sanlu_new/sanlu_c#/SunRoxmServer/Infoking.Common.Windows.Control/Infoking.Common.Windows.Control/IKMetroTextBox.cs

using MetroFramework.Controls;
using System;
using System.ComponentModel;
using System.Windows.Forms;

namespace Infoking.Common.Windows.Control
{
	public class IKMetroTextBox : MetroTextBox
	{
		private Container components;

		private bool _HaveChanged;

		[ReadOnly(true)]
		[Category("BizPeri Configuration")]
		[DefaultValue(false)]
		[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
		[Description("Get or Set whether the control changed.")]
		public bool HaveChanged
		{
			get
			{
				return _HaveChanged;
			}
			set
			{
				_HaveChanged = value;
			}
		}

		[Category("BizPeri Configuration")]
		[ReadOnly(true)]
		[Description("Get or Set text.")]
		[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
		public string CValue
		{
			get
			{
				return Text;
			}
			set
			{
				Text = value;
			}
		}

		public IntPtr TextBoxHandle
		{
			get
			{
				try
				{
					return base.Handle;
				}
				catch
				{
					return IntPtr.Zero;
				}
			}
		}

		public event KeyPressEventHandler OnEnterPress;

		#region ReadOnly Change
		private static readonly object EVENT_READONLYCHANGED = new object();

		[DefaultValue(false)]
		[Description("TextBoxReadOnlyDescr")]
		[RefreshProperties(RefreshProperties.Repaint)]
		[Category("CatBehavior")]
		public new bool ReadOnly
		{
			get
			{
				return base.ReadOnly;
			}
			set
			{
				base.ReadOnly = value;
				OnReadOnlyChanged(EventArgs.Empty);
			}
		}

		[Description("TextBoxBaseOnReadOnlyChangedDescr")]
		[Category("CatPropertyChanged")]
		public event EventHandler ReadOnlyChanged
		{
			add
			{
				base.Events.AddHandler(EVENT_READONLYCHANGED, value);
			}
			remove
			{
				base.Events.RemoveHandler(EVENT_READONLYCHANGED, value);
			}
		}

		protected virtual void OnReadOnlyChanged(EventArgs e)
		{
			(base.Events[EVENT_READONLYCHANGED] as EventHandler)?.Invoke(this, e);
		}
		#endregion

		public IKMetroTextBox()
		{
			InitializeComponent();
			base.TextChanged += IKTextBox_TextChanged;
			this.ReadOnlyChanged += IKTextBox_ReadOnlyChanged;
		}

		private void InitializeComponent()
		{
			components = new System.ComponentModel.Container();
		}

		protected override void OnPaint(PaintEventArgs pe)
		{
			base.OnPaint(pe);
		}

		protected override void OnGotFocus(EventArgs e)
		{
			SelectAll();
		}

		protected override void OnLostFocus(EventArgs e)
		{
			Select(0, 0);
		}

		protected override void OnKeyPress(KeyPressEventArgs e)
		{
			if (e.KeyChar == '\r')
			{
				if (this.OnEnterPress != null)
				{
					this.OnEnterPress(this, e);
				}
				e.Handled = true;
			}
			else
			{
				base.OnKeyPress(e);
			}
		}

		private void IKTextBox_TextChanged(object sender, EventArgs e)
		{
			_HaveChanged = true;
		}

		private void IKTextBox_ReadOnlyChanged(object sender, EventArgs e)
		{
			base.TabStop = !base.ReadOnly;
		}

		public void EnterPress(KeyPressEventArgs e)
		{
			if (this.OnEnterPress != null)
			{
				this.OnEnterPress(this, e);
			}
		}
	}
}