package timeflow.app.actions;
|
|
import timeflow.model.*;
|
import timeflow.app.ui.*;
|
import timeflow.app.*;
|
import timeflow.data.db.*;
|
|
import java.awt.*;
|
import java.awt.event.*;
|
|
import javax.swing.*;
|
|
import java.util.*;
|
|
public class RenameFieldAction extends TimeflowAction {
|
|
public RenameFieldAction(TimeflowApp app)
|
{
|
super(app, "Rename Field...", null, "Rename a field from this database");
|
}
|
|
@Override
|
public void actionPerformed(ActionEvent e) {
|
JPanel panel=new JPanel();
|
panel.setLayout(new GridLayout(4,1));
|
panel.add(new JLabel("Choose a field and type a new name."));
|
final JComboBox fieldChoices=new JComboBox();
|
panel.add(fieldChoices);
|
ArrayList<String> options=new ArrayList<String>();
|
for (Field f: getModel().getDB().getFields())
|
fieldChoices.addItem(f.getName());
|
JPanel inputPanel=new JPanel();
|
inputPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
|
inputPanel.add(new JLabel("New Name:"));
|
final JTextField nameField=new JTextField(20);
|
inputPanel.add(nameField);
|
nameField.requestFocus();
|
final JLabel feedback=new JLabel("(No name entered)");
|
|
nameField.addKeyListener(new KeyListener() {
|
@Override
|
public void keyPressed(KeyEvent e) {
|
// TODO Auto-generated method stub
|
|
}
|
|
@Override
|
public void keyReleased(KeyEvent e) {
|
String name=nameField.getText();
|
Field other=getModel().getDB().getField(name);
|
//System.out.println("name="+name);
|
if (name.trim().length()==0)
|
{
|
feedback.setText("(No name entered)");
|
} else if (other!=null && !other.getName().equals(fieldChoices.getSelectedItem()))
|
{
|
feedback.setText("A field named '"+name+"' already exists.");
|
} else
|
feedback.setText("");
|
}
|
|
@Override
|
public void keyTyped(KeyEvent e) {
|
// TODO Auto-generated method stub
|
|
}});
|
|
panel.add(inputPanel);
|
feedback.setForeground(Color.gray);
|
panel.add(feedback);
|
|
String[] o={"OK", "Cancel"};
|
int n = JOptionPane.showOptionDialog(
|
app,
|
panel,
|
"Rename Field",
|
JOptionPane.YES_NO_CANCEL_OPTION,
|
JOptionPane.PLAIN_MESSAGE,
|
null,
|
o,
|
o[0]);
|
|
if (n==0)
|
{
|
Field old=getModel().getDB().getField((String)fieldChoices.getSelectedItem());
|
String newName=nameField.getText();
|
Field conflict=getModel().getDB().getField(newName);
|
boolean tooSpacey=newName.trim().length()==0;
|
if (tooSpacey)
|
app.showUserError("Can't change the field name to be empty.");
|
else if (conflict!=null && conflict!=old)
|
app.showUserError("A field named '"+newName+"' already exists.");
|
else
|
{
|
getModel().getDB().renameField(old, nameField.getText());
|
getModel().noteSchemaChange(this);
|
}
|
}
|
}
|
}
|
