417 lines
13 KiB
C#
417 lines
13 KiB
C#
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using System.Collections.ObjectModel;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Media;
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using FluentValidation;
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using PCL.Core.App.Localization;
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namespace PCL;
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public class MyTextBox : TextBox
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{
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public delegate void ValidateChangedEventHandler(object sender, EventArgs e);
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public static readonly DependencyProperty CornerRadiusProperty = DependencyProperty.Register("CornerRadius",
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typeof(CornerRadius), typeof(MyTextBox), new PropertyMetadata(new CornerRadius(3d)));
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public static readonly DependencyProperty ValidateResultProperty = DependencyProperty.Register("ValidateResult",
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typeof(string), typeof(MyTextBox),
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new PropertyMetadata("",
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(d, e) => d.SetValue(IsValidatedPropertyKey,
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string.IsNullOrEmpty((string)e.NewValue))));
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private static readonly DependencyPropertyKey IsValidatedPropertyKey =
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DependencyProperty.RegisterReadOnly("IsValidated", typeof(bool), typeof(MyTextBox), new PropertyMetadata(true));
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public static readonly DependencyProperty IsValidatedProperty = IsValidatedPropertyKey.DependencyProperty;
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public static readonly DependencyProperty HintTextProperty = DependencyProperty.Register("HintText", typeof(string),
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typeof(MyTextBox), new PropertyMetadata("", (t, e) =>
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{
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var textBox = (MyTextBox)t;
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textBox.UpdateHintText();
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}));
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// 额外控件初始化
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public List<RoutedEventHandler> changedEventList = new();
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// 提示文本
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/// <summary>
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/// 是否已经由用户输入过文本，若尚未输入过，则不显示输入检查的失败。
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/// </summary>
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private bool isTextChanged;
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private ValidateState shownValidateResult = ValidateState.NotInited;
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// 事件
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public int Uuid = ModBase.GetUuid();
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public MyTextBox()
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{
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Loaded += (_, _) => Validate();
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TextChanged += (a, b) => MyTextBox_TextChanged((MyTextBox)a, b);
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IsEnabledChanged += (_, _) => RefreshColor();
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MouseEnter += (_, _) => RefreshColor();
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MouseLeave += (_, _) => RefreshColor();
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GotFocus += (_, _) => RefreshColor();
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LostFocus += (_, _) => RefreshColor();
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IsEnabledChanged += (_, _) => RefreshTextColor();
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}
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// 自定义属性
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public bool HasBackground { get; set; } = true;
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public bool ShowValidateResult { get; set; } = true;
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public CornerRadius CornerRadius
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{
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get => (CornerRadius)GetValue(CornerRadiusProperty);
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set => SetValue(CornerRadiusProperty, value);
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}
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private TextBlock labWrong
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{
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get
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{
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if (Template is null) return null;
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if (field is null) field = (TextBlock)Template.FindName("labWrong", this);
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return field;
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}
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}
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private TextBlock labHint
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{
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get
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{
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if (Template is null) return null;
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if (field is null) field = (TextBlock)Template.FindName("labHint", this);
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return field;
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}
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}
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// 输入验证
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/// <summary>
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/// 输入验证结果。若为空字符串则无错误，否则为第一个错误原因。
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/// </summary>
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public string ValidateResult
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{
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get => (string)GetValue(ValidateResultProperty);
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set => SetValue(ValidateResultProperty, value);
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}
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/// <summary>
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/// 是否通过了输入验证。
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/// </summary>
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public bool IsValidated => (bool)GetValue(IsValidatedProperty);
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/// <summary>
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/// 输入验证的规则。
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/// </summary>
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public Collection<IValidator<string>> ValidateRules
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{
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get => field;
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set
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{
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field = value;
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Validate();
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}
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} = new();
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public string HintText
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{
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get => (string)GetValue(HintTextProperty);
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set => SetValue(HintTextProperty, value);
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}
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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if (string.IsNullOrEmpty(HintText) || !string.IsNullOrEmpty(labHint.Text))
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return;
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UpdateHintText();
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}
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public event ValidateChangedEventHandler? ValidateChanged;
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public event RoutedEventHandler ValidatedTextChanged
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{
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add => changedEventList.Add(value);
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remove => changedEventList.Remove(value);
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}
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private void OnValidatedTextChanged(object sender, TextChangedEventArgs e)
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{
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foreach (var handler in changedEventList)
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if (handler is not null)
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handler.Invoke(sender, e);
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}
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/// <summary>
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/// 进行输入验证。
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/// </summary>
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public void Validate()
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{
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var stringResult = GetValidateResult();
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ValidateResult = stringResult;
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// 根据结果改变样式
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if (shownValidateResult != (IsValidated ? ValidateState.Success : ValidateState.FailedAndShowDetail))
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{
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if (IsLoaded && labWrong is not null)
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ChangeValidateResult(IsValidated, true);
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else
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ModBase.RunInNewThread(() =>
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{
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Thread.Sleep(30);
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ModBase.RunInUi(() => ChangeValidateResult(IsValidated, false));
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}, "DelayedValidate Change");
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}
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// 更新错误信息
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if (ShowValidateResult && !IsValidated)
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{
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if (IsLoaded && labWrong is not null)
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labWrong.Text = ValidateResult;
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else
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ModBase.RunInNewThread(() =>
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{
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var isFinished = false;
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while (!isFinished)
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{
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Thread.Sleep(20);
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ModBase.RunInUiWait(() =>
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{
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if (labWrong is not null)
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{
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labWrong.Text = ValidateResult;
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isFinished = true;
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}
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if (!IsLoaded)
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isFinished = true;
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});
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}
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}, "DelayedValidate Text");
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}
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}
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/// <summary>
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/// 强制显示结果为正常，类似尚未输入过文本的状态。不影响实际的检查结果。
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/// </summary>
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public void ForceShowAsSuccess()
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{
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isTextChanged = false;
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ChangeValidateResult(IsValidated, true);
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}
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private void ChangeValidateResult(bool isSuccessful, bool isLoaded)
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{
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if (isLoaded && ModAnimation.AniControlEnabled == 0 && labWrong is not null)
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{
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if (isSuccessful || !isTextChanged)
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{
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// 变为正确
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shownValidateResult = isSuccessful ? ValidateState.Success : ValidateState.FailedButTextNotChanged;
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ModAnimation.AniStart(
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new[]
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{
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ModAnimation.AaOpacity(labWrong, -labWrong.Opacity, 150),
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ModAnimation.AaHeight(labWrong, -labWrong.Height, 150,
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ease: new ModAnimation.AniEaseOutFluent()),
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ModAnimation.AaCode(() => labWrong.Visibility = Visibility.Collapsed, after: true)
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}, "MyTextBox Validate " + Uuid);
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}
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else if (ShowValidateResult)
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{
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// 变为错误
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shownValidateResult = ValidateState.FailedAndShowDetail;
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labWrong.Visibility = Visibility.Visible;
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ModAnimation.AniStart(
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new[]
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{
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ModAnimation.AaOpacity(labWrong, 1d - labWrong.Opacity, 150),
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ModAnimation.AaHeight(labWrong, 21d - labWrong.Height, 150,
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ease: new ModAnimation.AniEaseOutFluent())
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}, "MyTextBox Validate " + Uuid);
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}
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else
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{
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// 变为错误，但不显示文本
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shownValidateResult = ValidateState.FailedAndHideDetail;
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}
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}
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else
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{
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shownValidateResult = ValidateState.NotLoaded;
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}
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RefreshColor();
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ValidateChanged?.Invoke(this, new EventArgs());
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}
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private void MyTextBox_TextChanged(MyTextBox sender, TextChangedEventArgs e)
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{
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try
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{
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UpdateHintText();
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// 改变输入记录
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isTextChanged = IsLoaded;
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// 进行输入验证
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Validate();
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if (!IsValidated)
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return;
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// 改变文本
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OnValidatedTextChanged(sender, e);
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}
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catch (Exception ex)
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{
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ModBase.Log(
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ex,
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"进行输入验证时出错",
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ModBase.LogLevel.Critical,
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userSummary: Lang.Text("Application.Control.Error.OperationFailed"));
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}
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}
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private void UpdateHintText()
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{
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if (labHint is null)
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return;
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labHint.Text = string.IsNullOrEmpty(Text) ? HintText : "";
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}
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private string GetValidateResult()
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{
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var stringResult = string.Empty;
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// 执行输入验证
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foreach (var rule in ValidateRules)
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{
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var result = rule.Validate(Text);
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stringResult = result.IsValid ? "" : result.Errors[0].ErrorMessage;
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}
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return stringResult;
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}
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// 颜色
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private void RefreshColor()
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{
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try
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{
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// 不对 ComboBox 从属进行动画
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if (TemplatedParent is not null && TemplatedParent is MyComboBox)
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return;
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// 判断当前颜色
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string foreColorName;
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string backColorName;
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int animationTime;
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if (IsEnabled)
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{
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if (IsValidated || !isTextChanged)
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{
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if (IsFocused)
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{
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foreColorName = "ColorBrush3";
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backColorName = "ColorBrush7";
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animationTime = 10;
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}
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else if (IsMouseOver)
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{
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foreColorName = "ColorBrush4";
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backColorName = "ColorBrush7";
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animationTime = 100;
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}
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else // 未选中
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{
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foreColorName = "ColorBrushBg0";
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backColorName = "ColorBrushHalfWhite";
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animationTime = 100;
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}
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}
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else
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{
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foreColorName = "ColorBrushRedLight";
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backColorName = "ColorBrushRedBack";
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animationTime = 200;
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}
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}
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else
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{
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foreColorName = "ColorBrushGray5";
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backColorName = "ColorBrushGray6";
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animationTime = 200;
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}
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if (!HasBackground)
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backColorName = "ColorBrushTransparent";
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// 触发颜色动画
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if (IsLoaded && ModAnimation.AniControlEnabled == 0) // 防止默认属性变更触发动画
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{
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// 有动画
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ModAnimation.AniStart(
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new[]
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{
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ModAnimation.AaColor(this, BorderBrushProperty, foreColorName, animationTime),
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ModAnimation.AaColor(this, BackgroundProperty, backColorName, animationTime)
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}, "MyTextBox Color " + Uuid);
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}
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else
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{
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// 无动画
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ModAnimation.AniStop("MyTextBox Color " + Uuid);
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SetResourceReference(BorderBrushProperty, foreColorName);
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SetResourceReference(BackgroundProperty, backColorName);
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}
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, "文本框颜色改变出错");
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}
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}
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private void RefreshTextColor()
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{
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var newColor = IsEnabled ? ThemeManager.colorGray1 : ThemeManager.colorGray4;
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if (((SolidColorBrush)Foreground).Color.R == newColor.r)
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return;
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if (IsLoaded && ModAnimation.AniControlEnabled == 0 && !string.IsNullOrEmpty(Text))
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{
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// 有动画
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ModAnimation.AniStart(
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new[]
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{
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ModAnimation.AaColor(this, ForegroundProperty, IsEnabled ? "ColorBrushGray1" : "ColorBrushGray4",
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200)
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}, "MyTextBox TextColor " + Uuid);
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}
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else
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{
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// 无动画
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ModAnimation.AniStop("MyTextBox TextColor " + Uuid);
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Foreground = newColor;
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}
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}
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|
|
|
||
|
|
// 在按下回车时触发自定义事件
|
||
|
|
private void MyTextBox_KeyUp(object sender, KeyEventArgs e)
|
||
|
|
{
|
||
|
|
if (e.Key == Key.Enter) ModMain.RaiseCustomEvent(this);
|
||
|
|
}
|
||
|
|
private enum ValidateState
|
||
|
|
{
|
||
|
|
NotInited,
|
||
|
|
Success,
|
||
|
|
FailedButTextNotChanged,
|
||
|
|
FailedAndShowDetail,
|
||
|
|
FailedAndHideDetail,
|
||
|
|
NotLoaded
|
||
|
|
}
|
||
|
|
}
|