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ViewStack Component for Silverlight 2 – An Inevitable Control in RIA Space

, 17 Oct 2008 CPOL
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ViewStack component for Silverlight 2 – An inevitable control in RIA space

Introduction

I find that the ViewStack component in Flex is an elegant navigator for switching views in defined content panes. Unfortunately I couldn't find any such navigator within Silverlight 2 SDK. So I thought of developing a simple ViewStack component for my project DShop, a Silverlight 2 technology demonstrator. I will be enhancing this control with more features and would like to have your valuable comments.

What is ViewStack?

  • A ViewStack is a navigator container that contains other child containers stacked on top of each other.
  • Only one child container can be visible or active at a time.
  • You can create your own logic to manage active views.
  • The SelectedIViewName property contains the logical name of the active view.
  • Simply change the SelectedViewName property from model to switch the view (ModelLocator.Instance.SelectedViewName = "Home").

Code

Page.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using SilverlightApplication1.Control;
namespace SilverlightApplication1
{
    public partial class Page : UserControl
    {
        public Page()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(Page_Loaded);
            
        }
        void Page_Loaded(object sender, RoutedEventArgs e)
        {
            this.DataContext = ModelLocator.Instance;
            ModelLocator.Instance.SelectedViewName = "Home";
            
        }
        private void Home_Click(object sender, RoutedEventArgs e)
        {
            ModelLocator.Instance.SelectedViewName = "Home";
        }
        private void AboutUS_Click(object sender, RoutedEventArgs e)
        {
            ModelLocator.Instance.SelectedViewName = "AboutUS";
        }
    }
}

Page.xaml

<UserControl x:Class="SilverlightApplication1.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:local="clr-namespace:SilverlightApplication1.Control" >
    <Grid x:Name="LayoutRoot" Background="Wheat"  >
        <Grid.RowDefinitions>
            <RowDefinition Height="50" />
            <RowDefinition Height="20"/>
            <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100"/>
            <ColumnDefinition Width="20"/>
            <ColumnDefinition Width="100"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Button x:Name="Home" Content="Home" Grid.Row="0" 
					Grid.Column="0" Click="Home_Click"/>
        <Button x:Name="AboutUS" Content="AboutUS" Grid.Row="0" 
					Grid.Column="2" Click="AboutUS_Click"/>
        
         <Grid Grid.Row="2" Grid.ColumnSpan="4" Grid.Column="0">
                <local:ViewStack x:Name="myViewStack"  
		    SelectedViewName="{Binding Path=SelectedViewName,Mode=TwoWay}" >
                    <local:ViewStack.Views>
                        <local:ViewInfo ViewName="Home" 
			ViewTypeName="SilverlightApplication1.HomeView"/>
                        <local:ViewInfo ViewName="AboutUS" 
			ViewTypeName="SilverlightApplication1.AboutUSView"/>
                    </local:ViewStack.Views>
                </local:ViewStack>
         </Grid>
    </Grid>
</UserControl>

viewstack.GIF

History

  • 18th October, 2008: Initial post

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Anil Kumar T R
Architect Digital Mesh Softech India (P) Ltd.
India India
Started my career in software development in the year 1996 and still trying to learn and implement new technologies. Currently pursuing my career as Technical Architect @ Digital Mesh Softech India (P) Ltd (www.digitalmesh.co.in)

Comments and Discussions

 
GeneralViewStack Component for Silverlight 2 PinmemberQuentinB22-Oct-08 6:33 
AnswerRe: ViewStack Component for Silverlight 2 [modified] PinmemberAnil Kumar T R22-Oct-08 22:05 
GeneralRe: ViewStack Component for Silverlight 2 PinmemberQuentinB23-Oct-08 18:38 
GeneralRe: ViewStack Component for Silverlight 2 PinmemberAnil Kumar T R23-Oct-08 19:22 

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