WIP: EDM Designer, create table

EDMDesigner/FrmMain.vb

@@ -8,37 +8,40 @@ Public Class FrmMain
     Private _logConfig As LogConfig
     Private DBFirebird As Firebird
 
-    Private Sub CreateTableNodesFromDatatable(dt As DataTable)
+    Private Sub CreateTableNodesFromDatatable(DataTable As DataTable, DatabaseName As String)
+        treeViewMain.Nodes.Clear()
+
         ' Node der Datenbank erstellen
-        Dim dbNode As New TreeNode With {
+        Dim oDbNode As New TreeNode With {
-            .Text = My.Settings.fbDatabaseLocation,
+            .Text = DatabaseName,
             .Name = "DATABASE"
         }
 
         ' Übernode für Tabellen erstellen
-        Dim tablesNode As New TreeNode With {
+        Dim oTablesNode As New TreeNode With {
             .Text = "Tabellen",
             .Name = "TABLES"
         }
 
         ' Nodes für Tabellen erstellen
-        Dim tableNodeList As New List(Of TreeNode)
+        Dim oTableNodeList As New List(Of TreeNode)
 
-        For Each row As DataRow In dt.Rows
+        For Each row As DataRow In DataTable.Rows
-            Dim node As New TreeNode With {
+            Dim oNode As New TreeNode With {
                 .Text = row.Item("TABLE"),
                 .Tag = row.Item("TABLE_ID")
             }
 
-            tableNodeList.Add(node)
+            oTableNodeList.Add(oNode)
         Next
 
         ' Nodes zusammenfügen
-        tablesNode.Nodes.AddRange(tableNodeList.ToArray)
+        oTablesNode.Nodes.AddRange(oTableNodeList.ToArray)
-        dbNode.Nodes.Add(tablesNode)
+        oDbNode.Nodes.Add(oTablesNode)
 
         ' Nodes einhängen
-        treeViewMain.Nodes.Add(dbNode)
+        treeViewMain.Nodes.Add(oDbNode)
+        treeViewMain.ExpandAll()
     End Sub
 
     Private Function LoadTables()
@@ -61,7 +64,8 @@ Public Class FrmMain
         'CurrentUser = New ClassCurrentUser(DBFirebird)
 
         Dim dt As DataTable = LoadTables()
-        CreateTableNodesFromDatatable(dt)
+        CreateTableNodesFromDatatable(dt, DBFirebird.DatabaseName)
+
     End Sub
 
     Private Sub FrmMain_Load(sender As Object, e As EventArgs) Handles Me.Load
@@ -99,6 +103,8 @@ Public Class FrmMain
                 Case "TABLES"
                     SelectedTable = e.Node.Tag
                     contextMenuTable.Show(MousePosition)
+                Case "DATABASE"
+                    contextMenuDatabase.Show(MousePosition)
             End Select
 
             treeViewMain.SelectedNode = e.Node
@@ -133,7 +139,10 @@ Public Class FrmMain
     End Sub
 
     Private Sub NeueTabelleToolStripMenuItem_Click(sender As Object, e As EventArgs) Handles NeueTabelleToolStripMenuItem.Click
-        Dim frm As New FrmNewTable(_logConfig.LogFactory)
+        Dim oForm As New FrmNewTable(_logConfig.LogFactory)
-        frm.ShowDialog()
+        oForm.ShowDialog()
+
+        Dim oTables As DataTable = LoadTables()
+        CreateTableNodesFromDatatable(oTables, DBFirebird.DatabaseName)
     End Sub
 End Class

EDMDesigner/FrmNewTable.Designer.vb

@@ -23,7 +23,7 @@ Partial Class FrmNewTable
     <System.Diagnostics.DebuggerStepThrough()> _
     Private Sub InitializeComponent()
         Me.btnOK = New System.Windows.Forms.Button()
-        Me.TextBox1 = New System.Windows.Forms.TextBox()
+        Me.txtTablename = New System.Windows.Forms.TextBox()
         Me.Label1 = New System.Windows.Forms.Label()
         Me.SuspendLayout()
         '
@@ -36,12 +36,12 @@ Partial Class FrmNewTable
         Me.btnOK.Text = "OK"
         Me.btnOK.UseVisualStyleBackColor = True
         '
-        'TextBox1
+        'txtTablename
         '
-        Me.TextBox1.Location = New System.Drawing.Point(12, 25)
+        Me.txtTablename.Location = New System.Drawing.Point(12, 25)
-        Me.TextBox1.Name = "TextBox1"
+        Me.txtTablename.Name = "txtTablename"
-        Me.TextBox1.Size = New System.Drawing.Size(374, 20)
+        Me.txtTablename.Size = New System.Drawing.Size(374, 20)
-        Me.TextBox1.TabIndex = 1
+        Me.txtTablename.TabIndex = 1
         '
         'Label1
         '
@@ -58,7 +58,7 @@ Partial Class FrmNewTable
         Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
         Me.ClientSize = New System.Drawing.Size(398, 98)
         Me.Controls.Add(Me.Label1)
-        Me.Controls.Add(Me.TextBox1)
+        Me.Controls.Add(Me.txtTablename)
         Me.Controls.Add(Me.btnOK)
         Me.Name = "FrmNewTable"
         Me.Text = "Neue Tabelle"
@@ -68,6 +68,6 @@ Partial Class FrmNewTable
     End Sub
 
     Friend WithEvents btnOK As Button
-    Friend WithEvents TextBox1 As TextBox
+    Friend WithEvents txtTablename As TextBox
     Friend WithEvents Label1 As Label
 End Class

EDMDesigner/FrmNewTable.vb

@@ -16,7 +16,7 @@ Public Class FrmNewTable
         _logger = _logFactory.GetCurrentClassLogger()
     End Sub
 
-    Private Sub FrmNewTable_Load(sender As Object, e As KeyEventArgs) Handles Me.Load
+    Private Sub FrmNewTable_Load(sender As Object, e As EventArgs) Handles Me.Load
         Try
             _db = New Firebird(_logFactory, My.Settings.fbDatasource, My.Settings.fbDatabaseLocation, My.Settings.fbUser, My.Settings.fbPassword)
         Catch ex As Exception
@@ -26,6 +26,26 @@ Public Class FrmNewTable
     End Sub
 
     Private Sub btnOK_Click(sender As Object, e As EventArgs) Handles btnOK.Click
+        Dim oTableName As String = txtTablename.Text
 
+        If oTableName.Trim() = String.Empty Then
+            MsgBox("Table name cannot be empty!", MsgBoxStyle.Exclamation)
+            Exit Sub
+        End If
+
+        Dim oExistingTableId = _db.GetScalarValue($"SELECT GUID FROM TBEDM_TABLE WHERE DESCRIPTION = '{oTableName}'")
+
+        If oExistingTableId IsNot Nothing Then
+            MsgBox("Table already exists!", MsgBoxStyle.Exclamation)
+            Exit Sub
+        End If
+
+        Dim oResult = _db.GetScalarValue($"SELECT FNCREATE_TABLE('{oTableName}','{Environment.UserName}') FROM rdb$database;")
+
+        If oResult >= 0 Then
+            Close()
+        Else
+            MsgBox("An error occurred while creating the table. Check the log", MsgBoxStyle.Critical)
+        End If
     End Sub
 End Class