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ECore Double attribute does not show its name in content assist editor [message #913088]

Fri, 14 September 2012 14:54

Duncan Krebs
Messages: 31
Registered: June 2011
Location: Bay Area / Mexico

Member

Hi,
I am trying to figure out how to get my xtext generated editor to show the variable/attribute name when pressing control-space, it works fine with INT, STRING, ID etc. but not with the ECore Double I have defined as the following in my grammer:
Anyone have any ideas how to get the contet assist to work correctly with this variable named 'balance' - Duncan

Account:
'Account' name=ID balance=DOUBLE;

terminal DOUBLE returns ecore::EDouble : '-'? ('0'..'9')+ '.' ('0'..'9')+ (('e'|'E') ('-')? ('0'..'9')+)?;

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Re: ECore Double attribute does not show its name in content assist editor [message #913098 is a reply to message #913088]

Fri, 14 September 2012 15:18

Christian Dietrich
Messages: 4426
Registered: July 2009

Senior Member

Hi,

for custom things you have to define the content assist yourself.
Xtext does NOT reverseengineer terminal rules Wink

~Christian

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Re: ECore Double attribute does not show its name in content assist editor [message #913136 is a reply to message #913098]

Fri, 14 September 2012 16:58

Duncan Krebs
Messages: 31
Registered: June 2011
Location: Bay Area / Mexico

Member

Thanks,
Do you know what class I might want to look at to extend? - Duncan

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Re: ECore Double attribute does not show its name in content assist editor [message #913142 is a reply to message #913136]

Fri, 14 September 2012 17:12

Christian Dietrich
Messages: 4426
Registered: July 2009

Senior Member

On 2012-09-14 20:58:38 +0000, Duncan Krebs said:

> Thanks, Do you know what class I might want to look at to extend? - Duncan

XXXProposalProvider - the class is already there
--
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Re: ECore Double attribute does not show its name in content assist editor [message #915587 is a reply to message #913142]

Mon, 17 September 2012 11:36

Duncan Krebs
Messages: 31
Registered: June 2011
Location: Bay Area / Mexico

Member

Christian,
I tried figuring it out over the weekend the best I was able to get working was on control space for my DOUBLE attribute it hard coded the value instead of displaying the name of the attribute (maxLoss) like it normally does for other "built in" types like INT, ID and string, this is the code I added to my xxxProposalAdvisor

public void completeSurfStrategyType1_MaxLoss(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
		super.completeSurfStrategyType1_MaxLoss(model, assignment, context, acceptor);
		String proposal = "MaxLoss" + "DOUBLE";
		acceptor.accept(createCompletionProposal(proposal, context));
	}

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