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

namespace PaintDotNet.Annotation.Label
{
    /// <summary>
    /// 标注->文本
    /// </summary>
    public class ToolTextString : ToolObject
    {
        private static DrawTextString newTextString;
        private static ISurfaceBox areaNow;
        private static bool isTextBoxAlive = false;
        private static RichTextBox lab;
        private static Point p;
        private static Cursor cursor = new Cursor(PdnResources.GetResourceStream("Cursors.AnnotationRectangle.cur"));

        public static void OnMouseDown(ISurfaceBox drawArea, MouseEventArgs e)
        {
            areaNow = drawArea;

            if (e.Button == MouseButtons.Left)
            {             
                if (newTextString == null && !isTextBoxAlive)
                {
                    Point temp = drawArea.GetCalcOriginPoint();
                    p = GetEventPointInArea(drawArea, e.Location);
                    lab = new RichTextBox();
                    lab.LostFocus += new EventHandler(OnTextBoxLostFocus);
                    lab.Width = 100;
                    lab.Height = 40;
                    lab.BackColor = Color.White;
                    lab.Cursor = Cursors.Default;
                    lab.Location = new Point(temp.X + (int)(p.X * drawArea.ScaleRatio) + 16,  temp.Y+ (int)(p.Y * drawArea.ScaleRatio) + 16);
                    drawArea.Controls.Add(lab);
                    lab.Focus();
                    lab.BringToFront();
                    isTextBoxAlive = true;
                    drawArea.Refresh();
                }
            }
            if (e.Button == MouseButtons.Right)
            {
                if (newTextString == null && isTextBoxAlive)
                {
                    string textStr = lab.Text;
                    drawArea.Controls.Remove(lab);
                    newTextString = new DrawTextString(drawArea, p.X, p.Y, textStr);
                    newTextString.ISurfaceBox = drawArea;
                    AddNewObject(drawArea, newTextString);
                    drawArea.Refresh();
                    //OnMouseNotLeftDown(drawArea, newTextString);

                    newTextString = null;
                    isTextBoxAlive = false;

                    if (!drawArea.ContinuousDrawingLabel())
                    {
                        drawArea.ActiveTool = DrawToolType.Pointer;
                    }
                    OnMouseUpTwo(drawArea, e);
                }
            }
        }

        private static void OnTextBoxLostFocus(object sender, EventArgs e)
        {
            if(areaNow != null && lab != null) 
            { 
                areaNow.Controls.Remove(lab);
                newTextString = null;
                isTextBoxAlive = false;
                if (!areaNow.ContinuousDrawingLabel())
                {
                    OnMouseUpTwo(areaNow, null);
                }
            }
        }

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

        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()
        {
        
        }
    }
}