using System;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;

using Xceed.Wpf.Toolkit;

namespace MuchInfo.Chart.Infrastructure.Controls
{
    /// <summary>
    /// SingleUpDown.xaml 的交互逻辑
    /// </summary>
    public partial class ChartSingleUpDown : UserControl
    {
        #region Fields

        private CheckBox _checkBox;
        private string _checkPropertyName;
        private bool _flag;
        private int _propertyIndex;
        private string _propertyName;
        private SingleUpDown _spinner;
        private object _target;

        #endregion Fields

        #region Constructors

        public ChartSingleUpDown(object target, string propertyName)
            : this(RuntimeHelpers.GetObjectValue(target), propertyName, 1, 500, 0.1f)
        {
        }

        public ChartSingleUpDown(object target, string propertyName, int minVal, int maxVal, float increment)
            : this(RuntimeHelpers.GetObjectValue(target), propertyName, -1, null, minVal, maxVal, increment)
        {
        }

        public ChartSingleUpDown(object target, string propertyName, int propertyIndex, string checkPropertyName, int minVal, int maxVal, float increment)
        {
            this._spinner = new SingleUpDown
            {
                Maximum = (float)maxVal,
                Minimum = (float)minVal,
                Increment = increment,
                FormatString = "N0",
                Width = 70.0
            };
            //this._spinner.IntegersOnly = false;
            _spinner.ValueChanged += Spinner_ValueChanged;
            this._spinner.SetValue(Grid.ColumnProperty, 2);

            this._checkBox = new CheckBox();
            this._checkBox.Checked += CheckBox_Checked; ;
            this._checkBox.Unchecked += CheckBox_Unchecked;

            this._propertyIndex = -1;
            this._flag = true;
            this._target = RuntimeHelpers.GetObjectValue(target);
            this._propertyName = propertyName;
            this._checkPropertyName = checkPropertyName;
            this._propertyIndex = propertyIndex;
            this.InitializeComponent();
            this.LayoutRoot.Children.Add(this._spinner);

            this.SetSpinnerValue();

            if (!string.IsNullOrWhiteSpace(checkPropertyName))
            {
                this._checkBox.Margin = new Thickness(4.0, 0.0, 6.0, 0.0);
                this._checkBox.VerticalAlignment = (VerticalAlignment)(1);
                this._checkBox.SetValue(Grid.ColumnProperty, 1);
                this.LayoutRoot.Children.Add(this._checkBox);

                this.SetCheckBoxValue();
            }
            this._flag = false;
        }

        #endregion Constructors

        #region Methods

        #region Private Methods

        private void CheckBox_Checked(object sender, RoutedEventArgs e)
        {
            bool singleUpDown_ = this._flag;
            if (!singleUpDown_)
            {
                this.SetCheckPropertyValue(true);
            }
        }

        private void CheckBox_Unchecked(object sender, RoutedEventArgs e)
        {
            bool singleUpDown_ = this._flag;
            if (!singleUpDown_)
            {
                this.SetCheckPropertyValue(false);
            }
        }

        private void SetCheckBoxValue()
        {
            Type type = this._target.GetType();
            PropertyInfo property = type.GetProperty(this._checkPropertyName);
            object[] array = null;
            bool flag = this._propertyIndex != -1;
            if (flag)
            {
                array = new object[]
                {
                    this._propertyIndex
                };
            }
            object objectValue = RuntimeHelpers.GetObjectValue(property.GetGetMethod().Invoke(RuntimeHelpers.GetObjectValue(this._target), array));
            bool flag2 = (bool)objectValue;
            this._checkBox.IsChecked = flag2;
        }

        private void SetCheckPropertyValue(bool aVal)
        {
            Type type = this._target.GetType();
            PropertyInfo property = type.GetProperty(this._checkPropertyName);
            bool flag = this._propertyIndex == -1;
            object[] array;
            if (flag)
            {
                array = new object[]
                {
                    aVal
                };
            }
            else
            {
                array = new object[]
                {
                    this._propertyIndex,
                    aVal
                };
            }
            property.GetSetMethod().Invoke(RuntimeHelpers.GetObjectValue(this._target), array);
        }

        private void SetPropertyValue(float aVal)
        {
            Type type = this._target.GetType();
            PropertyInfo property = type.GetProperty(this._propertyName);
            bool flag = this._propertyIndex == -1;
            object[] array;
            if (flag)
            {
                array = new object[]
                {
                    aVal
                };
            }
            else
            {
                array = new object[]
                {
                    this._propertyIndex,
                    aVal
                };
            }
            property.GetSetMethod().Invoke(RuntimeHelpers.GetObjectValue(this._target), array);
        }

        private void SetSpinnerValue()
        {
            Type type = this._target.GetType();
            PropertyInfo property = type.GetProperty(this._propertyName);
            object[] array = null;
            bool flag = this._propertyIndex != -1;
            if (flag)
            {
                array = new object[]
                {
                    this._propertyIndex
                };
            }
            object objectValue = RuntimeHelpers.GetObjectValue(property.GetGetMethod().Invoke(RuntimeHelpers.GetObjectValue(this._target), array));
            float singleValue = (float)objectValue;
            this._spinner.Value = singleValue;
        }

        void Spinner_ValueChanged(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            if (!_flag)
            {
                this.SetPropertyValue(this._spinner.Value.HasValue ? this._spinner.Value.Value :
                    (this._spinner.Minimum.HasValue ? this._spinner.Minimum.Value : 1));

                OnValueChanged();
            }
        }

        #endregion Private Methods

        #endregion Methods

        public event EventHandler ValueChanged;

        protected virtual void OnValueChanged()
        {
            var handler = ValueChanged;
            if (handler != null) handler(this, System.EventArgs.Empty);
        }
    }
}