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unit contactmanager;
{$IFDEF FPC}
{$mode objfpc}{$H+}
{$ENDIF}
interface
uses
model;
type
{ TContactManager }
TContactManager = class(TMarkObject)
private
FCityList: TCityList;
FContactList: TContactList;
FCountryList: TCountryList;
procedure PopulateCountries;
procedure PopulateCities;
function GenPhone: string;
public
constructor Create; override;
destructor Destroy; override;
procedure PopulateContacts;
published
property CountryList: TCountryList read FCountryList;
property CityList: TCityList read FCityList;
property ContactList: TContactList read FContactList;
end;
// Global singleton
function gContactManager: TContactManager;
implementation
uses
SysUtils;
var
uContactManager: TContactManager;
const
LastNames: array[1..10] of string = ('Geldenhuys', 'Botha', 'Johnson', 'Fourie',
'Louw', 'Bougas', 'van der Mescht', 'Waskanski', 'Welgens', 'Viljoen');
FirstNames: array[1..10] of string = ('Graeme', 'Johan', 'Debbie', 'Freda',
'Jack', 'Ryno', 'Dirkus', 'Angela', 'Denise', 'Daniel');
StreetNames: array[1..11] of string = ('Stellenberg Rd', 'Stellendal Rd',
'Abelia', 'Main Rd', 'Links Drive', 'Short Street',
'Long Street', 'Loop Street', 'Hillside Rd', 'Mountain Rd', 'Beach Drive');
function gContactManager: TContactManager;
begin
if not Assigned(uContactManager) then
uContactManager:= TContactManager.Create;
result:= uContactManager;
end;
{ TContactManager }
procedure TContactManager.PopulateCountries;
begin
FCountryList.Add(TCountry.CreateNew('za', 'South Africa'));
FCountryList.Add(TCountry.CreateNew('gb', 'Great Britain'));
FCountryList.Add(TCountry.CreateNew('uk', 'Ukrain'));
FCountryList.Add(TCountry.CreateNew('fr', 'France'));
FCountryList.Add(TCountry.CreateNew('us', 'United States'));
FCountryList.Add(TCountry.CreateNew('gr', 'Germany'));
end;
procedure TContactManager.PopulateCities;
var
c: TCity;
begin
c:= TCity.CreateNew;
c.Name:= 'Somerset West';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['za'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Cape Town';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['za'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Pretoria';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['za'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Durban';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['za'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'London';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['gb'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Watford';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['gb'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Frankfurt';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['gr'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'New York';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['us'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'San Fransisco';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['us'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Paris';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['fr'], True));
FCityList.Add(c);
c:= TCity.CreateNew;
c.Name:= 'Big City';
c.Country:= TCountry(FCountryList.FindByProps(['ISO'], ['uk'], True));
FCityList.Add(c);
end;
function TContactManager.GenPhone: string;
begin
result:= '+27 ' + IntToStr(Random(9)) + IntToStr(Random(9)) + ' '
+ IntToStr(Random(9)) + IntToStr(Random(9)) + IntToStr(Random(9)) + '-'
+ IntToStr(Random(9)) + IntToStr(Random(9)) + IntToStr(Random(9)) + IntToStr(Random(9));
end;
constructor TContactManager.Create;
begin
inherited Create;
FCountryList:= TCountryList.Create;
FCountryList.Owner:= self;
FCityList:= TCityList.Create;
FCityList.Owner:= self;
FContactList:= TContactList.Create;
FContactList.Owner:= self;
end;
destructor TContactManager.Destroy;
begin
FContactList.Free;
FCityList.Free;
FCountryList.Free;
inherited Destroy;
end;
procedure TContactManager.PopulateContacts;
var
C: TContact;
I,J: Integer;
A: TAddress;
begin
PopulateCountries;
PopulateCities;
for I:= 1 to 10 do
begin
C:= TContact.CreateNew;
C.FirstName:= FirstNames[I];
C.LastName := LastNames[I];
C.Mobile := GenPhone;
C.Email := LowerCase(FirstNames[i])+ '@freepascal.org';
for J:= 1 to 1+Random(2) do
begin
A:= TAddress.CreateNew;
A.Street := StreetNames[1+Random(10)];
A.Nr := Random(100)+1;
A.City := FCityList[Random(10)];
A.Fax := GenPhone;
A.Telephone1:= GenPhone;
If Random(2)>0 then
A.Telephone2:= GenPhone;
C.AddressList.Add(A);
end;
FContactList.Add(C);
end;
end;
initialization
uContactManager:= nil;
finalization
uContactManager.Free;
end.
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