MTP2.0_CSharp/Muchinfo.MTPClient/Fx4.0/Main/04.Infrastructure/Muchinfo.TASClient.Infrastructure/Helpers/ControlAttachPropertyHelper.cs

using System;
using System.Windows;
using System.Windows.Controls;
//using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using CheckBox = System.Windows.Controls.CheckBox;
using ComboBox = System.Windows.Controls.ComboBox;
using OpenFileDialog = Microsoft.Win32.OpenFileDialog;
using RadioButton = System.Windows.Controls.RadioButton;
using RichTextBox = System.Windows.Controls.RichTextBox;
using TextBox = System.Windows.Controls.TextBox;

namespace Muchinfo.MTPClient.Infrastructure.Helpers
{
    /// <summary>
    /// 公共附加属性
    /// </summary>
    public static class ControlAttachPropertyHelper
    {
        /************************************ Attach Property **************************************/
        #region WatermarkProperty 水印
        /// <summary>
        /// 水印
        /// </summary>
        public static readonly DependencyProperty WatermarkProperty = DependencyProperty.RegisterAttached(
            "Watermark", typeof(string), typeof(ControlAttachPropertyHelper), new FrameworkPropertyMetadata(""));

        public static string GetWatermark(DependencyObject d)
        {
            return (string)d.GetValue(WatermarkProperty);
        }

        public static void SetWatermark(DependencyObject obj, string value)
        {
            obj.SetValue(WatermarkProperty, value);
        }
        #endregion

        /************************************ RoutedUICommand Behavior enable **************************************/

        #region IsClearTextButtonBehaviorEnabledProperty 清除输入框Text值按钮行为开关（设为ture时才会绑定事件）
        /// <summary>
        /// 清除输入框Text值按钮行为开关
        /// </summary>
        public static readonly DependencyProperty IsClearTextButtonBehaviorEnabledProperty = DependencyProperty.RegisterAttached("IsClearTextButtonBehaviorEnabled"
            , typeof(bool), typeof(ControlAttachPropertyHelper), new FrameworkPropertyMetadata(false, IsClearTextButtonBehaviorEnabledChanged));

        [AttachedPropertyBrowsableForType(typeof(TextBox))]
        public static bool GetIsClearTextButtonBehaviorEnabled(DependencyObject d)
        {
            return (bool)d.GetValue(IsClearTextButtonBehaviorEnabledProperty);
        }

        public static void SetIsClearTextButtonBehaviorEnabled(DependencyObject obj, bool value)
        {
            obj.SetValue(IsClearTextButtonBehaviorEnabledProperty, value);
        }

        /// <summary>
        /// 绑定清除Text操作的按钮事件
        /// </summary>
        private static void IsClearTextButtonBehaviorEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            //var button = d as FButton;
            //if (e.OldValue != e.NewValue && button != null)
            //{
            //    button.CommandBindings.Add(ClearTextCommandBinding);
            //}
        }

        #endregion

        /************************************ RoutedUICommand **************************************/

        #region ClearTextCommand 清除输入框Text事件命令

        /// <summary>
        /// 清除输入框Text事件命令，需要使用IsClearTextButtonBehaviorEnabledChanged绑定命令
        /// </summary>
        public static RoutedUICommand ClearTextCommand { get; private set; }

        /// <summary>
        /// ClearTextCommand绑定事件
        /// </summary>
        private static readonly CommandBinding ClearTextCommandBinding;

        /// <summary>
        /// 清除输入框文本值
        /// </summary>
        private static void ClearButtonClick(object sender, ExecutedRoutedEventArgs e)
        {
            var tbox = e.Parameter as FrameworkElement;
            if (tbox == null) return;
            if (tbox is TextBox)
            {
                ((TextBox)tbox).Clear();
            }
            //if (tbox is PasswordBox)
            //{
            //    ((PasswordBox)tbox).Clear();
            //}
            //if (tbox is ComboBox)
            //{
            //    var cb = tbox as ComboBox;
            //    cb.SelectedItem = null;
            //    cb.Text = string.Empty;
            //}
            //if (tbox is MultiComboBox)
            //{
            //    var cb = tbox as MultiComboBox;
            //    cb.SelectedItem = null;
            //    cb.UnselectAll();
            //    cb.Text = string.Empty;
            //}
            //if (tbox is DatePicker)
            //{
            //    var dp = tbox as DatePicker;
            //    dp.SelectedDate = null;
            //    dp.Text = string.Empty;
            //}
            tbox.Focus();
        }

        #endregion

        /// <summary>
        /// 静态构造函数
        /// </summary>
        static ControlAttachPropertyHelper()
        {
            //ClearTextCommand
            ClearTextCommand = new RoutedUICommand();
            ClearTextCommandBinding = new CommandBinding(ClearTextCommand);
            ClearTextCommandBinding.Executed += ClearButtonClick;
            //OpenFileCommand
            //OpenFileCommand = new RoutedUICommand();
            //OpenFileCommandBinding = new CommandBinding(OpenFileCommand);
            //OpenFileCommandBinding.Executed += OpenFileButtonClick;
            ////OpenFolderCommand
            //OpenFolderCommand = new RoutedUICommand();
            //OpenFolderCommandBinding = new CommandBinding(OpenFolderCommand);
            //OpenFolderCommandBinding.Executed += OpenFolderButtonClick;

            //SaveFileCommand = new RoutedUICommand();
            //SaveFileCommandBinding = new CommandBinding(SaveFileCommand);
            //SaveFileCommandBinding.Executed += SaveFileButtonClick;
        }
    }
}