Fresh-Food-Finder/www/js/viewAssembler.js
Andrew Trice 365542dda2 initial commit
initial commit - full source
2012-06-18 12:52:48 -04:00

383 lines
13 KiB
JavaScript

var templates = {
aboutViewTemplate:"views/aboutViewTemplate.html",
defaultViewTemplate:"views/defaultViewTemplate.html",
findMarketsNearMeViewTemplate:"views/findMarketsNearMeViewTemplate.html",
geoPermissionDeniedViewTemplate:"views/geoPermissionDeniedViewTemplate.html",
mapViewTemplate:"views/mapViewTemplate.html",
marketDetailsViewTemplate:"views/marketDetailsViewTemplate.html",
marketMapViewTemplate:"views/marketMapViewTemplate.html",
marketsNearMeViewTemplate:"views/marketsNearMeViewTemplate.html",
searchResultsViewTemplate:"views/searchResultsViewTemplate.html",
searchViewTemplate:"views/searchViewTemplate.html",
loaded: 0,
requested: 0
};
var ___templatesLoadedCallback;
function loadTemplates(callback) {
___templatesLoadedCallback = callback;
//load Mousetache HTML templates
for (var key in templates) {
(function() {
var _key = key.toString();
if ( _key != "loaded" && _key != "requested" ){
templates.requested ++;
var templateLoaded = function( template ){
onTemplateLoaded( template, _key );
}
$.get( templates[ _key ], templateLoaded, "html" );
}
})();
}
}
function onTemplateLoaded(template, key) {
//alert( key + ": " + template);
templates[ key ] = template;
templates.loaded ++;
if ( templates.loaded == templates.requested ) {
___templatesLoadedCallback();
}
}
function isTablet() {
var _w = $(window).width();
var _h = $(window).height();
return (Math.min(_w,_h) >= 600);
}
function ViewAssembler() {
this.touchSupported = 'ontouchstart' in window;
//this.CLICK_EVENT = this.touchSupported ? 'touchend' : 'click';
this.CLICK_EVENT = 'click';
return this;
}
ViewAssembler.prototype.defaultView = function() {
var el = $( templates.defaultViewTemplate );
el.find("#nearMe").on( this.CLICK_EVENT, onNearbyViewClick );
el.find("#search").on( this.CLICK_EVENT, onSearchViewClick );
el.find("#about").on( this.CLICK_EVENT, onAboutViewClick );
return el;
}
ViewAssembler.prototype.aboutView = function() {
var el = $( templates.aboutViewTemplate );
return el;
}
ViewAssembler.prototype.findNearbyView = function() {
var el = $( templates.findMarketsNearMeViewTemplate );
return el;
}
ViewAssembler.prototype.nearbyMarketsView = function( latitude, longitude, marketsArr ) {
var result = [];
for ( var i=0; i< marketsArr.length; i++ ) {
var market = arrayToMarketObject( marketsArr[i] );
var lat1 = parseFloat(market.y);
var lon1 = parseFloat(market.x);
var lat2 = parseFloat(latitude);
var lon2 = parseFloat(longitude);
market.distance = Math.round( distance( lat1, lon1, lat2, lon2 ) );
result.push( market );
}
result.sort( function(a, b){
if ( a.distance < b.distance ) { return -1; }
else if (a.distance > b.distance ) { return 1; }
else return 0;
});
window.filteredMarkesList = result;
var viewModel = { latitude: latitude,
longitude: longitude,
mapWidth: $(window).width(),
mapHeight: 100,
markets: result
};
var template = templates.marketsNearMeViewTemplate;
var el = $( Mustache.to_html(template, viewModel) );
el.find( "li" ).on( this.CLICK_EVENT, onNearbyListItemClick );
el.find( "#mapButton" ).on( this.CLICK_EVENT, onMapButtonClick );
return el;
}
ViewAssembler.prototype.marketDetailsView = function( market ) {
var template = templates.marketDetailsViewTemplate;
return $( Mustache.to_html(template, market) );
}
ViewAssembler.prototype.searchView = function () {
var el = $( templates.searchViewTemplate );
var $state = el.find( "#search_state" );
var states = ["Alabama","Alaska","Arizona","Arkansas","California","Colorado","Connecticut","Delaware","District of Columbia","Florida","Georgia","Hawaii","Idaho","Illinois","Indiana","Iowa","Kansas","Kentucky","Louisiana","Maine","Maryland","Massachusetts","Michigan","Minnesota","Mississippi","Missouri","Montana","Nebraska","Nevada","New Hampshire","New Jersey","New Mexico","New York","North Carolina","North Dakota","Ohio","Oklahoma","Oregon","Pennsylvania","Puerto Rico","Rhode Island","South Carolina","South Dakota","Tennessee","Texas","Utah","Vermont","Virgin Islands","Virginia","Washington","West Virginia","Wisconsin","Wyoming"];
for ( var i in states ) {
$state.append($("<option></option>").text(states[i]));
}
el.find( "#searchButton" ).on( this.CLICK_EVENT, onSearchButtonClick );
return el;
}
ViewAssembler.prototype.searchResultsView = function( marketsArr, criteria ) {
var viewModel = {markets:[]};
for ( var i=0; i< marketsArr.length; i++ ) {
var market = arrayToMarketObject( marketsArr[i] );
viewModel.markets.push( market );
}
viewModel.markets.sort( function(a, b){
if ( a.marketName < b.marketName ) { return -1; }
else if (a.marketName > b.marketName ) { return 1; }
else return 0;
});
viewModel.overLength = viewModel.markets.length > 50;
viewModel.markets = viewModel.markets.slice( 0, Math.min(49, viewModel.markets.length-1));
viewModel.criteria = criteriaToString(criteria);
window.filteredMarkesList = viewModel.markets;
var template = templates.searchResultsViewTemplate;
var el = $( Mustache.to_html(template, viewModel) );
el.find( "li" ).on( this.CLICK_EVENT, onNearbyListItemClick );
el.find( "#mapButton" ).on( this.CLICK_EVENT, onSearchResultMapButtonClick );
return el;
}
ViewAssembler.prototype.geoPermissionDenied = function() {
var el = $( templates.geoPermissionDeniedViewTemplate );
return el;
}
ViewAssembler.prototype.mapView = function(centerLatLng) {
var el = $( templates.mapViewTemplate );
setTimeout( function(){
var map = new L.Map('map');
//cloudmadeUrl = 'http://{s}.tile.cloudmade.com/YOUR-API-KEY/997/256/{z}/{x}/{y}.png',
var cloudmadeUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
cloudmadeAttribution = 'Map data &copy; 2011 OpenStreetMap',
cloudmade = new L.TileLayer(cloudmadeUrl, {maxZoom: 18, attribution: cloudmadeAttribution});
map.addLayer(cloudmade);
var blueMarkerIcon = L.Icon.extend({
iconUrl: 'assets/map/marker-lightblue.png',
shadowUrl: 'assets/map/shadow.png',
iconSize: new L.Point(26, 40),
shadowSize: new L.Point(32, 39),
iconAnchor: new L.Point(14, 39),
popupAnchor: new L.Point(0, -35)
});
var yellowMarkerIcon = L.Icon.extend({
iconUrl: 'assets/map/marker-yellow.png',
shadowUrl: 'assets/map/shadow.png',
iconSize: new L.Point(26, 40),
shadowSize: new L.Point(32, 39),
iconAnchor: new L.Point(14, 40),
popupAnchor: new L.Point(13, 12)
});
var blueIcon = new blueMarkerIcon();
var yellowIcon = new yellowMarkerIcon();
var markersLayer = new L.LayerGroup();
var southWestBounds, northEastBounds, bounds;
if ( window.filteredMarkesList ) {
for ( var x=0; x<window.filteredMarkesList.length; x++ ) {
var market = window.filteredMarkesList[x];
if ( market.x != "" && market.y != "" ) {
var latLng = new L.LatLng(market.y, market.x);
var marker = new L.Marker(latLng, {icon: yellowIcon});
var popupContent = "<a class='button' href='javascript:showMarketDetailsFromMapClick(" + market.index + ");'>" + market.marketName + "</a>";
var popup = marker.bindPopup( popupContent, {offset:new L.Point(0,-35)} );
markersLayer.addLayer(marker);
if ( !southWestBounds ) {
southWestBounds = { lat:market.y, lon:market.x};
northEastBounds = { lat:market.y, lon:market.x};
}
else {
southWestBounds.lat = Math.min( southWestBounds.lat, market.y );
southWestBounds.lon = Math.min( southWestBounds.lon, market.x );
northEastBounds.lat = Math.max( northEastBounds.lat, market.y );
northEastBounds.lon = Math.max( northEastBounds.lon, market.x );
}
}
}
if ( southWestBounds ) {
//console.log(southWestBounds, northEastBounds);
var southWest = new L.LatLng(southWestBounds.lat,southWestBounds.lon),
northEast = new L.LatLng(northEastBounds.lat,northEastBounds.lon),
bounds = new L.LatLngBounds(southWest, northEast);
}
map.addLayer(markersLayer);
}
var onLocationFound = function (e) {
var radius = e.accuracy / 2;
var marker = new L.Marker(e.latlng, {icon: blueIcon});
markersLayer.addLayer(marker);
marker.bindPopup("You are within " + radius + " meters from this point");
var circle = new L.Circle(e.latlng, radius);
markersLayer.addLayer(circle);
}
var onLocationError = function (e) {
alert(e.message);
}
map.on('locationfound', onLocationFound);
map.on('locationerror', onLocationError);
if ( centerLatLng == undefined ){
if ( bounds ) {
map.fitBounds(bounds);
map.locate();
}
else {
map.locateAndSetView(7);
}
}
else {
if ( bounds ) {
map.fitBounds(bounds);
map.locate();
}
else {
map.setView( centerLatLng, (isTablet() ? 7 : 6) );
}
}
var currentViewDescriptor = window.viewNavigator.history[ window.viewNavigator.history.length-1 ];
currentViewDescriptor.showCallback = function() {
//this is to work around a weird issue in Leaflet maps in iOS, where
//dragging stops working after a new view has been pushed onto the stack
var latLng = map.getCenter();
var zoom = map.getZoom();
map.removeLayer( cloudmade );
map.removeLayer( markersLayer );
$('#mapContainer').children().remove();
$('#mapContainer').append( $("<div id='map' style='width:100%; height:100%'></div>") );
map = new L.Map('map');
map.addLayer( cloudmade );
map.addLayer( markersLayer );
map.setView( latLng, zoom, true );
}
}, 150 );
return el;
}
ViewAssembler.prototype.marketMapView = function(market) {
var template = templates.marketMapViewTemplate;
var el = $( Mustache.to_html(template, market) );
setTimeout( function(){
var map = new L.Map('map');
//cloudmadeUrl = 'http://{s}.tile.cloudmade.com/YOUR-API-KEY/997/256/{z}/{x}/{y}.png',
var cloudmadeUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
cloudmadeAttribution = 'Map data &copy; 2011 OpenStreetMap',
cloudmade = new L.TileLayer(cloudmadeUrl, {maxZoom: 18, attribution: cloudmadeAttribution});
map.addLayer(cloudmade);
var blueMarkerIcon = L.Icon.extend({
iconUrl: 'assets/map/marker-lightblue.png',
shadowUrl: 'assets/map/shadow.png',
iconSize: new L.Point(26, 40),
shadowSize: new L.Point(32, 39),
iconAnchor: new L.Point(14, 39),
popupAnchor: new L.Point(0, -35)
});
var yellowMarkerIcon = L.Icon.extend({
iconUrl: 'assets/map/marker-yellow.png',
shadowUrl: 'assets/map/shadow.png',
iconSize: new L.Point(26, 40),
shadowSize: new L.Point(32, 39),
iconAnchor: new L.Point(14, 40),
popupAnchor: new L.Point(13, 12)
});
var blueIcon = new blueMarkerIcon();
var yellowIcon = new yellowMarkerIcon();
var markersLayer = new L.LayerGroup();;
if ( market ) {
var latLng = new L.LatLng(market.y, market.x);
var marker = new L.Marker(latLng, {icon: yellowIcon});
var popupContent = "<a class='button' href='javascript:showMarketDetailsFromMapClick(" + market.index + ");'>" + market.marketName + "</a>";
marker.bindPopup( popupContent, {offset:new L.Point(0,-35)} );
markersLayer.addLayer(marker);
map.addLayer(markersLayer);
}
var onLocationFound = function (e) {
var radius = e.accuracy / 2;
var marker = new L.Marker(e.latlng, {icon: blueIcon});
markersLayer.addLayer(marker);
marker.bindPopup("You are within " + radius + " meters from this point");
var circle = new L.Circle(e.latlng, radius);
markersLayer.addLayer(circle);
}
var onLocationError = function (e) {
alert(e.message);
}
map.on('locationfound', onLocationFound);
map.on('locationerror', onLocationError);
map.locate();
map.setView( new L.LatLng( market.y, market.x ), 14 );
}, 150 );
return el;
}