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SqlCtrls

 

This package demostrates the use of SqlCtrls GUI-SQL dialog mapping class

 

 

 

 

SqlCtrls.h

 

#ifndef _SqlCtrls_SqlCtrls_h

#define _SqlCtrls_SqlCtrls_h

 

#include <CtrlLib/CtrlLib.h>

#include <SqlCtrl/SqlCtrl.h>

#include <plugin/sqlite3/Sqlite3.h>

 

using namespace Upp;

 

#define LAYOUTFILE <SqlCtrls/SqlCtrls.lay>

#include <CtrlCore/lay.h>

 

#define SCHEMADIALECT <plugin/sqlite3/Sqlite3Schema.h>

#define MODEL <SqlCtrls/Model.sch>

#include "Sql/sch_header.h"

 

class PersonsDlg : public WithPersonsLayout<TopWindow> {

    typedef PersonsDlg CLASSNAME;

 

 

    void Create();

    void Edit();

    void Remove();

 

public:

    PersonsDlg();

};

 

#endif

 

 

 

main.cpp

 

#include "SqlCtrls.h"

 

#ifdef _DEBUG

#include <Sql/sch_schema.h>

#endif

 

#include <Sql/sch_source.h>

 

struct PersonDlg : public WithPersonLayout<TopWindow> {

    typedef PersonDlg CLASSNAME;

 

    SqlCtrls ctrls;

 

    PersonDlg();

};

 

PersonDlg::PersonDlg()

{

    CtrlLayoutOKCancel(*this, "Person");

#ifdef flagSCH

    ctrls(*this, PERSON); // matches widgets to columns based on Layout and schema introspection

#else

    ctrls // "manual" variant

        (NAME, name)

        (LASTNAME, lastname)

        (AGE, age)

    ;

#endif

}

 

void PersonsDlg::Create()

{

    PersonDlg dlg;

    dlg.Title("New person");

    if(dlg.Execute() != IDOK)

        return;

    SQL * dlg.ctrls.Insert(PERSON);

    int id = SQL.GetInsertedId();

    list.ReQuery();

    list.FindSetCursor(id);

}

 

void PersonsDlg::Edit()

{

    int id = list.GetKey();

    if(IsNull(id))

        return;

    PersonDlg dlg;

    dlg.Title("Edit person");

    if(!dlg.ctrls.Load(PERSON, ID == id))

        return;

    if(dlg.Execute() != IDOK)

        return;

    SQL * dlg.ctrls.Update(PERSON).Where(ID == id);

    list.ReQuery();

    list.FindSetCursor(id);

}

 

void PersonsDlg::Remove()

{

    int id = list.GetKey();

    if(IsNull(id) || !PromptYesNo("Delete row?"))

        return;

    SQL * SqlDelete(PERSON).Where(ID == id);

    list.ReQuery();

}

 

PersonsDlg::PersonsDlg()

{

    CtrlLayout(*this, "Persons");

 

    create << THISFN(Create);

    edit << THISFN(Edit);

    remove << THISFN(Remove);

    

    list.SetTable(PERSON);

    list.AddKey(ID);

    list.AddColumn(NAME, "Name");

    list.AddColumn(LASTNAME, "Last Name");

    list.AddColumn(AGE, "Age");

    list.WhenLeftDouble = THISBACK(Edit);

    list.SetOrderBy(AGE, NAME);

    list.Query();

}

 

GUI_APP_MAIN

{

    Sqlite3Session sqlite3;

    if(!sqlite3.Open(GetHomeDirFile("persons.db"))) {

        LOG("Can't create or open database file\n");

        return;

    }

    sqlite3.SetTrace();

 

    SQL = sqlite3;

 

    // Update the schema to match the schema described in "Model.sch"

#ifdef _DEBUG

    SqlSchema sch(SQLITE3);

    All_Tables(sch);

    if(sch.ScriptChanged(SqlSchema::UPGRADE))

        SqlPerformScript(sch.Upgrade());

    if(sch.ScriptChanged(SqlSchema::ATTRIBUTES))

        SqlPerformScript(sch.Attributes());

    sch.SaveNormal();

#endif

 

    PersonsDlg().Run();

}

 

 

 

SqlCtrls.lay

 

LAYOUT(PersonLayout, 260, 116)

    ITEM(Label, dv___0, SetLabel(t_("First Name")).LeftPosZ(8, 60).TopPosZ(8, 21))

    ITEM(EditString, name, LeftPosZ(72, 180).TopPosZ(8, 19))

    ITEM(Label, dv___2, SetLabel(t_("Last Name")).LeftPosZ(8, 60).TopPosZ(32, 21))

    ITEM(EditString, lastname, LeftPosZ(72, 180).TopPosZ(32, 19))

    ITEM(Label, dv___4, SetLabel(t_("Age")).LeftPosZ(8, 60).TopPosZ(56, 20))

    ITEM(EditInt, age, LeftPosZ(72, 64).TopPosZ(56, 19))

    ITEM(Button, ok, SetLabel(t_("OK")).LeftPosZ(188, 64).TopPosZ(84, 24))

    ITEM(Button, cancel, SetLabel(t_("Storno")).LeftPosZ(116, 64).TopPosZ(84, 24))

END_LAYOUT

 

LAYOUT(PersonsLayout, 556, 324)

    ITEM(SqlArray, list, LeftPosZ(4, 548).TopPosZ(4, 288))

    ITEM(Button, edit, SetLabel(t_("Edit")).LeftPosZ(76, 64).TopPosZ(296, 24))

    ITEM(Button, remove, SetLabel(t_("Remove")).LeftPosZ(148, 64).TopPosZ(296, 24))

    ITEM(Button, create, SetLabel(t_("New")).LeftPosZ(4, 64).TopPosZ(296, 24))

END_LAYOUT

 

 

 

 

Model.sch

 

TABLE_(PERSON)

  INT_     (ID) PRIMARY_KEY

  STRING_  (NAME, 200)

  STRING_  (LASTNAME, 200)

  INT_     (AGE)

END_TABLE

 

 

 

 

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