| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.search; |
| |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.dltk.core.IField; |
| import org.eclipse.dltk.core.search.IDLTKSearchConstants; |
| import org.eclipse.dltk.core.search.SearchMatch; |
| import org.eclipse.dltk.ui.DLTKUIPlugin; |
| import org.eclipse.dltk.ui.search.ElementQuerySpecification; |
| import org.eclipse.dltk.ui.search.PatternQuerySpecification; |
| import org.eclipse.dltk.ui.search.QuerySpecification; |
| import org.eclipse.search.ui.text.Match; |
| import org.eclipse.search.ui.text.MatchFilter; |
| |
| abstract class DLTKMatchFilter extends MatchFilter { |
| |
| private static final String SETTINGS_LAST_USED_FILTERS = "filters_last_used"; //$NON-NLS-1$ |
| |
| public static DLTKMatchFilter[] getLastUsedFilters() { |
| String string = DLTKUIPlugin.getDefault().getDialogSettings().get( |
| SETTINGS_LAST_USED_FILTERS); |
| if (string != null && string.length() > 0) { |
| return decodeFiltersString(string); |
| } |
| return getDefaultFilters(); |
| } |
| |
| public static void setLastUsedFilters(DLTKMatchFilter[] filters) { |
| String encoded = encodeFilters(filters); |
| DLTKUIPlugin.getDefault().getDialogSettings().put( |
| SETTINGS_LAST_USED_FILTERS, encoded); |
| } |
| |
| public static DLTKMatchFilter[] getDefaultFilters() { |
| return new DLTKMatchFilter[] { POTENTIAL_FILTER }; |
| } |
| |
| private static String encodeFilters(DLTKMatchFilter[] enabledFilters) { |
| StringBuffer buf = new StringBuffer(); |
| buf.append(enabledFilters.length); |
| for (int i = 0; i < enabledFilters.length; i++) { |
| buf.append(';'); |
| buf.append(enabledFilters[i].getID()); |
| } |
| return buf.toString(); |
| } |
| |
| private static DLTKMatchFilter[] decodeFiltersString(String encodedString) { |
| StringTokenizer tokenizer = new StringTokenizer(encodedString, String |
| .valueOf(';')); |
| int count = Integer.valueOf(tokenizer.nextToken()).intValue(); |
| DLTKMatchFilter[] res = new DLTKMatchFilter[count]; |
| for (int i = 0; i < count; i++) { |
| res[i] = findMatchFilter(tokenizer.nextToken()); |
| } |
| return res; |
| } |
| |
| @Override |
| public boolean filters(Match match) { |
| if (match instanceof DLTKElementMatch) { |
| return filters((DLTKElementMatch) match); |
| } |
| return false; |
| } |
| |
| public abstract boolean isApplicable(DLTKSearchQuery query); |
| |
| public abstract boolean filters(DLTKElementMatch match); |
| |
| private static final DLTKMatchFilter POTENTIAL_FILTER = new PotentialFilter(); |
| // private static final MatchFilter IMPORT_FILTER= new ImportFilter(); |
| private static final DLTKMatchFilter SCRIPTDOC_FILTER = new ScriptdocFilter(); |
| private static final DLTKMatchFilter READ_FILTER = new ReadFilter(); |
| private static final DLTKMatchFilter WRITE_FILTER = new WriteFilter(); |
| // private static final MatchFilter INEXACT_FILTER= new |
| // InexactMatchFilter(); |
| // private static final MatchFilter ERASURE_FILTER= new |
| // ErasureMatchFilter(); |
| |
| private static final DLTKMatchFilter[] ALL_FILTERS = new DLTKMatchFilter[] { |
| POTENTIAL_FILTER, |
| // IMPORT_FILTER, |
| SCRIPTDOC_FILTER, READ_FILTER, WRITE_FILTER |
| // INEXACT_FILTER, |
| // ERASURE_FILTER |
| }; |
| |
| public static DLTKMatchFilter[] allFilters() { |
| return ALL_FILTERS; |
| } |
| |
| private static DLTKMatchFilter findMatchFilter(String id) { |
| for (int i = 0; i < ALL_FILTERS.length; i++) { |
| if (ALL_FILTERS[i].getID().equals(id)) |
| return ALL_FILTERS[i]; |
| } |
| return POTENTIAL_FILTER; // just return something, should not happen |
| } |
| |
| } |
| |
| class PotentialFilter extends DLTKMatchFilter { |
| @Override |
| public boolean filters(DLTKElementMatch match) { |
| return match.getAccuracy() == SearchMatch.A_INACCURATE; |
| } |
| |
| @Override |
| public String getName() { |
| return SearchMessages.MatchFilter_PotentialFilter_name; |
| } |
| |
| @Override |
| public String getActionLabel() { |
| return SearchMessages.MatchFilter_PotentialFilter_actionLabel; |
| } |
| |
| @Override |
| public String getDescription() { |
| return SearchMessages.MatchFilter_PotentialFilter_description; |
| } |
| |
| @Override |
| public boolean isApplicable(DLTKSearchQuery query) { |
| return true; |
| } |
| |
| @Override |
| public String getID() { |
| return "filter_potential"; //$NON-NLS-1$ |
| } |
| } |
| |
| abstract class FieldFilter extends DLTKMatchFilter { |
| @Override |
| public boolean isApplicable(DLTKSearchQuery query) { |
| QuerySpecification spec = query.getSpecification(); |
| if (spec instanceof ElementQuerySpecification) { |
| ElementQuerySpecification elementSpec = (ElementQuerySpecification) spec; |
| return elementSpec.getElement() instanceof IField; |
| } else if (spec instanceof PatternQuerySpecification) { |
| PatternQuerySpecification patternSpec = (PatternQuerySpecification) spec; |
| return patternSpec.getSearchFor() == IDLTKSearchConstants.FIELD; |
| } |
| return false; |
| } |
| |
| } |
| |
| class WriteFilter extends FieldFilter { |
| @Override |
| public boolean filters(DLTKElementMatch match) { |
| return match.isWriteAccess() && !match.isReadAccess(); |
| } |
| |
| @Override |
| public String getName() { |
| return SearchMessages.MatchFilter_WriteFilter_name; |
| } |
| |
| @Override |
| public String getActionLabel() { |
| return SearchMessages.MatchFilter_WriteFilter_actionLabel; |
| } |
| |
| @Override |
| public String getDescription() { |
| return SearchMessages.MatchFilter_WriteFilter_description; |
| } |
| |
| @Override |
| public String getID() { |
| return "filter_writes"; //$NON-NLS-1$ |
| } |
| } |
| |
| class ReadFilter extends FieldFilter { |
| @Override |
| public boolean filters(DLTKElementMatch match) { |
| return match.isReadAccess() && !match.isWriteAccess(); |
| } |
| |
| @Override |
| public String getName() { |
| return SearchMessages.MatchFilter_ReadFilter_name; |
| } |
| |
| @Override |
| public String getActionLabel() { |
| return SearchMessages.MatchFilter_ReadFilter_actionLabel; |
| } |
| |
| @Override |
| public String getDescription() { |
| return SearchMessages.MatchFilter_ReadFilter_description; |
| } |
| |
| @Override |
| public String getID() { |
| return "filter_reads"; //$NON-NLS-1$ |
| } |
| } |
| |
| class ScriptdocFilter extends DLTKMatchFilter { |
| @Override |
| public boolean filters(DLTKElementMatch match) { |
| return match.isScriptdoc(); |
| } |
| |
| @Override |
| public String getName() { |
| return SearchMessages.MatchFilter_DLTKdocFilter_name; |
| } |
| |
| @Override |
| public String getActionLabel() { |
| return SearchMessages.MatchFilter_DLTKdocFilter_actionLabel; |
| } |
| |
| @Override |
| public String getDescription() { |
| return SearchMessages.MatchFilter_DLTKdocFilter_description; |
| } |
| |
| @Override |
| public boolean isApplicable(DLTKSearchQuery query) { |
| return true; |
| } |
| |
| @Override |
| public String getID() { |
| return "filter_javadoc"; //$NON-NLS-1$ |
| } |
| } |