ShrlAlgoToolkit/NeuWPF/NeoUI/Controls/WindowStyle.xaml.cs

namespace NeoUI.Controls;

/// <summary>
/// NeoWindow 类继承自 WPF 的 Window 类，用于创建具有特定样式和功能的窗口。
/// 该类通过设置默认样式资源引用来自定义窗口外观，并提供属性来控制窗口的行为和内容布局。
/// </summary>
public class NeoWindow : Window
{
    private const string VbMinimizeButtonName = "minimizeButton";
    private const string VbMaximizeRestoreButtonName = "maximizeRestoreButton";

    /// <summary>
    /// 用于在XAML模板中标识关闭按钮的名称。
    /// 此常量字符串值为 "closeButton"，用于在窗口样式应用时通过GetTemplateChild方法查找对应的关闭按钮控件。
    /// </summary>
    private const string VbCloseButtonName = "closeButton";
    /// <summary>
    /// 
    /// </summary>
    public NeoWindow()
    {
        SetResourceReference(StyleProperty, typeof(NeoWindow)); //设置默认的样式资源引用
    }
    static NeoWindow()
    {
        DefaultStyleKeyProperty.OverrideMetadata(typeof(NeoWindow), new FrameworkPropertyMetadata(typeof(NeoWindow)));
    }
    /// <summary>
    /// 如果窗口不活动，请让窗口的内容淡出。
    /// 默认值为真（已启用）。
    /// </summary>
    public static readonly DependencyProperty FadeContentIfInactiveProperty = DependencyProperty.Register(
            nameof(FadeContentIfInactive), typeof(bool), typeof(NeoWindow), new FrameworkPropertyMetadata(true));

    /// <summary>
    /// 如果窗口不活动，请让窗口的内容淡出。
    /// 默认值为真（已启用）。
    /// </summary>
    public bool FadeContentIfInactive
    {
        get => (bool)GetValue(FadeContentIfInactiveProperty);

        set => SetValue(FadeContentIfInactiveProperty, value);
    }

    /// <summary>
    /// 标题栏左侧内容模板
    /// </summary>
    public object TitleBarLeftContent
    {
        get => (object)GetValue(TitleBarLeftContentProperty);
        set => SetValue(TitleBarLeftContentProperty, value);
    }

    /// <summary>
    /// 用于定义窗口左侧内容区域的数据模板。
    /// 此依赖属性允许开发者自定义左侧内容的布局和显示方式，通过设置不同的DataTemplate来改变该区域的内容呈现形式。
    /// </summary>
    public static readonly DependencyProperty TitleBarLeftContentProperty =
        DependencyProperty.Register(nameof(TitleBarLeftContent), typeof(object), typeof(NeoWindow));
    /// <summary>
    /// 标题栏右侧内容模板
    /// </summary>
    public object TitleBarRightContent
    {
        get => (object)GetValue(TitleBarRightContentProperty);
        set => SetValue(TitleBarRightContentProperty, value);
    }

    /// <summary>
    /// 用于定义窗口右侧内容区域的数据模板。
    /// 此依赖属性允许开发者自定义右侧内容的布局和显示方式，通过设置不同的DataTemplate来改变该区域的内容呈现形式。
    /// </summary>
    public static readonly DependencyProperty TitleBarRightContentProperty =
        DependencyProperty.Register(nameof(TitleBarRightContent), typeof(object), typeof(NeoWindow));
    private Button? minimizeButton;
    private Button? maximizeRestoreButton;
    private Button? closeButton;

    /// <inheritdoc />
    public override void OnApplyTemplate()
    {
        if (minimizeButton != null)
        {
            minimizeButton.Click -= MinimizeButtonClickHandler;
        }

        minimizeButton = GetTemplateChild(VbMinimizeButtonName) as Button;

        if (minimizeButton != null)
        {
            minimizeButton.Click += MinimizeButtonClickHandler;
        }

        if (maximizeRestoreButton != null)
        {
            maximizeRestoreButton.Click -= MaximizeRestoreButtonClickHandler;
        }

        maximizeRestoreButton = GetTemplateChild(VbMaximizeRestoreButtonName) as Button;

        if (maximizeRestoreButton != null)
        {
            maximizeRestoreButton.Click += MaximizeRestoreButtonClickHandler;
        }

        if (closeButton != null)
        {
            closeButton.Click -= CloseButtonClickHandler;
        }

        closeButton = GetTemplateChild(VbCloseButtonName) as Button;

        if (closeButton != null)
        {
            closeButton.Click += CloseButtonClickHandler;
        }

        base.OnApplyTemplate();
    }

    private void CloseButtonClickHandler(object sender, RoutedEventArgs args)
    {
        Close();
    }

    private void MaximizeRestoreButtonClickHandler(object sender, RoutedEventArgs args)
    {
        WindowState = (WindowState == WindowState.Normal) ? WindowState.Maximized : WindowState.Normal;
    }

    private void MinimizeButtonClickHandler(object sender, RoutedEventArgs args)
    {
        WindowState = WindowState.Minimized;
    }
}