* markiewb@netbeans.org

 *

import javax.swing.text.Document;

 * markiewb@netbeans.org

 *

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.text.BadLocationException;

import javax.swing.text.Document;

        private String searchText = "";

        private final HighlightingTypeNameFormatter typeNameFormatter;

            //TODO: get caseSensitive mode and init the highlighter

            boolean caseSensitive=false;

            this.typeNameFormatter = new HighlightingTypeNameFormatter(fgColor, bgColor, caseSensitive);

        @Override

        public void insertUpdate(DocumentEvent e) {

            changedUpdate(e);

        }

        @Override

        public void removeUpdate(DocumentEvent e) {

            changedUpdate(e);

        }

        @Override

        public void changedUpdate(DocumentEvent e) {

            try {

                String text = e.getDocument().getText(0, e.getDocument().getLength());

                searchText = text;

            } catch (BadLocationException ex) {

                searchText = "";

            }

        }

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2012 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s): markiewb@netbeans.org

 *

 * Portions Copyrighted 2012 Sun Microsystems, Inc.

 */

package org.netbeans.modules.jumpto.type;

import java.awt.Color;

import java.util.Arrays;

import java.util.BitSet;

import java.util.List;

/**

 * Highlight the match of text patterns. The matching parts will be placed 

 * within HTML-tags, so it can be used easily within the Swing UI.

 * @author markiewb

 */

class HighlightingTypeNameFormatter {

    private static final String FORMATPATTERN = "<span style=\"background-color:%s; font-weight:bold; color:%s\">%s</span>";

    private final boolean caseSensitive;

    private String formatPattern;

    HighlightingTypeNameFormatter(Color bgColor, Color fgColor, boolean caseSensitive) {

        String bgColorHighlight = Integer.toHexString(bgColor.getRGB()).substring(2);

        String fgColorHighlight = Integer.toHexString(fgColor.getRGB()).substring(2);

        formatPattern = String.format(FORMATPATTERN, bgColorHighlight, fgColorHighlight, "%s");

        this.caseSensitive = caseSensitive;

    }

    List<String> splitByCamelCaseAndWildcards(String searchText) {

        //AbcDeFGhiJo -> [Abc, De, F, Ghi, Jo]

        StringBuilder sb = new StringBuilder(searchText.length());

        for (char c : searchText.toCharArray()) {

            if (Character.isUpperCase(c)) {

                //add magic split marker into text before the uppercase char

                //example: AbcDeFGhiJo -> &Abc&De&F&Ghi&Jo

                sb.append("&");

                sb.append(c);

            } else {

                sb.append(c);

            }

        }

        //split by camelcase (using the split marker) or the wildcards *,?

        String[] split = sb.toString().split("[&|\\*|\\?]");

        return Arrays.asList(split);

    }

    public String formatTypeName(String typeName, String textToFind) {

        if (null == textToFind || "".equals(textToFind)) {

            return typeName;

        }

        BitSet bitSet = new BitSet(typeName.length());

        List<String> parts = splitByCamelCaseAndWildcards(textToFind);

        String convertedTypeName = caseSensitive ? typeName : typeName.toLowerCase();

        //mark the chars to be highlighted

        int startIndex = 0;

        for (String camelCasePart : parts) {

            int indexOf = convertedTypeName.indexOf(caseSensitive ? camelCasePart : camelCasePart.toLowerCase(), startIndex);

            if (indexOf != -1) {

                //mark the chars 

                bitSet.set(indexOf, indexOf + camelCasePart.length(), true);

            } else {

                break;

            }

            startIndex = indexOf + camelCasePart.length();

        }

        //highlight the marked chars via  tags

        StringBuilder formattedTypeName = new StringBuilder();

        int i = 0;

        while (i < typeName.toCharArray().length) {

            boolean isMarked = bitSet.get(i);

            if (isMarked) {

                int numberOfContinuousHighlights = bitSet.nextClearBit(i) - i;

                String part = typeName.substring(i, i + numberOfContinuousHighlights);

                formattedTypeName.append(String.format(formatPattern, part));

                i += numberOfContinuousHighlights;

            } else {

                formattedTypeName.append(typeName.charAt(i));

                i++;

            }

        }

        return formattedTypeName.toString();

    }

    /**

     * Allow to inject a pattern, so it can be tested easier.

     * @param pattern 

     */

    void setFormatPattern(String pattern) {

        this.formatPattern = pattern;

    }

}

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2012 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s):

 *   markiewb@netbeans.org

 *

 * Portions Copyrighted 2012 Sun Microsystems, Inc.

 */

package org.netbeans.modules.jumpto.type;

import java.awt.Color;

import java.util.List;

import org.junit.Test;

import static org.junit.Assert.*;

import org.junit.Before;

/**

 * Tests if the pattern will be highlighted the correct way.

 * @author markiewb

 */

public class HighlightingTypeNameFormatterTest {

    private Color fg = Color.WHITE;

    private Color bg = Color.BLACK;

    private HighlightingTypeNameFormatter cut;

    @Before

    public void before() {

        cut = new HighlightingTypeNameFormatter(fg, bg, true);

        cut.setFormatPattern("[%s]");

    }

    @Test

    public void testFormatTypeName_CamelCase() {

        String typeName = "AbstractDummyBarTest";

        assertEquals("[AbstractDummyBarTest]", cut.formatTypeName(typeName, "AbstractDummyBarTest"));

        assertEquals("[Abstra]ct[D]ummy[B]arTest", cut.formatTypeName(typeName, "AbstraDB"));

        assertEquals("[A]bstract[Dum]my[B]arTest", cut.formatTypeName(typeName, "ADumB"));

        assertEquals("[A]bstract[D]ummy[Ba]rTest", cut.formatTypeName(typeName, "ADBa"));

        assertEquals("[A]bstract[D]ummy[B]ar[Test]", cut.formatTypeName(typeName, "ADBTest"));

        assertEquals("[Ab]stract[Du]mmy[B]ar[Test]", cut.formatTypeName(typeName, "AbDuBTest"));

    }

    @Test

    public void testFormatTypeName_NullOrEmpty() {

        String typeName = "AbstractDummyBarTest";

        assertEquals("AbstractDummyBarTest", cut.formatTypeName(typeName, null));

        assertEquals("AbstractDummyBarTest", cut.formatTypeName(typeName, ""));

    }

    @Test

    public void testFormatTypeName_Wildcard_CaseSensitive() {

        cut = new HighlightingTypeNameFormatter(fg, bg, true);

        cut.setFormatPattern("[%s]");

        String typeName = "AbstractDummyBarTest";

        assertEquals("[A]bstractDummyBar[Test]", cut.formatTypeName(typeName, "A*Test"));

        assertEquals("[A]bstractDummy[B]ar[Test]", cut.formatTypeName(typeName, "A*B*Test"));

        assertEquals("[A]bstractDummy[BarTest]", cut.formatTypeName(typeName, "A*Bar*Test"));

    }

    @Test

    public void testFormatTypeName_Wildcard_CaseInSensitive() {

        cut = new HighlightingTypeNameFormatter(fg, bg, false);

        cut.setFormatPattern("[%s]");

        String typeName = "AbstractDummyBarTest";

        assertEquals("[A]bstractDummyBar[Test]", cut.formatTypeName(typeName, "A*Test"));

        assertEquals("[Ab]stractDummyBar[Test]", cut.formatTypeName(typeName, "A*B*Test"));

        assertEquals("[A]bstractDummy[BarTest]", cut.formatTypeName(typeName, "A*Bar*Test"));

    }

    @Test

    public void testFormatTypeName_FullFormat() {

        cut = new HighlightingTypeNameFormatter(fg, bg, false);

        String typeName = "AbstractDummyBarTest";

        assertEquals("<span style=\"background-color:ffffff; font-weight:bold; color:000000\">A</span>bstract<span style=\"background-color:ffffff; font-weight:bold; color:000000\">D</span>ummy<span style=\"background-color:ffffff; font-weight:bold; color:000000\">B</span>ar<span style=\"background-color:ffffff; font-weight:bold; color:000000\">Test</span>", cut.formatTypeName(typeName, "ADBTest"));

    }

}