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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.Core;
using Tango.Editors;
namespace Tango.Editors
{
/// <summary>
/// <para><img class="classImage" src="../Media/FrameworkElementEditor.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 FrameworkElementEditor : ElementEditor
{
/// <summary>
/// Initializes a new instance of the <see cref="FrameworkElementEditor"/> class.
/// </summary>
public FrameworkElementEditor()
: base()
{
InitializeComponent();
}
/// <summary>
/// Initializes a new instance of the <see cref="FrameworkElementEditor"/> class.
/// </summary>
/// <param name="frameworkElement">The framework element.</param>
public FrameworkElementEditor(FrameworkElement frameworkElement)
: this()
{
Element = frameworkElement;
}
/// <summary>
/// Initializes a new instance of the <see cref="FrameworkElementEditor"/> class.
/// </summary>
/// <param name="frameworkElement">The framework element.</param>
/// <param name="bounds">The bounds.</param>
public FrameworkElementEditor(FrameworkElement frameworkElement, Rect bounds)
: this(frameworkElement)
{
Left = bounds.Left;
Top = bounds.Top;
Width = bounds.Width;
Height = bounds.Height;
}
/// <summary>
/// Gets or sets the framework element.
/// </summary>
public FrameworkElement Element
{
get { return (FrameworkElement)GetValue(ElementProperty); }
set { SetValue(ElementProperty, value); }
}
public static readonly DependencyProperty ElementProperty =
DependencyProperty.Register("Element", typeof(FrameworkElement), typeof(FrameworkElementEditor), new PropertyMetadata(null));
/// <summary>
/// Clones this instance.
/// </summary>
/// <returns></returns>
public override IElementEditor Clone()
{
try
{
FrameworkElementEditor cloned = new FrameworkElementEditor();
if (Element is IConfigurable)
{
cloned.Element = (Element as IConfigurable).Clone() as FrameworkElement;
}
else
{
cloned.Element = FrameworkElementCloner.Clone(Element);
}
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 Element; }
}
/// <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()
{
FrameworkElementEditorConfiguration config = new FrameworkElementEditorConfiguration(base.GetConfiguration() as ElementEditorConfiguration);
try
{
config.ElementXaml = FrameworkElementCloner.Serialize(Element);
}
catch
{
Debug.WriteLine("Could not serialize framework element with ID " + ID);
}
return config;
}
/// <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 FrameworkElementEditorConfiguration))
{
throw new InvalidConfigurationException();
}
var config = configuration as FrameworkElementEditorConfiguration;
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();
if (ElementDetached)
{
Element.Bind(Canvas.LeftProperty, this, LeftProperty, BindingMode.TwoWay);
Element.Bind(Canvas.TopProperty, this, TopProperty, BindingMode.TwoWay);
Element.Bind(FrameworkElement.WidthProperty, this, WidthProperty, BindingMode.TwoWay);
Element.Bind(FrameworkElement.HeightProperty, this, HeightProperty, BindingMode.TwoWay);
Element.RenderTransformOrigin = new Point(0.5, 0.5);
RotateTransform rotate = new RotateTransform();
Element.RenderTransform = rotate;
rotate.Bind(RotateTransform.AngleProperty, this, AngleProperty, BindingMode.TwoWay);
}
else
{
Element.Unbind(Canvas.LeftProperty);
Element.Unbind(Canvas.TopProperty);
Element.Unbind(FrameworkElement.WidthProperty);
Element.Unbind(FrameworkElement.HeightProperty);
Element.RenderTransform = null;
}
}
}
}
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