@Override
protected List<? extends ICompletionProposal> computeProposals(
final ITextViewer viewer, final int offset) {
final IDocument document = viewer.getDocument();
try {
final String lineContent =
DocumentUtilities.lineContentBeforeCurrentPosition(document, offset);
final boolean shouldShowProposal = shouldShowProposals(lineContent, document, offset);
if (shouldShowProposal) {
final boolean isTsv = assist.isTsvFile();
final Optional<IRegion> region =
DocumentUtilities.findLiveCellRegion(document, isTsv, offset);
final String prefix = DocumentUtilities.getPrefix(document, region, offset);
final String content =
region.isPresent()
? document.get(region.get().getOffset(), region.get().getLength())
: "";
final Image image =
ImagesManager.getImage(RedImages.getImageForFileWithExtension(".robot"));
final List<RedCompletionProposal> proposals = newArrayList();
for (final IFile resourceFile : assist.getResourceFiles()) {
final String resourcePath = resourceFile.getFullPath().makeRelative().toString();
if (resourcePath.toLowerCase().startsWith(prefix.toLowerCase())) {
final String resourceRelativePath =
createCurrentFileRelativePath(resourceFile.getFullPath().makeRelative());
final RedCompletionProposal proposal =
RedCompletionBuilder.newProposal()
.will(assist.getAcceptanceMode())
.theText(resourceRelativePath)
.atOffset(offset - prefix.length())
.givenThatCurrentPrefixIs(prefix)
.andWholeContentIs(content)
.thenCursorWillStopAtTheEndOfInsertion()
.displayedLabelShouldBe(resourcePath)
.currentPrefixShouldBeDecorated()
.proposalsShouldHaveIcon(image)
.create();
proposals.add(proposal);
}
}
return proposals;
}
return null;
} catch (final BadLocationException e) {
return null;
}
}
private boolean shouldShowProposals(
final String lineContent, final IDocument document, final int offset)
throws BadLocationException {
return isInApplicableContentType(document, offset)
&& lineContent.toLowerCase().startsWith("resource")
&& DocumentUtilities.getNumberOfCellSeparators(lineContent, assist.isTsvFile()) == 1;
}
private String createCurrentFileRelativePath(final IPath resourcePath) {
return RedWorkspace.Paths.fromWorkspaceRelativeToResourceRelative(
assist.getFile(), resourcePath)
.toString();
}
