Wip theme+estimate

BookAStar/BookAStar/App.xaml

@@ -4,36 +4,63 @@
              x:Class="BookAStar.App" >
   <Application.Resources>
     <ResourceDictionary>
+      
+      <Color x:Key="PageBackgroundColor">#f0f0ff</Color>
+      <Color x:Key="HeadingTextColor">Black</Color>
+      <Color x:Key="NormalTextColor">Blue</Color>
+      <Color x:Key="GroupingTextColor">#5050ff</Color>
+      
       <OnPlatform x:TypeArguments="Font" Android="Large" iOS="Large" WinPhone="Large" x:Key="HeaderFont" />
-      <OnPlatform x:TypeArguments="Color" Android="Black" iOS="Black" WinPhone="Black" x:Key="PrimaryTextColor" />
       <OnPlatform x:TypeArguments="Color" Android="Red" iOS="Red" WinPhone="Red" x:Key="EmphasisTextColor" />
-      <OnPlatform x:TypeArguments="Font" Android="40" iOS="60" WinPhone="60" x:Key="LargeFontSize" />
+      <OnPlatform x:TypeArguments="Font" Android="60" iOS="60" WinPhone="60" x:Key="LargeFontSize" />
-      <OnPlatform x:TypeArguments="Font" Android="30" iOS="60" WinPhone="60" x:Key="MediumFontSize" />
+      <OnPlatform x:TypeArguments="Font" Android="50" iOS="50" WinPhone="50" x:Key="MediumFontSize" />
+      <OnPlatform x:TypeArguments="Font" Android="40" iOS="40" WinPhone="40" x:Key="SmallFontSize" />
 
-      <Color x:key="backgroundColor">#30FAFAFA</Color>
+
-      <Color x:key="oddColor">#207AFAFA</Color>
+      <Color x:Key="BackgroundColor">#30FAFAFA</Color>
-      <Color x:key="textColor">#FF103010</Color>
+      <Color x:Key="OddColor">#207AFAFA</Color>
-      <Color x:key="labelColor">#FF303010</Color>
+      <Color x:Key="TextColor">#FF103010</Color>
-      <Style x:Key="BigEntry" TargetType="Entry">
+      <Color x:Key="LabelColor">#FF303010</Color>
-        <Setter Property="FontSize" Value="{DynamicResource LargeFontSize}" />
+      
+      <Style x:Key="LabelPageHeadingStyle" TargetType="Label">
         <Setter Property="FontAttributes" Value="Bold" />
+        <Setter Property="HorizontalOptions" Value="Center" />
+        <Setter Property="TextColor" Value="{StaticResource HeadingTextColor}" />
+        <Setter Property="FontSize" Value="{StaticResource LargeFontSize}" />
       </Style>
-      <Style x:Key="labelStyle" TargetType="Label">
+      
-        <Setter Property="TextColor" Value="{DynamicResource EmphasisTextColor}" />
+      <Style x:Key="InputLabelStyle" TargetType="Label">
+        <Setter Property="FontSize" Value="{StaticResource SmallFontSize}" />
+        <Setter Property="FontAttributes" Value="Italic" />
+        <Setter Property="HorizontalOptions" Value="Center" />
+        <Setter Property="TextColor" Value="{StaticResource GroupingTextColor}" />
+      </Style>
+      
+      <Style x:Key="LabelStyle" TargetType="Label">
+        <Setter Property="TextColor" Value="{StaticResource TextColor}" />
         <Setter Property="FontAttributes" Value="Bold" />
-        <Setter Property="FontSize" Value="{DynamicResource LargeFontSize}" />
+        <Setter Property="FontSize" Value="{StaticResource MediumFontSize}" />
         <Setter Property="VerticalOptions" Value="Start" />
+        <Setter Property="HorizontalOptions" Value="Start" />
         <Setter Property="LineBreakMode" Value="WordWrap" />
+      </Style>
 
+      <Style x:Key="BigLabel"  BasedOn="{StaticResource LabelStyle}" TargetType="Label">
+        <Setter Property="FontSize" Value="Large" />
       </Style>
-      <Style x:Key="entryStyle" TargetType="Entry">
+      
-        <Setter Property="HorizontalOptions" Value="FillAndExpand"/>
+      <Style x:Key="EntryStyle" TargetType="Entry">
+        <Setter Property="HorizontalOptions" Value="CenterAndExpand"/>
       </Style>
-      <Style x:key="backbroundStyle" TargetType="VisualElement">
+      <Style x:Key="PickerStyle" TargetType="Picker">
-        <Setter Property="BackgoundColor" Value="{StaticResource backgroundColor}" />
+        <Setter Property="HorizontalOptions" Value="CenterAndExpand"/>
-        <Setter Property="TextColor" Value="{StaticResource textColor}" />
       </Style>
-      <Style x:Key="buttonStyle" TargetType="Button">
+      <Style x:Key="BigEntry" TargetType="Entry" BasedOn="{StaticResource EntryStyle}">
+        <Setter Property="FontSize" Value="{StaticResource LargeFontSize}" />
+        <Setter Property="FontAttributes" Value="Bold" />
+      </Style>
+      
+      <Style x:Key="ButtonStyle" TargetType="Button">
         <Setter Property="HorizontalOptions" Value="Center" />
         <Setter Property="VerticalOptions" Value="CenterAndExpand" />
         <Setter Property="BorderColor" Value="Lime" />
@@ -42,7 +69,8 @@
         <Setter Property="WidthRequest" Value="200" />
         <Setter Property="TextColor" Value="Teal" />
       </Style>
+      <Style x:Key="PageStyle" TargetType="Page">
+      </Style>
     </ResourceDictionary>
   </Application.Resources>
-
 </Application>

BookAStar/BookAStar/App.xaml.cs

@@ -18,46 +18,56 @@ namespace BookAStar
 {
     public partial class App : Application // superclass new in 1.3
     {
-        ContentPage deviceInfoPage;
         SearchPage searchPage = new SearchPage
         {
             Title = "Trouvez votre artiste",
             Icon = "glyphish_07_map_marker.png"
         };
         NavigationPage mp;
+
         SettingsPage settingsPage = new SettingsPage
             {
                 Title = "Paramètres",
                 Icon = "ic_corp_icon.png"
             };
+
         PinPage pinPage = new PinPage
         {
             Title = "Carte",
             Icon = "glyphish_07_map_marker.png"
         };
-        BookQueryPage bookQueryPage = new BookQueryPage {
-            Title = "Demande de devis"
-        };
-        BookQueriesPage bookQueriesPage = new BookQueriesPage
-        {
-            Title = "Demandes de devis"
-        };
         
-        EditEstimatePage editEstimate = new EditEstimatePage
+
-        {
+        
-            Title = "Création d'un devis"
+
-        };
+        
+
         public static IPlatform PlatformSpecificInstance { get; set; }
         public static string AppName { get; set; }
         public static App CurrentApp { get { return Current as App; } }
 
         public DataManager DataManager { get; set; } = new DataManager();
 
+        internal void EditCommandLine(CommandLine com)
+        {
+            CommandLineEditorPage editCommandLine = new CommandLineEditorPage
+            {
+                Title = "Edition d'une ligne de facture",
+                BindingContext = com
+            };
+            mp.Navigation.PushAsync(editCommandLine);
+        }
+
         public App(IPlatform instance)
         {
-            deviceInfoPage = new DeviceInfoPage(instance.GetDeviceInfo());
+            InitializeComponent();
+
             PlatformSpecificInstance = instance;
-            mp = new NavigationPage(searchPage);
+            mp = new NavigationPage(searchPage)
+            {
+                BackgroundColor = (Color)Application.Current.Resources["PageBackgroundColor"]
+            };
+            var color = Application.Current.Resources["PageBackgroundColor"];
             //var hasLabelStyle = r.ContainsKey("labelStyle");
             // var stid = this.StyleId;
             // null var appsstyle = settingsPage.Style;
@@ -80,7 +90,12 @@ namespace BookAStar
 
             tiQueries.Clicked += (object sender, EventArgs e) =>
             {
-                ShowPage (bookQueriesPage);
+                BookQueriesPage bookQueriesPage = new BookQueriesPage
+                {
+                    Title = "Demandes de devis"
+                };
+                bookQueriesPage.BindingContext = DataManager.BookQueries;
+                ShowPage(bookQueriesPage);
             };
             mp.ToolbarItems.Add(tiQueries);
             ToolbarItem tiMap = new ToolbarItem
@@ -94,14 +109,6 @@ namespace BookAStar
                 ShowPage(pinPage);
             };
            
-            bookQueriesPage.BindingContext = DataManager.BookQueries;
-
-           
-        }
-
-        public void ShowDeviceInfo()
-        {
-            ShowPage(deviceInfoPage);
         }
 
         public void PostDeviceInfo()
@@ -113,25 +120,33 @@ namespace BookAStar
 
         public void ShowBookQuery(BookQueryData data)
         {
+            BookQueryPage bookQueryPage = new BookQueryPage
+            {
+                Title = "Demande de devis"
+            };
             bookQueryPage.BindingContext = data;
             ShowPage(bookQueryPage);
         }
 
         public void EditEstimate(Estimate data)
         {
+            EditEstimatePage editEstimate = new EditEstimatePage
+            {
+                Title = "Création d'un devis"
+            };
             editEstimate.Estimate = data;
             ShowPage(editEstimate);
         }
 
+        // TODO système de persistance de l'état de l'appli
         private void ShowPage(Page p) 
         {
-            if (p.Parent == null)
+            if (p.Parent!=null)
-                mp.Navigation.PushAsync(p);
+            {
-            else p.Focus();
+                mp.Navigation.RemovePage(p);
-        }
+                p.Parent = null;
-        public void CloseWindow()
+            }
-        {
+            mp.Navigation.PushAsync(p);
-            mp.Navigation.PopAsync();
         }
     }
 }

BookAStar/BookAStar/BookAStar.csproj

@@ -25,6 +25,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -33,6 +34,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <CodeAnalysisRuleSet />
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="App.xaml.cs">
@@ -51,16 +53,15 @@
     <Compile Include="Pages\BookQueryPage.xaml.cs">
       <DependentUpon>BookQueryPage.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Pages\DeviceInfoPage.cs" />
+    <Compile Include="Pages\CommandLineEditorPage.xaml.cs">
+      <DependentUpon>CommandLineEditorPage.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Pages\EventDetail.xaml.cs">
       <DependentUpon>EventDetail.xaml</DependentUpon>
     </Compile>
     <Compile Include="Helpers\MainSettings.cs" />
     <Compile Include="Helpers\RemoteEntity.cs" />
     <Compile Include="Interfaces\IPlatform.cs" />
-    <Compile Include="Pages\MainPage.xaml.cs">
-      <DependentUpon>MainPage.xaml</DependentUpon>
-    </Compile>
     <Compile Include="Model\Blog\Blog.cs" />
     <Compile Include="Model\Blog\BlogTag.cs" />
     <Compile Include="Model\BookQueryData.cs" />
@@ -103,10 +104,10 @@
     <Compile Include="Pages\EditEstimatePage.xaml.cs">
       <DependentUpon>EditEstimatePage.xaml</DependentUpon>
     </Compile>
-    <Compile Include="Pages\MarkdownEditorPage.xaml.cs">
-      <DependentUpon>MarkdownEditorPage.xaml</DependentUpon>
-    </Compile>
     <Compile Include="Pages\PinPage.cs" />
+    <Compile Include="Views\CommandLineEditor.xaml.cs">
+      <DependentUpon>CommandLineEditor.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Views\MarkdownView.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Pages\SearchPage.xaml.cs">
@@ -118,10 +119,6 @@
     <Compile Include="Model\Tag.cs" />
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="Pages\MainPage.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
-    </EmbeddedResource>
     <EmbeddedResource Include="App.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
@@ -199,12 +196,6 @@
       <Name>Yavsc.Client</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Include="Pages\MarkdownEditorPage.xaml">
-      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
-      <SubType>Designer</SubType>
-    </EmbeddedResource>
-  </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Pages\EditEstimatePage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
@@ -220,6 +211,18 @@
   <ItemGroup>
     <EmbeddedResource Include="icon-anon.png" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Views\CommandLineEditor.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Pages\CommandLineEditorPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <Import Project="..\..\packages\Xamarin.Forms.2.3.0.107\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.2.3.0.107\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">

BookAStar/BookAStar/Model/Workflow/CommandLine.cs

@@ -1,12 +1,12 @@
 
+using System;
+
 namespace BookAStar.Model.Workflow
 {
-
     public class CommandLine
     {
-        public long Id { get; set; }
+        public string Description { get; set; }
-        public string Comment { get; set; }
+        public TimeSpan Duration { get; set; }
-        public BaseProduct Article { get; set; }
         public int Count { get; set; }
         public decimal UnitaryCost { get; set; }
     }

BookAStar/BookAStar/Model/Workflow/Estimate.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using Xamarin.Forms;
 
 namespace BookAStar.Model.Workflow
 {
@@ -67,5 +68,32 @@ namespace BookAStar.Model.Workflow
                 return DataManager.Current.Contacts.LocalGet(ClientId);
             }
         }
+
+        public FormattedString FormattedTotal
+        {
+            get
+            {
+                OnPlatform<Font> lfs = (OnPlatform < Font >) App.Current.Resources["LargeFontSize"];
+                OnPlatform<Color> etc = (OnPlatform<Color>)App.Current.Resources["EmphasisTextColor"];
+                
+                return new FormattedString
+                {
+
+                    Spans = {
+                        new Span { Text = "Total TTC: " },
+                        new Span { Text = Total.ToString(),
+                            ForegroundColor = etc.Android  ,
+                            FontSize = (double) lfs.Android.FontSize },
+                        new Span { Text = "€", FontSize = (double) lfs.Android.FontSize }
+                    }
+                };
+            }
+            set { }
+        }
+        public decimal Total { get
+            {
+                return Bill?.Aggregate((decimal)0, (t, l) => t + l.Count * l.UnitaryCost) ?? (decimal)0;
+            }
+        }
     }
 }

BookAStar/BookAStar/Pages/BookQueryPage.xaml

@@ -9,27 +9,21 @@
              >
   <ContentPage.Resources>
     <ResourceDictionary>
-
+      <Style TargetType="Label">
-      <Style x:Key="labelStyle" TargetType="Label">
+        <Setter Property="Style" Value="{StaticResource LabelStyle}" />
-        <Setter Property="TextColor" Value="{DynamicResource EmphasisTextColor}" />
+      </Style>
-        <Setter Property="FontAttributes" Value="Bold" />
+      <Style TargetType="Button">
-        <Setter Property="FontSize" Value="{DynamicResource LargeFontSize}" />
+        <Setter Property="Style" Value="{StaticResource ButtonStyle}" />
-        <Setter Property="VerticalOptions" Value="Start" />
-        <Setter Property="LineBreakMode" Value="WordWrap" />
       </Style>
-
     </ResourceDictionary>
   </ContentPage.Resources>
 
   <StackLayout x:Name="bookQueryLayout">
-    <Label Text="{Binding Client.UserName}" Style="{StaticResource labelStyle}"
+    <Label Text="{Binding Client.UserName}"/>
-         VerticalOptions="Start" HorizontalOptions="Center" />
+    <Label Text="{Binding EventDate}"  />
-    <Label Text="{Binding Location.Address}" VerticalOptions="FillAndExpand" HorizontalOptions="Center" />
+    <Label Text="{Binding Location.Address}" />
-    <Label Text="{Binding Previsional}" VerticalOptions="Center" HorizontalOptions="Center" />
+    <Label Text="{Binding Previsional}" />
-
-    <Label Text="{Binding EventDate}" VerticalOptions="Center" HorizontalOptions="Center" />
-    <Label Text="{Binding Location.Address}" VerticalOptions="Center" HorizontalOptions="Center" />
     <maps:Map x:Name="map"></maps:Map>
-    <Button Text="Faire un devis" Clicked="MakeAnEstimate" VerticalOptions="Center" HorizontalOptions="End"/>
+    <Button Text="Faire un devis" Clicked="MakeAnEstimate" />
   </StackLayout>
 </ContentPage>

BookAStar/BookAStar/Pages/CommandLineEditorPage.xaml

@@ -0,0 +1,32 @@
+<?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:local="clr-namespace:BookAStar;assembly=BookAStar"
+             xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
+             x:Class="BookAStar.Pages.CommandLineEditorPage"
+             Style="{StaticResource PageStyle}">
+  <StackLayout>
+    <Label Text="Description de la ligne de facture" Style="{StaticResource InputLabelStyle}"></Label>
+    <Editor VerticalOptions="FillAndExpand"></Editor>
+    <Label Text="Durée de la prestation" 
+           Style="{StaticResource InputLabelStyle}"></Label>
+    <StackLayout Orientation="Horizontal">
+      <Entry Placeholder="Durée" Keyboard="Numeric" Style="{StaticResource BigEntry}"/>
+      <Picker SelectedIndex="1" Style="{StaticResource PickerStyle}">
+        <Picker.Items>
+          <x:String>Heures</x:String>
+          <x:String>Jours</x:String>
+          <x:String>Minutes</x:String>
+        </Picker.Items>
+      </Picker>
+    </StackLayout>
+    <Label Text="Quantité facturée" Style="{StaticResource InputLabelStyle}"></Label>
+    <Entry Placeholder="Quantité" Text="1" Keyboard="Numeric"  Style="{StaticResource BigEntry}"/>
+    <Label Text="Prix unitaire" Style="{StaticResource InputLabelStyle}"></Label>
+    <StackLayout Orientation="Horizontal">
+      <Entry Placeholder="Prix" Keyboard="Numeric" Style="{StaticResource BigEntry}"></Entry>
+      <Label Text="€" Style="{StaticResource BigLabel}" HorizontalTextAlignment="Start"/>
+    </StackLayout>
+    <Button Text="Valider cette ligne de facture"></Button>
+  </StackLayout>
+</ContentPage>

BookAStar/BookAStar/Pages/CommandLineEditorPage.xaml.cs

@@ -8,15 +8,11 @@ using Xamarin.Forms;
 
 namespace BookAStar.Pages
 {
-    public partial class MarkdownEditorPage : ContentPage
+    public partial class CommandLineEditorPage : ContentPage
     {
-        public MarkdownEditorPage()
+        public CommandLineEditorPage()
         {
             InitializeComponent();
-        }
-
-        public void GetText()
-        {
             
         }
     }

BookAStar/BookAStar/Pages/EditEstimatePage.xaml

@@ -2,41 +2,32 @@
 <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="BookAStar.Pages.EditEstimatePage"
-             xmlns:local="clr-namespace:BookAStar.Views;assembly=BookAStar"
+             xmlns:views="clr-namespace:BookAStar.Views;assembly=BookAStar"
-             >
+             xmlns:local="clr-namespace:BookAStar;assembly=BookAStar">
-  <StackLayout Padding="10,10,10,10">
+  <StackLayout Padding="10,10,10,10" BindingContext="{Binding .}">
-    
     <StackLayout Orientation="Horizontal" Padding="10,10,10,10">
-       <Label Text="{Binding Client.UserName}"
+      <Label Text="{Binding Client.UserName}" LineBreakMode="WordWrap"></Label>
-        LineBreakMode="WordWrap"></Label>
+      <Label Text="{Binding Query.Location.Address}" LineBreakMode="WordWrap"></Label>
-    <Label Text="{Binding Query.Location.Address}"
+      <Label Text="{Binding Query.EventDate, StringFormat='{0:dddd d MMMM yyyy à hh:mm}'}" LineBreakMode="WordWrap"></Label>
-         LineBreakMode="WordWrap"  ></Label>
-    <Label Text="{Binding Query.EventDate, StringFormat='{0:dddd d MMMM yyyy à hh:mm}'}"
-         LineBreakMode="WordWrap"  ></Label>
     </StackLayout>
 
-    <local:MarkdownView x:Name="mdview" Markdown="{Binding Description}"
+    <views:MarkdownView x:Name="mdview"
-         Edited="OnDescriptionChanged" HorizontalOptions="FillAndExpand"
+                        Edited="OnDescriptionChanged" HorizontalOptions="FillAndExpand"
-                        VerticalOptions="FillAndExpand">
+         HeightRequest="120"  VerticalOptions="FillAndExpand"
+    Markdown="{Binding Description}"></views:MarkdownView>
 
-    </local:MarkdownView>
+    <ListView HeightRequest="160">
-
-   <!-- <ListView >
       <ListView.ItemTemplate>
         <DataTemplate>
           <ViewCell>
-            <ViewCell.View>
+            <ViewCell.View HeightRequest="80">
-              <StackLayout Orientation="Horizontal">
-                <Entry Placeholder="Ligne de facture"></Entry>
-                <Entry Placeholder="Compte"></Entry>
-                <Entry Placeholder="Prix unitaire" ></Entry>
-              </StackLayout>
             </ViewCell.View>
           </ViewCell>
         </DataTemplate>
       </ListView.ItemTemplate>
-    </ListView> -->
+    </ListView>
-    <Label Text="Total TTC:"></Label>
+    <Button Text="Ajouter une ligne de facture" Clicked="OnNewCommanLine"></Button>
+    <Label FormattedText="{Binding FormattedTotal}"/>
     <Button Text="Valider ce devis"></Button>
   </StackLayout>
 </ContentPage>

BookAStar/BookAStar/Pages/EditEstimatePage.xaml.cs

@@ -16,7 +16,10 @@ namespace BookAStar.Pages
         public Estimate Estimate { get { return BindingContext as Estimate;  } set {
                 BindingContext = value;
             } }
-        public static readonly BindableProperty MarkdownProperty =
+        public static readonly BindableProperty TotalProperty =
+            BindableProperty.Create("Total", typeof(decimal), typeof(EditEstimatePage),
+               (decimal) 0, BindingMode.OneWay);
+        public static readonly BindableProperty DescriptionProperty =
             BindableProperty.Create("Description", typeof(string), typeof(Estimate),
                 null, BindingMode.TwoWay);
         public static readonly BindableProperty ClientProperty =
@@ -26,19 +29,31 @@ namespace BookAStar.Pages
             BindableProperty.Create("Query", typeof(BookQueryData), typeof(Estimate),
                 null, BindingMode.OneWay);
 
+        
+
         public EditEstimatePage()
         {
             InitializeComponent();
         }
+
         protected override void OnBindingContextChanged()
         {
             base.OnBindingContextChanged();
-            mdview.Markdown = Estimate?.Description;
+            // FIXME Why the Binding don't work?
+            mdview.Markdown = Estimate.Description;
+
         }
 
         protected void OnDescriptionChanged (object sender, EventArgs e)
         {
+            // FIXME Why the Binding don't work?
             Estimate.Description = mdview.Markdown;
         }
+        protected void OnNewCommanLine(object sender, EventArgs e)
+        {
+            var com = new CommandLine();
+            App.CurrentApp.EditCommandLine(com);
+        }
+       
     }
 }

BookAStar/BookAStar/Views/CommandLineEditor.xaml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentView xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:BookAStar;assembly=BookAStar"
+             x:Class="BookAStar.Views.CommandLineEditor"
+             BackgroundColor="{x:Static local:Constants.BackgroundColor}"
+             >
+    <StackLayout>
+      <Label Text="Description de la ligne de facture"></Label>
+      <Editor ></Editor>
+      <StackLayout Orientation="Horizontal">
+        <Entry Placeholder="Durée de la prestation" Keyboard="Numeric"></Entry>
+        <Picker>
+            <Picker.Items>
+              <x:String>Heures</x:String>
+              <x:String>Jours</x:String>
+              <x:String>Minutes</x:String>
+            </Picker.Items>
+        </Picker>
+      </StackLayout>
+      <Entry Placeholder="Quantité" Text="1"/>
+        <Entry Placeholder="Prix unitaire" ></Entry>
+        <Button Text="Valider cette ligne de facture"></Button>
+    </StackLayout>
+</ContentView>

BookAStar/BookAStar/Views/CommandLineEditor.xaml.cs

@@ -5,13 +5,14 @@ using System.Text;
 using System.Threading.Tasks;
 using Xamarin.Forms;
 
-namespace App2
+namespace BookAStar.Views 
 {
-    public partial class MainPage : ContentPage
+    public partial class CommandLineEditor : ContentView
     {
-        public MainPage()
+        public CommandLineEditor()
         {
             InitializeComponent();
+
         }
     }
 }