/bundles/plugins-trunk/XInsert/src/InputDialog.java

/*

 *

 * InputDialog.java

 * Copyright (C) 2001 Dominic Stolerman

 * dstolerman@jedit.org

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 */

 

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;



public class InputDialog extends JDialog 

{

	public static final double MIN_WIDTH  = 290.0;

	public static final double MIN_HEIGHT =  110.0;

	

	public InputDialog(Frame owner, String key, String message, String defValue) {

		super(owner, "Please input a value for " + key, true);

		parent = owner;

		init( key,  message,  defValue);

		}

	

	public InputDialog(Frame owner, String key, String message, String defValue, String[] opts, boolean allowUser) {

		super(owner, "Please input a value for " + key, true);

		parent = owner;

		init( key,  message,  defValue,  opts,  allowUser);

		}

	

	public InputDialog(Dialog owner, String key, String message, String defValue) {

		super(owner, "Please input a value for " + key, true);

		parent = owner;

		init( key,  message,  defValue);

		}

	

	public InputDialog(Dialog owner, String key, String message, String defValue, String[] opts, boolean allowUser) {

		super(owner, "Please choose a value for " + key, true);

		parent = owner;

		init( key, message, defValue, opts, allowUser);

		}

	

	public String getValue() {

		return selected;

		}

	

	public String showDialog() {

		pack();

		setLocationRelativeTo(parent);

		show();

		return getValue();

		}

	

	public Dimension getMinimumSize() {

		Dimension supMin = super.getMinimumSize();

		return new Dimension(

			(int)Math.max(supMin.getWidth(), MIN_WIDTH),

			(int)Math.max(supMin.getHeight(), MIN_HEIGHT)

			);

		}

	

	public Dimension getPreferredSize() {

		Dimension supMin = super.getPreferredSize();

		return new Dimension(

			(int)Math.max(supMin.getWidth(), MIN_WIDTH),

			(int)Math.max(supMin.getHeight(), MIN_HEIGHT)

			);

		}

	

	private void init(String key, String message, String defValue, String[] opts, boolean allowUser) {

		centPanel = new CentrePanel();

		centPanel.addComboBox(opts, defValue, allowUser);

		init(message);

		}

	

	private void init(String key, String message, String defValue) {

		centPanel = new CentrePanel();

		centPanel.addTextBox(defValue);

		init(message);

		}

	

	private void init(String message) {

		setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);

		addWindowListener(

			new WindowAdapter() {

				public void windowClosing(WindowEvent e) {

					okJB.doClick();

					}

				}

			);

		setResizable(false);

		panel = new JPanel();

		GridBagLayout gb = new GridBagLayout();

		GridBagConstraints c = new GridBagConstraints();

		panel.setLayout(gb);

		c.gridx = 0;

		c.fill = GridBagConstraints.HORIZONTAL;

		c.weightx =  0.5;

		c.weighty = 0.5;



		c.gridy = 0;

		label = new JLabel(message);

		label.setHorizontalAlignment(SwingConstants.LEFT);

		gb.setConstraints(label, c);

		panel.add(label);



		c.gridy = 1;

		gb.setConstraints(centPanel, c);

		panel.add(centPanel);



		c.gridy = 2;

		c.fill = GridBagConstraints.NONE;

		c.anchor = GridBagConstraints.SOUTHEAST;

		okJB = new JButton("OK");

		getRootPane().setDefaultButton(okJB);

		okJB.addActionListener(al);

		gb.setConstraints(okJB, c);

		panel.add(okJB);



		setContentPane(panel);

		//getRootPane().registerKeyboardAction(al, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), JComponent.WHEN_IN_FOCUSED_WINDOW);

		}



	ActionListener al = new ActionListener() {

		public void actionPerformed(ActionEvent evt) {

			selected = centPanel.getValue();

			setVisible(false);

			dispose();

			}

		};



	private JLabel label;

	private JButton okJB;

	private JPanel panel;

	private CentrePanel centPanel;

	private Window parent;



	String selected;

	

	private class CentrePanel extends JPanel {

		public CentrePanel() {

			super();

			setLayout(new BorderLayout());

			}



		public void addTextBox(String defValue)	{

			box = null;

			add(text = new JTextField(defValue, 20), BorderLayout.CENTER);

			if(defValue !=null) {

				text.setSelectionStart(0);

				text.setSelectionEnd(defValue.length());

				}

			text.addActionListener(al);

			}



		public void addComboBox(String[] opts, String defValue, boolean editable) {

			text = null;

			add(box = new JComboBox(opts));

			if(defValue != null) {

				boolean defValInc = false;

				for(int i=0; i < opts.length; i++) {

					if(opts[i].equals(defValue)) {

						box.setSelectedIndex(i);

						defValInc = true;

						}

					}

				if(!defValInc) {

					box.addItem(defValue);

					box.setSelectedItem(defValue);

					}

				}

			box.setEditable(editable);

 			box.addActionListener(

				new ActionListener() {

					public void actionPerformed(ActionEvent e) {

						selected = centPanel.getValue();

						}

					}

				);

		}

		

		public String getValue() {

			if(box == null)

				return text.getText();

			else

				return (String)box.getSelectedItem();

			}

		

		private JTextField text;

		private JComboBox box;

	}

}