Subversion Repository Public Repository

Nextrek

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´╗┐using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;

using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using System.IO;
using System.Text;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Xml;
using System.Windows.Media.Imaging;
using Microsoft.Phone.Shell;

namespace OpenLavoro
{
    public partial class MainPage : PhoneApplicationPage
    {
        List<ElementList> listOfElement;
        List<ElementList> queryList;
        String oldQuery;
        
        // Costruttore
        public MainPage()
        {
            InitializeComponent();

            // Impostare il contesto dei dati nel controllo casella di riepilogo su dati di esempio
            DataContext = App.ViewModel;
            this.Loaded += new RoutedEventHandler(MainPage_Loaded);
        }

        // Caricare i dati per gli elementi ViewModel
        private void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            if (!App.ViewModel.IsDataLoaded)
            {
                App.ViewModel.LoadData();
            }
        }

        private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
        {
            checkConnection();
            SystemTray.IsVisible = false;

            WebClient webClient1 = new WebClient();
            webClient1.DownloadStringCompleted += new DownloadStringCompletedEventHandler(webClient1_DownloadStringCompleted);
            webClient1.DownloadStringAsync(new System.Uri("http://www.testdevol.nextrek.it/endpoint/categories.php"));
            
        }

        // Event handler which runs after the feed is fully downloaded.
        private void webClient1_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
            if (e.Error != null)
            {
                Deployment.Current.Dispatcher.BeginInvoke(() =>
                {
                    // Showing the exact error message is useful for debugging. In a finalized application, 
                    // output a friendly and applicable string to the user instead. 
                    MessageBox.Show(e.Error.Message);
                });
            }
            else
            {
                // Save the feed into the State property in case the application is tombstoned. 
                this.State["feed"] = e.Result;

                UpdateList(e.Result);
            }
        }

        // This method sets up the feed and binds it to our ListBox. 
        private void UpdateList(string jsonText)
        {
            listOfElement = new List<ElementList>();
            ElementList e;

            JsonTextReader jsReader = new JsonTextReader(new StringReader(jsonText));
            JObject jobj = JObject.Load(jsReader);
            var head = jobj.SelectToken("result");
            //var head2 = head.SelectToken("id");
            //var head3 = head2.SelectToken("text");

            var c = head.Children(); //lista delle schermate

            JToken token = head.Children().First();
            token = token.SelectToken("children");
            JEnumerable<JToken> tokens = token.Children();

            foreach (var child in token.Children()) //per ogni elemento della lista ("per ogni categoria di primo livello")
            {

                //String nomeCategoria = ((Newtonsoft.Json.Linq.JProperty)child).Name;
                String id = child.SelectToken("id").Value<String>();
                String nomeCategoria = child.SelectToken("name").Value<String>();
                String tipo = child.SelectToken("type").Value<String>();
                var c1 = child.SelectToken("children");

                List<ElementList> sottoCategorie;
                ElementList sc = new ElementList();
                sottoCategorie = new List<ElementList>();

                if (child.SelectToken("children") != null) 
                {
                    foreach (var child1 in c1.Children()) 
                    {
                        String id1 = child1.SelectToken("id").Value<String>();
                        String nomeCategoria1 = child1.SelectToken("name").Value<String>();
                        String tipo1 = child1.SelectToken("type").Value<String>();
                        var c2 = child1.SelectToken("children");

                        List<ElementList> articoli;
                        ElementList a = new ElementList();
                        articoli = new List<ElementList>();

                        if (child1.SelectToken("children") != null) 
                        {
                            foreach (var child2 in c2.Children()) 
                            {
                                String id2 = child2.SelectToken("id").Value<String>();
                                String nomeCategoria2 = child2.SelectToken("name").Value<String>();
                                String tipo2 = child2.SelectToken("type").Value<String>();
                                String queryString = String.Format("http://www.testdevol.nextrek.it/endpoint/article.php?id={0}", id2);

                                a = new ElementList() { Id = id2, Name = nomeCategoria2, Type = tipo2, ListCat = { }, ListArt = { }, Link = queryString, NElem = "0" };
                                articoli.Add(a);
                            }
                        }

                        sc = new ElementList(){Id = id1, Name = nomeCategoria1, Type = tipo1, ListCat = { }, ListArt = articoli, NElem = articoli.Count.ToString() };
                        sottoCategorie.Add(sc);
                    }
                    
                }
                
                e = new ElementList() { Id = id, Name = nomeCategoria, Type = tipo, ListCat = sottoCategorie, ListArt = { }, NElem = sottoCategorie.Count.ToString() };
                listOfElement.Add(e);

            }
            
            //Load the feed into a SyndicationFeed instance.
            //StringReader stringReader = new StringReader(jsonText); //superflua
            //XmlReader xmlReader = XmlReader.Create(stringReader); //superflua
            //SyndicationFeed feed = SyndicationFeed.Load(xmlReader);

            // In Windows Phone OS 7.1 or later versions, WebClient events are raised on the same type of thread they were called upon. 
            // For example, if WebClient was run on a background thread, the event would be raised on the background thread. 
            // While WebClient can raise an event on the UI thread if called from the UI thread, a best practice is to always 
            // use the Dispatcher to update the UI. This keeps the UI thread free from heavy processing.
            Deployment.Current.Dispatcher.BeginInvoke(() =>
            {
                // Bind the list of SyndicationItems to our ListBox.
                categoryListBox1.ItemsSource = listOfElement;
                //var a = categoryListBox1.ItemsSource;
                
            });
        }

        private void parseJson(String jsonText) {
            
        }

        // This method determines whether the user has navigated to the application after the application was tombstoned.
        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
        {
            // First, check whether the feed is already saved in the page state.
            if (this.State.ContainsKey("feed"))
            {
                // Get the feed again only if the application was tombstoned, which means the ListBox will be empty.
                // This is because the OnNavigatedTo method is also called when navigating between pages in your application.
                // You would want to rebind only if your application was tombstoned and page state has been lost. 
                if (categoryListBox1.Items.Count == 0)
                {
                    UpdateList(State["feed"] as string);
                }
            }
        }

        private void catPanel_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                //Controllo di una proprieta di un elemento figlio del sender (in questo caso ci aspettiamo uno stackpanel)
                StackPanel stackpanel = sender as StackPanel;
                var child = VisualTreeHelper.GetChild(stackpanel, 1);
                var child2 = VisualTreeHelper.GetChild(stackpanel, 0);
                var child21 = VisualTreeHelper.GetChild(child2, 0);
                var child211 = VisualTreeHelper.GetChild(child21, 0);
                if (e.Handled == false) //Previene la propagazione dell'evento da figlio a padre
                {
                    if (child is StackPanel)
                    {
                        StackPanel targeted_element = (StackPanel)child;
                        Image target_image = (Image)child211;
                        if (targeted_element.Visibility == System.Windows.Visibility.Visible)
                        {
                            targeted_element.Visibility = System.Windows.Visibility.Collapsed;
                            target_image.Source = new BitmapImage(new Uri("/OpenLavoro;component/images/icon_arrow_down.png", UriKind.Relative));

                        }
                        else
                        {
                            targeted_element.Visibility = System.Windows.Visibility.Visible;
                            target_image.Source = new BitmapImage(new Uri("/OpenLavoro;component/images/icon_arrow_up.png", UriKind.Relative));
                        }
                    }
                }
            }
        }

        //Boolean isSubCat = false;
        private void catPanel1_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                //Controllo di una proprieta di un elemento figlio del sender (in questo caso ci aspettiamo uno stackpanel)
                StackPanel stackpanel = sender as StackPanel;
                var child = VisualTreeHelper.GetChild(stackpanel, 1);
                var child2 = VisualTreeHelper.GetChild(stackpanel, 0);
                var child21 = VisualTreeHelper.GetChild(child2, 0);
                if (e.Handled == false) //Previene la propagazione dell'evento da figlio a padre
                {
                    if (child is StackPanel)
                    {
                        StackPanel targeted_element = (StackPanel)child;
                        Image target_image = (Image)child21;
                        if (targeted_element.Visibility == System.Windows.Visibility.Visible)
                        {
                            targeted_element.Visibility = System.Windows.Visibility.Collapsed;
                            target_image.Source = new BitmapImage(new Uri("/OpenLavoro;component/images/icon_arrow_down.png", UriKind.Relative));
                        }
                        else
                        {
                            targeted_element.Visibility = System.Windows.Visibility.Visible;
                            target_image.Source = new BitmapImage(new Uri("/OpenLavoro;component/images/icon_arrow_up.png", UriKind.Relative));
                        }
                    }
                }
                e.Handled = true; //Previene la propagazione dell'evento da figlio a padre
            }
        }

        private void articleListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                loadingPanel1.Visibility = System.Windows.Visibility.Visible;
                ListBox listBox = sender as ListBox;
                if (listBox != null && listBox.SelectedItem != null)
                {
                    // Get the SyndicationItem that was tapped.
                    ElementList sItem = (ElementList)listBox.SelectedItem;
                    webBrowser1.Navigate(new Uri(sItem.Link, UriKind.Absolute));
                }
            }
        }

        private void article_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                TextBlock textBlock = sender as TextBlock;
                String link = ((ElementList)textBlock.DataContext).Link;
                webBrowser1.Navigate(new Uri(link, UriKind.Absolute));
                loadingPanel1.Visibility = System.Windows.Visibility.Visible;
                webBrowser1.Visibility = System.Windows.Visibility.Visible;
                e.Handled = true; //Previene la propagazione dell'evento da figlio a padre
            }
        }

        private void webBrowser1_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
            webBrowser1.Visibility = System.Windows.Visibility.Visible;
            loadingPanel1.Visibility = System.Windows.Visibility.Collapsed;
            loadingPanel2.Visibility = System.Windows.Visibility.Collapsed;
            categoryListBox1.Visibility = System.Windows.Visibility.Collapsed;
        }
        private void webBrowser2_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
            webBrowser2.Visibility = System.Windows.Visibility.Visible;
            loadingPanel1.Visibility = System.Windows.Visibility.Collapsed;
            loadingPanel2.Visibility = System.Windows.Visibility.Collapsed;
        }

        private void PhoneApplicationPage_BackKeyPress(object sender, System.ComponentModel.CancelEventArgs e)
        {
            if (categoryListBox1.Visibility == System.Windows.Visibility.Visible)
            {
                MessageBoxResult m = MessageBox.Show("", "Vuoi uscire dall'app?", MessageBoxButton.OKCancel);
                if (m == MessageBoxResult.OK)
                {
                    if (Environment.OSVersion.Version.Major < 8)//try to load XNA assemblies (only working on WP7)
                    {
                        System.Reflection.Assembly asmb = System.Reflection.Assembly.Load("Microsoft.Xna.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=842cf8be1de50553");
                        asmb = System.Reflection.Assembly.Load("Microsoft.Xna.Framework.Game, Version=4.0.0.0, Culture=neutral, PublicKeyToken=842cf8be1de50553");
                        Type type = asmb.GetType("Microsoft.Xna.Framework.Game");
                        object obj = type.GetConstructor(new Type[] { }).Invoke(new object[] { });
                        type.GetMethod("Exit").Invoke(obj, new object[] { });
                    }
                    else// => WP8
                    {
                        Type type = Application.Current.GetType();
                        type.GetMethod("Terminate").Invoke(Application.Current, new object[] { });
                    }
                }
                e.Cancel = true;
            }
            else
            {
                if (webBrowser1.Visibility == System.Windows.Visibility.Visible)
                {
                    webBrowser1.Visibility = System.Windows.Visibility.Collapsed;
                    categoryListBox1.Visibility = System.Windows.Visibility.Visible;
                    e.Cancel = true;
                }
                else
                {
                    if (webBrowser2.Visibility == System.Windows.Visibility.Visible)
                    {
                        webBrowser2.Visibility = System.Windows.Visibility.Collapsed;
                        resultListBox.Visibility = System.Windows.Visibility.Visible;
                        searchButton.Visibility = System.Windows.Visibility.Collapsed;
                        e.Cancel = true;
                    }
                    else
                    {
                        if (searchPanel.Visibility == System.Windows.Visibility.Visible)
                        {
                            searchPanel.Visibility = System.Windows.Visibility.Collapsed;
                            searchButton.Visibility = System.Windows.Visibility.Visible;
                            categoryListBox1.Visibility = System.Windows.Visibility.Visible;
                            e.Cancel = true;
                        }
                        else
                        {
                            if (resultListBox.Visibility == System.Windows.Visibility.Visible)
                            {
                                resultListBox.Visibility = System.Windows.Visibility.Collapsed;
                                resultcount.Visibility = System.Windows.Visibility.Collapsed;
                                searchPanel.Visibility = System.Windows.Visibility.Visible;
                                searchButton.Visibility = System.Windows.Visibility.Collapsed;
                                e.Cancel = true;
                            }
                        }
                    }
                }
            }
        }

        private void searchButton_Click(object sender, RoutedEventArgs e)
        {
            categoryListBox1.Visibility = System.Windows.Visibility.Collapsed;
            webBrowser1.Visibility = System.Windows.Visibility.Collapsed;
            webBrowser2.Visibility = System.Windows.Visibility.Collapsed;
            searchButton.Visibility = System.Windows.Visibility.Collapsed;
            resultListBox.Visibility = System.Windows.Visibility.Collapsed;
            resultcount.Visibility = System.Windows.Visibility.Collapsed;
            searchPanel.Visibility = System.Windows.Visibility.Visible;
            
        }

        private void findButton_Click(object sender, RoutedEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                String queryString = "";
                String query = textSearched.Text;
                String orderBy = "";
                String type = "";
                j = 0;

                searchPanel.Visibility = System.Windows.Visibility.Collapsed;
                resultListBox.Visibility = System.Windows.Visibility.Visible;
                resultcount.Visibility = System.Windows.Visibility.Visible;
                loadingPanel2.Visibility = System.Windows.Visibility.Visible;
                if (oldQuery == query)
                    loadingPanel2.Visibility = System.Windows.Visibility.Collapsed;

                StackPanel searchpanel = searchPanel;
                var child1 = VisualTreeHelper.GetChild(searchpanel, 1);
                var child11 = VisualTreeHelper.GetChild(child1, 1);
                var child110 = VisualTreeHelper.GetChild(child11, 0);
                var dataradio = VisualTreeHelper.GetChild(child110, 0);
                var titoloradio = VisualTreeHelper.GetChild(child110, 1);
                var popolaritaradio = VisualTreeHelper.GetChild(child110, 2);
                var catradio = VisualTreeHelper.GetChild(child110, 3);

                var child2 = VisualTreeHelper.GetChild(searchpanel, 2);
                var child21 = VisualTreeHelper.GetChild(child2, 1);
                var child210 = VisualTreeHelper.GetChild(child21, 0);
                var esatradio = VisualTreeHelper.GetChild(child210, 0);
                var qualsiasiradio = VisualTreeHelper.GetChild(child210, 1);
                var tuttiradio = VisualTreeHelper.GetChild(child210, 2);

                if (dataradio is RadioButton || titoloradio is RadioButton || popolaritaradio is RadioButton || catradio is RadioButton)
                {
                    if (dataRadio.IsChecked == true)
                        orderBy = "creationDate";
                    if (titoloRadio.IsChecked == true)
                        orderBy = "title";
                    if (popolaritaRadio.IsChecked == true)
                        orderBy = "popularity";
                    if (catRadio.IsChecked == true)
                        orderBy = "category";
                }

                if (esatradio is RadioButton || qualsiasiradio is RadioButton || tuttiradio is RadioButton)
                {
                    if (esatRadio.IsChecked == true)
                        type = "exact";
                    if (qualsiasiRadio.IsChecked == true)
                        type = "any";
                    if (tuttiRadio.IsChecked == true)
                        type = "all";
                }

                queryString = String.Format("http://www.testdevol.nextrek.it/endpoint/search.php?query={0}&orderBy={1}&type={2}", query, orderBy, type);
                oldQuery = query;

                WebClient webClient2 = new WebClient();
                webClient2.DownloadStringCompleted += new DownloadStringCompletedEventHandler(webClient2_DownloadStringCompleted);
                webClient2.DownloadStringAsync(new System.Uri(queryString));
            }
        }

        // Event handler which runs after the feed is fully downloaded.
        private void webClient2_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
            if (e.Error != null)
            {
                Deployment.Current.Dispatcher.BeginInvoke(() =>
                {
                    // Showing the exact error message is useful for debugging. In a finalized application, 
                    // output a friendly and applicable string to the user instead. 
                    MessageBox.Show(e.Error.Message);
                });
            }
            else
            {
                // Save the feed into the State property in case the application is tombstoned. 
                this.State["feed"] = e.Result;

                UpdateQueryList(e.Result);
            }
        }

        // This method sets up the feed and binds it to our ListBox. 
        private void UpdateQueryList(string htmlTxt)
        {
            queryList = new List<ElementList>();

            const string quote = "\"";
            String stringID = quote + "id" + quote;
            String stringTITLE = quote + "title" + quote;

            ElementList e;
            List<ElementList> lcat = new List<ElementList>();
            List<ElementList> lart = new List<ElementList>();
            
            while (htmlTxt.Contains(stringID))
            {
                int iId = htmlTxt.IndexOf(stringID); //indice iniziale del tag "id"
                int jId = iId + 6; //indice iniziale del valore del tag "id"
                String tagId = htmlTxt.Substring(jId, htmlTxt.Substring(jId).IndexOf(quote)); //valore del tag "id"

                int iTitle = htmlTxt.IndexOf(stringTITLE); //indice iniziale del tag "title"
                int jTitle = iTitle + 9; //indice iniziale del valore del tag "title"
                String tagTitle = htmlTxt.Substring(jTitle, htmlTxt.Substring(jTitle).IndexOf(quote)); //valore del tag "title"

                String queryString = String.Format("http://www.testdevol.nextrek.it/endpoint/article.php?id={0}", tagId);


                e = new ElementList(tagId, tagTitle, "Articolo", lcat, lart, queryString, "0");
                queryList.Add(e);
                //indice++;
                htmlTxt = htmlTxt.Substring(htmlTxt.IndexOf(stringTITLE) + 16);


            }
            resultcount.Text = String.Format("Risultati della ricerca ({0})", queryList.Count);
            if (queryList.Count == 0)
                loadingPanel2.Visibility = System.Windows.Visibility.Collapsed;

            // Load the feed into a SyndicationFeed instance.
            //StringReader stringReader = new StringReader(htmlTxt); //superflua
            //XmlReader xmlReader = XmlReader.Create(stringReader); //superflua
            //SyndicationFeed feed = SyndicationFeed.Load(xmlReader);

            // In Windows Phone OS 7.1 or later versions, WebClient events are raised on the same type of thread they were called upon. 
            // For example, if WebClient was run on a background thread, the event would be raised on the background thread. 
            // While WebClient can raise an event on the UI thread if called from the UI thread, a best practice is to always 
            // use the Dispatcher to update the UI. This keeps the UI thread free from heavy processing.
            Deployment.Current.Dispatcher.BeginInvoke(() =>
            {
                // Bind the list of SyndicationItems to our ListBox.
                resultListBox.ItemsSource = queryList;
                //var a1 = feedListBoxNews1.ItemsSource;
                //Boolean b = true;
                //updateTile();
                //StartPeriodicAgent();
            });
        }

        private void resultBox_Tap(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Notizia non disponibile!");

            }
            else
            {
                //Controllo di una proprieta di un elemento figlio del sender (in questo caso ci aspettiamo uno stackpanel)
                Border border = sender as Border;
                var child = VisualTreeHelper.GetChild(border, 0);
                ///if (e.Handled == false) //Previene la propagazione dell'evento da figlio a padre
                {
                    if (child is TextBlock)
                    {
                        loadingPanel2.Visibility = System.Windows.Visibility.Visible;
                        TextBlock tblock = (TextBlock)child;
                        String link = ((ElementList)tblock.DataContext).Link;
                        webBrowser2.Navigate(new Uri(link, UriKind.Absolute));
                        searchButton.Visibility = System.Windows.Visibility.Visible;
                    }

                }

            }
        }

        int i = 0;
        private void categoryListBox1_LayoutUpdated(object sender, EventArgs e)
        {
            if (i >= 2) 
            {
                loadingPanel.Visibility = System.Windows.Visibility.Collapsed;
            }
            i++;
        }

        int j = 0;
        private void ArticleName_Loaded(object sender, RoutedEventArgs e)
        {
            if (j >= 17)
            {
                loadingPanel2.Visibility = System.Windows.Visibility.Collapsed;
            }
            j++;
        }

        private void checkConnection()
        {
            if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType == Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None)
            {
                MessageBox.Show("Nessuna connessione a internet rilevata! Controllare lo stato della connessione!");

            }
        }

    }
}

Commits for Nextrek/WindowsPhone/OpenLavoro/OpenLavoro/MainPage.xaml.cs

Diff revisions: vs.
Revision Author Commited Message
137 LTardio picture LTardio Mon 10 Nov, 2014 17:19:48 +0000