Imports System.IO
Imports System.Runtime.InteropServices
Imports DevExpress.XtraEditors

'Imports System.Runtime.InteropServices
'Imports System.Text
Imports DevExpress.XtraGrid.Views.Base
Imports DevExpress.XtraPrinting
Imports DigitalData.Modules.Database

Public Class frmDocSearchResult
    Inherits DevExpress.XtraBars.Ribbon.RibbonForm
    <DllImport("Shell32", CharSet:=CharSet.Auto, SetLastError:=True)>
    Public Shared Function ShellExecuteEx(ByRef lpExecInfo As SHELLEXECUTEINFO) As Boolean
    End Function
    Public Structure SHELLEXECUTEINFO
        Public cbSize As Integer
        Public fMask As Integer
        Public hwnd As IntPtr
        <MarshalAs(UnmanagedType.LPTStr)> Public lpVerb As String
        <MarshalAs(UnmanagedType.LPTStr)> Public lpFile As String
        <MarshalAs(UnmanagedType.LPTStr)> Public lpParameters As String
        <MarshalAs(UnmanagedType.LPTStr)> Public lpDirectory As String
        Dim nShow As Integer
        Dim hInstApp As IntPtr
        Dim lpIDList As IntPtr
        <MarshalAs(UnmanagedType.LPTStr)> Public lpClass As String
        Public hkeyClass As IntPtr
        Public dwHotKey As Integer
        Public hIcon As IntPtr
        Public hProcess As IntPtr
    End Structure
    Private Const SEE_MASK_INVOKEIDLIST = &HC
    Private Const SEE_MASK_NOCLOSEPROCESS = &H40
    Private Const SEE_MASK_FLAG_NO_UI = &H400
    Public Const SW_SHOW As Short = 5
    Private _Helper As ClassHelper
    Private DT_RESULT As DataTable
    Private SelectedDocID As Int64
    Private SelectedFULL_FILEPATH As String

    Private Sub frmDocSearchResult_Load(sender As Object, e As EventArgs) Handles Me.Load
        LoadDocSearch(False)
        _Helper = New ClassHelper
        Text = CURRENT_DOCSEARCH_CAPTION

        DocumentViewer1.Init(LOGCONFIG, MYGDPICTURE_LICENSE_KEY, New DigitalData.Controls.DocumentViewer.DocumentViewer.ToolbarSettings() With {
            .ShowPrintButton = True,
            .ShowRotateButton = True,
            .ShowFlipButton = True,
            .ShowSettingButton = True
        })
    End Sub

    Private Sub frmDocSearchResult_FormClosing(sender As Object, e As FormClosingEventArgs) Handles Me.FormClosing
        Save_DocGrid_Layout()
    End Sub

    Public Sub LoadDocSearch(reload As Boolean)
        Try
            Cursor = Cursors.WaitCursor

            If reload = False Then
                DT_RESULT = MYDB_ECM.GetDatatable(CURRENT_DOCSEARCH_SQL)
            End If

            DT_RESULT = DT_RESULT
            bsiInfo.Caption = $"{CURRENT_DOCSEARCH_CAPTION} ({DT_RESULT.Rows.Count} rows)"
            GridControlDocSearch.DataSource = DT_RESULT
            GridViewDoc_Search.OptionsView.ColumnAutoWidth = False
            GridViewDoc_Search.BestFitColumns()
            Load_DocGrid_Layout()
            Try
                GridViewDoc_Search.Columns.Item("FULL_FILENAME").Visible = False
            Catch ex As Exception

            End Try

        Catch ex As Exception
            LOGGER.Warn("Unexpected Error in LoadDocSearch: " & ex.Message)
        End Try
        Cursor = Cursors.Default

    End Sub
    Private Sub GridViewDoc_Search_FocusedColumnChanged(sender As Object, e As DevExpress.XtraGrid.Views.Base.FocusedColumnChangedEventArgs) Handles GridViewDoc_Search.FocusedColumnChanged
        If GridViewDoc_Search.RowCount > 0 Then
            GetDocID()
            Refresh_DocID()
        End If
    End Sub

    Private Sub GridViewDoc_Search_FocusedRowChanged(sender As Object, e As FocusedRowChangedEventArgs) Handles GridViewDoc_Search.FocusedRowChanged
        If GridViewDoc_Search.RowCount > 0 Then
            LoadFile2Viewer()
        End If
    End Sub
    Sub LoadFile2Viewer()
        GetDocID()
        Refresh_DocID()
        If SplitContainerControl1.Collapsed = False Then
            Dim OFilePath = ClassHelper.FORMAT_WM_PATH(SelectedFULL_FILEPATH)
            DocumentViewer1.LoadFile(OFilePath)
        End If
    End Sub
    Sub Refresh_DocID()
        If SelectedDocID <> 0 Then
            Dim msg = "Doc-ID: " & SelectedDocID.ToString
            bsiDocID.Caption = msg

        Else
            bsiDocID.Caption = "DocRow not selected"

        End If
    End Sub
    Sub GetDocID()
        Try
            Dim oDocID = GridViewDoc_Search.GetRowCellValue(GridViewDoc_Search.FocusedRowHandle, "DocID")
            SelectedFULL_FILEPATH = GridViewDoc_Search.GetRowCellValue(GridViewDoc_Search.FocusedRowHandle, "FULL_FILENAME")
            If Not IsNothing(oDocID) Then
                SelectedDocID = oDocID
                SelectedFULL_FILEPATH = GridViewDoc_Search.GetRowCellValue(GridViewDoc_Search.FocusedRowHandle, "FULL_FILENAME")
            End If

        Catch ex As Exception
            LOGGER.Error(ex)
        End Try
    End Sub

    Sub Open_File()
        Me.Cursor = Cursors.WaitCursor
        Dim allow_Open As Boolean = False
        GetDocID()
        Dim Result = ClassDOC_SEARCH.Get_File_Rights(SelectedDocID)
        If Not IsNothing(Result) Then
            Select Case Result.ToString
                Case "R"

                    allow_Open = True
                Case "RW"
                    allow_Open = True
                Case "RWA"
                    allow_Open = True
            End Select
        End If
        If allow_Open = True Then
            If IsNothing(SelectedDocID) Then
                MsgBox("Could not read File Parameters(5)!", MsgBoxStyle.Exclamation)
                Exit Sub
            End If
            ClassHelper.File_open(SelectedFULL_FILEPATH, SelectedDocID, 0)
            If CURRENT_OFFICE_FILE_CHANGED = True Then LoadDocSearch(True)

        Else
            ClassHelper.MSGBOX_Handler("ERROR", "", "File does not exist! Please contact your admin!")
        End If
        Me.Cursor = Cursors.Default
    End Sub

    Private Sub docCM_Open_Click(sender As Object, e As EventArgs) Handles docCM_Open.Click
        Open_File()
    End Sub

    Private Sub OrdnerÖffnenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles OrdnerÖffnenToolStripMenuItem.Click
        If IsNothing(SelectedFULL_FILEPATH) Then
            MsgBox("Could not read File Parameters(5)!", MsgBoxStyle.Exclamation)
            Exit Sub
        End If

        ClassHelper.Open_Folder(SelectedFULL_FILEPATH, SelectedDocID)

    End Sub

    Private Sub docCM_Copy_Click(sender As Object, e As EventArgs) Handles docCM_Copy.Click
        If ClassDocGrid.SELECTED_DOC_PATH <> "" Then
            Try
                Dim selectedfile(0) As String
                selectedfile(0) = ClassDocGrid.SELECTED_DOC_PATH
                Dim dataobj As New DataObject
                dataobj.SetData(DataFormats.FileDrop, True, selectedfile)

                Clipboard.Clear()
                Clipboard.SetDataObject(dataobj, True)
            Catch ex As Exception
                ClassHelper.MSGBOX_Handler("ERROR", "Unexpected Error", "Error in Copy file:", ex.Message)
            End Try
            Cursor = Cursors.Default
        End If
    End Sub

    Private Sub docCM_Showlinks_Click(sender As Object, e As EventArgs) Handles docCM_Showlinks.Click
        Try
            ClassDocGrid.GetDocItems(GridViewDoc_Search)
            If IsNothing(ClassDocGrid.DT_RESULTFILES) Then
                MsgBox("Could not read File Parameters (LinkRecord)!", MsgBoxStyle.Exclamation)
                Exit Sub
            End If

            Try
                For Each row In GridViewDoc_Search.GetSelectedRows
                    Dim SELECTED_DOC_ID = GridViewDoc_Search.GetRowCellValue(row, "DocID")
                    If IsNothing(SELECTED_DOC_ID) Then
                        MsgBox("Could not Get a selected DocID!", MsgBoxStyle.Exclamation)
                        Exit Sub
                    End If
                    CURRENT_DOC_ID = SELECTED_DOC_ID
                    Dim frm As New frmDoc_Links
                    frm.Show()
                    frm.BringToFront()
                Next
            Catch ex As Exception
                MsgBox("Unexpected Error in Showing DocLinks: " & ex.Message, MsgBoxStyle.Critical)
            End Try
        Catch ex As Exception
            MsgBox("Unexpected Error in Showing DocLinks: " & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Sub

    Private Sub docCM_PropertiesFile_Click(sender As Object, e As EventArgs) Handles docCM_PropertiesFile.Click
        Show_File_Properties()
    End Sub
    Sub Show_File_Properties()
        Try
            For Each row In GridViewDoc_Search.GetSelectedRows
                Dim SELECTED_DOC_PATH = _Helper.FORMAT_WM_PATH(GridViewDoc_Search.GetRowCellValue(row, "FULL_FILENAME"))
                Dim SELECTED_DOC_ID = GridViewDoc_Search.GetRowCellValue(row, "DocID")

                Cursor = Cursors.WaitCursor
                Dim sei As New SHELLEXECUTEINFO
                sei.cbSize = Marshal.SizeOf(sei)
                sei.lpVerb = "properties"
                sei.lpFile = SELECTED_DOC_PATH
                sei.nShow = SW_SHOW
                sei.fMask = SEE_MASK_INVOKEIDLIST
                If Not ShellExecuteEx(sei) Then
                    Dim ex As New System.ComponentModel.Win32Exception(System.Runtime.InteropServices.Marshal.GetLastWin32Error())
                    ClassHelper.MSGBOX_Handler("ERROR", "Unexpected Error", "Error in Open file propertys:", ex.Message)
                End If
            Next

        Catch ex As Exception
            LOGGER.Error(ex)
            MsgBox(ex.Message, MsgBoxStyle.Critical)
        End Try

    End Sub


    Sub Save_DocGrid_Layout()
        Try
            Dim XMLPath = Get_DocGrid_Layout_Filename()
            GridViewDoc_Search.SaveLayoutToXml(XMLPath)
            ' Update_Status_Label(True, "Grid Layout Loaded")
        Catch ex As Exception
            ClassHelper.MSGBOX_Handler("ERROR", "Unexpected Error", ex.Message, ex.StackTrace)
        End Try
    End Sub
    Sub Load_DocGrid_Layout()
        Try

            Dim XMLPath = Get_DocGrid_Layout_Filename()
            If File.Exists(XMLPath) Then
                GridViewDoc_Search.RestoreLayoutFromXml(XMLPath)
                GridViewDoc_Search.GuessAutoFilterRowValuesFromFilter()
            End If

        Catch ex As Exception
            ClassHelper.MSGBOX_Handler("ERROR", "Unexpected Error", ex.Message, ex.StackTrace)
        End Try
    End Sub
    Private Function Get_DocGrid_Layout_Filename()
        Dim Filename As String = String.Format("GridViewDocSearchSW-{0}-UserLayout.xml", CURRENT_ENTITY_ID)
        LAYOUT_DOC_GRIDVIEW = System.IO.Path.Combine(Application.UserAppDataPath(), Filename)
        Return LAYOUT_DOC_GRIDVIEW
    End Function



    Private Sub GridControlDocSearch_DoubleClick(sender As Object, e As EventArgs) Handles GridControlDocSearch.DoubleClick
        GetDocID()
        Refresh_DocID()
    End Sub

    Private Sub GridViewDoc_Search_ColumnFilterChanged(sender As Object, e As EventArgs) Handles GridViewDoc_Search.ColumnFilterChanged
        bsiInfo.Caption = $"{CURRENT_DOCSEARCH_CAPTION} ({GridViewDoc_Search.RowCount} rows [filtered])"

    End Sub

    Private Sub ToolStripButton1_Click(sender As Object, e As EventArgs)
        LoadDocSearch(False)
    End Sub
    Private Sub BarButtonItem2_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem2.ItemClick
        Dim XMLPath = Get_DocGrid_Layout_Filename()
        If File.Exists(XMLPath) Then
            File.Delete(XMLPath)
            LoadDocSearch(True)
        End If
    End Sub

    Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
        Try
            XtraSaveFileDialog1.FileName = GridViewDoc_Search.Name & ".xlsx"
            XtraSaveFileDialog1.DefaultExt = ".xlsx"

            If XtraSaveFileDialog1.ShowDialog() = Windows.Forms.DialogResult.OK Then
                Dim oOptions As New XlsxExportOptions() With {
                    .ExportMode = XlsxExportMode.SingleFile
}
                GridViewDoc_Search.ExportToXlsx(XtraSaveFileDialog1.FileName, oOptions)
                If File.Exists(XtraSaveFileDialog1.FileName) Then
                    MsgBox($"File successfully created: {XtraSaveFileDialog1.FileName}", MsgBoxStyle.Information)
                End If


            End If

        Catch ex As Exception
            MsgBox("Unexpected Error in ExportExcel: " & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Sub

    Private Sub GridViewDoc_Search_DoubleClick(sender As Object, e As EventArgs) Handles GridViewDoc_Search.DoubleClick
        Open_File()
    End Sub

    Private Sub bchlitmPreview_CheckedChanged(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles bchlitmPreview.CheckedChanged
        SplitContainerControl1.Collapsed = Not bchlitmPreview.Checked
        If SplitContainerControl1.Collapsed = False Then
            LoadFile2Viewer()
        End If
    End Sub

    Private Sub DateienVerknüpfenToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles DateienVerknüpfenToolStripMenuItem.Click
        Try
            ClassDocGrid.GetDocItems(GridViewDoc_Search)

            Dim oDocuments = ClassDocGrid.SELECTED_DOCUMENTS

            If oDocuments.Count = 0 Or ClassDocGrid.HasNoSelectedDocuments(GridViewDoc_Search) Then
                MsgBox("Could not read File Parameters (LinkRecord)!", MsgBoxStyle.Exclamation)
                Exit Sub
            End If

            Dim oForm As New frmDocRecordLink With {.myDocuments = oDocuments}
            oForm.Show()

        Catch ex As Exception
            MsgBox("Unexpected Error in Showing DocRecordLink-Form: " & ex.Message, MsgBoxStyle.Critical)
        End Try
    End Sub
End Class