From 1c14530139473be0680310109f49165675821132 Mon Sep 17 00:00:00 2001
From: Ray <sympatheticfire@gmail.com>
Date: Thu, 5 Aug 2021 00:50:48 +0100
Subject: [PATCH] WIP: more pages + reflection fix for navigation

---
 MobileApp1/App.xaml.cs                        |  4 +-
 MobileApp1/Helpers/ContentPageHelper.cs       | 56 +++++++++++---
 MobileApp1/Helpers/ContentViewHelper.cs       | 56 +++++++++++---
 MobileApp1/MobileApp1.csproj                  | 10 ++-
 MobileApp1/Services/CorporationMockService.cs |  4 +-
 .../Views/Content/Login/LoginView.xaml.cs     |  7 +-
 .../Content/Login/PasswordResetView.xaml.cs   |  2 +-
 MobileApp1/Views/FlyoutMenuPage.xaml          |  4 +-
 MobileApp1/Views/HomePage.xaml.cs             |  2 +-
 MobileApp1/Views/LogoutPage.xaml              | 21 ++++++
 MobileApp1/Views/LogoutPage.xaml.cs           | 25 +++++++
 .../{BlankPage.xaml => MyStuffPage.xaml}      |  4 +-
 ...{BlankPage.xaml.cs => MyStuffPage.xaml.cs} |  4 +-
 MobileApp1/Views/SettingsPage.xaml            | 32 +++++---
 MobileApp1/Views/SettingsPage.xaml.cs         | 75 ++++++++++++++++++-
 15 files changed, 249 insertions(+), 57 deletions(-)
 create mode 100644 MobileApp1/Views/LogoutPage.xaml
 create mode 100644 MobileApp1/Views/LogoutPage.xaml.cs
 rename MobileApp1/Views/{BlankPage.xaml => MyStuffPage.xaml} (89%)
 rename MobileApp1/Views/{BlankPage.xaml.cs => MyStuffPage.xaml.cs} (70%)

diff --git a/MobileApp1/App.xaml.cs b/MobileApp1/App.xaml.cs
index b600287..3322487 100644
--- a/MobileApp1/App.xaml.cs
+++ b/MobileApp1/App.xaml.cs
@@ -17,8 +17,8 @@ namespace MobileApp1
 
             //MainPage = new AppShell();
 
-            //MainPage = new NavigationPage(new LoginPage());
-            MainPage = new MainPage();
+            MainPage = new NavigationPage(new LoginPage());
+            //MainPage = new MainPage();
         }
 
         protected override void OnStart()
diff --git a/MobileApp1/Helpers/ContentPageHelper.cs b/MobileApp1/Helpers/ContentPageHelper.cs
index 24786fd..2065558 100644
--- a/MobileApp1/Helpers/ContentPageHelper.cs
+++ b/MobileApp1/Helpers/ContentPageHelper.cs
@@ -6,13 +6,43 @@ namespace MobileApp1.Views
     public class ContentPageHelper
     {
 
-        public static App GetApp(ContentPage view) => GetParentElement<App>(view);
+        public static App GetApp(ContentPage view) => (App)GetParentElement<App>(view);
+        //{
+        //    if (view == null) return null;
 
-        public static Application GetApplication(ContentPage view) => GetParentElement<Application>(view);
+        //    Element item = view.Parent;
 
-        public static MainPage GetMainPage(ContentPage view) => GetParentElement<MainPage>(view);
+        //    while (true)
+        //    {
+        //        if (item == null) break;
+        //        if (item is App) break;
 
-        public static T GetParentElement<T>(ContentPage view)
+        //        item = item.Parent;
+        //    }
+
+        //    return (item as App);
+        //}
+
+        public static Application GetApplication(ContentPage view) => (Application)GetParentElement<Application>(view);
+//{
+//            if (view == null) return null;
+
+//            Element item = view.Parent;
+
+//            while (true)
+//            {
+//                if (item == null) break;
+//                if (item is Application) break;
+
+//                item = item.Parent;
+//            }
+
+//            return (item as Application);
+//        }
+
+        public static MainPage GetMainPage(ContentPage view) => (MainPage)GetParentElement<MainPage>(view);
+
+        public static object GetParentElement<T>(ContentPage view)
         {
             if (view == null) return default(T);
 
@@ -26,14 +56,16 @@ namespace MobileApp1.Views
                 item = item.Parent;
             }
 
-            try
-            {
-                return (T)Convert.ChangeType(item, typeof(T));
-            }
-            catch (InvalidCastException)
-            {
-                return default(T);
-            }
+            //try
+            //{
+            //    return (T)Convert.ChangeType(item, typeof(T));
+            //}
+            //catch (InvalidCastException)
+            //{
+            //    return default(T);
+            //}
+
+            return item;
         }
 
         public static void SetDetailPage(ContentPage view, Type pageType, bool useNavigationPage = true) => SetDetailPage(view, (Page)Activator.CreateInstance(pageType), useNavigationPage);
diff --git a/MobileApp1/Helpers/ContentViewHelper.cs b/MobileApp1/Helpers/ContentViewHelper.cs
index ee36ad0..49cdf9c 100644
--- a/MobileApp1/Helpers/ContentViewHelper.cs
+++ b/MobileApp1/Helpers/ContentViewHelper.cs
@@ -6,13 +6,43 @@ namespace MobileApp1.Views
     public class ContentViewHelper
     {
 
-        public static App GetApp(ContentView view) => GetParentElement<App>(view);
+        public static App GetApp(ContentView view) => (App)GetParentElement<App>(view);
+        //{
+        //    if (view == null) return null;
 
-        public static Application GetApplication(ContentView view) => GetParentElement<Application>(view);
+        //    Element item = view.Parent;
 
-        public static ContentPage GetContentPage(ContentView view) => GetParentElement<ContentPage>(view);
+        //    while (true)
+        //    {
+        //        if (item == null) break;
+        //        if (item is App) break;
 
-        public static T GetParentElement<T>(ContentView view)
+        //        item = item.Parent;
+        //    }
+
+        //    return (item as App);
+        //}
+
+        public static Application GetApplication(ContentView view) => (Application)GetParentElement<Application>(view);
+        //{
+        //    if (view == null) return null;
+
+        //    Element item = view.Parent;
+
+        //    while (true)
+        //    {
+        //        if (item == null) break;
+        //        if (item is Application) break;
+
+        //        item = item.Parent;
+        //    }
+
+        //    return (item as Application);
+        //}
+
+        public static ContentPage GetContentPage(ContentView view) => (ContentPage)GetParentElement<ContentPage>(view);
+
+        public static object GetParentElement<T>(ContentView view)
         {
             if (view == null) return default(T);
 
@@ -26,14 +56,16 @@ namespace MobileApp1.Views
                 item = item.Parent;
             }
 
-            try
-            {
-                return (T)Convert.ChangeType(item, typeof(T));
-            }
-            catch (InvalidCastException)
-            {
-                return default(T);
-            }
+            //try
+            //{
+            //    return (T)Convert.ChangeType(item, typeof(T));
+            //}
+            //catch (InvalidCastException)
+            //{
+            //    return default(T);
+            //}
+
+            return item;
         }
 
         public static void SetMainPage(ContentView view, Page page)
diff --git a/MobileApp1/MobileApp1.csproj b/MobileApp1/MobileApp1.csproj
index 27ed372..ca1c69e 100644
--- a/MobileApp1/MobileApp1.csproj
+++ b/MobileApp1/MobileApp1.csproj
@@ -35,14 +35,20 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Update="Views\AboutPage.xaml.cs">
+      <DependentUpon>AboutPage.xaml</DependentUpon>
+    </Compile>
     <Compile Update="Views\Content\LoadingIndicatorView.xaml.cs">
       <DependentUpon>LoadingIndicatorView.xaml</DependentUpon>
     </Compile>
     <Compile Update="Views\Content\CompanyHeaderView.xaml.cs">
       <DependentUpon>CompanyHeaderView.xaml</DependentUpon>
     </Compile>
-    <Compile Update="Views\BlankPage.xaml.cs">
-      <DependentUpon>BlankPage.xaml</DependentUpon>
+    <Compile Update="Views\LogoutPage.xaml.cs">
+      <DependentUpon>LogoutPage.xaml</DependentUpon>
+    </Compile>
+    <Compile Update="Views\MyStuffPage.xaml.cs">
+      <DependentUpon>MyStuffPage.xaml</DependentUpon>
     </Compile>
     <Compile Update="Views\PasswordResetPage.xaml.cs">
       <DependentUpon>PasswordResetPage.xaml</DependentUpon>
diff --git a/MobileApp1/Services/CorporationMockService.cs b/MobileApp1/Services/CorporationMockService.cs
index ee6fa35..fb415c0 100644
--- a/MobileApp1/Services/CorporationMockService.cs
+++ b/MobileApp1/Services/CorporationMockService.cs
@@ -31,7 +31,7 @@
 
         public ServiceResult Logout()
         {
-            System.Threading.Thread.Sleep(6000);
+            System.Threading.Thread.Sleep(2000);
 
             this.DisplayName = string.Empty;
             this.IsLoggedIn = false;
@@ -45,7 +45,7 @@
 
         public ServiceResult RequestPasswordReset(string username)
         {
-            System.Threading.Thread.Sleep(6000);
+            System.Threading.Thread.Sleep(2000);
 
             this.DisplayName = string.Empty;
             this.IsLoggedIn = false;
diff --git a/MobileApp1/Views/Content/Login/LoginView.xaml.cs b/MobileApp1/Views/Content/Login/LoginView.xaml.cs
index 7ea557e..964fd14 100644
--- a/MobileApp1/Views/Content/Login/LoginView.xaml.cs
+++ b/MobileApp1/Views/Content/Login/LoginView.xaml.cs
@@ -24,7 +24,7 @@ namespace MobileApp1.Views
             {
                 isBusy = value;
 
-                LoginPage cp = ContentViewHelper.GetParentElement<LoginPage>(this);
+                LoginPage cp = (LoginPage)ContentViewHelper.GetParentElement<LoginPage>(this);
                 if (cp != null)
                 {
                     cp.IsBusy = value;
@@ -69,16 +69,15 @@ namespace MobileApp1.Views
 
                 this.IsBusy = false;
 
-                //ContentViewHelper.SetMainPage(this, new AppShell());
-
                 //await cp.DisplayAlert("Clicked", "Login", "OK");
 
-
                 if (result.IsSuccess)
                 {
                     /// part 2
                 }
 
+                ContentViewHelper.SetMainPage(this, new MainPage());
+
             });
         }
 
diff --git a/MobileApp1/Views/Content/Login/PasswordResetView.xaml.cs b/MobileApp1/Views/Content/Login/PasswordResetView.xaml.cs
index 9400270..2b05959 100644
--- a/MobileApp1/Views/Content/Login/PasswordResetView.xaml.cs
+++ b/MobileApp1/Views/Content/Login/PasswordResetView.xaml.cs
@@ -24,7 +24,7 @@ namespace MobileApp1.Views
             {
                 isBusy = value;
 
-                LoginPage cp = ContentViewHelper.GetParentElement<LoginPage>(this);
+                LoginPage cp = (LoginPage)ContentViewHelper.GetParentElement<LoginPage>(this);
                 if (cp != null)
                 {
                     cp.IsBusy = value;
diff --git a/MobileApp1/Views/FlyoutMenuPage.xaml b/MobileApp1/Views/FlyoutMenuPage.xaml
index c691061..710b3b4 100644
--- a/MobileApp1/Views/FlyoutMenuPage.xaml
+++ b/MobileApp1/Views/FlyoutMenuPage.xaml
@@ -26,10 +26,10 @@
             <ListView.ItemsSource>
                 <x:Array Type="{x:Type models:FlyoutPageItem}">
                     <models:FlyoutPageItem Title="Home" Icon="home.png" TargetType="{x:Type views:HomePage}" />
-                    <models:FlyoutPageItem Title="My Stuff" Icon="layers.png" TargetType="{x:Type views:BlankPage}" />
+                    <models:FlyoutPageItem Title="My Stuff" Icon="layers.png" TargetType="{x:Type views:MyStuffPage}" />
                     <models:FlyoutPageItem Title="Settings" Icon="settings.png" TargetType="{x:Type views:SettingsPage}" />
                     <models:FlyoutPageItem Title="About" Icon="help.png" TargetType="{x:Type views:AboutPage}" />
-                    <models:FlyoutPageItem Title="Logout" Icon="logout.png" TargetType="{x:Type views:BlankPage}" />
+                    <models:FlyoutPageItem Title="Logout" Icon="logout.png" TargetType="{x:Type views:LogoutPage}" />
                 </x:Array>
             </ListView.ItemsSource>
             <ListView.ItemTemplate>
diff --git a/MobileApp1/Views/HomePage.xaml.cs b/MobileApp1/Views/HomePage.xaml.cs
index b8a5643..c90d035 100644
--- a/MobileApp1/Views/HomePage.xaml.cs
+++ b/MobileApp1/Views/HomePage.xaml.cs
@@ -17,7 +17,7 @@ namespace MobileApp1.Views
         {
             await Task.Run(() =>
             {
-                ContentPageHelper.SetDetailPage(this, typeof(BlankPage));
+                ContentPageHelper.SetDetailPage(this, typeof(MyStuffPage));
             });
         }
 
diff --git a/MobileApp1/Views/LogoutPage.xaml b/MobileApp1/Views/LogoutPage.xaml
new file mode 100644
index 0000000..de79c13
--- /dev/null
+++ b/MobileApp1/Views/LogoutPage.xaml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:views="clr-namespace:MobileApp1.Views"
+    x:Class="MobileApp1.Views.LogoutPage"
+    Title="Logout">
+    <ContentPage.Content>
+        <ScrollView>
+            <StackLayout Margin="20">
+                <views:CompanyHeaderView />
+
+                <Label Text="Logout" FontSize="Body" />
+                <Label Text="Logout of your account." />
+                <Label Text=""  Margin="0, 0, 0, 10" />
+
+                <Button x:Name="button1" Margin="0, 20, 0, 0" Text="Logout" Clicked="button1_Clicked" ></Button>
+
+            </StackLayout>
+        </ScrollView>
+    </ContentPage.Content>
+</ContentPage>
\ No newline at end of file
diff --git a/MobileApp1/Views/LogoutPage.xaml.cs b/MobileApp1/Views/LogoutPage.xaml.cs
new file mode 100644
index 0000000..811d9cc
--- /dev/null
+++ b/MobileApp1/Views/LogoutPage.xaml.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace MobileApp1.Views
+{
+    [XamlCompilation(XamlCompilationOptions.Compile)]
+    public partial class LogoutPage : ContentPage
+    {
+        public LogoutPage()
+        {
+            InitializeComponent();
+        }
+
+        private async void button1_Clicked(object sender, EventArgs e)
+        {
+            await Task.Run(() =>
+            {
+                ContentPageHelper.SetMainPage(this, new LoginPage());
+            });
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/MobileApp1/Views/BlankPage.xaml b/MobileApp1/Views/MyStuffPage.xaml
similarity index 89%
rename from MobileApp1/Views/BlankPage.xaml
rename to MobileApp1/Views/MyStuffPage.xaml
index d258d81..807d808 100644
--- a/MobileApp1/Views/BlankPage.xaml
+++ b/MobileApp1/Views/MyStuffPage.xaml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="MobileApp1.Views.BlankPage"
+             x:Class="MobileApp1.Views.MyStuffPage"
              xmlns:views="clr-namespace:MobileApp1.Views"
-             Title="Blank">
+             Title="My Stuff">
     <ContentPage.Content>
         <StackLayout Margin="20">
             <views:CompanyHeaderView />
diff --git a/MobileApp1/Views/BlankPage.xaml.cs b/MobileApp1/Views/MyStuffPage.xaml.cs
similarity index 70%
rename from MobileApp1/Views/BlankPage.xaml.cs
rename to MobileApp1/Views/MyStuffPage.xaml.cs
index 55ed661..4a73b91 100644
--- a/MobileApp1/Views/BlankPage.xaml.cs
+++ b/MobileApp1/Views/MyStuffPage.xaml.cs
@@ -3,9 +3,9 @@ using Xamarin.Forms;
 
 namespace MobileApp1.Views
 {
-    public partial class BlankPage : ContentPage
+    public partial class MyStuffPage : ContentPage
     {
-        public BlankPage()
+        public MyStuffPage()
         {
             InitializeComponent();
 
diff --git a/MobileApp1/Views/SettingsPage.xaml b/MobileApp1/Views/SettingsPage.xaml
index 936119e..7325ee5 100644
--- a/MobileApp1/Views/SettingsPage.xaml
+++ b/MobileApp1/Views/SettingsPage.xaml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage
     xmlns="http://xamarin.com/schemas/2014/forms"
-    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:views="clr-namespace:MobileApp1.Views"
     x:Class="MobileApp1.Views.SettingsPage"
     Title="Settings">
     <ContentPage.Content>
@@ -14,19 +14,31 @@
                     </Grid.ColumnDefinitions>
 
                     <Label Grid.Row="0" Grid.Column="0" Text="CheckBox Setting" VerticalTextAlignment="Center" />
-                    <CheckBox Grid.Row="0" Grid.Column="1" HorizontalOptions="EndAndExpand" />
+                    <CheckBox Grid.Row="0" Grid.Column="1" x:Name="checkBox1" HorizontalOptions="EndAndExpand" />
 
                     <Label Grid.Row="1" Grid.Column="0" Text="Switch Setting" VerticalTextAlignment="Center" />
-                    <Switch Grid.Row="1" Grid.Column="1" HorizontalOptions="EndAndExpand" />
+                    <Switch Grid.Row="1" Grid.Column="1" x:Name="switchBox1" HorizontalOptions="EndAndExpand" />
 
                     <Label Grid.Row="2" Grid.Column="0" Text="Date Setting" VerticalTextAlignment="Center" />
-                    <DatePicker Grid.Row="2" Grid.Column="1" HorizontalOptions="EndAndExpand" Format="dd/MM/yyyy" />
+                    <DatePicker Grid.Row="2" Grid.Column="1" x:Name="datePicker1" HorizontalOptions="EndAndExpand" Format="dd/MM/yyyy" />
 
-                    <Label Grid.Row="3" Grid.Column="0" Text="TextBox Setting" VerticalTextAlignment="Center" />
-                    <Entry Grid.Row="3" Grid.Column="1" HorizontalOptions="EndAndExpand" />
+                    <Label Grid.Row="3" Grid.Column="0" Text="Time Setting" VerticalTextAlignment="Center" />
+                    <TimePicker Grid.Row="3" Grid.Column="1" x:Name="timePicker1" HorizontalOptions="EndAndExpand" Format="HH:mm" />
+
+                    <!--<Label Grid.Row="3" Grid.Column="0" Text="TextBox Setting" VerticalTextAlignment="Center" />
+                    <Entry Grid.Row="3" Grid.Column="1" HorizontalOptions="EndAndExpand" />-->
 
                     <Label Grid.Row="4" Grid.Column="0" Text="Picker Setting" VerticalTextAlignment="Center" />
-                    <Picker Grid.Row="4" Grid.Column="1" HorizontalOptions="EndAndExpand" MinimumWidthRequest="100" />
+                    <Picker Grid.Row="5" Grid.Column="1" x:Name="pickerBox1" HorizontalOptions="FillAndExpand">
+                        <Picker.Items>
+                            <x:String></x:String>
+                            <x:String>One</x:String>
+                            <x:String>Two</x:String>
+                            <x:String>Three</x:String>
+                            <x:String>Four</x:String>
+                            <x:String>Five</x:String>
+                        </Picker.Items>
+                    </Picker>
 
                     <!--<Label Grid.Row="5" Grid.Column="0" Text="TextBox Setting" VerticalTextAlignment="Center" />
                     <RadioButton Grid.Row="5" Grid.Column="1" HorizontalOptions="EndAndExpand" />-->
@@ -37,13 +49,11 @@
                     <!--<Label Grid.Row="5" Grid.Column="0" Text="TextBox Setting" VerticalTextAlignment="Center" />
                     <Stepper Grid.Row="5" Grid.Column="1" HorizontalOptions="EndAndExpand" MinimumWidthRequest="100" />-->
 
-                    <Label Grid.Row="5" Grid.Column="0" Text="Time Setting" VerticalTextAlignment="Center" />
-                    <TimePicker Grid.Row="5" Grid.Column="1" HorizontalOptions="EndAndExpand" Format="HH:mm" />
-
                 </Grid>
 
+                <Button x:Name="button1" Margin="0, 20, 0, 0" Text="Save" Clicked="button1_Clicked"></Button>
 
-                <Button x:Name="button1" Margin="0, 20, 0, 0" Text="Save"></Button>
+                <views:LoadingIndicatorView x:Name="loadingIndicatorView1" Margin="0, 20, 0, 0" />
 
             </StackLayout>
         </ScrollView>
diff --git a/MobileApp1/Views/SettingsPage.xaml.cs b/MobileApp1/Views/SettingsPage.xaml.cs
index ddc3d87..ac76f67 100644
--- a/MobileApp1/Views/SettingsPage.xaml.cs
+++ b/MobileApp1/Views/SettingsPage.xaml.cs
@@ -1,9 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
-
 using Xamarin.Forms;
 using Xamarin.Forms.Xaml;
 
@@ -12,9 +8,80 @@ namespace MobileApp1.Views
     [XamlCompilation(XamlCompilationOptions.Compile)]
     public partial class SettingsPage : ContentPage
     {
+        protected bool isBusy = false;
+
         public SettingsPage()
         {
             InitializeComponent();
         }
+
+        protected override void OnAppearing()
+        {
+            base.OnAppearing();
+
+            if (pickerBox1.Items.Count > 0) pickerBox1.SelectedIndex = 0;
+        }
+
+        private bool IsBusy
+        {
+            get => isBusy;
+            set
+            {
+                isBusy = value;
+
+                Device.BeginInvokeOnMainThread(() =>
+                {
+                    loadingIndicatorView1.IsRunning = value;
+                    checkBox1.IsEnabled = switchBox1.IsEnabled = datePicker1.IsEnabled = pickerBox1.IsEnabled = timePicker1.IsEnabled = !value;
+                    button1.IsEnabled = !value;
+                });
+
+            }
+        }
+
+        private async void button1_Clicked(object sender, EventArgs e)
+        {
+            await Task.Run(() =>
+            {
+                //if (this.Parent == null)
+                //{
+                //    return;
+                //}
+
+                //ContentPage cp = ContentViewHelper.GetContentPage(this);
+                //if (cp == null)
+                //{
+                //    return;
+                //}
+
+                //App ap = ContentViewHelper.GetApp(this);
+                //if (ap == null)
+                //{
+                //    return;
+                //}
+
+                this.IsBusy = true;
+
+                //ServiceResult result = ap.CorporationService.Login(textbox1.Text, textbox2.Text);
+
+                loadingIndicatorView1.Message = "Saved";
+
+                Device.BeginInvokeOnMainThread(() =>
+                {
+                    DisplayAlert("Settings", "Saved", "OK");
+                });
+
+                this.IsBusy = false;
+
+                //ContentViewHelper.SetMainPage(this, new AppShell());
+
+                //if (result.IsSuccess)
+                //{
+
+                //}
+
+            });
+        }
+
     }
 }
\ No newline at end of file