/**********************************************************************
-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
- www.phpeclipse.de
-**********************************************************************/
+ 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
+ www.phpeclipse.de
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor.php;
import java.util.ArrayList;
*/
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 char[] fProposalAutoActivationSet;
- private PHPCompletionProposalComparator fComparator;
- private int fNumberOfComputedResults = 0;
-
- private IEditorPart fEditor;
-
- protected IWorkingCopyManager fManager;
-
- public HTMLCompletionProcessor(IEditorPart editor) {
- fEditor = editor;
- fManager = PHPeclipsePlugin.getDefault().getWorkingCopyManager();
-
- TemplateContextType contextType = PHPeclipsePlugin.getDefault().getTemplateContextRegistry().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();
- ICompilationUnit unit= fManager.getWorkingCopy(fEditor.getEditorInput());
-
- 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;
- }
-
- /**
- * Tells this processor to order the proposals alphabetically.
- *
- * @param order <code>true</code> if proposals should be ordered.
- */
- public void orderProposalsAlphabetically(boolean order) {
- fComparator.setOrderAlphabetically(order);
- }
-
- /**
- * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
- */
- public char[] getCompletionProposalAutoActivationCharacters() {
- return fProposalAutoActivationSet;
- }
-
- /**
- * 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 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;
- }
+ /**
+ * 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 char[] fProposalAutoActivationSet;
+
+ private PHPCompletionProposalComparator fComparator;
+
+ private int fNumberOfComputedResults = 0;
+
+ private IEditorPart fEditor;
+
+ protected IWorkingCopyManager fManager;
+
+ public HTMLCompletionProcessor(IEditorPart editor) {
+ fEditor = editor;
+ fManager = PHPeclipsePlugin.getDefault().getWorkingCopyManager();
+
+ TemplateContextType contextType = PHPeclipsePlugin.getDefault()
+ .getTemplateContextRegistry().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();
+ ICompilationUnit unit = fManager.getWorkingCopy(fEditor
+ .getEditorInput());
+
+ 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;
+ }
+
+ /**
+ * Tells this processor to order the proposals alphabetically.
+ *
+ * @param order
+ * <code>true</code> if proposals should be ordered.
+ */
+ public void orderProposalsAlphabetically(boolean order) {
+ fComparator.setOrderAlphabetically(order);
+ }
+
+ /**
+ * @see IContentAssistProcessor#getCompletionProposalAutoActivationCharacters()
+ */
+ public char[] getCompletionProposalAutoActivationCharacters() {
+ return fProposalAutoActivationSet;
+ }
+
+ /**
+ * 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 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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