using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO;
using System.Windows.Markup;
using Prova;
using System.Data;
using System.ComponentModel;
namespace ClientSupervisore2.LayoutControls
{

    /// <summary>
    /// Logica di interazione per ibrido.xaml
    /// </summary>
    /// 

    public partial class ibrido2 : UserControl, INotifyPropertyChanged
    {
        //Evento per segnalare la modifica delle proprietà per il databinding
        public event PropertyChangedEventHandler PropertyChanged;
        public void NotifyPropertyChanged(string property)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(this, new PropertyChangedEventArgs(property));
            }
        }

        public static readonly DependencyProperty ResultsProperty = DependencyProperty.Register("Results", typeof(DataView), typeof(ibrido2));
        public DataView Results
        {
            get { return (DataView)GetValue(ResultsProperty); }
            set { SetValue(ResultsProperty, value); }
        }

        public ibrido2()
        {
            //Caricamento Xaml da file esterno
            LoadXAMLMethod();
            //Aggiunta evento load al controllo
            this.Loaded +=new RoutedEventHandler(ibrido2_Loaded);
        }

        Button ButtoninXAML;
        TextBox TextBox1inXAML;
        DependencyObject rootObject;

        #region LoadXAML
        public void LoadXAMLMethod()
        {
            try
            {
                StreamReader mysr = new StreamReader("C:\\Progetti\\Visual Studio\\ClientSupervisore2\\ClientSupervisore2\\bin\\Debug\\ibrido.xaml");
                rootObject = XamlReader.Load(mysr.BaseStream) as DependencyObject;
                ButtoninXAML = LogicalTreeHelper.FindLogicalNode(rootObject, "button1") as Button;
                ButtoninXAML.Click += new RoutedEventHandler(Button_Click);

                TextBox1inXAML = LogicalTreeHelper.FindLogicalNode(rootObject, "textBox1") as TextBox;
                this.Content = rootObject;

                Resources.Source = new Uri("C:\\Progetti\\Visual Studio\\ClientSupervisore2\\ClientSupervisore2\\bin\\Debug\\ibrido_Dict.xaml");
            }
            catch (FileNotFoundException ex)
            {
                MessageBox.Show(ex.Message.ToString());
            }
        }
        #endregion

        //Controllo caricato
        private void ibrido2_Loaded(Object sender, RoutedEventArgs e)
        {
            
            //Le prossime operazioni vengono effettuate su evento loaded perchè se no il 
            //visualtreehelper non ritorna nulla

            //Esempio di come ritirare tutte le texbox dal controllo:

            IEnumerable<TextBox> ListaTextBox = FindVisualChildren<TextBox>(rootObject);
            TextBox orig=new TextBox();
            TextBox dest=new TextBox();
            foreach (TextBox Tb in ListaTextBox)
            {
                if (Tb.Name == "textBox1")
                {
                    orig = Tb;
                }
                if (Tb.Name == "textBox2")
                {
                    TextBox1inXAML = Tb;
                }
            }
        }

        #region findvisualchilden
        //La seguente restituisce tutti gli oggetti visuali di un determinato tipo
        public static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject
        {
            if (depObj != null)
            {
                for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
                {
                    DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
                    if (child != null && child is T)
                    {
                        yield return (T)child;
                    }

                    foreach (T childOfChild in FindVisualChildren<T>(child))
                    {
                        yield return childOfChild;
                    }
                }
            }
        } 
        #endregion

 
        //Esempio di gestione eventi trasportati da xaml
        public void Button_Click(object sender, RoutedEventArgs e)
        {
           
            Binding dataViewBinding = new Binding();
            dataViewBinding.Source = Results;
            dataViewBinding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged;
            dataViewBinding.Mode = BindingMode.TwoWay;
            dataViewBinding.Path = new PropertyPath("[0][value]");

            
            TextBox1inXAML.DataContext = this.Results;
            TextBox1inXAML.SetBinding(TextBox.TextProperty, dataViewBinding);
        }


    }

}