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Silverlight Experimental Hacks (SLEX) - EventTrigger, PropertyTrigger, ReactiveTrigger, InvokeMethodAction, StoryBoardAction, etc. for Silverlight

By , 14 Jan 2010
 
Slex_Preview_2.zip
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Microsoft.Expression.Interactions.dll
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Slex.Lib.csproj
Slex.Lib.csproj.user 
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.ComponentModel;
using Slex.Lib.Interactions;

namespace Slex.Lib.Interactions
{
    /// <summary>
    /// An action to start/stop/pause/resume a storyboard
    /// </summary>
    public class StoryBoardAction : SlexTriggerAction
    {

        private StoryBoardActionEnum _storyBoardAction = StoryBoardActionEnum.Begin;

        /// <summary>
        /// Action to perform on this story board
        /// </summary>
        public StoryBoardActionEnum Action
        {
            get { return _storyBoardAction; }
            set { _storyBoardAction = value; }
        }

        private string _storyBoardName=string.Empty;

        /// <summary>
        /// The target story board name
        /// </summary>
        public string StoryBoardName
        {
            get { return _storyBoardName; }
            set { _storyBoardName = value; }
        }



        /// <summary>
        /// Invoke the story board action
        /// </summary>
        /// <param name="parameter"></param>
        internal override void InvokeConditional(object parameter)
        {
            
            if (StoryBoardName != null && AssociatedObject is FrameworkElement)
            {
                var storyBoard = (AssociatedObject as FrameworkElement).FindName(StoryBoardName) as Storyboard;

                if (storyBoard != null)
                {
                    switch (Action)
                    {
                        case StoryBoardActionEnum.Begin:
                            storyBoard.Begin(); break;
                        case StoryBoardActionEnum.Stop:
                            storyBoard.Stop(); break;
                        case StoryBoardActionEnum.Resume:
                            storyBoard.Resume(); break;
                        case StoryBoardActionEnum.Pause:
                            storyBoard.Pause(); break;
                        case StoryBoardActionEnum.ReverseOn:
                            storyBoard.AutoReverse = true;
                            break;
                        case StoryBoardActionEnum.ReverseOff:
                            storyBoard.AutoReverse = false;
                            break;
                    }
                }
            }
        }
    }

    /// <summary>
    /// Defines a story board action type
    /// </summary>
    public enum StoryBoardActionEnum 
    {
        Begin,
        Stop,
        Pause,
        Resume,
        ReverseOn,
        ReverseOff
    }
}

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About the Author

 Anoop Madhusudanan
Architect
India India
Member
Microsoft MVP | Architect, Trainer Blogger, Speaker | Exp in Silverlight, WPF, ASP.NET, Cloud | R&D in UX, AI, HDI, GA | Husband, Son, Father.

Follow: I'm In Twitter @amazedsaint | Blog: http://amazedsaint.com

About Article
A set of Silverlight Experimental Hacks (1) A custom implementation of EventTrigger and PropertyTrigger (2) Invoking methods in your view model in MVVM (3) Conditionally invoking triggers and behaviors (4) ReactiveTrigger for exporting your custom events
Type Article
Licence CPOL
First Posted 3 Jan 2010
Views 15,815
Downloads 154
Bookmarked 22 times

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