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Clearer – A Gesture-Driven Windows 8 To-Do Application

, 9 Oct 2012 CPOL
This article describes my experiences of porting a novel gesture-driven Windows Phone app to Windows 8.
using System;
using System.Collections.Generic;
using System.Linq;
using Windows.UI.Xaml;

namespace ClearStyle.Interactions
  /// <summary>
  /// Manages a collection of interactions, multicasting various functions to each interaction (such
  /// as the need to attached to a new element), and also manages the enabled state of each interaction.
  /// </summary>
  public class InteractionManager
    private List<IInteraction> _interactions = new List<IInteraction>();
    public void AddInteraction(IInteraction interaction)
      interaction.Activated += Interaction_Activated;
      interaction.DeActivated += Interaction_DeActivated;

    /// <summary>
    /// 'multicast' AddELement to all interactions
    /// </summary>
    public void AddElement(FrameworkElement element, FrameworkElement transformElement)
      foreach (var interaction in _interactions)
        interaction.AddElement(element, transformElement);

    private void Interaction_DeActivated(object sender, EventArgs e)
      // when an interactions is de-activated, re-enable all interactions
 	    foreach(var interaction in _interactions)
        interaction.IsEnabled = true;

    private void Interaction_Activated(object sender, EventArgs e)
      // when an interaction is activated, disable all others
 	    foreach(var interaction in _interactions.Where(i => i != sender))
        interaction.IsEnabled = false;

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About the Author

Colin Eberhardt
Architect Scott Logic
United Kingdom United Kingdom
I am CTO at ShinobiControls, a team of iOS developers who are carefully crafting iOS charts, grids and controls for making your applications awesome.

I am a Technical Architect for Visiblox which have developed the world's fastest WPF / Silverlight and WP7 charts.

I am also a Technical Evangelist at Scott Logic, a provider of bespoke financial software and consultancy for the retail and investment banking, stockbroking, asset management and hedge fund communities.

Visit my blog - Colin Eberhardt's Adventures in .NET.

Follow me on Twitter - @ColinEberhardt


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