[Connect C++ MicrostationApi] Problem with changing textelement in cell

Manuel Höger said:

in a Cell the "ReplaceInModel"

Never rewrite a  component of a complex element, such as a cell, directly.

1. Create new component element
   1. Use the original as a template (which you have done)
2. Replace the component in the complex element
3. Rewrite the complex element

Hi, 

1. Thanks a lot for the quick reply!

2. How can I replace it in the complex element? I tried with RelaceElement(..) but didn't work as well.

And do I have to make a copy of the cell Elementhandle first?

3. How to rewrite? do i have to use mdlElmdscr_rewrite or is there a more modern way?

Regards

Manuel Höger

Manuel Höger said:

How can I replace it in the complex element?

Each member of a ChildEditElemIter is an EditElementHandle.  You should be able to use EditElementHandle.ReplaceElement or EditElementHandle.ReplaceElementDescr.

Manuel Höger said:

Do I have to make a copy of the cell Elementhandle first?

Your ChildEditElemIter is a copy of the original cell.

Manuel Höger said:

How to rewrite?

EditElementHandle.ReplaceInModel()

Ah I thaught childEditElemIter is the first childElement.

I tried your proposal in the following way but it still doesn't work. replace Element with the Textelement succeeds but the replace in Model still errors. Did I misunderstand you in any kind? I'm still confused about this childEditElemIter...

void StampTool::textChangeTest(EditElementHandleP eehIn)
{
	int res=0;
	switch (eehIn->GetElementType())
	{
	case CELL_HEADER_ELM:
	{				
		ChildEditElemIter eehChild(*eehIn);
		for (eehChild; eehChild.IsValid(); eehChild=eehChild.ToNext())
		{
			textChangeTest(&eehChild);
		}
		//Replace in Model sends Error
		res=eehChild.ReplaceInModel(eehIn->GetElementRef());
		wprintf(L"Result replaceinModel: %d\n", res);
		break;
	}
	case TEXT_ELM:
	{
		TextBlockPtr textBlock = TextHandlerBase::GetFirstTextPartValue(*eehIn);
		ITextEditP textEdit = eehIn->GetITextEdit();          
		// Extract the TextBlock from the Text element.
		if (!textBlock.IsNull() && !textBlock->IsEmpty())
		{
			//Replace Text
			CaretPtr startCaret = textBlock->CreateStartCaret();
			CaretPtr endCaret = textBlock->CreateEndCaret();
			wprintf(L"old Text: %s\n", textBlock->ToString());
			textBlock->ReplaceText(L"newText", *textBlock->CreateStartCaret(), *textBlock->CreateEndCaret());
			wprintf(L"new Text: %s\n", textBlock->ToString());
			//create new Element and replace in Model
			EditElementHandle newEeh;
			ElementHandle templateEh(eehIn->GetElementP(), ACTIVEMODEL);
			TextHandlerBase::CreateElement(newEeh, &templateEh, *textBlock);
			//Replace Element succeeds:
			res=eehIn->ReplaceElement(newEeh.GetElementCP());
			wprintf(L"Result replaceElement: %d\n", res);
		}
		break;
	}

Ok I got it. it's working. 

As I understood, the Solution is to replace the incomming ElementReference (contained by the eehIn) with its changed Content?

Working Code:

void StampTool::textChangeTest(EditElementHandleP eehIn)
{
	int res=0;
	switch (eehIn->GetElementType())
	{
	case CELL_HEADER_ELM:
	{				
		ChildEditElemIter eehChild(*eehIn);
		for (eehChild; eehChild.IsValid(); eehChild=eehChild.ToNext())
		{
			textChangeTest(&eehChild);
		}
		//Replace in Model sends Error
		res=eehIn->ReplaceInModel(eehIn->GetElementRef());
		wprintf(L"Result replaceinModel: %d\n", res);
		break;
	}
	case TEXT_ELM:
	{
		TextBlockPtr textBlock = TextHandlerBase::GetFirstTextPartValue(*eehIn);
		ITextEditP textEdit = eehIn->GetITextEdit();          
		// Extract the TextBlock from the Text element.
		if (!textBlock.IsNull() && !textBlock->IsEmpty())
		{
			//Replace Text
			CaretPtr startCaret = textBlock->CreateStartCaret();
			CaretPtr endCaret = textBlock->CreateEndCaret();
			wprintf(L"old Text: %s\n", textBlock->ToString());
			textBlock->ReplaceText(L"newText", *textBlock->CreateStartCaret(), *textBlock->CreateEndCaret());
			wprintf(L"new Text: %s\n", textBlock->ToString());
			//create new Element and replace in Model
			EditElementHandle newEeh;
			ElementHandle templateEh(eehIn->GetElementP(), ACTIVEMODEL);
			TextHandlerBase::CreateElement(newEeh, &templateEh, *textBlock);
			//Replace Element succeeds:
			res=eehIn->ReplaceElement(newEeh.GetElementCP());
			wprintf(L"Result replaceElement: %d\n", res);
		}
		break;
	}
}

Thanks very very much for your Help!!!! 

Now I just have do do this with a Cell from a Cell lib. If you have some advice about this,  that would be great!

Best Regards

Manuel Höger

Manuel Höger said:

it's working

Thanks for letting us know!  Please mark your post as Answered.

Manuel Höger said:

Now I just have do do this with a Cell from a Cell lib. If you have some advice about this

Please post a new question for this new topic.

Manuel Höger said:

it's working

Thanks for letting us know!  Please mark your post as Answered.

Manuel Höger said:

Now I just have do do this with a Cell from a Cell lib. If you have some advice about this

Please post a new question for this new topic.