This a sample about howto create a database Dbf edition program
Este es un Ejemplo de como crear un programa de edicion de base de datos DBF
Here we use a grid to display data , and the sample show how to create a grid , add items and delete it .
Aqui usamos un grid para presentar los datos , y el ejemplo muestra como crear el grid , agregar Items y borrarlos.
When the program starts ask tous if we like to start using a fresh database ( if we have deleted records or make a mistake )
Cuando el programa se inicia nos pregunta su queremos arrancar con una base de datos nueva ( por si hemos borrado registros o hemos cometido algun error )
In the next printscreen we se the use of a modal window to edit or create data
En el proximo pantallazo vemos el uso de una ventana modal para editar o cargar datos
Using Marinas-Ide DBF internal Tool to edit DBF
Usando la utilidad interna de Marinas para editar la DBF
Here you can see the source code
Aqui pueden ver el codigo fuente
Download Complete source Code with .MIP project file Clients.rar
Sample code clients.prg | |
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#include "marinas-gui.ch" #define DEMOTITLE "Multiplatform Demo System" REQUEST HB_LANG_ESWIN REQUEST HB_CODEPAGE_ESWIN Function Main () HB_CDPSELECT('ESWIN') HB_LANGSELECT('ESWIN') REQUEST DBFCDX , DBFFPT RDDSETDEFAULT( "DBFCDX" ) SET ENTERTAB .T. // Replace Minigui SET NAVIGATION EXTENDED lNewRecord := .F. ANNOUNCE RDDSYS REQUEST DBFCDX , DBFFPT RDDSETDEFAULT( "DBFCDX" ) SET FILECASE LOWER SET DIRCASE LOWER SET DELETE ON SET DECIMALS TO 3 SET FIXED ON SET DATE BRITISH SET DATE FORMAT TO "dd/mm/yyyy" SET SCOREBOARD OFF SET AUTOPEN OFF // Main Window Creation CREATE WINDOW d_window ROW 0 COL 0 WIDTH 800 HEIGHT 600 CAPTION DEMOTITLE ONINIT {|| mg_Set( "d_window" , "Style_Grid_1" , "value" , 1 ) } ONRELEASE {|| closebase() } ICON "resource/d_test.png" MAIN .T. mainmenu() mtoolbar() mstatusbar() creategrid() createbase() openbase() refresh() buttons() END WINDOW mg_Do( "d_window" , "center" ) mg_Do( "d_window" , "activate" ) Return .T. //Main menu creation function Function mainmenu() CREATE MAIN MENU OF d_window CREATE POPUP "&ABM" CREATE ITEM "New Record" ONCLICK new() ITEMNAME item1 FONTNAME "mg_monospace" PICTURE "resource/d_test.png" END ITEM CREATE ITEM "Edit Record" ONCLICK edit() FONTNAME "mg_monospace" PICTURE "resource/d_test.png" END ITEM SEPARATOR CREATE ITEM "Delete Record" ONCLICK DeleteItem() FONTNAME "mg_monospace" CHECKED .T. END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem 1" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE ITEM "SubItem 2" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM CREATE ITEM "SubItem 3" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem of SubItem 4" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem 1" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE ITEM "SubItem 2" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM CREATE ITEM "SubItem 3" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem of SubItem 4" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM END POPUP CREATE ITEM "SubItem 5" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM SEPARATOR CREATE ITEM "SubItem 6" ONCLICK mg_MsgInfo( "SubItem2 Clicked" ) END ITEM END POPUP SEPARATOR END POPUP CREATE ITEM "SubItem 5" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM SEPARATOR CREATE ITEM "SubItem 6" ONCLICK mg_MsgInfo( "SubItem2 Clicked" ) END ITEM END POPUP SEPARATOR CREATE ITEM "Item 5" ONCLICK mg_MsgInfo( "Click from Item 5" ) END ITEM SEPARATOR CREATE ITEM "Exit" ONCLICK mg_Do( mg_GetLastActivatedWindowName() , "release" ) PICTURE "resource/d_test_stop.png" END ITEM END POPUP CREATE POPUP "M&enu 2" CREATE ITEM "Item 1" ONCLICK mg_MsgInfo( "Click from Item 1" ) PICTURE "resource/d_test.png" END ITEM CREATE ITEM "Item 2" ONCLICK mg_MsgInfo( "Click from Item 2" ) END ITEM CREATE ITEM "Item 3 (CheckMark)" ONCLICK mg_MsgInfo( "Click from Item 3" ) END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem 1" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE ITEM "SubItem 2" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM CREATE ITEM "SubItem 3" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM CREATE POPUP "More..." CREATE ITEM "SubItem of SubItem 4" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM END POPUP CREATE ITEM "SubItem 5" ONCLICK mg_MsgInfo( "SubItem Clicked" ) END ITEM SEPARATOR CREATE POPUP "More2..." CREATE ITEM "SubItem of SubItem 4" ONCLICK mg_MsgInfo( "SubItem Clicked" ) PICTURE "resource/d_test.png" END ITEM END POPUP CREATE ITEM "SubItem 6" ONCLICK mg_MsgInfo( "SubItem2 Clicked" ) END ITEM END POPUP SEPARATOR CREATE ITEM "Item 5" ONCLICK mg_MsgInfo( "Click from Item 5" ) PICTURE "resource/d_test.png" END ITEM END POPUP CREATE POPUP "&Help" CREATE ITEM "About" ONCLICK { || mg_MsgInfo("Marinas Version : "+mg_Version() ) } PICTURE "resource/d_test.png" END ITEM END POPUP END MENU Return .T. // Toolbar creation function Function mtoolbar() CREATE TOOLBAR myTollbar TOOLTIP "ToolBar ToolTip" CREATE TOOLBUTTON ToolBar_Button_1 CAPTION "Exit Demo" TOOLTIP "Button Exit Tooltip" ONCLICK mg_Do( "d_window" , "release" ) PICTURE "resource/d_test_stop.png" END TOOLBUTTON TOOLBARSEPARATOR CREATE TOOLBUTTON ToolBar_Button_2 CAPTION "Data Entry" TOOLTIP "Start Modal Window" ONCLICK new() PICTURE "resource/d_window_modal.png" END TOOLBUTTON TOOLBARSEPARATOR CREATE TOOLBUTTON ToolBar_Button_4 CAPTION "About" TOOLTIP "Button About Tooltip" ONCLICK mg_MsgInfo( mg_Version() ) PICTURE "resource/d_test.png" END TOOLBUTTON TOOLBARSEPARATOR END TOOLBAR Return .T. // StatusBar creation function Function mstatusbar() CREATE STATUSBAR CAPTION "Marinas-Gui StatusBar Ready !!!" TOOLTIP "StatusBar ToolTip" END STATUSBAR Return .T. // Edit window ( modal ) // Save new or edited data , depends on lNewRecord variable Function SaveData() if (lNewRecord) clients->(Dbappend()) endif clients->(DbRlock()) clients->codigo := val(mg_Get("Modal_1","text_1","value")) clients->Nombre := mg_Get("Modal_1","text_2","value") clients->Telefono := mg_Get("Modal_1","text_3","value") clients->Direccion := mg_Get("Modal_1","text_4","value") clients->Ciudad := mg_Get("Modal_1","text_5","value") clients->Fecha := CTOD(mg_Get("Modal_1","text_6","value")) clients->(DBcommit()) clients->(DbRunlock()) refresh() mg_Do("Modal_1","Release") return .T. // Funcion que crea el Grid para el despligue de los datos de la base clientes Function CreateGrid() CREATE GRID Style_Grid_1 ROW 20 COL 40 WIDTH 680 HEIGHT 300 VALUE 1 COLUMNWIDTHALL {30,60,150,90,120,120,90} COLUMNALIGNALL {"Qt_AlignRight","CENTER","CENTER","CENTER","CENTER","CENTER","CENTER"} BACKCOLOR {255,223,255} SELECTIONBACKCOLOR {255,0,0} COLUMNHEADERALL {'Rec','Code','Name','Telephone ','Adress','City','Start Date'} END GRID return .T. // Main window edit button's creation function buttons() CREATE BUTTON Style_Button_4 ROW 450 COL 540 WIDTH 60 HEIGHT 28 CAPTION "New" ONCLICK new() END BUTTON CREATE BUTTON Style_Button_5 ROW 450 COL 620 WIDTH 60 HEIGHT 28 CAPTION "Edit" ONCLICK Edit() END BUTTON CREATE BUTTON Style_Button_6 ROW 450 COL 700 WIDTH 60 HEIGHT 28 CAPTION "Delete" ONCLICK DeleteItem() END BUTTON return .T. // Database Creation if not exist Function createbase() local aStruct := { ; { "codigo", "N", 5, 0 }, ; { "nombre", "C", 30, 0 }, ; { "telefono", "C", 13, 0 }, ; { "direccion", "C", 30, 0 }, ; { "ciudad", "C", 30, 0 }, ; { "fecha", "D", 8, 0 } ; } local aData := { ; {10001,"Bruno Luciani","0054349588585","Colon 2323","Ramallo",date()}, ; {10002,"Carozo de Quilmes","0054382390849","España 321","Quilmes",date()}, ; {10003,"Massimo Belgrano","003489384988","Via benneto 456","Roma",date()}, ; {10004,"Francesco Perillo","004568989899","Via Romana 8989","Florence",date()}; } if file("clients.dbf") if mg_msgyesno("Do you like to start using a fresh database ?") delete file ("clients.dbf") delete file ("clients.cdx") endif endif if !file("clients.dbf") dbCreate("clients", aStruct ) use clients for x:=1 to 4 clients->(dbappend()) clients->codigo:=aData[x,1] clients->nombre:=aData[x,2] clients->telefono:=aData[x,3] clients->direccion:=aData[x,4] clients->ciudad:=aData[x,5] clients->fecha:=aData[x,6] clients->(dbcommit()) next close clients endif return .T. ///////////////// Function new() lNewRecord:= .T. load() refresh() return // Data edit function function edit() lNewRecord := .F. load() refresh() return Function load() local item_grid:=array(0) if !(lNewRecord) registro:=mg_Get("d_window","Style_Grid_1","value") if registro=0 mg_msginfo("You need to select an item to edit","Error Editing !") return endif item_grid:=item_grid:=mg_Get( "d_window" , "Style_Grid_1" , "item" , registro ) go item_grid[1] endif CREATE WINDOW Modal_1 ROW 0 ; COL 0 WIDTH 400 ; HEIGHT 300 CAPTION "Data Entry "+" - " + Time() BACKCOLOR { 219 , 244 , 208 } MODAL .T. CREATE KEY Plus ACTION {|| mg_Do( cWin , "Style_Button_1" , "ONCLICK" ) } END KEY CREATE FRAMEBOX Style_Frame_1 ROW 5 COL 10 WIDTH 375 HEIGHT 275 CAPTION "Client" END FRAMEBOX CREATE BUTTON Style_Button_1 ROW 230 COL 310 WIDTH 60 HEIGHT 28 CAPTION "Save" ONCLICK SaveData() END BUTTON * Aca van los textbox CREATE LABEL Label_1 ROW 20 COL 20 VALUE "Code:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_1 ROW 20 COL 80 WIDTH 100 HEIGHT 24 ALIGN Qt_AlignRight TOOLTIP "Client Number" UPPERCASE .T. MAXLENGTH 5 * BACKCOLOR {0,0,0,} * VALUE "" END TEXTBOX CREATE LABEL Label_2 ROW 50 COL 20 VALUE "Name:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_2 ROW 50 COL 80 WIDTH 200 HEIGHT 24 ALIGN Qt_AlignLeft TOOLTIP "Client Name" UPPERCASE .T. MAXLENGTH 30 * BACKCOLOR {0,0,0,} * VALUE "" END TEXTBOX CREATE LABEL Label_3 ROW 80 COL 20 VALUE "Telephone:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_3 ROW 80 COL 80 WIDTH 150 HEIGHT 24 ALIGN Qt_AlignLeft TOOLTIP "Client Telephone" UPPERCASE .T. MAXLENGTH 13 * BACKCOLOR {0,0,0,} * VALUE "" END TEXTBOX CREATE LABEL Label_4 ROW 110 COL 20 VALUE "Adress:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_4 ROW 110 COL 80 WIDTH 300 HEIGHT 24 ALIGN Qt_AlignLeft TOOLTIP "Client Adress" UPPERCASE .T. MAXLENGTH 30 * BACKCOLOR {0,0,0,} * VALUE "" END TEXTBOX CREATE LABEL Label_5 ROW 140 COL 20 VALUE "City:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_5 ROW 140 COL 80 WIDTH 300 HEIGHT 24 ALIGN Qt_AlignLeft TOOLTIP "Client city" UPPERCASE .T. MAXLENGTH 30 * BACKCOLOR {0,0,0,} * VALUE "" END TEXTBOX CREATE LABEL Label_6 ROW 170 COL 20 VALUE "Fecha Ing.:" AUTOSIZE .T. TRANSPARENT .F. TOOLTIP "Label Tooltip" END LABEL CREATE TEXTBOX Text_6 ROW 170 COL 80 WIDTH 100 HEIGHT 24 ALIGN Qt_AlignRight TOOLTIP "Client start date " UPPERCASE .T. MAXLENGTH 8 * BACKCOLOR {0,0,0,} VALUE dtoc(date()) END TEXTBOX if !(lNewRecord) mg_Set("Modal_1","text_1","value",str(Clients->Codigo)) mg_Set("Modal_1","text_2","value",clients->Nombre) mg_Set("Modal_1","text_3","value",clients->Telefono) mg_Set("Modal_1","text_4","value",clients->Direccion) mg_Set("Modal_1","text_5","value",clients->Ciudad) mg_Set("Modal_1","text_6","value",Dtoc(clients->Fecha)) endif mg_Do("Modal_1","text_1","setfocus") END WINDOW mg_Do( "Modal_1" , "center" ) mg_Do( "Modal_1" , "activate" ) return .T. // Open base function and index check function openbase() use clients alias clients if !FILE("clients.cdx") index on Nombre tag nom to clients.cdx endif return .T. // close database on main window release function closebase() close clients mg_MsgInfo( "Base Closed" , "Base") return .T. // Grid Data Refresh function refresh() local data:={} mg_Do("d_window","Style_Grid_1","deleteallitems") clients->(dbgotop()) DO while .NOT. clients->(eof()) data:={recno(),str(clients->codigo),clients->nombre,clients->telefono,clients->direccion,clients->ciudad,dtoc(clients->fecha)} mg_Do("d_window","Style_Grid_1","additem",data) clients->(Dbskip()) enddo return .T. // Item delete from Database function function DeleteItem() local item_grid:=array(0) registro:=mg_Get("d_window","Style_Grid_1","value") *mg_msginfo(str(registro)) if registro=0 mg_msginfo("You need to select an Item to delete","Error deleting !") return endif select clients item_grid:=mg_Get( "d_window" , "Style_Grid_1" , "item" , registro ) mg_msginfo("You try to delete Client "+hb_osnewline()+"Client: "+item_grid[3]) go item_grid[1] clients->(dbrlock()) delete clients->(dbunlock()) *mg_Do("d_window","Style_Grid_1","deleteitem",registro) refresh() return |