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lab1 - modifed

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This commit is contained in:
DyCTaTOR 2024-10-14 20:12:04 +04:00
parent 7bdd5ea8fb
commit ff464aea76
3 changed files with 64 additions and 45 deletions
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1
WinFormsLibrary1/WinFormsApp1/Form1.Designer.cs generated
View File

@ -41,7 +41,6 @@ namespace WinFormsApp1
//
// dateInputControl1
//
dateInputControl1.Date = "";
dateInputControl1.Location = new Point(13, 107);
dateInputControl1.Margin = new Padding(4, 5, 4, 5);
dateInputControl1.Name = "dateInputControl1";

2
WinFormsLibrary1/WinFormsLibrary1/ListBox.Designer.cs generated
View File

@ -25,7 +25,7 @@
this.listBox.Name = "listBox";
this.listBox.Size = new System.Drawing.Size(120, 95);
this.listBox.TabIndex = 0;
this.listBox.SelectedIndexChanged += new System.EventHandler(this.listBox_SelectedIndexChanged);
//this.listBox.SelectedIndexChanged += new System.EventHandler(this.listBox_SelectedIndexChanged);
//
// ListBoxUserControl
//

106
WinFormsLibrary1/WinFormsLibrary1/ListBox.cs
View File

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
@ -10,9 +11,9 @@ namespace WinFormsLibrary1
{
private string? _template;
private string _startSymbol;
private char? _startSymbol;
private string _endSymbol;
private char? _endSymbol;
public int SelectedIndex
{
get
@ -28,7 +29,7 @@ namespace WinFormsLibrary1
{
InitializeComponent();
}
public void SetParams(string template, string fromChar, string toChar)
public void SetParams(string template, char? fromChar, char? toChar)
{
_template = template;
_startSymbol = fromChar;
@ -37,62 +38,81 @@ namespace WinFormsLibrary1
public T? GetObject<T>() where T : class, new()
{
if (listBox.SelectedIndex == -1)
if (listBox.SelectedIndex == -1 || string.IsNullOrEmpty(_template) || !_startSymbol.HasValue || !_endSymbol.HasValue)
throw new ArgumentException("Не хватает данных");
var type = typeof(T);
var fields = type.GetFields();
var properties = type.GetProperties();
var members = fields.Cast<MemberInfo>().Concat(properties.Cast<MemberInfo>()).ToArray();
var curObject = new T();
string text = listBox.SelectedItem?.ToString() ?? "";
var words = System.Text.RegularExpressions.Regex.Split(_template, $@"\{_startSymbol.Value}.*?\{_endSymbol.Value}");
int firstWordStart = text.IndexOf(words[0], 0);
if (firstWordStart == -1)
throw new Exception("Не найден элемент шаблона");
if (firstWordStart != 0)
{
return null;
string beginning = text[..firstWordStart];
FillMember(_template.Substring(1, firstWordStart - 2), curObject, beginning, members);
}
string selectedString = listBox.SelectedItem.ToString()!;
T obj = new T();
int start = 0;
string pattern = $@"{Regex.Escape(_startSymbol)}(.*?){Regex.Escape(_endSymbol)}";
MatchCollection matches = Regex.Matches(_template, pattern);
string[] words = selectedString.Split(' ');
int wordIndex = 0;
foreach (Match match in matches)
for (int i = 0; i < words.Length - 1; i++)
{
string propertyName = match.Groups[1].Value;
var property = obj.GetType().GetProperty(propertyName);
if (property != null && property.CanWrite)
{
if (wordIndex < words.Length)
{
string propertyValue = words[wordIndex];
property.SetValue(obj, Convert.ChangeType(propertyValue, property.PropertyType));
wordIndex++;
}
}
start = text.IndexOf(words[i], start);
if (start == -1)
throw new Exception("Не найден элемент шаблона");
start += words[i].Length;
int nextWordIndex = text.IndexOf(words[i + 1], start);
if (nextWordIndex == -1)
throw new Exception("Не найден следующий элемент шаблона");
string valueBetween = text[start..nextWordIndex];
string layoutPart = _template.Substring(_template.IndexOf(words[i]) + words[i].Length);
int startCharIndex = layoutPart.IndexOf(_startSymbol.Value);
int endCharIndex = layoutPart.IndexOf(_endSymbol.Value);
string memberName = layoutPart.Substring(startCharIndex + 1, endCharIndex - startCharIndex - 1);
FillMember(memberName, curObject, valueBetween, members);
start = nextWordIndex;
}
return obj;
return (T?)curObject;
}
public void AddObject<T>(T obj)
private void SetMemberValue(object obj, MemberInfo member, object value)
{
if (obj == null)
if (member is PropertyInfo property)
{
throw new ArgumentNullException("Добавляемый объект не существует!");
property.SetValue(obj, value);
}
if (string.IsNullOrEmpty(_template) || string.IsNullOrEmpty(_startSymbol) || string.IsNullOrEmpty(_endSymbol))
else if (member is FieldInfo field)
{
throw new Exception("Заполните макетную строку!");
}
if (!_template.Contains(_startSymbol) || !_template.Contains(_endSymbol))
{
throw new Exception("Макетная строка не содержит нужные элементы!");
field.SetValue(obj, value);
}
}
string processedString = _template;
foreach (var property in obj.GetType().GetProperties())
{
string placeholder = $"{_startSymbol}{property.Name}{_endSymbol}";
processedString = processedString.Replace(placeholder, $"{_startSymbol}{property.GetValue(obj)}{_endSymbol}");
}
private void FillMember(string memberName, object curObject, string value, MemberInfo[]? members)
{
var member = members?.FirstOrDefault(x => x.Name == memberName)
?? throw new Exception("Ошибка с поиском элемента");
object convertedValue = Convert.ChangeType(value, GetMemberType(member));
listBox.Items.Add(processedString);
SetMemberValue(curObject, member, convertedValue);
}
private Type GetMemberType(MemberInfo member)
{
return member is PropertyInfo property ? property.PropertyType : ((FieldInfo)member).FieldType;
}
}
}