Rev 91 | Rev 93 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
89 | daniel-mar | 1 | unit AsciiTable; |
2 | |||
3 | (* |
||
4 | * ASCII Table and CSV Generator Delphi Unit |
||
92 | daniel-mar | 5 | * Revision 2022-07-11 |
89 | daniel-mar | 6 | * |
7 | * (C) 2022 Daniel Marschall, HickelSOFT, ViaThinkSoft |
||
8 | * Licensed under the terms of Apache 2.0 |
||
9 | *) |
||
10 | |||
11 | { |
||
12 | |||
13 | Example usage: |
||
14 | |||
15 | uses |
||
16 | AsciiTable, ContNrs; |
||
17 | |||
18 | procedure TForm1.Button1Click(Sender: TObject); |
||
19 | var |
||
20 | VirtTable: TVtsAsciiTable; |
||
21 | objLine: TVtsAsciiTableLine; |
||
22 | begin |
||
23 | VirtTable := TVtsAsciiTable.Create(true); |
||
24 | VirtTable.Clear; |
||
25 | |||
26 | // Create Test data |
||
27 | objLine := TVtsAsciiTableLine.Create; |
||
28 | objLine.SetVal(0, 'Fruit', taCenter); |
||
29 | objLine.SetVal(1, 'Amount', taCenter); |
||
30 | VirtTable.Add(objLine); |
||
31 | |||
32 | VirtTable.AddSeparator; |
||
33 | |||
34 | objLine := TVtsAsciiTableLine.Create; |
||
35 | objLine.SetVal(0, 'Apple', taLeftJustify); |
||
36 | objLine.SetVal(1, '123', taRightJustify); |
||
37 | VirtTable.Add(objLine); |
||
38 | |||
39 | objLine := TVtsAsciiTableLine.Create; |
||
40 | objLine.SetVal(0, 'Kiwi', taLeftJustify); |
||
41 | objLine.SetVal(1, '1', taRightJustify); |
||
42 | VirtTable.Add(objLine); |
||
43 | |||
44 | objLine := TVtsAsciiTableLine.Create; |
||
45 | objLine.SetVal(0, 'Asparagus (green)', taLeftJustify); |
||
46 | objLine.SetVal(1, '9999', taRightJustify); |
||
47 | VirtTable.Add(objLine); |
||
48 | |||
49 | objLine := TVtsAsciiTableLine.Create; |
||
50 | objLine.SetVal(0, 'Asparagus (white)', taLeftJustify); |
||
51 | objLine.SetVal(1, '999', taRightJustify); |
||
52 | VirtTable.Add(objLine); |
||
53 | |||
91 | daniel-mar | 54 | VirtTable.AddSeparator; |
55 | VirtTable.AddSumLine; |
||
56 | |||
90 | daniel-mar | 57 | // Create ASCII table |
89 | daniel-mar | 58 | Memo1.Clear; |
59 | VirtTable.GetASCIITable(Memo1.Lines); |
||
60 | |||
90 | daniel-mar | 61 | // Save ASCII table |
62 | VirtTable.SaveASCIITable('Order.txt'); |
||
63 | |||
89 | daniel-mar | 64 | // Create CSV |
65 | Memo2.Clear; |
||
66 | VirtTable.GetCSV(Memo2.Lines); |
||
67 | |||
90 | daniel-mar | 68 | // Save CSV |
69 | VirtTable.SaveCSV('Order.csv'); |
||
70 | |||
89 | daniel-mar | 71 | VirtTable.Free; |
72 | end; |
||
73 | |||
74 | } |
||
75 | |||
76 | interface |
||
77 | |||
78 | uses |
||
79 | ContNrs, Classes, SysUtils; |
||
80 | |||
81 | const |
||
82 | VTS_ASCII_TABLE_COLS = 10; |
||
83 | |||
84 | type |
||
85 | TVtsAsciiTableLine = class(TObject) |
||
91 | daniel-mar | 86 | private |
87 | IsSumLine: boolean; |
||
88 | //IsSeparator: boolean; |
||
89 | daniel-mar | 89 | public |
90 | Cont: array[0..VTS_ASCII_TABLE_COLS-1] of string; |
||
91 | Align: array[0..VTS_ASCII_TABLE_COLS-1] of TAlignment; |
||
92 | PadChar: array[0..VTS_ASCII_TABLE_COLS-1] of char; |
||
92 | daniel-mar | 93 | DoSum: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
89 | daniel-mar | 94 | procedure Clear; |
92 | daniel-mar | 95 | procedure SetVal(index: integer; ACont: string; AAlign: TAlignment=taLeftJustify; |
96 | APadChar: char=' '; ADoSum: boolean=false); |
||
89 | daniel-mar | 97 | end; |
98 | |||
99 | TVtsAsciiTableAnalysis = record |
||
100 | MaxLen: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
||
101 | Used: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
||
91 | daniel-mar | 102 | Sum: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
89 | daniel-mar | 103 | end; |
104 | |||
105 | TVtsAsciiTable = class(TObjectList{<TVtsAsciiTableLine>}) |
||
106 | private |
||
107 | function GetItem(Index: Integer): TVtsAsciiTableLine; |
||
108 | procedure SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
||
109 | public |
||
110 | function GetAnalysis: TVtsAsciiTableAnalysis; |
||
111 | procedure GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
||
90 | daniel-mar | 112 | procedure SaveASCIITable(filename: string; spaceBetween: integer=3); |
89 | daniel-mar | 113 | procedure GetCSV(sl: TStrings); |
90 | daniel-mar | 114 | procedure SaveCSV(filename: string); |
89 | daniel-mar | 115 | |
116 | procedure AddSeparator; |
||
91 | daniel-mar | 117 | procedure AddSumLine; |
89 | daniel-mar | 118 | |
119 | // Just a little bit type-safe... The rest stays TObject for now |
||
120 | function Add(AObject: TVtsAsciiTableLine): Integer; reintroduce; |
||
121 | property Items[Index: Integer]: TVtsAsciiTableLine read GetItem write SetItem; |
||
122 | procedure Insert(Index: Integer; AObject: TVtsAsciiTableLine); reintroduce; |
||
123 | end; |
||
124 | |||
125 | implementation |
||
126 | |||
127 | { TVtsAsciiTable } |
||
128 | |||
129 | function TVtsAsciiTable.Add(AObject: TVtsAsciiTableLine): Integer; |
||
130 | begin |
||
131 | result := Inherited Add(AObject); |
||
132 | end; |
||
133 | |||
134 | procedure TVtsAsciiTable.AddSeparator; |
||
135 | begin |
||
136 | Inherited Add(nil); |
||
137 | end; |
||
138 | |||
91 | daniel-mar | 139 | procedure TVtsAsciiTable.AddSumLine; |
140 | var |
||
141 | objLine: TVtsAsciiTableLine; |
||
142 | j: Integer; |
||
143 | analysis: TVtsAsciiTableAnalysis; |
||
92 | daniel-mar | 144 | found: boolean; |
91 | daniel-mar | 145 | begin |
146 | objLine := TVtsAsciiTableLine.Create; |
||
147 | objLine.IsSumLine := true; |
||
148 | analysis := GetAnalysis; |
||
92 | daniel-mar | 149 | found := false; |
91 | daniel-mar | 150 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
151 | begin |
||
152 | if analysis.Sum[j] <> 0 then |
||
92 | daniel-mar | 153 | begin |
91 | daniel-mar | 154 | objLine.SetVal(j, IntToStr(analysis.Sum[j]), taRightJustify, ' '); |
92 | daniel-mar | 155 | found := true; |
156 | end; |
||
91 | daniel-mar | 157 | end; |
92 | daniel-mar | 158 | if found then |
159 | Inherited Add(objLine) |
||
160 | else |
||
161 | objLine.Free; |
||
91 | daniel-mar | 162 | end; |
163 | |||
89 | daniel-mar | 164 | function TVtsAsciiTable.GetAnalysis: TVtsAsciiTableAnalysis; |
165 | var |
||
166 | j: Integer; |
||
167 | i: Integer; |
||
168 | objLine: TVtsAsciiTableLine; |
||
169 | len: Integer; |
||
91 | daniel-mar | 170 | itmp: integer; |
89 | daniel-mar | 171 | begin |
172 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
173 | begin |
||
174 | result.MaxLen[j] := 0; |
||
175 | result.Used[j] := false; |
||
91 | daniel-mar | 176 | result.Sum[j] := 0; |
89 | daniel-mar | 177 | end; |
178 | for i := 0 to Self.Count-1 do |
||
179 | begin |
||
180 | objLine := Self.items[i] as TVtsAsciiTableLine; |
||
181 | if objLine <> nil then |
||
182 | begin |
||
183 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
184 | begin |
||
185 | len := Length(objLine.Cont[j]); |
||
92 | daniel-mar | 186 | if TryStrToInt(objLine.Cont[j], itmp) and objLine.DoSum[j] then |
91 | daniel-mar | 187 | result.Sum[j] := result.Sum[j] + itmp; |
89 | daniel-mar | 188 | if len > result.MaxLen[j] then |
189 | result.MaxLen[j] := len; |
||
190 | if len > 0 then |
||
191 | result.Used[j] := true; |
||
192 | end; |
||
193 | end; |
||
194 | end; |
||
195 | end; |
||
196 | |||
197 | procedure TVtsAsciiTable.GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
||
198 | var |
||
199 | analysis: TVtsAsciiTableAnalysis; |
||
200 | objLine: TVtsAsciiTableLine; |
||
201 | i: Integer; |
||
202 | sLine: string; |
||
203 | j: Integer; |
||
204 | itmp: Integer; |
||
205 | padchar: Char; |
||
206 | firstcol: boolean; |
||
207 | width: Integer; |
||
208 | begin |
||
209 | analysis := GetAnalysis; |
||
210 | //sl.Clear; |
||
211 | for i := 0 to Self.Count-1 do |
||
212 | begin |
||
213 | objLine := Self.items[i] as TVtsAsciiTableLine; |
||
214 | sLine := ''; |
||
215 | if objLine <> nil then |
||
216 | begin |
||
217 | firstcol := true; |
||
218 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
219 | begin |
||
220 | if not analysis.Used[j] then continue; |
||
221 | |||
222 | padchar := objLine.PadChar[j]; |
||
223 | if padchar = #0 then padchar := ' '; |
||
224 | |||
225 | if firstcol then |
||
226 | firstcol := false |
||
227 | else |
||
228 | sLine := sLine + StringOfChar(' ', spaceBetween); |
||
229 | |||
230 | if objLine.Align[j] = taRightJustify then |
||
231 | begin |
||
232 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
||
233 | sLine := sLine + objLine.Cont[j]; |
||
234 | end |
||
235 | else if objLine.Align[j] = taLeftJustify then |
||
236 | begin |
||
237 | sLine := sLine + objLine.Cont[j]; |
||
238 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
||
239 | end |
||
240 | else if objLine.Align[j] = taCenter then |
||
241 | begin |
||
242 | if Odd(analysis.MaxLen[j]-Length(objLine.Cont[j])) then itmp := 1 else itmp := 0; |
||
243 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2); |
||
244 | sLine := sLine + objLine.Cont[j]; |
||
245 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2 + itmp); |
||
246 | end |
||
247 | else |
||
248 | Assert(false); |
||
249 | end; |
||
250 | end |
||
251 | else |
||
252 | begin |
||
253 | firstcol := true; |
||
254 | width := 0; |
||
255 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
256 | begin |
||
257 | if not analysis.Used[j] then continue; |
||
258 | if firstcol then |
||
259 | firstcol := false |
||
260 | else |
||
261 | width := width + spaceBetween; |
||
262 | width := width + analysis.MaxLen[j]; |
||
263 | end; |
||
264 | |||
265 | sLine := sLine + StringOfChar('-', Width); |
||
266 | end; |
||
267 | sl.Add(sLine); |
||
268 | end; |
||
269 | end; |
||
270 | |||
271 | function CsvQuoteStr(s: string): string; |
||
272 | begin |
||
273 | s := StringReplace(s, #13#10, ' ', [rfReplaceAll]); |
||
274 | s := StringReplace(s, #13, ' ', [rfReplaceAll]); |
||
275 | s := StringReplace(s, #10, ' ', [rfReplaceAll]); |
||
276 | if s = '' then |
||
277 | result := '' |
||
278 | else if (AnsiPos('"', s)>0) or (AnsiPos('''', s)>0) or (AnsiPos(';', s)>0) or |
||
279 | (AnsiPos(#9, s)>0) or (AnsiPos(' ', s)>0) then |
||
280 | result := '"' + StringReplace(s, '"', '""', [rfReplaceAll]) + '"' |
||
281 | else |
||
282 | result := s; |
||
283 | end; |
||
284 | |||
285 | procedure TVtsAsciiTable.GetCSV(sl: TStrings); |
||
286 | var |
||
287 | analysis: TVtsAsciiTableAnalysis; |
||
288 | objLine: TVtsAsciiTableLine; |
||
289 | i: Integer; |
||
290 | sLine: string; |
||
291 | j: Integer; |
||
292 | firstcol: boolean; |
||
293 | begin |
||
294 | analysis := GetAnalysis; |
||
295 | //sl.Clear; |
||
296 | for i := 0 to Self.Count-1 do |
||
297 | begin |
||
298 | objLine := Self.items[i] as TVtsAsciiTableLine; |
||
299 | if objLine = nil then continue; |
||
91 | daniel-mar | 300 | if objLine.IsSumLine then continue; |
89 | daniel-mar | 301 | sLine := ''; |
302 | firstcol := true; |
||
303 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
304 | begin |
||
305 | if not analysis.Used[j] then continue; |
||
306 | if firstcol then |
||
307 | firstcol := false |
||
308 | else |
||
309 | sLine := sLine + ';'; |
||
310 | sLine := sLine + CsvQuoteStr(objLine.Cont[j]); |
||
311 | end; |
||
312 | sl.Add(sLine); |
||
313 | end; |
||
314 | end; |
||
315 | |||
316 | function TVtsAsciiTable.GetItem(Index: Integer): TVtsAsciiTableLine; |
||
317 | begin |
||
318 | result := (Inherited Items[Index]) as TVtsAsciiTableLine; |
||
319 | end; |
||
320 | |||
321 | procedure TVtsAsciiTable.Insert(Index: Integer; AObject: TVtsAsciiTableLine); |
||
322 | begin |
||
323 | Inherited Insert(Index, AObject); |
||
324 | end; |
||
325 | |||
90 | daniel-mar | 326 | procedure TVtsAsciiTable.SaveASCIITable(filename: string; |
327 | spaceBetween: integer); |
||
328 | var |
||
329 | sl: TStringList; |
||
330 | begin |
||
331 | sl := TStringList.Create; |
||
332 | try |
||
333 | GetASCIITable(sl, spaceBetween); |
||
334 | sl.SaveToFile(filename); |
||
335 | finally |
||
336 | FreeAndNil(sl); |
||
337 | end; |
||
338 | end; |
||
339 | |||
340 | procedure TVtsAsciiTable.SaveCSV(filename: string); |
||
341 | var |
||
342 | sl: TStringList; |
||
343 | begin |
||
344 | sl := TStringList.Create; |
||
345 | try |
||
346 | GetCSV(sl); |
||
347 | sl.SaveToFile(filename); |
||
348 | finally |
||
349 | FreeAndNil(sl); |
||
350 | end; |
||
351 | end; |
||
352 | |||
89 | daniel-mar | 353 | procedure TVtsAsciiTable.SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
354 | begin |
||
355 | Inherited Items[Index] := Value; |
||
356 | end; |
||
357 | |||
358 | { TVtsAsciiTableLine } |
||
359 | |||
360 | procedure TVtsAsciiTableLine.Clear; |
||
361 | var |
||
362 | i: Integer; |
||
363 | begin |
||
364 | for i := 0 to VTS_ASCII_TABLE_COLS-1 do |
||
365 | begin |
||
366 | PadChar[i] := #0; |
||
367 | Align[i] := taLeftJustify; |
||
368 | Cont[i] := ''; |
||
369 | end; |
||
370 | end; |
||
371 | |||
372 | procedure TVtsAsciiTableLine.SetVal(index: integer; ACont: string; |
||
92 | daniel-mar | 373 | AAlign: TAlignment=taLeftJustify; APadChar: char=' '; ADoSum: boolean=false); |
89 | daniel-mar | 374 | begin |
375 | Self.Cont[index] := ACont; |
||
376 | Self.Align[index] := AAlign; |
||
377 | Self.PadChar[index] := APadChar; |
||
92 | daniel-mar | 378 | Self.DoSum[index] := ADoSum; |
89 | daniel-mar | 379 | end; |
380 | |||
381 | end. |