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Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/CompoundContentAssistProcessor.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/CompoundContentAssistProcessor.java | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/CompoundContentAssistProcessor.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/CompoundContentAssistProcessor.java deleted file mode 100644 index 204f0ea9d6..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/CompoundContentAssistProcessor.java +++ /dev/null @@ -1,422 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ - -package org.eclipse.wst.sse.ui.internal.contentassist; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Iterator; -import java.util.LinkedHashSet; -import java.util.LinkedList; -import java.util.List; -import java.util.Set; - -import org.eclipse.jface.contentassist.IContentAssistSubjectControl; -import org.eclipse.jface.contentassist.ISubjectControlContentAssistProcessor; -import org.eclipse.jface.contentassist.ISubjectControlContextInformationValidator; -import org.eclipse.jface.text.Assert; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.contentassist.ICompletionProposal; -import org.eclipse.jface.text.contentassist.IContentAssistProcessor; -import org.eclipse.jface.text.contentassist.IContextInformation; -import org.eclipse.jface.text.contentassist.IContextInformationValidator; -import org.eclipse.swt.graphics.Image; -import org.eclipse.wst.sse.ui.internal.IReleasable; - -/** - * A processor that aggregates the proposals of multiple other processors. - * When proposals are requested, the contained processors are queried in the - * order they were added to the compound object. Copied from - * org.eclipse.jdt.internal.ui.text.CompoundContentAssistProcessor. - * Modification was made to add a dispose() method. - */ -class CompoundContentAssistProcessor implements IContentAssistProcessor, ISubjectControlContentAssistProcessor { - - private static class WrappedContextInformation implements IContextInformation { - private IContextInformation fInfo; - private IContentAssistProcessor fProcessor; - - WrappedContextInformation(IContextInformation info, IContentAssistProcessor processor) { - fInfo = info; - fProcessor = processor; - } - - /* - * @see java.lang.Object#equals(java.lang.Object) - */ - public boolean equals(Object obj) { - return fInfo.equals(obj); - } - - /* - * @see org.eclipse.jface.text.contentassist.IContextInformation#getContextDisplayString() - */ - public String getContextDisplayString() { - return fInfo.getContextDisplayString(); - } - - /* - * @see org.eclipse.jface.text.contentassist.IContextInformation#getImage() - */ - public Image getImage() { - return fInfo.getImage(); - } - - /* - * @see org.eclipse.jface.text.contentassist.IContextInformation#getInformationDisplayString() - */ - public String getInformationDisplayString() { - return fInfo.getInformationDisplayString(); - } - - /* - * @see java.lang.Object#hashCode() - */ - public int hashCode() { - return fInfo.hashCode(); - } - - /* - * @see java.lang.Object#toString() - */ - public String toString() { - return fInfo.toString(); - } - - IContentAssistProcessor getProcessor() { - return fProcessor; - } - } - - private static class CompoundContentAssistValidator implements IContextInformationValidator { - List fValidators = new ArrayList(); - IContextInformationValidator fValidator; - - void add(IContextInformationValidator validator) { - fValidators.add(validator); - } - - /* - * @see org.eclipse.jface.text.contentassist.IContextInformationValidator#install(org.eclipse.jface.text.contentassist.IContextInformation, - * org.eclipse.jface.text.ITextViewer, int) - */ - public void install(IContextInformation info, ITextViewer viewer, int documentPosition) { - // install either the validator in the info, or all validators - fValidator = getValidator(info); - if (fValidator != null) - fValidator.install(info, viewer, documentPosition); - else { - for (Iterator it = fValidators.iterator(); it.hasNext();) { - IContextInformationValidator v = (IContextInformationValidator) it.next(); - v.install(info, viewer, documentPosition); - } - } - } - - IContextInformationValidator getValidator(IContextInformation info) { - if (info instanceof WrappedContextInformation) { - WrappedContextInformation wrap = (WrappedContextInformation) info; - return wrap.getProcessor().getContextInformationValidator(); - } - - return null; - } - - /* - * @see org.eclipse.jface.text.contentassist.IContextInformationValidator#isContextInformationValid(int) - */ - public boolean isContextInformationValid(int documentPosition) { - // use either the validator in the info, or all validators - boolean isValid = false; - if (fValidator != null) - isValid = fValidator.isContextInformationValid(documentPosition); - else { - for (Iterator it = fValidators.iterator(); it.hasNext();) { - IContextInformationValidator v = (IContextInformationValidator) it.next(); - isValid |= v.isContextInformationValid(documentPosition); - } - } - return isValid; - } - - } - - private static class CompoundContentAssistValidatorEx extends CompoundContentAssistValidator implements ISubjectControlContextInformationValidator { - - /* - * @see ISubjectControlContextInformationValidator#install(IContextInformation, - * IContentAssistSubjectControl, int) - */ - public void install(IContextInformation info, IContentAssistSubjectControl contentAssistSubjectControl, int documentPosition) { - // install either the validator in the info, or all validators - fValidator = getValidator(info); - if (fValidator instanceof ISubjectControlContextInformationValidator) - ((ISubjectControlContextInformationValidator) fValidator).install(info, contentAssistSubjectControl, documentPosition); - else { - for (Iterator it = fValidators.iterator(); it.hasNext();) { - if (it.next() instanceof ISubjectControlContextInformationValidator) - ((ISubjectControlContextInformationValidator) it.next()).install(info, contentAssistSubjectControl, documentPosition); - } - } - } - - } - - private final Set fProcessors = new LinkedHashSet(); - - /** - * Creates a new instance. - */ - public CompoundContentAssistProcessor() { - } - - /** - * Creates a new instance with one child processor. - * - * @param processor - * the processor to add - */ - public CompoundContentAssistProcessor(IContentAssistProcessor processor) { - add(processor); - } - - /** - * Adds a processor to this compound processor. - * - * @param processor - * the processor to add - */ - public void add(IContentAssistProcessor processor) { - Assert.isNotNull(processor); - fProcessors.add(processor); - } - - /** - * Removes a processor from this compound processor. - * - * @param processor - * the processor to remove - */ - public void remove(IContentAssistProcessor processor) { - fProcessors.remove(processor); - } - - /** - * Creates a new instance and adds all specified processors. - * - * @param processors - */ - public CompoundContentAssistProcessor(IContentAssistProcessor[] processors) { - for (int i = 0; i < processors.length; i++) { - add(processors[i]); - } - } - - /* - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer, - * int) - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) { - List ret = new LinkedList(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - ICompletionProposal[] proposals = p.computeCompletionProposals(viewer, documentOffset); - if (proposals != null) - ret.addAll(Arrays.asList(proposals)); - } - return (ICompletionProposal[]) ret.toArray(new ICompletionProposal[ret.size()]); - } - - /** - * {@inheritDoc} - * <p> - * The returned objects are wrapper objects around the real information - * containers. - * </p> - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeContextInformation(org.eclipse.jface.text.ITextViewer, - * int) - */ - public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) { - List ret = new LinkedList(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - IContextInformation[] informations = p.computeContextInformation(viewer, documentOffset); - if (informations != null) - for (int i = 0; i < informations.length; i++) - ret.add(new WrappedContextInformation(informations[i], p)); - } - return (IContextInformation[]) ret.toArray(new IContextInformation[ret.size()]); - } - - /* - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getCompletionProposalAutoActivationCharacters() - */ - public char[] getCompletionProposalAutoActivationCharacters() { - Set ret = new LinkedHashSet(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - char[] chars = p.getCompletionProposalAutoActivationCharacters(); - if (chars != null) - for (int i = 0; i < chars.length; i++) - ret.add(new Character(chars[i])); - } - - char[] chars = new char[ret.size()]; - int i = 0; - for (Iterator it = ret.iterator(); it.hasNext(); i++) { - Character ch = (Character) it.next(); - chars[i] = ch.charValue(); - } - return chars; - } - - /* - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationAutoActivationCharacters() - */ - public char[] getContextInformationAutoActivationCharacters() { - Set ret = new LinkedHashSet(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - char[] chars = p.getContextInformationAutoActivationCharacters(); - if (chars != null) - for (int i = 0; i < chars.length; i++) - ret.add(new Character(chars[i])); - } - - char[] chars = new char[ret.size()]; - int i = 0; - for (Iterator it = ret.iterator(); it.hasNext(); i++) { - Character ch = (Character) it.next(); - chars[i] = ch.charValue(); - } - return chars; - } - - /** - * Returns the first non- <code>null</code> error message of any - * contained processor, or <code>null</code> if no processor has an - * error message. - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getErrorMessage() - * @return {@inheritDoc} - */ - public String getErrorMessage() { - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - String err = p.getErrorMessage(); - if (err != null) - return err; - } - return null; - } - - /** - * {@inheritDoc} - * <p> - * The returned validator is a wrapper around the validators provided by - * the child processors. - * </p> - * - * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#getContextInformationValidator() - */ - public IContextInformationValidator getContextInformationValidator() { - boolean hasValidator = false; - boolean hasExtension = false; - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - IContextInformationValidator v = p.getContextInformationValidator(); - if (v instanceof ISubjectControlContextInformationValidator) { - hasExtension = true; - break; - } - else if (v != null) { - hasValidator = true; - } - } - - CompoundContentAssistValidator validator = null; - if (hasExtension) - validator = new CompoundContentAssistValidatorEx(); - else if (hasValidator) - validator = new CompoundContentAssistValidator(); - - if (validator != null) - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - IContextInformationValidator v = p.getContextInformationValidator(); - if (v != null) - validator.add(v); - } - - return validator; - } - - /* - * @see ISubjectControlContentAssistProcessor#computeCompletionProposals(IContentAssistSubjectControl, - * int) - */ - public ICompletionProposal[] computeCompletionProposals(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) { - List ret = new LinkedList(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - Object o = it.next(); - if (o instanceof ISubjectControlContentAssistProcessor) { - ISubjectControlContentAssistProcessor p = (ISubjectControlContentAssistProcessor) o; - ICompletionProposal[] proposals = p.computeCompletionProposals(contentAssistSubjectControl, documentOffset); - if (proposals != null) - ret.addAll(Arrays.asList(proposals)); - } - } - - return (ICompletionProposal[]) ret.toArray(new ICompletionProposal[ret.size()]); - } - - /** - * {@inheritDoc} - * <p> - * The returned objects are wrapper objects around the real information - * containers. - * </p> - * - * @see org.eclipse.jface.contentassist.ISubjectControlContentAssistProcessor#computeContextInformation(org.eclipse.jface.text.contentassist.IContentAssistSubject, - * int) - */ - public IContextInformation[] computeContextInformation(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) { - List ret = new LinkedList(); - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - Object o = it.next(); - if (o instanceof ISubjectControlContentAssistProcessor) { - ISubjectControlContentAssistProcessor p = (ISubjectControlContentAssistProcessor) o; - IContextInformation[] informations = p.computeContextInformation(contentAssistSubjectControl, documentOffset); - if (informations != null) - for (int i = 0; i < informations.length; i++) - ret.add(new WrappedContextInformation(informations[i], p)); - } - } - return (IContextInformation[]) ret.toArray(new IContextInformation[ret.size()]); - } - - /** - * Dispose of any content assist processors that need disposing - */ - public void dispose() { - // go through list of content assist processors and dispose - for (Iterator it = fProcessors.iterator(); it.hasNext();) { - IContentAssistProcessor p = (IContentAssistProcessor) it.next(); - if (p instanceof IReleasable) { - ((IReleasable) p).release(); - } - } - fProcessors.clear(); - } -} |