //return standard street style\r\n                    return new ol.style.Style({\r\n                        stroke: new ol.style.Stroke({\r\n                            color: \"rgba(0, 0, 255, 1.0)\",\r\n                            width: 2\r\n                        })\r\n                    });\r\n                }\r\n\r\n                if (differentClassification) {\r\n                    return new ol.style.Style({\r\n                        stroke: new ol.style.Stroke({\r\n                            color: \"rgba(255, 0, 0, 1.0)\",\r\n                            width: 5,\r\n                            lineDash: [10]\r\n                        })\r\n                    });\r\n                }\r\n                else {\r\n                    return new ol.style.Style({\r\n                        stroke: new ol.style.Stroke({\r\n                            color: \"rgba(255, 0, 0, 1.0)\",\r\n                            width: 5\r\n                        })\r\n                    });\r\n                }                               \r\n            },            \r\n            minResolution: 0.109375, //zoom13\r\n            maxResolution:3.5 //zoom 8\r\n        });\r\n\r\n        self.streetVectorLayer.set(\"name\", \"streets\", true);\r\n        addWards();\r\n        addHighwayAuthority();        \r\n        self.mapLayers.push(self.streetVectorLayer);\r\n        self.streetVectorLayer.setSource(self.streetVectorSource);\r\n\r\n       \r\n        var attribution = new ol.control.Attribution({\r\n            collapsible: false\r\n        });\r\n        \r\n        var map = new ol.Map({\r\n            //overlays: [self.overlay],\r\n            target: self.elementId,\r\n            layers: self.mapLayers,\r\n            interactions: ol.interaction.defaults({\r\n                altShiftDragRotate: false,\r\n                pinchRotate: false\r\n            }),\r\n           controls: ol.control.defaults({ attribution: false }).extend([attribution]),\r\n            view: getView()\r\n        });\r\n\r\n        map.getView().setZoom(self.initialZoom);\r\n        map.on('moveend', onMapChange);\r\n\r\n        map.on(\"click\", function (evt) {\r\n            mapFts.hide();\r\n        });\r\n\r\n        map.on(\"movestart\", function (evt) {\r\n            mapFts.hide();\r\n            $(\"#street-search-tabs .clearer\")[0].click();            \r\n        });\r\n\r\n        return map;\r\n    }\r\n\r\n    function addHighwayAuthority() {\r\n        let mapSettings = mapStore.settings();\r\n        let visible = (mapSettings.overlays.highway_authority === true);\r\n        let layer = mapOverLays.highwayAuthority();\r\n        layer.setVisible(visible)\r\n        self.mapLayers.push(layer)\r\n\r\n        $(\"#imgProviderBoundaries\").attr(\"src\", mapOverLays.highwayAuthorityLegendUrl());\r\n        $(\"#chkProviderBoundaries\").prop(\"checked\", visible);\r\n\r\n        $(\"#chkProviderBoundaries\").on(\"change\", function () {            \r\n            let checked = $(this).prop(\"checked\");\r\n            layer.setVisible(checked);            \r\n            mapStore.onLayerVisibiltyChanged(\"highway_authority\", checked);\r\n        });\r\n    }\r\n\r\n    function addWards() {\r\n        let mapSettings = mapStore.settings();\r\n        let visible = (mapSettings.overlays.wards === true);\r\n        let layer = mapOverLays.wards();\r\n        layer.setVisible(visible)\r\n        self.mapLayers.push(layer)\r\n\r\n        $(\"#imgWards\").attr(\"src\", mapOverLays.wardsLegendUrl());\r\n        $(\"#chkWards\").prop(\"checked\", visible);\r\n\r\n        $(\"#chkWards\").on(\"change\", function () {\r\n            let checked = $(this).prop(\"checked\");\r\n            layer.setVisible(checked);\r\n            mapStore.onLayerVisibiltyChanged(\"wards\", checked);\r\n        });\r\n    }\r\n    \r\n    function getView() {\r\n\r\n        self.view = new ol.View({\r\n            projection: self.projection,\r\n            center: self.mapCenter,\r\n            resolutions: self.resolutions,           \r\n            extent: self.oS_extent,            \r\n            maxZoom: 10,\r\n            minZoom: 1\r\n        });\r\n\r\n        self.view.on(\"change:resolution\", onMapChange);\r\n        return self.view;\r\n    }\r\n    \r\n    function addMapControls(map) {\r\n        var mousePositionControl = new ol.control.MousePosition({\r\n            coordinateFormat: function (coordinate) {\r\n                //console.log(coordinate);\r\n                try {\r\n                    return coordinate[0].toFixed(0) + \" \" + coordinate[1].toFixed(0);               \r\n                }\r\n                catch (err) {\r\n                    return \"Out of Range\";\r\n                }\r\n            },            \r\n            projection: \"EPSG:27700\",\r\n            className: \"custom-mouse-position\",\r\n            target: document.getElementById(\"mouse-position\"),            \r\n            undefinedHTML: 'Mouse Position'\r\n        });\r\n\r\n        map.addControl(mousePositionControl);\r\n        map.addControl(new ol.control.ScaleLine({\r\n            units: 'metric'            \r\n        })\r\n        );\r\n        map.addControl(new ol.control.FullScreen());       \r\n    }\r\n\r\n    function showZoomInfo() {\r\n        var heading = document.getElementById(self.zoomInfoId);\r\n        heading.style.display = 'block';\r\n    }\r\n\r\n    function hideZoomInfo() {\r\n        var heading = document.getElementById(self.zoomInfoId);\r\n        heading.style.display = 'none';\r\n    }\r\n\r\n    function showIndicator() {\r\n        var indicator = document.getElementById(self.loaderId);\r\n        indicator.style.display = 'block';\r\n    }\r\n\r\n    function hideIndicator() {\r\n        var indicator = document.getElementById(self.loaderId);\r\n        indicator.style.display = 'none';\r\n    }\r\n    \r\n    _constructor(\r\n        elementId,\r\n        loaderId,\r\n        zoomInfoId,\r\n        oopsAlertId\r\n    );\r\n    \r\n}\r\n\r\n\r\n","var mapLayerExtentsLoader = function () {\r\n\r\n    var _layerExtents;\r\n\r\n    function init() {\r\n        _layerExtents = [];\r\n    }\r\n\r\n    function reloadLayer(currentExtent, layer, zoom, maxFeatureCount, alwaysLoadOnZoom) {\r\n        var hasChanged = false;\r\n        var previousExtent = null;\r\n\r\n        //get the stored/previous extent for this layer\r\n        for (var i = 0; i < _layerExtents.length; i++) {\r\n            var lyrEx = _layerExtents[i];\r\n            if (lyrEx.layer.get(\"name\") === layer.get(\"name\")) {\r\n                previousExtent = lyrEx;\r\n                break;\r\n            }\r\n        }\r\n\r\n        if (previousExtent === null) {\r\n            hasChanged = true;\r\n\r\n        } else {\r\n            if (zoom !== previousExtent.zoomLevel && alwaysLoadOnZoom) {\r\n                hasChanged = true;\r\n\r\n            } else if (!ol.extent.containsExtent(previousExtent.extent, currentExtent)) {\r\n                //the new extent is NOT within the old one            \r\n                hasChanged = true;\r\n\r\n            } else if (zoom !== previousExtent.zoomLevel && maxFeatureCount !== Infinity && previousExtent.featureCount === maxFeatureCount) {\r\n                //zoom level has changed\r\n                //the new bounds will be contained but re-fetch the data if the maxcount was reached last time\r\n                //otherwise the user won't see all the points as they zoom in            \r\n                hasChanged = true;\r\n            }\r\n        }\r\n        return hasChanged;\r\n    }\r\n\r\n    function storeExtent(layer, newExtent, zoom, featureCount) {        \r\n\r\n        //find the extent help and set the new extent\r\n        for (var i = 0; i < _layerExtents.length; i++) {\r\n            var lyrEx = _layerExtents[i];\r\n            if (lyrEx.layer.get(\"name\") === layer.get(\"name\")) {\r\n                lyrEx.zoomLevel = zoom;\r\n                lyrEx.extent = newExtent;\r\n                lyrEx.featureCount = featureCount;\r\n                return;\r\n            }\r\n        }       \r\n\r\n        //not returned, so add to array\r\n        _layerExtents.push({\r\n            layer: layer,\r\n            zoomLevel: zoom,\r\n            extent: newExtent,\r\n            featureCount: featureCount\r\n        });\r\n    }\r\n\r\n    return {\r\n        init: init,\r\n        storeExtent: storeExtent,\r\n        reloadLayer: reloadLayer\r\n    }\r\n\r\n}();","var mapGazetteer = function () {\r\n    let _events,\r\n        _map,\r\n        _container,\r\n        _displayProjection,\r\n        _gazResults,\r\n        _input,\r\n        _noResults,\r\n        _loadingIndicator,\r\n        _pointLayer,\r\n        _searchResults = [],\r\n        _zoomToLevel = 12,\r\n        _initialised = false;\r\n\r\n    function init(map) {\r\n        if (!_initialised) {\r\n            _events = nsgEvents.events();\r\n            _map = map;\r\n            _displayProjection = \"EPSG:27700\";\r\n            _container = $(\"#gazSearch\");            \r\n            initPointLayer();\r\n          \r\n            ////get an handle on all the html elements            \r\n            _gazResults = $(\"#gazResults\");\r\n            _input = $(\"#gazetteerInput\");\r\n            _noResults = $(\"#noGazResults\");\r\n            _loadingIndicator = $(\"#gazLoading\");\r\n            initPointLayer();\r\n            addHandlers();\r\n            _initialised = true;\r\n        }\r\n    }\r\n\r\n    function initPointLayer() {\r\n        locationPinStyle = new ol.style.Style({\r\n            text: new ol.style.Text({\r\n                text: '\\uf3c5',\r\n                font: 'normal 52px \"Font Awesome 6 Pro\"',\r\n                textBaseline: 'bottom',\r\n                fill: new ol.style.Fill({\r\n                    color: '#ff0000'\r\n                })\r\n            })\r\n        });      \r\n\r\n        _pointLayer = new ol.layer.Vector({\r\n            source: new ol.source.Vector(),\r\n            style: locationPinStyle\r\n        });\r\n\r\n        _map.addLayer(_pointLayer);\r\n    }   \r\n\r\n    function addHandlers() {\r\n        //setup the clearer on the input textbox\r\n        $(\"#gazSearch .hasclear\").keyup(function () {\r\n            let t = $(this);\r\n            t.next('span').toggle(Boolean(t.val()));\r\n        });\r\n        $(\"#gazSearch .clearer\").hide(function () {\r\n            $(this).prev('input').val();\r\n        });\r\n\r\n        $(\"#gazSearch .clearer\").click(function () {\r\n            $(this).prev('input').val('').focus();\r\n            $(this).hide();\r\n            _gazResults.empty();\r\n            _gazResults.hide();\r\n            _noResults.hide();\r\n            _pointLayer.getSource().clear();\r\n        });\r\n\r\n        //set the input click and enter key press handlers\r\n        _input.keypress(function (e) {\r\n            if (e.which === 13) {\r\n                find(_input.val());\r\n            }\r\n        });        \r\n        $(\"#btnPostcodeSearch\").on(\"click\", function () {            \r\n            _gazResults.empty();\r\n            _gazResults.hide();\r\n            _noResults.hide();\r\n            _pointLayer.getSource().clear();\r\n\r\n            find(_input.val());\r\n        });\r\n\r\n        $(\"#btnCloseGazAlert\").click(function () {           \r\n            _noResults.hide();\r\n        });\r\n      \r\n        _events.addListener(nsg_events.mapPopupFeatureSelected, function (data) {\r\n            _pointLayer.getSource().clear();\r\n        });\r\n        \r\n        _events.addListener(nsg_events.usrnSearchSelected, function (data) {\r\n            _pointLayer.getSource().clear();\r\n        });\r\n\r\n        _events.addListener(nsg_events.streetSearchSelected, function (data) {\r\n            _pointLayer.getSource().clear();\r\n        });\r\n\r\n        window.addEventListener(\"click\", function (event) {\r\n            if (_gazResults.is(\":visible\")) {               \r\n                if (!event.target.matches('.dropdown-item') && !event.target.matches('.clearer')) {\r\n                    _gazResults.empty();\r\n                    _gazResults.hide();\r\n                }\r\n            }            \r\n        });\r\n\r\n    }\r\n\r\n    function getSearchType(searchTerm) {\r\n        //if (/\\d/.test(searchTerm)) {//If the search term has numeric characters then it's not a placename\r\n        //    return \"postcode\";\r\n        //}\r\n        //else {\r\n        //    return \"location\";\r\n        //}\r\n        return \"postcode\";\r\n    }\r\n\r\n    function find(searchTerm) {\r\n        let searchType = getSearchType(searchTerm);\r\n\r\n        if (searchTerm.trim() === \"\") {\r\n            return;\r\n        }\r\n\r\n        switch (searchType) {\r\n            case \"postcode\":\r\n                findPostcode(searchTerm);\r\n                break;\r\n\r\n            case \"location\":\r\n                findLocation(searchTerm);\r\n                break;\r\n        }\r\n    }\r\n\r\n    function findPostcode(searchTerm) {\r\n        searchGazetteer({\r\n            url: \"api/GeoNames/PostCode\",\r\n            postalcode: searchTerm\r\n        });\r\n    }\r\n\r\n    function findLocation(searchTerm) {\r\n        searchGazetteer({\r\n            url: \"api/GeoNames/Location\",\r\n            name_startsWith: searchTerm\r\n        });\r\n    }\r\n\r\n    function searchGazetteer(params) {\r\n        let url = params.url;\r\n        delete params.url;\r\n\r\n        toggleGazSearching(true);\r\n\r\n        $.ajax({\r\n            url: url,\r\n            data: params,\r\n            success: function (e) {\r\n                try {\r\n                    onSearchGazetteerResult(e);\r\n                } catch (err) {\r\n                    toggleGazSearching(false);\r\n                    console.error(err);\r\n                }\r\n            },\r\n            dataType: \"json\"\r\n        }).always(function () {\r\n            toggleGazSearching(false);\r\n        });\r\n    }\r\n\r\n    function onSearchGazetteerResult(e) {\r\n        if (e.geonames && e.geonames.length > 0) {\r\n            //one or more matches - placename search\r\n            processSearchResult(e.geonames, _zoomToLevel);\r\n\r\n        } else if (e.postalCodes && e.postalCodes.length > 0) {\r\n            //one or more matches - postcode search\r\n            processSearchResult(e.postalCodes, _zoomToLevel);\r\n        } else {\r\n            _gazResults.empty();  \r\n            _gazResults.hide();\r\n            _noResults.show();\r\n            window.setTimeout(function () {\r\n                _noResults.hide();\r\n            }, 5000);\r\n        }\r\n    }\r\n\r\n    function processSearchResult(matches, zoomToLevel) {\r\n        let locations = [],\r\n            location;\r\n\r\n        //remove all existing entries      \r\n        _gazResults.empty();\r\n        _gazResults.hide();\r\n        _noResults.hide();\r\n               \r\n\r\n        for (let m of matches) {\r\n            //transform fails if there are only a few decimal places in the result coords, force value to a float\r\n            let coord3857 = ol.proj.transform([parseFloat(m.lng), parseFloat(m.lat)], \"EPSG:4326\", _displayProjection);\r\n                       \r\n            location = {\r\n                Easting: coord3857[0],\r\n                Northing: coord3857[1],\r\n                Name: m.name || m.postalCode,\r\n                Name2: m.name || m.postalCode,\r\n                ZoomLevel: zoomToLevel\r\n            };\r\n\r\n            if (m.adminName2) {\r\n                location.Name += ` (${m.adminName2})`;\r\n            }\r\n\r\n            if (m.adminCode1 === \"WLS\" || m.adminCode1 === \"ENG\") {                \r\n                locations.push(location);            \r\n            }            \r\n        }\r\n\r\n        _searchResults = [];\r\n\r\n        if (locations.length === 0) {           \r\n            _noResults.show();\r\n\r\n            window.setTimeout(function () {\r\n                _noResults.hide();\r\n            }, 5000);\r\n\r\n        } else if (locations.length > 1) {\r\n\r\n            //add empty option\r\n            //_gazResults.append(`<option>Please select</option>`);                        \r\n\r\n            for (let i = 0; i < locations.length; i++) {\r\n                /*_gazResults.append(`<option data-result-index=\"${i}\">${locations[i].Name}</option>`);*/\r\n                _gazResults.append(`<button data-result-name2=\"${locations[i].Name2}\" data-result-index=\"${i}\" class=\"dropdown-item\" role=\"option\">${locations[i].Name}</button>`);\r\n                _searchResults.push(locations[i]);\r\n            }\r\n            _gazResults.show();\r\n            _gazResults.find(\"button\")[0].focus();           \r\n\r\n            _gazResults.find(\".dropdown-item\").click(function () {                \r\n                let selectedIndex = parseInt($(this)[0].dataset.resultIndex);\r\n                let name = $(this)[0].dataset.resultName2;\r\n                $(\"#gazetteerInput\").val(name);\r\n                showOnMap(selectedIndex);\r\n            });\r\n\r\n        } else if (locations.length === 1) {\r\n            let coord3857 = [locations[0].Easting, locations[0].Northing];\r\n            addPinAndCenterMap(coord3857, zoomToLevel);\r\n        }\r\n    }\r\n\r\n\r\n    function toggleGazSearching(show) {\r\n        if (show) {\r\n            _loadingIndicator.css('visibility', 'visible');\r\n        }\r\n        else {\r\n            _loadingIndicator.css('visibility', 'hidden');\r\n        }\r\n    }\r\n\r\n    function showOnMap(selectedIndex) {\r\n\r\n        if (_searchResults.length > 0 && _searchResults.length >= selectedIndex) {\r\n            let coord = [_searchResults[selectedIndex].Easting, _searchResults[selectedIndex].Northing];\r\n            addLocationPin(coord);\r\n            addPinAndCenterMap(coord, _searchResults[selectedIndex].ZoomLevel);\r\n        }\r\n    }\r\n\r\n    function addPinAndCenterMap(coord, zoomToLevel) {\r\n        addLocationPin(coord);\r\n        _map.getView().setCenter(coord);\r\n        _map.getView().setZoom(zoomToLevel);\r\n    }\r\n\r\n    function addLocationPin(displayCoordinates) {\r\n        let locationFeature = new ol.Feature({\r\n            geometry: new ol.geom.Point(displayCoordinates),\r\n        });\r\n\r\n        //locationFeature.setStyle(locationPinStyle);\r\n        _pointLayer.getSource().clear();\r\n        _pointLayer.getSource().addFeature(locationFeature);\r\n    }\r\n\r\n    return {\r\n        init: init\r\n    }\r\n\r\n}();","var mapOverLays = function () {\r\n\r\n    var url;\r\n\r\n    function init(wmsUrl) {\r\n        url = wmsUrl;\r\n    }\r\n\r\n    function highwayAuthority() {\r\n        return getImageWms(\"HighwaysAuthorityBoundaries\");        \r\n    }\r\n\r\n    function highwayAuthorityLegendUrl() {\r\n        return getLegendGraphicUrl(\"HighwaysAuthorityBoundaries\");\r\n    }\r\n\r\n    function wards() {\r\n        return getImageWms(\"Wards\");\r\n    }\r\n\r\n    function wardsLegendUrl() {\r\n        return getLegendGraphicUrl(\"Wards\");\r\n    }\r\n\r\n    function getImageWms(layer) {\r\n        var wmsLayerSource = new ol.source.ImageWMS({\r\n            url: url,\r\n            params: {\r\n                LAYERS: layer,\r\n                VERSION: \"1.3.0\"\r\n            },\r\n            projection: \"EPSG:27700\",\r\n            serverType: \"mapserver\"\r\n        });\r\n\r\n        var layer = new ol.layer.Image({\r\n            source: wmsLayerSource,\r\n            visible: true\r\n        });\r\n\r\n        return layer;\r\n    }\r\n\r\n    function getLegendGraphicUrl(layer) {\r\n        return url + \"&service=wms&version=1.3.0&request=getlegendgraphic&layer=\" + layer + \"&format=image/png&SLD_VERSION=1.1.0\"\r\n    }\r\n\r\n    return {\r\n        init: init,\r\n        highwayAuthority: highwayAuthority,\r\n        highwayAuthorityLegendUrl: highwayAuthorityLegendUrl,\r\n        wards: wards,\r\n        wardsLegendUrl: wardsLegendUrl\r\n    }\r\n\r\n}();\r\n\r\n            //var mapOverLays = function () {\r\n\r\n//    function highwayAuthority(wmsUrl) {\r\n\r\n//        var layer = new ol.layer.Tile({\r\n//            source: new ol.source.TileWMS({\r\n//                url: wmsUrl,\r\n//                params: {\r\n//                    LAYERS: \"HighwaysAuthorityBoundaries\",\r\n//                    VERSION: \"1.3.0\",\r\n//                    TILED: true\r\n//                },\r\n//                tileGrid: new ol.tilegrid.TileGrid({\r\n//                    origin: [0, 0],\r\n//                    resolutions: [1000, 500, 250, 100, 50, 25, 10, 5, 2.5, 1, 0.5, 0.25],\r\n//                }),\r\n//                projection: \"EPSG:27700\",\r\n//                serverType: \"mapserver\"\r\n//            }),\r\n//            visible: true\r\n//        });\r\n\r\n//        return layer;\r\n//    }\r\n\r\n//    return {\r\n//        highwayAuthority: highwayAuthority\r\n//    }\r\n\r\n//}();","//stores the last map bounds and visible layers\r\nvar mapStore = function () {\r\n    var map,\r\n        storeKey;\r\n\r\n    function init(theKey) {\r\n        storeKey = theKey;\r\n    }\r\n\r\n    function initMap(theMap, enableBoundsTracking) {\r\n        map = theMap;\r\n\r\n        if (enableBoundsTracking) {\r\n            //remember map extent\r\n            map.on('moveend', debounce(onMapMoveEnd,100));\r\n        }\r\n    }\r\n\r\n    function onMapMoveEnd(e) {\r\n        var localMap = e.map;\r\n        var m = getMapStorage();\r\n\r\n        m.centre = map.getView().getCenter();\r\n        m.zoom = localMap.getView().getZoom();\r\n\r\n        saveMapStorage(m);\r\n    }\r\n\r\n    function isLayerVisible(name, defaultValue) {\r\n        var m = getMapStorage();\r\n        if (typeof m.overlays[name] === \"undefined\") {\r\n            m.overlays[name] = defaultValue;\r\n            saveMapStorage(m);\r\n        }\r\n        return m.overlays[name];\r\n    }\r\n\r\n    function onLayerVisibiltyChanged(name, visible) {\r\n        var m = getMapStorage();\r\n        m.overlays[name] = visible;\r\n        saveMapStorage(m);\r\n    }\r\n  \r\n    function getMapStorage() {               \r\n      \r\n        var m = storage.getValueFromJson(storeKey) ||\r\n        {\r\n            centre: [452000, 314752],\r\n            zoom: 0,                     \r\n            overlays: {\r\n                highway_authority: false,\r\n                wards: false\r\n            }\r\n        };\r\n      \r\n        return m;\r\n    }\r\n\r\n    function saveMapStorage(mapStoreObj) {\r\n        storage.setValue(storeKey, JSON.stringify(mapStoreObj));\r\n    }\r\n\r\n    function clear() {\r\n        storage.clear(storeKey);\r\n    }\r\n\r\n    const debounce = (func, wait) => {\r\n        let timeout;\r\n\r\n        return function executedFunction(...args) {\r\n            const later = () => {\r\n                clearTimeout(timeout);\r\n                func(...args);\r\n            };\r\n\r\n            clearTimeout(timeout);\r\n            timeout = setTimeout(later, wait);\r\n        };\r\n    };\r\n\r\n    return {\r\n        init: init,\r\n        initMap: initMap,\r\n        settings: getMapStorage,\r\n        isLayerVisible: isLayerVisible,\r\n        onLayerVisibiltyChanged: onLayerVisibiltyChanged,       \r\n        saveMapStorage: saveMapStorage,\r\n        clear: clear\r\n    };\r\n}();","storage = function () {\r\n\r\n    //remap to local var\r\n    var store = localStorage;\r\n    var sessionStore = sessionStorage;\r\n\r\n    //returns true if HTML5 storage is present\r\n    function canStore() {\r\n        return typeof (Storage) !== \"undefined\";\r\n    }\r\n\r\n    //set a storage value\r\n    function setValue(name, value) {\r\n        if (canStore) {\r\n            store[name] = value;\r\n        }\r\n    }\r\n\r\n    function setSessionValue(name, value) {\r\n        if (canStore) {\r\n            sessionStore[name] = value;\r\n        }\r\n    }\r\n\r\n    //get a value by name from the store\r\n    function getValue(name) {\r\n        if (canStore) {\r\n            var val = store[name];\r\n            return (typeof val === 'undefined') ? null : val;\r\n        }\r\n        return null;\r\n    }\r\n\r\n    function getSessionValue(name) {\r\n        if (canStore) {\r\n            var val = sessionStore[name];\r\n            return (typeof val === 'undefined') ? null : val;\r\n        }\r\n        return null;\r\n    }\r\n\r\n    //get value from the store and parse it\r\n    function getValueFromJson(name) {\r\n        if (canStore) {\r\n            if (store[name] != null) {\r\n                return JSON.parse(store[name]);\r\n            }\r\n        }\r\n        return null;\r\n    }\r\n\r\n    function getSessionValueFromJson(name) {\r\n        if (canStore) {\r\n            if (sessionStore[name] != null) {\r\n                return JSON.parse(sessionStore[name]);\r\n            }\r\n        }\r\n        return null;\r\n    }\r\n\r\n    function setArray(name, value) {\r\n        if (canStore) {\r\n            store[name] = JSON.stringify(value);\r\n        }\r\n    }\r\n\r\n    function getArray(name) {\r\n        if (canStore) {\r\n            if (store[name] != null) {\r\n                return JSON.parse(store[name]);\r\n            }\r\n        }\r\n        return [];\r\n    }\r\n\r\n    function clearFromSession(name) {\r\n        if (canStore) {\r\n            sessionStore.removeItem(name);\r\n        }\r\n    }\r\n\r\n    function clear(name) {\r\n        if (canStore) {\r\n            store.removeItem(name);\r\n        }\r\n    }\r\n\r\n    return {\r\n        setValue: setValue,\r\n        setSessionValue: setSessionValue,\r\n        getValue: getValue,\r\n        getSessionValue: getSessionValue,\r\n        clear: clear,\r\n        clearFromSession: clearFromSession,\r\n        getValueFromJson: getValueFromJson,\r\n        getSessionValueFromJson: getSessionValueFromJson,\r\n        getArray: getArray,\r\n        setArray: setArray\r\n    }\r\n\r\n}();\r\n\r\n"]}