Add tooltip to File

src/modules/peek/Peek.Common/Helpers/ReadableStringHelper.cs

@@ -45,5 +45,13 @@ namespace Peek.Common.Helpers
 
             return formattedString;
         }
+
+        public static string FormatResourceString(string resourceId, object? args0, object? args1)
+        {
+            var formatString = ResourceLoader.GetForViewIndependentUse().GetString(resourceId);
+            var formattedString = string.Format(formatString, args0, args1);
+
+            return formattedString;
+        }
     }
 }

src/modules/peek/Peek.FilePreviewer/FilePreview.xaml

@@ -5,11 +5,11 @@
     x:Class="Peek.FilePreviewer.FilePreview"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="using:Peek.FilePreviewer.Controls"
     xmlns:conv="using:Peek.Common.Converters"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:local="using:Peek.FilePreviewer"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:controls="using:Peek.FilePreviewer.Controls"
     mc:Ignorable="d">
 
     <Grid>
@@ -21,14 +21,16 @@
         <Image
             x:Name="PreviewImage"
             Source="{x:Bind BitmapPreviewer.Preview, Mode=OneWay}"
+            ToolTipService.ToolTip="{x:Bind ImageInfoTooltip, Mode=OneWay}"
             Visibility="{x:Bind IsImageVisible, Mode=OneWay}" />
 
-        <controls:BrowserControl x:Name="PreviewBrowser"
-                                 x:Load="True"
-                                 Source="{x:Bind BrowserPreviewer.Preview, Mode=OneWay}"
-                                 IsNavigationCompleted="{x:Bind BrowserPreviewer.IsPreviewLoaded, Mode=TwoWay}"
-                                 Visibility="{x:Bind IsBrowserVisible, Mode=OneWay, FallbackValue=Collapsed}"
-                                 NavigationCompleted="PreviewBrowser_NavigationCompleted"/>
+        <controls:BrowserControl
+            x:Name="PreviewBrowser"
+            x:Load="True"
+            IsNavigationCompleted="{x:Bind BrowserPreviewer.IsPreviewLoaded, Mode=TwoWay}"
+            NavigationCompleted="PreviewBrowser_NavigationCompleted"
+            Source="{x:Bind BrowserPreviewer.Preview, Mode=OneWay}"
+            Visibility="{x:Bind IsBrowserVisible, Mode=OneWay, FallbackValue=Collapsed}" />
 
         <local:UnsupportedFilePreview
             DateModified="{x:Bind UnsupportedFilePreviewer.DateModified, Mode=OneWay}"

src/modules/peek/Peek.FilePreviewer/FilePreview.xaml.cs

@@ -10,6 +10,7 @@ namespace Peek.FilePreviewer
     using Microsoft.UI.Xaml;
     using Microsoft.UI.Xaml.Controls;
     using Microsoft.UI.Xaml.Media.Imaging;
+    using Peek.Common.Helpers;
     using Peek.Common.Models;
     using Peek.FilePreviewer.Models;
     using Peek.FilePreviewer.Previewers;
@@ -36,7 +37,9 @@ namespace Peek.FilePreviewer
         [NotifyPropertyChangedFor(nameof(IsUnsupportedPreviewVisible))]
         [NotifyPropertyChangedFor(nameof(BrowserPreviewer))]
         [NotifyPropertyChangedFor(nameof(IsBrowserVisible))]
+        [NotifyPropertyChangedFor(nameof(ImageInfoTooltip))]
         private IPreviewer? previewer;
+        private string imageTooltip = "No file yet";
 
         public FilePreview()
         {
@@ -49,6 +52,8 @@ namespace Peek.FilePreviewer
 
         public bool IsImageVisible => BitmapPreviewer != null;
 
+        public string ImageInfoTooltip => imageTooltip;
+
         public IUnsupportedFilePreviewer? UnsupportedFilePreviewer => Previewer as IUnsupportedFilePreviewer;
 
         public bool IsUnsupportedPreviewVisible => UnsupportedFilePreviewer != null;
@@ -90,6 +95,8 @@ namespace Peek.FilePreviewer
                 PreviewSizeChanged?.Invoke(this, new PreviewSizeChangedArgs(size));
                 await Previewer.LoadPreviewAsync();
             }
+
+            await UpdateImageTooltipAsync();
         }
 
         private void PreviewBrowser_NavigationCompleted(WebView2 sender, Microsoft.Web.WebView2.Core.CoreWebView2NavigationCompletedEventArgs args)
@@ -97,5 +104,33 @@ namespace Peek.FilePreviewer
             // Once browser has completed navigation it is ready to be visible
             OnPropertyChanged(nameof(IsBrowserVisible));
         }
+
+        private async Task UpdateImageTooltipAsync()
+        {
+            if (File == null)
+            {
+                return;
+            }
+
+            imageTooltip = string.Empty;
+
+            // Fetch and format available file properties
+            imageTooltip += ReadableStringHelper.FormatResourceString("PreviewTooltip_FileName", File.FileName);
+
+            string fileType = await PropertyHelper.GetFileType(File.Path);
+            imageTooltip += string.IsNullOrEmpty(fileType) ? string.Empty : "\n" + ReadableStringHelper.FormatResourceString("PreviewTooltip_FileType", fileType);
+
+            string dateModified = File.DateModified.ToString();
+            imageTooltip += string.IsNullOrEmpty(dateModified) ? string.Empty : "\n" + ReadableStringHelper.FormatResourceString("PreviewTooltip_DateModified", dateModified);
+
+            Size dimensions = await PropertyHelper.GetImageSize(File.Path);
+            imageTooltip += dimensions.IsEmpty ? string.Empty : "\n" + ReadableStringHelper.FormatResourceString("PreviewTooltip_Dimensions", dimensions.Width, dimensions.Height);
+
+            ulong bytes = await PropertyHelper.GetFileSizeInBytes(File.Path);
+            string fileSize = ReadableStringHelper.BytesToReadableString(bytes);
+            imageTooltip += string.IsNullOrEmpty(fileSize) ? string.Empty : "\n" + ReadableStringHelper.FormatResourceString("PreviewTooltip_FileSize", fileSize);
+
+            OnPropertyChanged(nameof(ImageInfoTooltip));
+        }
     }
 }

src/modules/peek/Peek.UI/Strings/en-us/Resources.resw

@@ -181,4 +181,24 @@
     <value>{0} EB</value>
     <comment>Abbrivation for the size unit exabyte.</comment>
   </data>
+  <data name="PreviewTooltip_FileName" xml:space="preserve">
+    <value>Filename: {0}</value>
+    <comment>Filename for the tooltip of preview. {0} is the name.</comment>
+  </data>
+  <data name="PreviewTooltip_FileType" xml:space="preserve">
+    <value>Item Type: {0}</value>
+    <comment>Item Type for the tooltip of preview. {0} is the type.</comment>
+  </data>
+	<data name="PreviewTooltip_DateModified" xml:space="preserve">
+    <value>Date Modified: {0}</value>
+    <comment>Date Modified label for the tooltip of preview. {0} is the date.</comment>
+  </data>
+  <data name="PreviewTooltip_Dimensions" xml:space="preserve">
+    <value>Dimensions: {0} x {1}</value>
+    <comment>Dimensions label for the tooltip of preview. {0} is the width, {1} is the height.</comment>
+  </data>
+  <data name="PreviewTooltip_FileSize" xml:space="preserve">
+    <value>Size: {0}</value>
+    <comment>File Size label for the tooltip of preview. {0} is the size.</comment>
+  </data>
 </root>