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;
using ryPrint.Mod;
using ryPrint;

namespace RyPrint.Mod
{
    public partial class PrintModEdit : UserControl
    {
        public PrintModEdit()
        {
            InitializeComponent();
        }
        public bool IsDataChanged = false;
        #region 添加控件函数
        public myLabel AddControl(string name, ClsProperty.En_Type _type)
        {
            if (GetControl(name) != null)
            {
                MessageBox.Show("该项已经存在", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return null;
            }
            else
            {
                return AddControl(name, Enum.GetName(typeof(ClsProperty.En_Type), _type), _type, "", "");
            }
        }
        public myLabel AddControl(string name, string title, ClsProperty.En_Type sType, string format, string value)
        {
            return AddControl(name, title, sType, format, value, "");
        }
        public myLabel AddControl(string name, string title, ClsProperty.En_Type sType, string format, string value, string DataSource)
        {
            IsDataChanged = true;
            myLabel ct = new myLabel()
            {
                Size = new Size(100, 25),
                BackColor = Color.Transparent,
                Text = title,
                Name = name,
                Parent = picPreview,
                Cursor = Cursors.Arrow,
                Font = new Font("黑体", 10, FontStyle.Regular)
            };
            //ct.MouseDown += new MouseEventHandler(ct_MouseDown);
            ct.KeyUp += Ct_KeyUp;
            ct.KeyDown += new KeyEventHandler(Ct_KeyDown);
            //ct.MouseMove += new MouseEventHandler(ct_MouseMove);
            //ct.MouseUp += new MouseEventHandler(ct_MouseUp);
            ct.SizeChanged += new EventHandler(Ct_SizeChanged);
            ct.Click += new EventHandler(Ct_Click);
            //ct.sType = sType;
            //ct.title = title;
            //ct.format = format;
            //ct.value = value;
            ct.Property.DataSource = DataSource;
            ct.Property.Type = sType;
            ct.Property.Title = title;
            ct.Property.CustomFormat = format;
            ct.Property.Value = value;
            ct.Property.FontSize = ct.Font.Size;
            ct.Property.Size = new SizeF(RySet.Pixeltomm(ct.Size.Width), RySet.Pixeltomm(ct.Size.Height));
            ct.Property.Postion = new PointF(RySet.Pixeltomm(ct.Location.X), RySet.Pixeltomm(ct.Location.Y));
            new DragControl.MoveControl(ct);
            picPreview.Controls.Add(ct);
            return ct;
        }
        private void Ct_KeyUp(object sender, KeyEventArgs e)
        {
            //if (e.KeyCode == Keys.Up)
            //{
            //    isDataChanged = true;
            //    myLabel ct = (myLabel)sender;
            //    ct.Top--;
            //}
            //else if (e.KeyCode == Keys.Down)
            //{
            //    isDataChanged = true;
            //    myLabel ct = (myLabel)sender;
            //    ct.Top++;
            //}
            //else if (e.KeyCode == Keys.Left)
            //{
            //    isDataChanged = true;
            //    myLabel ct = (myLabel)sender;
            //    ct.Left--;
            //}
            //else if (e.KeyCode == Keys.Right)
            //{
            //    isDataChanged = true;
            //    myLabel ct = (myLabel)sender;
            //    ct.Left++;
            //}
        }

        void Ct_SizeChanged(object sender, EventArgs e)
        {
            IsDataChanged = true;
            myLabel ct = (myLabel)sender;
            LoadProperty(ct);
        }

        void Ct_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Delete)
            {
                IsDataChanged = true;
                myLabel ct = (myLabel)sender;
                picPreview.Controls.Remove(ct);
                propertyGrid1.SelectedObject = null;
            }
        }
        private myLabel GetControl(string name)
        {
            foreach (Control ct in picPreview.Controls)
            {
                if (ct.Name == name)
                {
                    if (ct is myLabel)
                    {
                        return (myLabel)ct;
                    }
                    else
                    {
                        return null;
                    }
                }
            }
            return null;
        }
        #endregion

        private void LoadProperty(myLabel ct)
        {
            propertyGrid1.SelectedObject = ct.Property;
        }
        private void Ct_Click(object sender, EventArgs e)
        {
            myLabel ct = (myLabel)sender;
            LoadProperty(ct);
        }
        #region 控件拖放
        //private Point position;

        private void PicPreview_DragEnter(object sender, DragEventArgs e)
        {
            //当Button被拖拽到WinForm上时候，鼠标效果出现
            if ((e.Data.GetDataPresent(typeof(TextBox))) || (e.Data.GetDataPresent(typeof(myLabel))))
            {
                e.Effect = DragDropEffects.Move;
            }
        }
        #endregion
        /// <summary>
        /// 重设控件位置
        /// </summary>
        /// <returns></returns>
        public string ResetLocationControl()
        {
            ryCommon.Storage tStor = new ryCommon.Storage();
            foreach (Control ct1 in picPreview.Controls)
            {
                switch(ct1)
                {
                    case myLabel ct:
                        ct.Size = new Size(RySet.MMtopixel(ct.Property.Size.Width), RySet.MMtopixel(ct.Property.Size.Height));
                        ct.Location = new Point(RySet.MMtopixel(ct.Property.Postion.X), RySet.MMtopixel(ct.Property.Postion.Y));
                        break;
                }
            }
            return tStor.GetXMLText();
        }
        /// <summary>
        /// 获取或设置配置信息
        /// </summary>
        public string Config
        {
            get {return SaveControl(); }
            set { LoadControl(value); }
        }
        /// <summary>
        /// 保存布局配置信息到字符串
        /// </summary>
        /// <returns></returns>
        public string SaveControl()
        {
            ryCommon.Storage tStor = new ryCommon.Storage();
            foreach (Control ct1 in picPreview.Controls)
            {
                switch (ct1)
                {
                    case myLabel ct:
                        tStor.AddNode2("Name", ct.Name);
                        tStor.SetAttrValue("Title", ct.Property.Title);
                        tStor.SetAttrValue("Width", RySet.Pixeltomm(ct.Size.Width));
                        tStor.SetAttrValue("Height", RySet.Pixeltomm(ct.Size.Height));
                        tStor.SetAttrValue("FontSize", ct.Font.Size);
                        tStor.SetAttrValue("Left", RySet.Pixeltomm(ct.Location.X));
                        tStor.SetAttrValue("Top", RySet.Pixeltomm(ct.Location.Y));
                        //tStor.SetAttrValue("Left", ct.Location.X>picExpress.Image.Width?0:ct.Location.X);
                        //tStor.SetAttrValue("Top", ct.Location.Y>picExpress.Image.Height?0:ct.Location.Y);
                        tStor.SetAttrValue("Multiline", ct.Property.Multiline);
                        tStor.SetAttrValue("align", ct.AlignStr);
                        tStor.SetAttrValue("format", ct.Property.CustomFormat);
                        tStor.SetAttrValue("value", ct.Property.Value);
                        tStor.SetAttrValue("sType", (int)ct.Property.Type);
                        tStor.SetAttrValue("LineSpace", ct.Property.LineSpace);
                        tStor.SetAttrValue("PageCount", ct.Property.PageCount);
                        tStor.SetAttrValue("DataSource", ct.Property.DataSource);
                        tStor.SetAttrValue("NoPrint", ct.Property.NoPrint);
                        break;
                }
            }
            ryCommon.Storage tStor_set = new ryCommon.Storage();
            tStor_set.SelectNode2("id", "set");
            tStor_set.SetAttrValue("Width",numWidth.Value);
            tStor_set.SetAttrValue("Height", numHeight.Value);
            tStor_set.SetAttrValue("PreviewPicPath",txtPicPath.Text);
            tStor_set.SelectNode2("id", "print_xml");
            tStor_set.SetAttrValue("Value", tStor.GetXMLText());
            return tStor_set.GetXMLText();
        }
        /// <summary>
        /// 保存配置到文件
        /// </summary>
        /// <param name="path">要保存的路径</param>
        public void SaveToFile(string path)
        {
            if(!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(path)))
            {
                System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(path));
            }
            System.IO.File.WriteAllText(path, SaveControl(), Encoding.UTF8);
        }
        /// <summary>
        /// 从xml文本中加载配置
        /// </summary>
        /// <param name="xml"></param>
        public void LoadControl(string xml)
        {
            ryCommon.Storage tStor_set = new ryCommon.Storage(xml);
            tStor_set.SelectNode2("id", "set");
            numWidth.Value = tStor_set.GetAttrValue("Width",0);
            numHeight.Value = tStor_set.GetAttrValue("Height", 0);
            txtPicPath.Text = tStor_set.GetAttrValue("PreviewPicPath", "");
            tStor_set.SelectNode2("id","print_xml");
            ryCommon.Storage tStor = new ryCommon.Storage(tStor_set.GetAttrValue("Value"));
            System.Xml.XmlNodeList list = tStor.GetList();
            for (int i = 0; i < list.Count; i++)
            {
                tStor.SelectNode3(list[i]);
                myLabel ct = new myLabel()
                {
                     Font = new Font("黑体", tStor.GetAttrValueByInt("FontSize", 10), FontStyle.Regular),
                     Size = new Size(RySet.MMtopixel(tStor.GetAttrValue("Width", 50f)), RySet.MMtopixel(tStor.GetAttrValue("Height", 10f)))
                 };
                ct.Property.Multiline = tStor.GetAttrValueByBool("Multiline", false);
                if (ct.Size.Height == 0) { ct.Height = 21; }
                if (ct.Size.Width == 0) { ct.Width = 100; }
                ct.Property.Size = new SizeF((float)tStor.GetAttrValue("Width", 50f), (float)tStor.GetAttrValue("Height", 10f));
                ct.Location = new Point(RySet.MMtopixel(tStor.GetAttrValue("Left", 0f)), RySet.MMtopixel(tStor.GetAttrValue("Top", 0f)));
                ct.Property.Postion = new PointF((float)tStor.GetAttrValue("Left", 0f), (float)tStor.GetAttrValue("Top", 0f));
                if (ct.Location.Y < 0) { ct.Top = 0; }
                if (ct.Location.X < 0) { ct.Left = 0; }
                //ct.Size = new Size(tStor.GetAttrValue("Width", 50), tStor.GetAttrValue("Height", 10));
                //if (ct.Size.Height == 0) { ct.Height = 21; }
                //if (ct.Size.Width == 0) { ct.Width = 100; }
                //ct.Property.Size = new SizeF((float)pixelTomm_Width(tStor.GetAttrValue("Width", 50)), (float)pixelTomm_Height(tStor.GetAttrValue("Height", 10)));
                ////ct.Location = new Point((int)pixelTomm_Width(tStor.GetAttrValue("Left", 0)), (int)pixelTomm_Height(tStor.GetAttrValue("Top", 0)));
                //ct.Property.Postion = new PointF((float)pixelTomm_Width(tStor.GetAttrValue("Left", 0)), (float)pixelTomm_Height(tStor.GetAttrValue("Top", 0)));
                //ct.Size = new Size(tStor.GetAttrValue("Width", 50),tStor.GetAttrValue("Height", 10));
                //ct.Location = new Point(tStor.GetAttrValue("Left", 0),tStor.GetAttrValue("Top", 0));
                //
                ClsProperty.En_Type _type = ClsProperty.En_Type.自定义;
                try
                {
                    _type = (ClsProperty.En_Type)tStor.GetAttrValue("sType", 0);
                }
                catch { }
                ct.Property.Type = _type;
                ct.Property.Title = tStor.GetAttrValue("Title");
                ct.Property.LineSpace = tStor.GetAttrValue("LineSpace", 0d);
                ct.Property.PageCount = tStor.GetAttrValue("PageCount", 0);
                ct.Name = tStor.GetAttrValue("Name");
                ct.Parent = picPreview;
                //ct.ReadOnly = true;
                ct.BackColor = Color.Transparent;
                ct.Cursor = Cursors.Arrow;
                ct.SetAlign(tStor.GetAttrValue("align"));
                ct.Property.Value = tStor.GetAttrValue("value");
                ct.Property.CustomFormat = tStor.GetAttrValue("format");
                ct.Property.DataSource = tStor.GetAttrValue("DataSource");
                ct.Property.NoPrint = tStor.GetAttrValue("NoPrint", false);
                ct.Property.Type = _type;
                ct.Refresh();
                //ct.MouseDown += new MouseEventHandler(ct_MouseDown);
                //ct.MouseMove += new MouseEventHandler(ct_MouseMove);
                //ct.MouseUp += new MouseEventHandler(ct_MouseUp);
                new DragControl.MoveControl(ct);
                ct.Click += new EventHandler(Ct_Click);
                ct.KeyUp += Ct_KeyUp;
                ct.KeyDown += new KeyEventHandler(Ct_KeyDown);
                ct.SizeChanged += new EventHandler(Ct_SizeChanged);
                picPreview.Controls.Add(ct);
            }
        }
        /// <summary>
        /// 从文件中加载配置。
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public int LoadFromFile(string path)
        {
            if(System.IO.File.Exists(path))
            {
                LoadControl(System.IO.File.ReadAllText(path, ryCommon.TxtFileEncoder.GetEncoding(path)));
                return 1;
            }
            return 0;
        }
        private void PropertyGrid1_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
        {
            IsDataChanged = true;
            ClsProperty item = (ClsProperty)propertyGrid1.SelectedObject;
            myLabel ct = GetControl(item.Name);
            if (ct != null)
            {
                ct.Property = item;
                ct.Refresh();
            }
        }

        private void BtnBrowser_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                txtPicPath.Text = openFileDialog1.FileName.Replace(Application.StartupPath, "<app>");
            }
        }
        private void txtPicPath_TextChanged(object sender, EventArgs e)
        {
            string picPath = RySet.GetTruePath(txtPicPath.Text);
            if (System.IO.File.Exists(picPath))
            {
                Image image = Image.FromFile(picPath);
                picPreview.Image = image;
                numWidth.Value = Convert.ToDecimal(RySet.InchesTomm(image.Width / Convert.ToDecimal(image.HorizontalResolution)));
                numHeight.Value = Convert.ToDecimal(RySet.InchesTomm(image.Height / Convert.ToDecimal(image.VerticalResolution)));
                picPreview.Width = RySet.MMtopixel((float)numWidth.Value);
                picPreview.Height = RySet.MMtopixel((float)numHeight.Value);
                ResetLocationControl();
                //picExpress.
            }
            else { picPreview.Image = null; }
        }
        /// <summary>
        /// 获取新的控件名
        /// </summary>
        /// <returns></returns>
        private string GetNewName()
        {
            int i = 1;
            while (true)
            {
                if (GetControl("custom" + i.ToString()) == null)
                {
                    return "custom" + i.ToString();
                }
                i++;
            }
        }
        private void 添加自定义ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string name = GetNewName();
            AddControl(name, "自定义" + name.Replace("custom", ""), ClsProperty.En_Type.自定义, "", "");
        }

        private void 添加数据库字段ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            string name = GetNewName();
            AddControl(name, "数据字段" + name.Replace("custom", ""), ClsProperty.En_Type.数据字段, "", "");
        }

        private void BtnAddLabel_Click(object sender, EventArgs e)
        {
            Button ct = (Button)sender;
            Point p = new Point(0, ct.Height);
            contextMenuStrip1.Show(ct, p);
        }
    }
}