Imports System.ComponentModel
Imports DevExpress.Utils
Imports DevExpress.XtraEditors
Imports DevExpress.XtraEditors.Controls
Imports DevExpress.XtraEditors.Repository
Imports DevExpress.XtraGrid
Imports DevExpress.XtraGrid.Columns
Imports DevExpress.XtraGrid.Views.Grid
Imports DevExpress.XtraRichEdit
Imports DevExpress.XtraTab
Imports DevExpress.XtraTreeList
Imports DevExpress.XtraTreeList.Columns
Imports DevExpress.XtraTreeList.Nodes
Imports DigitalData.Controls.DocumentViewer
Imports DigitalData.Controls.SQLConfig
Imports DigitalData.GUIs.Common
Imports DigitalData.GUIs.Monitor.Constants
Imports DigitalData.Modules.Config
Imports DigitalData.Modules.Database
Imports DigitalData.Modules.Language
Imports DigitalData.Modules.Language.Utils
Imports DigitalData.Modules.Logging
Imports DigitalData.Modules.Patterns

Public Class frmMonitor
    Private ReadOnly ColumnMarkers As New List(Of String) From {"[HTML]", "[SQL]", "[FILENAME]"}
    Private ReadOnly SQLColumns As New List(Of String) From {"SELECT1", "SELECT2", "SELECT3", "SELECT4"}
    Private ReadOnly DocViewColumns As New List(Of String) From {"DOCVIEW1", "DOCVIEW2"}
    Private ReadOnly HtmlViewColumns As New List(Of String) From {"HTML1", "HTML2"}
    Private ReadOnly DataColumns As List(Of String) = SQLColumns.
        Concat(DocViewColumns).
        Concat(HtmlViewColumns).
        ToList

    Private ReadOnly DisplayColumns As New List(Of String) From {"COLUMN1", "COLUMN2", "COLUMN3", "ADDED_WHEN", "STATE", "ICON"}

    Private SQLResultGrids As List(Of GridControl)
    Private SQLResultTabs As List(Of XtraTabPage)
    Private SQLResultGridIndex As Integer = 0
    Private ActiveSQLResultGrid As GridControl

    Private FileResultViewers As List(Of DocumentViewer)
    Private FileResultTabs As List(Of XtraTabPage)
    Private FileResultViewerIndex As Integer = 0

    Private HtmlResultViewers As List(Of RichEditControl)
    Private HtmlResultTabs As List(Of XtraTabPage)

    Private TreeListResults As TreeList
    Private GridControlResults As GridControl
    Private GridViewResults As GridView

    Private MarkedColumns As New List(Of GridColumn)
    Private ActiveSearch As Search = Nothing

    Private GridBuilder As GridBuilder
    Private ControlHelper As Common.ControlHelper
    Private SearchLoader As SearchLoader
    Private ParamLoader As ParameterLoader
    Private LogConfig As LogConfig
    Private Logger As Logger
    Private ConfigManager As ConfigManager(Of Config)
    Private Database As MSSQLServer
    Private FormHelper As FormHelper
    Private Patterns As Patterns2
    Private Workspace As Common.DocumentResultList.Workspace(Of Config)
    Private Validator As Validator
    Private GridLoader As GridLoader

    Private Sub frmStart_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        Try
            LogConfig = New LogConfig(LogConfig.PathType.AppData, Nothing, Nothing, "Digital Data", "Monitor")
            Logger = LogConfig.GetLogger()

            ConfigManager = New ConfigManager(Of Config)(LogConfig, Application.UserAppDataPath, Application.CommonAppDataPath, Application.StartupPath)
            ConfigManager.Config.Debug = LogConfig.Debug

            Patterns = New Patterns2(LogConfig)
            FormHelper = New FormHelper(LogConfig, Me)
            ControlHelper = New Common.ControlHelper(LogConfig)
            Workspace = New DocumentResultList.Workspace(Of Config)(LogConfig, ConfigManager, WorkspaceManager1)

            If ConfigManager.Config.ConnectionString = String.Empty Then
                Dim oSQLConfig As New frmSQLConfig(LogConfig)
                If oSQLConfig.ShowDialog() = DialogResult.OK Then
                    ConfigManager.Config.ConnectionString = oSQLConfig.ConnectionString
                    ConfigManager.Save()
                    Application.Restart()
                Else
                    FormHelper.ShowErrorMessage(New ApplicationException("No Database configured. Application will close!"), "Form Load")
                    Application.Exit()

                End If
            End If

            Dim oConnectionString = MSSQLServer.DecryptConnectionString(ConfigManager.Config.ConnectionString)
            Database = New MSSQLServer(LogConfig, oConnectionString)
            SearchLoader = New SearchLoader(LogConfig, ConfigManager.Config, Database)
            ParamLoader = New ParameterLoader(LogConfig, Database, LayoutControl1)
            GridBuilder = New GridBuilder()
            Validator = New Validator(LogConfig, LayoutControl1, AdornerUIManager2, ControlHelper)
            GridLoader = New GridLoader(LogConfig, SvgImageCollection1)

            InitGrid()
            InitTreeList()

            Dim oGrids As GridView() = New List(Of GridView) From {GridView1, GridView2, GridView3, GridView4}.ToArray
            GridBuilder.SetDefaults(oGrids)
            GridBuilder.SetClipboardHandler(oGrids)
            GridBuilder.SetReadOnlyOptions(oGrids)

            SQLResultGrids = New List(Of GridControl) From {GridControl1, GridControl2, GridControl3, GridControl4}
            SQLResultTabs = New List(Of XtraTabPage) From {XtraTabPageSQL1, XtraTabPageSQL2, XtraTabPageSQL3, XtraTabPageSQL4}

            FileResultViewers = New List(Of DocumentViewer) From {DocumentViewer1, DocumentViewer2}
            FileResultTabs = New List(Of XtraTabPage) From {XtraTabPageFile1, XtraTabPageFile2}

            HtmlResultViewers = New List(Of RichEditControl) From {RichEditControl1, RichEditControl2}
            HtmlResultTabs = New List(Of XtraTabPage) From {XtraTabPageHtml1, XtraTabPageHtml2}

            LoadSearches()


            Dim oLicense = LoadGDPicture()

            For Each oGrid In SQLResultGrids
                AddHandler oGrid.Enter, Sub()
                                            ActiveSQLResultGrid = oGrid
                                            btnExportDetails.Enabled = True
                                        End Sub

                AddHandler oGrid.Leave, Sub()
                                            ActiveSQLResultGrid = Nothing
                                            btnExportDetails.Enabled = False
                                        End Sub
            Next


            For Each oViewer As DocumentViewer In FileResultViewers
                oViewer.Init(LogConfig, oLicense)
            Next
            SplitContainerSQL.Collapsed = True
            SplitContainerFileHTML.Collapsed = True

            SetResultCount(0)

        Catch ex As Exception
            FormHelper.ShowErrorMessage(ex, "frmStart_Load")
        End Try
    End Sub

    Private Function LoadGDPicture() As String
        Dim oSQL = "SELECT LICENSE FROM TBDD_3RD_PARTY_MODULES WHERE NAME = 'GDPICTURE'"
        Return Database.GetScalarValue(oSQL)
    End Function

    Private Async Sub buttonSearch_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles buttonSearch.ItemClick
        Await LoadData()
    End Sub

    Private Async Function LoadData() As Threading.Tasks.Task(Of Boolean)
        Try
            SplashScreenManager1.ShowWaitForm()

            TreeListResults.DataSource = Nothing
            GridControlResults.DataSource = Nothing

            If cmbSearches.EditValue Is Nothing Then
                Return False
            End If

            Dim oSearch As Search = cmbSearches.EditValue

            MarkedColumns.Clear()
            HideAllTabs()

            Dim oMissingParams = Validator.Validate(oSearch)

            If oMissingParams = True Then

                Return False
            End If

            Dim oControls As List(Of Control) = LayoutControl1.Controls.Cast(Of Control).ToList()
            Dim oSQL = Patterns.ReplaceControlValues(oSearch.SQLCommand, oControls)
            Dim oTable As DataTable = Await Database.GetDatatableAsync(oSQL)

            If oSearch.ReturnType = Constants.ReturnTypeEnum.TreeView Then
                GridControlResults.Visible = False
                GridControlResults.Dock = DockStyle.None

                TreeListResults.Visible = True
                TreeListResults.Dock = DockStyle.Fill

                TreeListResults.DataSource = oTable

                Dim oMaxLength = 0
                For Each oRow As DataRow In oTable.Rows
                    Dim oProcess = oRow.Item("COLUMN1")
                    Dim oLength = oProcess.ToString.Length
                    If oLength > oMaxLength Then
                        oMaxLength = oLength
                    End If
                Next

                GridLoader.InitTreeListColumns(TreeListResults, oMaxLength)

                ' Show all columns in DisplayColumns List
                For Each oColumn In TreeListResults.Columns
                    oColumn.Visible = DisplayColumns.Contains(oColumn.FieldName)
                    If oColumn.FieldName = "ADDED_WHEN" Then
                        oColumn.Format.FormatType = FormatType.DateTime
                        oColumn.Format.FormatString = "dd.MM.yyyy HH:MM:ss"
                    End If
                Next

                Dim oStateColumn As TreeListColumn = TreeListResults.Columns.Item("STATE")
                For Each oNode As TreeListNode In TreeListResults.Nodes
                    ExpandNodes(oNode, Function(n)
                                           Dim oObjectValue = n.GetValue(oStateColumn)
                                           Dim oValue As String = NotNull(oObjectValue.ToString, String.Empty)
                                           Return oValue IsNot Nothing AndAlso (oValue = State.STATE_WARNING Or oValue = State.STATE_FAILURE)
                                       End Function)
                Next

                SetResultCount(TreeListResults.AllNodesCount)

                TreeListResults.Focus()
            Else
                GridControlResults.Visible = True
                GridControlResults.Dock = DockStyle.Fill

                TreeListResults.Visible = False
                TreeListResults.Dock = DockStyle.None

                GridControlResults.DataSource = oTable
                GridViewResults.PopulateColumns()
                GridBuilder.SetDateTimeColumns(GridViewResults)

                For Each oColumn As GridColumn In GridViewResults.Columns
                    If oColumn.ColumnType = GetType(Integer) Then
                        oColumn.AppearanceCell.TextOptions.HAlignment = HorzAlignment.Center
                    End If
                Next

                MarkedColumns = GridViewResults.Columns.AsEnumerable.
                    Where(Function(column)
                              Dim oCaption = column.FieldName.ToUpper.Trim
                              Return ColumnMarkers.Any(Function(marker) oCaption.EndsWith(marker))
                          End Function).ToList()

                For Each oColumn In MarkedColumns
                    oColumn.VisibleIndex = -1
                Next

                SetResultCount(GridViewResults.RowCount)

                GridControlResults.Focus()
            End If

            GridViewResults.FocusInvalidRow()
            GridViewResults.BestFitColumns()

            Workspace.LoadWorkspace(oSearch.Id.ToString)

            btnExportMain.Enabled = True

            Return True
        Catch ex As Exception
            FormHelper.ShowErrorMessage(ex, "LoadData")
            Return False
        Finally
            SplashScreenManager1.CloseWaitForm()
        End Try
    End Function

    Private Sub LoadSearches()
        Try
            SearchLoader.LoadSearchParameters()
            SearchLoader.LoadSearches()

            cmbSearches.Properties.Items.Clear()
            cmbSearches.Properties.Items.AddRange(SearchLoader.Searches)

            If cmbSearches.EditValue IsNot Nothing Then
                Dim oOldSearch As Search = DirectCast(cmbSearches.EditValue, Search)
                Dim oNewSearch As Search = SearchLoader.Searches.Where(Function(search) search.Id = oOldSearch.Id).SingleOrDefault()

                If oNewSearch IsNot Nothing Then
                    cmbSearches.EditValue = oNewSearch
                End If
            End If
        Catch ex As Exception
            FormHelper.ShowErrorMessage(ex, "LoadSearches")
        End Try
    End Sub

    Private Sub cmbSearches_SelectedValueChanged(sender As Object, e As EventArgs) Handles cmbSearches.SelectedValueChanged
        DisposeTreeList()
        InitTreeList()

        DisposeGrid()
        InitGrid()

        SplitContainerSQL.Collapsed = True
        SplitContainerFileHTML.Collapsed = True

        btnExportMain.Enabled = False
        btnExportDetails.Enabled = False

        SetResultCount(0)

        LoadSearch()
        HideAllTabs()
    End Sub

    Private Sub LoadSearch()
        Try
            If TypeOf cmbSearches.SelectedItem IsNot Search Then
                Exit Sub
            End If

            Dim oSearch As Search = CType(cmbSearches.SelectedItem, Search)

            ActiveSearch = oSearch

            AdornerUIManager2.Hide()
            AdornerUIManager2.Elements.Clear()

            Root.Clear(disposeItemAndControls:=False)
            LayoutControl1.Clear(True, True)

            TreeListResults.DataSource = Nothing
            GridControlResults.DataSource = Nothing

            If oSearch.Parameters.Count = 0 Then
                lbParams.Visibility = DevExpress.XtraLayout.Utils.LayoutVisibility.Never

            Else
                lbParams.Visibility = DevExpress.XtraLayout.Utils.LayoutVisibility.Always

            End If

            ParamLoader.LoadParameters(oSearch)

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

    Private Function GetParameterItems(pParam As SearchParameter) As Object
        Select Case pParam.ItemType
            Case Constants.ItemTypeEnum.List
                Return pParam.ItemString.Split(";"c).ToList()

            Case Constants.ItemTypeEnum.SQL
                Dim oSQL = pParam.ItemString
                Dim oTable = Database.GetDatatable(oSQL)
                Return oTable
        End Select
    End Function

    Private Sub TreeListResults_FocusedNodeChanged(sender As Object, e As DevExpress.XtraTreeList.FocusedNodeChangedEventArgs)
        If e.Node Is Nothing Then
            Exit Sub
        End If

        Try
            Dim oValues As Dictionary(Of String, String) = GetValuesFromNode(e.Node, DataColumns)

            Dim oSQLCommands = oValues.
                Where(Function(v) v.Key.StartsWith("SELECT")).
                Where(Function(v) v.Value IsNot Nothing).
                ToDictionary(Function(v) v.Key, Function(v) v.Value)

            Dim oFilePaths = oValues.
                Where(Function(v) v.Key.StartsWith("DOCVIEW")).
                Where(Function(v) v.Value IsNot Nothing).
                ToDictionary(Function(v) v.Key, Function(v) v.Value)

            Dim oHtmlDocuments = oValues.
                Where(Function(v) v.Key.StartsWith("HTML")).
                Where(Function(v) v.Value IsNot Nothing).
                ToDictionary(Function(v) v.Key, Function(v) v.Value)

            Dim oAllTabs = SQLResultTabs.
                Concat(FileResultTabs).
                Concat(HtmlResultTabs)
            For Each oTabPage In oAllTabs
                oTabPage.PageVisible = False
            Next

            SplitContainerSQL.Collapsed = True
            SplitContainerFileHTML.Collapsed = True

            For Each oSQLCommand As KeyValuePair(Of String, String) In oSQLCommands
                Try
                    Dim oExtracted = ExtractTitle(oSQLCommand.Value)
                    Dim oCommand = oExtracted.Item1
                    Dim oTitle = oExtracted.Item2

                    Dim oTable As DataTable = Database.GetDatatable(oCommand)

                    If oTable Is Nothing Then
                        Continue For
                    End If

                    Dim oGridIndex = Integer.Parse(oSQLCommand.Key.Last()) - 1
                    Dim oGridControl As GridControl = SQLResultGrids.Item(oGridIndex)

                    If oGridIndex = 0 Then
                        ActiveSQLResultGrid = oGridControl
                    End If

                    FillResultGrid(oGridControl, oTable, oTitle)
                Catch ex As Exception
                    Logger.Error(ex)
                    Continue For
                End Try
            Next

            For Each oFile As KeyValuePair(Of String, String) In oFilePaths
                Try
                    Dim oExtracted = ExtractTitle(oFile.Value)
                    Dim oPath = oExtracted.Item1
                    Dim oTitle = oExtracted.Item2

                    If oPath Is Nothing Then
                        Continue For
                    End If

                    If Not IO.File.Exists(oPath) Then
                        Continue For
                    End If

                    Dim oViewerIndex = Integer.Parse(oFile.Key.Last()) - 1
                    Dim oViewer As DocumentViewer = FileResultViewers.Item(oViewerIndex)

                    FillResultViewer(oViewer, oPath, oTitle)
                Catch ex As Exception
                    Logger.Error(ex)
                    Continue For
                End Try
            Next

            For Each oFile As KeyValuePair(Of String, String) In oHtmlDocuments
                Try
                    Dim oExtracted = ExtractTitle(oFile.Value)
                    Dim oHtml = oExtracted.Item1
                    Dim oTitle = oExtracted.Item2

                    If oHtml Is Nothing Then
                        Continue For
                    End If

                    Dim oViewerIndex = Integer.Parse(oFile.Key.Last()) - 1
                    Dim oViewer As RichEditControl = HtmlResultViewers.Item(oViewerIndex)

                    FillResultHtmlViewer(oViewer, oHtml, oTitle)
                Catch ex As Exception
                    Logger.Error(ex)
                    Continue For
                End Try
            Next
        Catch ex As Exception
            FormHelper.ShowErrorMessage(ex, "TreeListResults_FocusedNodeChanged")
        End Try
    End Sub

    Private Function ExtractTitle(Value As String) As Tuple(Of String, String)
        If Value.Contains("|"c) Then
            Dim oSplit = Value.Split("|"c).ToList
            Dim oValue = oSplit.First()
            Dim oTitle = oSplit.Item(1)

            Return New Tuple(Of String, String)(oValue, oTitle)
        End If

        Return New Tuple(Of String, String)(Value, Nothing)
    End Function

    Private Sub ExpandNodes(RootNode As TreeListNode, Condition As Predicate(Of TreeListNode))
        For Each oNode As TreeListNode In RootNode.Nodes
            ExpandNodes(oNode, Condition)

            If Condition(oNode) = True Then
                oNode.Expand()
                ExpandParentNode(oNode)
            End If
        Next
    End Sub

    Private Sub ExpandParentNode(ChildNode As TreeListNode)
        If ChildNode.ParentNode IsNot Nothing Then
            ChildNode.ParentNode.Expand()
            ExpandParentNode(ChildNode.ParentNode)
        End If
    End Sub

    Private Sub FillResultHtmlViewer(RichEditControl As RichEditControl, Html As String, Title As String)
        RichEditControl.HtmlText = Html

        Dim oTabPage = DirectCast(RichEditControl.Parent, XtraTabPage)
        oTabPage.PageVisible = True
        oTabPage.Text = NotNull(Title, oTabPage.Text)

        XtraTabControlFileHTML.SelectedTabPage = oTabPage
    End Sub

    Private Sub FillResultViewer(DocumentViewer As DocumentViewer, Path As String, Title As String)
        DocumentViewer.LoadFile(Path)

        Dim oTabPage = DirectCast(DocumentViewer.Parent, XtraTabPage)
        oTabPage.PageVisible = True
        oTabPage.Text = NotNull(Title, oTabPage.Text)

        XtraTabControlFileHTML.SelectedTabPage = oTabPage
    End Sub

    Private Sub FillResultGrid(GridControl As GridControl, Table As DataTable, Title As String)
        GridControl.DataSource = Table

        Dim oTabPage = DirectCast(GridControl.Parent, XtraTabPage)
        oTabPage.PageVisible = True
        oTabPage.Text = NotNull(Title, oTabPage.Text)

        XtraTabControlSQL.SelectedTabPage = oTabPage
    End Sub

    Private Function GetValuesFromNode(Node As TreeListNode, ColumnNames As List(Of String)) As Dictionary(Of String, String)
        Dim oValues As New Dictionary(Of String, String)

        For Each oColumnName In ColumnNames
            Dim oValue = MaybeGetValueForColumn(Node, oColumnName)
            oValues.Add(oColumnName, oValue)
        Next

        Return oValues
    End Function

    Private Function MaybeGetValueForColumn(Node As TreeListNode, FieldName As String) As String
        Dim oColumn = TreeListResults.Columns.Item(FieldName)

        If oColumn Is Nothing Then
            Return Nothing
        End If

        Dim oValue = Node.GetValue(oColumn)?.ToString

        If oValue Is String.Empty Then
            Return Nothing
        Else
            Return oValue
        End If
    End Function

    Private Sub TreeListResults_CustomDrawNodeCell(sender As Object, e As DevExpress.XtraTreeList.CustomDrawNodeCellEventArgs)
        Dim oColumn = TreeListResults.Columns.Item("STATE")
        Dim oState = NotNull(e.Node.GetValue(oColumn), Nothing)

        If oState Is Nothing Then
            Exit Sub
        End If

        Dim oColor As Color = Nothing

        Select Case oState.ToString
            Case State.STATE_SUCCESS
                oColor = Color.LightGreen
            Case State.STATE_FAILURE
                oColor = Color.LightCoral
            Case State.STATE_WARNING
                oColor = Color.Yellow
            Case State.STATE_WAITING
                oColor = Color.LightSkyBlue
        End Select

        e.Appearance.BackColor = oColor
        e.Appearance.Options.UseBackColor = True
        e.Handled = False
    End Sub

    Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
        Dim oSQLConfig As New frmSQLConfig(LogConfig) With {
            .ConnectionString = ConfigManager.Config.ConnectionString
        }

        If oSQLConfig.ShowDialog() = DialogResult.OK Then
            ConfigManager.Config.ConnectionString = oSQLConfig.ConnectionString
            ConfigManager.Save()

            Database = New MSSQLServer(LogConfig, oSQLConfig.ConnectionString)

            LoadSearches()
        End If
    End Sub

    Private Sub BarButtonItem2_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnExportDetails.ItemClick
        If ActiveSQLResultGrid Is Nothing Then
            Exit Sub
        End If

        XtraSaveFileDialog1.Filter = "Excel Files (*.xlsx)|*.xlsx"
        XtraSaveFileDialog1.FileName = $"{ActiveSearch.Title}_Detail.xlsx"

        If XtraSaveFileDialog1.ShowDialog() = DialogResult.OK Then
            ActiveSQLResultGrid.ExportToXlsx(XtraSaveFileDialog1.FileName)
        End If
    End Sub

    Private Sub BarButtonItem3_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnExportMain.ItemClick
        If ActiveSearch Is Nothing Then
            Exit Sub
        End If

        XtraSaveFileDialog1.Filter = "Excel Files (*.xlsx)|*.xlsx"
        XtraSaveFileDialog1.FileName = $"{ActiveSearch.Title}.xlsx"

        If XtraSaveFileDialog1.ShowDialog() = DialogResult.OK Then
            If ActiveSearch.ReturnType = ReturnTypeEnum.TreeView Then
                TreeListResults.ExportToXlsx(XtraSaveFileDialog1.FileName)
            Else
                GridControlResults.ExportToXlsx(XtraSaveFileDialog1.FileName)
            End If

        End If
    End Sub

    Private Async Sub frmMonitor_KeyUp(sender As Object, e As KeyEventArgs) Handles Me.KeyUp
        If e.KeyCode = Keys.F5 Then
            Debug.Write("Debug.Write")
            Console.WriteLine("Console.WriteLine")
            Debug.Print("Debug.Print")
            Await LoadData()
        End If
    End Sub

    Private Sub TreeListResults_MouseClick(sender As Object, e As MouseEventArgs)
        Dim oInfo As TreeListHitInfo = TreeListResults.CalcHitInfo(New Point(e.X, e.Y))

        If oInfo.InRowCell Then
            Dim oNode = oInfo.Node
            Dim oValues As Dictionary(Of String, String) = GetValuesFromNode(oNode, DataColumns)
            Console.WriteLine()

            Dim oShouldToggleSQL = False
            Dim oShouldToggleFile = False

            For Each oValue As KeyValuePair(Of String, String) In oValues
                If oValue.Key.Contains("SELECT") AndAlso oValue.Value IsNot Nothing Then
                    oShouldToggleSQL = True
                    Exit For
                End If
            Next

            For Each oValue As KeyValuePair(Of String, String) In oValues
                If oValue.Key.Contains("DOCVIEW") AndAlso oValue.Value IsNot Nothing Then
                    oShouldToggleFile = True
                    Exit For
                End If

                If oValue.Key.Contains("HTML") AndAlso oValue.Value IsNot Nothing Then
                    oShouldToggleFile = True
                    Exit For
                End If
            Next

            If oShouldToggleSQL Then
                SplitContainerSQL.Collapsed = Not SplitContainerSQL.Collapsed
            End If

            If oShouldToggleFile Then
                SplitContainerFileHTML.Collapsed = Not SplitContainerFileHTML.Collapsed
            End If
        End If
    End Sub

    Private Sub BarButtonItem4_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnReloadSearches.ItemClick
        Try
            LoadSearches()

            TreeListResults.DataSource = Nothing
            GridControlResults.DataSource = Nothing
        Catch ex As Exception
            FormHelper.ShowErrorMessage(ex, "Suchen neu laden")
        End Try
    End Sub

    Private Sub GridViewResults_FocusedRowChanged(sender As Object, e As Views.Base.FocusedRowChangedEventArgs)
        If GridViewResults.FocusedRowHandle < 0 Then
            Exit Sub
        End If

        HideAllTabs()
        ActiveSQLResultGrid = Nothing

        Try
            Dim oRow As DataRow = GridViewResults.GetDataRow(GridViewResults.FocusedRowHandle)
            Dim oHtmlResultViewerIndex As Integer = 0
            Dim oGridResultIndex As Integer = 0
            Dim oViewerResultIndex As Integer = 0

            For Each oColumn As GridColumn In MarkedColumns

                Dim oValue = oRow.ItemEx(oColumn.FieldName, String.Empty)

                If oValue.Length > 0 Then

                    If oColumn.FieldName.EndsWith("[HTML]") Then

                        Dim oViewer As RichEditControl = HtmlResultViewers.Item(oHtmlResultViewerIndex)
                        Dim oTitle = oColumn.FieldName.Replace("[HTML]", "").Trim()
                        oHtmlResultViewerIndex += 1
                        FillResultHtmlViewer(oViewer, oValue, oTitle)
                        SplitContainerFileHTML.Collapsed = False

                    ElseIf oColumn.FieldName.EndsWith("[SQL]") Then

                        Dim oTable As DataTable = Database.GetDatatable(oValue)
                        If oTable Is Nothing Then
                            Continue For
                        End If

                        Dim oTitle = oColumn.FieldName.Replace("[SQL]", "").Trim()
                        Dim oGridControl As GridControl = SQLResultGrids.Item(oGridResultIndex)

                        If oGridResultIndex = 0 Then
                            ActiveSQLResultGrid = oGridControl
                        End If

                        oGridResultIndex += 1

                        FillResultGrid(oGridControl, oTable, oTitle)
                        SplitContainerSQL.Collapsed = False

                    ElseIf oColumn.FieldName.EndsWith("[FILENAME]") Then

                        If oValue Is Nothing Then
                            Continue For
                        End If

                        If Not IO.File.Exists(oValue) Then
                            Continue For
                        End If

                        Dim oViewer As DocumentViewer = FileResultViewers.Item(oViewerResultIndex)
                        Dim oTitle = oColumn.FieldName.Replace("[FILENAME]", "").Trim()

                        oViewerResultIndex += 1
                        FillResultViewer(oViewer, oValue, oTitle)
                        SplitContainerFileHTML.Collapsed = False

                    End If

                End If

            Next

            If ActiveSQLResultGrid Is Nothing Then
                btnExportDetails.Enabled = False
            Else
                btnExportDetails.Enabled = True
            End If

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

    Private Sub GridViewResults_ColumnFilterChanged(sender As Object, e As EventArgs)
        Dim oView As GridView = sender
        SetResultCount(oView.DataRowCount)
    End Sub

    Private Sub HideAllTabs()
        Dim oAllTabs = SQLResultTabs.
                Concat(FileResultTabs).
                Concat(HtmlResultTabs)
        For Each oTabPage In oAllTabs
            oTabPage.PageVisible = False
        Next

        SplitContainerSQL.Collapsed = True
        SplitContainerFileHTML.Collapsed = True
    End Sub

    Private Async Sub btnResetLayout_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles btnResetLayout.ItemClick
        If ActiveSearch IsNot Nothing Then
            Workspace.ResetWorkspace(ActiveSearch.Id.ToString)

            DisposeTreeList()
            InitTreeList()

            DisposeGrid()
            InitGrid()

            HideAllTabs()
            Await LoadData()

            SetResultCount(0)
        End If
    End Sub

    Private Sub DisposeGrid()
        GridViewResults.Dispose()
        GridViewResults = Nothing
        GridControlResults.Dispose()
        GridControlResults = Nothing
    End Sub

    Private Sub SetResultCount(pResults As Integer)
        lbResultCount.Caption = String.Format(lbResultCount.Tag, pResults)
    End Sub

    Private Sub InitGrid()
        GridControlResults = GridLoader.InitGrid()
        GridViewResults = DirectCast(GridControlResults.DefaultView, GridView)

        AddHandler GridViewResults.FocusedRowChanged, AddressOf GridViewResults_FocusedRowChanged
        AddHandler GridViewResults.ColumnFilterChanged, AddressOf GridViewResults_ColumnFilterChanged

        SplitContainerSQL.Panel1.Controls.Add(GridControlResults)
    End Sub

    Private Sub DisposeTreeList()
        TreeListResults.Dispose()
        TreeListResults = Nothing
    End Sub

    Private Sub InitTreeList()
        TreeListResults = GridLoader.InitTreeList()

        AddHandler TreeListResults.FocusedNodeChanged, AddressOf TreeListResults_FocusedNodeChanged
        AddHandler TreeListResults.MouseClick, AddressOf TreeListResults_MouseClick
        AddHandler TreeListResults.CustomDrawNodeCell, AddressOf TreeListResults_CustomDrawNodeCell

        SplitContainerSQL.Panel1.Controls.Add(TreeListResults)
    End Sub

    Private Sub BarButtonItem2_ItemClick_1(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem2.ItemClick
        If ActiveSearch Is Nothing Then
            Exit Sub
        End If

        Workspace.SaveWorkspace(ActiveSearch.Id.ToString)
    End Sub
End Class