using PaintDotNet.Annotation.Enum;
using System;
using System.Drawing;
using System.Windows.Forms;

namespace PaintDotNet.Annotation.Label
{
    /// <summary>
    /// 标注->工字线
    /// </summary>
    public class ToolWorkType : ToolObject
    {
        private static DrawWorkType newWorkType;
        /// <summary>
        /// 辅助计算点击次数
        /// </summary>
        private static int clickCount = 0;
        /// <summary>
        /// 数值输入
        /// </summary>
        //private static NumericUpDown lab;

        
        private static LabelUsedDialog labelUsedDialog;
        private static ISurfaceBox areaNow;

        private static Cursor cursor = new Cursor(PdnResources.GetResourceStream("Cursors.AnnotationPolyHandle.cur"));

        public static void OnMouseDown(ISurfaceBox drawArea, MouseEventArgs e)
        {
            areaNow = drawArea;
            if (e.Button == MouseButtons.Left)
            {
                clickCount += 1;
                Point p = GetEventPointInArea(drawArea, e.Location);
                if (clickCount == 1)
                {
                    if (newWorkType == null)
                    {
                        newWorkType = new DrawWorkType(drawArea, p.X, p.Y);
                        newWorkType.ISurfaceBox = drawArea;
                        AddNewObject(drawArea, newWorkType);
                    }
                }
                if (clickCount == 2)
                {
                    Point temp = drawArea.GetCalcOriginPoint();
                }
                if (clickCount == 3)
                {
                    newWorkType.judgeP = GetEventPointInArea(drawArea, e.Location);
                    labelUsedDialog = new LabelUsedDialog();
                    labelUsedDialog.Text = "工字线距离";
                    labelUsedDialog.textBox1.Text = newWorkType.labelWorkTypeStyleMode.distance.ToString();
                    labelUsedDialog.button1.Click += new EventHandler(LabelUsedDialogButton1_Click);
                    labelUsedDialog.button2.Click += new EventHandler(LabelUsedDialogButton2_Click);
                    labelUsedDialog.textBox1.KeyPress += new KeyPressEventHandler(TextBox1_KeyPress);
                    labelUsedDialog.StartPosition = FormStartPosition.CenterParent;
                    labelUsedDialog.ShowDialog();

                    //lab = new NumericUpDown();
                    //lab.Cursor = Cursors.Default;
                    //lab.LostFocus += new EventHandler(OnNumbericLostFocus);
                    ////lab.Location = new Point(p.X + temp.X ,p.Y + temp.Y);
                    ////lab.Location = new Point(e.X, e.Y);
                    //lab.Location = new Point(temp.X + (int)(p.X * drawArea.ScaleRatio) + 16, temp.Y + (int)(p.Y * drawArea.ScaleRatio) + 16);
                    //lab.Maximum = 9999;
                    //lab.Minimum = 0;
                    //lab.DecimalPlaces = 2;
                    //lab.Increment = 0.5M;
                    //lab.Value = 10;
                    //drawArea.Controls.Add(lab);
                    //lab.Focus();
                    //lab.BringToFront();
                    //drawArea.Refresh();
                }
                //if (clickCount == 3)
                //{
                //    newWorkType.textboxMessage = lab.Text;
                //    drawArea.Controls.Remove(lab);
                //    drawArea.Refresh();

                //    clickCount = 0;
                //    newWorkType = null;

                //    if (!drawArea.ContinuousDrawingLabel())
                //    {
                //        OnMouseUpTwo(drawArea, e);
                //    }
                //}    
            }
            else {
                OnMouseNotLeftDown(drawArea, null);
            }   
        }

        public static void OnMouseMove(ISurfaceBox drawArea, MouseEventArgs e)
        {
            if (newWorkType != null && clickCount == 1)
            {
                Point pointscroll = GetEventPointInArea(drawArea, e.Location);

                if (newWorkType.pointArray.Count == 1)
                    newWorkType.setNextPoint(pointscroll);
                else
                    newWorkType.pointArray[1] = pointscroll;

                drawArea.Refresh();
                drawArea.GraphicsList.Dirty = true;
            }
        }

        private static void LabelUsedDialogButton1_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(labelUsedDialog.textBox1.Text))
            {
                MessageBox.Show("距离值不能为空,请重新输入");
                return;
            }
            else
            {
                newWorkType.textboxMessage = labelUsedDialog.textBox1.Text;
                areaNow.Refresh();

                clickCount = 0;
                newWorkType = null;

                if (!areaNow.ContinuousDrawingLabel())
                {
                    areaNow.ActiveTool = DrawToolType.Pointer;
                }
                OnMouseUpTwo(areaNow, null);
                labelUsedDialog.Close();
            } 
        }

        private static void LabelUsedDialogButton2_Click(object sender, EventArgs e)
        {
            if(newWorkType != null && areaNow != null)
            {
                RemoveOldObject(areaNow, newWorkType);
                areaNow.Refresh();
                areaNow.RefreshLabelListDialog();

                clickCount = 0;
                newWorkType = null;

                if (!areaNow.ContinuousDrawingLabel())
                {
                    OnMouseUpTwo(areaNow, null);
                }
            }
        }

        private static void TextBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            TextBox textBox1 = (TextBox)sender;
            //判断按键是不是要输入的类型
            if (((int)e.KeyChar < 48 || (int)e.KeyChar > 57) && (int)e.KeyChar != 8 && (int)e.KeyChar != 46)
                e.Handled = true;

            //小数点的处理
            if ((int)e.KeyChar == 46)//小数点
            {
                if (textBox1.Text.Length <= 0)
                    e.Handled = true;   //小数点不能在第一位
                else
                {
                    float f;
                    float oldf;
                    bool b1 = false, b2 = false;
                    b1 = float.TryParse(textBox1.Text, out oldf);
                    b2 = float.TryParse(textBox1.Text + e.KeyChar.ToString(), out f);
                    if (b2 == false)
                    {
                        if (b1 == true)
                            e.Handled = true;
                        else
                            e.Handled = false;
                    }
                }
            }
        }

        //private static void OnNumbericLostFocus(object sender, EventArgs e)
        //{
        //    if (areaNow != null && lab != null)
        //    {
        //        if (!string.IsNullOrEmpty(lab.Text))
        //            newWorkType.textboxMessage = lab.Text;
        //        else
        //            RemoveOldObject(areaNow, newWorkType);
        //        areaNow.Controls.Remove(lab);
        //        areaNow.Refresh();

        //        clickCount = 0;
        //        newWorkType = null;

        //        if (!areaNow.ContinuousDrawingLabel())
        //        {
        //            OnMouseUpTwo(areaNow, null);
        //        }
        //    }
        //}

        public static void OnMouseUp(ISurfaceBox drawArea, MouseEventArgs e)
        {
              
        }


        public static void OnMouseClick(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 鼠标左键双击
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public static void OnMouseLeftDoubleClick(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 删除按键
        /// </summary>
        /// <param name="surfacebox"></param>
        /// <param name="e"></param>
        public static void OnDelKeyDown(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        /// <summary>
        /// 删除划痕处理&污迹处理选择区域的痕迹
        /// </summary>
        /// <param name="surfacebox"></param>
        /// <param name="e"></param>
        public static void OnDel2KeyDown(ISurfaceBox surfacebox, MouseEventArgs e)
        {

        }

        public static void beginWithNewObject()
        {

        }
    }
}