1 | unit ORClasses;
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2 |
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3 | interface
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4 |
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5 | uses
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6 | SysUtils, Classes, Controls, ComCtrls, ExtCtrls, StdCtrls, Forms, ORFn;
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7 |
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8 | type
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9 | TNotifyProc = procedure(Sender: TObject);
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10 |
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11 | TORNotifyList = class(TObject)
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12 | private
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13 | FCode: TList;
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14 | FData: TList;
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15 | protected
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16 | function GetItems(index: integer): TNotifyEvent;
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17 | procedure SetItems(index: integer; const Value: TNotifyEvent);
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18 | function GetIsProc(index: integer): boolean;
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19 | function GetProcs(index: integer): TNotifyProc;
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20 | procedure SetProcs(index: integer; const Value: TNotifyProc);
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21 | public
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22 | constructor Create;
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23 | destructor Destroy; override;
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24 | function IndexOf(const NotifyProc: TNotifyEvent): integer; overload;
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25 | function IndexOf(const NotifyProc: TNotifyProc): integer; overload;
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26 | procedure Add(const NotifyProc: TNotifyEvent); overload;
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27 | procedure Add(const NotifyProc: TNotifyProc); overload;
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28 | procedure Clear;
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29 | function Count: integer;
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30 | procedure Delete(index: integer);
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31 | procedure Remove(const NotifyProc: TNotifyEvent); overload;
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32 | procedure Remove(const NotifyProc: TNotifyProc); overload;
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33 | procedure Notify(Sender: TObject);
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34 | property Items[index: integer]: TNotifyEvent read GetItems write SetItems; default;
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35 | property Procs[index: integer]: TNotifyProc read GetProcs write SetProcs;
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36 | property IsProc[index: integer]: boolean read GetIsProc;
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37 | end;
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38 |
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39 | TCanNotifyEvent = procedure(Sender: TObject; var CanNotify: boolean) of object;
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40 |
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41 | IORNotifier = interface(IUnknown)
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42 | function GetOnNotify: TCanNotifyEvent;
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43 | procedure SetOnNotify(Value: TCanNotifyEvent);
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44 | procedure BeginUpdate;
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45 | procedure EndUpdate(DoNotify: boolean = FALSE);
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46 | procedure NotifyWhenChanged(Event: TNotifyEvent); overload;
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47 | procedure NotifyWhenChanged(Event: TNotifyProc); overload;
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48 | procedure RemoveNotify(Event: TNotifyEvent); overload;
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49 | procedure RemoveNotify(Event: TNotifyProc); overload;
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50 | procedure Notify; overload;
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51 | procedure Notify(Sender: TObject); overload;
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52 | function NotifyMethod: TNotifyEvent;
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53 | property OnNotify: TCanNotifyEvent read GetOnNotify Write SetOnNotify;
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54 | end;
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55 |
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56 | TORNotifier = class(TInterfacedObject, IORNotifier)
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57 | private
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58 | FNotifyList: TORNotifyList;
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59 | FUpdateCount: integer;
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60 | FOwner: TObject;
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61 | FOnNotify: TCanNotifyEvent;
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62 | protected
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63 | procedure DoNotify(Sender: TObject);
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64 | public
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65 | constructor Create(Owner: TObject = nil; SingleInstance: boolean = FALSE);
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66 | destructor Destroy; override;
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67 | function GetOnNotify: TCanNotifyEvent;
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68 | procedure SetOnNotify(Value: TCanNotifyEvent);
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69 | procedure BeginUpdate;
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70 | procedure EndUpdate(DoNotify: boolean = FALSE);
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71 | procedure NotifyWhenChanged(Event: TNotifyEvent); overload;
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72 | procedure NotifyWhenChanged(Event: TNotifyProc); overload;
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73 | procedure RemoveNotify(Event: TNotifyEvent); overload;
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74 | procedure RemoveNotify(Event: TNotifyProc); overload;
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75 | procedure Notify; overload;
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76 | procedure Notify(Sender: TObject); overload;
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77 | function NotifyMethod: TNotifyEvent;
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78 | property OnNotify: TCanNotifyEvent read GetOnNotify Write SetOnNotify;
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79 | end;
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80 |
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81 | TORStringList = class(TStringList, IORNotifier)
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82 | private
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83 | FNotifier: IORNotifier;
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84 | protected
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85 | function GetNotifier: IORNotifier;
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86 | procedure Changed; override;
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87 | public
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88 | destructor Destroy; override;
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89 | procedure KillObjects;
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90 | // IndexOfPiece starts looking at StartIdx+1
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91 | function CaseInsensitiveIndexOfPiece(Value: string; Delim: Char = '^';
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92 | PieceNum: integer = 1;
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93 | StartIdx: integer = -1): integer;
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94 | function IndexOfPiece(Value: string; Delim: Char = '^';
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95 | PieceNum: integer = 1;
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96 | StartIdx: integer = -1): integer;
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97 | function IndexOfPieces(const Values: array of string; const Delim: Char;
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98 | const Pieces: array of integer;
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99 | StartIdx: integer = -1): integer; overload;
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100 | function IndexOfPieces(const Values: array of string): integer; overload;
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101 | function IndexOfPieces(const Values: array of string; StartIdx: integer): integer; overload;
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102 | function PiecesEqual(const Index: integer;
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103 | const Values: array of string): boolean; overload;
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104 | function PiecesEqual(const Index: integer;
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105 | const Values: array of string;
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106 | const Pieces: array of integer): boolean; overload;
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107 | function PiecesEqual(const Index: integer;
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108 | const Values: array of string;
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109 | const Pieces: array of integer;
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110 | const Delim: Char): boolean; overload;
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111 | procedure SetStrPiece(Index, PieceNum: integer; Delim: Char; const NewValue: string); overload;
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112 | procedure SetStrPiece(Index, PieceNum: integer; const NewValue: string); overload;
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113 | procedure SortByPiece(PieceNum: integer; Delim: Char = '^');
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114 | procedure SortByPieces(Pieces: array of integer; Delim: Char = '^');
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115 | procedure RemoveDuplicates(CaseSensitive: boolean = TRUE);
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116 | property Notifier: IORNotifier read GetNotifier implements IORNotifier;
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117 | end;
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118 |
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119 | { Do NOT add ANTHING to the ORExposed Classes except to change the scope
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120 | of a property. If you do, existing code could generate Access Violations }
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121 | TORExposedCustomEdit = class(TCustomEdit)
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122 | public
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123 | property ReadOnly;
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124 | end;
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125 |
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126 | TORExposedAnimate = class(TAnimate)
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127 | public
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128 | property OnMouseUp;
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129 | property OnMouseDown;
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130 | end;
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131 |
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132 | TORExposedControl = class(TControl)
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133 | public
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134 | property Font;
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135 | property Text;
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136 | end;
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137 |
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138 | { AddToNotifyWhenCreated allows you to add an event handler before the object that
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139 | calls that event handler is created. This only works when there is only one
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140 | instance of a given object created (like TPatient or TEncounter). For an object
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141 | to make use of this feature, it must call ObjectCreated in the constructor,
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142 | which will return the TORNotifyList that was created for that object. }
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143 | procedure AddToNotifyWhenCreated(ProcToAdd: TNotifyEvent; CreatedClass: TClass); overload;
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144 | procedure AddToNotifyWhenCreated(ProcToAdd: TNotifyProc; CreatedClass: TClass); overload;
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145 | procedure ObjectCreated(CreatedClass: TClass; var NotifyList: TORNotifyList);
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146 |
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147 | type
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148 | TORInterfaceList = class(TList)
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149 | private
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150 | function GetItem(Index: Integer): IUnknown;
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151 | procedure SetItem(Index: Integer; const Value: IUnknown);
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152 | protected
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153 | procedure Notify(Ptr: Pointer; Action: TListNotification); override;
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154 | public
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155 | function Add(Item: IUnknown): Integer;
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156 | function Extract(Item: IUnknown): IUnknown;
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157 | function First: IUnknown;
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158 | function IndexOf(Item: IUnknown): Integer;
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159 | procedure Insert(Index: Integer; Item: IUnknown);
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160 | function Last: IUnknown;
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161 | function Remove(Item: IUnknown): Integer;
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162 | property Items[Index: Integer]: IUnknown read GetItem write SetItem; default;
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163 | end;
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164 |
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165 | implementation
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166 |
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167 | var
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168 | NotifyLists: TStringList = nil;
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169 |
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170 | function IndexOfClass(CreatedClass: TClass): integer;
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171 | begin
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172 | if(not assigned(NotifyLists)) then
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173 | NotifyLists := TStringList.Create;
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174 | Result := NotifyLists.IndexOf(CreatedClass.ClassName);
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175 | if(Result < 0) then
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176 | Result := NotifyLists.AddObject(CreatedClass.ClassName, TORNotifyList.Create);
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177 | end;
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178 |
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179 | procedure AddToNotifyWhenCreated(ProcToAdd: TNotifyEvent; CreatedClass: TClass); overload;
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180 | var
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181 | idx: integer;
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182 |
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183 | begin
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184 | idx := IndexOfClass(CreatedClass);
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185 | TORNotifyList(NotifyLists.Objects[idx]).Add(ProcToAdd);
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186 | end;
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187 |
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188 | procedure AddToNotifyWhenCreated(ProcToAdd: TNotifyProc; CreatedClass: TClass); overload;
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189 | var
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190 | idx: integer;
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191 |
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192 | begin
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193 | idx := IndexOfClass(CreatedClass);
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194 | TORNotifyList(NotifyLists.Objects[idx]).Add(ProcToAdd);
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195 | end;
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196 |
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197 | procedure ObjectCreated(CreatedClass: TClass; var NotifyList: TORNotifyList);
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198 | var
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199 | idx: integer;
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200 |
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201 | begin
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202 | if(assigned(NotifyLists)) then
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203 | begin
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204 | idx := IndexOfClass(CreatedClass);
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205 | if(idx < 0) then
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206 | NotifyList := nil
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207 | else
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208 | begin
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209 | NotifyList := (NotifyLists.Objects[idx] as TORNotifyList);
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210 | NotifyLists.Delete(idx);
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211 | if(NotifyLists.Count <= 0) then
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212 | KillObj(@NotifyLists);
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213 | end;
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214 | end;
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215 | end;
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216 |
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217 | { TORNotifyList }
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218 |
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219 | constructor TORNotifyList.Create;
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220 | begin
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221 | inherited;
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222 | FCode := TList.Create;
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223 | FData := TList.Create;
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224 | end;
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225 |
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226 | destructor TORNotifyList.Destroy;
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227 | begin
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228 | KillObj(@FCode);
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229 | KillObj(@FData);
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230 | inherited
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231 | end;
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232 |
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233 | function TORNotifyList.IndexOf(const NotifyProc: TNotifyEvent): integer;
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234 | var
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235 | m: TMethod;
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236 |
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237 | begin
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238 | if(assigned(NotifyProc) and (FCode.Count > 0)) then
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239 | begin
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240 | m := TMethod(NotifyProc);
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241 | Result := 0;
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242 | while((Result < FCode.Count) and ((FCode[Result] <> m.Code) or
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243 | (FData[Result] <> m.Data))) do inc(Result);
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244 | if Result >= FCode.Count then Result := -1;
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245 | end
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246 | else
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247 | Result := -1;
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248 | end;
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249 |
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250 | procedure TORNotifyList.Add(const NotifyProc: TNotifyEvent);
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251 | var
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252 | m: TMethod;
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253 |
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254 | begin
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255 | if(assigned(NotifyProc) and (IndexOf(NotifyProc) < 0)) then
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256 | begin
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257 | m := TMethod(NotifyProc);
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258 | FCode.Add(m.Code);
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259 | FData.Add(m.Data);
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260 | end;
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261 | end;
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262 |
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263 | procedure TORNotifyList.Remove(const NotifyProc: TNotifyEvent);
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264 | var
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265 | idx: integer;
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266 |
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267 | begin
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268 | idx := IndexOf(NotifyProc);
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269 | if(idx >= 0) then
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270 | begin
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271 | FCode.Delete(idx);
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272 | FData.Delete(idx);
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273 | end;
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274 | end;
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275 |
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276 | function TORNotifyList.GetItems(index: integer): TNotifyEvent;
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277 | begin
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278 | TMethod(Result).Code := FCode[index];
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279 | TMethod(Result).Data := FData[index];
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280 | end;
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281 |
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282 | procedure TORNotifyList.SetItems(index: integer; const Value: TNotifyEvent);
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283 | begin
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284 | FCode[index] := TMethod(Value).Code;
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285 | FData[index] := TMethod(Value).Data;
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286 | end;
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287 |
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288 | procedure TORNotifyList.Notify(Sender: TObject);
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289 | var
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290 | i: integer;
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291 | evnt: TNotifyEvent;
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292 | proc: TNotifyProc;
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293 |
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294 | begin
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295 | for i := 0 to FCode.Count-1 do
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296 | begin
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297 | if(FData[i] = nil) then
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298 | begin
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299 | proc := FCode[i];
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300 | if(assigned(proc)) then proc(Sender);
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301 | end
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302 | else
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303 | begin
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304 | TMethod(evnt).Code := FCode[i];
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305 | TMethod(evnt).Data := FData[i];
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306 | if(assigned(evnt)) then evnt(Sender);
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307 | end;
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308 | end;
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309 | end;
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310 |
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311 | procedure TORNotifyList.Clear;
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312 | begin
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313 | FCode.Clear;
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314 | FData.Clear;
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315 | end;
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316 |
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317 | function TORNotifyList.Count: integer;
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318 | begin
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319 | Result := FCode.Count;
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320 | end;
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321 |
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322 | procedure TORNotifyList.Delete(index: integer);
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323 | begin
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324 | FCode.Delete(index);
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325 | FData.Delete(index);
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326 | end;
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327 |
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328 | procedure TORNotifyList.Add(const NotifyProc: TNotifyProc);
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329 | begin
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330 | if(assigned(NotifyProc) and (IndexOf(NotifyProc) < 0)) then
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331 | begin
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332 | FCode.Add(@NotifyProc);
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333 | FData.Add(nil);
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334 | end;
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335 | end;
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336 |
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337 | function TORNotifyList.IndexOf(const NotifyProc: TNotifyProc): integer;
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338 | var
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339 | prt: ^TNotifyProc;
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340 |
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341 | begin
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342 | prt := @NotifyProc;
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343 | if(assigned(NotifyProc) and (FCode.Count > 0)) then
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344 | begin
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345 | Result := 0;
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346 | while((Result < FCode.Count) and ((FCode[Result] <> prt) or
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347 | (FData[Result] <> nil))) do inc(Result);
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348 | if Result >= FCode.Count then Result := -1;
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349 | end
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350 | else
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351 | Result := -1;
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352 | end;
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353 |
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354 | procedure TORNotifyList.Remove(const NotifyProc: TNotifyProc);
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355 | var
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356 | idx: integer;
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357 |
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358 | begin
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359 | idx := IndexOf(NotifyProc);
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360 | if(idx >= 0) then
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361 | begin
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362 | FCode.Delete(idx);
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363 | FData.Delete(idx);
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364 | end;
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365 | end;
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366 |
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367 | function TORNotifyList.GetIsProc(index: integer): boolean;
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368 | begin
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369 | Result := (not assigned(FData[index]));
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370 | end;
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371 |
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372 | function TORNotifyList.GetProcs(index: integer): TNotifyProc;
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373 | begin
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374 | Result := FCode[index];
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375 | end;
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376 |
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377 | procedure TORNotifyList.SetProcs(index: integer; const Value: TNotifyProc);
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378 | begin
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379 | FCode[index] := @Value;
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380 | FData[index] := nil;
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381 | end;
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382 |
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383 | { TORNotifier }
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384 |
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385 | constructor TORNotifier.Create(Owner: TObject = nil; SingleInstance: boolean = FALSE);
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386 | begin
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387 | FOwner := Owner;
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388 | if(assigned(Owner) and SingleInstance) then
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389 | ObjectCreated(Owner.ClassType, FNotifyList);
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390 | end;
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391 |
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392 | destructor TORNotifier.Destroy;
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393 | begin
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394 | KillObj(@FNotifyList);
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395 | inherited;
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396 | end;
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397 |
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398 | procedure TORNotifier.BeginUpdate;
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399 | begin
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400 | inc(FUpdateCount);
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401 | end;
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402 |
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403 | procedure TORNotifier.EndUpdate(DoNotify: boolean = FALSE);
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404 | begin
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405 | if(FUpdateCount > 0) then
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406 | begin
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407 | dec(FUpdateCount);
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408 | if(DoNotify and (FUpdateCount = 0)) then Notify(FOwner);
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409 | end;
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410 | end;
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411 |
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412 | procedure TORNotifier.Notify(Sender: TObject);
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413 | begin
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414 | if((FUpdateCount = 0) and assigned(FNotifyList) and (FNotifyList.Count > 0)) then
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415 | DoNotify(Sender);
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416 | end;
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417 |
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418 | procedure TORNotifier.Notify;
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419 | begin
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420 | if((FUpdateCount = 0) and assigned(FNotifyList) and (FNotifyList.Count > 0)) then
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421 | DoNotify(FOwner);
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422 | end;
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423 |
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424 | procedure TORNotifier.NotifyWhenChanged(Event: TNotifyEvent);
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425 | begin
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426 | if(not assigned(FNotifyList)) then
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427 | FNotifyList := TORNotifyList.Create;
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428 | FNotifyList.Add(Event);
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429 | end;
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430 |
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431 | procedure TORNotifier.NotifyWhenChanged(Event: TNotifyProc);
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432 | begin
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433 | if(not assigned(FNotifyList)) then
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434 | FNotifyList := TORNotifyList.Create;
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435 | FNotifyList.Add(Event);
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436 | end;
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437 |
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438 | procedure TORNotifier.RemoveNotify(Event: TNotifyEvent);
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439 | begin
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440 | if(assigned(FNotifyList)) then
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441 | FNotifyList.Remove(Event);
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442 | end;
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443 |
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444 | procedure TORNotifier.RemoveNotify(Event: TNotifyProc);
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445 | begin
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446 | if(assigned(FNotifyList)) then
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447 | FNotifyList.Remove(Event);
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448 | end;
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449 |
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450 | function TORNotifier.NotifyMethod: TNotifyEvent;
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451 | begin
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452 | Result := Notify;
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453 | end;
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454 |
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455 | function TORNotifier.GetOnNotify: TCanNotifyEvent;
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456 | begin
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457 | Result := FOnNotify;
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458 | end;
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459 |
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460 | procedure TORNotifier.SetOnNotify(Value: TCanNotifyEvent);
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461 | begin
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462 | FOnNotify := Value;
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463 | end;
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464 |
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465 | procedure TORNotifier.DoNotify(Sender: TObject);
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466 | var
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467 | CanNotify: boolean;
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468 |
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469 | begin
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470 | CanNotify := TRUE;
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471 | if(assigned(FOnNotify)) then
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472 | FOnNotify(Sender, CanNotify);
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473 | if(CanNotify) then
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474 | FNotifyList.Notify(Sender);
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475 | end;
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476 |
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477 | { TORStringList }
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478 |
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479 | destructor TORStringList.Destroy;
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480 | begin
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481 | FNotifier := nil; // Frees instance
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482 | inherited;
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483 | end;
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484 |
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485 | procedure TORStringList.Changed;
|
---|
486 | var
|
---|
487 | OldEvnt: TNotifyEvent;
|
---|
488 |
|
---|
489 | begin
|
---|
490 | { We redirect the OnChange event handler, rather than calling
|
---|
491 | FNotifyList.Notify directly, because inherited may not call
|
---|
492 | OnChange, and we don't have access to the private variables
|
---|
493 | inherited uses to determine if OnChange should be called }
|
---|
494 |
|
---|
495 | if(assigned(FNotifier)) then
|
---|
496 | begin
|
---|
497 | OldEvnt := OnChange;
|
---|
498 | try
|
---|
499 | OnChange := FNotifier.NotifyMethod;
|
---|
500 | inherited; // Conditionally Calls FNotifier.Notify
|
---|
501 | finally
|
---|
502 | OnChange := OldEvnt;
|
---|
503 | end;
|
---|
504 | end;
|
---|
505 | inherited; // Conditionally Calls the old OnChange event handler
|
---|
506 | end;
|
---|
507 |
|
---|
508 | function TORStringList.IndexOfPiece(Value: string; Delim: Char;
|
---|
509 | PieceNum: integer;
|
---|
510 | StartIdx: integer): integer;
|
---|
511 | begin
|
---|
512 | Result := StartIdx;
|
---|
513 | inc(Result);
|
---|
514 | while((Result >= 0) and (Result < Count) and
|
---|
515 | (Piece(Strings[Result], Delim, PieceNum) <> Value)) do
|
---|
516 | inc(Result);
|
---|
517 | if(Result < 0) or (Result >= Count) then Result := -1;
|
---|
518 | end;
|
---|
519 |
|
---|
520 | function TORStringList.IndexOfPieces(const Values: array of string; const Delim: Char;
|
---|
521 | const Pieces: array of integer;
|
---|
522 | StartIdx: integer = -1): integer;
|
---|
523 | var
|
---|
524 | Done: boolean;
|
---|
525 |
|
---|
526 | begin
|
---|
527 | Result := StartIdx;
|
---|
528 | repeat
|
---|
529 | inc(Result);
|
---|
530 | if(Result >= 0) and (Result < Count) then
|
---|
531 | Done := PiecesEqual(Result, Values, Pieces, Delim)
|
---|
532 | else
|
---|
533 | Done := TRUE;
|
---|
534 | until(Done);
|
---|
535 | if(Result < 0) or (Result >= Count) then Result := -1;
|
---|
536 | end;
|
---|
537 |
|
---|
538 | function TORStringList.IndexOfPieces(const Values: array of string): integer;
|
---|
539 | begin
|
---|
540 | Result := IndexOfPieces(Values, U, [], -1);
|
---|
541 | end;
|
---|
542 |
|
---|
543 | function TORStringList.IndexOfPieces(const Values: array of string;
|
---|
544 | StartIdx: integer): integer;
|
---|
545 | begin
|
---|
546 | Result := IndexOfPieces(Values, U, [], StartIdx);
|
---|
547 | end;
|
---|
548 |
|
---|
549 | function TORStringList.GetNotifier: IORNotifier;
|
---|
550 | begin
|
---|
551 | if(not assigned(FNotifier)) then
|
---|
552 | FNotifier := TORNotifier.Create(Self);
|
---|
553 | Result := FNotifier;
|
---|
554 | end;
|
---|
555 |
|
---|
556 | procedure TORStringList.KillObjects;
|
---|
557 | var
|
---|
558 | i: integer;
|
---|
559 |
|
---|
560 | begin
|
---|
561 | for i := 0 to Count-1 do
|
---|
562 | begin
|
---|
563 | if(assigned(Objects[i])) then
|
---|
564 | begin
|
---|
565 | Objects[i].Free;
|
---|
566 | Objects[i] := nil;
|
---|
567 | end;
|
---|
568 | end;
|
---|
569 | end;
|
---|
570 |
|
---|
571 | function TORStringList.PiecesEqual(const Index: integer;
|
---|
572 | const Values: array of string): boolean;
|
---|
573 | begin
|
---|
574 | Result := PiecesEqual(Index, Values, [], U);
|
---|
575 | end;
|
---|
576 |
|
---|
577 | function TORStringList.PiecesEqual(const Index: integer;
|
---|
578 | const Values: array of string;
|
---|
579 | const Pieces: array of integer): boolean;
|
---|
580 | begin
|
---|
581 | Result := PiecesEqual(Index, Values, Pieces, U);
|
---|
582 | end;
|
---|
583 |
|
---|
584 | function TORStringList.PiecesEqual(const Index: integer;
|
---|
585 | const Values: array of string;
|
---|
586 | const Pieces: array of integer;
|
---|
587 | const Delim: Char): boolean;
|
---|
588 | var
|
---|
589 | i, cnt, p: integer;
|
---|
590 |
|
---|
591 | begin
|
---|
592 | cnt := 0;
|
---|
593 | Result := TRUE;
|
---|
594 | for i := low(Values) to high(Values) do
|
---|
595 | begin
|
---|
596 | inc(cnt);
|
---|
597 | if(i >= low(Pieces)) and (i <= high(Pieces)) then
|
---|
598 | p := Pieces[i]
|
---|
599 | else
|
---|
600 | p := cnt;
|
---|
601 | if(Piece(Strings[Index], Delim, p) <> Values[i]) then
|
---|
602 | begin
|
---|
603 | Result := FALSE;
|
---|
604 | break;
|
---|
605 | end;
|
---|
606 | end;
|
---|
607 | end;
|
---|
608 |
|
---|
609 | procedure TORStringList.SortByPiece(PieceNum: integer; Delim: Char = '^');
|
---|
610 | begin
|
---|
611 | SortByPieces([PieceNum], Delim);
|
---|
612 | end;
|
---|
613 |
|
---|
614 | procedure TORStringList.RemoveDuplicates(CaseSensitive: boolean = TRUE);
|
---|
615 | var
|
---|
616 | i: integer;
|
---|
617 | Kill: boolean;
|
---|
618 |
|
---|
619 | begin
|
---|
620 | i := 1;
|
---|
621 | while (i < Count) do
|
---|
622 | begin
|
---|
623 | if(CaseSensitive) then
|
---|
624 | Kill := (Strings[i] = Strings[i-1])
|
---|
625 | else
|
---|
626 | Kill := (CompareText(Strings[i],Strings[i-1]) = 0);
|
---|
627 | if(Kill) then
|
---|
628 | Delete(i)
|
---|
629 | else
|
---|
630 | inc(i);
|
---|
631 | end;
|
---|
632 | end;
|
---|
633 |
|
---|
634 | function TORStringList.CaseInsensitiveIndexOfPiece(Value: string; Delim: Char = '^';
|
---|
635 | PieceNum: integer = 1; StartIdx: integer = -1): integer;
|
---|
636 | begin
|
---|
637 | Result := StartIdx;
|
---|
638 | inc(Result);
|
---|
639 | while((Result >= 0) and (Result < Count) and
|
---|
640 | (CompareText(Piece(Strings[Result], Delim, PieceNum), Value) <> 0)) do
|
---|
641 | inc(Result);
|
---|
642 | if(Result < 0) or (Result >= Count) then Result := -1;
|
---|
643 | end;
|
---|
644 |
|
---|
645 | procedure TORStringList.SortByPieces(Pieces: array of integer;
|
---|
646 | Delim: Char = '^');
|
---|
647 |
|
---|
648 | procedure QSort(L, R: Integer);
|
---|
649 | var
|
---|
650 | I, J: Integer;
|
---|
651 | P: string;
|
---|
652 |
|
---|
653 | begin
|
---|
654 | repeat
|
---|
655 | I := L;
|
---|
656 | J := R;
|
---|
657 | P := Strings[(L + R) shr 1];
|
---|
658 | repeat
|
---|
659 | while ComparePieces(Strings[I], P, Pieces, Delim, TRUE) < 0 do Inc(I);
|
---|
660 | while ComparePieces(Strings[J], P, Pieces, Delim, TRUE) > 0 do Dec(J);
|
---|
661 | if I <= J then
|
---|
662 | begin
|
---|
663 | Exchange(I, J);
|
---|
664 | Inc(I);
|
---|
665 | Dec(J);
|
---|
666 | end;
|
---|
667 | until I > J;
|
---|
668 | if L < J then QSort(L, J);
|
---|
669 | L := I;
|
---|
670 | until I >= R;
|
---|
671 | end;
|
---|
672 |
|
---|
673 | begin
|
---|
674 | if not Sorted and (Count > 1) then
|
---|
675 | begin
|
---|
676 | Changing;
|
---|
677 | QSort(0, Count - 1);
|
---|
678 | Changed;
|
---|
679 | end;
|
---|
680 | end;
|
---|
681 |
|
---|
682 |
|
---|
683 | procedure TORStringList.SetStrPiece(Index, PieceNum: integer; Delim: Char;
|
---|
684 | const NewValue: string);
|
---|
685 | var
|
---|
686 | tmp: string;
|
---|
687 |
|
---|
688 | begin
|
---|
689 | tmp := Strings[Index];
|
---|
690 | ORFn.SetPiece(tmp,Delim,PieceNum,NewValue);
|
---|
691 | Strings[Index] := tmp;
|
---|
692 | end;
|
---|
693 |
|
---|
694 | procedure TORStringList.SetStrPiece(Index, PieceNum: integer;
|
---|
695 | const NewValue: string);
|
---|
696 | begin
|
---|
697 | SetStrPiece(Index, PieceNum, '^', NewValue);
|
---|
698 | end;
|
---|
699 |
|
---|
700 | { TORInterfaceList }
|
---|
701 |
|
---|
702 | function TORInterfaceList.Add(Item: IUnknown): Integer;
|
---|
703 | begin
|
---|
704 | Result := inherited Add(Pointer(Item));
|
---|
705 | end;
|
---|
706 |
|
---|
707 | function TORInterfaceList.Extract(Item: IUnknown): IUnknown;
|
---|
708 | begin
|
---|
709 | Result := IUnknown(inherited Extract(Pointer(Item)));
|
---|
710 | end;
|
---|
711 |
|
---|
712 | function TORInterfaceList.First: IUnknown;
|
---|
713 | begin
|
---|
714 | Result := IUnknown(inherited First);
|
---|
715 | end;
|
---|
716 |
|
---|
717 | function TORInterfaceList.GetItem(Index: Integer): IUnknown;
|
---|
718 | begin
|
---|
719 | Result := IUnknown(inherited Get(Index));
|
---|
720 | end;
|
---|
721 |
|
---|
722 | function TORInterfaceList.IndexOf(Item: IUnknown): Integer;
|
---|
723 | begin
|
---|
724 | Result := inherited IndexOf(Pointer(Item));
|
---|
725 | end;
|
---|
726 |
|
---|
727 | procedure TORInterfaceList.Insert(Index: Integer; Item: IUnknown);
|
---|
728 | begin
|
---|
729 | inherited Insert(Index, Pointer(Item));
|
---|
730 | end;
|
---|
731 |
|
---|
732 | function TORInterfaceList.Last: IUnknown;
|
---|
733 | begin
|
---|
734 | Result := IUnknown(inherited Last);
|
---|
735 | end;
|
---|
736 |
|
---|
737 | procedure TORInterfaceList.Notify(Ptr: Pointer; Action: TListNotification);
|
---|
738 | begin
|
---|
739 | case Action of
|
---|
740 | lnAdded: IUnknown(Ptr)._AddRef;
|
---|
741 | lnDeleted, lnExtracted: IUnknown(Ptr)._Release;
|
---|
742 | end;
|
---|
743 | end;
|
---|
744 |
|
---|
745 | function TORInterfaceList.Remove(Item: IUnknown): Integer;
|
---|
746 | begin
|
---|
747 | Result := inherited Remove(Pointer(Item));
|
---|
748 | end;
|
---|
749 |
|
---|
750 | procedure TORInterfaceList.SetItem(Index: Integer; const Value: IUnknown);
|
---|
751 | begin
|
---|
752 | inherited Put(Index, Pointer(Value));
|
---|
753 | end;
|
---|
754 |
|
---|
755 |
|
---|
756 | initialization
|
---|
757 |
|
---|
758 | finalization
|
---|
759 | KillObj(@NotifyLists, TRUE);
|
---|
760 |
|
---|
761 | end.
|
---|