Add option for user to hide columns in ProductsGrid

Source/AppScaffolding/LibationScaffolding.cs

@@ -125,6 +125,9 @@ namespace AppScaffolding
 
 			if (!config.Exists(nameof(config.AutoScan)))
 				config.AutoScan = true;
+
+			if (!config.Exists(nameof(config.HiddenGridColumns)))
+				config.HiddenGridColumns = Array.Empty<string>();
 		}
 
 		/// <summary>Initialize logging. Run after migration</summary>

Source/FileManager/PersistentDictionary.cs

@@ -52,6 +52,7 @@ namespace FileManager
 			if (obj is null) return default;
 			if (obj is JValue jValue) return jValue.Value<T>();
 			if (obj is JObject jObject) return jObject.ToObject<T>();
+			if (obj is JArray jArray && typeof(T).IsArray) return jArray.ToObject<T>();
 			return (T)obj;
 		}
 

Source/LibationFileManager/Configuration.cs

@@ -180,6 +180,13 @@ namespace LibationFileManager
             set => persistentDictionary.SetNonString(nameof(LameVBRQuality), value);
         }
         
+        [Description("A list of GridView data property names whose columns should be hidden in ProductsGrid")]
+        public string[] HiddenGridColumns
+        {
+            get => persistentDictionary.GetNonString<string[]>(nameof(HiddenGridColumns));
+            set => persistentDictionary.SetNonString(nameof(HiddenGridColumns), value);
+        }
+
         public enum BadBookAction
         {
             [Description("Ask each time what action to take.")]

Source/LibationWinForms/grid/ProductsGrid.Designer.cs

@@ -46,6 +46,7 @@
 			this.dataGridViewTextBoxColumn10 = new System.Windows.Forms.DataGridViewTextBoxColumn();
 			this.dataGridViewTextBoxColumn11 = new System.Windows.Forms.DataGridViewTextBoxColumn();
 			this.dataGridViewImageButtonBoxColumn2 = new LibationWinForms.EditTagsDataGridViewImageButtonColumn();
+			this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
 			((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).BeginInit();
 			((System.ComponentModel.ISupportInitialize)(this.gridEntryDataGridView)).BeginInit();
 			this.SuspendLayout();
@@ -76,6 +77,7 @@
             this.dataGridViewTextBoxColumn10,
             this.dataGridViewTextBoxColumn11,
             this.dataGridViewImageButtonBoxColumn2});
+			this.gridEntryDataGridView.ContextMenuStrip = this.contextMenuStrip1;
 			this.gridEntryDataGridView.DataSource = this.gridEntryBindingSource;
 			dataGridViewCellStyle1.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
 			dataGridViewCellStyle1.BackColor = System.Drawing.SystemColors.Window;
@@ -166,26 +168,26 @@
 			this.dataGridViewTextBoxColumn7.Name = "dataGridViewTextBoxColumn7";
 			this.dataGridViewTextBoxColumn7.ReadOnly = true;
 			// 
-            // ProductRating
+			// dataGridViewTextBoxColumn8
 			// 
 			this.dataGridViewTextBoxColumn8.DataPropertyName = "ProductRating";
 			this.dataGridViewTextBoxColumn8.HeaderText = "Product Rating";
-            this.dataGridViewTextBoxColumn8.Name = "ProductRating";
+			this.dataGridViewTextBoxColumn8.Name = "dataGridViewTextBoxColumn8";
 			this.dataGridViewTextBoxColumn8.ReadOnly = true;
 			this.dataGridViewTextBoxColumn8.Width = 108;
 			// 
-            // PurchaseDate
+			// dataGridViewTextBoxColumn9
 			// 
 			this.dataGridViewTextBoxColumn9.DataPropertyName = "PurchaseDate";
 			this.dataGridViewTextBoxColumn9.HeaderText = "Purchase Date";
-            this.dataGridViewTextBoxColumn9.Name = "PurchaseDate";
+			this.dataGridViewTextBoxColumn9.Name = "dataGridViewTextBoxColumn9";
 			this.dataGridViewTextBoxColumn9.ReadOnly = true;
 			// 
-            // MyRating
+			// dataGridViewTextBoxColumn10
 			// 
 			this.dataGridViewTextBoxColumn10.DataPropertyName = "MyRating";
 			this.dataGridViewTextBoxColumn10.HeaderText = "My Rating";
-            this.dataGridViewTextBoxColumn10.Name = "MyRating";
+			this.dataGridViewTextBoxColumn10.Name = "dataGridViewTextBoxColumn10";
 			this.dataGridViewTextBoxColumn10.ReadOnly = true;
 			this.dataGridViewTextBoxColumn10.Width = 108;
 			// 
@@ -206,6 +208,11 @@
 			this.dataGridViewImageButtonBoxColumn2.Resizable = System.Windows.Forms.DataGridViewTriState.False;
 			this.dataGridViewImageButtonBoxColumn2.SortMode = System.Windows.Forms.DataGridViewColumnSortMode.Automatic;
 			// 
+			// contextMenuStrip1
+			// 
+			this.contextMenuStrip1.Name = "contextMenuStrip1";
+			this.contextMenuStrip1.Size = new System.Drawing.Size(181, 26);
+			// 
 			// ProductsGrid
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
@@ -238,5 +245,6 @@
         private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn10;
         private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn11;
         private EditTagsDataGridViewImageButtonColumn dataGridViewImageButtonBoxColumn2;
+		private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
 	}
 }

Source/LibationWinForms/grid/ProductsGrid.cs

@@ -8,6 +8,7 @@ using Dinah.Core;
 using Dinah.Core.DataBinding;
 using Dinah.Core.Threading;
 using Dinah.Core.Windows.Forms;
+using LibationFileManager;
 using LibationWinForms.Dialogs;
 
 namespace LibationWinForms
@@ -38,12 +39,61 @@ namespace LibationWinForms
 		{
 			InitializeComponent();
 
+			var hiddenGridEntries = Configuration.Instance.HiddenGridColumns;
+
+			contextMenuStrip1.Items.Add(new ToolStripLabel("Show / Hide Columns"));
+			contextMenuStrip1.Items.Add(new ToolStripSeparator());
+
+			foreach (DataGridViewColumn column in _dataGridView.Columns)
+			{ 
+				var visible = !hiddenGridEntries.Contains(column.DataPropertyName);
+
+				var itemName = column.DataPropertyName;
+
+				var menuItem = new ToolStripMenuItem()
+				{
+					Text = itemName,
+					Checked = visible,
+					Tag = itemName
+				};
+				menuItem.Click += HideMenuItem_Click;
+				contextMenuStrip1.Items.Add(menuItem);
+
+				column.Visible = visible;
+			}
+
 			// sorting breaks filters. must reapply filters after sorting
 			_dataGridView.Sorted += Filter;
 			_dataGridView.CellContentClick += DataGridView_CellContentClick;
 
 			EnableDoubleBuffering();
 		}
+
+		private void HideMenuItem_Click(object sender, EventArgs e)
+		{
+			var menuItem = sender as ToolStripMenuItem;
+			var propertyName = menuItem.Tag as string;
+
+			var column = _dataGridView.Columns.Cast<DataGridViewColumn>().FirstOrDefault(c => c.DataPropertyName == propertyName);
+
+			if (column != null)
+			{
+				var visible = menuItem.Checked;
+				menuItem.Checked = !visible;
+				column.Visible = !visible;
+
+				var config = Configuration.Instance;
+
+				var hiddenColumns = new List<string>(config.HiddenGridColumns);
+
+				if (column.Visible && hiddenColumns.Contains(propertyName))
+					hiddenColumns.Remove(propertyName);
+				else if (!hiddenColumns.Contains(propertyName))
+					hiddenColumns.Add(propertyName);
+
+				config.HiddenGridColumns = hiddenColumns.ToArray();
+			}
+		}
 		private void EnableDoubleBuffering()
 		{
 			var propertyInfo = _dataGridView.GetType().GetProperty("DoubleBuffered", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
@@ -225,5 +275,6 @@ namespace LibationWinForms
 		#region DataGridView Macro
 		private GridEntry getGridEntry(int rowIndex) => _dataGridView.GetBoundItem<GridEntry>(rowIndex);
 		#endregion
+
 	}
 }

Source/LibationWinForms/grid/ProductsGrid.resx

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<root>
-<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">
@@ -61,4 +60,7 @@
   <metadata name="gridEntryBindingSource.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>17, 17</value>
   </metadata>
+  <metadata name="contextMenuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>197, 17</value>
+  </metadata>
 </root>