QMYSQL Компонент

' This simply checks that you have a working MySQL server and lets you
' view some database fields.

$TYPECHECK ON
$INCLUDE "RAPIDQ.INC"

DECLARE SUB Button1Click (Sender AS QBUTTON)
DECLARE SUB DBListBoxClick (Sender AS QLISTBOX)
DECLARE SUB TableListBoxClick (Sender AS QLISTBOX)
DECLARE SUB SQLFormResize (Sender AS QFORM)

DIM Font AS QFONT
    Font.Name = "Courier"
DIM MySQL AS QMYSQL

    CREATE SQLForm AS QFORM
        Caption = "Connected"
        Width = 330
        Height = 300
        Center
        CREATE DBLabel AS QLABEL
            Caption = "Select a database:"
        END CREATE
        CREATE DBListBox AS QLISTBOX
            Top = 20
            Width = 150
            Height = 100
            OnClick = DBListBoxClick
        END CREATE
        CREATE TableListBox AS QLISTBOX
            Top = 20
            Left = 165
            Width = 150
            Height = 100
            OnClick = TableListBoxClick
        END CREATE
        CREATE FieldEdit AS QRICHEDIT
            Top = 130
            Width = SQLForm.ClientWidth
            Height = SQLForm.ClientHeight-130
            ReadOnly = TRUE
            WordWrap = FALSE
            PlainText = TRUE
            Font = Font
            ScrollBars = ssBoth
        END CREATE
        CREATE Grid AS QSTRINGGRID
            Top = 130
            Width = SQLForm.ClientWidth
            Height = SQLForm.ClientHeight-130
            AddOptions(goEditing)
        END CREATE
        OnResize = SQLFormResize
    END CREATE

CREATE Form AS QFORM
    Caption = "SQL Demo"
    Width = 230
    Height = 174
    Center
    CREATE Label1 AS QLABEL
        Caption = "Host:"
        Left = 44
        Top = 23
    END CREATE
    CREATE Label2 AS QLABEL
        Caption = "User name:"
        Left = 16
        Top = 50
        Width = 57
    END CREATE
    CREATE Label3 AS QLABEL
        Caption = "Password:"
        Left = 21
        Top = 79
        Width = 54
    END CREATE
    CREATE Edit1 AS QEDIT
        Text = ""
        Left = 83
        Top = 18
    END CREATE
    CREATE Edit2 AS QEDIT
        Text = ""
        Left = 83
        Top = 46
    END CREATE
    CREATE Edit3 AS QEDIT
        Text = ""
        Left = 83
        Top = 74
    END CREATE
    CREATE Button1 AS QBUTTON
        Caption = "&Ok"
        Left = 32
        Top = 112
        Kind = 1
        Default = 1
        NumBMPs = 2
        OnClick = Button1Click
    END CREATE
    CREATE Button2 AS QBUTTON
        Caption = "E&xit"
        Left = 118
        Top = 112
        Kind = 6
        NumBMPs = 2
    END CREATE
    ShowModal
END CREATE


SUB Button1Click
    DIM I AS INTEGER

    IF MySQL.Connect(Edit1.Text, Edit2.Text, Edit3.Text) = 0 THEN
       ShowMessage("Failed to connect to MySQL Server")
       EXIT SUB
    END IF

    FOR I = 0 TO MySQL.DBCount-1
        DBListBox.AddItems(MySQL.DB(I))
    NEXT

    SQLForm.ShowModal

    SUB DBListBoxClick (Sender AS QLISTBOX)

        IF Sender.ItemIndex < 0 THEN EXIT SUB
        IF MySQL.SelectDB(Sender.Item(Sender.ItemIndex)) = 0 THEN
            ShowMessage("Could not open "+Sender.Item(Sender.ItemIndex))
            EXIT SUB
        END IF

        TableListBox.Clear
        FOR I = 0 TO MySQL.TableCount-1
            TableListBox.AddItems(MySQL.Table(I))
        NEXT
    END SUB

    SUB TableListBoxClick (Sender AS QLISTBOX)
        DIM Str AS STRING, J AS INTEGER

        IF Sender.ItemIndex < 0 THEN EXIT SUB
        IF MySQL.Query("show columns from "+Sender.Item(Sender.ItemIndex)) = 0 THEN
            ShowMessage("Could not query "+Sender.Item(Sender.ItemIndex))
            EXIT SUB
        END IF

        FieldEdit.Clear
        Grid.ColCount = MySQL.FieldCount
        I = 0
        WHILE MySQL.FetchField
            Grid.Cell(I,0) = MySQL.Field.Name
            I++
        WEND

        Grid.RowCount = MySQL.RowCount+1
        IF MySQL.RowCount THEN
            J = 1
            WHILE MySQL.FetchRow
                MySQL.FieldSeek(0)
                FOR I=0 to MySQL.NumFields-1
                    Grid.Cell(I,J) = MySQL.Row(I)
                NEXT
                J++
            WEND
        END IF
    END SUB
END SUB

SUB SQLFormResize (Sender AS QFORM)
    Grid.Height = Sender.ClientHeight - Grid.Top
    Grid.Width = Sender.ClientWidth-1
    TableListBox.Width = Sender.ClientWidth-1 - TableListBox.Left
END SUB

IF MySQL.Connected THEN MySQL.Close
END