I have a "about what the op should do or how it
should work" question :)
>From [1] I assume that the Document operations signature is like
below:
document.modify(range: Range, index: Integer, modifyQuery:
DocumentModifyQuery, modifyAction: DocumentModifyAction)
First of all I assume that DOCUMENT_INSERT operation is applied to
plain text - is it correct?
So in the context of DOCUMENT_INSERT operation the input is like
follows:
range - not applicable
index - the location to insert the plain text
modifyQuery - should contain the plain text to insert i.e. String text
= OperationUtil.getRequiredParameter(operation,
ParamsProperty.MODIFY_QUERY).getTextMatch();
modifyAction - in this case = INSERT
After looking into other op implementations, I came to conclusion that
DOCUMENT_INSERT op should look like this:
private void documentInsert(OperationRequest operation,
OperationContext context,
ParticipantId participant, OpBasedWavelet wavelet,
ObservableConversation conversation)
throws InvalidRequestException {
Preconditions.checkArgument(
OperationUtil.getOperationType(operation) ==
OperationType.DOCUMENT_INSERT,
"Unsupported operation " + operation);
String blipId = OperationUtil.getRequiredParameter(operation,
ParamsProperty.BLIP_ID);
Integer index = OperationUtil.getRequiredParameter(operation,
ParamsProperty.INDEX);
DocumentModifyQuery documentModifyQuery =
OperationUtil.getRequiredParameter(operation,
ParamsProperty.MODIFY_QUERY);
ConversationBlip blip = context.getBlip(conversation, blipId);
if (index <= 0) {
throw new InvalidRequestException(
"Can't insert on position <= 0, got " + index, operation);
}
if(documentModifyQuery.getTextMatch() != null){
blip.getContent().insertText(index,
documentModifyQuery.getTextMatch());
}
processDocumentChangedEvent(operation, context, participant,
blipId);
}
private void processDocumentChangedEvent(OperationRequest operation,
OperationContext context,
ParticipantId participant, String blipId)
throws InvalidRequestException {
DocumentChangedEvent event =
new DocumentChangedEvent(null, null, participant.getAddress(),
System.currentTimeMillis(), blipId);
context.processEvent(operation, event);
}
Please let me know if this look like anything close to correct
implementation.
On Oct 25, 8:15 pm, Lennard de Rijk <[email protected]> wrote:
> Hi,
>
> On Mon, Oct 25, 2010 at 10:52 AM, Vega <[email protected]> wrote:
> > Are there some example implementations for Robot API Operation
> > starter project? I would like to contribute, but a bit of explanation
> > of what exactly should be done and a example would make a job a lot
> > easier.
>
> You should be able to take a look at the operations that have been
> implemented under [0]. Pick any operation from the list of operations that
> are to be done, most of them speak for themselves (or find some more info at
> [1]). If there is still a question about what the op should do or how it
> should work just drop us a line on the list :).
>
> Greetings,
> Lennard
>
> [0]http://code.google.com/p/wave-protocol/source/browse/#hg/src/org/wave...
> [1]http://code.google.com/apis/wave/extensions/robots/protocol.html
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