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Silverlight Hierarchy Tree Control

, 19 Oct 2010 CPOL
A Hierarchy Tree with the ability to display any control as a node
HierarchyControl
Croll.Silverlight.Controls
Bin
Debug
Release
Croll.Silverlight.Controls.csproj.user
Properties
HierarchyControl
HierarchyControl.suo
HierarchyControl.Web
bin
ClientBin
HierarchyControl.xap
HierarchyControl.Web.csproj.user
Properties
Bin
Debug
HierarchyControl.csproj.user
Properties
View
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 Croll.Silverlight.Controls;

namespace HierarchyControl
{
    public partial class MainPage : UserControl
    {
        private string controlName = "Button";

        public MainPage()
        {
            InitializeComponent();
            populateHierarchy();
        }

        private void populateHierarchy()
        {
            FamilyTree.Nodes.Clear();

            HierarchyNode DavidNode = CreateNode("David");
            HierarchyNode JennyNode = CreateNode("Jenny");
            //HierarchyNode LucyNode = CreateNode("Lucy");
            HierarchyNode JohnNode = CreateNode("John");
            DavidNode.Children.Add(JennyNode);
            //DavidNode.Children.Add(LucyNode);
            DavidNode.Children.Add(JohnNode);
            
            //HierarchyNode DebbieNode = CreateNode("Debbie");
            //HierarchyNode HuonNode = CreateNode("Huon");
            //HierarchyNode JuliaNode = CreateNode("Julia");
            //LucyNode.Children.Add(DebbieNode);
            //LucyNode.Children.Add(HuonNode);
            //LucyNode.Children.Add(JuliaNode);
            
            //HierarchyNode RobertNode = CreateNode("Robert");
            //HierarchyNode Lucy2Node = CreateNode("Lucy");
            //HierarchyNode PeterNode = CreateNode("Peter");
            //RobertNode.Children.Add(Lucy2Node);
            //RobertNode.Children.Add(PeterNode);

            //HierarchyNode MeganNode = CreateNode("Megan");
            //HuonNode.Children.Add(RobertNode);
            //HuonNode.Children.Add(MeganNode);

            HierarchyNode JoeNode = CreateNode("Joe");
            HierarchyNode ZaneNode = CreateNode("Zane");
            HierarchyNode HugoNode = CreateNode("Hugo");
            JohnNode.Children.Add(JoeNode);
            JohnNode.Children.Add(ZaneNode);
            JohnNode.Children.Add(HugoNode);

            FamilyTree.Nodes.Add(DavidNode);

            FamilyTree.Display();

        }

        private HierarchyNode CreateNode(string text)
        {
            FrameworkElement Element;
            switch (controlName)
            {
                case "Button":
                    Element = new Button() { Content = text};
                    return new HierarchyNode(Element, 60, 20);

                case "TextBlock":
                    Element = new TextBlock() { Text = text, 
                        TextAlignment = TextAlignment.Center, 
                        Foreground = new SolidColorBrush(Colors.White) };
                    return new HierarchyNode(Element, 60, 20);

                case "MyUserControl":
                    Element = new MyUserControl(text, "2/2/2001");
                    return new HierarchyNode(Element, 120, 46);

                default:
                    Element = new Button() { Content = text };
                    return new HierarchyNode(Element, 60, 20);
            }
        }

        private void DisplayTextBlockButton_Click(object sender, RoutedEventArgs e)
        {
            if (this.controlName != "TextBlock")
            {
                this.controlName = "TextBlock";
                FamilyTree.Nodes.Clear();
                populateHierarchy();
            }
        }

        private void DisplayButtonButton_Click(object sender, RoutedEventArgs e)
        {
            if (this.controlName != "Button")
            {
                this.controlName = "Button";
                FamilyTree.Nodes.Clear();
                populateHierarchy();
            }
        }

        private void DisplayMyUserControlButton_Click(object sender, RoutedEventArgs e)
        {
            if (this.controlName != "MyUserControl")
            {
                this.controlName = "MyUserControl";
                FamilyTree.Nodes.Clear();
                populateHierarchy();
            }
        }

    }
}

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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

RobCroll
Australia Australia
Enjoying life developing mobile device software for Contractors Apps and Ezi App.

I also teach C#, Java and Project Management a couple of evenings a week.

Prior to moving to DCB, I'd been a Windows software developer for nearly 15 years

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