| 1 | { ************************************************************** | 
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| 2 | Package: XWB - Kernel RPCBroker | 
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| 3 | Date Created: Sept 18, 1997 (Version 1.1) | 
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| 4 | Site Name: Oakland, OI Field Office, Dept of Veteran Affairs | 
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| 5 | Developers: Danila Manapsal, Don Craven, Joel Ivey | 
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| 6 | Description: Property Editors for TRPCBroker component. | 
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| 7 | Current Release: Version 1.1 Patch 40 (January 7, 2005)) | 
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| 8 | *************************************************************** } | 
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| 9 |  | 
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| 10 | unit RpcbEdtr; | 
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| 11 |  | 
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| 12 | {$I IISBase.inc} | 
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| 13 |  | 
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| 14 | interface | 
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| 15 |  | 
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| 16 | uses | 
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| 17 | {Delphi standard} | 
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| 18 | Classes, Controls, Dialogs, | 
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| 19 | {$IFDEF D6_OR_HIGHER} | 
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| 20 | DesignIntf, DesignEditors, DesignMenus, | 
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| 21 | {$ELSE} | 
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| 22 | DsgnIntf, | 
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| 23 | {$ENDIF} | 
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| 24 | Forms, Graphics, Messages, SysUtils, | 
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| 25 | WinProcs, WinTypes, | 
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| 26 | Trpcb; //P14 -- pack split | 
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| 27 |  | 
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| 28 |  | 
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| 29 | type | 
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| 30 |  | 
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| 31 | {------ TRemoteProc property editor ------} | 
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| 32 | {This property editor gets a list of remote procedures from the API file.} | 
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| 33 |  | 
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| 34 | TRemoteProcProperty = class(TStringProperty) | 
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| 35 | private | 
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| 36 | { Private declarations } | 
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| 37 | protected | 
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| 38 | { Protected declarations } | 
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| 39 | public | 
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| 40 | { Public declarations } | 
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| 41 | function GetAttributes: TPropertyAttributes; override; | 
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| 42 | procedure GetValues(Proc: TGetStrProc); override; | 
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| 43 | procedure SetValue(const Value: string); override; | 
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| 44 | end; | 
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| 45 |  | 
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| 46 |  | 
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| 47 | {------ TServerProperty property editor ------} | 
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| 48 | {This property editor gets a list of servers from the C:\WINDOWS\HOSTS file} | 
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| 49 |  | 
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| 50 | TServerProperty = class(TStringProperty) | 
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| 51 | private | 
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| 52 | { Private declarations } | 
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| 53 | protected | 
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| 54 | { Protected declarations } | 
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| 55 | public | 
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| 56 | { Public declarations } | 
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| 57 | function GetAttributes: TPropertyAttributes; override; | 
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| 58 | procedure GetValues(Proc: TGetStrProc); override; | 
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| 59 | function GetValue: string; override; | 
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| 60 | procedure SetValue(const Value: string); override; | 
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| 61 | end; | 
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| 62 |  | 
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| 63 |  | 
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| 64 | {------ TRpcVersion property editor ------} | 
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| 65 | {This property editor checks to make sure that RpcVersion is not eimpty. | 
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| 66 | If it is, it stuffs '0' (default).} | 
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| 67 |  | 
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| 68 | TRpcVersionProperty = class(TStringProperty) | 
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| 69 | private | 
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| 70 | { Private declarations } | 
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| 71 | protected | 
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| 72 | { Protected declarations } | 
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| 73 | public | 
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| 74 | { Public declarations } | 
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| 75 | procedure SetValue(const Value: string); override; | 
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| 76 | end; | 
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| 77 |  | 
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| 78 |  | 
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| 79 | procedure Register; | 
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| 80 |  | 
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| 81 |  | 
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| 82 | implementation | 
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| 83 |  | 
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| 84 |  | 
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| 85 | uses | 
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| 86 | XWBut1, MFunStr, {TRPCB,} Hash, RpcbErr; //P14 -- pack split | 
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| 87 |  | 
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| 88 | function TRemoteProcProperty.GetAttributes; | 
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| 89 | begin | 
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| 90 | Result := [paAutoUpdate,paValueList]; | 
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| 91 | end; | 
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| 92 |  | 
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| 93 | procedure TRemoteProcProperty.GetValues(Proc: TGetStrProc); | 
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| 94 | var | 
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| 95 | RpcbEdited, RPCBTemp: TRPCBroker; | 
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| 96 | I: integer; | 
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| 97 | begin | 
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| 98 | RPCBTemp := nil; | 
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| 99 | RpcbEdited := GetComponent(0) as TRPCBroker; | 
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| 100 | try | 
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| 101 | RPCBTemp := TRPCBroker.Create(RpcbEdited); | 
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| 102 | with RpcbTemp do begin | 
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| 103 | ShowErrorMsgs := RpcbEdited.ShowErrorMsgs; | 
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| 104 | Server := RpcbEdited.Server; | 
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| 105 | ListenerPort := RpcbEdited.ListenerPort; | 
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| 106 | ClearParameters := True; | 
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| 107 | ClearResults := True; | 
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| 108 | RemoteProcedure := 'XWB RPC LIST'; | 
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| 109 | Param[0].Value := GetValue; | 
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| 110 | Param[0].PType := literal; | 
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| 111 | Call; | 
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| 112 | for I := 0 to Results.Count - 1 do Proc(Results[I]); | 
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| 113 | end; | 
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| 114 | finally | 
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| 115 | RPCBTemp.Free; | 
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| 116 | end; | 
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| 117 | end; | 
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| 118 |  | 
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| 119 | procedure TRemoteProcProperty.SetValue(const Value: string); | 
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| 120 | begin | 
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| 121 | SetStrValue(UpperCase(Piece(Value,'   [',1)));  {convert user entry all to upper case} | 
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| 122 | end; | 
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| 123 |  | 
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| 124 | function TServerProperty.GetAttributes; | 
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| 125 | begin | 
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| 126 | Result := [paAutoUpdate,paValueList]; | 
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| 127 | end; | 
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| 128 |  | 
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| 129 | function TServerProperty.GetValue: string; | 
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| 130 | begin | 
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| 131 | Result := Piece(GetStrValue,'   [',1);  {get just the  name} | 
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| 132 | end; | 
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| 133 |  | 
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| 134 | procedure TServerProperty.GetValues(Proc: TGetStrProc); | 
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| 135 | var | 
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| 136 | ServerList: TStringList; | 
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| 137 | I: integer; | 
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| 138 | begin | 
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| 139 | ServerList := TStringList.Create; | 
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| 140 | GetHostList(ServerList); | 
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| 141 | for I := 0 to ServerList.Count - 1 do Proc(ServerList[I]); | 
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| 142 | ServerList.Free; | 
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| 143 | end; | 
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| 144 |  | 
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| 145 | procedure TServerProperty.SetValue(const Value: string); | 
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| 146 | begin | 
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| 147 | SetStrValue(Piece(Value,'   [',1));  {get just the  name} | 
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| 148 | end; | 
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| 149 |  | 
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| 150 | procedure TRpcVersionProperty.SetValue(const Value: string); | 
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| 151 | begin | 
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| 152 | { | 
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| 153 | try | 
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| 154 | if Value = '' then NetError('Configure',XWB_NullRpcVer) | 
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| 155 | else SetStrValue(Value); | 
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| 156 | except | 
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| 157 | on E: EBrokerError do begin | 
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| 158 | ShowBrokerError(E); | 
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| 159 | SetStrValue('0'); | 
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| 160 | end; | 
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| 161 | end; | 
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| 162 | } | 
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| 163 | if Value <> '' then SetStrValue(Value) | 
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| 164 | else begin | 
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| 165 | ShowMessage('RPCVersion cannot be empty.  Default is 0 (zero).'); | 
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| 166 | SetStrValue('0'); | 
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| 167 | end; | 
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| 168 | end; | 
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| 169 |  | 
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| 170 | procedure Register; | 
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| 171 | begin | 
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| 172 | RegisterPropertyEditor(TypeInfo(TRemoteProc),nil,'',TRemoteProcProperty); | 
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| 173 | RegisterPropertyEditor(TypeInfo(TServer),nil,'',TServerProperty); | 
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| 174 | RegisterPropertyEditor(TypeInfo(TRpcVersion),nil,'',TRpcVersionProperty); | 
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| 175 | end; | 
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| 176 |  | 
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| 177 | end. | 
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