001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.plugins.design.ui.libraries.client;
021    
022    import com.google.gwt.user.client.ui.TextBox;
023    import org.sonar.gwt.Configuration;
024    
025    public class KeywordFilter extends TextBox {
026      public static final String PARAM_FILTER = "filter";
027    
028      public KeywordFilter() {
029        getElement().setId("keywordFilter");
030        String filterValue = Configuration.getRequestParameter(PARAM_FILTER);
031        if (filterValue != null) {
032          setValue(filterValue);
033        }
034      }
035    
036      public String getKeyword() {
037        return getText().trim().toUpperCase();
038      }
039    
040      public boolean hasKeyword() {
041        String keyword = getKeyword();
042        return keyword!=null && !"".equals(keyword);
043      }
044    }