tpsystools_4.04/source/StNVLMat.pas

// Upgraded to Delphi 2009: Sebastian Zierer

(* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is TurboPower SysTools
 *
 * The Initial Developer of the Original Code is
 * TurboPower Software
 *
 * Portions created by the Initial Developer are Copyright (C) 1996-2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * ***** END LICENSE BLOCK ***** *)

{*********************************************************}
{* SysTools: StNVLMat.pas 4.04                           *}
{*********************************************************}
{* SysTools:non visual component for TStLMatrix          *}
{*********************************************************}

{$I StDefine.inc}

unit StNVLMat;

interface

uses
  Windows,
  Classes,
  StBase, StLArr, StNVCont;

type
  TStNVLMatrix = class(TStNVContainerBase)
  {.Z+}
  protected {private}
    {property variables}
    FContainer        : TStLMatrix; {instance of the container}
    FCols             : Cardinal;
    FRows             : Cardinal;
    FElementSize      : Cardinal;

    {property methods}
    function GetStoreable : Boolean;
    procedure SetCols(Value : Cardinal);
    procedure SetRows(Value : Cardinal);
    procedure SetElementSize(Value : Cardinal);
    procedure SetStoreable(Value : Boolean);

    {internal methods}
    procedure RecreateContainer;

  protected
    function GetOnCompare : TStCompareEvent;
      override;
    function GetOnDisposeData : TStDisposeDataEvent;
      override;
    function GetOnLoadData : TStLoadDataEvent;
      override;
    function GetOnStoreData : TStStoreDataEvent;
      override;
    procedure SetOnCompare(Value : TStCompareEvent);
      override;
    procedure SetOnDisposeData(Value : TStDisposeDataEvent);
      override;
    procedure SetOnLoadData(Value : TStLoadDataEvent);
      override;
    procedure SetOnStoreData(Value : TStStoreDataEvent);
      override;

  public
    constructor Create(AOwner : TComponent);
      override;
    destructor Destroy;
      override;
  {.Z-}

    property Container : TStLMatrix
      read FContainer;

  published
    property Cols : Cardinal
      read FCols
      write SetCols default 2;

    property Rows : Cardinal
      read FRows
      write SetRows default 10;

    property ElementSize : Cardinal
      read FElementSize
      write SetElementSize default SizeOf(LongInt);

    property ElementsStorable : Boolean
      read GetStoreable
      write SetStoreable default False;

    property OnCompare;
    property OnDisposeData;
    property OnLoadData;
    property OnStoreData;
  end;


implementation

{*** TStNVLMatrix ***}

constructor TStNVLMatrix.Create(AOwner : TComponent);
begin
  inherited Create(AOwner);

  {defaults}
  FCols := 2;
  FRows := 10;
  FElementSize := SizeOf(LongInt);

  if Classes.GetClass(TStLMatrix.ClassName) = nil then
    RegisterClass(TStLMatrix);

  FContainer := TStLMatrix.Create(FRows, FCols, FElementSize);
end;

destructor TStNVLMatrix.Destroy;
begin
  FContainer.Free;
  FContainer := nil;

  inherited Destroy;
end;

function TStNVLMatrix.GetOnCompare : TStCompareEvent;
begin
  Result := FContainer.OnCompare;
end;

function TStNVLMatrix.GetOnDisposeData : TStDisposeDataEvent;
begin
  Result := FContainer.OnDisposeData;
end;

function TStNVLMatrix.GetOnLoadData : TStLoadDataEvent;
begin
  Result := FContainer.OnLoadData;
end;

function TStNVLMatrix.GetOnStoreData : TStStoreDataEvent;
begin
  Result := FContainer.OnStoreData;
end;

function TStNVLMatrix.GetStoreable : Boolean;
begin
  Result := FContainer.ElementsStorable;
end;

procedure TStNVLMatrix.RecreateContainer;
var
  HoldOnCompare     : TStCompareEvent;
  HoldOnDisposeData : TStDisposeDataEvent;
  HoldOnLoadData    : TStLoadDataEvent;
  HoldOnStoreData   : TStStoreDataEvent;
begin
  HoldOnCompare := FContainer.OnCompare;
  HoldOnDisposeData := FContainer.OnDisposeData;
  HoldOnLoadData := FContainer.OnLoadData;
  HoldOnStoreData := FContainer.OnStoreData;
  FContainer.Free;
  FContainer := TStLMatrix.Create(FRows, FCols, FElementSize);
  FContainer.OnCompare := HoldOnCompare;
  FContainer.OnDisposeData := HoldOnDisposeData;
  FContainer.OnLoadData := HoldOnLoadData;
  FContainer.OnStoreData := HoldOnStoreData;
end;

procedure TStNVLMatrix.SetCols(Value : Cardinal);
begin
  FCols := Value;
  RecreateContainer;
end;

procedure TStNVLMatrix.SetElementSize(Value : Cardinal);
begin
  FElementSize := Value;
  RecreateContainer;
end;

procedure TStNVLMatrix.SetOnCompare(Value : TStCompareEvent);
begin
  FContainer.OnCompare := Value;
end;

procedure TStNVLMatrix.SetOnDisposeData(Value : TStDisposeDataEvent);
begin
  FContainer.OnDisposeData := Value;
end;

procedure TStNVLMatrix.SetOnLoadData(Value : TStLoadDataEvent);
begin
  FContainer.OnLoadData := Value;
end;

procedure TStNVLMatrix.SetOnStoreData(Value : TStStoreDataEvent);
begin
  FContainer.OnStoreData := Value;
end;

procedure TStNVLMatrix.SetRows(Value : Cardinal);
begin
  FRows := Value;
  RecreateContainer;
end;

procedure TStNVLMatrix.SetStoreable(Value : Boolean);
begin
  FContainer.ElementsStorable := Value;
end;


end.
1	// Upgraded to Delphi 2009: Sebastian Zierer
2
3	(* *** BEGIN LICENSE BLOCK ***
4	* Version: MPL 1.1
5	*
6	* The contents of this file are subject to the Mozilla Public License Version
7	* 1.1 (the "License"); you may not use this file except in compliance with
8	* the License. You may obtain a copy of the License at
9	* http://www.mozilla.org/MPL/
10	*
11	* Software distributed under the License is distributed on an "AS IS" basis,
12	* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13	* for the specific language governing rights and limitations under the
14	* License.
15	*
16	* The Original Code is TurboPower SysTools
17	*
18	* The Initial Developer of the Original Code is
19	* TurboPower Software
20	*
21	* Portions created by the Initial Developer are Copyright (C) 1996-2002
22	* the Initial Developer. All Rights Reserved.
23	*
24	* Contributor(s):
25	*
26	* *** END LICENSE BLOCK *** *)
27
28	{*********************************************************}
29	{* SysTools: StNVLMat.pas 4.04 *}
30	{*********************************************************}
31	{* SysTools:non visual component for TStLMatrix *}
32	{*********************************************************}
33
34	{$I StDefine.inc}
35
36	unit StNVLMat;
37
38	interface
39
40	uses
41	Windows,
42	Classes,
43	StBase, StLArr, StNVCont;
44
45	type
46	TStNVLMatrix = class(TStNVContainerBase)
47	{.Z+}
48	protected {private}
49	{property variables}
50	FContainer : TStLMatrix; {instance of the container}
51	FCols : Cardinal;
52	FRows : Cardinal;
53	FElementSize : Cardinal;
54
55	{property methods}
56	function GetStoreable : Boolean;
57	procedure SetCols(Value : Cardinal);
58	procedure SetRows(Value : Cardinal);
59	procedure SetElementSize(Value : Cardinal);
60	procedure SetStoreable(Value : Boolean);
61
62	{internal methods}
63	procedure RecreateContainer;
64
65	protected
66	function GetOnCompare : TStCompareEvent;
67	override;
68	function GetOnDisposeData : TStDisposeDataEvent;
69	override;
70	function GetOnLoadData : TStLoadDataEvent;
71	override;
72	function GetOnStoreData : TStStoreDataEvent;
73	override;
74	procedure SetOnCompare(Value : TStCompareEvent);
75	override;
76	procedure SetOnDisposeData(Value : TStDisposeDataEvent);
77	override;
78	procedure SetOnLoadData(Value : TStLoadDataEvent);
79	override;
80	procedure SetOnStoreData(Value : TStStoreDataEvent);
81	override;
82
83	public
84	constructor Create(AOwner : TComponent);
85	override;
86	destructor Destroy;
87	override;
88	{.Z-}
89
90	property Container : TStLMatrix
91	read FContainer;
92
93	published
94	property Cols : Cardinal
95	read FCols
96	write SetCols default 2;
97
98	property Rows : Cardinal
99	read FRows
100	write SetRows default 10;
101
102	property ElementSize : Cardinal
103	read FElementSize
104	write SetElementSize default SizeOf(LongInt);
105
106	property ElementsStorable : Boolean
107	read GetStoreable
108	write SetStoreable default False;
109
110	property OnCompare;
111	property OnDisposeData;
112	property OnLoadData;
113	property OnStoreData;
114	end;
115
116
117	implementation
118
119	{* TStNVLMatrix *}
120
121	constructor TStNVLMatrix.Create(AOwner : TComponent);
122	begin
123	inherited Create(AOwner);
124
125	{defaults}
126	FCols := 2;
127	FRows := 10;
128	FElementSize := SizeOf(LongInt);
129
130	if Classes.GetClass(TStLMatrix.ClassName) = nil then
131	RegisterClass(TStLMatrix);
132
133	FContainer := TStLMatrix.Create(FRows, FCols, FElementSize);
134	end;
135
136	destructor TStNVLMatrix.Destroy;
137	begin
138	FContainer.Free;
139	FContainer := nil;
140
141	inherited Destroy;
142	end;
143
144	function TStNVLMatrix.GetOnCompare : TStCompareEvent;
145	begin
146	Result := FContainer.OnCompare;
147	end;
148
149	function TStNVLMatrix.GetOnDisposeData : TStDisposeDataEvent;
150	begin
151	Result := FContainer.OnDisposeData;
152	end;
153
154	function TStNVLMatrix.GetOnLoadData : TStLoadDataEvent;
155	begin
156	Result := FContainer.OnLoadData;
157	end;
158
159	function TStNVLMatrix.GetOnStoreData : TStStoreDataEvent;
160	begin
161	Result := FContainer.OnStoreData;
162	end;
163
164	function TStNVLMatrix.GetStoreable : Boolean;
165	begin
166	Result := FContainer.ElementsStorable;
167	end;
168
169	procedure TStNVLMatrix.RecreateContainer;
170	var
171	HoldOnCompare : TStCompareEvent;
172	HoldOnDisposeData : TStDisposeDataEvent;
173	HoldOnLoadData : TStLoadDataEvent;
174	HoldOnStoreData : TStStoreDataEvent;
175	begin
176	HoldOnCompare := FContainer.OnCompare;
177	HoldOnDisposeData := FContainer.OnDisposeData;
178	HoldOnLoadData := FContainer.OnLoadData;
179	HoldOnStoreData := FContainer.OnStoreData;
180	FContainer.Free;
181	FContainer := TStLMatrix.Create(FRows, FCols, FElementSize);
182	FContainer.OnCompare := HoldOnCompare;
183	FContainer.OnDisposeData := HoldOnDisposeData;
184	FContainer.OnLoadData := HoldOnLoadData;
185	FContainer.OnStoreData := HoldOnStoreData;
186	end;
187
188	procedure TStNVLMatrix.SetCols(Value : Cardinal);
189	begin
190	FCols := Value;
191	RecreateContainer;
192	end;
193
194	procedure TStNVLMatrix.SetElementSize(Value : Cardinal);
195	begin
196	FElementSize := Value;
197	RecreateContainer;
198	end;
199
200	procedure TStNVLMatrix.SetOnCompare(Value : TStCompareEvent);
201	begin
202	FContainer.OnCompare := Value;
203	end;
204
205	procedure TStNVLMatrix.SetOnDisposeData(Value : TStDisposeDataEvent);
206	begin
207	FContainer.OnDisposeData := Value;
208	end;
209
210	procedure TStNVLMatrix.SetOnLoadData(Value : TStLoadDataEvent);
211	begin
212	FContainer.OnLoadData := Value;
213	end;
214
215	procedure TStNVLMatrix.SetOnStoreData(Value : TStStoreDataEvent);
216	begin
217	FContainer.OnStoreData := Value;
218	end;
219
220	procedure TStNVLMatrix.SetRows(Value : Cardinal);
221	begin
222	FRows := Value;
223	RecreateContainer;
224	end;
225
226	procedure TStNVLMatrix.SetStoreable(Value : Boolean);
227	begin
228	FContainer.ElementsStorable := Value;
229	end;
230
231
232	end.