/*
 * Copyright (c) 2000-2002 Canoo Engineering AG, Switzerland.
 */
package todolist;

import com.ulcjava.base.application.AbstractApplication;
import com.ulcjava.base.application.DefaultListModel;
import com.ulcjava.base.application.ULCBoxPane;
import com.ulcjava.base.application.ULCButton;
import com.ulcjava.base.application.ULCComponent;
import com.ulcjava.base.application.ULCFrame;
import com.ulcjava.base.application.ULCList;
import com.ulcjava.base.application.ULCTextField;
import com.ulcjava.base.application.event.ActionEvent;
import com.ulcjava.base.application.event.IActionListener;
import com.ulcjava.base.application.util.BorderedComponentUtilities;
import com.ulcjava.base.development.DevelopmentRunner;

public class MyToDoList extends AbstractApplication {
    public static void main(String args[]) {
        DevelopmentRunner.setApplicationClass(MyToDoList.class);
        DevelopmentRunner.run();
    }

    public void start() {
        ULCTextField editField = new ULCTextField();
        ULCComponent borderedEditField = BorderedComponentUtilities.createBorderedComponent(editField, "To Do Item");
        
        DefaultListModel listModel = new DefaultListModel();
        ULCList list = new ULCList(listModel);
        ULCComponent borderedList = BorderedComponentUtilities.createBorderedComponent(list, "To Do List");
        
        ULCButton addButton = new ULCButton("Add");
        addButton.addActionListener(new AddEntryAction(listModel, editField));
        addButton.setEnabler(editField);
        
        ULCButton removeButton = new ULCButton("Remove");
        removeButton.addActionListener(new RemoveEntryAction(listModel, list));
        removeButton.setEnabler(list.getSelectionModel());

        ULCBoxPane buttonBox = new ULCBoxPane(false);
        buttonBox.add(ULCBoxPane.BOX_CENTER_CENTER, addButton);
        buttonBox.add(ULCBoxPane.BOX_CENTER_CENTER, removeButton);

        ULCBoxPane rootBox = new ULCBoxPane(true);
        rootBox.add(ULCBoxPane.BOX_EXPAND_TOP, borderedEditField);
        rootBox.add(ULCBoxPane.BOX_EXPAND_EXPAND, borderedList);
        rootBox.add(ULCBoxPane.BOX_CENTER_CENTER, buttonBox);

        ULCFrame frame = new ULCFrame("ULC ToDoList Sample");
        frame.setDefaultCloseOperation(ULCFrame.TERMINATE_ON_CLOSE);
        frame.add(rootBox);
        frame.setVisible(true);
    }

    static class AddEntryAction implements IActionListener {
        DefaultListModel fListModel;
        ULCTextField fEditField;

        public AddEntryAction(DefaultListModel listModel, ULCTextField editField) {
            fListModel = listModel;
            fEditField = editField;
        }

        public void actionPerformed(ActionEvent actionEvent) {
            fListModel.add(fEditField.getText());
        }
    }

    static class RemoveEntryAction implements IActionListener {
        DefaultListModel fListModel;
        ULCList fList;

        public RemoveEntryAction(DefaultListModel listModel, ULCList list) {
            fListModel = listModel;
            fList = list;
        }

        public void actionPerformed(ActionEvent actionEvent) {
            if (fList.getSelectedIndex() != -1) {
                fListModel.remove(fList.getSelectedIndex());
            }
        }
    }
}