List of usage examples for org.eclipse.jdt.core CompletionContext getTokenKind
public int getTokenKind()
From source file:org.eclipse.babel.tapiji.tools.java.ui.MessageCompletionProposalComputer.java
License:Open Source License
@Override public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) {/*from w w w .ja v a2s . c o m*/ List<ICompletionProposal> completions = new ArrayList<ICompletionProposal>(); if (!InternationalizationNature.hasNature( ((JavaContentAssistInvocationContext) context).getCompilationUnit().getResource().getProject())) { return completions; } try { JavaContentAssistInvocationContext javaContext = ((JavaContentAssistInvocationContext) context); CompletionContext coreContext = javaContext.getCoreContext(); int tokenStart = coreContext.getTokenStart(); int tokenEnd = coreContext.getTokenEnd(); int tokenOffset = coreContext.getOffset(); boolean isStringLiteral = coreContext.getTokenKind() == CompletionContext.TOKEN_KIND_STRING_LITERAL; if (cu == null) { manager = ResourceBundleManager .getManager(javaContext.getCompilationUnit().getResource().getProject()); resource = javaContext.getCompilationUnit().getResource(); csav = new ResourceAuditVisitor(null, manager.getProject().getName()); cu = ASTutilsUI.getAstRoot(ASTutilsUI.getCompilationUnit(resource)); cu.accept(csav); } if (coreContext.getTokenKind() == CompletionContext.TOKEN_KIND_NAME && (tokenEnd + 1) - tokenStart > 0) { // Cal10n extension String[] metaData = ASTutils.getCal10nEnumLiteralDataAtPos(manager.getProject().getName(), cu, tokenOffset - 1); if (metaData != null) { completions.add(new KeyRefactoringProposal(tokenOffset, metaData[1], manager.getProject().getName(), metaData[0], metaData[2])); } return completions; } if (tokenStart < 0) { // is string literal in front of cursor? StringLiteral strLit = ASTutils.getStringLiteralAtPos(cu, tokenOffset - 1); if (strLit != null) { tokenStart = strLit.getStartPosition(); tokenEnd = tokenStart + strLit.getLength() - 1; tokenOffset = tokenOffset - 1; isStringLiteral = true; } else { tokenStart = tokenOffset; tokenEnd = tokenOffset; } } if (isStringLiteral) { tokenStart++; } tokenEnd = Math.max(tokenEnd, tokenStart); String fullToken = ""; if (tokenStart < tokenEnd) { fullToken = context.getDocument().get(tokenStart, tokenEnd - tokenStart); } // Check if the string literal is up to be written within the // context of a resource-bundle accessor method if (csav.getKeyAt(new Long(tokenOffset)) != null && isStringLiteral) { completions.addAll(getResourceBundleCompletionProposals(tokenStart, tokenEnd, tokenOffset, isStringLiteral, fullToken, manager, csav, resource)); } else if (csav.getRBReferenceAt(new Long(tokenOffset)) != null && isStringLiteral) { completions.addAll(getRBReferenceCompletionProposals(tokenStart, tokenEnd, fullToken, isStringLiteral, manager, resource)); } else { completions.addAll(getBasicJavaCompletionProposals(tokenStart, tokenEnd, tokenOffset, fullToken, isStringLiteral, manager, csav, resource)); } if (completions.size() == 1) { completions.add(new NoActionProposal()); } } catch (Exception e) { Logger.logError(e); } return completions; }
From source file:org.eclipse.jpt.jaxb.ui.internal.JaxbJavaCompletionProposalComputer.java
License:Open Source License
private List<ICompletionProposal> computeCompletionProposals_(JavaContentAssistInvocationContext context) { ICompilationUnit cu = context.getCompilationUnit(); IFile file = (cu != null) ? getCorrespondingResource(cu) : null; IContentType contentType = (file != null) ? ContentTypeTools.contentType(file) : null; if (contentType == null || !contentType.isKindOf(JavaResourceCompilationUnit.CONTENT_TYPE)) { return Collections.emptyList(); }//from w w w . j a v a 2s . co m JaxbProject jaxbProject = this.getJaxbProject(file.getProject()); if (jaxbProject == null) { return Collections.emptyList(); } Iterable<? extends JaxbContextNode> javaNodes = jaxbProject.getPrimaryJavaNodes(cu); if (IterableTools.isEmpty(javaNodes)) { return Collections.emptyList(); } CompletionContext cc = context.getCoreContext(); // the context's "token" is really a sort of "prefix" - it does NOT // correspond to the "start" and "end" we get below... char[] prefix = cc.getToken(); Predicate<String> filter = this.buildPrefixFilter(prefix); // the token "kind" tells us if we are in a String literal already - CompletionContext.TOKEN_KIND_STRING_LITERAL int tokenKind = cc.getTokenKind(); // the token "start" is the offset of the token's first character int tokenStart = cc.getTokenStart(); // the token "end" is the offset of the token's last character (yuk) int tokenEnd = cc.getTokenEnd(); if (tokenStart == -1) { // not sure why this happens - see bug 242286 return Collections.emptyList(); } // System.out.println("token start: " + tokenStart); // System.out.println("token end: " + tokenEnd); // System.out.println("token kind: " + tokenKind); // String source = cu.getSource(); // String token = source.substring(Math.max(0, tokenStart), Math.min(source.length(), tokenEnd + 1)); // System.out.println("token: =>" + token + "<="); // String snippet = source.substring(Math.max(0, tokenStart - 20), Math.min(source.length(), tokenEnd + 21)); // System.out.println("surrounding snippet: =>" + snippet + "<="); List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>(); for (JaxbContextNode javaNode : javaNodes) { for (String proposal : this.buildCompletionProposals(javaNode, context.getInvocationOffset(), filter)) { if (tokenKind == CompletionContext.TOKEN_KIND_STRING_LITERAL) {//already quoted proposals.add(new CompletionProposal(proposal, tokenStart, tokenEnd - tokenStart - 1, proposal.length())); } else {//add the quotes proposals.add(new CompletionProposal("\"" + proposal + "\"", tokenStart, //$NON-NLS-1$//$NON-NLS-2$ tokenEnd - tokenStart + 1, proposal.length() + 2)); } } } return proposals; }
From source file:org.eclipse.jpt.jpa.ui.internal.JpaJavaCompletionProposalComputer.java
License:Open Source License
private List<ICompletionProposal> computeCompletionProposals_(JavaContentAssistInvocationContext context) { ICompilationUnit cu = context.getCompilationUnit(); if (cu == null) { return Collections.emptyList(); }/*from w ww . j ava 2 s . c o m*/ IFile file = this.getCorrespondingResource(cu); if (file == null) { return Collections.emptyList(); } JpaFile jpaFile = this.getJpaFile(file); if (jpaFile == null) { return Collections.emptyList(); } Collection<JpaStructureNode> rootStructureNodes = CollectionTools .collection(jpaFile.getRootStructureNodes()); if (rootStructureNodes.isEmpty()) { return Collections.emptyList(); } CompletionContext cc = context.getCoreContext(); // the context's "token" is really a sort of "prefix" - it does NOT // correspond to the "start" and "end" we get below... char[] prefix = cc.getToken(); Predicate<String> filter = this.buildPrefixFilter(prefix); // the token "kind" tells us if we are in a String literal already - CompletionContext.TOKEN_KIND_STRING_LITERAL int tokenKind = cc.getTokenKind(); // the token "start" is the offset of the token's first character int tokenStart = cc.getTokenStart(); // the token "end" is the offset of the token's last character (yuk) int tokenEnd = cc.getTokenEnd(); if (tokenStart == -1) { // not sure why this happens - see bug 242286 return Collections.emptyList(); } // System.out.println("token start: " + tokenStart); // System.out.println("token end: " + tokenEnd); // System.out.println("token kind: " + tokenKind); // String source = cu.getSource(); // String token = source.substring(Math.max(0, tokenStart), Math.min(source.length(), tokenEnd + 1)); // System.out.println("token: =>" + token + "<="); // String snippet = source.substring(Math.max(0, tokenStart - 20), Math.min(source.length(), tokenEnd + 21)); // System.out.println("surrounding snippet: =>" + snippet + "<="); List<ICompletionProposal> proposals = new ArrayList<ICompletionProposal>(); for (JpaStructureNode structureNode : rootStructureNodes) { for (String s : this.buildCompletionProposals((JavaPersistentType) structureNode, context.getInvocationOffset(), filter)) { if (tokenKind == CompletionContext.TOKEN_KIND_STRING_LITERAL) {//already quoted proposals.add(new CompletionProposal(s, tokenStart + 1, tokenEnd - tokenStart - 1, s.length())); } else {//add the quotes proposals.add(new CompletionProposal("\"" + s + "\"", tokenStart, tokenEnd - tokenStart + 1, //$NON-NLS-1$//$NON-NLS-2$ s.length() + 2)); } } } return proposals; }
From source file:org.nuxeo.ide.connect.completion.StudioProposalComputer.java
License:Open Source License
@SuppressWarnings("rawtypes") @Override//from w ww . ja v a 2 s . c o m public List computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) { if (context instanceof JavaContentAssistInvocationContext) { JavaContentAssistInvocationContext jctx = (JavaContentAssistInvocationContext) context; IJavaProject jproject = jctx.getProject(); if (jproject == null) { return Collections.emptyList(); } StudioProjectBinding binding = ConnectPlugin.getStudioProvider().getBinding(jproject.getProject()); if (binding == null) { return Collections.emptyList(); } // look if we are in a string literal and initialize locations CompletionContext cc = jctx.getCoreContext(); int offset = context.getInvocationOffset(); int replacementLength = -1; String prefix = null; if (cc.getTokenKind() == CompletionContext.TOKEN_KIND_STRING_LITERAL) { offset = cc.getTokenStart(); int end = cc.getTokenEnd(); replacementLength = end - offset + 1; prefix = new String(cc.getToken()); } else { Point p = jctx.getViewer().getSelectedRange(); replacementLength = p.y; } // assignment case IType type = jctx.getExpectedType(); if (type != null && "java.lang.String".equals(type.getFullyQualifiedName())) { StudioAssignmentProposalCollector collector = new StudioAssignmentProposalCollector(jctx, binding); collector.initialize(offset, replacementLength, prefix); return collector.getProposals(); } // method arg case ICompilationUnit unit = jctx.getCompilationUnit(); StudioArgumentProposalCollector collector = new StudioArgumentProposalCollector(jctx, binding); collector.initialize(offset, replacementLength, prefix); try { unit.codeComplete(offset, collector, new NullProgressMonitor()); return collector.getProposals(); } catch (Exception e) { UI.showError("Error while compiling studio proposal", e); } } return Collections.emptyList(); }