unit main;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Menus, ExtCtrls, SPComm, ComCtrls, ToolWin, ImgList, StdCtrls,
	RzPanel, RzButton, Buttons,  cmdHeader,DBCtrls, Mask, Registry,DB, ADODB, Grids, DBGrids,
  RzGrids, RzBorder, RzLabel, RzEdit, RzDTP;
type
	TUnitDevice=Record
		PWSUint:integer;
		PWSName:string[25];
		Addr:integer;
		Name:string[25];
		Value,
		Max,
		Min:word;
		CommErr:string[25];
		Enabled:boolean;
	end;
	TProjectInfo=record
		prjName,  //SaveDataTime, ComPort, BaundRate
		cPort,
		Baud:string;
    sTime, // 保存時間長度間隔多少分鐘  最短５分鐘
		defWin:integer;
    SavDataTime:TDateTime;//保存數據的時間坐標
	end;
	TSynComm=record  				//設備采樣同步標志體
		CommErrCount:integer; //設備通訊失敗計數器
		CurrentAddr,					//當前通訊地址
		CurrentUnit:integer;  //當前PWS單元號
		NextAddr:Boolean;			//是否允許采集下個地址信息
		U_ID:integer;				  //巡檢計數器標志
	end;
	TfrmMain = class(TForm)
    Comm1: TComm;
    Timer1: TTimer;
    meuMain: TMainMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    N5: TMenuItem;
    N7: TMenuItem;
    N8: TMenuItem;
    N10: TMenuItem;
    N11: TMenuItem;
    N12: TMenuItem;
    N19: TMenuItem;
    N20: TMenuItem;
    SB1: TStatusBar;
    imgList: TImageList;
    RzToolbar1: TRzToolbar;
    btnToolLogin: TRzToolButton;
    RzSpacer1: TRzSpacer;
    btnStart: TRzToolButton;
    btnStop: TRzToolButton;
    RzSpacer2: TRzSpacer;
    RzSpacer3: TRzSpacer;
    btnClose: TRzToolButton;
    Panel1: TPanel;
    BitBtn1: TBitBtn;
    DataSource1: TDataSource;
    adoDBSrc: TADODataSet;
    DBGrid2: TDBGrid;
    Bevel2: TBevel;
    Bevel1: TBevel;
    Image1: TImage;
    Label1: TLabel;
    Label2: TLabel;
    lblConfig: TLabel;
    N9: TMenuItem;
    meuStart: TMenuItem;
    N25: TMenuItem;
    meuStop: TMenuItem;
    RzSpacer4: TRzSpacer;
    Panel3: TPanel;
    PB1: TProgressBar;
    lblRecived: TEdit;
    Panel2: TPanel;
    Bevel3: TBevel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    lblFirstRun: TLabel;
    edtPwd: TEdit;
    cbxUser: TComboBox;
    btnLogin: TButton;
    btnLogCancel: TButton;
    Panel4: TPanel;
    GroupBox1: TGroupBox;
    Label9: TLabel;
    Label10: TLabel;
    RzLabel1: TRzLabel;
    RzLEDDisplay1: TRzLEDDisplay;
    GroupBox2: TGroupBox;
    GroupBox3: TGroupBox;
    trvAllDev: TTreeView;
    Label6: TLabel;
    Label7: TLabel;
    edtDecStatus: TEdit;
    Bevel4: TBevel;
    Bevel5: TBevel;
    TrayIcon1: TTrayIcon;
    meoRunEvent: TRzMemo;
    txtUnitNo: TStaticText;
    txtDevName: TStaticText;
    txtDevAddrName: TStaticText;
    N6: TMenuItem;
    meuSereach: TMenuItem;
    RzURLLabel1: TRzURLLabel;
    Timer2: TTimer;
    procedure Timer2Timer(Sender: TObject);
    procedure meuSereachClick(Sender: TObject);
    procedure btnToolLoginClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure btnLogCancelClick(Sender: TObject);
    procedure lblRecivedChange(Sender: TObject);
    procedure Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
      BufferLength: Word);
    procedure Timer1Timer(Sender: TObject);
    procedure meuStopClick(Sender: TObject);
    procedure meuStartClick(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
    procedure btnLoginClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure N10Click(Sender: TObject);
    procedure N8Click(Sender: TObject);
    procedure N7Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure N5Click(Sender: TObject);
	private
    procedure savDataFromTreeNode;
		procedure prcmenu(meuInfo,DBSql:string);
		function  CheckUser:boolean;
		procedure SetCommPort(cPort,Baud:string);//配置通訊端口
		procedure DrawTreeNode;
    procedure DrawTreeNodeValue;
    procedure UpdateMenu(Fun_ID:integer);
    procedure RunOnOff(runon:boolean);
		{ Private declarations }
	public
		{ Public declarations }
  end;

var
  frmMain: TfrmMain;
	PwsU:array of TUnitDevice;//地址信息  動態數組使用時采用 SetLength 初始化
	VAdd:array of integer;//有效地址數組
	AddrCount:integer;
	RegisterAddrCount:integer=0;//有效地址總數

	prjInfo:TProjectInfo;//工程信息
	mSynComm:TSynComm;   //設備采樣同步標志體
  CanOP:boolean=False;
  Manger:Boolean=False;

implementation

{$R *.dfm}

procedure TfrmMain.BitBtn1Click(Sender: TObject);
begin
	Panel1.Visible:=False;
	if adoDBSrc.Active then
	begin
		adoDBSrc.Refresh;
		adoDBSrc.Close;
	end;
	Panel4.Align:=alClient;
	Panel4.Visible:=True;
end;

procedure TfrmMain.btnLogCancelClick(Sender: TObject);
begin
 	Panel2.Visible:=False;
  Panel2.SendToBack;
  CanOP:=False;
	SB1.Panels[9].Text:='還未登錄......'; 
end;

procedure TfrmMain.btnLoginClick(Sender: TObject);
begin
	if CheckUser then
	begin
		Panel2.Visible:=False;
    Panel2.SendToBack;
		Panel4.Align:=alClient;
		Panel4.Visible:=True;
    CanOP:=True;
		SetCommPort(prjInfo.cPort,prjInfo.Baud);//配置通訊端口
		SB1.Panels[9].Text:='系統待機中......';
    RunOnOff(False); //未開始監控
	end;
end;

procedure TfrmMain.btnToolLoginClick(Sender: TObject);
begin //
　Panel2.BringToFront;
  Panel2.Visible:=True;
end;

function TfrmMain.CheckUser: boolean;
var
	userType:string;
  ILevel:integer;
begin
		Result:=False;
		if adoDBSrc.Active then	adoDBSrc.Close;
		adoDBSrc.CommandText:='select * from user where UserName='+''''+cbxUser.Text +'''';
		adoDBSrc.Active:=true;
		if adoDBSrc.RecordCount=0 then
		begin
			showmessage(#13+#13+'------您的用戶名輸入有錯!------'+#13+#13);
			adoDBSrc.Active:=False;
			exit;
		end;
		if edtPwd.Text<>adoDBSrc.FieldByName('UserPass').AsString then
		begin
			showmessage('密碼輸入錯誤!');
			adoDBSrc.Active:=False;
			exit;
		end	else begin
      ILevel:=adoDBSrc.FieldByName('userType').AsInteger;
      UpdateMenu(ILevel);
			if adoDBSrc.FieldByName('userType').AsInteger=0 then
      begin
				userType:='操作員';
        Manger:=False;
      end;
			if adoDBSrc.FieldByName('userType').AsInteger>0 then
      begin
				userType:='管理員';
        Manger:=True;
      end;
			SB1.Panels[3].Text:=userType;
			SB1.Panels[1].Text:=adoDBSrc.FieldByName('UserName').AsString;
			Result:=True;
			if adoDBSrc.Active then	adoDBSrc.Close;
		end;
end;

procedure TfrmMain.Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
	BufferLength: Word);
var
	i:integer; // viewstring,
	reStr:string;
	rbuf:array[0..64] of byte;
begin
	reStr:='';
	move(buffer^,rbuf,bufferlength);
	for i:=1 to bufferlength do
		reStr:=reStr+chr(rbuf[i-1]);
	reStr:=reStr;
	lblRecived.Text:=reStr;
end;


procedure TfrmMain.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
 if MessageDlg('您確認要退出本監控系統嗎?',
		mtConfirmation, [mbYes, mbNo], 0, mbYes) = mrYes then
	begin
		CanClose:=True;
	end else
		CanClose:=False;
end;

procedure TfrmMain.FormCreate(Sender: TObject);
begin
  UpdateMenu(-1);
end;

procedure TfrmMain.DrawTreeNode;
var
	i,ii:integer;
	Node1, Node2: TTreeNode;
	nodeFg:boolean;
	snode:string;
begin
  with trvAllDev.Items do
	begin
		Clear; { remove any existing nodes }
		for I := 0 to AddrCount - 1 do //設定值遍歷
		begin
			if PwsU[i].Enabled then
			begin
				if trvAllDev.Items.Count<1 then //還沒有根接點
				begin
					snode:='PWS'+inttostr(PwsU[i].PWSUint)+'-'+PwsU[i].PWSName;
					Node1 := Add(nil,snode ); { Add a root node }
					Node1.ImageIndex:=7;
					snode:=PWSU[i].Name+'['+Format('%4x',[PWSU[i].Value])+']';
					Node2:= AddChild(Node1,snode);
					Node2.ImageIndex:=25;
					//cbxSereachUnit.Items.Add(inttostr(PwsU[i].PWSUint));
				end else
				begin  //已經有根節點了
					nodeFg:=False;
					Node1 := trvAllDev.Items[0];
					for Ii := 0 to trvAllDev.Items.Count - 1 do
					begin
						Node1 := trvAllDev.Items[ii];
						snode:='PWS'+inttostr(PwsU[i].PWSUint)+'-'+PwsU[i].PWSName;
						if Node1.Text=snode  then
						begin
							nodeFg:=True;//找到節點
							break;
						end;// //找到節點
					end;//遍歷結束
					if not nodeFg then //遍歷后未找到節點
					begin            //新建節點
						snode:='PWS'+inttostr(PwsU[i].PWSUint)+'-'+PwsU[i].PWSName;
						Node1 := Add(nil, snode); { Add a root node }
						Node1.ImageIndex:=7;
						Node1.Expanded:=True;
						//cbxSereachUnit.Items.Add(inttostr(PwsU[i].PWSUint));
					end;////遍歷后未找到節點
          ///
					snode:=PWSU[i].Name+'['+Format('%4x',[PWSU[i].Value])+']';
					Node2:= AddChild(Node1,snode);
					Node2.ImageIndex:=25;
				end;
			end;//此地址有效
		end;//設定值遍歷
	end;//with trvAllDev.Items do
  trvAllDev.FullExpand;//展開所有節點
end;
procedure TfrmMain.DrawTreeNodeValue;
var
	i,ii:integer;
	Node1: TTreeNode;
	nodeFg:boolean;
	snode:string;
begin
  with trvAllDev.Items do
	begin
		for I := 0 to AddrCount - 1 do //設定值遍歷
		begin
			if PwsU[i].Enabled and (trvAllDev.Items.Count>1) then
			begin
				snode:='PWS'+inttostr(PwsU[i].PWSUint)+'-'+PwsU[i].PWSName;
        nodeFg:=False;
				for ii := 0 to trvAllDev.Items.Count - 1 do
				begin
					Node1 := trvAllDev.Items[ii];
					snode:='PWS'+inttostr(PwsU[i].PWSUint)+'-'+PwsU[i].PWSName;
				  if Node1.Text=snode  then
				  begin
				  	nodeFg:=True;//找到節點
          end;// //找到主節點
          if nodeFg and (Pos(PwsU[i].Name,Node1.Text)>0) then //再找子節點
          begin //
              if PWSU[i].CommErr='' then
                Node1.Text:=PWSU[i].Name+'['+Format('%4x',[PWSU[i].Value])+']'
              else begin
                Node1.Text:=PWSU[i].Name+'['+PWSU[i].CommErr+']';
                PWSU[i].CommErr:='';
              end;
          end;
				end;//遍歷結束
			end;
    end;
  end;
  
end;

function DBOK:boolean;
var
	reg : TRegistry;
	ts : TStrings;
	i : integer;
begin
	Result:=False;
	reg := TRegistry.Create;
	reg.RootKey := HKEY_CURRENT_USER;
	reg.OpenKey('Software\ODBC\ODBC.INI\ODBC Data Sources',false);
	ts := TStringList.Create;
	reg.GetValueNames(ts);

	for i := 0 to ts.Count -1 do
	begin
		if ts[i]='PWS AccessDB' then Result:=True;
	end;
	ts.Free;
  reg.CloseKey;
	reg.free;
  if not Result then
  begin
     Showmessage('請您先安裝ODBC數據庫'+#13
		+'名稱:PWS AccessDB'+#13+'類型:Microsoft Access Driver (*.mdb)'+#13
		+'數據庫名稱:DcsPT.mdb');
    frmMain.Close;
  end;
end;

procedure TfrmMain.FormShow(Sender: TObject);
var
	i:integer;
begin//完成用戶初始化
  DBOK;
	if adoDBSrc.Active then	adoDBSrc.Close;  //檢測用戶以便登錄
	adoDBSrc.CommandText:='select * from user';
	adoDBSrc.Open;
	if adoDBSrc.RecordCount=0 then
		lblFirstRun.Visible:=True
	else
	begin //
		cbxUser.Items.Clear;