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complete FileManager class #2

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complete FileManager class #2

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48 changes: 48 additions & 0 deletions editor/FileManager.java
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Original file line number Diff line number Diff line change
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package editor;

import javax.swing.*;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Paths;

public class FileManager {
public static void openFile(TextEditor textEditor, JTextArea textArea) {
JFileChooser fileChooser = new JFileChooser();
if (fileChooser.showOpenDialog(textEditor) == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
textEditor.currentFile = file;
try {
String content = new String(Files.readAllBytes(Paths.get(file.getPath())));
textArea.setText(content);
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor, "Sorry, we can't open this file. Please check the format and try again.", "Error", JOptionPane.ERROR_MESSAGE);
}
}
}

public static void saveFile(TextEditor textEditor, JTextArea textArea) {
if (textEditor.currentFile == null) {
JFileChooser fileChooser = new JFileChooser();
if (fileChooser.showSaveDialog(textEditor) == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
textEditor.currentFile = file;
try (FileWriter writer = new FileWriter(file)) {
writer.write(textArea.getText());
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor, "Failed to save the file. Please try again.", "Error", JOptionPane.ERROR_MESSAGE);
}
}
} else {
try (FileWriter writer = new FileWriter(textEditor.currentFile)) {
writer.write(textArea.getText());
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor, "Failed to save the file. Please try again.", "Error", JOptionPane.ERROR_MESSAGE);
}
}
}

public static void newFile(TextEditor textEditor, JTextArea textArea) {
textEditor.currentFile = null;
textArea.setText("");
}
}