+++ /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 PHPCompletionProcessor 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;
- }
- };
-
- // public final class VariablesCompletionProposal implements IJavaCompletionProposal {
- // private String fDisplayString;
- // private String fReplacementString;
- // private int fReplacementOffset;
- // private int fReplacementLength;
- // private int fCursorPosition;
- // private Image fImage;
- // private IContextInformation fContextInformation;
- // private String fAdditionalProposalInfo;
- //
- // /**
- // * Creates a new completion proposal based on the provided information. The replacement string is
- // * considered being the display string too. All remaining fields are set to <code>null</code>.
- // *
- // * @param replacementString the actual string to be inserted into the document
- // * @param replacementOffset the offset of the text to be replaced
- // * @param replacementLength the length of the text to be replaced
- // * @param cursorPosition the position of the cursor following the insert relative to replacementOffset
- // */
- // public VariablesCompletionProposal(
- // String replacementString,
- // int replacementOffset,
- // int replacementLength,
- // int cursorPosition) {
- // this(replacementString, replacementOffset, replacementLength, cursorPosition, null, null, null, null);
- // }
- //
- // /**
- // * Creates a new completion proposal. All fields are initialized based on the provided information.
- // *
- // * @param replacementString the actual string to be inserted into the document
- // * @param replacementOffset the offset of the text to be replaced
- // * @param replacementLength the length of the text to be replaced
- // * @param cursorPosition the position of the cursor following the insert relative to replacementOffset
- // * @param image the image to display for this proposal
- // * @param displayString the string to be displayed for the proposal
- // * @param contentInformation the context information associated with this proposal
- // * @param additionalProposalInfo the additional information associated with this proposal
- // */
- // public VariablesCompletionProposal(
- // String replacementString,
- // int replacementOffset,
- // int replacementLength,
- // int cursorPosition,
- // Image image,
- // String displayString,
- // IContextInformation contextInformation,
- // String additionalProposalInfo) {
- // // Assert.isNotNull(replacementString);
- // // Assert.isTrue(replacementOffset >= 0);
- // // Assert.isTrue(replacementLength >= 0);
- // // Assert.isTrue(cursorPosition >= 0);
- //
- // fReplacementString = replacementString;
- // fReplacementOffset = replacementOffset;
- // fReplacementLength = replacementLength;
- // fCursorPosition = cursorPosition;
- // fImage = image;
- // fDisplayString = displayString;
- // fContextInformation = contextInformation;
- // fAdditionalProposalInfo = additionalProposalInfo;
- // }
- //
- // /*
- // * @see ICompletionProposal#apply
- // */
- // public void apply(IDocument document) {
- // try {
- // document.replace(fReplacementOffset, fReplacementLength, fReplacementString);
- // } catch (BadLocationException x) {
- // // ignore
- // }
- // }
- //
- // /*
- // * @see ICompletionProposal#getSelection
- // */
- // public Point getSelection(IDocument document) {
- // return new Point(fReplacementOffset + fCursorPosition, 0);
- // }
- //
- // /*
- // * @see ICompletionProposal#getContextInformation()
- // */
- // public IContextInformation getContextInformation() {
- // return fContextInformation;
- // }
- //
- // /*
- // * @see ICompletionProposal#getImage()
- // */
- // public Image getImage() {
- // return fImage;
- // }
- //
- // /*
- // * @see ICompletionProposal#getDisplayString()
- // */
- // public String getDisplayString() {
- // if (fDisplayString != null)
- // return fDisplayString;
- // return fReplacementString;
- // }
- //
- // /*
- // * @see ICompletionProposal#getAdditionalProposalInfo()
- // */
- // public String getAdditionalProposalInfo() {
- // return fAdditionalProposalInfo;
- // }
- // /**
- // * Returns the relevance of the proposal.
- // */
- // public int getRelevance() {
- // return 0;
- // }
- // }
-
- protected final static String[] fgProposals = PHPFunctionNames.FUNCTION_NAMES;
-
- private char[] fProposalAutoActivationSet;
- protected IContextInformationValidator fValidator = new Validator();
- private TemplateEngine fTemplateEngine;
- private PHPCompletionProposalComparator fComparator;
- private int fNumberOfComputedResults = 0;
-
- public PHPCompletionProcessor() {
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null)
- fTemplateEngine = new TemplateEngine(contextType);
-
- fComparator = new PHPCompletionProposalComparator();
- }
-
- /**
- * Sets this processor's set of characters triggering the activation of the
- * completion proposal computation.
- *
- * @param activationSet the activation set
- */
- public void setCompletionProposalAutoActivationCharacters(char[] activationSet) {
- fProposalAutoActivationSet= activationSet;
- }
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
- // IDocument document = viewer.getDocument();
- // if (documentOffset > 0) {
- // try {
- // ICompletionProposal[] result;
- // char character = document.getChar(documentOffset - 1);
- // if (character == '$') {
- ////viewer. .getActivePage().getActiveEditor();
- // result = new ICompletionProposal[fgProposals.length];
- // for (int i = 0; i < fgProposals.length; i++) {
- // IContextInformation info = new ContextInformation(fgProposals[i], MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.ContextInfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$
- // result[i] = new CompletionProposal(fgProposals[i], documentOffset, 0, fgProposals[i].length(), null, fgProposals[i], info, MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.hoverinfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$
- // }
- // return result;
- // }
- // } catch (BadLocationException e) {
- // return new ICompletionProposal[0];
- // }
- // }
- //
- // ICompletionProposal[] result = new ICompletionProposal[fgProposals.length];
- // for (int i = 0; i < fgProposals.length; i++) {
- // IContextInformation info = new ContextInformation(fgProposals[i], MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.ContextInfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$
- // result[i] = new CompletionProposal(fgProposals[i], documentOffset, 0, fgProposals[i].length(), null, fgProposals[i], info, MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.hoverinfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$
- // }
- // return result;
- int contextInformationPosition = guessContextInformationPosition(viewer, documentOffset);
- return internalComputeCompletionProposals(viewer, documentOffset, contextInformationPosition);
-
- }
-
- private ICompletionProposal[] internalComputeCompletionProposals(ITextViewer viewer, int offset, int contextOffset) {
- IDocument document = viewer.getDocument();
- Object[] identifiers = null;
- if (offset > 0) {
-
- PHPEditor editor = null;
- PHPContentOutlinePage outlinePage = null;
-
- IEditorPart targetEditor = PHPeclipsePlugin.getActiveWorkbenchWindow().getActivePage().getActiveEditor();
- if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
- editor = (PHPEditor) targetEditor;
- outlinePage = editor.getfOutlinePage();
- identifiers = outlinePage.getVariables();
- }
- }
-
- 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();
-
- IPHPCompletionProposal[] identifierResults = new IPHPCompletionProposal[0];
- if (identifiers != null) {
- IdentifierEngine identifierEngine;
- String proposal;
- // int j = 0;
- // for (int i = templateResults.length; i < templateResults.length + variables.length; i++) {
- // proposal = (String) variables[j++];
- // IContextInformation info = new ContextInformation(proposal, MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.ContextInfo.pattern"), new Object[] { proposal })); //$NON-NLS-1$
- // results[i] = new VariablesCompletionProposal(proposal, offset, 0, proposal.length(), null, proposal, info, MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.hoverinfo.pattern"), new Object[] { proposal })); //$NON-NLS-1$
- // }
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null) {
- identifierEngine = new IdentifierEngine(contextType);
- identifierEngine.complete(viewer, offset, identifiers);
- identifierResults = identifierEngine.getResults();
- }
- }
-
- IPHPCompletionProposal[] builtinResults = new IPHPCompletionProposal[0];
- if (PHPFunctionNames.FUNCTION_NAMES != null) {
- BuiltInEngine builtinEngine;
- String proposal;
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null) {
- builtinEngine = new BuiltInEngine(contextType);
- builtinEngine.complete(viewer, offset, PHPFunctionNames.FUNCTION_NAMES);
- builtinResults = builtinEngine.getResults();
- }
- }
-
- // concatenate arrays
- IPHPCompletionProposal[] total;
- total = new IPHPCompletionProposal[templateResults.length + identifierResults.length + builtinResults.length];
- System.arraycopy(templateResults, 0, total, 0, templateResults.length);
- System.arraycopy(identifierResults, 0, total, templateResults.length, identifierResults.length);
- System.arraycopy(builtinResults, 0, total, templateResults.length + identifierResults.length, builtinResults.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();
-
- // try {
- //
- // PHPCodeReader reader= new PHPCodeReader();
- // reader.configureBackwardReader(document, offset, true, true);
- //
- // int nestingLevel= 0;
- //
- // int curr= reader.read();
- // while (curr != PHPCodeReader.EOF) {
- //
- // if (')' == (char) curr)
- // ++ nestingLevel;
- //
- // else if ('(' == (char) curr) {
- // -- nestingLevel;
- //
- // if (nestingLevel < 0) {
- // int start= reader.getOffset();
- // if (looksLikeMethod(reader))
- // return start + 1;
- // }
- // }
- //
- // curr= reader.read();
- // }
- // } catch (IOException e) {
- // }
-
- 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 fProposalAutoActivationSet;
-// return null; // 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;
- }
-}
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