unit DRuleList;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, VirtualTrees, Vcl.StdCtrls, Vcl.ExtCtrls,
  ManagerRule;

type
  TDlgRuleList = class(TForm)
    pnClient: TPanel;
    pnBottom: TPanel;
    btnOk: TButton;
    btnCancel: TButton;
    vtList: TVirtualStringTree;
    procedure vtListGetNodeDataSize(Sender: TBaseVirtualTree;
      var NodeDataSize: Integer);
    procedure vtListGetHint(Sender: TBaseVirtualTree; Node: PVirtualNode;
      Column: TColumnIndex; var LineBreakStyle: TVTTooltipLineBreakStyle;
      var HintText: string);
    procedure vtListFreeNode(Sender: TBaseVirtualTree; Node: PVirtualNode);
    procedure vtListGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
      Column: TColumnIndex; TextType: TVSTTextType; var CellText: string);
    procedure vtListCompareNodes(Sender: TBaseVirtualTree; Node1,
      Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
    procedure vtListHeaderClick(Sender: TVTHeader; HitInfo: TVTHeaderHitInfo);
    procedure btnOkClick(Sender: TObject);
  private
    { Private declarations }
    sChkRList_: String;
    procedure UpdateList;
  public
    { Public declarations }
    Constructor Create(aOwner: TComponent; sChkRList: String);
    property ChkRList: String read sChkRList_;
  end;

var
  DlgRuleList: TDlgRuleList;

implementation

uses
  Tocsg.VTUtil, ManagerService, VirtualTrees.Types, Tocsg.Safe, Tocsg.Strings;

resourcestring
  RS_CheckRule = '하나 이상의 컨텐츠 룰을 체크해 주십시오.';

{$R *.dfm}

Constructor TDlgRuleList.Create(aOwner: TComponent; sChkRList: String);
begin
  Inherited Create(aOwner);
  sChkRList_ := sChkRList;
  UpdateList;
end;

procedure TDlgRuleList.UpdateList;
var
  pNode: PVirtualNode;
  pData: PRuleEnt;
  i: Integer;
  ChkRList: TStringList;
begin
  if gMgSvc = nil then
    exit;

  Guard(ChkRList, TStringList.Create);
  SplitString(sChkRList_, ';', ChkRList);

  vtList.BeginUpdate;
  try
    VT_Clear(vtList);
    for i := 0 to gMgSvc.MgRule.CountRule - 1 do
    begin
      pData := VT_AddChildDataN(vtList, pNode);
      pData^ := gMgSvc.MgRule.RList[i]^;
      pNode.CheckType := ctCheckBox;
      if ChkRList.IndexOf(pData.sId) <> -1 then
        pNode.CheckState := csCheckedNormal;
    end;
  finally
    vtList.EndUpdate;
  end;
end;

procedure TDlgRuleList.vtListCompareNodes(Sender: TBaseVirtualTree; Node1,
  Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
begin
  case Column of
    1,
    2 : Result := CompareText(vtList.Text[Node1, Column], vtList.Text[Node2, Column]);
    3 :
    begin
      var pData1: PRuleEnt := Sender.GetNodeData(Node1);
      var pData2: PRuleEnt := Sender.GetNodeData(Node2);
      Result := pData1.nCnt - pData2.nCnt;
    end;
  end;
end;

procedure TDlgRuleList.vtListFreeNode(Sender: TBaseVirtualTree;
  Node: PVirtualNode);
var
  pData: PRuleEnt;
begin
  pData := Sender.GetNodeData(Node);
  Finalize(pData^);
end;

procedure TDlgRuleList.vtListGetHint(Sender: TBaseVirtualTree;
  Node: PVirtualNode; Column: TColumnIndex;
  var LineBreakStyle: TVTTooltipLineBreakStyle; var HintText: string);
begin
    HintText := vtList.Text[Node, Column];
end;

procedure TDlgRuleList.vtListGetNodeDataSize(Sender: TBaseVirtualTree;
  var NodeDataSize: Integer);
begin
  NodeDataSize := SizeOf(TRuleEnt);
end;

procedure TDlgRuleList.vtListGetText(Sender: TBaseVirtualTree;
  Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
  var CellText: string);
var
  pData: PRuleEnt;
begin
  pData := Sender.GetNodeData(Node);
  case Column of
    0 : CellText := IntToStr(Node.Index + 1);
    1 : CellText := pData.sRName;
    2 :
    begin
      case pData.RSeverity of
        rsLow    : CellText := 'LOW';
        rsNormal : CellText := 'NORMAL';
        rsHigh   : CellText := 'HIGH';
        else CellText := 'Unknown';
      end;
    end;
    3 :
    begin
      if pData.nCnt > 0 then
        CellText := IntToStr(pData.nCnt)
      else
        CellText := '1';
    end;
  end;
end;

procedure TDlgRuleList.vtListHeaderClick(Sender: TVTHeader;
  HitInfo: TVTHeaderHitInfo);
begin
  if HitInfo.Button = mbLeft then
  begin
    if HitInfo.Column < 0 then
      exit;

    with Sender, Treeview do
    begin
      if SortColumn > NoColumn then
        Columns[SortColumn].Options := Columns[SortColumn].Options + [coParentColor];

      if HitInfo.Column = 0 then
        SortColumn := NoColumn
      else
      begin
        if (SortColumn = NoColumn) or (SortColumn <> HitInfo.Column) then
        begin
          SortColumn := HitInfo.Column;
          SortDirection := sdAscending;
        end else
        if SortDirection = sdAscending then
          SortDirection := sdDescending
        else
          SortDirection := sdAscending;

        Columns[SortColumn].Color := $00EFEFEF;

        vtList.BeginUpdate;
        try
          vtList.SortTree(SortColumn, SortDirection, False);
        finally
          vtList.EndUpdate;
        end;
      end;
    end;
  end;
end;

procedure TDlgRuleList.btnOkClick(Sender: TObject);
var
  pNode: PVirtualNode;
  pData: PRuleEnt;
begin
  sChkRList_ := '';

  vtList.BeginUpdate;
  try
    pNode := vtList.GetFirst;
    while pNode <> nil do
    begin
      if pNode.CheckState = csCheckedNormal then
      begin
        pData := vtList.GetNodeData(pNode);
        SumString(sChkRList_, pData.sId, ';');
      end;

      pNode := vtList.GetNext(pNode);
    end;
  finally
    vtList.EndUpdate;
  end;

  if sChkRList_ = '' then
  begin
    MessageBox(Handle, PChar(RS_CheckRule), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

  ModalResult := mrOk;
end;

end.