| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jface.text.templates.ContextTypeRegistry; |
| import org.eclipse.jface.text.templates.Template; |
| import org.eclipse.jface.text.templates.persistence.TemplatePersistenceData; |
| import org.eclipse.jface.text.templates.persistence.TemplateStore; |
| |
| import org.eclipse.ui.editors.text.templates.ContributionTemplateStore; |
| |
| |
| /** |
| * for compatibility only - don't use |
| */ |
| public final class CompatibilityTemplateStore extends ContributionTemplateStore { |
| |
| |
| private org.eclipse.jdt.internal.corext.template.java.TemplateSet fLegacySet; |
| |
| public CompatibilityTemplateStore(ContextTypeRegistry registry, IPreferenceStore store, String key, org.eclipse.jdt.internal.corext.template.java.TemplateSet legacySet) { |
| super(registry, store, key); |
| fLegacySet= legacySet; |
| } |
| |
| @Override |
| public void load() throws IOException { |
| super.load(); |
| |
| if (fLegacySet != null) { |
| |
| List<Template> legacyTemplates= new ArrayList<>(Arrays.asList(fLegacySet.getTemplates())); |
| fLegacySet.clear(); |
| |
| TemplatePersistenceData[] datas= getTemplateData(true); |
| for (Iterator<Template> it= legacyTemplates.listIterator(); it.hasNext();) { |
| Template t= it.next(); |
| TemplatePersistenceData orig= findSimilarTemplate(datas, t, isCodeTemplates()); |
| if (orig == null) { // no contributed match for the old template found |
| if (!isCodeTemplates()) |
| add(new TemplatePersistenceData(t, true)); |
| } else { // a contributed template seems to be the descendant of the non-id template t |
| if (!orig.getTemplate().getPattern().equals(t.getPattern())) |
| // add as modified contributed template if changed compared to the original |
| orig.setTemplate(t); |
| } |
| } |
| |
| save(); |
| fLegacySet= null; |
| } |
| } |
| |
| private static TemplatePersistenceData findSimilarTemplate(TemplatePersistenceData[] datas, Template template, boolean isCodeTemplates) { |
| for (int i= 0; i < datas.length; i++) { |
| TemplatePersistenceData data= datas[i]; |
| Template orig= data.getTemplate(); |
| if (isSimilar(template, orig, isCodeTemplates)) |
| return data; |
| } |
| |
| return null; |
| } |
| |
| private static boolean isSimilar(Template t, Template orig, boolean isCodeTemplates) { |
| return orig.getName().equals(t.getName()) && orig.getContextTypeId().equals(t.getContextTypeId()) |
| && (isCodeTemplates || orig.getDescription().equals(t.getDescription())); // only use description for templates (for, while...) |
| } |
| |
| private boolean isCodeTemplates() { |
| return fLegacySet instanceof org.eclipse.jdt.internal.corext.template.java.CodeTemplates; |
| } |
| |
| /** |
| * Removes any duplicates from a template store. Duplicate user added templates |
| * are copied over their contributed siblings. If isCodeTemplates is true, |
| * any user added templates are then removed. |
| * |
| * @param store |
| * @param isCodeTemplates |
| */ |
| public static void pruneDuplicates(TemplateStore store, boolean isCodeTemplates) { |
| TemplatePersistenceData[] datas= store.getTemplateData(true); |
| for (int i= datas.length - 1; i >= 0; i--) { |
| TemplatePersistenceData data= datas[i]; |
| if (data.isUserAdded()) { |
| // find a contributed template that is similar and check it |
| TemplatePersistenceData similar= findSimilarTemplate(datas, data.getTemplate(), isCodeTemplates); |
| if (similar != data && !similar.isUserAdded()) { |
| similar.setTemplate(data.getTemplate()); |
| store.delete(data); |
| } |
| } |
| } |
| |
| if (isCodeTemplates) { |
| datas= store.getTemplateData(true); |
| for (int i= datas.length - 1; i >= 0; i--) { |
| if (datas[i].isUserAdded()) |
| store.delete(datas[i]); |
| } |
| } |
| } |
| } |