76 lines
1.9 KiB
C#
76 lines
1.9 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace MVVMSample.Model
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{
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internal class ViewModelMain : NotifierMain
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{
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private string _firstName;
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private string _lastName;
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private string _fullName;
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private string _birthday;
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private bool _isBirthdayError = false;
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public string FirstName
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{
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get { return _firstName; }
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set
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{
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_firstName = value;
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_fullName = $"{_lastName} {_firstName}";
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NotifyChanged("FirstName", "FullName");
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}
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}
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public string LastName
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{
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get { return _lastName; }
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set
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{
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_lastName = value;
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_fullName = $"{_lastName} {_firstName}";
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NotifyChanged("LastName", "FullName");
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}
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}
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public string FullName { get { return _fullName; } }
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public string Birthday
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{
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get { return _birthday; }
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set
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{
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if (Regex.IsMatch(value, "^[0-9]*$"))
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{
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_birthday = value;
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_isBirthdayError = false;
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}
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else
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{
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_birthday = value;
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_isBirthdayError = true;
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}
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NotifyChanged("Birthday", "BirthdayError", "BirthdayErrorMessage");
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}
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}
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public bool BirthdayError { get { return _isBirthdayError; } }
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public string BirthdayErrorMessage
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{
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get
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{
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if (!_isBirthdayError)
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return $"Birthday: {_birthday}";
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else
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return $"Please input the number value ({Birthday})";
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}
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}
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}
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}
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