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update file management #4

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update file management #4

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53 changes: 44 additions & 9 deletions src/editor/FileManager.java
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Original file line number Diff line number Diff line change
@@ -1,29 +1,64 @@
package editor;

import javax.swing.*;
import java.io.*;

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();
//TODO
File file = fileChooser.getSelectedFile();

try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
textArea.setText("");
String string;

while ((string = reader.readLine()) != null) {
textArea.append(string + "\n");
}

textEditor.currentFile = file;
textEditor.setTitle("Text Editor - " + file.getName());
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor,
"File reading error: " + e.getMessage(),
"Error", JOptionPane.ERROR_MESSAGE);
}
}
}

public static void saveFile(TextEditor textEditor, JTextArea textArea) {
if (textEditor.currentFile == null){
if (textEditor.currentFile == null) {
JFileChooser fileChooser = new JFileChooser();

if (fileChooser.showSaveDialog(textEditor) == JFileChooser.APPROVE_OPTION) {
//TODO
File file = fileChooser.getSelectedFile();

try (BufferedWriter writer = new BufferedWriter(new FileWriter(file))) {
writer.write(textArea.getText());
textEditor.currentFile = file;
textEditor.setTitle("Text Editor - " + file.getName());
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor,
"File saving error: " + e.getMessage(),
"Error", JOptionPane.ERROR_MESSAGE);
}
}
} else {
try (BufferedWriter writer = new BufferedWriter(new FileWriter(textEditor.currentFile))) {
writer.write(textArea.getText());
} catch (IOException e) {
JOptionPane.showMessageDialog(textEditor,
"File saving error: " + e.getMessage(),
"Error", JOptionPane.ERROR_MESSAGE);
}
}
else{
//TODO
}
}

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