/*
* Turns the vector into an Array of ICompletionProposal objects
*/
protected ICompletionProposal[] turnProposalVectorIntoAdaptedArray(WordPartDetector word) {
ICompletionProposal[] result = new ICompletionProposal[proposalList.size()];
int index = 0;
for (Iterator i = proposalList.iterator(); i.hasNext(); ) {
String keyWord = (String) i.next();
IContextInformation info = new ContextInformation(keyWord, getContentInfoString(keyWord));
// Creates a new completion proposal.
result[index] =
new CompletionProposal(
keyWord, // replacementString
word.getOffset(),
// replacementOffset the offset of the text to be replaced
word.getString().length(),
// replacementLength the length of the text to be replaced
keyWord.length(),
// cursorPosition the position of the cursor following the insert relative to
// replacementOffset
null, // image to display
keyWord, // displayString the string to be displayed for the proposal
info,
// contntentInformation the context information associated with this proposal
getContentInfoString(keyWord));
index++;
}
// System.out.println("result : " + result.length);
proposalList.removeAllElements();
return result;
}
/**
* This method returns a list of completion proposals as ICompletionProposal objects. The
* proposals are based on the word at the offset in the document where the cursor is positioned.
* In this implementation, we find the word at the document offset and compare it to our list of
* SQL reserved words. The list is a subset, of those words that match what the user has entered.
* For example, the text or proposes the SQL keywords OR and ORDER. The list is returned as an
* array of completion proposals.
*
* @see
* org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(ITextViewer,
* int)
*/
@Override
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
WordPartDetector wordPart = new WordPartDetector(viewer, documentOffset);
// iterate over all the different categories
for (int i = 0; i < SqlSyntax.ALL_WORDS.size(); i++) {
if ((SqlSyntax.ALL_WORDS.get(i)).startsWith(wordPart.getString().toUpperCase()))
proposalList.add(SqlSyntax.ALL_WORDS.get(i));
}
return turnProposalVectorIntoAdaptedArray(wordPart);
}