128 lines
3.6 KiB
C#
128 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Components
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{
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public partial class CustomListBox : UserControl
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{
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public CustomListBox()
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{
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InitializeComponent();
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}
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/// <summary>
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/// Макет
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/// </summary>
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private string _templateString;
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/// <summary>
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/// Символ начала
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/// </summary>
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private string _startSymbol;
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/// <summary>
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/// Символ конца
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/// </summary>
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private string _endSymbol;
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/// <summary>
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/// Шаблон строки
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/// </summary>
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public void SetTemplateString(string templateString, string startSymbol, string endSymbol)
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{
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if (templateString != "" && startSymbol != "" && endSymbol != "")
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{
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_templateString = templateString;
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_startSymbol = startSymbol;
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_endSymbol = endSymbol;
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}
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else
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{
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throw new ArgumentNullException("Вы не ввели все значения");
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}
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}
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/// <summary>
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/// Выбранная строка
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/// </summary>
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public int SelectedIndex
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{
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get { return listBox.SelectedIndex; }
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set
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{
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if (listBox.SelectedIndex != 0)
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{
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listBox.SelectedIndex = value;
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}
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}
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}
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/// <summary>
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/// Получение обхекта
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/// </summary>
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public T GetObjectFromStr<T>() where T : class, new()
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{
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if (listBox.SelectedIndex == -1)
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{
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return null;
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}
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string row = listBox.SelectedItem.ToString();
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T curObject = new T();
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StringBuilder sb = new StringBuilder(row);
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foreach (var property in typeof(T).GetProperties())
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{
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if (!property.CanWrite)
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{
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continue;
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}
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int borderOne = sb.ToString().IndexOf(_startSymbol);
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if (borderOne == -1)
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{
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break;
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}
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int borderTwo = sb.ToString().IndexOf(_endSymbol, borderOne + 1);
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if (borderTwo == -1)
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{
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break;
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}
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string propertyValue = sb.ToString(borderOne + 1, borderTwo - borderOne - 1);
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sb.Remove(0, borderTwo + 1);
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property.SetValue(curObject, Convert.ChangeType(propertyValue, property.PropertyType));
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}
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return curObject;
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}
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/// <summary>
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/// Заполнение
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/// </summary>
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public void FillProperty<T>(T dataObject, int rowIndex, string propertyName)
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{
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while (listBox.Items.Count <= rowIndex)
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{
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listBox.Items.Add(_templateString);
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}
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string row = listBox.Items[rowIndex].ToString();
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PropertyInfo propertyInfo = dataObject.GetType().GetProperty(propertyName);
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if (propertyInfo != null)
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{
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object propertyValue = propertyInfo.GetValue(dataObject);
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row = row.Replace($"{_startSymbol}{propertyName}{_endSymbol}", propertyValue.ToString());
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listBox.Items[rowIndex] = row;
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}
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}
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}
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}
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