diff options
Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/contentassist/JSDTContentAssistantProcessor.java')
| -rw-r--r-- | bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/contentassist/JSDTContentAssistantProcessor.java | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/contentassist/JSDTContentAssistantProcessor.java b/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/contentassist/JSDTContentAssistantProcessor.java deleted file mode 100644 index e0252e02a7..0000000000 --- a/bundles/org.eclipse.wst.jsdt.web.ui/src/org/eclipse/wst/jsdt/web/ui/internal/contentassist/JSDTContentAssistantProcessor.java +++ /dev/null @@ -1,236 +0,0 @@ -package org.eclipse.wst.jsdt.web.ui.internal.contentassist; - -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.Platform; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.contentassist.ICompletionProposal; -import org.eclipse.wst.jsdt.core.ICompilationUnit; -import org.eclipse.wst.jsdt.web.core.internal.java.IJsTranslation; -import org.eclipse.wst.jsdt.web.core.internal.java.JsTranslation; -import org.eclipse.wst.jsdt.web.core.internal.java.JsTranslationAdapter; -import org.eclipse.wst.jsdt.web.ui.internal.JsUIMessages; -import org.eclipse.wst.sse.core.StructuredModelManager; -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.eclipse.wst.xml.ui.internal.contentassist.AbstractContentAssistProcessor; -import org.osgi.framework.Bundle; - -public class JSDTContentAssistantProcessor extends AbstractContentAssistProcessor { - private static final boolean DEBUG; - private static final String JSDT_CORE_PLUGIN_ID = "org.eclipse.wst.jsdt.core"; //$NON-NLS-1$ - static { - String value = Platform.getDebugOption("org.eclipse.wst.jsdt.web.core/debug/jsptranslation"); //$NON-NLS-1$ - DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$ - } - protected String fErrorMessage = null; - protected int fJspSourcePosition, fJavaPosition; - private JSDTProposalCollector fProposalCollector; - private JsTranslationAdapter fTranslationAdapter = null; - protected StructuredTextViewer fViewer = null; - - public JSDTContentAssistantProcessor() { - super(); - } - - /** - * 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); - JSDTProposalCollector 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 = (JsTranslationAdapter) xmlDoc.getAdapterFor(IJsTranslation.class); - } - if (fTranslationAdapter != null) { - JsTranslation translation = fTranslationAdapter.getJSPTranslation(true); - fJavaPosition = getDocumentPosition(); - 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(); - 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 = JsUIMessages.Java_Content_Assist_is_not_UI_; - } - } - return results; - } - - /** - * 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; - } - - protected JSDTProposalCollector getProposalCollector() { - return fProposalCollector; - // return new JSPProposalCollector(translation); - } - - /** - * Initialize the code assist processor. - */ - protected void initialize(int pos) { - initializeJavaPlugins(); - fJspSourcePosition = pos; - fErrorMessage = null; - } - - /** - * Initialize the Java Plugins that the JSP processor requires. See - * https://bugs.eclipse.org/bugs/show_bug.cgi?id=143765 We should not call - * "start", because that will cause that state to be remembered, and - * re-started automatically during the next boot up sequence. - * - * ISSUE: we may be able to get rid of this all together, in future, since - * 99% we probably have already used some JDT class by the time we need JDT - * to be active ... but ... this is the safest fix for this point in 1.5 - * stream. Next release, let's just remove this, re-discover what ever bug - * this was fixing (if any) and if there is one, then we'll either put back - * in, as is, or come up with a more appropriate fix. - * - */ - protected void initializeJavaPlugins() { - try { - Bundle bundle = Platform.getBundle(JSDTContentAssistantProcessor.JSDT_CORE_PLUGIN_ID); - bundle.loadClass("dummyClassNameThatShouldNeverExist"); //$NON-NLS-1$ - } catch (ClassNotFoundException e) { - // this is the expected result, we just want to - // nudge the bundle to be sure its activated. - } - } - - - public void release() { - fTranslationAdapter = null; - } - - public void setProposalCollector(JSDTProposalCollector translation) { - this.fProposalCollector = translation; - } -} |