using GLOTraining.Main;
using System.Globalization;
using System.Threading;
using System.Windows;
using System.Windows.Markup;

namespace GLOTraining
{
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-AU"); ;
            Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo("en-AU"); ;

            FrameworkElement.LanguageProperty.OverrideMetadata(
              typeof(FrameworkElement),
              new FrameworkPropertyMetadata(
                    XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));

            base.OnStartup(e);
            MainWindow app = new MainWindow();
            MainWindowViewModel context = new MainWindowViewModel();
            app.DataContext = context;
            app.Show();
        }
    }
}




using GalaSoft.MvvmLight.CommandWpf;
using GalaSoft.MvvmLight.Messaging;
using GLOTraining.Factorys;
using GLOTraining.Helpers;
using GLOTraining.Messages;
using GLOTraining.Pages.Analyse;
using GLOTraining.Pages.Curriculum;
using GLOTraining.Pages.Dashboard;
using GLOTraining.Pages.MasterData;
using GLOTraining.Pages.Pathways;
using GLOTraining.Pages.People;
using GLOTraining.Pages.Reports;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Input;

namespace GLOTraining.Main
{
    class MainWindowViewModel : CrudVMBase, ICloseWindows
    {
        public MainWindowViewModel()
        {
            PageViewModels.Add(new DashboardTabViewModel());
            PageViewModels.Add(new PeopleTabViewModel());
            PageViewModels.Add(new CurriculumTabViewModel());
            PageViewModels.Add(new AnalyseTabViewModel());
            PageViewModels.Add(new PathwaysTabViewModel());
            PageViewModels.Add(new ReportsTabViewModel());
            PageViewModels.Add(new MasterDataTabViewModel());

            CurrentPageViewModel = PageViewModels[0];


        }
        #region Methods
        private void ChangeViewModel(IPageViewModel viewModel)
        {
            CurrentPageViewModel = PageViewModels
                .FirstOrDefault(vm => vm == viewModel);


        }
    private ICommand _changePageCommand;
        public ICommand ChangePageCommand
        {
            get
            {
                if (_changePageCommand == null)
                {
                    _changePageCommand = new RelayCommand<IPageViewModel>(ChangeViewModel);
                }

                return _changePageCommand;
            }
        }
        #endregion

<Window x:Class="GLOTraining.Main.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:helpers="clr-namespace:GLOTraining.Helpers"
        helpers:WindowCloser.EnableWindowClosing="True"
        xmlns:cnvtr="clr-namespace:GLOTraining.Converters"
        xmlns:dashboard="clr-namespace:GLOTraining.Pages.Dashboard"
        xmlns:people="clr-namespace:GLOTraining.Pages.People"
        xmlns:curriculum="clr-namespace:GLOTraining.Pages.Curriculum"
        xmlns:analyse="clr-namespace:GLOTraining.Pages.Analyse"
        xmlns:pathways="clr-namespace:GLOTraining.Pages.Pathways"
        xmlns:reports="clr-namespace:GLOTraining.Pages.Reports"
        xmlns:masterData="clr-namespace:GLOTraining.Pages.MasterData"
        mc:Ignorable="d"
        Title="GLO Training"
        WindowStartupLocation="CenterScreen"
        Height="{Binding Source={x:Static SystemParameters.PrimaryScreenHeight}, Converter={cnvtr:RatioConverter}, ConverterParameter='0.9' }" 
        Width="{Binding Source={x:Static SystemParameters.PrimaryScreenWidth}, Converter={cnvtr:RatioConverter}, ConverterParameter='0.9' }">

    <Window.Resources>
        <Storyboard x:Key="FadeUIMessage">
            <DoubleAnimation 
                Storyboard.TargetName="UIMessageMainWindow"
                Storyboard.TargetProperty="(TextBlock.Opacity)" 
                From="1" To="0" Duration="0:0:6" />
        </Storyboard>
        <DataTemplate DataType="{x:Type dashboard:DashboardTabViewModel}">
            <dashboard:DashboardTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type people:PeopleTabViewModel}">
            <people:PeopleTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type curriculum:CurriculumTabViewModel}">
            <curriculum:CurriculumTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type analyse:AnalyseTabViewModel}">
            <analyse:AnalyseTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type pathways:PathwaysTabViewModel}">
            <pathways:PathwaysTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type reports:ReportsTabViewModel}">
            <reports:ReportsTabView />
        </DataTemplate>
        <DataTemplate DataType="{x:Type masterData:MasterDataTabViewModel}">
            <masterData:MasterDataTabView />
        </DataTemplate>
    </Window.Resources>

    <Viewbox  HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
        <Grid x:Name="gridBorder" Height="840" Width="1540">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="100"/>
                <ColumnDefinition Width="1340" />
                <ColumnDefinition Width="100" />
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="30"/>
                <RowDefinition Height="730"/>
                <RowDefinition Height="80"/>
            </Grid.RowDefinitions>
            <Rectangle x:Name="LeftPanel" Grid.Column="0" Grid.RowSpan="3">
                <Rectangle.Fill>
                    <LinearGradientBrush EndPoint="1,1" StartPoint="0,1">
                        <GradientStop Color="LightGray" Offset="0.2" />
                        <GradientStop Color="White" Offset="1.5" />
                    </LinearGradientBrush>
                </Rectangle.Fill>
            </Rectangle>
            <Rectangle x:Name="RightPanel" Grid.Column="2" Grid.RowSpan="3">
                <Rectangle.Fill>
                    <LinearGradientBrush EndPoint="1,1" StartPoint="0,1">
                        <GradientStop Color="LightGray" Offset="0" />
                        <GradientStop Color="White" Offset="1.4" />
                    </LinearGradientBrush>
                </Rectangle.Fill>
            </Rectangle>
            <Rectangle x:Name="CentrePanel" Grid.Column="1" Grid.RowSpan="3">
                <Rectangle.Fill>
                    <LinearGradientBrush EndPoint="1,1" StartPoint="0,1">
                        <GradientStop Color="LightGray" Offset="0" />
                        <GradientStop Color="White" Offset="1.5" />
                    </LinearGradientBrush>
                </Rectangle.Fill>
            </Rectangle>
            <Label x:Name="UIMessageMainWindow" VerticalAlignment="Top" Grid.Column="1" HorizontalContentAlignment="Center" Grid.Row="0" Width="500"
                       Foreground="{StaticResource DarkBrightBrush}" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Height="30"/>
            <Button x:Name="ExitChemRiskButton" Command="{Binding DataContext.CloseAppCommand, RelativeSource={RelativeSource AncestorType={x:Type Window}}}" Style="{StaticResource FlatButton}"
                    ToolTip="Exit App" Margin="5" Content="&#xE7E8;" FontSize="40" FontFamily="Segoe MDL2 Assets" Foreground="Red"
                    Grid.Column="2" Grid.Row="2"/>
            <StackPanel x:Name="ButtonSelectStackPanel" Grid.Row="1" Grid.Column="0" Grid.RowSpan="2">
                <Rectangle x:Name="ButtonRect1" Fill="LightGray" Height="80" Margin="0,0,0,25" Visibility="{Binding HideButtonRect1}"/>
                <Rectangle x:Name="ButtonRect2" Fill="LightGray" Height="80" Margin="0,0,0,25" Visibility="{Binding HideButtonRect2}"/>
                <Rectangle x:Name="ButtonRect3" Fill="LightGray" Height="80" Margin="0,0,0,25" Visibility="{Binding HideButtonRect3}"/>
                <Rectangle x:Name="ButtonRect4" Fill="LightGray" Height="80" Margin="0,0,0,25" Visibility="{Binding HideButtonRect4}"/>
                <Rectangle x:Name="ButtonRect5" Fill="LightGray" Height="85" Margin="0,0,0,25" Visibility="{Binding HideButtonRect5}"/>
                <Rectangle x:Name="ButtonRect6" Fill="LightGray" Height="82" Margin="0,0,0,25" Visibility="{Binding HideButtonRect6}"/>
                <Rectangle x:Name="ButtonRect7" Fill="LightGray" Height="82" Margin="0,0,0,25" Visibility="{Binding HideButtonRect7}"/>
            </StackPanel>
            <StackPanel x:Name="PageButtonStackPanel" Grid.Row="1" Grid.Column="0" Grid.RowSpan="2">
                <ItemsControl ItemsSource="{Binding PageViewModels}">
                    <ItemsControl.ItemTemplate>
                        <DataTemplate>
                            <StackPanel>
                            <Button Command="{Binding DataContext.ChangePageCommand, RelativeSource={RelativeSource AncestorType={x:Type Window}}}" 
                                FontFamily="Segoe MDL2 Assets" Content="{Binding Content}" FontSize="40" Style="{StaticResource FlatButton}" 
                                ToolTip="{Binding ToolTip}" Foreground="{Binding Foreground}" CommandParameter="{Binding }" Height="50"/>
                            <Label Content="{Binding LabelContent}" HorizontalAlignment="Center" VerticalAlignment="Top" Foreground="{Binding Foreground}"
                                   Style="{StaticResource PageButtonLabelStyle}" Margin="0,0,0,30"/>
                            </StackPanel>
                        </DataTemplate>
                </ItemsControl.ItemTemplate>
                </ItemsControl>
            </StackPanel>
            <StackPanel Orientation="Vertical" Grid.Column="2" Grid.RowSpan="2">
                <Button x:Name="SaveButton" Command="{Binding DataContext.SaveCommand, RelativeSource={RelativeSource AncestorType={x:Type Window}}}" 
                        FontFamily="Segoe MDL2 Assets" Content="&#xE74E;" FontSize="40" Style="{StaticResource FlatButton}" Margin="5,10,5,0" 
                        ToolTip="Save Data" Foreground="Green"/>
            </StackPanel>
            <ContentControl x:Name="PageContentControl" Content="{Binding CurrentPageViewModel}" Grid.Row="1" Grid.RowSpan="2" Grid.Column="1"/>
        </Grid>
    </Viewbox>
</Window>

using GalaSoft.MvvmLight.CommandWpf;
using GLOTraining.EntityModel;
using GLOTraining.Helpers;
using GLOTraining.Factorys;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Data.Entity;
using System.Linq;
using System.Linq.Expressions;
using System.Windows.Data;
using System.Windows.Input;
using GalaSoft.MvvmLight.Messaging;
using GLOTraining.Messages;

namespace GLOTraining.Pages.People
{
    public class PeopleTabViewModel : CrudVMBase, IPageViewModel
    {
        string pmuri;
        string paruri;
        string joburi;
        public PeopleTabViewModel()
        {
            FillPeople();
            FillModules();
            SetPerson();
            SetCollectionViews(SelectedPerson.PersonID.ToString());
            ChangePerson();
        }
        #region SetPerson
        private void SetPerson()
        {
            if (SelectedPerson == null)
            {
                SelectedPerson = (from a in People
                                  select a).FirstOrDefault();
            }
        }
        private void SetCollectionViews(string uri)
        {
            var pm = db.PersonModules.ToList();
            _personModules = new ObservableCollection<PersonModule>(pm);
            PersonModuleViewSource = (ListCollectionView)CollectionViewSource.GetDefaultView(_personModules);
            PersonModuleViewSource.SortDescriptions.Add(new SortDescription("AttendanceDate", ListSortDirection.Descending));
            this.pmuri = uri;
            PersonModuleViewSource.Filter = OnFilterPersonModuleView;

            var par = db.ViewNonArchivedPersonRoles.ToList();
            _viewNonArchivedPersonRoles = new ObservableCollection<ViewNonArchivedPersonRole>(par);
            PersonRoleViewSource = (ListCollectionView)CollectionViewSource.GetDefaultView(par);
            PersonRoleViewSource.SortDescriptions.Add(new SortDescription("RoleName", ListSortDirection.Ascending));
            this.paruri = uri;
            PersonRoleViewSource.Filter = OnFilterPersonRoleView;

            var pj = par.Where(s => s.IsJobTitle);
            PersonJobViewSource = CollectionViewSource.GetDefaultView(pj);
            this.joburi = uri;
            PersonJobViewSource.Filter = OnFilterPersonJobView;
        }
        bool OnFilterPersonModuleView(object item)
        {
            var personmodule = (PersonModule)item;
            return pmuri.Contains(personmodule.PersonID.ToString());
        }
        bool OnFilterPersonRoleView(object item)
        {
            var viewnonarchivedpersonrole = (ViewNonArchivedPersonRole)item;
            return paruri.Contains(viewnonarchivedpersonrole.PersonID.ToString());
        }
        bool OnFilterPersonJobView(object item)
        {
            var viewnonarchivedpersonjob = (ViewNonArchivedPersonRole)item;
            return paruri.Contains(viewnonarchivedpersonjob.PersonID.ToString());
        }
        #endregion
        #region Person Changed
        public void ChangePerson()
        {
            if (SelectedPerson != null)
            {
                this.paruri = SelectedPerson.PersonID.ToString();
                PersonRoleViewSource.Refresh();

                this.pmuri = SelectedPerson.PersonID.ToString();
                PersonModuleViewSource.Refresh();

                this.joburi = SelectedPerson.PersonID.ToString();
                PersonJobViewSource.Refresh();

                var VPMChecks
                    = (from a in db.ViewPersonModuleCheck1s
                            where a.PersonID == SelectedPerson.PersonID
                            orderby a.ModuleIndicator
                            select a).ToList();

                ObservableCollection<ViewPersonModuleCheck> _vpmChecks = new ObservableCollection<ViewPersonModuleCheck>();

                foreach (ViewPersonModuleCheck1 vpmcheck in VPMChecks)
                {
                    _vpmChecks.Add(new ViewPersonModuleCheck
                    {
                        ModuleIndicator = vpmcheck.ModuleIndicator,
                        ModuleTitle = vpmcheck.ModuleTitle,
                        IsModuleCurrent =
                          (
                          vpmcheck.MaxNextRefreshDate < DateTime.Now ? 2 :
                          vpmcheck.MaxNextRefreshDate > DateTime.Now ? 1 : 0
                          )
                    });
                }
                ViewPersonModuleChecks = _vpmChecks;
                OnPropertyChanged("ViewPersonModuleChecks");
            }
            SetPersonRoleData();
        }
        private void SetPersonRoleData()
        {
            PersonJobViewSource.MoveCurrentToFirst();
            ModulesTakenCount = PersonModuleViewSource.Cast<object>().Count();
            PersonModulesCheckTotalCount = ViewPersonModuleChecks.Count();
            PersonModulesInDateCount = (from a in ViewPersonModuleChecks
                            where a.IsModuleCurrent == 1
                            select a).Count();
            PersonModulesOutOfDateCount = (from a in ViewPersonModuleChecks
                                        where a.IsModuleCurrent == 2
                                        select a).Count();
            PersonRolesCount = PersonRoleViewSource.Cast<object>().Count();
        }
        #endregion

<UserControl x:Class="GLOTraining.Pages.People.PeopleTabView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:GLOTraining.Pages.People"
             xmlns:cnvtr="clr-namespace:GLOTraining.Converters"
             mc:Ignorable="d" 
             d:DesignHeight="710" d:DesignWidth="1340">
    <UserControl.DataContext>
        <local:PeopleTabViewModel/>
    </UserControl.DataContext>
    <Grid x:Name="PeopleGrid" Margin="0,0,0,20">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1020"/>
            <ColumnDefinition Width="310"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="90"/>
            <RowDefinition Height="30"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <StackPanel x:Name="PersonJobStackPanel" ...........................................
................................
        </StackPanel>