99 lines
3.0 KiB
C#
99 lines
3.0 KiB
C#
using System.Text;
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namespace CustomComponents
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{
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public partial class ListBoxObjects : UserControl
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{
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private string layoutString;
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private string startSymbol;
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private string endSymbol;
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public ListBoxObjects()
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{
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InitializeComponent();
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}
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public void SetLayoutInfo(string layout, string startS, string endS)
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{
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if (layout == null || startS == null || endS == null)
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{
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return;
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}
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layoutString = layout;
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startSymbol = startS;
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endSymbol = endS;
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}
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public int SelectedIndex
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{
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get {
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if (listBox.SelectedIndex == -1)
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{
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return -1;
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}
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return listBox.SelectedIndex;
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}
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set {
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if (listBox.SelectedItems.Count != 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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public T GetObjectFromStr<T>() where T : class, new()
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{
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string selStr = "";
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if (listBox.SelectedIndex != -1)
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{
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selStr = listBox.SelectedItem.ToString()!;
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}
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T curObject = new T();
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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 = selStr.IndexOf(startSymbol);
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StringBuilder sb = new StringBuilder(selStr);
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sb[borderOne] = 'z';
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selStr = sb.ToString();
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int borderTwo = selStr.IndexOf(endSymbol);
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if (borderOne == -1 || borderTwo == -1) break;
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string propertyValue = selStr.Substring(borderOne + 1, borderTwo - borderOne - 1);
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selStr = selStr.Substring(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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public void AddInListBox<T>(T entity)
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{
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if (layoutString == null || startSymbol == null || endSymbol == null)
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{
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throw new Exception("Заполните макетную строку");
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}
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if (!layoutString.Contains(startSymbol) || !layoutString.Contains(endSymbol))
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{
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throw new Exception("Макетная строка не содержит нужные элементы");
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}
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string str = layoutString;
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foreach (var prop in entity.GetType().GetProperties())
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{
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string str1 = $"{startSymbol}" + $"{prop.Name}" + $"{endSymbol}";
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str = str.Replace(str1, $"{startSymbol}" + prop.GetValue(entity).ToString() + $"{endSymbol}");
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}
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listBox.Items.Add(str);
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}
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}
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}
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