flopp / FloppsMap

  indent: 4

*/

/*global

  $, google, Url, Lang, Lines, Markers, Conversion, Coordinates, trackMarker, showAlert,

  id2alpha, alpha2id,

  showLinkDialog,

  osmProvider, osmDeProvider, thunderforestProvider, opentopomapProvider,

  Attribution, Sidebar, ExternalLinks, Hillshading, Geolocation, NPA, CDDA, Freifunk, Okapi, Storage,

  DownloadGPX, API_KEY_THUNDERFOREST,

  restoreCoordinatesFormat,

  document

*/

var CLAT_DEFAULT = 51.163375;

var CLON_DEFAULT = 10.447683;

var ZOOM_DEFAULT = 12;

var ZOOM_DEFAULT_GEOCACHE = 15;

var MAPTYPE_DEFAULT = "OSM";

var App = {};

App.m_map = null;

App.init = function () {

    'use strict';

    Lang.init();

    if (!App.initFromUrl(Url.getParams())) {

        App.initFromCookies();

    }

};

App.initFromUrl = function (params) {

    'use strict';

    if (params.c === undefined &&

            params.z === undefined &&

            params.t === undefined &&

            params.m === undefined &&

            params.d === undefined &&

            params.f === undefined &&

            params.g === undefined) {

        return false;

    }

    var center = Url.parseCenter(params.c),

        zoom = this.repairZoom(parseInt(params.z, 10), (params.g === undefined) ? ZOOM_DEFAULT : ZOOM_DEFAULT_GEOCACHE),

        maptype = this.repairMaptype(params.t, MAPTYPE_DEFAULT),

        markerdata = Url.parseMarkers(params.m),

        defaultCenter = false;

    if (!center && markerdata.length > 0) {

        var clat = 0,

            clng = 0;

        markerdata.map(function (m) {

            clat += m.coords.lat();

            clng += m.coords.lng();

        });

        center = new google.maps.LatLng(clat / markerdata.length, clng / markerdata.length);

    }

    if (!center) {

        center = new google.maps.LatLng(CLAT_DEFAULT, CLON_DEFAULT);

        defaultCenter = true;

    }

    App.m_map = this.createMap("themap", center, zoom, maptype);

    markerdata.map(function (m) {

        Markers.newMarker(m.coords, m.id, m.r, m.name, m.color);

    });

    Url.parseLines(params.d).map(function (m) {

        Lines.newLine(m.source, m.target);

    });

    App.restore(params.f, params.g);

    if (defaultCenter && params.g !== undefined) {

        Geolocation.whereAmI();

    }

    return true;

};

App.initFromCookies = function () {

    'use strict';

    var clat = this.repairLat(Storage.getFloat('clat', CLAT_DEFAULT)),

        clon = this.repairLon(Storage.getFloat('clon', CLON_DEFAULT)),

        defaultCenter = (clat === CLAT_DEFAULT && clon === CLON_DEFAULT),

        center = new google.maps.LatLng(clat, clon),

        zoom = this.repairZoom(Storage.getInt('zoom', ZOOM_DEFAULT), ZOOM_DEFAULT),

        maptype = this.repairMaptype(Storage.getString('maptype', MAPTYPE_DEFAULT), MAPTYPE_DEFAULT);

    App.m_map = this.createMap("themap", center, zoom, maptype);

    Storage.parseMarkers().map(function (m) {

        Markers.newMarker(m.coords, m.id, m.r, m.name, m.color);

    });

    Storage.parseLines().map(function (m) {

        Lines.newLine(m.source, m.target);

    });

    App.restore(undefined);

    if (defaultCenter) {

        Geolocation.whereAmI();

    }

};

App.restore = function (features, geocache) {

    'use strict';

    if (geocache !== undefined) {

        Okapi.setShowCache(geocache);

    }

    Sidebar.restore(true);

    if (features === undefined) {

        Hillshading.restore(false);

        Okapi.restore(false);

        NPA.toggle(false);

        CDDA.toggle(false);

        Freifunk.toggle(false);

    } else {

        features = features.toLowerCase();

        Hillshading.toggle(features.indexOf('h') >= 0);

        Okapi.toggle(features.indexOf('g') >= 0);

        NPA.toggle(features.indexOf('n') >= 0);

        Freifunk.toggle(features.indexOf('f') >= 0);

    }

    restoreCoordinatesFormat("DM");

    if (geocache !== undefined) {

        Okapi.toggle(true);

    }

};

App.storeCenter = function () {

    'use strict';

    var c = App.m_map.getCenter();

    Storage.set('clat', c.lat());

    Storage.set('clon', c.lng());

};

App.storeZoom = function () {

    'use strict';

    Storage.set('zoom', App.m_map.getZoom());

};

App.storeMapType = function () {

    'use strict';

    Storage.set('maptype', App.m_map.getMapTypeId());

};

App.getFeaturesString = function () {

    'use strict';

    var s = "";

    if ($('#geocaches').is(':checked')) {

        s += "g";

    }

    if ($('#hillshading').is(':checked')) {

        s += "h";

    }

    if ($('#npa').is(':checked')) {

        s += "n";

    }

    if ($('#freifunk').is(':checked')) {

        s += "f";

    }

    return s;

};

App.getPermalink = function () {

    'use strict';

    var lat = App.m_map.getCenter().lat(),

        lng = App.m_map.getCenter().lng(),

        geocache = Okapi.popupCacheCode(),

        url = "https://flopp.net/" +

                "?c=" + lat.toFixed(6) + ":" + lng.toFixed(6) +

                "&z=" + App.m_map.getZoom() +

                "&t=" + App.m_map.getMapTypeId() +

                "&f=" + this.getFeaturesString() +

                "&m=" + Markers.toString() +

                "&d=" + Lines.getLinesText();

    if (geocache) {

        url += "&g=" + geocache;

    }

    return url;

};

App.generatePermalink = function () {

    'use strict';

    var link = this.getPermalink();

    showLinkDialog(link);

};

App.repairLat = function (x, d) {

    'use strict';

    if (Coordinates.validLat(x)) {

        return x;

    }

    return d;

};

App.repairLon = function (x, d) {

    'use strict';

    if (Coordinates.validLng(x)) {

        return x;

    }

    return d;

};

App.repairZoom = function (x, d) {

    'use strict';

    if (x === undefined || x === null || isNaN(x) || x < 1 || x > 20) {

        return d;

    }

    return x;

};

App.repairMaptype = function (t, d) {

    'use strict';

    var mapTypes = {

        "OSM": 1,

        "OSM/DE": 1,

        "OCM": 1,

        "OUTD": 1,

        "TOPO": 1,

        "satellite": 1,

        "hybrid": 1,

        "roadmap": 1,

        "terrain": 1

    };

    if (t !== undefined && mapTypes[t]) {

        return t;

    }

    return d;

};

App.createMap = function (id, center, zoom, maptype) {

    'use strict';

    var m = new google.maps.Map(

        document.getElementById(id),

        {

            zoom: zoom,

            center: center,

            scaleControl: true,

            streetViewControl: false,

            mapTypeControlOptions: {

                mapTypeIds: ['OSM', 'OSM/DE', 'OCM', 'OUTD', 'TOPO', google.maps.MapTypeId.ROADMAP, google.maps.MapTypeId.SATELLITE, google.maps.MapTypeId.HYBRID, google.maps.MapTypeId.TERRAIN]

            },

            mapTypeId: google.maps.MapTypeId.ROADMAP

        }

    );

    m.mapTypes.set("OSM", osmProvider("OSM"));

    m.mapTypes.set("OSM/DE", osmDeProvider("OSM/DE"));

    m.mapTypes.set("OCM", thunderforestProvider("OCM", "cycle", API_KEY_THUNDERFOREST));

    m.mapTypes.set("OUTD", thunderforestProvider("OUTD", "outdoors", API_KEY_THUNDERFOREST));

    m.mapTypes.set("TOPO", opentopomapProvider("TOPO"));

    m.setMapTypeId(maptype);

    Attribution.init(m);

    Sidebar.init(m);

    ExternalLinks.init(m);

    Markers.init(m);

    Lines.init(m);

    Geolocation.init(m);

    Hillshading.init(m);

    NPA.init(m);

    CDDA.init(m);

    Freifunk.init(m);

    Okapi.init(m);

    DownloadGPX.init(m);

    google.maps.event.addListener(m, "center_changed", function () {

        App.storeZoom();

        App.storeCenter();

    });

    google.maps.event.addListener(m, "zoom_changed", function () {

        App.storeZoom();

        App.storeCenter();

    });

    google.maps.event.addListener(m, "maptypeid_changed", function () {

        App.storeMapType();

    });

    Attribution.forceUpdate();

    return m;

};

$(document).ready(function () {

    'use strict';

    App.init();

});