//0，不显示属性，1，显示属性，2，显示属性默认值
void CZhfPalette::FilterDb(AcDbDatabase* pDb, int iFilterMode)
{
if (iFilterMode==1)
{
return ;
}
Acad::ErrorStatus es ;
AcDbBlockTable* pBT = NULL ;
pDb->getBlockTable(pBT, AcDb::kForRead);
AcDbBlockTableRecord* pBTR = NULL;
es = pBT->getAt(ACDB_MODEL_SPACE, pBTR, AcDb::kForWrite);
pBT->close();
AcDbBlockTableRecordIterator* pIT;
es = pBTR->newIterator(pIT) ;
for (; !pIT->done(); pIT->step())
{
AcDbEntity* pEnt = NULL ;
if (Acad::eOk==pIT->getEntity(pEnt, AcDb::kForWrite))
{
if (pEnt->isKindOf(AcDbAttributeDefinition::desc()))
{
AcDbAttributeDefinition *pAttDef = AcDbAttributeDefinition::cast(pEnt);
if (iFilterMode==0)
{
pEnt->erase() ;
}
else if (iFilterMode>1)
{
if (pAttDef != NULL && !pAttDef->isConstant())
{
// We have a non-constant attribute definition,
// so build an attribute entity.
CString strShowVal ;
if (iFilterMode==2)
{
strShowVal = pAttDef->textString() ;
}
else if (iFilterMode==3)
{
strShowVal = pAttDef->prompt() ; //显示中文为乱码
}
pAttDef->setTag(strShowVal) ;
}
}
}
pEnt->close() ;
}
}
delete pIT;
pBTR->close();
}
void
defineBlockWithAttributes(
AcDbObjectId& blockId, // This is a returned value.
const AcGePoint3d& basePoint,
double textHeight,
double textAngle)
{
int retCode = 0;
AcDbBlockTable *pBlockTable = NULL;
AcDbBlockTableRecord* pBlockRecord
= new AcDbBlockTableRecord;
AcDbObjectId entityId;
// Step 1: Set the block name and base point of the block definition
//
pBlockRecord->setName("ASDK-BLOCK-WITH-ATTR");
pBlockRecord->setOrigin(basePoint);
// Open the block table for write.
//
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pBlockTable, AcDb::kForWrite);
// Step 2: Add the block table record to block table.
//
pBlockTable->add(blockId, pBlockRecord);
// Step 3: Create a circle entity.
//
AcDbCircle *pCircle = new AcDbCircle;
pCircle->setCenter(basePoint);
pCircle->setRadius(textHeight * 4.0);
pCircle->setColorIndex(3);
// Append the circle entity to the block record.
//
pBlockRecord->appendAcDbEntity(entityId, pCircle);
pCircle->close();
// Step 4: Create an attribute definition entity.
//
AcDbAttributeDefinition *pAttdef
= new AcDbAttributeDefinition;
// Set the attribute definition values.
//
pAttdef->setPosition(basePoint);
pAttdef->setHeight(textHeight);
pAttdef->setRotation(textAngle);
pAttdef->setHorizontalMode(AcDb::kTextLeft);
pAttdef->setVerticalMode(AcDb::kTextBase);
pAttdef->setPrompt("Prompt");
pAttdef->setTextString("DEFAULT");
pAttdef->setTag("Tag");
pAttdef->setInvisible(Adesk::kFalse);
pAttdef->setVerifiable(Adesk::kFalse);
pAttdef->setPreset(Adesk::kFalse);
pAttdef->setConstant(Adesk::kFalse);
pAttdef->setFieldLength(25);
// Append the attribute definition to the block.
//
pBlockRecord->appendAcDbEntity(entityId, pAttdef);
// The second attribute definition is a little easier
// because we are cloning the first one.
//
AcDbAttributeDefinition *pAttdef2
= AcDbAttributeDefinition::cast(pAttdef->clone());
// Set the values which are specific to the
// second attribute definition.
//
AcGePoint3d tempPt(basePoint);
tempPt.y -= pAttdef2->height();
pAttdef2->setPosition(tempPt);
pAttdef2->setColorIndex(1); // Red
pAttdef2->setConstant(Adesk::kTrue);
// Append the second attribute definition to the block.
//
pBlockRecord->appendAcDbEntity(entityId, pAttdef2);
pAttdef->close();
pAttdef2->close();
pBlockRecord->close();
pBlockTable->close();
return;
}
static void BlockToEntity( const AcDbObjectId& blkId, const AcGeMatrix3d& blkXform,
const AcStringArray& names, const AcStringArray& attValues,
AcGeVoidPointerArray& ents )
{
// 将块定义分解成独立的图元
// 将属性替换成多行文字
AcTransaction* pTrans = actrTransactionManager->startTransaction();
AcDbObject* pObj;
if( Acad::eOk != pTrans->getObject( pObj, blkId, AcDb::kForRead ) )
{
actrTransactionManager->abortTransaction();
return;
}
AcDbBlockTableRecord* pBTR = AcDbBlockTableRecord::cast( pObj );
// BUG：不能调用hasAttributeDefinitions()方法
// 调用之后，如果没有在块编辑器中对块进行修改，
// 那么进行移动、夹点编辑等操作，没有动态显示效果
//if(!pBTR->hasAttributeDefinitions())
//{
// // 没有属性定义
// acutPrintf(_T("\n没有属性定义"));
// actrTransactionManager->abortTransaction();
// return;
//}
AcDbBlockTableRecordIterator* pIterator;
if( Acad::eOk != pBTR->newIterator( pIterator ) )
{
actrTransactionManager->abortTransaction();
return;
}
// 遍历块中的图元，查找AcDbAttributeDefinition
for( pIterator->start( true ); !pIterator->done(); pIterator->step( true ) )
{
AcDbObjectId objId;
if( Acad::eOk != pIterator->getEntityId( objId ) ) continue;
if( Acad::eOk != pTrans->getObject( pObj, objId, AcDb::kForWrite ) ) continue;
AcDbEntity* pEnt = AcDbEntity::cast( pObj );
if( !pEnt->isKindOf( AcDbAttributeDefinition::desc() ) )
{
AcDbEntity* pClone = AcDbEntity::cast( pEnt->clone() );
pClone->transformBy( blkXform );
// 添加到实体集合
ents.append( pClone );
}
else
{
AcDbAttributeDefinition* pAttDef = AcDbAttributeDefinition::cast( pEnt );
pAttDef->convertIntoMTextAttributeDefinition( Adesk::kTrue );
// 获取标签名称
ACHAR* pTag = pAttDef->tag();
int pos = names.find( pTag );
if( pos != -1 )
{
// 获取多行文本对象
AcDbMText* pMText = pAttDef->getMTextAttributeDefinition();
pMText->transformBy( blkXform );
pMText->setContents( attValues[pos].kACharPtr() );
// 添加到实体集合
ents.append( pMText );
}
acutDelString( pTag );
}
}
delete pIterator;
actrTransactionManager->endTransaction();
}
void
addBlockWithAttributes()
{
// Get an insertion point for the block reference,
// definition, and attribute definition.
//
AcGePoint3d basePoint;
if (acedGetPoint(NULL, "\nEnter insertion point: ",
asDblArray(basePoint)) != RTNORM)
return;
// Get the rotation angle for the attribute definition.
//
double textAngle;
if (acedGetAngle(asDblArray(basePoint),
"\nEnter rotation angle: ", &textAngle) != RTNORM)
return;
// Define the height used for the attribute definition text.
//
double textHeight;
if (acedGetDist(asDblArray(basePoint),
"\nEnter text height: ", &textHeight) != RTNORM)
return;
// Build the block definition to be inserted.
//
AcDbObjectId blockId;
defineBlockWithAttributes(blockId, basePoint,
textHeight, textAngle);
// Step 1: Allocate a block reference object.
//
AcDbBlockReference *pBlkRef = new AcDbBlockReference;
// Step 2: Set up the block reference to the newly
// created block definition.
//
pBlkRef->setBlockTableRecord(blockId);
// Give it the current UCS normal.
//
struct resbuf to, from;
from.restype = RTSHORT;
from.resval.rint = 1; // UCS
to.restype = RTSHORT;
to.resval.rint = 0; // WCS
AcGeVector3d normal(0.0, 0.0, 1.0);
acedTrans(&(normal.x), &from, &to, Adesk::kTrue,
&(normal.x));
// Set the insertion point for the block reference.
//
pBlkRef->setPosition(basePoint);
// Indicate the LCS 0.0 angle, not necessarily the UCS 0.0 angle.
//
pBlkRef->setRotation(0.0);
pBlkRef->setNormal(normal);
// Step 3: Open the current database's model space
// block Table Record.
//
AcDbBlockTable *pBlockTable;
acdbHostApplicationServices()->workingDatabase()
->getSymbolTable(pBlockTable, AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord,
AcDb::kForWrite);
pBlockTable->close();
// Append the block reference to the model space
// block Table Record.
//
AcDbObjectId newEntId;
pBlockTableRecord->appendAcDbEntity(newEntId, pBlkRef);
pBlockTableRecord->close();
// Step 4: Open the block definition for read.
//
AcDbBlockTableRecord *pBlockDef;
acdbOpenObject(pBlockDef, blockId, AcDb::kForRead);
// Set up a block table record iterator to iterate
// over the attribute definitions.
//
AcDbBlockTableRecordIterator *pIterator;
pBlockDef->newIterator(pIterator);
AcDbEntity *pEnt;
AcDbAttributeDefinition *pAttdef;
for (pIterator->start(); !pIterator->done();
pIterator->step())
{
// Get the next entity.
//
pIterator->getEntity(pEnt, AcDb::kForRead);
// Make sure the entity is an attribute definition
// and not a constant.
//
pAttdef = AcDbAttributeDefinition::cast(pEnt);
if (pAttdef != NULL && !pAttdef->isConstant()) {
// We have a non-constant attribute definition,
// so build an attribute entity.
//
AcDbAttribute *pAtt = new AcDbAttribute();
pAtt->setPropertiesFrom(pAttdef);
pAtt->setInvisible(pAttdef->isInvisible());
// Translate the attribute by block reference.
// To be really correct, the entire block
// reference transform should be applied here.
//
basePoint = pAttdef->position();
basePoint += pBlkRef->position().asVector();
pAtt->setPosition(basePoint);
pAtt->setHeight(pAttdef->height());
pAtt->setRotation(pAttdef->rotation());
pAtt->setTag("Tag");
pAtt->setFieldLength(25);
char *pStr = pAttdef->tag();
pAtt->setTag(pStr);
free(pStr);
pAtt->setFieldLength(pAttdef->fieldLength());
// The database column value should be displayed.
// INSERT prompts for this.
//
pAtt->setTextString("Assigned Attribute Value");
AcDbObjectId attId;
pBlkRef->appendAttribute(attId, pAtt);
pAtt->close();
}
pEnt->close(); // use pEnt... pAttdef might be NULL
}
delete pIterator;
pBlockDef->close();
pBlkRef->close();
}
