Can now make PDFs again; more UI tweaks

ViewModels/MainViewModel.cs

@@ -34,14 +34,20 @@ class MainViewModel : BaseViewModel, IFontResolver
         _baseDir = Path.GetDirectoryName(Environment.ProcessPath) ?? "";
         _isCreatingPDF = false;
         _createPDFLog = "Ready to create PDF! Choose a folder to begin...";
-        _reportFiles = new ObservableCollection<ReportFile>();
         _workingFolder = "";
+        _reportFiles = new ObservableCollection<ReportFile>();
+        _reportFiles.CollectionChanged += ( sender, e ) => { NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled)); };
     }
 
     public bool IsCreatingPDF
     {
         get => _isCreatingPDF;
-        set { _isCreatingPDF = value; NotifyPropertyChanged(); }
+        set { _isCreatingPDF = value; NotifyPropertyChanged(); NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled)); }
+    }
+
+    public bool IsCreatePDFButtonEnabled
+    {
+        get => !_isCreatingPDF && _reportFiles.Count > 0;
     }
 
     public string CreatePDFLog
@@ -121,10 +127,11 @@ class MainViewModel : BaseViewModel, IFontResolver
         var result = await DialogHost.Show(new EditFileViewModel(file, ViewModelChanger));
     }
 
-    private async void BuildPDF()
+    public async void BuildPDF()
     {
         try
         {
+            // TODO: use already found files
             await Task.Run(() => CreatePDF(_workingFolder));
         } catch (Exception e)
         {

Views/MainView.axaml

@@ -10,7 +10,7 @@
              xmlns:progRing="clr-namespace:AvaloniaProgressRing;assembly=AvaloniaProgressRing"
              x:DataType="vm:MainViewModel">
   <Grid ColumnDefinitions="*"
-        RowDefinitions="Auto, 2*, Auto, *">
+        RowDefinitions="Auto, 2*, Auto, Auto, *">
     <StackPanel Orientation="Vertical"
                 Spacing="4">
         <Label Content="Easy Receipt Folder -> PDF Builder"
@@ -21,21 +21,6 @@
               Command="{Binding ChooseFolder}"
               IsEnabled="{Binding !IsCreatingPDF}" />
     </StackPanel>
-    <StackPanel Orientation="Vertical"
-                Spacing="2"
-                Grid.Column="0"
-                Grid.Row="1"
-                Margin="2">
-      <Label Content="Creating PDF..."
-            IsVisible="{Binding IsCreatingPDF}"/>
-      <progRing:ProgressRing Width="80" 
-                      Height="80"
-                      IsActive="{Binding IsCreatingPDF}"
-                      HorizontalAlignment="Left"
-                      VerticalAlignment="Top"
-                      Foreground="LightBlue"
-                      Margin="10,20,0,0"/>
-    </StackPanel>
     <DataGrid x:Name="FilesGrid"
               Classes="DragAndDrop ItemsDragAndDrop"
               Grid.Row="1"
@@ -108,10 +93,36 @@
             </DataGridTemplateColumn>
         </DataGrid.Columns>
     </DataGrid>
-    <GridSplitter Grid.Row="2"
-                  Background="LightGray"/>
+    <StackPanel Orientation="Vertical"
+                HorizontalAlignment="Center"
+                Spacing="4"
+                Grid.Row="2"
+                Margin="4">
+      <Button Content="Create Report PDF"
+              Command="{Binding BuildPDF}"
+              Classes="accent"
+              IsEnabled="{Binding IsCreatePDFButtonEnabled}" />
+      <StackPanel Orientation="Horizontal"
+                  IsVisible="{Binding IsCreatingPDF}"
+                  Spacing="6">
+        <Label Content="Creating PDF..."
+               IsVisible="{Binding IsCreatingPDF}"
+               VerticalAlignment="Center"/>
+        <progRing:ProgressRing Width="30" 
+                        Height="30"
+                        IsActive="{Binding IsCreatingPDF}"
+                        Foreground="{DynamicResource SystemAccentColor}"/>
+      </StackPanel>
+    </StackPanel>
+    <StackPanel Orientation="Vertical"
+                HorizontalAlignment="Stretch"
+                Spacing="2"
+                Grid.Row="3">
+        <Rectangle Fill="Gray" Height="3" HorizontalAlignment="Stretch"/>
+        <Label Content="Program Log" FontSize="14" FontWeight="Bold"/>
+    </StackPanel>
     <ScrollViewer Margin="2"
-                  Grid.Row="3"
+                  Grid.Row="4"
                   x:Name="LogScrollView">
         <SelectableTextBlock Text="{Binding CreatePDFLog}"
                             Margin="2"

Views/WarningDeleteItem.axaml

@@ -14,6 +14,7 @@
         <TextBlock TextAlignment="Center"
                    FontWeight="Bold"
                    TextWrapping="Wrap"
+                   FontSize="16"
                    MaxWidth="350">Are you sure you want to remove the item "<Run Text="{Binding File.Title}"/>"?</TextBlock>
         <StackPanel Orientation="Horizontal"
                     HorizontalAlignment="Center"