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package Editor;
import java.io.*;
import java.util.StringTokenizer;
import javax.swing.*;
import java.util.regex.*;
/**
* Implements all methods of EditorSkeletonFrame.
* @author Newjc
*/
public class EditorFrame extends EditorSkeletonFrame {
private JFileChooser chooser;
private File selectedFile;
private String startPath;
private boolean alreadySave = false;
//private int nbNew = 1;
private SearchDialog searchDialog;
private SearchAndReplaceDialog srDialog;
private HelpDialog help;
private DataTransferObject dataTransfer;
/**
* Constructor.
*/
public EditorFrame() {
super();
this.startPath = "./";
}
/**
* Open a file.
*/
protected void openFile() {
if (chooser == null) {
chooser = new JFileChooser(startPath);
}
int i = chooser.showOpenDialog(this);
if (i == JFileChooser.APPROVE_OPTION) {
selectedFile = chooser.getSelectedFile();
try {
FileReader filereader = new FileReader(selectedFile);
textDisplayPane.read(filereader, null);
filereader.close();
this.setTitle(selectedFile.getPath());
} catch (IOException e) {
System.out.println("IO error");
}
}
}
/**
* Save a file.
*/
protected void saveFile() {
if (chooser == null) {
chooser = new JFileChooser(startPath);
}
if (alreadySave == false) {
int i = chooser.showSaveDialog(this);
if (i == JFileChooser.APPROVE_OPTION) {
selectedFile = chooser.getSelectedFile();
try {
FileWriter filewriter = new FileWriter(selectedFile);
filewriter.write(textDisplayPane.getText());
filewriter.close();
this.alreadySave = true;
this.setTitle(selectedFile.getPath());
} catch (IOException e) {
JOptionPane.showMessageDialog(null, "Problem during file writing");
}
}
} else {
try {
FileWriter filewriter = new FileWriter(selectedFile);
filewriter.write(textDisplayPane.getText());
filewriter.close();
JOptionPane.showMessageDialog(null, "This file has been saved");
} catch (IOException e) {
JOptionPane.showMessageDialog(null, "Problem during file saving");
}
}
}
/**
* Find a word in the textArea and call CountWord.
*/
protected void find() {
if (searchDialog == null) {
searchDialog = new SearchDialog(this);
dataTransfer = new DataTransferObject();
}
searchDialog.showIt(dataTransfer);
if (dataTransfer.getSearch()) {
this.countWord(dataTransfer.getSearchWord(), dataTransfer.getCaseSensitive());
}
}
/**
* Show how many times appear the finding word.
* @param word Mot a rechercher
* @param caseSensitive
*/
private void countWord(String word, boolean caseSensitive) {
int nbMots = 0;
String s = textDisplayPane.getText();
StringTokenizer st = new StringTokenizer(s, " \n\t,.;");
while (st.hasMoreTokens()) {
if (caseSensitive) {
if (st.nextToken().equals(word)) {
nbMots++;
}
} else {
if (st.nextToken().equalsIgnoreCase(word)) {
nbMots++;
}
}
}
JOptionPane.showMessageDialog(this, "This word appears " + nbMots + " times.");
}
/**
* Find a word in the textArea and call CountWord.
*/
protected void findAndReplace() {
if (srDialog == null) {
srDialog = new SearchAndReplaceDialog(this);
dataTransfer = new DataTransferObject();
}
srDialog.showIt(dataTransfer);
if (dataTransfer.getDoReplace()) {
this.replaceWord(dataTransfer.getSearchWord(), dataTransfer.getReplaceWord(), dataTransfer.getReplaceAll(), dataTransfer.getCaseSensitive());
}
}
/**
* Replace the search word by the replace word.
* @param searchWord
* @param replaceWord
* @param caseSensitive
*/
private void replaceWord(String searchWord, String replaceWord, boolean replaceAll, boolean caseSensitive) {
if (replaceAll) {
if (caseSensitive) {
Pattern p = Pattern.compile(searchWord);
Matcher m = p.matcher(textDisplayPane.getText());
String s = m.replaceAll(replaceWord);
textDisplayPane.setText(s);
} else {
Pattern p = Pattern.compile(searchWord, Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(textDisplayPane.getText());
String s = m.replaceAll(replaceWord);
textDisplayPane.setText(s);
}
} else {
if (caseSensitive) {
Pattern p = Pattern.compile(searchWord);
Matcher m = p.matcher(textDisplayPane.getText());
String s = m.replaceFirst(replaceWord);
textDisplayPane.setText(s);
} else {
Pattern p = Pattern.compile(searchWord, Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(textDisplayPane.getText());
String s = m.replaceFirst(replaceWord);
textDisplayPane.setText(s);
}
}
}
/**
* Show a dialogue and open the help file.
*/
protected void help() {
help = new HelpDialog(this);
}
/**
* Quit the Editor application.
*/
protected void exitEditor() {
System.exit(0);
}
/**
* Modify the value of boolean alreadySave.
* @param as
*/
protected void setAlreadySave(boolean as) {
this.alreadySave = as;
}
} |
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