xaml-sdk/Docking/PaneSourceWithLayout/MainPage.xaml.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
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 System.Xml.Linq;

namespace PaneSourceWithLayout
{
    public partial class MainPage : UserControl
    {
        private string dockingLayoutXml = @"<?xml version=""1.0"" encoding=""utf-8""?><RadDocking><DocumentHost><RadSplitContainer IsAutoGenerated=""True""><Items><RadPaneGroup IsAutoGenerated=""True"" TabStripPlacement=""Top"" SelectedIndex=""0""><Items><RadPane SerializationTag=""SavedPane2"" IsDockable=""True"" Header=""Saved Pane 2"" /></Items></RadPaneGroup></Items></RadSplitContainer></DocumentHost><SplitContainers><RadSplitContainer Dock=""DockedRight"" Width=""240"" RelativeWidth=""100"" RelativeHeight=""100"" IsAutoGenerated=""True""><Items><RadPaneGroup RelativeWidth=""100"" RelativeHeight=""100"" IsAutoGenerated=""True"" SelectedIndex=""0""><Items><RadPane SerializationTag=""SavedPane1"" IsDockable=""True"" Header=""Saved Pane 1"" /></Items></RadPaneGroup></Items></RadSplitContainer><RadSplitContainer Dock=""DockedLeft"" Width=""240""><Items><RadPaneGroup SelectedIndex=""-1""><Items /></RadPaneGroup></Items></RadSplitContainer><RadSplitContainer Dock=""DockedLeft"" Width=""240""><Items><RadPaneGroup SelectedIndex=""-1""><Items /></RadPaneGroup></Items></RadSplitContainer></SplitContainers></RadDocking>";

        public MainPage()
        {
            InitializeComponent();
        }

        private void LoadLayoutFromString()
        {
            using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(this.dockingLayoutXml)))
            {
                var xmlDocument = XElement.Load(stream);
                List<XElement> nodeList = xmlDocument.Descendants("RadPane").ToList();
                var paneTags = nodeList.Attributes().Where(a => a.Name == "SerializationTag").Select(a => a.Value).ToList();
                var viewModel = this.DataContext as ViewModel;
                var newPanes = viewModel.PaneViewModels.Where(paneViewModel => !paneTags.Contains(paneViewModel.SerializationTag)).ToList();

                foreach (var item in newPanes)
                {
                    viewModel.PaneViewModels.Remove(item);
                }

                stream.Seek(0, SeekOrigin.Begin);
                this.Docking.LoadLayout(stream);
                foreach (var item in newPanes)
                {
                    viewModel.PaneViewModels.Add(item);
                }
            }
        }

        private void OnDockingLoaded(object sender, RoutedEventArgs e)
        {
            this.LoadLayoutFromString();
        }
    }
}