VisionEdit/UsingControl/HZHControls/Controls/Text/UCNumTextBox.cs

// ***********************************************************************
// Assembly         : HZH_Controls
// Created          : 08-08-2019
//
// ***********************************************************************
// <copyright file="UCNumTextBox.cs">
//     Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
// </copyright>
//
// Blog: https://www.cnblogs.com/bfyx
// GitHub：https://github.com/kwwwvagaa/NetWinformControl
// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
//
// If you use this code, please keep this note.
// ***********************************************************************
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace HZH_Controls.Controls
{
    /// <summary>
    /// Class UCNumTextBox.
    /// Implements the <see cref="System.Windows.Forms.UserControl" />
    /// </summary>
    /// <seealso cref="System.Windows.Forms.UserControl" />
    [DefaultEvent("NumChanged")]
    public partial class UCNumTextBox : UserControl
    {
        /// <summary>
        /// Occurs when [show key border event].
        /// </summary>
        [Description("弹出输入键盘时发生"), Category("自定义")]
        public event EventHandler ShowKeyBorderEvent;
        /// <summary>
        /// Occurs when [hide key border event].
        /// </summary>
        [Description("关闭输入键盘时发生"), Category("自定义")]
        public event EventHandler HideKeyBorderEvent;
        /// <summary>
        /// Occurs when [number changed].
        /// </summary>
        [Description("数字改变时发生"), Category("自定义")]
        public event EventHandler NumChanged;
        /// <summary>
        /// 输入类型
        /// </summary>
        /// <value>The type of the input.</value>
        [Description("输入类型"), Category("自定义")]
        public TextInputType InputType
        {
            get
            {
                return txtNum.InputType;
            }
            set
            {
                if (value == TextInputType.NotControl)
                {
                    return;
                }
                txtNum.InputType = value;
            }
        }

        /// <summary>
        /// Gets or sets a value indicating whether this instance is number can input.
        /// </summary>
        /// <value><c>true</c> if this instance is number can input; otherwise, <c>false</c>.</value>
        [Description("数字是否可手动编辑"), Category("自定义")]
        public bool IsNumCanInput
        {
            get
            {
                return txtNum.Enabled;
            }
            set
            {
                txtNum.Enabled = value;
            }
        }
        /// <summary>
        /// 当InputType为数字类型时，能输入的最大值
        /// </summary>
        /// <value>The maximum value.</value>
        [Description("当InputType为数字类型时，能输入的最大值。")]
        public decimal MaxValue
        {
            get
            {
                return this.txtNum.MaxValue;
            }
            set
            {
                this.txtNum.MaxValue = value;
            }
        }
        /// <summary>
        /// 当InputType为数字类型时，能输入的最小值
        /// </summary>
        /// <value>The minimum value.</value>
        [Description("当InputType为数字类型时，能输入的最小值。")]
        public decimal MinValue
        {
            get
            {
                return this.txtNum.MinValue;
            }
            set
            {
                this.txtNum.MinValue = value;
            }
        }
        /// <summary>
        /// The key board type
        /// </summary>
        private KeyBoardType keyBoardType = KeyBoardType.UCKeyBorderNum;
        /// <summary>
        /// Gets or sets the type of the key board.
        /// </summary>
        /// <value>The type of the key board.</value>
        [Description("键盘样式"), Category("自定义")]
        public KeyBoardType KeyBoardType
        {
            get { return keyBoardType; }
            set { keyBoardType = value; }
        }

        /// <summary>
        /// Gets or sets the number.
        /// </summary>
        /// <value>The number.</value>
        [Description("数值"), Category("自定义")]
        public decimal Num
        {
            get { return txtNum.Text.ToDecimal(); }
            set { txtNum.Text = value.ToString(); }
        }
        /// <summary>
        /// 获取或设置控件显示的文字的字体。
        /// </summary>
        /// <value>The font.</value>
        /// <PermissionSet>
        ///   <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
        ///   <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
        ///   <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
        ///   <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
        /// </PermissionSet>
        [Description("字体"), Category("自定义")]
        public new Font Font
        {
            get
            {
                return txtNum.Font;
            }
            set
            {
                txtNum.Font = value;
            }
        }

        /// <summary>
        /// Occurs when [add click].
        /// </summary>
        [Description("增加按钮点击事件"), Category("自定义")]
        public event EventHandler AddClick;
        /// <summary>
        /// Occurs when [minus click].
        /// </summary>
        [Description("减少按钮点击事件"), Category("自定义")]
        public event EventHandler MinusClick;

        private decimal increment = 1;
        [Description("递增量，大于0的数值"), Category("自定义")]
        public decimal Increment
        {
            get { return increment; }
            set
            {
                if (value <= 0)
                    return;
                increment = value;
            }
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="UCNumTextBox" /> class.
        /// </summary>
        public UCNumTextBox()
        {
            InitializeComponent();
            txtNum.TextChanged += txtNum_TextChanged;
        }

        /// <summary>
        /// Handles the TextChanged event of the txtNum control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        void txtNum_TextChanged(object sender, EventArgs e)
        {
            if (NumChanged != null)
            {
                NumChanged(txtNum.Text.ToString(), e);
            }
        }
        /// <summary>
        /// The m FRM anchor
        /// </summary>
        Forms.FrmAnchor m_frmAnchor;
        /// <summary>
        /// Handles the MouseDown event of the txtNum control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
        private void txtNum_MouseDown(object sender, MouseEventArgs e)
        {
            if (IsNumCanInput)
            {
                if (KeyBoardType != HZH_Controls.Controls.KeyBoardType.Null)
                {
                    switch (keyBoardType)
                    {
                        case KeyBoardType.UCKeyBorderAll_EN:

                            UCKeyBorderAll keyAll = new UCKeyBorderAll();
                            keyAll.RetractClike += (a, b) => { m_frmAnchor.Hide(); };
                            keyAll.EnterClick += (a, b) => { m_frmAnchor.Hide(); };
                            m_frmAnchor = new Forms.FrmAnchor(this, keyAll);
                            m_frmAnchor.VisibleChanged += m_frmAnchor_VisibleChanged;

                            m_frmAnchor.Show(this.FindForm());
                            break;
                        case KeyBoardType.UCKeyBorderNum:

                            UCKeyBorderNum keyNum = new UCKeyBorderNum();
                            keyNum.EnterClick += (a, b) => { m_frmAnchor.Hide(); };
                            m_frmAnchor = new Forms.FrmAnchor(this, keyNum);
                            m_frmAnchor.VisibleChanged += m_frmAnchor_VisibleChanged;
                            m_frmAnchor.Show(this.FindForm());
                            break;
                    }
                }
            }
        }

        /// <summary>
        /// Handles the VisibleChanged event of the m_frmAnchor control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        void m_frmAnchor_VisibleChanged(object sender, EventArgs e)
        {
            if (m_frmAnchor.Visible)
            {
                if (ShowKeyBorderEvent != null)
                {
                    ShowKeyBorderEvent(this, null);
                }
            }
            else
            {
                if (HideKeyBorderEvent != null)
                {
                    HideKeyBorderEvent(this, null);
                }
            }
        }

        /// <summary>
        /// Numbers the add click.
        /// </summary>
        public void NumAddClick()
        {
            btnAdd_MouseDown(null, null);
        }

        /// <summary>
        /// Numbers the minus click.
        /// </summary>
        public void NumMinusClick()
        {
            btnMinus_MouseDown(null, null);
        }

        /// <summary>
        /// Handles the MouseDown event of the btnAdd control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
        private void btnAdd_MouseDown(object sender, MouseEventArgs e)
        {
            if (AddClick != null)
            {
                AddClick(this, e);
            }
            decimal dec = this.txtNum.Text.ToDecimal();
            dec += increment;
            txtNum.Text = dec.ToString();

        }

        /// <summary>
        /// Handles the MouseDown event of the btnMinus control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
        private void btnMinus_MouseDown(object sender, MouseEventArgs e)
        {
            if (MinusClick != null)
            {
                MinusClick(this, e);
            }
            decimal dec = this.txtNum.Text.ToDecimal();
            dec -= increment; ;
            txtNum.Text = dec.ToString();
        }

        /// <summary>
        /// Handles the Load event of the UCNumTextBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        private void UCNumTextBox_Load(object sender, EventArgs e)
        {
            this.txtNum.BackColor = this.BackColor;
        }

        /// <summary>
        /// Handles the FontChanged event of the txtNum control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        private void txtNum_FontChanged(object sender, EventArgs e)
        {
            txtNum.Location = new Point(txtNum.Location.X, (this.Height - txtNum.Height) / 2);
        }

        /// <summary>
        /// Handles the BackColorChanged event of the UCNumTextBox control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
        private void UCNumTextBox_BackColorChanged(object sender, EventArgs e)
        {
            Color c = this.BackColor;
            Control control = this;
            while (c == Color.Transparent)
            {
                control = control.Parent;
                if (control == null)
                    break;
                c = control.BackColor;
            }
            if (c == Color.Transparent)
                return;
            txtNum.BackColor = c;
        }
    }
}