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Rev | Author | Line No. | Line |
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96 | daniel-mar | 1 | unit hl.Utils.AsciiTable; |
89 | daniel-mar | 2 | |
94 | daniel-mar | 3 | // Download: |
4 | // https://github.com/danielmarschall/delphiutils/blob/master/Units/AsciiTable.pas |
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5 | |||
89 | daniel-mar | 6 | (* |
7 | * ASCII Table and CSV Generator Delphi Unit |
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97 | daniel-mar | 8 | * Revision 2024-02-08 |
89 | daniel-mar | 9 | * |
96 | daniel-mar | 10 | * (C) 2022-2024 Daniel Marschall, HickelSOFT, ViaThinkSoft |
89 | daniel-mar | 11 | * Licensed under the terms of Apache 2.0 |
12 | *) |
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13 | |||
14 | { |
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15 | |||
16 | Example usage: |
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17 | |||
18 | uses |
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19 | AsciiTable, ContNrs; |
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20 | |||
21 | procedure TForm1.Button1Click(Sender: TObject); |
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22 | var |
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23 | VirtTable: TVtsAsciiTable; |
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24 | objLine: TVtsAsciiTableLine; |
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25 | begin |
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26 | VirtTable := TVtsAsciiTable.Create(true); |
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94 | daniel-mar | 27 | try |
28 | VirtTable.Clear; |
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89 | daniel-mar | 29 | |
94 | daniel-mar | 30 | // Create Test data |
31 | objLine := TVtsAsciiTableLine.Create; |
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32 | objLine.SetVal(0, 'Fruit', taCenter); |
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33 | objLine.SetVal(1, 'Amount', taCenter); |
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34 | VirtTable.Add(objLine); |
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89 | daniel-mar | 35 | |
94 | daniel-mar | 36 | VirtTable.AddSeparator; |
89 | daniel-mar | 37 | |
94 | daniel-mar | 38 | objLine := TVtsAsciiTableLine.Create; |
39 | objLine.SetVal(0, 'Apple', taLeftJustify); |
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40 | objLine.SetVal(1, '123', taRightJustify); |
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41 | VirtTable.Add(objLine); |
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89 | daniel-mar | 42 | |
94 | daniel-mar | 43 | objLine := TVtsAsciiTableLine.Create; |
44 | objLine.SetVal(0, 'Kiwi', taLeftJustify); |
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45 | objLine.SetVal(1, '1', taRightJustify); |
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46 | VirtTable.Add(objLine); |
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89 | daniel-mar | 47 | |
94 | daniel-mar | 48 | objLine := TVtsAsciiTableLine.Create; |
49 | objLine.SetVal(0, 'Asparagus (green)', taLeftJustify); |
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50 | objLine.SetVal(1, '9999', taRightJustify); |
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51 | VirtTable.Add(objLine); |
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89 | daniel-mar | 52 | |
94 | daniel-mar | 53 | objLine := TVtsAsciiTableLine.Create; |
54 | objLine.SetVal(0, 'Asparagus (white)', taLeftJustify); |
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55 | objLine.SetVal(1, '999', taRightJustify); |
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56 | VirtTable.Add(objLine); |
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89 | daniel-mar | 57 | |
94 | daniel-mar | 58 | VirtTable.AddSeparator; |
59 | VirtTable.AddSumLine; |
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91 | daniel-mar | 60 | |
94 | daniel-mar | 61 | // Create ASCII table |
62 | Memo1.Clear; |
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63 | VirtTable.GetASCIITable(Memo1.Lines); |
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89 | daniel-mar | 64 | |
94 | daniel-mar | 65 | // Save ASCII table |
66 | VirtTable.SaveASCIITable('Order.txt'); |
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90 | daniel-mar | 67 | |
94 | daniel-mar | 68 | // Create CSV |
69 | Memo2.Clear; |
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70 | VirtTable.GetCSV(Memo2.Lines); |
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89 | daniel-mar | 71 | |
94 | daniel-mar | 72 | // Save CSV |
73 | VirtTable.SaveCSV('Order.csv'); |
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74 | finally |
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75 | FreeAndNil(VirtTable); |
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76 | end; |
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89 | daniel-mar | 77 | end; |
78 | |||
79 | } |
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80 | |||
81 | interface |
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82 | |||
83 | uses |
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84 | ContNrs, Classes, SysUtils; |
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85 | |||
86 | const |
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87 | VTS_ASCII_TABLE_COLS = 10; |
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88 | |||
89 | type |
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90 | TVtsAsciiTableLine = class(TObject) |
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91 | daniel-mar | 91 | private |
92 | IsSumLine: boolean; |
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93 | //IsSeparator: boolean; |
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89 | daniel-mar | 94 | public |
95 | Cont: array[0..VTS_ASCII_TABLE_COLS-1] of string; |
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96 | Align: array[0..VTS_ASCII_TABLE_COLS-1] of TAlignment; |
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97 | PadChar: array[0..VTS_ASCII_TABLE_COLS-1] of char; |
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92 | daniel-mar | 98 | DoSum: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
89 | daniel-mar | 99 | procedure Clear; |
92 | daniel-mar | 100 | procedure SetVal(index: integer; ACont: string; AAlign: TAlignment=taLeftJustify; |
101 | APadChar: char=' '; ADoSum: boolean=false); |
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89 | daniel-mar | 102 | end; |
103 | |||
104 | TVtsAsciiTableAnalysis = record |
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105 | MaxLen: array[0..VTS_ASCII_TABLE_COLS-1] of integer; |
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106 | Used: array[0..VTS_ASCII_TABLE_COLS-1] of boolean; |
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94 | daniel-mar | 107 | Sum: array[0..VTS_ASCII_TABLE_COLS-1] of extended; |
89 | daniel-mar | 108 | end; |
109 | |||
110 | TVtsAsciiTable = class(TObjectList{<TVtsAsciiTableLine>}) |
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111 | private |
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112 | function GetItem(Index: Integer): TVtsAsciiTableLine; |
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113 | procedure SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
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114 | public |
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115 | function GetAnalysis: TVtsAsciiTableAnalysis; |
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93 | daniel-mar | 116 | procedure GetASCIITable(sl: TStrings; spaceBetween: integer=3); overload; |
117 | function GetASCIITable(spaceBetween: integer=3): string; overload; |
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90 | daniel-mar | 118 | procedure SaveASCIITable(filename: string; spaceBetween: integer=3); |
89 | daniel-mar | 119 | procedure GetCSV(sl: TStrings); |
90 | daniel-mar | 120 | procedure SaveCSV(filename: string); |
89 | daniel-mar | 121 | |
122 | procedure AddSeparator; |
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91 | daniel-mar | 123 | procedure AddSumLine; |
89 | daniel-mar | 124 | |
125 | // Just a little bit type-safe... The rest stays TObject for now |
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126 | function Add(AObject: TVtsAsciiTableLine): Integer; reintroduce; |
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127 | property Items[Index: Integer]: TVtsAsciiTableLine read GetItem write SetItem; |
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128 | procedure Insert(Index: Integer; AObject: TVtsAsciiTableLine); reintroduce; |
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129 | end; |
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130 | |||
131 | implementation |
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132 | |||
94 | daniel-mar | 133 | uses |
134 | Math; |
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135 | |||
89 | daniel-mar | 136 | { TVtsAsciiTable } |
137 | |||
138 | function TVtsAsciiTable.Add(AObject: TVtsAsciiTableLine): Integer; |
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139 | begin |
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140 | result := Inherited Add(AObject); |
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141 | end; |
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142 | |||
143 | procedure TVtsAsciiTable.AddSeparator; |
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144 | begin |
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145 | Inherited Add(nil); |
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146 | end; |
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147 | |||
91 | daniel-mar | 148 | procedure TVtsAsciiTable.AddSumLine; |
149 | var |
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150 | objLine: TVtsAsciiTableLine; |
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151 | j: Integer; |
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152 | analysis: TVtsAsciiTableAnalysis; |
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92 | daniel-mar | 153 | found: boolean; |
91 | daniel-mar | 154 | begin |
155 | objLine := TVtsAsciiTableLine.Create; |
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156 | objLine.IsSumLine := true; |
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157 | analysis := GetAnalysis; |
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92 | daniel-mar | 158 | found := false; |
91 | daniel-mar | 159 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
160 | begin |
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161 | if analysis.Sum[j] <> 0 then |
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92 | daniel-mar | 162 | begin |
96 | daniel-mar | 163 | objLine.SetVal(j, FloatToStr(RoundTo(analysis.Sum[j], -2)), taRightJustify, ' '); |
92 | daniel-mar | 164 | found := true; |
165 | end; |
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91 | daniel-mar | 166 | end; |
92 | daniel-mar | 167 | if found then |
168 | Inherited Add(objLine) |
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169 | else |
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94 | daniel-mar | 170 | FreeAndNil(objLine); |
91 | daniel-mar | 171 | end; |
172 | |||
89 | daniel-mar | 173 | function TVtsAsciiTable.GetAnalysis: TVtsAsciiTableAnalysis; |
174 | var |
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175 | j: Integer; |
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176 | i: Integer; |
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177 | objLine: TVtsAsciiTableLine; |
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178 | len: Integer; |
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94 | daniel-mar | 179 | itmp: extended; |
89 | daniel-mar | 180 | begin |
181 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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182 | begin |
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183 | result.MaxLen[j] := 0; |
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184 | result.Used[j] := false; |
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91 | daniel-mar | 185 | result.Sum[j] := 0; |
89 | daniel-mar | 186 | end; |
187 | for i := 0 to Self.Count-1 do |
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188 | begin |
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189 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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190 | if objLine <> nil then |
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191 | begin |
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192 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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193 | begin |
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194 | len := Length(objLine.Cont[j]); |
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96 | daniel-mar | 195 | if objLine.DoSum[j] and TryStrToFloat(objLine.Cont[j], itmp) then |
196 | result.Sum[j] := RoundTo(result.Sum[j] + itmp, -2); |
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89 | daniel-mar | 197 | if len > result.MaxLen[j] then |
198 | result.MaxLen[j] := len; |
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199 | if len > 0 then |
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200 | result.Used[j] := true; |
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201 | end; |
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202 | end; |
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203 | end; |
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204 | end; |
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205 | |||
93 | daniel-mar | 206 | function TVtsAsciiTable.GetASCIITable(spaceBetween: integer): string; |
207 | var |
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208 | sl: TStringList; |
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209 | begin |
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210 | sl := TStringList.Create; |
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211 | try |
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212 | GetASCIITable(sl, spaceBetween); |
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213 | result := sl.Text; |
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214 | finally |
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215 | FreeAndNil(sl); |
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216 | end; |
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217 | end; |
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218 | |||
89 | daniel-mar | 219 | procedure TVtsAsciiTable.GetASCIITable(sl: TStrings; spaceBetween: integer=3); |
220 | var |
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221 | analysis: TVtsAsciiTableAnalysis; |
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222 | objLine: TVtsAsciiTableLine; |
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223 | i: Integer; |
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224 | sLine: string; |
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225 | j: Integer; |
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226 | itmp: Integer; |
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227 | padchar: Char; |
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228 | firstcol: boolean; |
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229 | width: Integer; |
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230 | begin |
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231 | analysis := GetAnalysis; |
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232 | //sl.Clear; |
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233 | for i := 0 to Self.Count-1 do |
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234 | begin |
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235 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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236 | sLine := ''; |
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237 | if objLine <> nil then |
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238 | begin |
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239 | firstcol := true; |
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240 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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241 | begin |
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242 | if not analysis.Used[j] then continue; |
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243 | |||
244 | padchar := objLine.PadChar[j]; |
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245 | if padchar = #0 then padchar := ' '; |
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246 | |||
247 | if firstcol then |
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248 | firstcol := false |
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249 | else |
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250 | sLine := sLine + StringOfChar(' ', spaceBetween); |
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251 | |||
252 | if objLine.Align[j] = taRightJustify then |
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253 | begin |
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254 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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255 | sLine := sLine + objLine.Cont[j]; |
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256 | end |
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257 | else if objLine.Align[j] = taLeftJustify then |
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258 | begin |
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259 | sLine := sLine + objLine.Cont[j]; |
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260 | sLine := sLine + StringOfChar(padchar, analysis.MaxLen[j]-Length(objLine.Cont[j])); |
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261 | end |
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262 | else if objLine.Align[j] = taCenter then |
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263 | begin |
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264 | if Odd(analysis.MaxLen[j]-Length(objLine.Cont[j])) then itmp := 1 else itmp := 0; |
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265 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2); |
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266 | sLine := sLine + objLine.Cont[j]; |
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267 | sLine := sLine + StringOfChar(padchar, (analysis.MaxLen[j]-Length(objLine.Cont[j])) div 2 + itmp); |
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268 | end |
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269 | else |
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270 | Assert(false); |
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271 | end; |
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272 | end |
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273 | else |
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274 | begin |
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275 | firstcol := true; |
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276 | width := 0; |
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277 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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278 | begin |
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279 | if not analysis.Used[j] then continue; |
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280 | if firstcol then |
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281 | firstcol := false |
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282 | else |
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283 | width := width + spaceBetween; |
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284 | width := width + analysis.MaxLen[j]; |
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285 | end; |
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286 | |||
287 | sLine := sLine + StringOfChar('-', Width); |
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288 | end; |
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97 | daniel-mar | 289 | sl.Add(TrimRight(sLine)); |
89 | daniel-mar | 290 | end; |
291 | end; |
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292 | |||
293 | function CsvQuoteStr(s: string): string; |
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294 | begin |
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295 | s := StringReplace(s, #13#10, ' ', [rfReplaceAll]); |
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296 | s := StringReplace(s, #13, ' ', [rfReplaceAll]); |
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297 | s := StringReplace(s, #10, ' ', [rfReplaceAll]); |
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298 | if s = '' then |
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299 | result := '' |
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300 | else if (AnsiPos('"', s)>0) or (AnsiPos('''', s)>0) or (AnsiPos(';', s)>0) or |
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301 | (AnsiPos(#9, s)>0) or (AnsiPos(' ', s)>0) then |
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302 | result := '"' + StringReplace(s, '"', '""', [rfReplaceAll]) + '"' |
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303 | else |
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304 | result := s; |
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305 | end; |
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306 | |||
307 | procedure TVtsAsciiTable.GetCSV(sl: TStrings); |
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308 | var |
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309 | analysis: TVtsAsciiTableAnalysis; |
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310 | objLine: TVtsAsciiTableLine; |
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311 | i: Integer; |
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312 | sLine: string; |
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313 | j: Integer; |
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314 | firstcol: boolean; |
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315 | begin |
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316 | analysis := GetAnalysis; |
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317 | //sl.Clear; |
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318 | for i := 0 to Self.Count-1 do |
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319 | begin |
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320 | objLine := Self.items[i] as TVtsAsciiTableLine; |
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321 | if objLine = nil then continue; |
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91 | daniel-mar | 322 | if objLine.IsSumLine then continue; |
89 | daniel-mar | 323 | sLine := ''; |
324 | firstcol := true; |
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325 | for j := 0 to VTS_ASCII_TABLE_COLS-1 do |
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326 | begin |
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327 | if not analysis.Used[j] then continue; |
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328 | if firstcol then |
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329 | firstcol := false |
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330 | else |
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331 | sLine := sLine + ';'; |
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332 | sLine := sLine + CsvQuoteStr(objLine.Cont[j]); |
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333 | end; |
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97 | daniel-mar | 334 | sl.Add(TrimRight(sLine)); |
89 | daniel-mar | 335 | end; |
336 | end; |
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337 | |||
338 | function TVtsAsciiTable.GetItem(Index: Integer): TVtsAsciiTableLine; |
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339 | begin |
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340 | result := (Inherited Items[Index]) as TVtsAsciiTableLine; |
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341 | end; |
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342 | |||
343 | procedure TVtsAsciiTable.Insert(Index: Integer; AObject: TVtsAsciiTableLine); |
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344 | begin |
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345 | Inherited Insert(Index, AObject); |
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346 | end; |
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347 | |||
90 | daniel-mar | 348 | procedure TVtsAsciiTable.SaveASCIITable(filename: string; |
349 | spaceBetween: integer); |
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350 | var |
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351 | sl: TStringList; |
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352 | begin |
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353 | sl := TStringList.Create; |
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354 | try |
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355 | GetASCIITable(sl, spaceBetween); |
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356 | sl.SaveToFile(filename); |
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357 | finally |
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358 | FreeAndNil(sl); |
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359 | end; |
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360 | end; |
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361 | |||
362 | procedure TVtsAsciiTable.SaveCSV(filename: string); |
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363 | var |
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364 | sl: TStringList; |
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365 | begin |
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366 | sl := TStringList.Create; |
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367 | try |
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368 | GetCSV(sl); |
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369 | sl.SaveToFile(filename); |
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370 | finally |
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371 | FreeAndNil(sl); |
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372 | end; |
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373 | end; |
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374 | |||
89 | daniel-mar | 375 | procedure TVtsAsciiTable.SetItem(Index: Integer; const Value: TVtsAsciiTableLine); |
376 | begin |
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377 | Inherited Items[Index] := Value; |
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378 | end; |
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379 | |||
380 | { TVtsAsciiTableLine } |
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381 | |||
382 | procedure TVtsAsciiTableLine.Clear; |
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383 | var |
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384 | i: Integer; |
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385 | begin |
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386 | for i := 0 to VTS_ASCII_TABLE_COLS-1 do |
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387 | begin |
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388 | PadChar[i] := #0; |
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389 | Align[i] := taLeftJustify; |
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390 | Cont[i] := ''; |
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391 | end; |
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392 | end; |
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393 | |||
394 | procedure TVtsAsciiTableLine.SetVal(index: integer; ACont: string; |
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92 | daniel-mar | 395 | AAlign: TAlignment=taLeftJustify; APadChar: char=' '; ADoSum: boolean=false); |
89 | daniel-mar | 396 | begin |
397 | Self.Cont[index] := ACont; |
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398 | Self.Align[index] := AAlign; |
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399 | Self.PadChar[index] := APadChar; |
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92 | daniel-mar | 400 | Self.DoSum[index] := ADoSum; |
89 | daniel-mar | 401 | end; |
402 | |||
97 | daniel-mar | 403 | end. |