1 using Autodesk.AutoCAD.ApplicationServices;
2 using Autodesk.AutoCAD.DatabaseServices;
3 using Autodesk.AutoCAD.EditorInput;
4 using Autodesk.AutoCAD.Geometry;
5 using Autodesk.AutoCAD.Runtime;
6 using System.Collections.Specialized;
7 using System;
8
9 namespace TableCreation
10 {
11 public class Commands
12 {
13 // Set up some formatting constants
14 // for the table
15
16 const double colWidth = 15.0;
17 const double rowHeight = 3.0;
18 const double textHeight = 1.0;
19 const CellAlignment cellAlign =
20 CellAlignment.MiddleCenter;
21
22 // Helper function to set text height
23 // and alignment of specific cells,
24 // as well as inserting the text
25
26 static public void SetCellText(
27 Table tb,
28 int row,
29 int col,
30 string value
31 )
32 {
33 tb.SetAlignment(row, col, cellAlign);
34 tb.SetTextHeight(row, col, textHeight);
35 tb.SetTextString(row, col, value);
36 }
37
38 [CommandMethod("BAT")]
39 static public void BlockAttributeTable()
40 {
41 Document doc =
42 Application.DocumentManager.MdiActiveDocument;
43 Database db = doc.Database;
44 Editor ed = doc.Editor;
45
46 // Ask for the name of the block to find
47
48 PromptStringOptions opt =
49 new PromptStringOptions(
50 "\nEnter name of block to list: "
51 );
52 PromptResult pr = ed.GetString(opt);
53
54 if (pr.Status == PromptStatus.OK)
55 {
56 string blockToFind =
57 pr.StringResult.ToUpper();
58 bool embed = false;
59
60 // And the attribute to provide total for
61
62 opt.Message =
63 "\nEnter name of column to total <\"\">: ";
64 pr = ed.GetString(opt);
65
66 if (pr.Status == PromptStatus.None ||
67 pr.Status == PromptStatus.OK)
68 {
69 string columnToTotal =
70 pr.StringResult.ToUpper();
71
72 if (columnToTotal != "")
73 {
74 // If a column has been chosen, we need
75 // to embed the attribute values
76 // as otherwise the "sum" formula will fail
77
78 embed = true;
79 }
80 else
81 {
82 // Ask whether to embed or link
83
84 PromptKeywordOptions pko =
85 new PromptKeywordOptions(
86 "\nEmbed or link the attribute values: "
87 );
88
89 pko.AllowNone = true;
90 pko.Keywords.Add("Embed");
91 pko.Keywords.Add("Link");
92 pko.Keywords.Default = "Embed";
93 PromptResult pkr =
94 ed.GetKeywords(pko);
95
96 if (pkr.Status == PromptStatus.None ||
97 pkr.Status == PromptStatus.OK)
98 {
99 if (pkr.Status == PromptStatus.None ||
100 pkr.StringResult == "Embed")
101 embed = true;
102 else
103 embed = false;
104 }
105 }
106
107 Transaction tr =
108 doc.TransactionManager.StartTransaction();
109 using (tr)
110 {
111 // Let's check the block exists
112
113 BlockTable bt =
114 (BlockTable)tr.GetObject(
115 doc.Database.BlockTableId,
116 OpenMode.ForRead
117 );
118
119 if (!bt.Has(blockToFind))
120 {
121 ed.WriteMessage(
122 "\nBlock "
123 + blockToFind
124 + " does not exist."
125 );
126 }
127 else
128 {
129 // And go through looking for
130 // attribute definitions
131
132 StringCollection colNames =
133 new StringCollection();
134 int colToTotalIdx = -1;
135
136 BlockTableRecord bd =
137 (BlockTableRecord)tr.GetObject(
138 bt[blockToFind],
139 OpenMode.ForRead
140 );
141 foreach (ObjectId adId in bd)
142 {
143 DBObject adObj =
144 tr.GetObject(
145 adId,
146 OpenMode.ForRead
147 );
148
149 // For each attribute definition we find...
150
151 AttributeDefinition ad =
152 adObj as AttributeDefinition;
153 if (ad != null)
154 {
155 // ... we add its name to the list
156
157 colNames.Add(ad.Tag);
158
159 if (ad.Tag.ToUpper() == columnToTotal)
160 {
161 // Save the index of the column
162 // we want to total
163
164 colToTotalIdx =
165 colNames.Count - 1;
166 }
167 }
168 }
169 // If we didn't find the attribute to be totalled
170 // then simply ignore the request and continue
171
172 if (columnToTotal != "" && colToTotalIdx < 0)
173 {
174 ed.WriteMessage(
175 "\nAttribute definition for "
176 + columnToTotal
177 + " not found in "
178 + blockToFind
179 + ". Total will not be added to the table."
180 );
181 }
182 if (colNames.Count == 0)
183 {
184 ed.WriteMessage(
185 "\nThe block "
186 + blockToFind
187 + " contains no attribute definitions."
188 );
189 }
190 else
191 {
192 // Ask the user for the insertion point
193 // and then create the table
194
195 PromptPointResult ppr =
196 ed.GetPoint(
197 "\nEnter table insertion point: "
198 );
199
200 if (ppr.Status == PromptStatus.OK)
201 {
202 Table tb = new Table();
203 tb.TableStyle = db.Tablestyle;
204 tb.NumRows = 1;
205 tb.NumColumns = colNames.Count;
206 tb.SetRowHeight(rowHeight);
207 tb.SetColumnWidth(colWidth);
208 tb.Position = ppr.Value;
209
210 // Let's add our column headings
211
212 for (int i = 0; i < colNames.Count; i++)
213 {
214 SetCellText(tb, 0, i, colNames);
215 }
216
217 // Now let's search for instances of
218 // our block in the modelspace
219
220 BlockTableRecord ms =
221 (BlockTableRecord)tr.GetObject(
222 bt[BlockTableRecord.ModelSpace],
223 OpenMode.ForRead
224 );
225
226 int rowNum = 1;
227 foreach (ObjectId objId in ms)
228 {
229 DBObject obj =
230 tr.GetObject(
231 objId,
232 OpenMode.ForRead
233 );
234 BlockReference br =
235 obj as BlockReference;
236 if (br != null)
237 {
238 BlockTableRecord btr =
239 (BlockTableRecord)tr.GetObject(
240 br.BlockTableRecord,
241 OpenMode.ForRead
242 );
243 using (btr)
244 {
245 if (btr.Name.ToUpper() == blockToFind)
246 {
247 // We have found one of our blocks,
248 // so add a row for it in the table
249
250 tb.InsertRows(
251 rowNum,
252 rowHeight,
253 1
254 );
255
256 // Assume that the attribute refs
257 // follow the same order as the
258 // attribute defs in the block
259
260 int attNum = 0;
261 foreach (
262 ObjectId arId in
263 br.AttributeCollection
264 )
265 {
266 DBObject arObj =
267 tr.GetObject(
268 arId,
269 OpenMode.ForRead
270 );
271 AttributeReference ar =
272 arObj as AttributeReference;
273 if (ar != null)
274 {
275 // Embed or link the values
276
277 string strCell;
278 if (embed)
279 {
280 strCell = ar.TextString;
281 }
282 else
283 {
284 string strArId =
285 arId.ToString();
286 strArId =
287 strArId.Trim(
288 new char[] { '(', ')' }
289 );
290 strCell =
291 "%<\\AcObjProp Object("
292 + "%<\\_ObjId "
293 + strArId
294 + ">%).TextString>%";
295 }
296 SetCellText(
297 tb,
298 rowNum,
299 attNum,
300 strCell
301 );
302 }
303 attNum++;
304 }
305 rowNum++;
306 }
307 }
308 }
309 }
310
311 // Now let's add a row for our total
312
313 if (colToTotalIdx >= 0)
314 {
315 tb.InsertRows(rowNum, rowHeight, 1);
316 char colLetter =
317 Convert.ToChar(
318 (Convert.ToInt32(
319 'A') + colToTotalIdx
320 )
321 );
322
323 // Add a formula to sum the column
324
325 SetCellText(
326 tb,
327 rowNum,
328 colToTotalIdx,
329 "%<\\AcExpr (Sum("
330 + colLetter
331 + "2:"
332 + colLetter
333 + rowNum.ToString()
334 + ")) \\f \"%lu2%pr2\">%"
335 );
336 }
337 tb.GenerateLayout();
338
339 ms.UpgradeOpen();
340 ms.AppendEntity(tb);
341 tr.AddNewlyCreatedDBObject(tb, true);
342 tr.Commit();
343 ed.Regen();
344 }
345 }
346 }
347 }
348 }
349 }
350 }
351 }
352 }