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using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.Touch.Controls;
namespace Tango.PPC.Maintenance.Controls
{
public class ButtonState : DependencyObject
{
public Object Value
{
get { return (Object)GetValue(ValueProperty); }
set { SetValue(ValueProperty, value); }
}
public static readonly DependencyProperty ValueProperty =
DependencyProperty.Register("Value", typeof(Object), typeof(ButtonState), new PropertyMetadata(null));
public Object Content
{
get { return (Object)GetValue(ContentProperty); }
set { SetValue(ContentProperty, value); }
}
public static readonly DependencyProperty ContentProperty =
DependencyProperty.Register("Content", typeof(Object), typeof(ButtonState), new PropertyMetadata(null));
}
[ContentProperty(nameof(States))]
public class StateTouchButton : TouchButton
{
public ObservableCollection<Object> States
{
get { return (ObservableCollection<Object>)GetValue(StatesProperty); }
set { SetValue(StatesProperty, value); }
}
public static readonly DependencyProperty StatesProperty =
DependencyProperty.Register("States", typeof(ObservableCollection<Object>), typeof(StateTouchButton), new PropertyMetadata(null, (d, e) => (d as StateTouchButton).OnStatesChanged()));
public Object SelectedState
{
get { return (Object)GetValue(SelectedStateProperty); }
set { SetValue(SelectedStateProperty, value); }
}
public static readonly DependencyProperty SelectedStateProperty =
DependencyProperty.Register("SelectedState", typeof(Object), typeof(StateTouchButton), new PropertyMetadata(null, (d, e) => (d as StateTouchButton).OnSelectedStateChanged()));
public StateTouchButton()
{
States = new ObservableCollection<object>();
}
private void OnStatesChanged()
{
if (States != null)
{
States.CollectionChanged -= States_CollectionChanged;
States.CollectionChanged += States_CollectionChanged;
OnSelectedStateChanged();
}
}
private void OnSelectedStateChanged()
{
if (SelectedState == null)
{
Content = null;
return;
}
if (States != null)
{
var converter = TypeDescriptor.GetConverter(SelectedState.GetType());
var matchingState = States.OfType<ButtonState>().ToList().FirstOrDefault(x => x.Value != null && converter.ConvertFrom(x.Value).Equals(SelectedState));
if (matchingState != null)
{
Content = matchingState.Content;
}
else
{
Content = null;
}
}
else
{
Content = null;
}
}
private void States_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
OnSelectedStateChanged();
}
}
}
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