--- /dev/null
+/**********************************************************************
+Copyright (c) 2000, 2002 IBM Corp. and others.
+All rights reserved. This program and the accompanying materials
+are made available under the terms of the Common Public License v1.0
+which accompanies this distribution, and is available at
+http://www.eclipse.org/legal/cpl-v10.html
+
+Contributors:
+ IBM Corporation - Initial implementation
+ Klaus Hartlage - www.eclipseproject.de
+**********************************************************************/
+package net.sourceforge.phpeclipse.phpeditor.php;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import net.sourceforge.phpdt.internal.corext.template.ContextType;
+import net.sourceforge.phpdt.internal.corext.template.ContextTypeRegistry;
+import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
+import net.sourceforge.phpdt.internal.ui.text.java.PHPCompletionProposalComparator;
+import net.sourceforge.phpdt.internal.ui.text.template.BuiltInEngine;
+import net.sourceforge.phpdt.internal.ui.text.template.IdentifierEngine;
+import net.sourceforge.phpdt.internal.ui.text.template.TemplateEngine;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.PHPContentOutlinePage;
+import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.TextPresentation;
+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.IContextInformationExtension;
+import org.eclipse.jface.text.contentassist.IContextInformationPresenter;
+import org.eclipse.jface.text.contentassist.IContextInformationValidator;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * Example PHP completion processor.
+ */
+public class HTMLCompletionProcessor implements IContentAssistProcessor {
+
+ /**
+ * Simple content assist tip closer. The tip is valid in a range
+ * of 5 characters around its popup location.
+ */
+ protected static class Validator implements IContextInformationValidator, IContextInformationPresenter {
+
+ protected int fInstallOffset;
+
+ /*
+ * @see IContextInformationValidator#isContextInformationValid(int)
+ */
+ public boolean isContextInformationValid(int offset) {
+ return Math.abs(fInstallOffset - offset) < 5;
+ }
+
+ /*
+ * @see IContextInformationValidator#install(IContextInformation, ITextViewer, int)
+ */
+ public void install(IContextInformation info, ITextViewer viewer, int offset) {
+ fInstallOffset = offset;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.contentassist.IContextInformationPresenter#updatePresentation(int, TextPresentation)
+ */
+ public boolean updatePresentation(int documentPosition, TextPresentation presentation) {
+ return false;
+ }
+ };
+
+ private static class ContextInformationWrapper implements IContextInformation, IContextInformationExtension {
+
+ private final IContextInformation fContextInformation;
+ private int fPosition;
+
+ public ContextInformationWrapper(IContextInformation contextInformation) {
+ fContextInformation = contextInformation;
+ }
+
+ /*
+ * @see IContextInformation#getContextDisplayString()
+ */
+ public String getContextDisplayString() {
+ return fContextInformation.getContextDisplayString();
+ }
+
+ /*
+ * @see IContextInformation#getImage()
+ */
+ public Image getImage() {
+ return fContextInformation.getImage();
+ }
+
+ /*
+ * @see IContextInformation#getInformationDisplayString()
+ */
+ public String getInformationDisplayString() {
+ return fContextInformation.getInformationDisplayString();
+ }
+
+ /*
+ * @see IContextInformationExtension#getContextInformationPosition()
+ */
+ public int getContextInformationPosition() {
+ return fPosition;
+ }
+
+ public void setContextInformationPosition(int position) {
+ fPosition = position;
+ }
+ };
+
+ protected IContextInformationValidator fValidator = new Validator();
+ private TemplateEngine fTemplateEngine;
+ private PHPCompletionProposalComparator fComparator;
+ private int fNumberOfComputedResults = 0;
+
+ public HTMLCompletionProcessor() {
+
+ ContextType contextType = ContextTypeRegistry.getInstance().getContextType("html"); //$NON-NLS-1$
+ if (contextType != null)
+ fTemplateEngine = new TemplateEngine(contextType);
+
+ fComparator = new PHPCompletionProposalComparator();
+ }
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
+ int contextInformationPosition = guessContextInformationPosition(viewer, documentOffset);
+ return internalComputeCompletionProposals(viewer, documentOffset, contextInformationPosition);
+ }
+
+ private ICompletionProposal[] internalComputeCompletionProposals(ITextViewer viewer, int offset, int contextOffset) {
+ IDocument document = viewer.getDocument();
+
+ if (fTemplateEngine != null) {
+ ICompletionProposal[] results;
+ // try {
+ fTemplateEngine.reset();
+ fTemplateEngine.complete(viewer, offset); //, unit);
+ // } catch (JavaModelException x) {
+ // Shell shell= viewer.getTextWidget().getShell();
+ // ErrorDialog.openError(shell, JavaTextMessages.getString("CompletionProcessor.error.accessing.title"), JavaTextMessages.getString("CompletionProcessor.error.accessing.message"), x.getStatus()); //$NON-NLS-2$ //$NON-NLS-1$
+ // }
+
+ IPHPCompletionProposal[] templateResults = fTemplateEngine.getResults();
+
+ // concatenate arrays
+ IPHPCompletionProposal[] total;
+ total = new IPHPCompletionProposal[templateResults.length];
+ System.arraycopy(templateResults, 0, total, 0, templateResults.length);
+ results = total;
+
+ fNumberOfComputedResults = (results == null ? 0 : results.length);
+ /*
+ * Order here and not in result collector to make sure that the order
+ * applies to all proposals and not just those of the compilation unit.
+ */
+ return order(results);
+ }
+ return new IPHPCompletionProposal[0];
+ }
+
+ private int guessContextInformationPosition(ITextViewer viewer, int offset) {
+ int contextPosition = offset;
+ IDocument document = viewer.getDocument();
+ return contextPosition;
+ }
+
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ // public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) {
+ // IContextInformation[] result = new IContextInformation[5];
+ // for (int i = 0; i < result.length; i++)
+ // result[i] = new ContextInformation(MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.ContextInfo.display.pattern"), new Object[] { new Integer(i), new Integer(documentOffset)}), //$NON-NLS-1$
+ // MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.ContextInfo.value.pattern"), new Object[] { new Integer(i), new Integer(documentOffset - 5), new Integer(documentOffset + 5)})); //$NON-NLS-1$
+ // return result;
+ // }
+ /**
+ * @see IContentAssistProcessor#computeContextInformation(ITextViewer, int)
+ */
+ public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
+ int contextInformationPosition = guessContextInformationPosition(viewer, offset);
+ List result = addContextInformations(viewer, contextInformationPosition);
+ return (IContextInformation[]) result.toArray(new IContextInformation[result.size()]);
+ }
+
+ private List addContextInformations(ITextViewer viewer, int offset) {
+ ICompletionProposal[] proposals = internalComputeCompletionProposals(viewer, offset, -1);
+
+ List result = new ArrayList();
+ for (int i = 0; i < proposals.length; i++) {
+ IContextInformation contextInformation = proposals[i].getContextInformation();
+ if (contextInformation != null) {
+ ContextInformationWrapper wrapper = new ContextInformationWrapper(contextInformation);
+ wrapper.setContextInformationPosition(offset);
+ result.add(wrapper);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Order the given proposals.
+ */
+ private ICompletionProposal[] order(ICompletionProposal[] proposals) {
+ Arrays.sort(proposals, fComparator);
+ return proposals;
+ }
+
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ public char[] getCompletionProposalAutoActivationCharacters() {
+ return new char[] { '<', '&', '#' };
+ }
+
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ public char[] getContextInformationAutoActivationCharacters() {
+ return new char[] {
+ };
+ }
+
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ public IContextInformationValidator getContextInformationValidator() {
+ return fValidator;
+ }
+
+ /* (non-Javadoc)
+ * Method declared on IContentAssistProcessor
+ */
+ public String getErrorMessage() {
+ return null;
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff