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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
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.Editors;
using Tango.Shared;
namespace Tango.Editors
{
/// <summary>
/// <para><img class="classImage" src="../Media/CanvasItemEditor.png" /></para>
/// Represents a <see cref="FrameworkElement"/> editor with position, size and angle control.
/// </summary>
/// <example>
/// <para class="example-title">
/// <img class="exampleIcon" src="../Icons/CodeExample.png" />
/// <i>
/// The following example demonstrates a basic scenario of using <see cref="N:WpfVideoTools.Tiles"/> and <see cref="N:Tango.Editors"/> by creating a simple video projection application with the following features:
/// </i>
/// <list type="bullet">
/// <item>Use the mouse to draw any type of tile of the editor surface.</item>
/// <item>Apply any input shape on any tile.</item>
/// <item>Load any video and display it on any of the selected tile.</item>
/// <item>Built in support for undo, redo, cut, copy and paste, delete and select operations.</item>
/// <item>Built in support for saving/loading the editor state to memory or file.</item>
/// <item>Built in support for tile and editor properties adjustment using the <see cref="ParameterizedEditor"/>.</item>
/// </list>
/// </para>
/// <para><markup><video class="exampleVideo" autoplay="autoplay" loop="loop" controls="controls" src="../Media/EditorsExample.mp4"></video></markup></para>
/// <code lang="XAML" source="../FullAPIExamples/Examples/Editors/EditorsExample.xaml" title="Elements editor example." />
/// <i>Code-Behind.</i>
/// <code lang="C#" source="../FullAPIExamples/Examples/Editors/EditorsExample.xaml.cs" title="Elements editor example." />
/// </example>
/// <seealso cref="Tango.Editors.ElementEditor" />
[ContentProperty("InnerContent")]
public partial class CanvasItemEditor : ElementEditor
{
/// <summary>
/// Initializes a new instance of the <see cref="CanvasItemEditor"/> class.
/// </summary>
public CanvasItemEditor()
: base()
{
InitializeComponent();
AdaptToCanasItemType();
}
/// <summary>
/// Initializes a new instance of the <see cref="CanvasItemEditor"/> class.
/// </summary>
/// <param name="canvasItem">The canvas item.</param>
public CanvasItemEditor(CanvasItem canvasItem)
: this()
{
CanvasItem = canvasItem;
Left = canvasItem.Left;
Top = canvasItem.Top;
Width = canvasItem.Width;
Height = canvasItem.Height;
Angle = canvasItem.Angle;
AdaptToCanasItemType();
}
/// <summary>
/// Initializes a new instance of the <see cref="CanvasItemEditor"/> class.
/// </summary>
/// <param name="canvasItem">The canvas item.</param>
/// <param name="bounds">The bounds.</param>
public CanvasItemEditor(CanvasItem canvasItem, Rect bounds)
: this(canvasItem)
{
Left = bounds.Left;
Top = bounds.Top;
Width = bounds.Width;
Height = bounds.Height;
AdaptToCanasItemType();
}
private void AdaptToCanasItemType()
{
if (CanvasItem != null && CanvasItem.CustomContent != null)
{
normalGrid.Visibility = Visibility.Hidden;
customContent.Content = CanvasItem.CustomContent;
ZIndex = CanvasItem.ZIndex;
}
}
public CanvasItem CanvasItem
{
get { return (CanvasItem)GetValue(CanvasItemProperty); }
set { SetValue(CanvasItemProperty, value); }
}
public static readonly DependencyProperty CanvasItemProperty =
DependencyProperty.Register("CanvasItem", typeof(CanvasItem), typeof(CanvasItemEditor), new PropertyMetadata(null, (d, e) => (d as CanvasItemEditor).AdaptToCanasItemType()));
/// <summary>
/// Clones this instance.
/// </summary>
/// <returns></returns>
public override IElementEditor Clone()
{
try
{
CanvasItemEditor cloned = new CanvasItemEditor();
cloned.CanvasItem = CanvasItem.Clone();
cloned.ElementDetached = ElementDetached;
cloned.Top = Top;
cloned.Left = Left;
cloned.Width = Width;
cloned.Height = Height;
cloned.Angle = Angle;
cloned.Background = Background;
cloned.Foreground = Foreground;
cloned.CornersBrush = CornersBrush;
return cloned;
}
catch (Exception ex)
{
throw new InvalidOperationException("Could not clone this editor. You may have to create a custom editor and implement a custom Clone method.", ex);
}
}
/// <summary>
/// Gets the hosted element.
/// </summary>
[ParameterIgnore]
public override Object HostedElement
{
get { return CanvasItem; }
}
/// <summary>
/// Gets a configuration object representing the configurable properties. This configuration can be serialized to a stream or file, and later be loaded and applied to the configurable object.
/// </summary>
/// <returns></returns>
public override IConfiguration GetConfiguration()
{
//CanvasItemEditorConfiguration config = new CanvasItemEditorConfiguration(base.GetConfiguration() as ElementEditorConfiguration);
//try
//{
// config.ElementXaml = FrameworkElementCloner.Serialize(Element);
//}
//catch
//{
// Debug.WriteLine("Could not serialize framework element with ID " + ID);
//}
return null;
}
/// <summary>
/// Invoked when the attached editor has changed.
/// </summary>
protected override void OnAttachedEditorChanged()
{
base.OnAttachedEditorChanged();
}
/// <summary>
/// Applies the specified configuration with an optional animation if supported by the configurable type.
/// </summary>
/// <param name="configuration">The configuration.</param>
/// <param name="animation">The animation.</param>
public override void SetConfiguration(IConfiguration configuration, ConfigurationAnimation animation)
{
//if (!(configuration is CanvasItemEditorConfiguration))
//{
// throw new InvalidConfigurationException();
//}
//var config = configuration as CanvasItemEditorConfiguration;
//try
//{
// Element = FrameworkElementCloner.Deserialize(config.ElementXaml);
//}
//catch
//{
// Debug.WriteLine("Could not deserialize framework element with ID " + ID);
//}
base.SetConfiguration(configuration, animation);
}
/// <summary>
/// Called when the editor detached property has changed.
/// </summary>
protected override void OnElementDetachedChanged()
{
base.OnElementDetachedChanged();
}
protected override void OnAfterBoundsChange()
{
base.OnAfterBoundsChange();
CanvasItem.Angle = Angle;
CanvasItem.Width = Width;
CanvasItem.Height = Height;
CanvasItem.Top = Top;
CanvasItem.Left = Left;
}
public override int ZIndex
{
get
{
return Canvas.GetZIndex(this as UIElement);
}
set
{
_zIndex = value;
Canvas.SetZIndex(this as UIElement, value);
if (CanvasItem != null)
{
CanvasItem.ZIndex = value;
}
RaisePropertyChanged(nameof(ZIndex));
}
}
}
}
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