bobbylight / rsyntaxtextarea Goto Github PK

public class CodeHighlightTest
{
    public static void main ( String[] args )
    {
        final RSyntaxTextArea area = new RSyntaxTextArea ();
        area.setMargin ( new Insets ( 10, 10, 10, 10 ) );
        area.setSyntaxEditingStyle ( SyntaxConstants.SYNTAX_STYLE_JAVA );
        area.setText ( "boolean v = getTitle().equals(\"test\");" );

        final RTextScrollPane scrollPane = new RTextScrollPane ( area );

        final JFrame frame = new JFrame ( "Test" );
        frame.add ( scrollPane );
        frame.setSize ( 400, 100 );
        frame.setLocationRelativeTo ( null );
        frame.setDefaultCloseOperation ( WindowConstants.EXIT_ON_CLOSE );
        frame.setVisible ( true );
    }
}

setMarginLineColor(new Color(248,248,248)); 

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import org.fife.ui.rsyntaxtextarea.ErrorStrip;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.fife.ui.rtextarea.SearchContext;
import org.fife.ui.rtextarea.SearchEngine;
import org.fife.ui.rtextarea.SearchResult;

public class RSTAEmptySearchTerm extends JFrame {

    private RTextScrollPane rtscpMain;
    private RSyntaxTextArea rstaMain;
    private JButton button;
    private ErrorStrip strip;

    public RSTAEmptySearchTerm() {
        setLayout(new BorderLayout());
        rstaMain = new RSyntaxTextArea();

        rstaMain.setTabSize(2);
        rstaMain.setTabsEmulated(true);
        rstaMain.setAntiAliasingEnabled(true);

        rtscpMain = new RTextScrollPane(rstaMain);
        add(rtscpMain);

        strip = new ErrorStrip(rstaMain);
        add(strip, BorderLayout.EAST);

        String content = 
"RSyntaxTextArea is a customizable, syntax highlighting text component for\n"
+ "Java Swing applications. Out of the box, it supports syntax highlighting\n"
+ "for over 30 programming languages, code folding, search and replace, and\n"
+ "has add-on libraries for code completion and spell checking. Syntax\n"
+ "highlighting for additional languages can be added via tools such as JFlex."
+ "\n\n"
+ "RSyntaxTextArea is available under a modified BSD license. For more\n"
+ "information, visit http://fifesoft.com/rsyntaxtextarea.";
        rstaMain.setText(content);

        {
            // a pre-existing search
            SearchContext context = new SearchContext();
            context.setMatchCase(false);
            context.setMarkAll(true);
            context.setSearchFor("box");
            context.setWholeWord(false);
            SearchResult result = SearchEngine.find(rstaMain, context);
            if (!result.wasFound()) {
                rstaMain.setCaretPosition(0);
                SearchEngine.find(rstaMain, context);
            }
        }

        final String what = ""; // empty
        button = new JButton(
                "Find \"" + what + "\".");
        add(button, BorderLayout.PAGE_END);
        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                // new search
                SearchContext context = new SearchContext();
                context.setMatchCase(false);
                context.setMarkAll(true);
                context.setSearchFor(what);
                context.setWholeWord(false);
                SearchResult result = SearchEngine.find(rstaMain, context);
                if (!result.wasFound()) {
                    rstaMain.setCaretPosition(0);
                    SearchEngine.find(rstaMain, context);
                }
            }
        });

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(600, 410);
        setLocationRelativeTo(null);

        rstaMain.setCaretPosition(0);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new RSTAEmptySearchTerm().setVisible(true);
            }
        });
    }

}

final RSyntaxTextArea source = new RSyntaxTextArea ();
source.setSyntaxEditingStyle ( SyntaxConstants.SYNTAX_STYLE_JAVA );
source.setEditable ( false );
source.setMargin ( new Insets ( 0, 5, 0, 0 ) );
source.setAntiAliasingEnabled ( true );
source.setUseFocusableTips ( true );
source.setTabSize ( 4 );
source.setCodeFoldingEnabled ( true );
source.setPaintTabLines ( false );
source.setWhitespaceVisible ( false );
source.setEOLMarkersVisible ( false );
( ( RSyntaxTextAreaHighlighter ) source.getHighlighter () ).setDrawsLayeredHighlights ( false );

final RTextScrollPane sourceScroll = new RTextScrollPane ( source );
sourceScroll.setVerticalScrollBarPolicy ( WebScrollPane.VERTICAL_SCROLLBAR_ALWAYS );

package com.alee.extended.window;

import com.alee.laf.label.WebLabel;
import com.alee.laf.panel.WebPanel;
import com.alee.laf.progressbar.WebProgressBar;
import com.alee.laf.rootpane.WebDialog;
import com.alee.utils.SwingUtils;

import javax.swing.*;
import java.awt.*;

/**
 * User: mgarin Date: 14.02.12 Time: 12:08
 * <p>
 * This class provides a quick way to display a progress dialog anywhere you need it and change the progress values without any additional
 * efforts like working with Swing thread to update progress
 */

public class WebProgressDialog extends WebDialog
{
    private int preferredProgressWidth = 0;
    private boolean shownOnce = false;

    private WebPanel container;
    private WebLabel titleText;
    private Component middleComponent = null;
    private WebProgressBar progressBar;

    public WebProgressDialog ( String title )
    {
        this ( null, title );
    }

    public WebProgressDialog ( Window owner, String title )
    {
        super ( owner, title );
        setLayout ( new BorderLayout () );

        container = new WebPanel ( new BorderLayout ( 5, 5 ) );
        container.setMargin ( 10, 10, 10, 10 );
        container.setOpaque ( false );
        add ( container, BorderLayout.CENTER );

        // Creating label with single space to hold label height on pack
        titleText = new WebLabel ( " ", WebLabel.CENTER )
        {
            @Override
            public Dimension getPreferredSize ()
            {
                Dimension ps = super.getPreferredSize ();
                ps.width = 0;
                return ps;
            }
        };
        titleText.setDrawShade ( true );
        container.add ( titleText, BorderLayout.NORTH );

        // Default progress bar
        progressBar = new WebProgressBar ( WebProgressBar.HORIZONTAL, 0, 100 )
        {
            @Override
            public Dimension getPreferredSize ()
            {
                Dimension ps = super.getPreferredSize ();
                if ( preferredProgressWidth > 0 )
                {
                    ps.width = preferredProgressWidth;
                }
                return ps;
            }
        };
        progressBar.setStringPainted ( true );
        container.add ( progressBar, BorderLayout.SOUTH );

        setDefaultCloseOperation ( JDialog.DISPOSE_ON_CLOSE );
        setResizable ( false );
        setModal ( false );

        updateBounds ();
        setLocationRelativeTo ( owner );
    }

    public void setText ( final String text )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                titleText.setText ( text );
            }
        } );
    }

    public String getText ()
    {
        return titleText.getText ();
    }

    public void setProgressText ( final String progressText )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setString ( progressText );
            }
        } );
    }

    public String getProgressText ()
    {
        return progressBar.getString ();
    }

    public void setShowProgressText ( final boolean showProgressText )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setStringPainted ( showProgressText );
                updateBounds ();
            }
        } );
    }

    public boolean isShowProgressText ()
    {
        return progressBar.isStringPainted ();
    }

    public void setIndeterminate ( final boolean indeterminate )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setIndeterminate ( indeterminate );
            }
        } );
    }

    public boolean isIndeterminate ()
    {
        return progressBar.isIndeterminate ();
    }

    public void setMinimum ( final int minimum )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setMinimum ( minimum );
            }
        } );
    }

    public int getMinimum ()
    {
        return progressBar.getMinimum ();
    }

    public void setMaximum ( final int maximum )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setMaximum ( maximum );
            }
        } );
    }

    public int getMaximum ()
    {
        return progressBar.getMaximum ();
    }

    public void setProgress ( final int progress )
    {
        SwingUtils.invokeLater ( new Runnable ()
        {
            @Override
            public void run ()
            {
                progressBar.setValue ( progress );
            }
        } );
    }

    public int getPreferredProgressWidth ()
    {
        return preferredProgressWidth;
    }

    public void setPreferredProgressWidth ( int preferredProgressWidth )
    {
        this.preferredProgressWidth = preferredProgressWidth;
        updateBounds ();
    }

    public int getProgress ()
    {
        return progressBar.getValue ();
    }

    public WebLabel getTitleLabel ()
    {
        return titleText;
    }

    public Component getMiddleComponent ()
    {
        return middleComponent;
    }

    public void setMiddleComponent ( Component middleComponent )
    {
        if ( this.middleComponent != null )
        {
            container.remove ( middleComponent );
        }
        this.middleComponent = middleComponent;
        container.add ( middleComponent, BorderLayout.CENTER );
        container.revalidate ();
        updateBounds ();
    }

    public WebProgressBar getProgressBar ()
    {
        return progressBar;
    }

    public void setShowProgressBar ( boolean showProgressBar )
    {
        if ( showProgressBar )
        {
            if ( progressBar.getParent () != container )
            {
                container.add ( progressBar, BorderLayout.SOUTH );
                container.revalidate ();
                updateBounds ();
            }
        }
        else
        {
            if ( progressBar.getParent () == container )
            {
                container.remove ( progressBar );
                container.revalidate ();
                updateBounds ();
            }
        }
    }

    private void updateBounds ()
    {
        pack ();
        if ( !shownOnce )
        {
            setLocationRelativeTo ( getOwner () );
        }
    }

    @Override
    public void setVisible ( boolean b )
    {
        if ( b )
        {
            shownOnce = true;
        }
        super.setVisible ( b );
    }
}

import java.awt.BorderLayout;
import java.io.IOException;
import java.io.StringReader;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import org.fife.ui.rsyntaxtextarea.RSyntaxDocument;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.modes.JavaTokenMaker;
import org.fife.ui.rtextarea.RTextScrollPane;

public class RSTASlidingMLCCaret  extends JFrame {

    private RTextScrollPane rtscpMain;
    private RSyntaxTextArea rstaMain;

    public RSTASlidingMLCCaret() throws IOException {
        setLayout(new BorderLayout());
        rstaMain = new RSyntaxTextArea();

        // set an AbstractJFlexCTokenMaker instance
        RSyntaxDocument document = (RSyntaxDocument) rstaMain.getDocument();
        document.setSyntaxStyle(new JavaTokenMaker());

        String content;
        content = "/*\n * \n */";
        //               ^ note whitespace here
        StringReader reader = new StringReader(content);
        rstaMain.read(reader, reader);
        rstaMain.discardAllEdits();
        rstaMain.setCaretPosition(5); // just before that space

        rtscpMain = new RTextScrollPane(rstaMain);
        add(rtscpMain);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(300, 400);
        setTitle("Hit Enter Repeatedly");
        setLocationRelativeTo(null);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                try {
                    new RSTASlidingMLCCaret().setVisible(true);
                } catch (IOException ex) {
                    ex.printStackTrace();
                }
            }
        });
    }    
}

RSyntaxTextArea textArea = new RSyntaxTextArea(); // Any other constructor
textArea.setText(text);

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import org.fife.ui.rsyntaxtextarea.ErrorStrip;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.fife.ui.rtextarea.SearchContext;
import org.fife.ui.rtextarea.SearchEngine;
import org.fife.ui.rtextarea.SearchResult;

public class RSTARegexMarkAll extends JFrame {

    private RTextScrollPane rtscpMain;
    private RSyntaxTextArea rstaMain;
    private JButton replace;
    private ErrorStrip strip;

    public RSTARegexMarkAll() {
        setLayout(new BorderLayout());
        rstaMain = new RSyntaxTextArea();

        rstaMain.setTabSize(2);
        rstaMain.setTabsEmulated(true);
        rstaMain.setAntiAliasingEnabled(true);

        rtscpMain = new RTextScrollPane(rstaMain);
        add(rtscpMain);

        strip = new ErrorStrip(rstaMain);
        add(strip, BorderLayout.EAST);

        String content = 
"RSyntaxTextArea is a customizable, syntax highlighting text component for\n"
+ "Java Swing applications. Out of the box, it supports syntax highlighting\n"
+ "for over 30 programming languages, code folding, search and replace, and\n"
+ "has add-on libraries for code completion and spell checking. Syntax\n"
+ "highlighting for additional languages can be added via tools such as JFlex."
+ "\n\n"
+ "RSyntaxTextArea is available under a modified BSD license. For more\n"
+ "information, visit http://fifesoft.com/rsyntaxtextarea.";
        rstaMain.setText(content);

        final String what = "[box]{3}|";
        replace = new JButton(
                "Find \"" + what + "\" (regex).");
        add(replace, BorderLayout.PAGE_END);
        replace.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                SearchContext context = new SearchContext();
                context.setMatchCase(false);
                context.setMarkAll(true);
                context.setRegularExpression(true);
                context.setSearchFor(what);
                context.setWholeWord(false);
                SearchResult result = SearchEngine.find(rstaMain, context);
                if (!result.wasFound()) {
                    rstaMain.setCaretPosition(0);
                    SearchEngine.find(rstaMain, context);
                }
            }
        });

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(600, 410);
        setLocationRelativeTo(null);

        rstaMain.setCaretPosition(0);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new RSTARegexMarkAll().setVisible(true);
            }
        });
    }

}

editor.setLinkGenerator ( new LinkGenerator ()
{
    @Override
    public LinkGeneratorResult isLinkAtOffset ( final RSyntaxTextArea rSyntaxTextArea, final int i )
    {
        return new LinkGeneratorResult ()
        {
            @Override
            public HyperlinkEvent execute ()
            {
                // Some execution here 
                return new HyperlinkEvent ( this, HyperlinkEvent.EventType.EXITED, null );
            }

            @Override
            public int getSourceOffset ()
            {
                // Link beginning offset
                return 0;
            }
        };
    }
} );

editor.setLinkGenerator ( new LinkGenerator ()
{
    @Override
    public LinkGeneratorResult isLinkAtOffset ( final RSyntaxTextArea rSyntaxTextArea, final int i )
    {
        return new LinkGeneratorResult ()
        {
            ...

            @Override
            public int getSourceLength ()
            {
                // Link length
                return 0;
            }
        };
    }
} );

   one
   one

alloc.y -= host.getMargin().top;

CodeTemplateManager ctm = RSyntaxTextArea.getCodeTemplateManager();
//Replace the default keystroke "CTRL+SHIFIT_SPACE" with "ALT + SLASH"
ctm.setInsertTrigger(KeyStroke.getKeyStroke(KeyEvent.VK_SLASH,
InputEvent.ALT_DOWN_MASK));

import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rtextarea.RTextScrollPane;

public class RSTAWhitespace extends JFrame {

    private RTextScrollPane rtscpMain;
    private RSyntaxTextArea rstaMain;

    public RSTAWhitespace() {
        setLayout(new BorderLayout());
        rstaMain = new RSyntaxTextArea(
                "Some sample text\nwith newline and\t\t        spaces");
        rstaMain.setWhitespaceVisible(true);
        rtscpMain = new RTextScrollPane(rstaMain);
        add(rtscpMain);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(300, 400);
        setLocationRelativeTo(null);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new RSTAWhitespace().setVisible(true);
            }
        });
    }

}

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 5
    at org.fife.ui.rsyntaxtextarea.VisibleWhitespaceTokenPainter.paintImpl(VisibleWhitespaceTokenPainter.java:83)
    at org.fife.ui.rsyntaxtextarea.DefaultTokenPainter.paint(DefaultTokenPainter.java:58)
    at org.fife.ui.rsyntaxtextarea.SyntaxView.drawLine(SyntaxView.java:178)
    at org.fife.ui.rsyntaxtextarea.SyntaxView.paint(SyntaxView.java:722)
    at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:1434)
    at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:737)
    at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:881)
    at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:860)
    at org.fife.ui.rtextarea.RTextAreaBase.paintComponent(RTextAreaBase.java:702)
    at org.fife.ui.rsyntaxtextarea.RSyntaxTextArea.paintComponent(RSyntaxTextArea.java:1926)
    at javax.swing.JComponent.paint(JComponent.java:1054)
    at javax.swing.JComponent.paintToOffscreen(JComponent.java:5221)
    at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1512)
    at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1443)
    at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:311)
    at javax.swing.RepaintManager.paint(RepaintManager.java:1236)
    at javax.swing.JComponent._paintImmediately(JComponent.java:5169)
    at javax.swing.JComponent.paintImmediately(JComponent.java:4980)
    at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
    at javax.swing.RepaintManager$3.run(RepaintManager.java:784)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:784)
    at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:757)
    at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:706)
    at javax.swing.RepaintManager.access$1000(RepaintManager.java:62)
    at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1651)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:727)
    at java.awt.EventQueue.access$200(EventQueue.java:103)
    at java.awt.EventQueue$3.run(EventQueue.java:688)
    at java.awt.EventQueue$3.run(EventQueue.java:686)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:697)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

public class CodeHighlightTest
{
    public static void main ( String[] args )
    {
        final RSyntaxTextArea area = new RSyntaxTextArea ();
        area.setEditable ( false );
        area.setMargin ( new Insets ( 5, 5, 5, 5 ) );
        area.setSyntaxEditingStyle ( SyntaxConstants.SYNTAX_STYLE_JAVA );
        area.setText ( "boolean v = getTitle().equals(\"test\");" );

        area.setLinkScanningMask ( KeyEvent.SHIFT_MASK );
        area.setHyperlinksEnabled ( true );
        area.setLinkGenerator ( new CodeLinkGenerator () );

        final RTextScrollPane scrollPane = new RTextScrollPane ( area );

        final JFrame frame = new JFrame ( "Test" );
        frame.add ( scrollPane );
        frame.setSize ( 400, 100 );
        frame.setLocationRelativeTo ( null );
        frame.setDefaultCloseOperation ( WindowConstants.EXIT_ON_CLOSE );
        frame.setVisible ( true );
    }

    public static class CodeLinkGenerator implements LinkGenerator
    {
        /**
         * Separators used to determine words in text.
         */
        private static final java.util.List<String> textSeparators =
                Arrays.asList ( " ", ".", ",", ":", ";", "/", "\\", "\n", "\t", "|", "{", "}", "[", "]", "(", ")", "<", ">", "-", "+", "\"",
                        "'", "*", "%", "$", "#", "@", "!", "~", "^", "&", "?" );

        /**
         * Cached link generation results.
         */
        private Map<Dimension, LinkGeneratorResult> results = new HashMap<Dimension, LinkGeneratorResult> ();

        @Override
        public LinkGeneratorResult isLinkAtOffset ( RSyntaxTextArea source, final int pos )
        {
            final String code = source.getText ();
            final int wordStart = getWordStart ( code, pos );
            final int wordEnd = getWordEnd ( code, pos );
            final String word = code.substring ( wordStart, wordEnd );
            final Dimension key = new Dimension ( wordStart, wordEnd );

            final LinkGeneratorResult value;
            if ( results.containsKey ( key ) )
            {
                value = results.get ( key );
            }
            else
            {
                if ( word != null )
                {
                    System.out.println ( "Generated" );
                    value = new LinkGeneratorResult ()
                    {
                        @Override
                        public HyperlinkEvent execute ()
                        {
                            System.out.println ( "Executed" );
                            return new HyperlinkEvent ( this, HyperlinkEvent.EventType.EXITED, null );
                        }

                        @Override
                        public int getSourceOffset ()
                        {
                            return pos;
                        }
                    };
                }
                else
                {
                    value = null;
                }
                results.put ( key, value );
            }
            return value;
        }

        /**
         * Returns a word start index at the specified location.
         *
         * @param text     text to retrieve the word start index from
         * @param location word location
         * @return word start index
         */
        public static int getWordStart ( final String text, final int location )
        {
            int wordStart = location;
            while ( wordStart > 0 && !textSeparators.contains ( text.substring ( wordStart - 1, wordStart ) ) )
            {
                wordStart--;
            }
            return wordStart;
        }

        /**
         * Returns a word end index at the specified location.
         *
         * @param text     text to retrieve the word end index from
         * @param location word location
         * @return word end index
         */
        public static int getWordEnd ( final String text, final int location )
        {
            int wordEnd = location;
            while ( wordEnd < text.length () - 1 && !textSeparators.contains ( text.substring ( wordEnd, wordEnd + 1 ) ) )
            {
                wordEnd++;
            }
            return wordEnd;
        }
    }
}

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.fife.ui.rtextarea.SearchContext;
import org.fife.ui.rtextarea.SearchEngine;

public class RSTAReplaceAllXML extends JFrame {
    private RTextScrollPane rtscpMain;
    private RSyntaxTextArea rstaMain;
    private JButton replace;

    public RSTAReplaceAllXML() {
        setLayout(new BorderLayout());
        rstaMain = new RSyntaxTextArea();

        rstaMain.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_XML);
        rstaMain.setTabSize(2);
        rstaMain.setTabsEmulated(true);
        rstaMain.setAntiAliasingEnabled(true);

        rtscpMain = new RTextScrollPane(rstaMain);
        add(rtscpMain);

        String content = 
"<?xml version=\"1.0\"?>\n" +
"<catalog>\n" +
"   <book id=\"bk101\">\n" +
"      <author>Gambardella, Matthew</author>\n" +
"      <title>XML Developer's Guide</title>\n" +
"      <genre>Computer</genre>\n" +
"      <price>44.95</price>\n" +
"      <publish_date>2000-10-01</publish_date>\n" +
"      <description>An in-depth look at creating applications \n" +
"      with XML.</description>\n" +
"   </book>\n" +
"   <book id=\"bk102\">\n" +
"      <author>Ralls, Kim</author>\n" +
"      <title>Midnight Rain</title>\n" +
"      <genre>Fantasy</genre>\n" +
"      <price>5.95</price>\n" +
"      <publish_date>2000-12-16</publish_date>\n" +
"      <description>A former architect battles corporate zombies, \n" +
"      an evil sorceress, and her own childhood to become queen \n" +
"      of the world.</description>\n" +
"   </book>\n" +
"</catalog>";
        rstaMain.setText(content);

        final String what = "author";
        final String with = "author1";
        replace = new JButton("Replace all \"" + what + "\" with \"" + with + "\".");
        add(replace, BorderLayout.PAGE_END);
        replace.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                SearchContext context = new SearchContext();
                context.setSearchFor(what);
                context.setReplaceWith(with);
                SearchEngine.replaceAll(rstaMain, context);
            }
        });

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(600, 410);
        setLocationRelativeTo(null);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new RSTAReplaceAllXML().setVisible(true);
            }
        });
    }
}