using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ComponentFactory.Krypton.Docking;
using ComponentFactory.Krypton.Navigator;
using ComponentFactory.Krypton.Toolkit;
using ComponentFactory.Krypton.Workspace;
using System.Runtime.InteropServices;
using UCDraw.UC;
using System.IO;
using UCDraw;
using GeoSigma.UCDraw;
using UCDraw.Editor;
//using SymbolLibManager;

namespace LibTest
{
    public partial class FormMain : Form
    {
        int nViewCount = 0;
        MainView viewerCur;
       
        public FormMain()
        {
            InitializeComponent();
            
            //this.WindowState = FormWindowState.Maximized;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //KryptonDockingWorkspace ws = dockingManager.ManageWorkspace(dockableWorkspace);
            //dockingManager.ManageControl(kryptonPanel1, ws);
            //dockingManager.ManageFloating(this);

            //OpenFile("c:\\temp\\钻探目标分布图.dfd");
            //OpenFile("c:\\temp\\某地区射层层深度构造图.dfd");
        }

        private KryptonPage CreateNewPage(MainView viewer, string pageText)
        {
            FileInfo fi = new FileInfo(pageText);
            //KryptonWorkspaceCell cell = dockableWorkspace.ActiveCell;
            //if (cell==null)
            //{
            //    cell=new KryptonWorkspaceCell();
            //    dockableWorkspace.Root.Children.Add(cell);
            //    cell.SelectedPageChanged+=Cell_SelectedPageChanged;
            //}
            //cell.CloseAction += OnClsoeAction;

            KryptonPage pageView = new KryptonPage();
            //pageView.StateSelected.Tab.Back.Color1 = System.Drawing.SystemColors.GradientActiveCaption;
            //pageView.StateSelected.Tab.Back.Color2 = System.Drawing.SystemColors.GradientInactiveCaption;
            //pageView.Text=fi.Name;
            //pageView.TextTitle=pageView.Text;
            //pageView.TextDescription=pageView.Text;
            //pageView.ToolTipStyle= LabelStyle.ToolTip;
            //pageView.ToolTipTitle=fi.FullName;
            //pageView.UniqueName=viewer.ID+"";
            //// Create a close button for the page
            //ButtonSpecAny bsa = new ButtonSpecAny();
            //bsa.Tag=pageView;
            //bsa.Type=PaletteButtonSpecStyle.Close;
            //bsa.Click+=new EventHandler(OnClosePage);
            //pageView.ButtonSpecs.Add(bsa);

            //// Add the control for display inside the page
            //viewer.Dock=DockStyle.Fill;
            //pageView.Controls.Add(viewer);
            
            ////viewers.Add(viewerCur);
            //viewerCur=viewer;
            ////// Add docking pages
            ////cell.Pages.Add(pageView);
            ////cell.SelectedPage=pageView;
            //viewerCur.MouseMoveXYEvent += ShowMouseXY;
            return pageView;
        }

        private void OnClosePage(object sender, EventArgs e)
        {
            // Find the page this button is contained within
            ButtonSpecAny bsa = (ButtonSpecAny)sender;
            //KryptonPage page = (KryptonPage)bsa.Tag;
            // Close the page
            ClosePage((KryptonPage)bsa.Tag);
        }

        /// <summary>
        /// 关闭页面
        /// </summary>
        /// <param name="page">要闭关的页面</param>
        /// <returns>true-取消闭关 false--关闭</returns>
        //ToFix:这个规定返回值是否不合理 
        private bool ClosePage(KryptonPage page)
        {
            // We must have a page to actually close
            if (page!=null)
            {
                //<Added by sjc>
                bool bModified = false;
                if (viewerCur !=null && viewerCur.IsDocumentModified())
                {
                    bModified = true;
                }
                //</Added by sjc>

                // If the page is dirty then we need to ask if it should be saved
                if (page.Text.EndsWith("*") || bModified)
                {
                    switch (MessageBox.Show("是否将修改保存到'"+page.Text.TrimEnd('*')+"' ?",
                                           "关闭文档", MessageBoxButtons.YesNoCancel))
                    {
                        case DialogResult.Cancel:
                            // Returning true indicates the operation was cancelled
                            return true;
                        case DialogResult.Yes:
                            btnSaveFile_Click(null,  null);
                            break;
                        case DialogResult.No:
                            break;
                    }
                }
                // Remove the page from the containing cell
                //KryptonWorkspaceCell cell = dockableWorkspace.CellForPage(page);
                //cell.Pages.Remove(page);
                //page.Dispose();
            }
            return false;
        }
        private void SetDirtyFlag(bool isDirty)
        {
            //KryptonPage pageView = dockableWorkspace.ActivePage;
            //if (pageView==null) return;
            //SetDirtyFlag(pageView, isDirty);
        }
        private void SetDirtyFlag(KryptonPage pageView, bool isDirty)
        {
            if (!isDirty)
            {
                pageView.Text=pageView.Text.TrimEnd('*');
                pageView.TextTitle=pageView.TextTitle.TrimEnd('*');
                pageView.TextDescription=pageView.TextDescription.TrimEnd('*');
            }
            else
            {
                pageView.Text=pageView.Text.TrimEnd('*')+"*";
                pageView.TextTitle=pageView.TextTitle.TrimEnd('*')+"*";
                pageView.TextDescription=pageView.TextDescription.TrimEnd('*')+"*";
            }
        }
        private void SetTitle(string fullFileName)
        {
            //KryptonPage pageView = dockableWorkspace.ActivePage;
            //if (pageView==null) return;
            //FileInfo fi = new FileInfo(fullFileName);
            //pageView.Text=fi.Name;
            //pageView.TextTitle=pageView.Text;
            //pageView.TextDescription=pageView.Text;
            //pageView.ToolTipStyle=LabelStyle.ToolTip;
            //pageView.ToolTipTitle=fi.FullName;
        }
        /// <summary>
        /// 新建图形
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnNewFile_Click(object sender, EventArgs e)
        {
            NewFile();
        }

        private void NewFile()
        {
            //MainView viewer = new MainView();
            //if (viewer.NewFile() == false)
            //{
            //    return;
            //}
            //string strPageText = "图形 " + (++nViewCount);
            //KryptonPage pageView = CreateNewPage(viewer, strPageText);
            //SetDirtyFlag(pageView, true);
            //viewer.LoadLayerTree();
        }

        private void btnOpenFile_Click(object sender, EventArgs e)
        {
            string[] fileNames = DocHelper.SelectMutiFiles();
            foreach (var item in fileNames)
            {
                if (string.IsNullOrEmpty(item))
                {
                    OpenFile(item);
                }
            }            
        }

        private void OpenFile(string fileName)
        {
            //MainView viewer = new MainView();
            //if (viewer.OpenFile(fileName)==false)
            //{
            //    return;
            //}
            ////string strPageText = "图形 "+(nViewCount+1);
            //CreateNewPage(viewer, fileName);
            //viewer.DrawerGotFocus+=Viewer_DrawerGotFocus;            
        }
        /// <summary>
        /// 文件保存
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSaveFile_Click(object sender, EventArgs e)
        {
            SaveFile();
        }

        private void SaveFile()
        {
            if (viewerCur == null) return;
            if (viewerCur.SaveFile())
            {
                SetTitle(viewerCur.FileFullName);
                //SetDirtyFlag(false);
                //UpdateApplicationTitle();
            }
        }

        private void btnSaveAs_Click(object sender, EventArgs e)
        {
            if (viewerCur==null) return;
            if (viewerCur.SaveAs())
            {
                SetTitle(viewerCur.FileFullName);
                //SetDirtyFlag(false);
            }
        }
        private void Viewer_DrawerGotFocus(object sender, EventArgs e)
        {
            //MessageBox.Show(sender.ToString());
        }

        private void Cell_SelectedPageChanged(object sender, EventArgs e)
        {
            //修复Bug:当新建/打开一个文档后 viewerCur未能指向新的MainView
            //出错原因:dockableWorkspace.ActivePage获得的是未新建/打开文档前的当前文档
            KryptonWorkspaceCell cell = sender as KryptonWorkspaceCell;
            if (cell == null)
            {
                return;
            }

            KryptonPage pageView = cell.SelectedPage;
            if (pageView==null) return;
            if(pageView.Controls.Count>0)
                viewerCur = pageView.Controls[0] as MainView;

            //KryptonPage pageView = dockableWorkspace.ActivePage;
            //if (pageView==null) return;
            //if(pageView.Controls.Count>0)
            //    viewerCur = pageView.Controls[0] as MainView;
        }

        /*从最右侧点击X 来关闭一个页面 会调这个函数三次 我难以解决此问题 暂时屏蔽掉 
        //响应最右侧的关闭按钮触发的关闭事件
        private void OnClsoeAction(object sender, CloseActionEventArgs e)
        {
            KryptonPage page = dockableWorkspace.ActivePage;

            MainView viewer = null;
            if (page.Controls.Count > 0)
                viewer = page.Controls[0] as MainView;
            if (viewer == null)
            {
                return;
            }

            bool bModified = false;
            if (viewer.IsDocumentModified())
            {
                bModified = true;
            }

            if (bModified == false)
                return;

            DialogResult result = MessageBox.Show("是否将修改保存到'" + page.Text.TrimEnd('*') + "' ?", "关闭文档", 
                                                   MessageBoxButtons.YesNoCancel);
            if (result == DialogResult.OK)
            {
                btnSaveFile_Click(null, null);
            }
            else if (result == DialogResult.Cancel)
            {
                e.Action = CloseButtonAction.None;    
            }
        }
        */

        private void layerTree_Click(object sender, EventArgs e)
        {
            viewerCur.LayerVisible=!viewerCur.LayerVisible;
        }

        private void btnPropertyShow_Click(object sender, EventArgs e)
        {
            viewerCur.PropertyVisible=!viewerCur.PropertyVisible;
        }

        private void tsbToolElement_Click(object sender, EventArgs e)
        {
            viewerCur.ToolElementVisible=!viewerCur.ToolElementVisible;
        }

        private void tsbPrint_Click(object sender, EventArgs e)
        {
            viewerCur.PrintDraw();
        }

        private enum KeyModifiers
        {
            None = 0,
            Alt = 1,
            Control = 2,
            Shift = 4,
            Windows = 8
        }
        //id hot key identifier
        [DllImport("user32.dll", SetLastError = true)]
        private static extern bool RegisterHotKey(IntPtr hWnd, int id, KeyModifiers fsModifiers, Keys vk);
        [DllImport("user32.dll", SetLastError = true)]
        private static extern bool UnregisterHotKey(IntPtr hWnd, int id);

        private void RegisterHotKeys()
        {
            RegisterHotKey(Handle, 1001, KeyModifiers.Control, Keys.O);
            RegisterHotKey(Handle, 1002, KeyModifiers.Control, Keys.S);
            RegisterHotKey(Handle, 1003, KeyModifiers.Control, Keys.N);
            RegisterHotKey(Handle, 1004, KeyModifiers.None, Keys.Escape);
        }

        private void UnRegisterHotKeys()
        {
            UnregisterHotKey(Handle, 1001);
            UnregisterHotKey(Handle, 1002);
            UnregisterHotKey(Handle, 1003);
            UnregisterHotKey(Handle, 1004);
        }

        //private void processHotKey(int hotKeyId)
        //{
        //    if (hotKeyId == 1001)
        //    {
        //        //OpenFile();
        //    }
        //    else if(hotKeyId == 1002)
        //    {
        //        SaveFile();
        //    }
        //    else if(hotKeyId == 1003)
        //    {
        //        NewFile();
        //    }
        //    else if (hotKeyId == 1004)
        //    {
        //        ProcessEscape();
        //    }
        //}

        //protected override void WndProc(ref Message m)//监视Windows消息
        //{
        //    const int WM_HOTKEY = 0x0312; //热键消息
        //    if (m.Msg == WM_HOTKEY)
        //    {
        //        processHotKey(m.WParam.ToInt32());
        //    }
        //    base.WndProc(ref m);
        //}

        //private void FormMain_Activated(object sender, EventArgs e)
        //{
        //    RegisterHotKeys();
        //}

        //private void FormMain_Deactivate(object sender, EventArgs e)
        //{
        //    UnRegisterHotKeys();
        //}
        
        //private void ProcessEscape()
        //{
        //    if (viewerCur == null)
        //        return;

        //    viewerCur.Escape();
        //}

        private void FormMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            //KryptonWorkspaceCell cell = dockableWorkspace.ActiveCell;
            //if (cell == null)
            //{
            //    return;
            //}

            //KryptonPage[] pageArray = cell.Pages.ToArray();
            //foreach (KryptonPage page in pageArray)
            //{
            //    if (page.Controls.Count == 0) //应该不可能出现的情况
            //        break; //TODO:log 

            //    if (ClosePage(page) == true)
            //    {
            //        e.Cancel = true;
            //        break;
            //    }
            //} //end foreach
        } //end FormMain_FormClosing

        public void ShowMouseXY(string mouseXY)
        {
            tsslStatusInfo.Text = mouseXY;
        }

        private void btnSymbolManage_Click(object sender, EventArgs e)
        {
            //var markEdit = new frmMarkEditor();
            //markEdit.Show();
        }
    }
}