1 files changed, 115 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Tango.Explorer/ExplorerControl.cs b/Software/Visual_Studio/Tango.Explorer/ExplorerControl.cs
new file mode 100644
index 000000000..6f276f184
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Explorer/ExplorerControl.cs
@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using Tango.Core.Commands;
+
+namespace Tango.Explorer
+{
+    public class ExplorerControl : Control
+    {
+        private bool _changing_current_path;
+
+        public String CurrentPath
+        {
+            get { return (String)GetValue(CurrentPathProperty); }
+            set { SetValue(CurrentPathProperty, value); }
+        }
+        public static readonly DependencyProperty CurrentPathProperty =
+            DependencyProperty.Register("CurrentPath", typeof(String), typeof(ExplorerControl), new PropertyMetadata(null, (d, e) => (d as ExplorerControl).OnCurrentPathChanged()));
+
+        public ExplorerFolderItem CurrentFolder
+        {
+            get { return (ExplorerFolderItem)GetValue(CurrentFolderProperty); }
+            set { SetValue(CurrentFolderProperty, value); }
+        }
+        public static readonly DependencyProperty CurrentFolderProperty =
+            DependencyProperty.Register("CurrentFolder", typeof(ExplorerFolderItem), typeof(ExplorerControl), new PropertyMetadata(null, (d, e) => (d as ExplorerControl).OnCurrentFolderChanged()));
+
+        public ExplorerItem SelectedItem
+        {
+            get { return (ExplorerItem)GetValue(SelectedItemProperty); }
+            set { SetValue(SelectedItemProperty, value); }
+        }
+        public static readonly DependencyProperty SelectedItemProperty =
+            DependencyProperty.Register("SelectedItem", typeof(ExplorerItem), typeof(ExplorerControl), new PropertyMetadata(null, (d, e) => (d as ExplorerControl).OnSelectedItemChanged()));
+
+        public RelayCommand BackCommand
+        {
+            get { return (RelayCommand)GetValue(BackCommandProperty); }
+            set { SetValue(BackCommandProperty, value); }
+        }
+        public static readonly DependencyProperty BackCommandProperty =
+            DependencyProperty.Register("BackCommand", typeof(RelayCommand), typeof(ExplorerControl), new PropertyMetadata(null));
+
+        static ExplorerControl()
+        {
+            DefaultStyleKeyProperty.OverrideMetadata(typeof(ExplorerControl), new FrameworkPropertyMetadata(typeof(ExplorerControl)));
+        }
+
+        public ExplorerControl()
+        {
+            BackCommand = new RelayCommand(NavigateBack);
+        }
+
+        private void OnCurrentPathChanged()
+        {
+            if (_changing_current_path) return;
+
+            _changing_current_path = true;
+
+            if (Directory.Exists(CurrentPath))
+            {
+                CurrentFolder = ExplorerFolderItem.LoadFromPath(CurrentPath);
+            }
+
+            _changing_current_path = false;
+        }
+
+        private void OnCurrentFolderChanged()
+        {
+            if (_changing_current_path) return;
+
+            _changing_current_path = true;
+
+            CurrentPath = CurrentFolder.Path;
+
+            _changing_current_path = false;
+        }
+
+        private void OnSelectedItemChanged()
+        {
+            if (SelectedItem != null)
+            {
+                if (SelectedItem is ExplorerFolderItem)
+                {
+                    var folder = SelectedItem as ExplorerFolderItem;
+                    folder = ExplorerFolderItem.LoadFromPath(folder.Path);
+                    CurrentFolder = folder;
+                    SelectedItem = null;
+                }
+            }
+        }
+
+        private void NavigateBack()
+        {
+            var parentPath = CurrentFolder.GetParentPath();
+
+            if (parentPath != null)
+            {
+                CurrentFolder = ExplorerFolderItem.LoadFromPath(parentPath);
+            }
+        }
+    }
+}