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package cuchaz.enigma.gui.elements;
import java.awt.GridLayout;
import java.awt.event.*;
import java.util.HashSet;
import java.util.Set;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.text.Document;
import cuchaz.enigma.gui.events.ConvertingTextFieldListener;
import cuchaz.enigma.gui.util.GuiUtil;
import cuchaz.enigma.utils.validation.ParameterizedMessage;
import cuchaz.enigma.utils.validation.Validatable;
/**
* A label that converts into an editable text field when you click it.
*/
public class ConvertingTextField implements Validatable {
private final JPanel ui;
private final ValidatableTextField textField;
private final JLabel label;
private boolean isEditing = false;
private final Set<ConvertingTextFieldListener> listeners = new HashSet<>();
public ConvertingTextField(String text) {
this.ui = new JPanel();
this.ui.setLayout(new GridLayout(1, 1, 0, 0));
this.textField = new ValidatableTextField(text);
this.label = GuiUtil.unboldLabel(new JLabel(text));
this.label.setBorder(BorderFactory.createLoweredBevelBorder());
this.label.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
startEditing();
}
});
this.textField.addFocusListener(new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
if (!hasChanges()) {
stopEditing(true);
}
}
});
this.textField.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
stopEditing(true);
} else if (e.getKeyCode() == KeyEvent.VK_ENTER) {
stopEditing(false);
}
}
});
this.ui.add(this.label);
}
public void startEditing() {
if (isEditing) return;
this.ui.removeAll();
this.ui.add(this.textField);
this.isEditing = true;
this.ui.validate();
this.ui.repaint();
this.textField.requestFocusInWindow();
this.textField.selectAll();
this.listeners.forEach(l -> l.onStartEditing(this));
}
public void stopEditing(boolean abort) {
if (!isEditing) return;
if (!listeners.stream().allMatch(l -> l.tryStopEditing(this, abort))) return;
if (abort) {
this.textField.setText(this.label.getText());
} else {
this.label.setText(this.textField.getText());
}
this.ui.removeAll();
this.ui.add(this.label);
this.isEditing = false;
this.ui.validate();
this.ui.repaint();
this.listeners.forEach(l -> l.onStopEditing(this, abort));
}
public void setText(String text) {
stopEditing(true);
this.label.setText(text);
this.textField.setText(text);
}
public void setEditText(String text) {
if (!isEditing) return;
this.textField.setText(text);
}
public void selectAll() {
if (!isEditing) return;
this.textField.selectAll();
}
public void selectSubstring(int startIndex) {
if (!isEditing) return;
Document doc = this.textField.getDocument();
if (doc != null) {
this.selectSubstring(startIndex, doc.getLength());
}
}
public void selectSubstring(int startIndex, int endIndex) {
if (!isEditing) return;
this.textField.select(startIndex, endIndex);
}
public String getText() {
if (isEditing) {
return this.textField.getText();
} else {
return this.label.getText();
}
}
public String getPersistentText() {
return this.label.getText();
}
public boolean hasChanges() {
if (!isEditing) return false;
return !this.textField.getText().equals(this.label.getText());
}
@Override
public void addMessage(ParameterizedMessage message) {
textField.addMessage(message);
}
@Override
public void clearMessages() {
textField.clearMessages();
}
public void addListener(ConvertingTextFieldListener listener) {
this.listeners.add(listener);
}
public void removeListener(ConvertingTextFieldListener listener) {
this.listeners.remove(listener);
}
public JPanel getUi() {
return ui;
}
}
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