lab1 - modifed

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

View File

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

View File

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

View File

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