/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.gui.log;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import com.cburch.logisim.data.Value;
import com.cburch.logisim.util.JFileChoosers;
import com.cburch.logisim.util.StringUtil;
class FilePanel extends LogPanel {
private class Listener implements ActionListener, ModelListener {
public void selectionChanged(ModelEvent event) { }
public void entryAdded(ModelEvent event, Value[] values) { }
public void filePropertyChanged(ModelEvent event) {
Model model = getModel();
computeEnableItems(model);
File file = model.getFile();
fileField.setText(file == null ? "" : file.getPath());
enableButton.setEnabled(file != null);
headerCheckBox.setSelected(model.getFileHeader());
}
private void computeEnableItems(Model model) {
if (model.isFileEnabled()) {
enableLabel.setText(Strings.get("fileEnabled"));
enableButton.setText(Strings.get("fileDisableButton"));
} else {
enableLabel.setText(Strings.get("fileDisabled"));
enableButton.setText(Strings.get("fileEnableButton"));
}
}
public void actionPerformed(ActionEvent event) {
Object src = event.getSource();
if (src == enableButton) {
getModel().setFileEnabled(!getModel().isFileEnabled());
} else if (src == selectButton) {
int result = chooser.showSaveDialog(getLogFrame());
if (result != JFileChooser.APPROVE_OPTION) return;
File file = chooser.getSelectedFile();
if (file.exists() && (!file.canWrite() || file.isDirectory())) {
JOptionPane.showMessageDialog(getLogFrame(),
StringUtil.format(Strings.get("fileCannotWriteMessage"), file.getName()),
Strings.get("fileCannotWriteTitle"),
JOptionPane.OK_OPTION);
return;
}
if (file.exists() && file.length() > 0) {
String[] options = {
Strings.get("fileOverwriteOption"),
Strings.get("fileAppendOption"),
Strings.get("fileCancelOption"),
};
int option = JOptionPane.showOptionDialog(getLogFrame(),
StringUtil.format(Strings.get("fileExistsMessage"), file.getName()),
Strings.get("fileExistsTitle"),
0, JOptionPane.QUESTION_MESSAGE, null,
options, options[0]);
if (option == 0) {
try {
FileWriter delete = new FileWriter(file);
delete.close();
} catch (IOException e) { }
} else if (option == 1) {
// do nothing
} else {
return;
}
}
getModel().setFile(file);
} else if (src == headerCheckBox) {
getModel().setFileHeader(headerCheckBox.isSelected());
}
}
}
private Listener listener = new Listener();
private JLabel enableLabel = new JLabel();
private JButton enableButton = new JButton();
private JLabel fileLabel = new JLabel();
private JTextField fileField = new JTextField();
private JButton selectButton = new JButton();
private JCheckBox headerCheckBox = new JCheckBox();
private JFileChooser chooser = JFileChoosers.create();
public FilePanel(LogFrame frame) {
super(frame);
JPanel filePanel = new JPanel(new GridBagLayout());
GridBagLayout gb = (GridBagLayout) filePanel.getLayout();
GridBagConstraints gc = new GridBagConstraints();
gc.fill = GridBagConstraints.HORIZONTAL;
gb.setConstraints(fileLabel, gc);
filePanel.add(fileLabel);
gc.weightx = 1.0;
gb.setConstraints(fileField, gc);
filePanel.add(fileField);
gc.weightx = 0.0;
gb.setConstraints(selectButton, gc);
filePanel.add(selectButton);
fileField.setEditable(false);
fileField.setEnabled(false);
setLayout(new GridBagLayout());
gb = (GridBagLayout) getLayout();
gc = new GridBagConstraints();
gc.gridx = 0;
gc.weightx = 1.0;
gc.gridy = GridBagConstraints.RELATIVE;
JComponent glue;
glue = new JPanel(); gc.weighty = 1.0; gb.setConstraints(glue, gc); add(glue); gc.weighty = 0.0;
gb.setConstraints(enableLabel, gc); add(enableLabel);
gb.setConstraints(enableButton, gc); add(enableButton);
glue = new JPanel(); gc.weighty = 1.0; gb.setConstraints(glue, gc); add(glue); gc.weighty = 0.0;
gc.fill = GridBagConstraints.HORIZONTAL;
gb.setConstraints(filePanel, gc); add(filePanel);
gc.fill = GridBagConstraints.NONE;
glue = new JPanel(); gc.weighty = 1.0; gb.setConstraints(glue, gc); add(glue); gc.weighty = 0.0;
gb.setConstraints(headerCheckBox, gc); add(headerCheckBox);
glue = new JPanel(); gc.weighty = 1.0; gb.setConstraints(glue, gc); add(glue); gc.weighty = 0.0;
enableButton.addActionListener(listener);
selectButton.addActionListener(listener);
headerCheckBox.addActionListener(listener);
modelChanged(null, getModel());
localeChanged();
}
@Override
public String getTitle() {
return Strings.get("fileTab");
}
@Override
public String getHelpText() {
return Strings.get("fileHelp");
}
@Override
public void localeChanged() {
listener.computeEnableItems(getModel());
fileLabel.setText(Strings.get("fileLabel") + " ");
selectButton.setText(Strings.get("fileSelectButton"));
headerCheckBox.setText(Strings.get("fileHeaderCheck"));
}
@Override
public void modelChanged(Model oldModel, Model newModel) {
if (oldModel != null) oldModel.removeModelListener(listener);
if (newModel != null) {
newModel.addModelListener(listener);
listener.filePropertyChanged(null);
}
}
}