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@ -2,12 +2,192 @@
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using Connected.Utilities;
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using Microsoft.AspNetCore.Components;
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using Microsoft.AspNetCore.Components.Web;
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using System.Numerics;
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using System.Text.RegularExpressions;
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using System.Timers;
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namespace Connected.Components;
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public partial class Input<T> : InputBase<T>
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{
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protected string Classname => InputCssHelper.GetClassname(this,
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/*
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* Debounce
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*
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*/
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/// <summary>
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/// The current character counter, displayed below the text field.
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/// </summary>
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[Parameter] public string CounterText { get; set; }
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private System.Timers.Timer _timer;
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private double _debounceInterval;
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/// <summary>
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/// Interval to be awaited in MILLISECONDS before changing the Text value
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/// </summary>
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[Parameter]
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public double TextChangeDelay
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{
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get => _debounceInterval;
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set
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{
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if (NumericConverter<double>.AreEqual(_debounceInterval, value))
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return;
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_debounceInterval = value;
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if (_debounceInterval == 0)
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{
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// not debounced, dispose timer if any
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ClearTimer(suppressTick: false);
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return;
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}
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SetTimer();
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}
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}
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/// <summary>
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/// callback to be called when the debounce interval has elapsed
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/// receives the Text as a parameter
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/// </summary>
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[Parameter] public EventCallback<string> OnDebounceIntervalElapsed { get; set; }
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protected Task OnDebounceChange()
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{
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if (TextChangeDelay > 0 && _timer != null)
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{
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_timer.Stop();
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return base.UpdateValuePropertyAsync(false);
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}
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return Task.CompletedTask;
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}
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protected override Task UpdateValuePropertyAsync(bool updateText)
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{
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// This method is called when Value property needs to be refreshed from the current Text property, so typically because Text property has changed.
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// We want to debounce only text-input, not a value being set, so the debouncing is only done when updateText==false (because that indicates the
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// change came from a Text setter)
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if (updateText)
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{
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// we have a change coming not from the Text setter, no debouncing is needed
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return base.UpdateValuePropertyAsync(updateText);
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}
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// if debounce interval is 0 we update immediately
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if (TextChangeDelay <= 0 || _timer == null)
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return base.UpdateValuePropertyAsync(updateText);
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// If a debounce interval is defined, we want to delay the update of Value property.
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_timer.Stop();
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// restart the timer while user is typing
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_timer.Start();
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return Task.CompletedTask;
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}
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protected override void OnParametersSet()
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{
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base.OnParametersSet();
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// if input is to be debounced, makes sense to bind the change of the text to oninput
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// so we set Immediate to true
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if (TextChangeDelay > 0)
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Immediate = true;
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}
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private void SetTimer()
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{
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if (_timer == null)
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{
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_timer = new System.Timers.Timer();
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_timer.Elapsed += OnTimerTick;
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_timer.AutoReset = false;
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}
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_timer.Interval = TextChangeDelay;
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}
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private void OnTimerTick(object sender, ElapsedEventArgs e)
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{
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InvokeAsync(OnTimerTickGuiThread).AndForget();
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}
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private async Task OnTimerTickGuiThread()
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{
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await base.UpdateValuePropertyAsync(false);
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await OnDebounceIntervalElapsed.InvokeAsync(Text);
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}
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private void ClearTimer(bool suppressTick = false)
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{
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if (_timer == null)
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return;
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var wasEnabled = _timer.Enabled;
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_timer.Stop();
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_timer.Elapsed -= OnTimerTick;
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_timer.Dispose();
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_timer = null;
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if (wasEnabled && !suppressTick)
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OnTimerTickGuiThread().AndForget();
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}
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/*
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* Debounce end
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*/
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protected CssBuilder CompiledHelperContainerClassList
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{
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get
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{
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return new CssBuilder("input-control-helper-container")
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.AddClass($"px-1", Variant == Variant.Filled)
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.AddClass($"px-2", Variant == Variant.Outlined)
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.AddClass($"px-1", Variant == Variant.Text)
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.AddClass(HelperContainerClassList);
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}
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}
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/// <summary>
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/// A space separated list of class names, added on top of the default helper container class list.
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/// </summary>
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[Parameter]
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public string? HelperContainerClassList { get; set; }
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protected CssBuilder CompiledHelperClassList
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{
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get
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{
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return new CssBuilder("input-helper-text")
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.AddClass("input-helper-onfocus", HelperTextOnFocus)
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.AddClass(HelperClassList);
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}
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}
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/// <summary>
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/// A space separated list of class names, added on top of the default helper class list.
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/// </summary>
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[Parameter]
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public string? HelperClassList { get; set; }
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/*protected string HelperContainer =>
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new CssBuilder("input-control-helper-container")
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.AddClass($"px-1", Variant == Variant.Filled)
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.AddClass($"px-2", Variant == Variant.Outlined)
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.Build();
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protected string HelperClass =>
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new CssBuilder("input-helper-text")
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.AddClass("input-helper-onfocus", HelperTextOnFocus)
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.Build();*/
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private string GetCounterText()
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{
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string result = Text.Length.ToString();
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if (string.IsNullOrEmpty(Text)) result = "0";
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return result;
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}
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protected string Classname => InputCssHelper.GetClassname(this,
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() => HasNativeHtmlPlaceholder() || !string.IsNullOrEmpty(Text) || Adornment == Adornment.Start || !string.IsNullOrWhiteSpace(Placeholder));
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protected string InputClassname => InputCssHelper.GetInputClassname(this);
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@ -31,23 +211,89 @@ public partial class Input<T> : InputBase<T>
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protected string InputTypeString => InputType.ToDescription();
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protected Task OnInput(ChangeEventArgs args)
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/*
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private bool IsDecimalNumber(string type)
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{
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switch (type.ToLower())
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{
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case "double":
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case "float":
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return true;
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default:
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return false;
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}
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}
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private bool IsNumber(string s)
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{
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bool result = false;
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try
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{
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double d;
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result= double.TryParse(s, out d);
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} catch
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{
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result = false;
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}
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return result;
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}
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private string ValidateInput(string value)
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{
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string result = value;
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if (value is not null)
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{
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var expectedType = typeof(T).Name;
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if (IsNumericType(expectedType))
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{
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if (IsNumber(value.ToString()))
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{
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result = value.ToString();
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}
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else
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{
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if (IsDecimalNumber(value.ToString()))
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result = Regex.Replace(value.ToString(), "[^0-9.]", "");
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else result = Regex.Replace(value.ToString(), "[^0-9]", "");
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}
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}
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else
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{
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result = value;
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}
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}
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return result;
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}*/
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protected Task OnInput(ChangeEventArgs args)
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{
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if (!Immediate)
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return Task.CompletedTask;
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_isFocused = true;
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return SetTextAsync(args?.Value as string);
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}
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return SetTextAsync(args?.Value as string);
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}
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protected async Task OnChange(ChangeEventArgs args)
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{
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_internalText = args?.Value as string;
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await OnInternalInputChanged.InvokeAsync(args);
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if (!Immediate)
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{
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await SetTextAsync(args?.Value as string);
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}
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}
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if (TextChangeDelay > 0 && _timer != null)
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{
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_timer.Stop();
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await UpdateValuePropertyAsync(false);
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}
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else
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{
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_internalText = args?.Value as string;
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await OnInternalInputChanged.InvokeAsync(args);
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if (!Immediate)
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{
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await SetTextAsync(args?.Value as string);
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}
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}
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}
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/// <summary>
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/// Paste hook for descendants.
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@ -164,12 +410,12 @@ public partial class Input<T> : InputBase<T>
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UpdateClearable(Text);
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}
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protected override async Task UpdateValuePropertyAsync(bool updateText)
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/*protected override async Task UpdateValuePropertyAsync(bool updateText)
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{
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await base.UpdateValuePropertyAsync(updateText);
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if (Clearable)
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UpdateClearable(Value);
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}
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}*/
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protected virtual async Task ClearButtonClickHandlerAsync(MouseEventArgs e)
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{
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@ -197,14 +443,41 @@ public partial class Input<T> : InputBase<T>
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// in WASM (or in BSS with TextUpdateSuppression==false) we always update
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_internalText = Text;
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}
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string baseTypeName = typeof(T).Name;
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if (IsNumericType(baseTypeName))
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{
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InputType = InputType.Number;
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}
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}
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/// <summary>
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/// Sets the input text from outside programmatically
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/// </summary>
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/// <param name="text"></param>
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/// <returns></returns>
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public Task SetText(string text)
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private bool IsNumericType(string type)
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{
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switch (type.ToLower())
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{
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case "uint16":
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case "uint32":
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case "uint64":
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case "int16":
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case "int32":
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case "int64":
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case "int":
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case "double":
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case "decimal":
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case "float":
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return true;
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default:
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return false;
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}
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}
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/// <summary>
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/// Sets the input text from outside programmatically
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/// </summary>
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/// <param name="text"></param>
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/// <returns></returns>
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public Task SetText(string text)
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{
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_internalText = text;
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return SetTextAsync(text);
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stm
2 years ago