/* Strip the filename of its prefix and make a new copy.
*/
#ifdef _WIN32
#define PATHSEPCHAR '\\'
#else
#define PATHSEPCHAR '/'
#endif /* _WIN32 */
char *StripPrefix(char *name)
{
char *ptr, *nptr;
if ((ptr = strrchr(name, PATHSEPCHAR)) == NULL)
return StrDup(name);
if (NULL == (nptr = StrDup(ptr+1))) {
nptr = acad_malloc(sizeof(""));
nptr[0] = '\0';
}
return nptr;
}
void
refEditApiExample()
{
AcDbObjectId transId;
AcDbDatabase* pDb;
char *fname;
struct resbuf *rb;
// Get a dwg file from the user.
//
rb = acutNewRb(RTSTR);
int stat = acedGetFileD("Pick a drawing", NULL, "dwg", 0, rb);
if ((stat != RTNORM) || (rb == NULL)) {
acutPrintf("\nYou must pick a drawing file.");
return;
}
fname = (char*)acad_malloc(strlen(rb->resval.rstring) + 1);
strcpy(fname, rb->resval.rstring);
acutRelRb(rb);
// Open the dwg file.
//
pDb = new AcDbDatabase(Adesk::kFalse);
if (pDb->readDwgFile(fname) != Acad::eOk) {
acutPrintf("\nSorry, that draing is probably already open.");
return;
}
// Get the Block Table and then the model space record.
//
AcDbBlockTable *pBlockTable;
pDb->getSymbolTable(pBlockTable, AcDb::kForRead);
AcDbBlockTableRecord *pOtherMsBtr;
pBlockTable->getAt(ACDB_MODEL_SPACE, pOtherMsBtr, AcDb::kForRead);
pBlockTable->close();
// Create an iterator.
//
AcDbBlockTableRecordIterator *pIter;
pOtherMsBtr->newIterator(pIter);
// Set up an object ID array.
//
AcDbObjectIdArray objIdArray;
// Iterate over the model space BTR. Look specifically
// for lines and append their object ID to the array.
//
for (pIter->start(); !pIter->done(); pIter->step()) {
AcDbEntity *pEntity;
pIter->getEntity(pEntity, AcDb::kForRead);
// Look for only AcDbLine objects and add them to the
// object ID array.
//
if (pEntity->isKindOf(AcDbLine::desc())) {
objIdArray.append(pEntity->objectId());
}
pEntity->close();
}
delete pIter;
pOtherMsBtr->close();
if (objIdArray.isEmpty()) {
acad_free(fname);
acutPrintf("\nYou must pick a drawing file that contains lines.");
return;
}
// Now get the current database and the object ID for the
// current database's model space BTR.
//
AcDbBlockTable *pThisBlockTable;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pThisBlockTable, AcDb::kForRead);
AcDbBlockTableRecord *pThisMsBtr;
pThisBlockTable->getAt(ACDB_MODEL_SPACE, pThisMsBtr, AcDb::kForWrite);
pThisBlockTable->close();
AcDbObjectId id = pThisMsBtr->objectId();
pThisMsBtr->close();
// Create the long transaction. This will check all the entities
// out of the external database.
//
AcDbIdMapping errorMap;
acapLongTransactionManagerPtr()->checkOut(transId, objIdArray, id, errorMap);
// Now modify the color of these entities.
//
int colorIndex;
acedGetInt("\nEnter color number to change entities to: ", &colorIndex);
AcDbObject* pObj;
if (acdbOpenObject(pObj, transId, AcDb::kForRead) == Acad::eOk) {
// Get a pointer to the transaction.
//
AcDbLongTransaction* pLongTrans = AcDbLongTransaction::cast(pObj);
if (pLongTrans != NULL) {
// Get a work set iterator.
//
AcDbLongTransWorkSetIterator* pWorkSetIter;
pLongTrans->newWorkSetIterator(pWorkSetIter);
// Iterate over the entities in the work set and change the color.
//
for (pWorkSetIter->start(); !pWorkSetIter->done(); pWorkSetIter->step()) {
AcDbEntity *pEntity;
acdbOpenAcDbEntity(pEntity, pWorkSetIter->objectId(), AcDb::kForWrite);
pEntity->setColorIndex(colorIndex);
pEntity->close();
}
delete pWorkSetIter;
}
pObj->close();
}
// Pause to see the change.
//
char str[132];
acedGetString(0, "\nSee the new colors. Press return to check the object into the original database", str);
// Check the entities back in to the original database.
//
acapLongTransactionManagerPtr()->checkIn(transId, errorMap);
// Save the original database, since we have made changes.
//
pDb->saveAs(fname);
// Close/Delete the database
//
delete pDb;
pDb = NULL;
acad_free(fname);
}