From f098199010563f058d157be32904f301d522ff83 Mon Sep 17 00:00:00 2001
From: revengel66 <fafizu277>
Date: Mon, 30 Sep 2024 20:39:14 +0400
Subject: [PATCH] ready lab1

---
 ComponentsLibrary/ListBoxValues.Designer.cs |  1 +
 ComponentsLibrary/ListBoxValues.cs          | 71 ++++++++++++++-------
 ComponentsView/FormComponents.Designer.cs   | 15 ++++-
 ComponentsView/FormComponents.cs            | 13 ++++
 4 files changed, 77 insertions(+), 23 deletions(-)

diff --git a/ComponentsLibrary/ListBoxValues.Designer.cs b/ComponentsLibrary/ListBoxValues.Designer.cs
index 3c67356..5a76a2a 100644
--- a/ComponentsLibrary/ListBoxValues.Designer.cs
+++ b/ComponentsLibrary/ListBoxValues.Designer.cs
@@ -40,6 +40,7 @@
 			listBox.Name = "listBox";
 			listBox.Size = new Size(222, 124);
 			listBox.TabIndex = 0;
+			listBox.SelectedIndexChanged += listBox_SelectedIndexChanged;
 			// 
 			// ListBoxValues
 			// 
diff --git a/ComponentsLibrary/ListBoxValues.cs b/ComponentsLibrary/ListBoxValues.cs
index 2588f10..b7f44a0 100644
--- a/ComponentsLibrary/ListBoxValues.cs
+++ b/ComponentsLibrary/ListBoxValues.cs
@@ -5,16 +5,27 @@ namespace ComponentsLibrary
 {
 	public partial class ListBoxValues : UserControl
 	{
-		//private List<Employee> _employees;
 		private string layoutString = string.Empty;
 		private char startSymbol = '{';
 		private char endSymbol = '}';
 		private List<object> items = new List<object>();
+		private EventHandler? _getObject;
 		public ListBoxValues()
 		{
 			InitializeComponent();
 		}
 
+		//событие, вызываемое при выборе строки
+		public event EventHandler GetObject
+		{
+			add { _getObject += value; }
+			remove { _getObject -= value; }
+		}
+		private void listBox_SelectedIndexChanged(object sender, EventArgs e)
+		{
+			_getObject?.Invoke(this, e);
+		}
+
 		//Публичное свойство для установки и получения индекса выбранной строки (set, get). 
 		public int SelectedIndex
 		{
@@ -36,35 +47,51 @@ namespace ComponentsLibrary
 			items.Clear();
 			foreach (var item in itemList)
 			{
-				items.Add(item);
-				string displayText = CreateDisplayText(item);
-				listBox.Items.Add(displayText);
+				if (item != null) {
+					items.Add(item);
+					string displayText = CreateDisplayText(item);
+					listBox.Items.Add(displayText);
+				}
 			}
 		}
 		// Метод для создания строки на основе макета
 		private string CreateDisplayText(object item)
 		{
 			string text = layoutString;
-			// Регулярное выражение для поиска имен свойств
-			var regex = new Regex($@"{startSymbol}(\w+){endSymbol}");
-			return regex.Replace(text, match =>
-			{
-				string propertyName = match.Groups[1].Value;
-				PropertyInfo prop = item.GetType().GetProperty(propertyName);
-				if (prop != null)
-				{
-					return prop.GetValue(item)?.ToString() ?? string.Empty;
-				}
-				return match.Value; // Возвращаем то, что нашли, если свойства нет
-			});
-		}
+			PropertyInfo[] properties = item.GetType().GetProperties();
 
-		// Публичный параметризованный метод для получения объекта из выбранной строки
-		public T GetSelectedItem<T>()
-		{
-			if (listBox.SelectedIndex != -1)
+			foreach (var prop in properties)
 			{
-				return (T)items[listBox.SelectedIndex];
+				string propertyValue = prop.GetValue(item)?.ToString().Replace(',', '.') ?? string.Empty;
+				text = text.Replace("{" + prop.Name + "}", propertyValue);
+			}
+
+			return text;
+
+		}
+		// Публичный параметризованный метод для получения объекта из выбранной строки
+		public T? GetSelectedItem<T>() where T : new()
+		{
+			var item = listBox.SelectedItem;
+			if (item != null)
+			{
+				// Получаем строковое значение
+				string? selectedString = item?.ToString();
+				
+				if (selectedString != null) { 
+					T obj = new T();
+
+					MatchCollection matches = Regex.Matches(selectedString, @"\d+(\,\d+)?");
+
+					PropertyInfo[] properties = typeof(T).GetProperties();
+
+					for (int i = 0; i < properties.Length && i < matches.Count; i++)
+					{
+						object value = Convert.ChangeType(matches[i].Value.Replace(",", "."), properties[i].PropertyType);
+						properties[i].SetValue(obj, value);
+					}
+					return obj;
+				}
 			}
 			return default;
 		}
diff --git a/ComponentsView/FormComponents.Designer.cs b/ComponentsView/FormComponents.Designer.cs
index f9b018d..884deab 100644
--- a/ComponentsView/FormComponents.Designer.cs
+++ b/ComponentsView/FormComponents.Designer.cs
@@ -34,6 +34,7 @@
 			emailComponent = new ComponentsLibrary.Email();
 			buttonCheckEmail = new Button();
 			listBoxValues = new ComponentsLibrary.ListBoxValues();
+			buttonGetListSelectedItem = new Button();
 			SuspendLayout();
 			// 
 			// imageLoad
@@ -84,13 +85,24 @@
 			listBoxValues.SelectedIndex = -1;
 			listBoxValues.Size = new Size(516, 224);
 			listBoxValues.TabIndex = 4;
+			listBoxValues.GetObject += listBoxValues_GetObject;
 			listBoxValues.Load += listBoxValues_Load;
 			// 
+			// buttonGetListSelectedItem
+			// 
+			buttonGetListSelectedItem.Location = new Point(12, 341);
+			buttonGetListSelectedItem.Name = "buttonGetListSelectedItem";
+			buttonGetListSelectedItem.Size = new Size(133, 23);
+			buttonGetListSelectedItem.TabIndex = 5;
+			buttonGetListSelectedItem.Text = "Получить объект";
+			buttonGetListSelectedItem.UseVisualStyleBackColor = true;
+			// 
 			// FormComponents
 			// 
 			AutoScaleDimensions = new SizeF(7F, 15F);
 			AutoScaleMode = AutoScaleMode.Font;
-			ClientSize = new Size(549, 345);
+			ClientSize = new Size(551, 376);
+			Controls.Add(buttonGetListSelectedItem);
 			Controls.Add(listBoxValues);
 			Controls.Add(buttonCheckEmail);
 			Controls.Add(emailComponent);
@@ -109,5 +121,6 @@
 		private ComponentsLibrary.Email emailComponent;
 		private Button buttonCheckEmail;
 		private ComponentsLibrary.ListBoxValues listBoxValues;
+		private Button buttonGetListSelectedItem;
 	}
 }
diff --git a/ComponentsView/FormComponents.cs b/ComponentsView/FormComponents.cs
index f979b86..4102bd4 100644
--- a/ComponentsView/FormComponents.cs
+++ b/ComponentsView/FormComponents.cs
@@ -71,5 +71,18 @@ namespace ComponentsLab
 			};
 			listBoxValues.FillListBox(objectList);
 		}
+		private void listBoxValues_GetObject(object sender, EventArgs e)
+		{
+
+			try
+			{
+				var selectedItem = listBoxValues.GetSelectedItem<ObjectClass>();
+				MessageBox.Show($"������ ������: {selectedItem}");
+			}
+			catch (EmailException ex)
+			{
+				MessageBox.Show(ex.Message, $"������ ��� ���������� ������� �������", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
+		}
 	}
 }