org.fife.ui.rsyntaxtextarea.TextFilePropertiesDialog Maven / Gradle / Ivy
/*
* 12/08/2004
*
* TextFilePropertiesDialog.java - Dialog allowing you to view/edit a
* text file's properties.
* Copyright (C) 2004 Robert Futrell
* robert_futrell at users.sourceforge.net
* http://fifesoft.com
*
* 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 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.
*/
package org.fife.ui.rsyntaxtextarea;
import java.awt.BorderLayout;
import java.awt.ComponentOrientation;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.nio.charset.Charset;
import java.text.BreakIterator;
import java.text.CharacterIterator;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SpringLayout;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.Segment;
import org.fife.ui.EscapableDialog;
import org.fife.ui.RButton;
import org.fife.ui.ResizableFrameContentPane;
import org.fife.ui.SpecialValueComboBox;
import org.fife.ui.UIUtil;
/**
* A dialog that displays the properties of an individual text file being
* edited by a {@link org.fife.ui.rsyntaxtextarea.TextEditorPane}. Some
* properties can be modified directly from this dialog.
*
* @author Robert Futrell
* @version 0.1
*/
public class TextFilePropertiesDialog extends EscapableDialog
implements ActionListener {
private static final long serialVersionUID = 1L;
public static final String TERM_CR = "\r";
public static final String TERM_LF = "\n";
public static final String TERM_CRLF = "\r\n";
public static final String TERM_SYSTEM = System.getProperty("line.separator");
private JLabel wordsCountLabel;
private SpecialValueComboBox terminatorCombo;
private JComboBox encodingCombo;
private RButton okButton;
private TextEditorPane textArea;
/**
* Constructor.
*
* @param parent The main application window.
* @param textArea The text area on which to report.
*/
public TextFilePropertiesDialog(Frame parent, TextEditorPane textArea) {
super(parent);
this.textArea = textArea;
ComponentOrientation o = ComponentOrientation.
getOrientation(getLocale());
ResourceBundle msg = ResourceBundle.getBundle(
"org.fife.ui.rsyntaxtextarea.TextFilePropertiesDialog");
setTitle(msg.getString("Title") + textArea.getFileName());
JPanel contentPane = new ResizableFrameContentPane(new BorderLayout());
contentPane.setBorder(UIUtil.getEmpty5Border());
// Where we actually add our content.
JPanel content2 = new JPanel();
content2.setLayout(new SpringLayout());
contentPane.add(content2, BorderLayout.NORTH);
JLabel filePathLabel = new JLabel(msg.getString("Path"));
JTextField filePathField = new JTextField(30);
filePathField.setText(textArea.getFileFullPath());
filePathField.setEditable(false);
filePathLabel.setLabelFor(filePathField);
JLabel linesLabel = new JLabel(msg.getString("Lines"));
JLabel linesCountLabel = new JLabel(
Integer.toString(textArea.getLineCount()));
JLabel charsLabel = new JLabel(msg.getString("Characters"));
JLabel charsCountLabel = new JLabel(
Integer.toString(textArea.getDocument().getLength()));
JLabel wordsLabel = new JLabel(msg.getString("Words"));
wordsCountLabel = new JLabel(
Integer.toString(calculateWordCount(textArea)));
JLabel terminatorLabel = UIUtil.createLabel(msg,
"LineTerminator", "LineTerminatorMnemonic");
terminatorCombo = new SpecialValueComboBox();
UIUtil.fixComboOrientation(terminatorCombo);
terminatorCombo.addSpecialItem(msg.getString("SysDef"), TERM_SYSTEM);
terminatorCombo.addSpecialItem(msg.getString("CR"), TERM_CR);
terminatorCombo.addSpecialItem(msg.getString("LF"), TERM_LF);
terminatorCombo.addSpecialItem(msg.getString("CRLF"), TERM_CRLF);
terminatorCombo.setSelectedSpecialItem((String)textArea.
getLineSeparator());
terminatorCombo.setActionCommand("TerminatorComboBox");
terminatorCombo.addActionListener(this);
terminatorLabel.setLabelFor(terminatorCombo);
JLabel encodingLabel = UIUtil.createLabel(msg,
"Encoding", "EncodingMnemonic");
encodingCombo = new JComboBox();
UIUtil.fixComboOrientation(encodingCombo);
// Populate the combo box with all available encodings.
Map availcs = Charset.availableCharsets();
Set keys = availcs.keySet();
for (Iterator i=keys.iterator(); i.hasNext(); )
encodingCombo.addItem(i.next());
setEncoding(textArea.getEncoding());
encodingCombo.setActionCommand("encodingCombo");
encodingCombo.addActionListener(this);
encodingLabel.setLabelFor(encodingCombo);
JLabel sizeLabel = new JLabel(msg.getString("FileSize"));
File file = new File(textArea.getFileFullPath());
String size = "";
if (file.exists() && !file.isDirectory()) {
size = Long.toString(file.length());
}
JLabel sizeLabel2 = new JLabel(size);
long temp = textArea.getLastSaveOrLoadTime();
String modifiedString;
if (temp<=0) { // 0 or -1, can be either
modifiedString = "";
}
else {
Date modifiedDate = new Date(temp);
SimpleDateFormat rob = new SimpleDateFormat("hh:mm a EEE, MMM d, yyyy");
modifiedString = rob.format(modifiedDate);
}
JLabel modifiedLabel = new JLabel(msg.getString("LastModified"));
JLabel modified = new JLabel(modifiedString);
if (o.isLeftToRight()) {
content2.add(filePathLabel); content2.add(filePathField);
content2.add(linesLabel); content2.add(linesCountLabel);
content2.add(charsLabel); content2.add(charsCountLabel);
content2.add(wordsLabel); content2.add(wordsCountLabel);
content2.add(terminatorLabel); content2.add(terminatorCombo);
content2.add(encodingLabel); content2.add(encodingCombo);
content2.add(sizeLabel); content2.add(sizeLabel2);
content2.add(modifiedLabel); content2.add(modified);
}
else {
content2.add(filePathField); content2.add(filePathLabel);
content2.add(linesCountLabel); content2.add(linesLabel);
content2.add(charsCountLabel); content2.add(charsLabel);
content2.add(wordsCountLabel); content2.add(wordsLabel);
content2.add(terminatorCombo); content2.add(terminatorLabel);
content2.add(encodingCombo); content2.add(encodingLabel);
content2.add(sizeLabel2); content2.add(sizeLabel);
content2.add(modified); content2.add(modifiedLabel);
}
UIUtil.makeSpringCompactGrid(content2,
8,2, // rows,cols,
0,0, // initial-x, initial-y,
5,5); // x-spacing, y-spacing.
// Make a panel for OK and cancel buttons.
JPanel bottomPanel = new JPanel();
JPanel buttonPanel = new JPanel(new GridLayout(1,2, 5,0));
okButton = UIUtil.createRButton(msg, "OK", "OKMnemonic");
okButton.setActionCommand("OKButton");
okButton.addActionListener(this);
okButton.setEnabled(false);
buttonPanel.add(okButton);
RButton cancelButton = UIUtil.createRButton(msg,
"Cancel", "CancelMnemonic");
cancelButton.setActionCommand("CancelButton");
cancelButton.addActionListener(this);
buttonPanel.add(cancelButton);
bottomPanel.add(buttonPanel);
contentPane.add(bottomPanel, BorderLayout.SOUTH);
setContentPane(contentPane);
setModal(true);
applyComponentOrientation(o);
pack();
setLocationRelativeTo(parent);
}
/**
* Listens for actions in this dialog.
*
* @param e The action event.
*/
public void actionPerformed(ActionEvent e) {
String actionCommand = e.getActionCommand();
if (actionCommand.equals("TerminatorComboBox")) {
okButton.setEnabled(true);
}
else if (actionCommand.equals("encodingCombo")) {
okButton.setEnabled(true);
}
else if (actionCommand.equals("OKButton")) {
String terminator = terminatorCombo.getSelectedSpecialItem();
if (terminator!=null) {
String old = (String)textArea.getLineSeparator();
if (!terminator.equals(old)) {
textArea.setLineSeparator(terminator);
}
}
String encoding = (String)encodingCombo.getSelectedItem();
if (encoding!=null) {
textArea.setEncoding(encoding);
}
setVisible(false);
}
else if (actionCommand.equals("CancelButton")) {
escapePressed();
}
}
private int calculateWordCount(TextEditorPane textArea) {
int wordCount = 0;
RSyntaxDocument doc = (RSyntaxDocument)textArea.getDocument();
BreakIterator bi = BreakIterator.getWordInstance();
bi.setText(new DocumentCharIterator(textArea.getDocument()));
for (int nextBoundary=bi.first(); nextBoundary!=BreakIterator.DONE;
nextBoundary=bi.next()) {
// getWordInstance() returns boundaries for both words and
// non-words (whitespace, punctuation, etc.)
try {
char ch = doc.charAt(nextBoundary);
if (Character.isLetterOrDigit(ch)) {
wordCount++;
}
} catch (BadLocationException ble) {
ble.printStackTrace();
}
}
return wordCount;
}
/**
* Sets the encoding selected by this dialog.
*
* @param encoding The desired encoding. If this value is invalid or not
* supported by this OS, US-ASCII is used.
* @see #getEncoding
*/
private void setEncoding(String encoding) {
Charset cs1 = Charset.forName(encoding);
int count = encodingCombo.getItemCount();
for (int i=0; i=getEndIndex()) {
return DONE;
}
try {
doc.getText(index, 1, s);
return s.first();
} catch (BadLocationException ble) {
return DONE;
}
}
public char first() {
index = getBeginIndex();
return current();
}
public int getBeginIndex() {
return 0;
}
public int getEndIndex() {
return doc.getLength();
}
public int getIndex() {
return index;
}
public char last() {
index = Math.max(0, getEndIndex() - 1);
return current();
}
public char next() {
index = Math.min(index+1, getEndIndex());
return current();
}
public char previous() {
index = Math.max(index-1, getBeginIndex());
return current();
}
public char setIndex(int pos) {
if (posgetEndIndex()) {
throw new IllegalArgumentException("Illegal index: " + index);
}
index = pos;
return current();
}
}
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