using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WireProcessMachine
{
    public partial class FrmKeybord : Form
    {
        static bool NumKeyboardEnable=true;
        private bool falg = false;
        private double MaxValue;
        private double MinValue;
        //public bool TypePassWord;
        private string str = "";
        #region
        public FrmKeybord()
        {
            InitializeComponent();
            this.ControlBox = false;
            this.MaximizeBox = false;
            foreach (Control item in panel1.Controls)
            {
                if (item is Button)
                {
                    Button btn = (Button)item;
                    btn.Click += btnNumber_Click;
                }
            }
            btnSub.Click -= btnNumber_Click;
        }

        public new  DialogResult ShowDialog()
        {
            if (NumKeyboardEnable == false)
            {
                this.Tag = str;
                return DialogResult.Abort;
            }
            else
                return base.ShowDialog();
        }

        public bool TypePassword
        {
            set
            {
                if(value)
                txtNumber.PasswordChar = '*';
            }
         }

        public FrmKeybord(double maxValue, double minValue) : this()
        {
            this.MaxValue = maxValue;
            this.MinValue = minValue;
            lblMax.Text = maxValue.ToString();
            lblMin.Text = minValue.ToString();
            this.txtNumber.SelectAll();
        }

        public FrmKeybord(double maxValue, double minValue, string text) : this()
        {
            this.MaxValue = maxValue;
            this.MinValue = minValue;
            if (text == null || text == "")
            {
                this.txtNumber.Text = "0";
                str = "";
            }
            else
            {
                this.txtNumber.Text = text;
                str = text;
            }
            lblMax.Text = maxValue.ToString();
            lblMin.Text = minValue.ToString();
            this.txtNumber.SelectAll();
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Tag = str;
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }

        private void FrmKeybord_FormClosing(object sender, FormClosingEventArgs e)
        {

        }
        private void btnNumber_Click(object sender, EventArgs e)
        {
            if (falg == false)
            {
                this.txtNumber.Text = "";
                falg = true;
            }
            if (((Button)sender).Text != ".")
            {
                if (txtNumber.Text.Substring(0) == "0")
                {
                    txtNumber.Text = txtNumber.Text.Substring(1);
                }
                this.txtNumber.Text += ((Button)sender).Text;
            }
            else
            {
                if (((Button)sender).Text == "." && !this.txtNumber.Text.Contains("."))
                {

                    if (txtNumber.Text.Substring(0) == "0")
                    {
                        this.txtNumber.Text = "0" + ((Button)sender).Text;
                        //txtNumber.Text = txtNumber.Text.Substring(1);
                    }
                    else if (txtNumber.Text.Substring(0) == "")
                    {
                        this.txtNumber.Text = "0" + ((Button)sender).Text;
                    }
                    else
                    {
                        this.txtNumber.Text += ((Button)sender).Text;
                    }

                }
              
            }
        }
        #region 输入数据
        private void btnEnter_Click(object sender, EventArgs e)
        {
            double number = 0;
            double.TryParse(this.txtNumber.Text,out number);
            double x =this.txtNumber.Text==""?0: number;
            if (x > this.MaxValue || x < this.MinValue)
            {
                DialogResult result = MessageBox.Show("输入数值范围错误！重新输入！" + "\r\n" + "Over the value limit!",
                       "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                if (result == DialogResult.OK)
                {
                    this.txtNumber.Focus();
                    this.txtNumber.SelectAll();
                    falg = false;
                    return;
                }

            }
            else
            {
                ReturnValue();
                this.DialogResult = DialogResult.OK;
                this.Close();
            }

        }
        #endregion
        private void ReturnValue()
        {
            if (this.txtNumber.Text.Length > 1 && !this.txtNumber.Text.Contains("-"))
            {
                this.Tag = this.txtNumber.Text;
            }
            else
            {
                if (this.txtNumber.Text.Length > 1 && this.txtNumber.Text.Contains("-"))
                {
                    this.Tag = "-" + this.txtNumber.Text.Substring(1, this.txtNumber.Text.Length - 1);
                }
                else if (this.txtNumber.Text.Length == 1)
                {
                    this.Tag = this.txtNumber.Text;
                }
            }
        }
        #region 删除一个数字
        private void btnDel_Click(object sender, EventArgs e)
        {
            if (txtNumber.Text.Length > 1)
            {
                txtNumber.Text = txtNumber.Text.Substring(0, txtNumber.Text.Length - 1);
            }
            else
            {
                txtNumber.Text = "0";
            }
        }
        #endregion
        #region 清除数字
        private void btnClear_Click(object sender, EventArgs e)
        {
            this.txtNumber.Text = "";
        }
        #endregion
        #region 添加正负号
        private void btnSub_Click(object sender, EventArgs e)
        {
            if (falg == false)
            {
                this.txtNumber.Text = "";
                falg = true;
            }
            if (!txtNumber.Text.Contains("-"))
            {
                if (txtNumber.Text.Substring(0) == "0")
                {
                    txtNumber.Text = txtNumber.Text.Substring(1);
                }
                this.txtNumber.Text = "-" + this.txtNumber.Text;
            }
            else
            {
                if (txtNumber.Text.Length > 1)
                {
                    txtNumber.Text = txtNumber.Text.Substring(1, txtNumber.Text.Length - 1);
                }
            }
        }
        #endregion

        private void FrmKeybord_FormClosed(object sender, FormClosedEventArgs e)
        {

        }
    }
    #endregion

}