PWCT 1.9 Art Documentation ( http://doublesvsoop.sourceforge.net )

2006-2019, Mahmoud Fayed ( msfclipper@users.sourceforge.net )

_____________________________________________________________________________________

Table of contents

1 - Introduction

2 - Implementation steps

3 - Final Steps Tree

4 - Application during the runtime

1 - Introduction

In this lesson we are going to learn how to add a combobox to our search window to select the search column.

2 - Implementation Steps

Open CustomersBrowse.SSF

Fig. 1

Fig. 2

Open method ShowWindow

Fig. 3

Fig. 4

Delete label Lbl1

Fig. 5

Fig. 6

Add new combobox to the window

Fig. 7

Fig. 8

Fig. 9

Fig. 10

Fig. 11

Declare and define method SetColumn

Fig. 12

Fig. 13

Fig. 14

Fig. 15

Fig. 16

Fig. 17

Fig. 18

Fig. 19

Fig. 20

Fig. 21

Fig. 22

Fig. 23

Press Ctrl+R to generate the source code file CustomersBrowse.PRG

Fig. 24

Fig. 25

3 - Final Steps Tree

===========================

CustomersBrowse.SSF

===========================

Set Class Name & Window Name

                PWCT-Code Generator: Replace String (MyClassName) with (CustomersBrowseClass)

                PWCT-Code Generator: Replace String (MyWindowName) with (&(self:cWindowName))

Class

                Define Class MyClassName From SystemDatabase

                                Declare Class Data

                                                Data cWindowName Init Value "CustomersBrowseWindow"

                                                ********************************* Record Data Here **********************************

                                                                Data tablename Init Value "Customers"

                                                                Data column Init Value "CustName"

                                                                Data PrimaryKey Init Value "id"

                                                                Data columns Init Value {"CustName","CustPhone"}

                                                                Data columnstitles Init Value {"Name","Phone"}

                                                                Data columnswidths Init Value {200,100}

                                Declare Class Methods

                                                Method showwindow

                                                Method closewindow

                                                Method OpenDataWindow

                                                Method showdatawindow

                                                Method print

                                                Method BeforeSearch

                                                Method SearchAdd

                                                Method settimer

                                                Method GetSearchValue

                                                Method SetColumn

                                End of Class

                                ******************************** Methods To Customize *******************************

                                                Define Method showwindow Class MyClassName

                                                                Start Here

                                                                                Define New Window ( MyWindowName ) , Title : "Search/Browse Window"

                                                                                                Window Events

                                                                                                                Event: ON INIT : Action self:Search()

                                                                                                Window Properties

                                                                                                Window Controls

                                                                                                                Define New Image ( image1 ) , Image : "Image\back.jpg"

                                                                                                                                Events

                                                                                                                                Properties

                                                                                                                Define TextBox ( textName )

                                                                                                                                TextBox EVENTS

                                                                                                                                TextBox Properties

                                                                                                                Define New Button ( btn1 ) , Caption : "Search"

                                                                                                                                Button Events

                                                                                                                                                Event: ON CLICK : Action self:search()

                                                                                                                                Button Properties

                                                                                                                Define New Button ( btnclose ) , Caption : "Close"

                                                                                                                                Button Events

                                                                                                                                                Event: ON CLICK : Action self:closewindow()

                                                                                                                                Button Properties

                                                                                                                Define New Grid ( Grid1 ) , HEADERS : self:columnstitles

                                                                                                                                Events

                                                                                                                                                Event: ON DBLCLICK : Action self:OpenDataWindow

                                                                                                                                Properties

                                                                                                                Define Combobox ( comboFind ) , Items : self:ColumnsTitles

                                                                                                                                Combobox Events

                                                                                                                                                Event: ON CHANGE : Action self:SetColumn()

                                                                                                                                Combobox Properties

                                                                                                End Of Window

                                                                                                MyWindowName.Center ( )

                                                                                                Activate window

                                                                End of Method (Return 0)

                                                Define Method ShowDataWindow(nValue) Class MyClassName

                                                                Start Here

                                                                                CustomersDataObject.LFindRecord = true

                                                                                CustomersDataObject.CFindExpr = self:primarykey+"= '"+self:resultprimarykeys[nvalue]+"' "

                                                                                myout = CustomersDataObject.ShowWindow()

                                                                End of Method (Return 0)

                                                Define Method Print Class MyClassName

                                                                Start Here

                                                                                Local cName,myout

                                                                                cName = MyWindowName.textName.Value

                                                                                cName = All Trim cName

                                                                                IF ( .not. empty(cName) )

                                                                                                Start Here

                                                                                                END OF IF STATEMENT

                                                                End of Method (Return 0)

                                                Define Method SetColumn Class MyClassName

                                                                Start Here

                                                                                Local nIndex

                                                                                nIndex = MyWindowName.ComboFind.Value

                                                                                Self.Column = self:Columns[nIndex]

                                                                End of Method (Return 0)

                                Class Methods

                                                Define Method closewindow Class MyClassName

                                                                Start Here

                                                                                MyWindowName.Release ( )

                                                                End of Method (Return 0)

                                                Define Method OpenDataWindow Class MyClassName

                                                                Start Here

                                                                                Local nvalue,myout

                                                                                nvalue = MyWindowName.grid1.Value

                                                                                IF ( nvalue > 0 )

                                                                                                Start Here

                                                                                                                myout = self.ShowDataWindow(nvalue)

                                                                                                END OF IF STATEMENT

                                                                End of Method (Return 0)

                                                Define Method BeforeSearch Class MyClassName

                                                                Start Here

                                                                                MyWindowName.grid1.DeleteAllItems ( )

                                                                                MyWindowName.grid1.Value := 0

                                                                End of Method (Return 0)

                                                Define Method SearchAdd(temp_array) Class MyClassName

                                                                Start Here

                                                                                MyWindowName.grid1.AddItem ( temp_array )

                                                                End of Method (Return 0)

                                                Define Method SetTimer(p1) Class MyClassName

                                                                Start Here

                                                                                MyWindowName.Timer1.Enabled := p1

                                                                End of Method (Return 0)

                                                Define Method GetSearchValue Class MyClassName

                                                                Start Here

                                                                                cName = MyWindowName.textName.Value

                                                                End of Method (Return cName)

4 - Application during the runtime

Fig. 26

Fig. 27

Fig. 28

Fig. 29