diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/contentassist/JSPCompletionProcessor.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/contentassist/JSPCompletionProcessor.java | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/contentassist/JSPCompletionProcessor.java b/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/contentassist/JSPCompletionProcessor.java deleted file mode 100644 index 0741695bd8..0000000000 --- a/bundles/org.eclipse.jst.jsp.ui/src/org/eclipse/jst/jsp/ui/internal/contentassist/JSPCompletionProcessor.java +++ /dev/null @@ -1,273 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 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.jst.jsp.ui.internal.contentassist; - -import java.util.HashMap; -import java.util.Iterator; - -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.Platform; -import org.eclipse.jdt.core.ICompilationUnit; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.Position; -import org.eclipse.jface.text.contentassist.ICompletionProposal; -import org.eclipse.jface.text.contentassist.IContentAssistProcessor; -import org.eclipse.jst.jsp.core.internal.java.IJSPTranslation; -import org.eclipse.jst.jsp.core.internal.java.JSPTranslation; -import org.eclipse.jst.jsp.core.internal.java.JSPTranslationAdapter; -import org.eclipse.jst.jsp.ui.internal.JSPUIMessages; -import org.eclipse.jst.jsp.ui.internal.Logger; -import org.eclipse.wst.sse.core.internal.provisional.StructuredModelManager; -import org.eclipse.wst.sse.ui.internal.IReleasable; -import org.eclipse.wst.sse.ui.internal.StructuredTextViewer; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.osgi.framework.Bundle; -import org.osgi.framework.BundleException; - - -/** - * @plannedfor 1.0 - */ -public class JSPCompletionProcessor implements IContentAssistProcessor, IReleasable { - // for debugging - private static final boolean DEBUG; - static { - String value = Platform.getDebugOption("org.eclipse.jst.jsp.core/debug/jsptranslation"); //$NON-NLS-1$ - DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$ - } - - private static final String JDT_CORE_PLUGIN_ID = "org.eclipse.jdt.core"; //$NON-NLS-1$ - - protected int fJspSourcePosition, fJavaPosition; - protected String fErrorMessage = null; - protected StructuredTextViewer fViewer = null; - private JSPTranslationAdapter fTranslationAdapter = null; - - /** - * Returns a list of completion proposals based on the specified location - * within the document that corresponds to the current cursor position - * within the text viewer. - * - * @param viewer - * the viewer whose document is used to compute the proposals - * @param documentPosition - * an offset within the document for which completions should - * be computed - * @return an array of completion proposals or <code>null</code> if no - * proposals are possible - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int pos) { - initialize(pos); - - JSPProposalCollector collector = null; - - IDOMModel xmlModel = null; - try { - if (viewer instanceof StructuredTextViewer) - fViewer = (StructuredTextViewer) viewer; - - xmlModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(fViewer.getDocument()); - - IDOMDocument xmlDoc = xmlModel.getDocument(); - if (fTranslationAdapter == null) - fTranslationAdapter = (JSPTranslationAdapter) xmlDoc.getAdapterFor(IJSPTranslation.class); - if (fTranslationAdapter != null) { - - JSPTranslation translation = fTranslationAdapter.getJSPTranslation(); - fJavaPosition = translation.getJavaOffset(getDocumentPosition()); - - if (DEBUG) - System.out.println(debug(translation)); - - try { - - ICompilationUnit cu = translation.getCompilationUnit(); - - // can't get java proposals w/out a compilation unit - // or without a valid position - if (cu == null || -1 == fJavaPosition) - return new ICompletionProposal[0]; - - collector = getProposalCollector(cu, translation); - synchronized (cu) { - cu.codeComplete(fJavaPosition, collector, null); - } - } - catch (CoreException coreEx) { - // a possible Java Model Exception due to not being a Web - // (Java) Project - coreEx.printStackTrace(); - } - } - } - catch (Exception exc) { - exc.printStackTrace(); - // throw out exceptions on code assist. - } - finally { - if (xmlModel != null) { - xmlModel.releaseFromRead(); - } - } - ICompletionProposal[] results = new ICompletionProposal[0]; - if(collector != null) { - results = collector.getJSPCompletionProposals(); - if (results == null || results.length < 1) - fErrorMessage = JSPUIMessages.Java_Content_Assist_is_not_UI_; - } - return results; - } - - protected JSPProposalCollector getProposalCollector(ICompilationUnit cu, JSPTranslation translation) { - return new JSPProposalCollector(cu, translation); - } - - /** - * For debugging translation mapping only. - * - * @param translation - */ - private String debug(JSPTranslation translation) { - StringBuffer debugString = new StringBuffer(); - HashMap jsp2java = translation.getJsp2JavaMap(); - String javaText = translation.getJavaText(); - String jspText = fViewer.getDocument().get(); - debugString.append("[jsp2JavaMap in JSPCompletionProcessor]\r\n"); //$NON-NLS-1$ - debugString.append("jsp cursor position >> " + fViewer.getTextWidget().getCaretOffset() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$ - Iterator it = jsp2java.keySet().iterator(); - while (it.hasNext()) { - try { - Position jspPos = (Position) it.next(); - Position javaPos = (Position) jsp2java.get(jspPos); - debugString.append("jsp > " + jspPos.offset + ":" + jspPos.length + ":" + jspText.substring(jspPos.offset, jspPos.offset + jspPos.length) + ":\n"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ - debugString.append("java > " + javaPos.offset + ":" + javaPos.length + ":" + javaText.substring(javaPos.offset, javaPos.offset + javaPos.length) + ":\n"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ - debugString.append("-------------------------------------------------\n"); //$NON-NLS-1$ - } - catch (Exception e) { - // eat exceptions, it's only for debug - } - } - return debugString.toString(); - } - - /** - * Returns information about possible contexts based on the specified - * location within the document that corresponds to the current cursor - * position within the text viewer. - * - * @param viewer - * the viewer whose document is used to compute the possible - * contexts - * @param documentPosition - * an offset within the document for which context information - * should be computed - * @return an array of context information objects or <code>null</code> - * if no context could be found - */ - public org.eclipse.jface.text.contentassist.IContextInformation[] computeContextInformation(org.eclipse.jface.text.ITextViewer viewer, int documentOffset) { - return null; - } - - /** - * Returns a string of characters which when pressed should automatically - * display content-assist proposals. - * - * @return string of characters - */ - public java.lang.String getAutoProposalInvocationCharacters() { - return null; - } - - /** - * Returns a string of characters which when pressed should automatically - * display a content-assist tip. - * - * @return string of characters - */ - public java.lang.String getAutoTipInvocationCharacters() { - return null; - } - - /** - * Returns the characters which when entered by the user should - * automatically trigger the presentation of possible completions. - * - * @return the auto activation characters for completion proposal or - * <code>null</code> if no auto activation is desired - */ - public char[] getCompletionProposalAutoActivationCharacters() { - return null; - } - - /** - * Returns the characters which when entered by the user should - * automatically trigger the presentation of context information. - * - * @return the auto activation characters for presenting context - * information or <code>null</code> if no auto activation is - * desired - */ - public char[] getContextInformationAutoActivationCharacters() { - return null; - } - - /** - * Returns a validator used to determine when displayed context - * information should be dismissed. May only return <code>null</code> if - * the processor is incapable of computing context information. - * - * @return a context information validator, or <code>null</code> if the - * processor is incapable of computing context information - */ - public org.eclipse.jface.text.contentassist.IContextInformationValidator getContextInformationValidator() { - return null; - } - - protected int getDocumentPosition() { - return fJspSourcePosition; - } - - public String getErrorMessage() { - // TODO: get appropriate error message - // if (fCollector.getErrorMessage() != null && - // fCollector.getErrorMessage().length() > 0) - // return fCollector.getErrorMessage(); - return fErrorMessage; - } - - /** - * Initialize the code assist processor. - */ - protected void initialize(int pos) { - initializeJavaPlugins(); - - fJspSourcePosition = pos; - fErrorMessage = null; - } - - /** - * Initialize the Java Plugins that the JSP processor requires. - */ - protected void initializeJavaPlugins() { - try { - Bundle bundle = Platform.getBundle(JDT_CORE_PLUGIN_ID); - bundle.start(); - } - catch (BundleException exc) { - Logger.logException("Could not initialize the JDT Plugins", exc);//$NON-NLS-1$ - } - } - - public void release() { - fTranslationAdapter = null; - } -}
\ No newline at end of file |