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WPF自定义控件与样式(13)-自定义窗体Window & 自适应内容大小消息框MessageBox

2015-12-02 09:24 811 查看

一．前言

　　申明：WPF自定义控件与样式是一个系列文章，前后是有些关联的，但大多是按照由简到繁的顺序逐步发布的等，若有不明白的地方可以参考本系列前面的文章，文末附有部分文章链接。

　　本文主要内容：

自定义Window窗体样式；

基于自定义窗体实现自定义MessageBox消息提示框；

二．自定义Window窗体样式

　　自定义的Window窗体效果：

/// <summary>
/// MessageBoxXxaml.xaml 的交互逻辑
/// </summary>
public partial class MessageBoxX : WindowBase
{
/// <summary>
/// 结果，用户点击确定Result=true;
/// </summary>
public bool Result { get; private set; }

private static readonly Dictionary<string, Brush> _Brushes = new Dictionary<string, Brush>();

public MessageBoxX(EnumNotifyType type, string mes)
{
InitializeComponent();
this.txtMessage.Text = mes;
//type
btnCancel.Visibility = Visibility.Collapsed;
this.SetForeground(type);
switch (type)
{
case EnumNotifyType.Error:
this.ficon.Text = "\ue644";
break;
case EnumNotifyType.Warning:
this.ficon.Text = "\ue60b";
break;
case EnumNotifyType.Info:
this.ficon.Text = "\ue659";
break;
case EnumNotifyType.Question:
this.ficon.Text = "\ue60e";
this.btnCancel.Visibility = Visibility.Visible;
break;
}
}

private void SetForeground(EnumNotifyType type)
{
string key = type.ToSafeString() + "Foreground";
if (!_Brushes.ContainsKey(key))
{
var b = this.TryFindResource(key) as Brush;
_Brushes.Add(key, b);
}
this.Foreground = _Brushes[key];
}

private void btnOK_Click(object sender, RoutedEventArgs e)
{
this.Result = true;
this.Close();
e.Handled = true;
}

private void btnCancel_Click(object sender, RoutedEventArgs e)
{
this.Result = false;
this.Close();
e.Handled = true;
}

/********************* public static method **************************/

/// <summary>
/// 提示错误消息
/// </summary>
public static void Error(string mes, Window owner = null)
{
Show(EnumNotifyType.Error, mes, owner);
}

/// <summary>
/// 提示普通消息
/// </summary>
public static void Info(string mes, Window owner = null)
{
Show(EnumNotifyType.Info, mes, owner);
}

/// <summary>
/// 提示警告消息
/// </summary>
public static void Warning(string mes, Window owner = null)
{
Show(EnumNotifyType.Warning, mes, owner);
}

/// <summary>
/// 提示询问消息
/// </summary>
public static bool Question(string mes, Window owner = null)
{
return Show(EnumNotifyType.Question, mes, owner);
}

/// <summary>
/// 显示提示消息框，
/// owner指定所属父窗体，默认参数值为null，则指定主窗体为父窗体。
/// </summary>
private static bool Show(EnumNotifyType type, string mes, Window owner = null)
{
var res = true;
Application.Current.Dispatcher.Invoke(new Action(() =>
{
MessageBoxX nb = new MessageBoxX(type, mes) { Title = type.GetDescription() };
nb.Owner = owner ?? Application.Current.MainWindow;
nb.ShowDialog();
res = nb.Result;
}));
return res;
}

/// <summary>
/// 通知消息类型
/// </summary>
public enum EnumNotifyType
{
[Description("错误")]
Error,
[Description("警告")]
Warning,
[Description("提示信息")]
Info,
[Description("询问信息")]
Question,
}
}

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