| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.internal.ui.text.spelling; |
| |
| import java.util.Locale; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| |
| import org.eclipse.ui.texteditor.spelling.ISpellingEngine; |
| import org.eclipse.ui.texteditor.spelling.ISpellingProblemCollector; |
| import org.eclipse.ui.texteditor.spelling.SpellingContext; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| |
| import org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellCheckPreferenceKeys; |
| import org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellChecker; |
| import org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellEvent; |
| import org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellEventListener; |
| |
| /** |
| * Internal abstract spelling engine, subclasses provide a content-type specific implementation. |
| * |
| * @since 3.1 |
| */ |
| public abstract class SpellingEngine implements ISpellingEngine { |
| |
| /** |
| * {@link ISpellEvent}listener that forwards events as |
| * {@link org.eclipse.ui.texteditor.spelling.SpellingProblem}. |
| */ |
| protected static class SpellEventListener implements ISpellEventListener { |
| |
| /** Spelling problem collector */ |
| private ISpellingProblemCollector fCollector; |
| |
| /** |
| * Initialize with the given spelling problem collector. |
| * |
| * @param collector the spelling problem collector |
| */ |
| public SpellEventListener(ISpellingProblemCollector collector) { |
| super(); |
| fCollector= collector; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellEventListener#handle(org.eclipse.jdt.internal.ui.text.spelling.engine.ISpellEvent) |
| */ |
| public void handle(ISpellEvent event) { |
| fCollector.accept(new JavaSpellingProblem(event)); |
| } |
| } |
| |
| /* |
| * @see org.eclipse.ui.texteditor.spelling.ISpellingEngine#check(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.IRegion[], org.eclipse.ui.texteditor.spelling.SpellingContext, org.eclipse.ui.texteditor.spelling.ISpellingProblemCollector, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void check(IDocument document, IRegion[] regions, SpellingContext context, ISpellingProblemCollector collector, IProgressMonitor monitor) { |
| IPreferenceStore preferences= PreferenceConstants.getPreferenceStore(); |
| if (collector != null) { |
| Locale locale= getLocale(preferences); |
| ISpellChecker checker= org.eclipse.jdt.internal.ui.text.spelling.SpellCheckEngine.getInstance().createSpellChecker(locale, preferences); |
| if (checker != null) |
| check(document, regions, checker, locale, collector, monitor); |
| } |
| } |
| |
| /** |
| * Spell-checks the given document regions with the given arguments. |
| * |
| * @param document the document |
| * @param regions the regions |
| * @param checker the spell checker |
| * @param locale the locale |
| * @param collector the spelling problem collector |
| * @param monitor the progress monitor, can be <code>null</code> |
| */ |
| protected abstract void check(IDocument document, IRegion[] regions, ISpellChecker checker, Locale locale, ISpellingProblemCollector collector, IProgressMonitor monitor); |
| |
| /** |
| * Returns the current locale of the spelling preferences. |
| * |
| * @return The current locale of the spelling preferences |
| */ |
| private Locale getLocale(IPreferenceStore preferences) { |
| Locale defaultLocale= org.eclipse.jdt.internal.ui.text.spelling.SpellCheckEngine.getDefaultLocale(); |
| String locale= preferences.getString(ISpellCheckPreferenceKeys.SPELLING_LOCALE); |
| if (locale.equals(defaultLocale.toString())) |
| return defaultLocale; |
| |
| if (locale.length() >= 5) |
| return new Locale(locale.substring(0, 2), locale.substring(3, 5)); |
| |
| return defaultLocale; |
| } |
| } |