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-rw-r--r--MediaBrowser.UI.Controls/ExtendedListBox.cs260
1 files changed, 0 insertions, 260 deletions
diff --git a/MediaBrowser.UI.Controls/ExtendedListBox.cs b/MediaBrowser.UI.Controls/ExtendedListBox.cs
deleted file mode 100644
index fb6738939..000000000
--- a/MediaBrowser.UI.Controls/ExtendedListBox.cs
+++ /dev/null
@@ -1,260 +0,0 @@
-using System;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Controls.Primitives;
-using System.Windows.Input;
-using System.Windows.Media;
-
-namespace MediaBrowser.UI.Controls
-{
- /// <summary>
- /// Extends the ListBox to provide auto-focus behavior when items are moused over
- /// This also adds an ItemInvoked event that is fired when an item is clicked or invoked using the enter key
- /// </summary>
- public class ExtendedListBox : ListBox
- {
- /// <summary>
- /// Fired when an item is clicked or invoked using the enter key
- /// </summary>
- public event EventHandler<ItemEventArgs<object>> ItemInvoked;
-
- /// <summary>
- /// Called when [item invoked].
- /// </summary>
- /// <param name="boundObject">The bound object.</param>
- protected virtual void OnItemInvoked(object boundObject)
- {
- if (ItemInvoked != null)
- {
- ItemInvoked(this, new ItemEventArgs<object> { Argument = boundObject });
- }
- }
-
- /// <summary>
- /// The _auto focus
- /// </summary>
- private bool _autoFocus = true;
- /// <summary>
- /// Gets or sets a value indicating if the first list item should be auto-focused on load
- /// </summary>
- /// <value><c>true</c> if [auto focus]; otherwise, <c>false</c>.</value>
- public bool AutoFocus
- {
- get { return _autoFocus; }
- set
- {
- _autoFocus = value;
- }
- }
-
- /// <summary>
- /// Initializes a new instance of the <see cref="ExtendedListBox" /> class.
- /// </summary>
- public ExtendedListBox()
- : base()
- {
- ItemContainerGenerator.StatusChanged += ItemContainerGeneratorStatusChanged;
- }
-
- /// <summary>
- /// The mouse down object
- /// </summary>
- private object mouseDownObject;
-
- /// <summary>
- /// Invoked when an unhandled <see cref="E:System.Windows.Input.Mouse.PreviewMouseDown" /> attached routed event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
- /// </summary>
- /// <param name="e">The <see cref="T:System.Windows.Input.MouseButtonEventArgs" /> that contains the event data. The event data reports that one or more mouse buttons were pressed.</param>
- protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
- {
- base.OnPreviewMouseDown(e);
-
- // Get the item that the mouse down event occurred on
- mouseDownObject = GetBoundListItemObject((DependencyObject)e.OriginalSource);
- }
-
- /// <summary>
- /// Invoked when an unhandled <see cref="E:System.Windows.UIElement.MouseLeftButtonUp" /> routed event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
- /// </summary>
- /// <param name="e">The <see cref="T:System.Windows.Input.MouseButtonEventArgs" /> that contains the event data. The event data reports that the left mouse button was released.</param>
- protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
- {
- base.OnMouseLeftButtonUp(e);
-
- // If the mouse up event occurred on the same item as the mousedown event, then fire ItemInvoked
- if (mouseDownObject != null)
- {
- var boundObject = GetBoundListItemObject((DependencyObject)e.OriginalSource);
-
- if (mouseDownObject == boundObject)
- {
- mouseDownObject = null;
- OnItemInvoked(boundObject);
- }
- }
- }
-
- /// <summary>
- /// The key down object
- /// </summary>
- private object keyDownObject;
-
- /// <summary>
- /// Responds to the <see cref="E:System.Windows.UIElement.KeyDown" /> event.
- /// </summary>
- /// <param name="e">Provides data for <see cref="T:System.Windows.Input.KeyEventArgs" />.</param>
- protected override void OnKeyDown(KeyEventArgs e)
- {
- if (e.Key == Key.Enter)
- {
- if (!e.IsRepeat)
- {
- // Get the item that the keydown event occurred on
- keyDownObject = GetBoundListItemObject((DependencyObject)e.OriginalSource);
- }
-
- e.Handled = true;
- }
-
- base.OnKeyDown(e);
- }
-
- /// <summary>
- /// Invoked when an unhandled <see cref="E:System.Windows.Input.Keyboard.KeyUp" /> attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
- /// </summary>
- /// <param name="e">The <see cref="T:System.Windows.Input.KeyEventArgs" /> that contains the event data.</param>
- protected override void OnKeyUp(KeyEventArgs e)
- {
- base.OnKeyUp(e);
-
- // Fire ItemInvoked when enter is pressed on an item
- if (e.Key == Key.Enter)
- {
- if (!e.IsRepeat)
- {
- // If the keyup event occurred on the same item as the keydown event, then fire ItemInvoked
- if (keyDownObject != null)
- {
- var boundObject = GetBoundListItemObject((DependencyObject)e.OriginalSource);
-
- if (keyDownObject == boundObject)
- {
- keyDownObject = null;
- OnItemInvoked(boundObject);
- }
- }
- }
-
- e.Handled = true;
- }
- }
-
- /// <summary>
- /// The _last mouse move point
- /// </summary>
- private Point? _lastMouseMovePoint;
-
- /// <summary>
- /// Handles OnMouseMove to auto-select the item that's being moused over
- /// </summary>
- /// <param name="e">Provides data for <see cref="T:System.Windows.Input.MouseEventArgs" />.</param>
- protected override void OnMouseMove(MouseEventArgs e)
- {
- base.OnMouseMove(e);
-
- var window = this.GetWindow();
-
- // If the cursor is currently hidden, don't bother reacting to it
- if (Cursor == Cursors.None || window.Cursor == Cursors.None)
- {
- return;
- }
-
- // Store the last position for comparison purposes
- // Even if the mouse is not moving this event will fire as elements are showing and hiding
- var pos = e.GetPosition(window);
-
- if (!_lastMouseMovePoint.HasValue)
- {
- _lastMouseMovePoint = pos;
- return;
- }
-
- if (pos == _lastMouseMovePoint)
- {
- return;
- }
-
- _lastMouseMovePoint = pos;
-
- var dep = (DependencyObject)e.OriginalSource;
-
- while ((dep != null) && !(dep is ListBoxItem))
- {
- dep = VisualTreeHelper.GetParent(dep);
- }
-
- if (dep != null)
- {
- var listBoxItem = dep as ListBoxItem;
-
- if (!listBoxItem.IsFocused)
- {
- listBoxItem.Focus();
- }
- }
- }
-
- /// <summary>
- /// Gets the datacontext for a given ListBoxItem
- /// </summary>
- /// <param name="dep">The dep.</param>
- /// <returns>System.Object.</returns>
- private object GetBoundListItemObject(DependencyObject dep)
- {
- while ((dep != null) && !(dep is ListBoxItem))
- {
- dep = VisualTreeHelper.GetParent(dep);
- }
-
- if (dep == null)
- {
- return null;
- }
-
- return ItemContainerGenerator.ItemFromContainer(dep);
- }
-
- /// <summary>
- /// Autofocuses the first list item when the list is loaded
- /// </summary>
- /// <param name="sender">The sender.</param>
- /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
- void ItemContainerGeneratorStatusChanged(object sender, EventArgs e)
- {
- if (ItemContainerGenerator.Status == GeneratorStatus.ContainersGenerated && AutoFocus)
- {
- Dispatcher.InvokeAsync(OnContainersGenerated);
- }
- }
-
- /// <summary>
- /// Called when [containers generated].
- /// </summary>
- void OnContainersGenerated()
- {
- var index = 0;
-
- if (index >= 0)
- {
- var item = ItemContainerGenerator.ContainerFromIndex(index) as ListBoxItem;
-
- if (item != null)
- {
- item.Focus();
- ItemContainerGenerator.StatusChanged -= ItemContainerGeneratorStatusChanged;
- }
- }
- }
- }
-}
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