QI Mingxuan
93 lines
3.5 KiB
C#
93 lines
3.5 KiB
C#
using System;
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using System.Windows;
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using XP.Common.GeneralForm.ViewModels;
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using XP.Common.Localization;
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namespace XP.Common.GeneralForm.Views
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{
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/// <summary>
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/// 通用输入对话框，支持单行文本输入和可选的输入验证
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/// General input dialog with single-line text input and optional validation
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/// </summary>
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public partial class InputDialog : Window
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{
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private readonly InputDialogViewModel _viewModel;
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/// <summary>
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/// 用户输入的结果，取消时为 null | User input result, null if cancelled
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/// </summary>
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public string? Result { get; private set; }
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/// <summary>
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/// 构造函数 | Constructor
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/// </summary>
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/// <param name="prompt">提示文本 | Prompt text</param>
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/// <param name="title">窗口标题 | Window title</param>
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/// <param name="defaultValue">默认值 | Default value</param>
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/// <param name="validate">可选的验证委托，返回 null 表示通过，返回错误信息则阻止确认 | Optional validation delegate</param>
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public InputDialog(
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string prompt,
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string title,
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string defaultValue = "",
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Func<string, string?>? validate = null)
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{
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_viewModel = new InputDialogViewModel(prompt, title, defaultValue, validate);
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DataContext = _viewModel;
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InitializeComponent();
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// 继承调用方窗口图标 | Inherit caller window icon
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if (Application.Current?.MainWindow != null)
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{
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Icon = Application.Current.MainWindow.Icon;
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}
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}
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/// <summary>
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/// 确定按钮点击事件 | OK button click handler
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/// </summary>
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private void OnOkClick(object sender, RoutedEventArgs e)
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{
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// 执行验证 | Run validation
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if (!_viewModel.Validate())
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return;
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Result = _viewModel.InputText;
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DialogResult = true;
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}
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/// <summary>
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/// 取消按钮点击事件 | Cancel button click handler
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/// </summary>
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private void OnCancelClick(object sender, RoutedEventArgs e)
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{
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Result = null;
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DialogResult = false;
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}
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/// <summary>
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/// 静态便捷方法，显示输入对话框并返回结果 | Static convenience method
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/// </summary>
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/// <param name="prompt">提示文本 | Prompt text</param>
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/// <param name="title">窗口标题 | Window title</param>
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/// <param name="defaultValue">默认值 | Default value</param>
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/// <param name="validate">可选的验证委托 | Optional validation delegate</param>
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/// <param name="owner">父窗口（可选）| Owner window (optional)</param>
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/// <returns>用户输入的值，取消时返回 null | User input, null if cancelled</returns>
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public static string? Show(
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string prompt,
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string title,
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string defaultValue = "",
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Func<string, string?>? validate = null,
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Window? owner = null)
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{
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var dialog = new InputDialog(prompt, title, defaultValue, validate);
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// owner 未指定时自动回退到主窗口，确保对话框有父窗口约束不会被遮挡
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// Fall back to MainWindow if owner not specified, ensuring dialog stays in front
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dialog.Owner = owner ?? Application.Current?.MainWindow;
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dialog.ShowDialog();
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return dialog.Result;
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}
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}
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}
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