diff options
Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/JavaTypeCompletionProposalComputer.java')
| -rw-r--r-- | bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/JavaTypeCompletionProposalComputer.java | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/JavaTypeCompletionProposalComputer.java b/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/JavaTypeCompletionProposalComputer.java deleted file mode 100644 index 83351654..00000000 --- a/bundles/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/JavaTypeCompletionProposalComputer.java +++ /dev/null @@ -1,190 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.jsdt.internal.ui.text.java; - -import java.util.HashSet; -import java.util.Iterator; -import java.util.List; -import java.util.Set; - -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.wst.jsdt.core.CompletionProposal; -import org.eclipse.wst.jsdt.core.IJavaScriptElement; -import org.eclipse.wst.jsdt.core.IJavaScriptProject; -import org.eclipse.wst.jsdt.core.IType; -import org.eclipse.wst.jsdt.core.JavaScriptCore; -import org.eclipse.wst.jsdt.core.JavaScriptModelException; -import org.eclipse.wst.jsdt.core.Signature; -import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin; -import org.eclipse.wst.jsdt.internal.ui.text.JavaHeuristicScanner; -import org.eclipse.wst.jsdt.internal.ui.text.Symbols; -import org.eclipse.wst.jsdt.ui.text.java.CompletionProposalCollector; -import org.eclipse.wst.jsdt.ui.text.java.ContentAssistInvocationContext; -import org.eclipse.wst.jsdt.ui.text.java.IJavaCompletionProposal; -import org.eclipse.wst.jsdt.ui.text.java.JavaContentAssistInvocationContext; - -/** - * - * - */ -public class JavaTypeCompletionProposalComputer extends JavaCompletionProposalComputer { - /* - * @see org.eclipse.wst.jsdt.internal.ui.text.java.JavaCompletionProposalComputer#createCollector(org.eclipse.wst.jsdt.ui.text.java.JavaContentAssistInvocationContext) - */ - protected CompletionProposalCollector createCollector(JavaContentAssistInvocationContext context) { - CompletionProposalCollector collector= super.createCollector(context); - collector.setIgnored(CompletionProposal.ANONYMOUS_CLASS_DECLARATION, true); - collector.setIgnored(CompletionProposal.FIELD_REF, true); - collector.setIgnored(CompletionProposal.KEYWORD, true); - collector.setIgnored(CompletionProposal.LABEL_REF, true); - collector.setIgnored(CompletionProposal.LOCAL_VARIABLE_REF, true); - collector.setIgnored(CompletionProposal.METHOD_DECLARATION, true); - collector.setIgnored(CompletionProposal.METHOD_NAME_REFERENCE, true); - collector.setIgnored(CompletionProposal.METHOD_REF, true); - collector.setIgnored(CompletionProposal.PACKAGE_REF, true); - collector.setIgnored(CompletionProposal.POTENTIAL_METHOD_DECLARATION, true); - collector.setIgnored(CompletionProposal.VARIABLE_DECLARATION, true); - - collector.setIgnored(CompletionProposal.JSDOC_BLOCK_TAG, true); - collector.setIgnored(CompletionProposal.JSDOC_FIELD_REF, true); - collector.setIgnored(CompletionProposal.JSDOC_INLINE_TAG, true); - collector.setIgnored(CompletionProposal.JSDOC_METHOD_REF, true); - collector.setIgnored(CompletionProposal.JSDOC_PARAM_REF, true); - collector.setIgnored(CompletionProposal.JSDOC_TYPE_REF, true); - - collector.setIgnored(CompletionProposal.TYPE_REF, false); - return collector; - } - - /* - * @see org.eclipse.wst.jsdt.internal.ui.text.java.JavaCompletionProposalComputer#computeCompletionProposals(org.eclipse.jface.text.contentassist.TextContentAssistInvocationContext, org.eclipse.core.runtime.IProgressMonitor) - */ - public List computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) { - List types= super.computeCompletionProposals(context, monitor); - if (context instanceof JavaContentAssistInvocationContext) { - JavaContentAssistInvocationContext javaContext= (JavaContentAssistInvocationContext) context; - try { - if (types.size() > 0 && context.computeIdentifierPrefix().length() == 0) { - IType expectedType= javaContext.getExpectedType(); - if (expectedType != null) { - // empty prefix completion - insert LRU types if known, but prune if they already occur in the core list - - // compute minmimum relevance and already proposed list - int relevance= Integer.MAX_VALUE; - Set proposed= new HashSet(); - for (Iterator it= types.iterator(); it.hasNext();) { - AbstractJavaCompletionProposal p= (AbstractJavaCompletionProposal) it.next(); - IJavaScriptElement element= p.getJavaElement(); - if (element instanceof IType) - proposed.add(((IType) element).getFullyQualifiedName()); - relevance= Math.min(relevance, p.getRelevance()); - } - - // insert history types - List history= JavaScriptPlugin.getDefault().getContentAssistHistory().getHistory(expectedType.getFullyQualifiedName()).getTypes(); - relevance-= history.size() + 1; - for (Iterator it= history.iterator(); it.hasNext();) { - String type= (String) it.next(); - if (proposed.contains(type)) - continue; - - IJavaCompletionProposal proposal= createTypeProposal(relevance, type, javaContext); - - if (proposal != null) - types.add(proposal); - relevance++; - } - } - } - } catch (BadLocationException x) { - // log & ignore - JavaScriptPlugin.log(x); - } catch (JavaScriptModelException x) { - // log & ignore - JavaScriptPlugin.log(x); - } - } - return types; - } - - private IJavaCompletionProposal createTypeProposal(int relevance, String fullyQualifiedType, JavaContentAssistInvocationContext context) throws JavaScriptModelException { - IType type= context.getCompilationUnit().getJavaScriptProject().findType(fullyQualifiedType); - if (type == null) - return null; - - CompletionProposal proposal= CompletionProposal.create(CompletionProposal.TYPE_REF, context.getInvocationOffset()); - proposal.setCompletion(fullyQualifiedType.toCharArray()); - proposal.setDeclarationSignature(type.getPackageFragment().getElementName().toCharArray()); - proposal.setFlags(type.getFlags()); - proposal.setRelevance(relevance); - proposal.setReplaceRange(context.getInvocationOffset(), context.getInvocationOffset()); - proposal.setSignature(Signature.createTypeSignature(fullyQualifiedType, true).toCharArray()); - - if (shouldProposeGenerics(context.getProject())) - return new LazyGenericTypeProposal(proposal, context); - else - return new LazyJavaTypeCompletionProposal(proposal, context); - } - - /** - * Returns <code>true</code> if generic proposals should be allowed, - * <code>false</code> if not. Note that even though code (in a library) - * may be referenced that uses generics, it is still possible that the - * current source does not allow generics. - * - * @param project the Java project - * @return <code>true</code> if the generic proposals should be allowed, - * <code>false</code> if not - */ - private final boolean shouldProposeGenerics(IJavaScriptProject project) { - String sourceVersion; - if (project != null) - sourceVersion= project.getOption(JavaScriptCore.COMPILER_SOURCE, true); - else - sourceVersion= JavaScriptCore.getOption(JavaScriptCore.COMPILER_SOURCE); - - return sourceVersion != null && JavaScriptCore.VERSION_1_5.compareTo(sourceVersion) <= 0; - } - - protected int guessContextInformationPosition(ContentAssistInvocationContext context) { - final int contextPosition= context.getInvocationOffset(); - - IDocument document= context.getDocument(); - JavaHeuristicScanner scanner= new JavaHeuristicScanner(document); - int bound= Math.max(-1, contextPosition - 200); - - // try the innermost scope of angle brackets that looks like a generic type argument list - try { - int pos= contextPosition - 1; - do { - int angle= scanner.findOpeningPeer(pos, bound, '<', '>'); - if (angle == JavaHeuristicScanner.NOT_FOUND) - break; - int token= scanner.previousToken(angle - 1, bound); - // next token must be a method name that is a generic type - if (token == Symbols.TokenIDENT) { - int off= scanner.getPosition() + 1; - int end= angle; - String ident= document.get(off, end - off).trim(); - if (JavaHeuristicScanner.isGenericStarter(ident)) - return angle + 1; - } - pos= angle - 1; - } while (true); - } catch (BadLocationException x) { - } - - return super.guessContextInformationPosition(context); - } - -} |