/******************************
* 说明：自定义图片控件(数据库存放图片地址)
* 创建人：龚宇超
* 创建日期：2017-08-07
* 修改人：
* 修改日期：
* 修改备注：
* 版本：1.0.0.0
******************************/
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 System.IO;
using System.Reflection;
using DevExpress.XtraEditors.Controls;
using DevExpress.XtraEditors;
using Lskj.Util;
using Lskj.Business.Impl;
using Lskj.Control.Model;
using System.Threading;
using Lskj.Business;
using System.Net;
using Lskj.Model;

namespace Lskj.Control
{
    /// <summary>
    /// 自定义图片控件
    /// </summary>
    public partial class LabelImageEdit : BaseUserControl
    {
        private bool _isInit = true;
        /// <summary>
        /// 当前图片路径
        /// </summary>
        public string CurrentImagePath = string.Empty;
        /// <summary>
        /// 图片控件
        /// </summary>
        public PictureEdit TextEdit { get { return imgFile; } }

        //public event UnionEventHander UnionEvent;
        public event UploadEventHander UploadEvent;
        public event DeleteEventHander DeleteEvent;

        /// <summary>
        /// 关联回调事件
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void UnionEventHander(object sender);
        /// <summary>
        /// 上传回调事件
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void UploadEventHander(object sender);
        /// <summary>
        /// 删除回调事件
        /// </summary>
        /// <param name="sender">The sender.</param>
        public delegate void DeleteEventHander(object sender);
        /// <summary>
        /// 配置的文件地址
        /// </summary>
        public string DownloadUrl;

        public LabelImageEdit()
        {
            InitializeComponent();
        }

        /// <summary>
        /// <para>说明：设置控件显示文本</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="text">显示Lebel文本</param>
        public override string LabelText
        {
            get
            {
                return this.lblText.Text;
            }
            set
            {
                this.lblText.Text = value;
                if (FontSize > 0)
                {
                    this.plLeft.Dock = DockStyle.Left;
                    this.plLeft.AutoSize = false;
                    this.lblText.AutoSize = false;
                    this.lblText.Dock = System.Windows.Forms.DockStyle.Fill;
                    this.lblText.Location = new System.Drawing.Point(0, 0);
                    this.lblText.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
                    this.plLeft.Width = value.Length * GetCharWidth();

                    GetCharWidthMultilingual(this.lblText, this.lblText.Text, this.plLeft);
                }
                else
                {
                    this.plLeft.Width = this.lblText.Width + PaddingLeft;
                }
            }
        }
        /// <summary>
        /// 字体大小
        /// </summary>
        /// <value>The size of the control.</value>
        public override float FontSize
        {
            get
            {
                return base.FontSize;
            }
            set
            {
                base.FontSize = value;
                if (value > 0)
                {
                    this.lblText.Font = new Font(this.lblText.Font.FontFamily, value);
                    this.TextEdit.Font = new Font(this.TextEdit.Font.FontFamily, value);
                }
            }
        }
        /// <summary>
        /// <para>说明：是否为空</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-11-06 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if this instance is empty; otherwise, <c>false</c>.</returns>
        /// <value>The is empty.</value>
        public override bool IsEmpty()
        {
            return base.Model != null && base.Model.IsEmpty && this.imgFile.Image != null;
        }
        /// <summary>
        /// <para>说明：图片是否改变</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-11-08 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if this instance is update; otherwise, <c>false</c>.</returns>
        public override bool IsUpdate()
        {
            return false;
        }
        /// <summary>
        /// 只读文本颜色
        /// </summary>
        /// <value>The color of the read only label.</value>
        public override bool ReadOnly
        {
            get
            {
                return base.ReadOnly;
            }
            set
            {
                base.ReadOnly = value;
                this.imgFile.Properties.ReadOnly = value;
                this.lblText.ForeColor = value ? base.ReadOnlyLabelForceColor : Required ? base.RequiredLabelForceColor : base.DefaultLabelForceColor;
            }
        }
        /// <summary>
        /// 必填文本颜色
        /// </summary>
        /// <value>The color of the required label.</value>
        public override bool Required
        {
            get
            {
                return base.Required;
            }
            set
            {
                base.Required = value;
                if (value)
                {
                    this.lblText.ForeColor = base.RequiredLabelForceColor;
                }
            }
        }
        /// <summary>
        /// <para>说明：加载图片(先检测本地,不存在则从服务器下载)</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-02-27 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="fileId">The file value.</param>
        public void LoadImage(string fileId, bool isInit = true)
        {
            try
            {
                // fieldValue：对应附件表fileId
                if (!string.IsNullOrEmpty(fileId))
                {
                    this._isInit = isInit;

                    string relativePath = BaseModuleImpl.GetFileServerPath(fileId);
                    string tempPath = Path.Combine(new string[] { PubUtil.FileDownLoadTempPath, relativePath });
                    string localPath = tempPath.Replace(Path.GetFileName(tempPath), "");

                    // 检查目录是否存在
                    if (!Directory.Exists(localPath))
                        Directory.CreateDirectory(localPath);

                    if (File.Exists(tempPath))
                    {
                        // 本地加载
                        this.TextEdit.Image = new Bitmap(File.OpenRead(tempPath));
                    }
                    else
                    {
                        // 服务器下载
                        string filePath = Path.Combine(SystemInfo.Instance.ServerAttachPath, relativePath);
                        AttachHelper.DownLoadFile(this.Handle, filePath);
                    }
                    this.CurrentImagePath = tempPath;
                }
            }
            catch (Exception ex)
            {
                try
                {
                    if (!string.IsNullOrEmpty(fileId))
                    {
                        this._isInit = isInit;
                        string downUrl = fileId;
                        if (!downUrl.StartsWith("http"))
                        {
                            string OAUrl = !string.IsNullOrEmpty(SystemInfo.Instance.OAUrl) && SystemInfo.Instance.OAUrl.EndsWith("/") ? SystemInfo.Instance.OAUrl : SystemInfo.Instance.OAUrl + "/";
                            downUrl = OAUrl + downUrl;
                            string tempPath = Path.Combine(new string[] { PubUtil.FileDownLoadTempPath, "LabelImageEditFileLoad.jpg" });
                            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(downUrl);
                            request.Method = "GET";
                            WebResponse response = request.GetResponse();
                            Stream stream = new FileStream(tempPath, FileMode.Create, FileAccess.ReadWrite);
                            byte[] bArr = new byte[1024];
                            int size = response.GetResponseStream().Read(bArr, 0, (int)bArr.Length);
                            while (size > 0)
                            {
                                stream.Write(bArr, 0, size);
                                size = response.GetResponseStream().Read(bArr, 0, (int)bArr.Length);
                            }
                            stream.Close();
                            response.GetResponseStream().Close();
                            response.Close();

                            Image image = null;
                            bool isImage = true;
                            try
                            {
                                image = Image.FromFile(tempPath);
                            }
                            catch (Exception)
                            {
                                isImage = false;
                            }
                            if (image != null && isImage)
                            {
                                this.TextEdit.Image = image;
                                //this.TextEdit.Image.Dispose();
                            }
                            else
                            {
                                this.TextEdit.Image = global::Lskj.Control.Properties.Resources.file;
                            }
                            this.CurrentImagePath = tempPath;
                            DownloadUrl = downUrl;
                        }
                    }
                }
                catch (Exception e)
                {

                }
            }
        }
        /// <summary>
        /// <para>说明：保存图片到本地</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="prefix">图片前缀</param>
        /// <returns>返回存放的地址</returns>
        public string SaveImageToLocal(string prefix)
        {
            try
            {
                Image img = this.imgFile.Image;
                if (img != null)
                {
                    string fileName = prefix + "_" + Guid.NewGuid().ToString().Replace("-", "") + ".jpg";
                    string tempPath = Path.Combine(new string[] { PubUtil.FileDownLoadTempPath, fileName });

                    this.CurrentImagePath = tempPath;
                    // 不存在创建目录
                    if (!Directory.Exists(Path.Combine(new string[] { PubUtil.FileDownLoadTempPath })))
                    {
                        Directory.CreateDirectory(Path.Combine(PubUtil.FileDownLoadTempPath));
                    }
                    if (!File.Exists(tempPath))
                    {
                        Bitmap bitmap = new Bitmap(img);
                        bitmap.Save(tempPath);
                    }

                    return (File.Exists(tempPath)) ? tempPath : string.Empty;
                }
            }
            catch (Exception)
            {
            }
            return string.Empty;
        }

        #region 右键菜单事件

        /// <summary>
        /// 预览图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsmi_Preview_Click(object sender, EventArgs e)
        {
            try
            {
                    string url = string.Format(this.DownloadUrl, ERPInfo.Instance.UserName, ERPInfo.Instance.Password, "", "0");
                    // 固定传入参数(窗口标题、操作员ID、操作员名称、权限、模版编号)
                    string[] defaultArgs = string.Format(ModuleArgs.DefaultArgs, "预览", ERPInfo.Instance.UserId, ERPInfo.Instance.UserName, "2", "").Split('~');
                    string[] menuArgs = new string[] { "", "", url } ;
                    string[] args = defaultArgs.Concat(menuArgs).ToArray();
                    IForm form = FormHelper.LoadDllForm("Lskj.PubBrower.dll", args);
                    DialogResult result = form.SubForm.ShowDialog();
                
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }

        /// <summary>
        /// <para>说明：剪切图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_cut_Click(object sender, EventArgs e)
        {
            try
            {
                this.CurrentImagePath = string.Empty;
                InvokeMenuMethod(getMenu(imgFile), "OnClickedCut");
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：拷贝图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_copy_Click(object sender, EventArgs e)
        {
            try
            {
                InvokeMenuMethod(getMenu(imgFile), "OnClickedCopy");
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：粘贴图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_paste_Click(object sender, EventArgs e)
        {
            try
            {
                this.CurrentImagePath = string.Empty;
                InvokeMenuMethod(getMenu(imgFile), "OnClickedPaste");
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：删除图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_delete_Click(object sender, EventArgs e)
        {
            try
            {
                this.CurrentImagePath = string.Empty;
                InvokeMenuMethod(getMenu(imgFile), "OnClickedDelete");
                if (DeleteEvent != null)
                {
                    DeleteEvent(this);
                }
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：加载图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_load_Click(object sender, EventArgs e)
        {
            try
            {
                if (UploadEvent != null)
                {
                    UploadEvent(this);
                }
                //InvokeMenuMethod(getMenu(imgFile), "OnClickedLoad");
                //OpenFileDialog openFileDialog = new OpenFileDialog();
                //if (openFileDialog.ShowDialog() == DialogResult.OK)
                //{
                //    if (!string.IsNullOrEmpty(openFileDialog.FileName))
                //    {
                //        Image image = null;
                //        bool isImage = true;
                //        try
                //        {
                //            image = Image.FromFile(openFileDialog.FileName);
                //        }
                //        catch (Exception)
                //        {
                //            isImage = false;
                //        }
                //        if (image != null && isImage)
                //        {
                //            this.imgFile.Image = image;
                //        }
                //        else
                //        {
                //            this.imgFile.Image = global::Lskj.Control.Properties.Resources.file;
                //        }
                //        this.CurrentImagePath = openFileDialog.FileName;
                //    }
                //    else
                //    {
                //        this.CurrentImagePath = string.Empty;
                //    }
                //}
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：保存图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_save_Click(object sender, EventArgs e)
        {
            try
            {
                InvokeMenuMethod(getMenu(imgFile), "OnClickedSave");
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }

        }
        /// <summary>
        /// <para>说明：关联其他图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_union_Click(object sender, EventArgs e)
        //{
        //    try
        //    {
        //        if (UnionEvent != null)
        //        {
        //            UnionEvent(this);
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        string Message = ErrorMessage.PromptErrorMessage(ex);
        //        MessageUtil.Show(Message, ex.Message);
        //    }

        //}
        /// <summary>
        /// <para>说明：上传图片</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </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 tsmi_upload_Click(object sender, EventArgs e)
        //{
        //    try
        //    {
        //        if (UploadEvent != null)
        //        {
        //            UploadEvent(this);
        //        }
        //    }
        //    catch (Exception ex)
        //    {
        //        string Message = ErrorMessage.PromptErrorMessage(ex);
        //        MessageUtil.Show(Message, ex.Message);
        //    }
        //}
        #endregion

        #region 其它事件
        /// <summary>
        /// <para>说明：打开右键菜单之前</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="CancelEventArgs"/> instance containing the event data.</param>
        protected void cmsMenu_Opening(object sender, CancelEventArgs e)
        {
            try
            {
                bool isImage = imgFile.Image == null;

                tsmi_cut.Enabled = !isImage;
                tsmi_copy.Enabled = !isImage;

                tsmi_delete.Enabled = !isImage;
                //tsmi_save.Enabled = !isImage;

                tsmi_load.Enabled = true;
                //tsmi_union.Enabled = true;

                //tsmi_upload.Enabled = !isImage;
                //tsmi_paste.Enabled = ClipboardHelper.ContainsImage();
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }
        }
        /// <summary>
        /// <para>说明：打开大图查看</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="MouseEventArgs"/> instance containing the event data.</param>
        protected void imgFile_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            //FrmImageDialog imageDialog = new FrmImageDialog();
            //imageDialog.ImageSource = this.ImgFile.Image;
            //imageDialog.ShowDialog();
        }
        #endregion

        #region 扩展PictureEdit
        /// <summary>
        /// <para>说明：执行右键菜单方法</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="menu">The menu.</param>
        /// <param name="name">The name.</param>
        private void InvokeMenuMethod(PictureMenu menu, string name)
        {
            MethodInfo mi = typeof(PictureM