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// StanfordLexicalizedParser -- a probabilistic lexicalized NL CFG parser
// Copyright (c) 2002, 2003, 2004, 2005 The Board of Trustees of
// The Leland Stanford Junior University. All Rights Reserved.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// For more information, bug reports, fixes, contact:
// Christopher Manning
// Dept of Computer Science, Gates 4A
// Stanford CA 94305-9040
// USA
// [email protected]
// http://nlp.stanford.edu/downloads/lex-parser.shtml
package edu.stanford.nlp.parser.ui;
import edu.stanford.nlp.io.ui.OpenPageDialog;
import edu.stanford.nlp.ling.*;
import edu.stanford.nlp.parser.common.ParserQuery;
import edu.stanford.nlp.parser.lexparser.LexicalizedParser;
import edu.stanford.nlp.process.*;
import edu.stanford.nlp.swing.FontDetector;
import edu.stanford.nlp.trees.PennTreebankLanguagePack;
import edu.stanford.nlp.trees.Tree;
import edu.stanford.nlp.trees.TreebankLanguagePack;
import edu.stanford.nlp.trees.international.pennchinese.ChineseTreebankLanguagePack;
import edu.stanford.nlp.ui.JarFileChooser;
import javax.swing.*;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Provides a simple GUI Panel for Parsing. Allows a user to load a parser
* created using lexparser.LexicalizedParser, load a text data file or type
* in text, parse sentences within the input text, and view the resultant
* parse tree.
*
* @author Huy Nguyen ([email protected])
*/
public class ParserPanel extends JPanel {
/**
*
*/
private static final long serialVersionUID = -2118491857333662471L;
// constants for language specification
public static final int UNTOKENIZED_ENGLISH = 0;
public static final int TOKENIZED_CHINESE = 1;
public static final int UNTOKENIZED_CHINESE = 2;
private static TreebankLanguagePack tlp;
private String encoding = "UTF-8";
// one second in milliseconds
private static final int ONE_SECOND = 1000;
// parser takes approximately a minute to load
private static final int PARSER_LOAD_TIME = 60;
// parser takes 5-60 seconds to parse a sentence
private static final int PARSE_TIME = 30;
// constants for finding nearest sentence boundary
private static final int SEEK_FORWARD = 1;
private static final int SEEK_BACK = -1;
private final JFileChooser jfc;
private final JFileChooserLocation jfcLocation;
private final JarFileChooser chooseJarParser;
private OpenPageDialog pageDialog;
// for highlighting
private SimpleAttributeSet normalStyle, highlightStyle;
private int startIndex, endIndex;
private TreeJPanel treePanel;
private LexicalizedParser parser;
// worker threads to handle long operations
private LoadParserThread lpThread;
private ParseThread parseThread;
// to monitor progress of long operations
private javax.swing.Timer timer;
//private ProgressMonitor progressMonitor;
private int count; // progress count
// use glass pane to block input to components other than progressMonitor
private Component glassPane;
/** Whether to scroll one sentence forward after parsing. */
private boolean scrollWhenDone;
/**
* Creates new form ParserPanel
*/
public ParserPanel() {
initComponents();
// create dialogs for file selection
jfc = new JFileChooser(System.getProperty("user.dir"));
pageDialog = new OpenPageDialog(new Frame(), true);
pageDialog.setFileChooser(jfc);
jfcLocation = new JFileChooserLocation(jfc);
tlp = new PennTreebankLanguagePack();
encoding = tlp.getEncoding();
setFont();
// create a timer
timer = new javax.swing.Timer(ONE_SECOND, new TimerListener());
// for (un)highlighting text
highlightStyle = new SimpleAttributeSet();
normalStyle = new SimpleAttributeSet();
StyleConstants.setBackground(highlightStyle, Color.yellow);
StyleConstants.setBackground(normalStyle, textPane.getBackground());
this.chooseJarParser = new JarFileChooser(".*\\.ser\\.gz", this);
}
/**
* Scrolls back one sentence in the text
*/
public void scrollBack() {
highlightSentence(startIndex - 1);
// scroll to highlight location
textPane.setCaretPosition(startIndex);
}
/**
* Scrolls forward one sentence in the text
*/
public void scrollForward() {
highlightSentence(endIndex + 1);
// scroll to highlight location
textPane.setCaretPosition(startIndex);
}
/**
* Highlights specified text region by changing the character attributes
*/
private void highlightText(int start, int end, SimpleAttributeSet style) {
if (start < end) {
textPane.getStyledDocument().setCharacterAttributes(start, end - start + 1, style, false);
}
}
/**
* Finds the sentence delimited by the closest sentence delimiter preceding
* start and closest period following start.
*/
private void highlightSentence(int start) {
highlightSentence(start, -1);
}
/**
* Finds the sentence delimited by the closest sentence delimiter preceding
* start and closest period following end. If end is less than start
* (or -1), sets right boundary as closest period following start.
* Actually starts search for preceding sentence delimiter at (start-1)
*/
private void highlightSentence(int start, int end) {
// clears highlight. paints over entire document because the document may have changed
highlightText(0, textPane.getText().length(), normalStyle);
// if start<1 set startIndex to 0, otherwise set to index following closest preceding period
startIndex = (start < 1) ? 0 : nearestDelimiter(textPane.getText(), start, SEEK_BACK) + 1;
// if endseekDir
* is SEEK_FORWARD, finds the nearest delimiter after start. Else, if it is
* SEEK_BACK, finds the nearest delimiter before start.
*/
private int nearestDelimiter(String text, int start, int seekDir) {
if (seekDir != SEEK_BACK && seekDir != SEEK_FORWARD) {
throw new IllegalArgumentException("Unknown seek direction " +
seekDir);
}
StringReader reader = new StringReader(text);
DocumentPreprocessor processor = new DocumentPreprocessor(reader);
TokenizerFactory tf = tlp.getTokenizerFactory();
processor.setTokenizerFactory(tf);
List boundaries = new ArrayList<>();
for (List sentence : processor) {
if (sentence.size() == 0)
continue;
if (!(sentence.get(0) instanceof HasOffset)) {
throw new ClassCastException("Expected HasOffsets from the " +
"DocumentPreprocessor");
}
if (boundaries.size() == 0) {
boundaries.add(0);
} else {
HasOffset first = (HasOffset) sentence.get(0);
boundaries.add(first.beginPosition());
}
}
boundaries.add(text.length());
for (int i = 0; i < boundaries.size() - 1; ++i) {
if (boundaries.get(i) <= start && start < boundaries.get(i + 1)) {
if (seekDir == SEEK_BACK) {
return boundaries.get(i) - 1;
} else if (seekDir == SEEK_FORWARD) {
return boundaries.get(i + 1) - 1;
}
}
}
// The cursor position at the end is actually one past the text length.
// We might as well highlight the last interval in that case.
if (boundaries.size() >= 2 && start >= text.length()) {
if (seekDir == SEEK_BACK) {
return boundaries.get(boundaries.size() - 2) - 1;
} else if (seekDir == SEEK_FORWARD) {
return boundaries.get(boundaries.size() - 1) - 1;
}
}
return -1;
}
/**
* Highlights the sentence that is currently being selected by user
* (via mouse highlight)
*/
private void highlightSelectedSentence() {
highlightSentence(textPane.getSelectionStart(), textPane.getSelectionEnd());
}
/**
* Highlights the sentence that is currently being edited
*/
private void highlightEditedSentence() {
highlightSentence(textPane.getCaretPosition());
}
/**
* Sets the status text at the bottom of the ParserPanel.
*/
public void setStatus(String status) {
statusLabel.setText(status);
}
private void setFont() {
if (tlp instanceof ChineseTreebankLanguagePack) {
setChineseFont();
} else {
textPane.setFont(new Font("Sans Serif", Font.PLAIN, 14));
treePanel.setFont(new Font("Sans Serif", Font.PLAIN, 14));
}
}
private void setChineseFont() {
java.util.List fonts = FontDetector.supportedFonts(FontDetector.CHINESE);
if (fonts.size() > 0) {
Font font = new Font(fonts.get(0).getName(), Font.PLAIN, 14);
textPane.setFont(font);
treePanel.setFont(font);
System.err.println("Selected font " + font);
} else if (FontDetector.hasFont("Watanabe Mincho")) {
textPane.setFont(new Font("Watanabe Mincho", Font.PLAIN, 14));
treePanel.setFont(new Font("Watanabe Mincho", Font.PLAIN, 14));
} else {
textPane.setFont(new Font("Sans Serif", Font.PLAIN, 14));
treePanel.setFont(new Font("Sans Serif", Font.PLAIN, 14));
}
}
/**
* Tokenizes the highlighted text (using a tokenizer appropriate for the
* selected language, and initiates the ParseThread to parse the tokenized
* text.
*/
public void parse() {
if (textPane.getText().length() == 0) {
return;
}
// use endIndex+1 because substring subtracts 1
String text = textPane.getText().substring(startIndex, endIndex + 1).trim();
if (parser != null && text.length() > 0) {
//Tokenizer toke = tlp.getTokenizerFactory().getTokenizer(new CharArrayReader(text.toCharArray()));
Tokenizer toke = tlp.getTokenizerFactory().getTokenizer(new StringReader(text));
List wordList = toke.tokenize();
parseThread = new ParseThread(wordList);
parseThread.start();
startProgressMonitor("Parsing", PARSE_TIME);
}
}
/**
* Opens dialog to load a text data file
*/
public void loadFile() {
// centers dialog in panel
pageDialog.setLocation(getLocationOnScreen().x + (getWidth() - pageDialog.getWidth()) / 2, getLocationOnScreen().y + (getHeight() - pageDialog.getHeight()) / 2);
pageDialog.setVisible(true);
if (pageDialog.getStatus() == OpenPageDialog.APPROVE_OPTION) {
loadFile(pageDialog.getPage());
}
}
/**
* Loads a text or html file from a file path or URL. Treats anything
* beginning with http:\\,.htm, or .html as an
* html file, and strips all tags from the document
*/
public void loadFile(String filename) {
if (filename == null) {
return;
}
File file = new File(filename);
String urlOrFile = filename;
// if file can't be found locally, try prepending http:// and looking on web
if (!file.exists() && filename.indexOf("://") == -1) {
urlOrFile = "http://" + filename;
}
// else prepend file:// to handle local html file urls
else if (filename.indexOf("://") == -1) {
urlOrFile = "file://" + filename;
}
// TODO: why do any of this instead of just reading the file?
// Also, is this working correctly still?
// load the document
Document doc;
try {
if (urlOrFile.startsWith("http://") || urlOrFile.endsWith(".htm") || urlOrFile.endsWith(".html")) {
// strip tags from html documents
Document docPre = new BasicDocument<>().init(new URL(urlOrFile));
DocumentProcessor noTags = new StripTagsProcessor<>();
doc = noTags.processDocument(docPre);
} else {
doc = new BasicDocument<>(this.getTokenizerFactory()).init(new InputStreamReader(new FileInputStream(filename), encoding));
}
} catch (Exception e) {
JOptionPane.showMessageDialog(this, "Could not load file " + filename + "\n" + e, null, JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
setStatus("Error loading document");
return;
}
// load the document into the text pane
StringBuilder docStr = new StringBuilder();
for (Word aDoc : doc) {
if (docStr.length() > 0) {
docStr.append(' ');
}
docStr.append(aDoc.toString());
}
textPane.setText(docStr.toString());
dataFileLabel.setText(urlOrFile);
highlightSentence(0);
forwardButton.setEnabled(endIndex != textPane.getText().length() - 1);
// scroll to top of document
textPane.setCaretPosition(0);
setStatus("Done");
}
// TreebankLanguagePack returns a TokenizerFactory
// which isn't close enough in the type system, but is probably okay in practice
@SuppressWarnings("unchecked")
private TokenizerFactory getTokenizerFactory() {
return (TokenizerFactory)tlp.getTokenizerFactory();
}
/**
* Opens a dialog and saves the output of the parser on the current
* text. If there is no current text, yell at the user and make
* them feel bad instead.
*/
public void saveOutput() {
if (textPane.getText().trim().length() == 0) {
JOptionPane.showMessageDialog(this, "No text to parse ", null,
JOptionPane.ERROR_MESSAGE);
return;
}
jfc.setDialogTitle("Save file");
int status = jfc.showSaveDialog(this);
if (status == JFileChooser.APPROVE_OPTION) {
saveOutput(jfc.getSelectedFile().getPath());
}
}
/**
* Saves the results of applying the parser to the current text to
* the specified filename.
*/
public void saveOutput(String filename) {
if (filename == null || filename.equals("")) {
return;
}
String text = textPane.getText();
StringReader reader = new StringReader(text);
DocumentPreprocessor processor = new DocumentPreprocessor(reader);
TokenizerFactory tf = tlp.getTokenizerFactory();
processor.setTokenizerFactory(tf);
List> sentences = new ArrayList<>();
for (List sentence : processor) {
sentences.add(sentence);
}
JProgressBar progress = new JProgressBar(0, sentences.size());
JButton cancel = new javax.swing.JButton();
JDialog dialog = new JDialog(new Frame(), "Parser Progress", true);
dialog.setSize(300, 150);
dialog.add(BorderLayout.NORTH,
new JLabel("Parsing " + sentences.size() + " sentences"));
dialog.add(BorderLayout.CENTER, progress);
dialog.add(BorderLayout.SOUTH, cancel);
//dialog.add(progress);
final SaveOutputThread thread =
new SaveOutputThread(filename, progress, dialog, cancel, sentences);
cancel.setText("Cancel");
cancel.setToolTipText("Cancel");
cancel.addActionListener(evt -> thread.cancelled = true);
thread.start();
dialog.setVisible(true);
}
/**
* This class does the processing of the dialog box to a file. It
* also checks the cancelled variable after each processing to see
* if the user has chosen to cancel. After running, it changes the
* label on the "cancel" button, waits a couple seconds, and then
* hides whatever dialog was passed in when originally created.
*/
class SaveOutputThread extends Thread {
String filename;
JProgressBar progress;
JDialog dialog;
JButton button;
List> sentences;
boolean cancelled;
public SaveOutputThread(String filename, JProgressBar progress,
JDialog dialog, JButton button,
List> sentences) {
this.filename = filename;
this.progress = progress;
this.dialog = dialog;
this.button = button;
this.sentences = sentences;
}
public void run() {
int failures = 0;
try {
FileOutputStream fos = new FileOutputStream(filename);
OutputStreamWriter ow = new OutputStreamWriter(fos, "utf-8");
BufferedWriter bw = new BufferedWriter(ow);
for (List sentence : sentences) {
Tree tree = parser.parseTree(sentence);
if (tree == null) {
++failures;
System.err.println("Failed on sentence " + sentence);
} else {
bw.write(tree.toString());
bw.newLine();
}
progress.setValue(progress.getValue() + 1);
if (cancelled) {
break;
}
}
bw.flush();
bw.close();
ow.close();
fos.close();
} catch (IOException e) {
JOptionPane.showMessageDialog(ParserPanel.this, "Could not save file " + filename + "\n" + e, null, JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
setStatus("Error saving parsed document");
}
if (failures == 0) {
button.setText("Success!");
} else {
button.setText("Done. " + failures + " parses failed");
}
if (cancelled && failures == 0) {
dialog.setVisible(false);
} else {
button.addActionListener(evt -> dialog.setVisible(false));
}
}
static final int WAIT = 2000;
static final int CYCLE = 50;
}
/**
* Opens dialog to load a serialized parser
*/
public void loadParser() {
jfc.setDialogTitle("Load parser");
int status = jfc.showOpenDialog(this);
if (status == JFileChooser.APPROVE_OPTION) {
String filename = jfc.getSelectedFile().getPath();
if (filename.endsWith(".jar")) {
String model = chooseJarParser.show(filename, jfcLocation.location);
if (model != null) {
loadJarParser(filename, model);
}
} else {
loadParser(filename);
}
}
}
public void loadJarParser(String jarFile, String model) {
lpThread = new LoadParserThread(jarFile, model);
lpThread.start();
startProgressMonitor("Loading Parser", PARSER_LOAD_TIME);
}
/**
* Loads a serialized parser specified by given path
*/
public void loadParser(String filename) {
if (filename == null) {
return;
}
// check if file exists before we start the worker thread and progress monitor
File file = new File(filename);
if (file.exists()) {
lpThread = new LoadParserThread(filename);
lpThread.start();
startProgressMonitor("Loading Parser", PARSER_LOAD_TIME);
} else {
JOptionPane.showMessageDialog(this, "Could not find file " + filename, null, JOptionPane.ERROR_MESSAGE);
setStatus("Error loading parser");
}
}
/**
* Initializes the progress bar with the status text, and the expected
* number of seconds the process will take, and starts the timer.
*/
private void startProgressMonitor(String text, int maxCount) {
if (glassPane == null) {
if (getRootPane() != null) {
glassPane = getRootPane().getGlassPane();
glassPane.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent evt) {
Toolkit.getDefaultToolkit().beep();
}
});
}
}
if (glassPane != null) {
glassPane.setVisible(true); // block input to components
}
statusLabel.setText(text);
progressBar.setMaximum(maxCount);
progressBar.setValue(0);
count = 0;
timer.start();
progressBar.setVisible(true);
}
/**
* At the end of a task, shut down the progress monitor
*/
private void stopProgressMonitor() {
timer.stop();
/*if(progressMonitor!=null) {
progressMonitor.setProgress(progressMonitor.getMaximum());
progressMonitor.close();
}*/
progressBar.setVisible(false);
if (glassPane != null) {
glassPane.setVisible(false); // restore input to components
}
lpThread = null;
parseThread = null;
}
/**
* Worker thread for loading the parser. Loading a parser usually
* takes ~15s
*/
private class LoadParserThread extends Thread {
final String zipFilename;
final String filename;
LoadParserThread(String filename) {
this.filename = filename;
this.zipFilename = null;
}
LoadParserThread(String zipFilename, String filename) {
this.zipFilename = zipFilename;
this.filename = filename;
}
@Override
public void run() {
try {
if (zipFilename != null) {
parser = LexicalizedParser.loadModelFromZip(zipFilename, filename);
} else {
parser = LexicalizedParser.loadModel(filename);
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(ParserPanel.this, "Error loading parser: " + filename, null, JOptionPane.ERROR_MESSAGE);
setStatus("Error loading parser");
parser = null;
} catch (OutOfMemoryError e) {
JOptionPane.showMessageDialog(ParserPanel.this, "Could not load parser. Out of memory.", null, JOptionPane.ERROR_MESSAGE);
setStatus("Error loading parser");
parser = null;
}
stopProgressMonitor();
if (parser != null) {
setStatus("Loaded parser.");
parserFileLabel.setText("Parser: " + filename);
parseButton.setEnabled(true);
parseNextButton.setEnabled(true);
saveOutputButton.setEnabled(true);
tlp = parser.getOp().langpack();
encoding = tlp.getEncoding();
}
}
}
/**
* Worker thread for parsing. Parsing a sentence usually takes ~5-60 sec
*/
private class ParseThread extends Thread {
List sentence;
public ParseThread(List sentence) {
this.sentence = sentence;
}
@Override
public void run() {
boolean successful;
ParserQuery parserQuery = parser.parserQuery();
try {
successful = parserQuery.parse(sentence);
} catch (Exception e) {
stopProgressMonitor();
JOptionPane.showMessageDialog(ParserPanel.this, "Could not parse selected sentence\n(sentence probably too long)", null, JOptionPane.ERROR_MESSAGE);
setStatus("Error parsing");
return;
}
stopProgressMonitor();
setStatus("Done");
if (successful) {
// display the best parse
Tree tree = parserQuery.getBestParse();
//tree.pennPrint();
treePanel.setTree(tree);
clearButton.setEnabled(true);
} else {
JOptionPane.showMessageDialog(ParserPanel.this, "Could not parse selected sentence", null, JOptionPane.ERROR_MESSAGE);
setStatus("Error parsing");
treePanel.setTree(null);
clearButton.setEnabled(false);
}
if (scrollWhenDone) {
scrollForward();
}
}
}
private static class JFileChooserLocation implements AncestorListener {
Point location;
JFileChooser jfc;
JFileChooserLocation(JFileChooser jfc) {
this.jfc = jfc;
jfc.addAncestorListener(this);
}
public void ancestorAdded(AncestorEvent event) {
location = jfc.getTopLevelAncestor().getLocationOnScreen();
}
public void ancestorMoved(AncestorEvent event) {
location = jfc.getTopLevelAncestor().getLocationOnScreen();
}
public void ancestorRemoved(AncestorEvent event) { }
}
/**
* Simulates a timer to update the progress monitor
*/
private class TimerListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
//progressMonitor.setProgress(Math.min(count++,progressMonitor.getMaximum()-1));
progressBar.setValue(Math.min(count++, progressBar.getMaximum() - 1));
}
}
/**
* This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
private void initComponents()//GEN-BEGIN:initComponents
{
splitPane = new javax.swing.JSplitPane();
topPanel = new javax.swing.JPanel();
buttonsAndFilePanel = new javax.swing.JPanel();
loadButtonPanel = new javax.swing.JPanel();
loadFileButton = new javax.swing.JButton();
loadParserButton = new javax.swing.JButton();
saveOutputButton = new javax.swing.JButton();
buttonPanel = new javax.swing.JPanel();
backButton = new javax.swing.JButton();
if (getClass().getResource("/edu/stanford/nlp/parser/ui/leftarrow.gif") != null) {
backButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/edu/stanford/nlp/parser/ui/leftarrow.gif")));
} else {
backButton.setText("< Prev");
}
forwardButton = new javax.swing.JButton();
if (getClass().getResource("/edu/stanford/nlp/parser/ui/rightarrow.gif") != null) {
forwardButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/edu/stanford/nlp/parser/ui/rightarrow.gif")));
} else {
forwardButton.setText("Next >");
}
parseButton = new javax.swing.JButton();
parseNextButton = new javax.swing.JButton();
clearButton = new javax.swing.JButton();
dataFilePanel = new javax.swing.JPanel();
dataFileLabel = new javax.swing.JLabel();
textScrollPane = new javax.swing.JScrollPane();
textPane = new javax.swing.JTextPane();
treeContainer = new javax.swing.JPanel();
parserFilePanel = new javax.swing.JPanel();
parserFileLabel = new javax.swing.JLabel();
statusPanel = new javax.swing.JPanel();
statusLabel = new javax.swing.JLabel();
progressBar = new javax.swing.JProgressBar();
progressBar.setVisible(false);
setLayout(new java.awt.BorderLayout());
splitPane.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
topPanel.setLayout(new java.awt.BorderLayout());
buttonsAndFilePanel.setLayout(new javax.swing.BoxLayout(buttonsAndFilePanel, javax.swing.BoxLayout.Y_AXIS));
loadButtonPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
loadFileButton.setText("Load File");
loadFileButton.setToolTipText("Load a data file.");
loadFileButton.addActionListener(evt -> loadFileButtonActionPerformed(evt));
loadButtonPanel.add(loadFileButton);
loadParserButton.setText("Load Parser");
loadParserButton.setToolTipText("Load a serialized parser.");
loadParserButton.addActionListener(evt -> loadParserButtonActionPerformed(evt));
loadButtonPanel.add(loadParserButton);
saveOutputButton.setText("Save Output");
saveOutputButton.setToolTipText("Save the processed output.");
saveOutputButton.setEnabled(false);
saveOutputButton.addActionListener(evt -> saveOutputButtonActionPerformed(evt));
loadButtonPanel.add(saveOutputButton);
buttonsAndFilePanel.add(loadButtonPanel);
buttonPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
backButton.setToolTipText("Scroll backward one sentence.");
backButton.setEnabled(false);
backButton.addActionListener(evt -> backButtonActionPerformed(evt));
buttonPanel.add(backButton);
forwardButton.setToolTipText("Scroll forward one sentence.");
forwardButton.setEnabled(false);
forwardButton.addActionListener(evt -> forwardButtonActionPerformed(evt));
buttonPanel.add(forwardButton);
parseButton.setText("Parse");
parseButton.setToolTipText("Parse selected sentence.");
parseButton.setEnabled(false);
parseButton.addActionListener(evt -> parseButtonActionPerformed(evt));
buttonPanel.add(parseButton);
parseNextButton.setText("Parse >");
parseNextButton.setToolTipText("Parse selected sentence and then scrolls forward one sentence.");
parseNextButton.setEnabled(false);
parseNextButton.addActionListener(evt -> parseNextButtonActionPerformed(evt));
buttonPanel.add(parseNextButton);
clearButton.setText("Clear");
clearButton.setToolTipText("Clears parse tree.");
clearButton.setEnabled(false);
clearButton.addActionListener(evt -> clearButtonActionPerformed(evt));
buttonPanel.add(clearButton);
buttonsAndFilePanel.add(buttonPanel);
dataFilePanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
dataFilePanel.add(dataFileLabel);
buttonsAndFilePanel.add(dataFilePanel);
topPanel.add(buttonsAndFilePanel, java.awt.BorderLayout.NORTH);
textPane.setPreferredSize(new java.awt.Dimension(250, 250));
textPane.addFocusListener(new java.awt.event.FocusAdapter() {
@Override
public void focusLost(java.awt.event.FocusEvent evt) {
textPaneFocusLost(evt);
}
});
textPane.addMouseListener(new java.awt.event.MouseAdapter() {
@Override
public void mouseClicked(java.awt.event.MouseEvent evt) {
textPaneMouseClicked(evt);
}
});
textPane.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
@Override
public void mouseDragged(java.awt.event.MouseEvent evt) {
textPaneMouseDragged(evt);
}
});
textScrollPane.setViewportView(textPane);
topPanel.add(textScrollPane, java.awt.BorderLayout.CENTER);
splitPane.setLeftComponent(topPanel);
treeContainer.setLayout(new java.awt.BorderLayout());
treeContainer.setBackground(new java.awt.Color(255, 255, 255));
treeContainer.setBorder(new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.RAISED));
treeContainer.setForeground(new java.awt.Color(0, 0, 0));
treeContainer.setPreferredSize(new java.awt.Dimension(200, 200));
treePanel = new TreeJPanel();
treeContainer.add("Center", treePanel);
treePanel.setBackground(Color.white);
parserFilePanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
parserFilePanel.setBackground(new java.awt.Color(255, 255, 255));
parserFileLabel.setText("Parser: None");
parserFilePanel.add(parserFileLabel);
treeContainer.add(parserFilePanel, java.awt.BorderLayout.NORTH);
splitPane.setRightComponent(treeContainer);
add(splitPane, java.awt.BorderLayout.CENTER);
statusPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.LEFT));
statusLabel.setText("Ready");
statusPanel.add(statusLabel);
progressBar.setName("");
statusPanel.add(progressBar);
add(statusPanel, java.awt.BorderLayout.SOUTH);
//Roger -- test to see if I can get a bit of a fix with new font
}//GEN-END:initComponents
private void textPaneFocusLost(java.awt.event.FocusEvent evt)//GEN-FIRST:event_textPaneFocusLost
{//GEN-HEADEREND:event_textPaneFocusLost
// highlights the sentence containing the current location of the cursor
// note that the cursor is set to the beginning of the sentence when scrolling
highlightEditedSentence();
}//GEN-LAST:event_textPaneFocusLost
private void parseNextButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_parseNextButtonActionPerformed
{//GEN-HEADEREND:event_parseNextButtonActionPerformed
parse();
scrollWhenDone = true;
}//GEN-LAST:event_parseNextButtonActionPerformed
private void clearButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_clearButtonActionPerformed
{//GEN-HEADEREND:event_clearButtonActionPerformed
treePanel.setTree(null);
clearButton.setEnabled(false);
}//GEN-LAST:event_clearButtonActionPerformed
private void textPaneMouseDragged(java.awt.event.MouseEvent evt)//GEN-FIRST:event_textPaneMouseDragged
{//GEN-HEADEREND:event_textPaneMouseDragged
highlightSelectedSentence();
}//GEN-LAST:event_textPaneMouseDragged
private void textPaneMouseClicked(java.awt.event.MouseEvent evt)//GEN-FIRST:event_textPaneMouseClicked
{//GEN-HEADEREND:event_textPaneMouseClicked
highlightSelectedSentence();
}//GEN-LAST:event_textPaneMouseClicked
private void parseButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_parseButtonActionPerformed
{//GEN-HEADEREND:event_parseButtonActionPerformed
parse();
scrollWhenDone = false;
}//GEN-LAST:event_parseButtonActionPerformed
private void loadParserButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_loadParserButtonActionPerformed
{//GEN-HEADEREND:event_loadParserButtonActionPerformed
loadParser();
}//GEN-LAST:event_loadParserButtonActionPerformed
private void saveOutputButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_saveOutputButtonActionPerformed
{//GEN-HEADEREND:event_saveOutputButtonActionPerformed
saveOutput();
}//GEN-LAST:event_saveOutputButtonActionPerformed
private void loadFileButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_loadFileButtonActionPerformed
{//GEN-HEADEREND:event_loadFileButtonActionPerformed
loadFile();
}//GEN-LAST:event_loadFileButtonActionPerformed
private void backButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_backButtonActionPerformed
{//GEN-HEADEREND:event_backButtonActionPerformed
scrollBack();
}//GEN-LAST:event_backButtonActionPerformed
private void forwardButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_forwardButtonActionPerformed
{//GEN-HEADEREND:event_forwardButtonActionPerformed
scrollForward();
}//GEN-LAST:event_forwardButtonActionPerformed
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JLabel dataFileLabel;
private javax.swing.JPanel treeContainer;
private javax.swing.JPanel topPanel;
private javax.swing.JScrollPane textScrollPane;
private javax.swing.JButton backButton;
private javax.swing.JLabel statusLabel;
private javax.swing.JButton loadFileButton;
private javax.swing.JPanel loadButtonPanel;
private javax.swing.JPanel buttonsAndFilePanel;
private javax.swing.JButton parseButton;
private javax.swing.JButton parseNextButton;
private javax.swing.JButton forwardButton;
private javax.swing.JLabel parserFileLabel;
private javax.swing.JButton clearButton;
private javax.swing.JSplitPane splitPane;
private javax.swing.JPanel statusPanel;
private javax.swing.JPanel dataFilePanel;
private javax.swing.JPanel buttonPanel;
private javax.swing.JTextPane textPane;
private javax.swing.JProgressBar progressBar;
private javax.swing.JPanel parserFilePanel;
private javax.swing.JButton loadParserButton;
private javax.swing.JButton saveOutputButton;
// End of variables declaration//GEN-END:variables
}
