Merge pull request #46 from lizaalert/dev_desktopApp

feat: add geo tags and prepare 0.3.0 release
lacmus-foundation · Sep 26, 2019 · eda8512 · eda8512
2 parents 32c79cf + c2b8ad1
commit eda8512
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Showing 4 changed files with 194 additions and 2 deletions.
diff --git a/RescuerLaApp/Models/TextTableBuilder.cs b/RescuerLaApp/Models/TextTableBuilder.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace RescuerLaApp.Models
+{
+    public interface ITextRow
+    {
+        String Output();
+        void Output(StringBuilder sb);
+        Object Tag { get; set; }
+    }
+
+    public class TextTableBuilder : IEnumerable<ITextRow>
+    {
+        protected class TextRow : List<String>, ITextRow
+        {
+            protected TextTableBuilder owner = null;
+            public TextRow(TextTableBuilder Owner)
+            {
+                owner = Owner;
+                if (owner == null) throw new ArgumentException("Owner");
+            }
+            public String Output()
+            {
+                StringBuilder sb = new StringBuilder();
+                Output(sb);
+                return sb.ToString();
+            }
+            public void Output(StringBuilder sb)
+            {
+                sb.AppendFormat(owner.FormatString, this.ToArray());
+            }
+            public Object Tag { get; set; }
+        }
+
+        public String Separator { get; set; }
+
+        protected List<ITextRow> rows = new List<ITextRow>();
+        protected List<int> colLength = new List<int>();
+
+        public TextTableBuilder()
+        {
+            Separator = "  ";
+        }
+
+        public TextTableBuilder(String separator)
+            : this()
+        {
+            Separator = separator;
+        }
+
+        public ITextRow AddRow(params object[] cols)
+        {
+            TextRow row = new TextRow(this);
+            foreach (object o in cols)
+            {
+                String str = o.ToString().Trim();
+                row.Add(str);
+                if (colLength.Count >= row.Count)
+                {
+                    int curLength = colLength[row.Count - 1];
+                    if (str.Length > curLength) colLength[row.Count - 1] = str.Length;
+                }
+                else
+                {
+                    colLength.Add(str.Length);
+                }
+            }
+            rows.Add(row);
+            return row;
+        }
+
+        protected String _fmtString = null;
+        public String FormatString
+        {
+            get
+            {
+                if (_fmtString == null)
+                {
+                    String format = "";
+                    int i = 0;
+                    foreach (int len in colLength)
+                    {
+                        format += String.Format("{{{0},-{1}}}{2}", i++, len, Separator);
+                    }
+                    format += "\r\n";
+                    _fmtString = format;
+                }
+                return _fmtString;
+            }
+        }
+
+        public String Output()
+        {
+            StringBuilder sb = new StringBuilder();
+            foreach (TextRow row in rows)
+            {
+                row.Output(sb);
+            }
+            return sb.ToString();
+        }
+
+        #region IEnumerable Members
+
+        public IEnumerator<ITextRow> GetEnumerator()
+        {
+            return rows.GetEnumerator();
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            return rows.GetEnumerator();
+        }
+
+        #endregion
+    }
+}
diff --git a/RescuerLaApp/RescuerLaApp.csproj b/RescuerLaApp/RescuerLaApp.csproj
@@ -22,6 +22,7 @@
     <PackageReference Include="Avalonia.Skia.Linux.Natives" Version="1.68.0.2" />
     <PackageReference Include="Docker.DotNet" Version="3.125.2" />
     <PackageReference Include="MessageBox.Avalonia" Version="0.8.3" />
+    <PackageReference Include="MetadataExtractor" Version="2.1.0" />
     <PackageReference Include="NewtonSoft.Json" Version="12.0.2" />
     <PackageReference Include="ReactiveUI.Fody" Version="9.16.3" />
   </ItemGroup>

diff --git a/RescuerLaApp/ViewModels/MainWindowViewModel.cs b/RescuerLaApp/ViewModels/MainWindowViewModel.cs
@@ -7,6 +7,7 @@
 using System.Reactive;
 using System.Reactive.Linq;
 using System.Runtime.InteropServices;
+using System.Text;
 using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
@@ -15,9 +16,11 @@
 using MessageBox.Avalonia.DTO;
 using MessageBox.Avalonia.Enums;
 using MessageBox.Avalonia.Models;
+using MetadataExtractor;
 using ReactiveUI;
 using ReactiveUI.Fody.Helpers;
 using Newtonsoft.Json;
+using Directory = System.IO.Directory;
 
 namespace RescuerLaApp.ViewModels
 {
@@ -68,6 +71,8 @@ public MainWindowViewModel()
             ShowPerestriansCommand = ReactiveCommand.Create(ShowPedestrians, canExecute);
             ImportAllCommand = ReactiveCommand.Create(ImportAll, canExecute);
             SaveAllImagesWithObjectsCommand = ReactiveCommand.Create(SaveAllImagesWithObjects, canExecute);
+            ShowAllMetadataCommand = ReactiveCommand.Create(ShowAllMetadata, canExecute);
+            ShowGeoDataCommand = ReactiveCommand.Create(ShowGeoData, canExecute);
             HelpCommand = ReactiveCommand.Create(Help);
             AboutCommand = ReactiveCommand.Create(About);
             ExitCommand = ReactiveCommand.Create(Exit, canExecute);
@@ -130,6 +135,9 @@ public void UpdateFramesRepo()
         public ReactiveCommand<Unit, Unit> ShowPerestriansCommand { get; }
 
         public ReactiveCommand<Unit, Unit> SaveAllImagesWithObjectsCommand { get; }
+
+        public ReactiveCommand<Unit, Unit> ShowAllMetadataCommand { get; }
+        public ReactiveCommand<Unit, Unit> ShowGeoDataCommand { get; }
         public ReactiveCommand<Unit, Unit> HelpCommand { get; }
         public ReactiveCommand<Unit, Unit> AboutCommand { get; }
         public ReactiveCommand<Unit, Unit> ExitCommand { get; }
@@ -542,6 +550,64 @@ public void Help()
         {
             OpenUrl("https://github.com/lizaalert/lacmus/wiki");
         }
+
+        public void ShowGeoData()
+        {
+            string msg = string.Empty;
+            int rows = 0;
+            var directories = ImageMetadataReader.ReadMetadata(Frames[SelectedIndex].Patch);
+            foreach (var directory in directories)
+            foreach (var tag in directory.Tags)
+            {
+                if (directory.Name.ToLower() == "gps")
+                {
+                    if (tag.Name.ToLower() == "gps latitude" ||
+                        tag.Name.ToLower() == "gps longitude" ||
+                        tag.Name.ToLower() == "gps altitude")
+                    {
+                        rows++;
+                        msg += $"{tag.Name}: {tag.Description}\n";
+                    }
+                }
+            }
+
+            if (rows != 3)
+                msg = "This image have hot geo tags.\nUse `Show all metadata` more for more details.";
+            var msgbox = new MessageBox.Avalonia.MessageBoxWindow(new MessageBoxParams
+            {
+                Button = ButtonEnum.Ok,
+                ContentTitle = $"Geo position of {Path.GetFileName(Frames[SelectedIndex].Patch)}",
+                ContentMessage = msg,
+                Icon = Icon.Info,
+                Style = Style.None,
+                ShowInCenter = true
+            });
+            msgbox.Show();
+        }
+
+        public void ShowAllMetadata()
+        {
+            var tb = new TextTableBuilder();
+            tb.AddRow("Group", "Tag name", "Description");
+            tb.AddRow("-----", "--------", "-----------");
+
+
+            var directories = ImageMetadataReader.ReadMetadata(Frames[SelectedIndex].Patch);
+            foreach (var directory in directories)
+            foreach (var tag in directory.Tags)
+                tb.AddRow(directory.Name, tag.Name, tag.Description);
+
+            var msgbox = new MessageBox.Avalonia.MessageBoxWindow(new MessageBoxParams
+            {
+                Button = ButtonEnum.Ok,
+                ContentTitle = $"Metadata of {Path.GetFileName(Frames[SelectedIndex].Patch)}",
+                ContentMessage = tb.Output(),
+                Icon = Icon.Info,
+                Style = Style.None,
+                ShowInCenter = true
+            });
+            msgbox.Show();
+        }
 
         public async void About()
         {

diff --git a/RescuerLaApp/Views/MainWindow.xaml b/RescuerLaApp/Views/MainWindow.xaml
@@ -113,8 +113,15 @@
                   VerticalAlignment="Stretch"
                   Background="{Binding ImageBrush}"
                   Height="{Binding CanvasHeight, Mode=TwoWay}"
-                  Width="{Binding CanvasWidth, Mode=TwoWay}"
-                />
+                  Width="{Binding CanvasWidth, Mode=TwoWay}">
+                  <Canvas.ContextMenu>
+                    <ContextMenu>
+                      <MenuItem Header="Show geo position" Command="{Binding ShowGeoDataCommand}"/>
+                      <!-- <MenuItem Header="Find nearest photo"/> -->
+                      <MenuItem Header="Show all metadata" Command="{Binding ShowAllMetadataCommand}"/>
+                    </ContextMenu>
+                  </Canvas.ContextMenu>
+                </Canvas>  
               </ItemsPanelTemplate>
             </ItemsControl.ItemsPanel>
             <ItemsControl.ItemTemplate>