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Text File  |  2007-03-19  |  6.6 KB  |  97 lines
  1.  ■using System;
  3. using System.IO;
  5. using System.Net;
  7. using System.Windows;
  9. using System.Windows.Controls;
  11. using System.Windows.Data;
  13. using System.Windows.Media;
  15. using System.Windows.Media.Animation;
  17. using System.Windows.Navigation;
  21. namespace ColorSwatch
  23. {
  25.     #region Rounted Event
  29.     public class ColorSelectionEventArgs : RoutedEventArgs
  31.     {
  33.         private string color;
  37.         public string Color
  39.         {
  41.             get { return color; }
  43.             set { color = value; }
  45.         }
  49.         public ColorSelectionEventArgs(RoutedEvent id, string color)
  51.         {
  53.             base.RoutedEvent = id;
  55.             this.Color = color;
  57.         }
  59.     }
  63.     #endregion
  67.     /// <summary>
  69.     /// USER CONTROL:
  71.     /// Swatch is defined as a User Control to make it easier to send/receive events to Room.
  73.     /// It's also easier to re-use it, since each Color Swatch is an instance of the same User Control.
  75.     /// </summary>
  77.     public partial class Swatch
  79.     {
  81.         ListBox previousListBox;
  85.         // Exposes the events that can be accessed using Expression Blend, under Triggers in the Interaction panel.
  87.         public static readonly RoutedEvent OpenSwatchEvent = EventManager.RegisterRoutedEvent("OpenSwatch", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Swatch));
  89.         public static readonly RoutedEvent ColorSelectionChangedEvent = EventManager.RegisterRoutedEvent("ColorSelectionChanged", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(Swatch));
  93.         public Swatch()
  95.         {
  97.             this.InitializeComponent();
  99.         }
  103.         private void OnOpenSwatch(object sender, System.Windows.Input.MouseButtonEventArgs e)
  105.         {
  107.             base.RaiseEvent(new RoutedEventArgs(Swatch.OpenSwatchEvent, this));
  109.         }
  113.         /// <summary>
  115.         /// Triggered when a new color is selected. 
  117.         /// </summary>
  119.         private void OnListBoxSelectionChanged(object sender, SelectionChangedEventArgs e)
  121.         {
  123.             ListBox list = sender as ListBox;
  127.             if (e.AddedItems.Count != 0)
  129.             {
  131.                 // Unselects any previous item of the list boxes.
  133.                 if (previousListBox != null && previousListBox != list)
  135.                 {
  137.                     previousListBox.SelectedIndex = -1;
  139.                 }
  141.                 previousListBox = list;
  145.                 // Sends the event up to Room user control, and passes the code of the selected color in the format "#AARRGGBB".
  147.                 base.RaiseEvent(new ColorSelectionEventArgs(Swatch.ColorSelectionChangedEvent, ((System.Xml.XmlElement)e.AddedItems[0]).InnerXml));
  149.             }
  151.         }
  155.         #region Swatch Z-Index
  159.         private void BringSwatchToFront(object sender, System.Windows.Input.MouseEventArgs e)
  161.         {
  163.             FrameworkElement swatch = (FrameworkElement)sender;
  165.             Panel.SetZIndex(swatch, 1);
  167.             Storyboard bringSwatchToFrontAnimation = (Storyboard)this.Resources["toFront_" + swatch.Name];
  169.             bringSwatchToFrontAnimation.Begin(this);
  171.         }
  175.         private void SendSwatchToBack(object sender, System.Windows.Input.MouseEventArgs e)
  177.         {
  179.             FrameworkElement swatch = (FrameworkElement)sender;
  181.             Panel.SetZIndex(swatch, 0);
  183.         }
  187.         #endregion
  191.     }
  193. }