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Nextrek

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´╗┐using SmartCharging.Common;
using SmartCharging.DataModel;
using SmartCharging.Net;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Threading.Tasks;
using Windows.ApplicationModel.Resources;
using Windows.Devices.Geolocation;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.Graphics.Display;
using Windows.Services.Maps;
using Windows.Storage.Streams;
using Windows.System;
using Windows.UI.Core;
using Windows.UI.Popups;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Maps;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkID=390556

namespace SmartCharging
{   



    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class MapPage : Page
    {
        private NavigationHelper navigationHelper;
        private ObservableDictionary defaultViewModel = new ObservableDictionary();
        private SmartChargeAPI SMA;
        private ResourceLoader resourceLoader;
        private Config config;
        private ErrorHandler errorHandler;
        double defaultLat, defaultLon;
        int defaultZoom;
        private UserLocationHelper userLocationHelper;

        public event PropertyChangedEventHandler PropertyChanged;
        private SiteType selectedSiteType;
        private Site _selectedSite;
       
        Site selectedSite
        {
            get { return _selectedSite; }
            set
            {
                _selectedSite = value;
                // Call NotifyPropertyChanged when the source property 
                // is updated.
                NotifyPropertyChanged("selectedSite");
            }
        } 

        public MapPage()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;

            resourceLoader = ResourceLoader.GetForCurrentView("Resources");
            config = Config.Instance;
            errorHandler = new ErrorHandler();
            userLocationHelper = new UserLocationHelper();
            this.SMA = SmartChargeAPI.Instance;
        }

        /// <summary>
        /// Gets the <see cref="NavigationHelper"/> associated with this <see cref="Page"/>.
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get { return this.navigationHelper; }
        }

        /// <summary>
        /// Gets the view model for this <see cref="Page"/>.
        /// This can be changed to a strongly typed view model.
        /// </summary>
        public ObservableDictionary DefaultViewModel
        {
            get { return this.defaultViewModel; }
        }

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session.  The state will be null the first time a page is visited.</param>
        private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
           
            defaultLat = double.Parse(await config.getConfigValueByKey("DefaultMapCenterLat"));
            defaultLon = double.Parse(await config.getConfigValueByKey("DefaultMapCenterLon"));
            defaultZoom = int.Parse(await config.getConfigValueByKey("DefaultMapZoom"));
            SiteType selected = e.NavigationParameter != null ? e.NavigationParameter as SiteType : this.selectedSiteType;
            this.selectedSiteType = selected;
            Geopoint center = new Geopoint(new BasicGeoposition()
                {
                    Latitude = defaultLat,
                    Longitude = defaultLon
                });
            MapControl.LandmarksVisible = true;
      
            MapControl.Center = center;
            MapControl.ZoomLevel = defaultZoom;
            this.showLoading();

            Geopoint userLocation = await userLocationHelper.GetUserLocation();
            if (userLocation != null)
            {

                List<Site> sitesList = await GetSiteList(userLocation, selected);
                MapItemsControl.ItemsSource = sitesList;


                int zoom = 15;
                MapIcon MapIcon1 = new MapIcon();
                MapIcon1.Location = userLocation;
                MapIcon1.NormalizedAnchorPoint = new Point(1.0, 0.5);
                MapIcon1.Title = resourceLoader.GetString("YourPositionMessage");
                MapIcon1.Visible = true;
                MapIcon1.ZIndex = int.MaxValue;
                MapIcon1.Image = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/position.png"));
                MapControl.MapElements.Add(MapIcon1);
                MapControl.Center = userLocation;
                MapControl.ZoomLevel = zoom;
                List<Site> ordered = new List<Site>(sitesList.OrderBy( s =>
                {
                    double d = Math.Pow(userLocation.Position.Latitude - s.Position.Position.Latitude, 2) + Math.Pow(userLocation.Position.Longitude - s.Position.Position.Longitude, 2);
                    return d;
                }));

                if (ordered.Count >= 1)
                {
                    await this.setSelectedSite(ordered[0]);
                }
                

            }
            else
            {
                await userLocationHelper.AskForGps();
                
            }

            this.hideLoading();
            

        }


        private async Task<List<Site>> GetSiteList(Geopoint position, SiteType type)
        {

            /*if (type == null)
            {
                List<SiteType> sts = await this.SMA.getSiteTypesList();
                type = sts[0];
            }*/
           


            return await this.SMA.GetSites(position.Position, 500000, type);

          
        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
        /// <param name="e">Event data that provides an empty dictionary to be populated with
        /// serializable state.</param>
        private void NavigationHelper_SaveState(object sender, SaveStateEventArgs e)
        {
        }

        #region NavigationHelper registration

        /// <summary>
        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// <para>
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="NavigationHelper.LoadState"/>
        /// and <see cref="NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.
        /// </para>
        /// </summary>
        /// <param name="e">Provides data for navigation methods and event
        /// handlers that cannot cancel the navigation request.</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            this.navigationHelper.OnNavigatedTo(e);
        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            this.navigationHelper.OnNavigatedFrom(e);
        }

        #endregion

      

        /*load data for the selected site and apply it as datacontext for ui binding*/
        private  async Task setSelectedSite(Site site){
            /*load details only once*/
            if (site.Description == null )
            {
                this.showLoading();
                await this.SMA.GetSiteDetailsAndReviews(site, 10);
                this.hideLoading();
            }
            
            this.selectedSite = site;
            LayoutRoot.DataContext = this.selectedSite;
        }

        public void NotifyPropertyChanged(string propertyName)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(this,
                    new PropertyChangedEventArgs(propertyName));
            }
        }

        private void Button_Tapped(object sender, TappedRoutedEventArgs e)
        {

        }

        private async void Button_Tapped_1(object sender, TappedRoutedEventArgs e)
        {

            var data = ((Control)sender).DataContext;
            Site s = (Site)data;
            await this.setSelectedSite(s);
            bool res = await MapControl.TrySetViewAsync(s.Position, MapControl.ZoomLevel, 0, 0, MapAnimationKind.Linear);
        }

        private void Button_GotFocus(object sender, RoutedEventArgs e)
        {
            
        }

        private void WriteReviewButton_Tapped(object sender, TappedRoutedEventArgs e)
        {
            var aw = Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
                          () => this.Frame.Navigate(typeof(NewReviewPage), this.selectedSite));
        }

        private void Image_Tapped(object sender, TappedRoutedEventArgs e)
        {
            FlyoutBase.ShowAttachedFlyout((FrameworkElement)sender);  
        }

        private void Image_Flyout_Tapped(object sender, TappedRoutedEventArgs e)
        {
            this.ImagePreviewFlyout.Hide();
        }

        private void showLoading()
        {
            this.Loader.Visibility = Visibility.Visible;
        }

        private void hideLoading()
        {
            this.Loader.Visibility = Visibility.Collapsed;
        }
    }
}

Commits for Nextrek/Android/SmartCharging/SmartCharging_WP/SmartCharging/MapPage.xaml.cs

Diff revisions: vs.
Revision Author Commited Message
752 Diff Diff JMBauan picture JMBauan Wed 16 Sep, 2015 20:06:56 +0000

upload Avatar
Edit site

691 Diff Diff JMBauan picture JMBauan Sat 05 Sep, 2015 18:08:58 +0000

location selector

660 Diff Diff JMBauan picture JMBauan Thu 03 Sep, 2015 08:14:10 +0000
527 JMBauan picture JMBauan Mon 24 Aug, 2015 08:47:39 +0000