package org.hwo.ui;

import javax.swing.JComponent;

import java.awt.GridBagLayout;

import javax.swing.JTextField;

import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JList;
import javax.swing.JPopupMenu;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class JObjectSelect extends JComponent {
	private JTextField tfDisplay;
	
	private List<Object>	itemList;
	private Object			selectedItem;

	public JObjectSelect() {
		GridBagLayout gridBagLayout = new GridBagLayout();
		gridBagLayout.columnWidths = new int[]{0, 0, 0};
		gridBagLayout.rowHeights = new int[]{0, 0};
		gridBagLayout.columnWeights = new double[]{1.0, 0.0, Double.MIN_VALUE};
		gridBagLayout.rowWeights = new double[]{1.0, Double.MIN_VALUE};
		setLayout(gridBagLayout);
		
		tfDisplay = new JTextField();
		tfDisplay.setEditable(false);
		GridBagConstraints gbc_tfDisplay = new GridBagConstraints();
		gbc_tfDisplay.insets = new Insets(0, 0, 0, 5);
		gbc_tfDisplay.fill = GridBagConstraints.BOTH;
		gbc_tfDisplay.gridx = 0;
		gbc_tfDisplay.gridy = 0;
		add(tfDisplay, gbc_tfDisplay);
		tfDisplay.setColumns(10);
		
		JButton btnNewButton = new JButton("...");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				showListPopup();
			}
		});
		btnNewButton.setIcon(null);
		GridBagConstraints gbc_btnNewButton = new GridBagConstraints();
		gbc_btnNewButton.fill = GridBagConstraints.BOTH;
		gbc_btnNewButton.gridx = 1;
		gbc_btnNewButton.gridy = 0;
		add(btnNewButton, gbc_btnNewButton);
		
		itemList = new ArrayList<Object>();
		setSelectedItem(null);
	}
	
	public Object getSelectedItem(){
		return this.selectedItem;
	}
	public void setSelectedItem(Object item){
		this.selectedItem = item;
		
		if (selectedItem != null){
			tfDisplay.setText(selectedItem.toString());
		} else {
			tfDisplay.setText("");
		}
	}
	
	public Object[] getItems(){
		return itemList.toArray();
	}
	public void setItems(Object[] items){
		this.itemList.clear();
		this.itemList.addAll(Arrays.asList(items));
	}
	
	private void showListPopup(){
		
	/*	JPopupMenu popup = new JPopupMenu();
		JList<Object> jlist = new JList<Object>(itemList.toArray());
		
		popup.add(jlist);
		popup.show(this, 0, getHeight());
		*/
		
		Object si = JObjectSelector.execute(getItems());
		if (si != null){
			setSelectedItem(si);
		}
		
	}
	

}