.NET MAUI - CommunityToolkit.Maui 유용한 Behavior 3

SetFocusOnEntryCompletedBehavior

항목이 완료될 때 지정된 VisualElement에 포커스를 주는 Behavior

 

TextValidationBehavior

지정된 매개변수에 따라 지정된 텍스트의 유효성을 검사할 수 있도록 하는 Behavior

 

UriValidationBehavior

텍스트 입력이 유효한 URI인지 여부를 결정할 수 있도록 하는 Behavior

 

UserStoppedTypingBehavior

데이터 입력 항목을 중지할 때 사용자가 작업을 트리거할 수 있도록 하는 Behavior

 

 

BehaviorThird.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="MauiApp1.Behaviors.BehaviorThird"
             xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
             xmlns:local="clr-namespace:MauiApp1.Behaviors"
             x:DataType="local:BehaviorThirdViewModel"
             Title="BehaviorThirdPage">
    <ContentPage.BindingContext>
        <local:BehaviorThirdViewModel/>
    </ContentPage.BindingContext>
    <ContentPage.Resources>
        <Style x:Key="InvalidEntryStyle" TargetType="Entry">
            <Setter Property="TextColor" Value="Red" />
            <Setter Property="FontAttributes" Value="Italic" />
            <Setter Property="FontSize" Value="18"/>
        </Style>
        <Style x:Key="ValidEntryStyle" TargetType="Entry">
            <Setter Property="TextColor" Value="Green" />
            <Setter Property="FontAttributes" Value="Bold" />
            <Setter Property="FontSize" Value="18"/>
        </Style>
        <Style TargetType="Label">
            <Setter Property="TextColor" Value="Blue" />
            <Setter Property="FontAttributes" Value="Bold" />
            <Setter Property="FontSize" Value="24"/>
        </Style>
    </ContentPage.Resources>

    <VerticalStackLayout>
        <Label Text="SetFocusOnEntryCompletedBehavior" FontSize="20" TextColor="Black"/>

        <Entry
			x:Name="Entry1"
			toolkit:SetFocusOnEntryCompletedBehavior.NextElement="{x:Reference Entry2}"
			Placeholder="Entry 1 (Tap `Next` or `Enter` or `Return` when finished)"
			ReturnType="Next" />
        <Entry
			x:Name="Entry2"
			toolkit:SetFocusOnEntryCompletedBehavior.NextElement="{x:Reference Entry3}"
			Placeholder="Entry 2 (Tap `Next` or `Enter` or `Return` on the keyboard when finished)"
			ReturnType="Next" />
        <Entry
			x:Name="Entry3"
			toolkit:SetFocusOnEntryCompletedBehavior.NextElement="{x:Reference Entry4}"
			Placeholder="Entry 3 (Tap `Next` or `Enter` or `Return` on the keyboard when finished)"
			ReturnType="Next" />

        <Entry x:Name="Entry4" Placeholder="Entry 4 (no next entry this time)" />

        <Label Text="TextValidationBehavior" FontSize="20" TextColor="Black"/>
        <Entry Placeholder="Enter Text">
            <Entry.Behaviors>
                <toolkit:TextValidationBehavior 
                InvalidStyle="{StaticResource InvalidEntryStyle}"
                ValidStyle="{StaticResource ValidEntryStyle}"
                Flags="ValidateOnValueChanged"
                MinimumLength="1"
                MaximumLength="10" />
            </Entry.Behaviors>
        </Entry>

        <Label Margin="0,10" Text="UriValidationBehavior" FontSize="20" TextColor="Black"/>
        <Entry Placeholder="Enter Uri">
            <Entry.Behaviors>
                <toolkit:UriValidationBehavior 
                InvalidStyle="{StaticResource InvalidEntryStyle}"
                ValidStyle="{StaticResource ValidEntryStyle}"
                Flags="ValidateOnValueChanged"
                UriKind="RelativeOrAbsolute" />
            </Entry.Behaviors>
        </Entry>

        <Label Margin="0,10" Text="UserStoppedTypingBehavior" FontSize="20" TextColor="Black"/>
        <Entry Placeholder="Start typing when you stop the behavior will trigger...">
            <Entry.Behaviors>
                <toolkit:UserStoppedTypingBehavior 
                        Command="{Binding SearchCommand}"
                        StoppedTypingTimeThreshold="1000"
                        MinimumLengthThreshold="3"
                        ShouldDismissKeyboardAutomatically="True" />
            </Entry.Behaviors>
        </Entry>
        <Label Text="{Binding Message}" />
    </VerticalStackLayout>
</ContentPage>

BehaviorThird.xaml.cs

namespace MauiApp1.Behaviors;
public partial class BehaviorThird : ContentPage
{
	public BehaviorThird()
	{
		InitializeComponent();
	}
}

BehaviorThirdViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;

namespace MauiApp1.Behaviors;
public partial class BehaviorThirdViewModel : ObservableObject
{
    [ObservableProperty]
    private string _message;

    [RelayCommand]
    private void Search() => Message = $"{DateTime.Now} Search 결과입니다.";
}

 

관련영상

https://youtu.be/jnkf39UNUos