unit StaffDm;

interface

uses
  SysUtils, Classes, DB, DBClient, Provider, ADODB;

type
  TStaffData = class(TDataModule)
    atStaff: TADOTable;
    dspStaff: TDataSetProvider;
    cdsStaff: TClientDataSet;
    cdsStaffPhaseID: TIntegerField;
    cdsStaffStageID: TIntegerField;
    cdsStaffCompany: TWideStringField;
    cdsStaffRole: TWideStringField;
    cdsStaffName: TWideStringField;
    cdsStaffLocked: TBooleanField;
    cdsStaffView: TClientDataSet;
    cdsStaffViewPhaseID: TIntegerField;
    cdsStaffViewStageID: TIntegerField;
    cdsStaffViewCompany: TWideStringField;
    cdsStaffViewRole: TWideStringField;
    cdsStaffViewName: TWideStringField;
    cdsStaffViewLocked: TBooleanField;
    cdsStaffUpdate: TClientDataSet;
    cdsStaffUpdatePhaseID: TIntegerField;
    cdsStaffUpdateStageID: TIntegerField;
    cdsStaffUpdateCompany: TWideStringField;
    cdsStaffUpdateRole: TWideStringField;
    cdsStaffUpdateName: TWideStringField;
    cdsStaffUpdateLocked: TBooleanField;
    cdsStaffEnable: TBooleanField;
    cdsStaffViewEnable: TBooleanField;
    cdsStaffUpdateEnable: TBooleanField;
    procedure cdsStaffViewStageIDGetText(Sender: TField; var Text: String;
      DisplayText: Boolean);
  private
    FProjectData: TObject;
    procedure InitStaffData(APhaseIndex: Integer);
    procedure CopyStaffData(APhaseIndex, AStageIndex: Integer);
  public
    constructor Create(AProjectData: TObject);
    destructor Destroy; override;

    procedure Open(AConnection: TADOConnection);
    procedure Close;
    procedure Save;

    procedure UpdateDataForNewPhase;
    procedure UpdateDataForNewAudit;
    procedure LockedDataForAudit;
    procedure LockedDataForReply;
    procedure ResetViewFilter(APhaseIndex: Integer);

    function FinalStaffCompany: string;
  end;

implementation

uses
  ProjectData;

{$R *.dfm}

{ TStaffData }

constructor TStaffData.Create(AProjectData: TObject);
begin
  FProjectData := AProjectData;
  inherited Create(nil);
end;

destructor TStaffData.Destroy;
begin
  inherited;
end;

procedure TStaffData.InitStaffData(APhaseIndex: Integer);
var
  iStage: Integer;
begin
  for iStage := 0 to 9 do
  begin
    cdsStaff.Append;
    cdsStaffPhaseID.AsInteger := APhaseIndex;
    cdsStaffStageID.AsInteger := iStage;
    cdsStaffLocked.AsBoolean := False;
    cdsStaffEnable.AsBoolean := iStage = 0;
    cdsStaff.Post;
  end;
end;

procedure TStaffData.Open(AConnection: TADOConnection);
begin
  atStaff.Connection := AConnection;
  cdsStaff.Open;
  cdsStaff.IndexFieldNames := 'PhaseID;StageID';
  cdsStaffView.CloneCursor(cdsStaff, True);
  cdsStaffUpdate.CloneCursor(cdsStaff, True);
end;

procedure TStaffData.ResetViewFilter(APhaseIndex: Integer);
begin
  cdsStaffView.DisableControls;
  try
    cdsStaffView.Filtered := False;
    cdsStaffView.Filter := 'PhaseID = ' + IntToStr(APhaseIndex);
    cdsStaffView.Filtered := True;
  finally
    cdsStaffView.EnableControls;
  end;
end;

procedure TStaffData.Save;
begin
  cdsStaff.ApplyUpdates(0);
end;

procedure TStaffData.UpdateDataForNewPhase;
var
  iPhaseCount: Integer;
begin
  iPhaseCount := TProjectData(FProjectData).ProjProperties.PhaseCount;
  InitStaffData(iPhaseCount);
  CopyStaffData(iPhaseCount, 0);
end;

procedure TStaffData.cdsStaffViewStageIDGetText(Sender: TField;
  var Text: String; DisplayText: Boolean);
begin
  if Sender.AsInteger = 0 then
    Text := 'Ô­±¨'
  else if Sender.AsInteger > 0 then
    Text := Format('%dÉó', [Sender.AsInteger]);
end;

procedure TStaffData.UpdateDataForNewAudit;
begin
  with TProjectData(FProjectData) do
    CopyStaffData(PhaseIndex, ProjProperties.AuditStatus);
end;

procedure TStaffData.LockedDataForAudit;
begin
  with TProjectData(FProjectData) do
    if cdsStaff.FindKey([ProjProperties.PhaseCount, ProjProperties.AuditStatus]) then
    begin
      cdsStaff.Edit;
      cdsStaffLocked.AsBoolean := True;
      cdsStaff.Post;
    end;
end;

procedure TStaffData.LockedDataForReply;
begin
  cdsStaff.Filter := 'PhaseID = ' + IntToStr(TProjectData(FProjectData).PhaseIndex);
  cdsStaff.Filtered := True;
  try
    cdsStaff.First;
    while not cdsStaff.Eof do
    begin
      cdsStaff.Edit;
      cdsStaffLocked.AsBoolean := True;
      cdsStaff.Post;
      cdsStaff.Next;
    end;
  finally
    cdsStaff.Filtered := False;
  end;
end;

function TStaffData.FinalStaffCompany: string;
begin
  with TProjectData(FProjectData) do
    if cdsStaff.FindKey([ProjProperties.PhaseCount, ProjProperties.AuditStatus]) then
      Result :=  cdsStaffCompany.AsString;
end;

procedure TStaffData.CopyStaffData(APhaseIndex, AStageIndex: Integer);
begin
  if cdsStaff.FindKey([APhaseIndex, AStageIndex]) then
  begin
    cdsStaff.Edit;
    if cdsStaffUpdate.FindKey([APhaseIndex-1, AStageIndex]) then
    begin
      cdsStaffCompany.AsString := cdsStaffUpdateCompany.AsString;
      cdsStaffRole.AsString := cdsStaffUpdateRole.AsString;
      cdsStaffName.AsString := cdsStaffUpdateName.AsString;
    end;
    cdsStaffEnable.AsBoolean := True;
    cdsStaff.Post;
  end;
end;

procedure TStaffData.Close;
begin
  cdsStaff.Close;
end;

end.