edu.wpi.cs.wpisuitetng.modules.cal.ui.navigation.GoToPanel.java Source code

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Here is the source code for edu.wpi.cs.wpisuitetng.modules.cal.ui.navigation.GoToPanel.java

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/*******************************************************************************
 * Copyright (c) 2013 WPI-Suite
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: Team YOCO (You Only Compile Once)
 ******************************************************************************/
package edu.wpi.cs.wpisuitetng.modules.cal.ui.navigation;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.text.ParseException;

import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.text.MaskFormatter;

import org.joda.time.DateTime;
import org.joda.time.MutableDateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import edu.wpi.cs.wpisuitetng.modules.cal.CalendarLogger;
import edu.wpi.cs.wpisuitetng.modules.cal.ui.main.MainPanel;

public class GoToPanel extends JPanel {

    final private static DateTimeFormatter gotoExampleField = DateTimeFormat.forPattern("M/d/yyyy");
    final private static DateTimeFormatter gotoField = DateTimeFormat.forPattern("M/d/yy");
    final private static DateTimeFormatter gotoFieldShort = DateTimeFormat.forPattern("M/d");
    private JLabel gotoErrorText;
    private JLabel gotoDateText;
    private JTextField gotoDateField;
    private JButton updateGotoButton;
    private DateTime currentDate;

    public GoToPanel(DateTime date) {

        JPanel top = new JPanel();
        JPanel bot = new JPanel();

        this.currentDate = date;
        this.setBorder(new EmptyBorder(5, 0, 0, 0));

        // Go to field
        try {
            this.gotoDateField = new JFormattedTextField(new MaskFormatter("##/##/####"));
        } catch (ParseException e1) {
            CalendarLogger.LOGGER.severe(e1.toString());
        }
        this.gotoDateField.setText(currentDate.toString(gotoExampleField));
        // Go to label
        gotoDateText = new JLabel("Go to: ");

        // Go to error label
        gotoErrorText = new JLabel(" ");
        gotoErrorText.setHorizontalAlignment(SwingConstants.CENTER);
        gotoErrorText.setForeground(Color.RED);

        // Go to button
        updateGotoButton = new JButton(">");
        updateGotoButton.setFocusable(false);
        updateGotoButton.setBackground(UIManager.getDefaults().getColor("Panel.background"));
        updateGotoButton.setBorder(new EmptyBorder(5, 5, 5, 5));

        // Set up listener
        updateGotoButton.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                parseGoto(gotoDateField.getText());
            }
        });

        gotoDateField.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                parseGoto(gotoDateField.getText());
            }
        });

        // Set up pane
        top.setLayout(new BorderLayout());
        bot.setLayout(new BorderLayout());

        this.setLayout(new BorderLayout());

        top.add(gotoDateText, BorderLayout.WEST);
        top.add(gotoDateField, BorderLayout.CENTER);
        top.add(updateGotoButton, BorderLayout.EAST);

        bot.add(gotoErrorText);
        top.add(bot, BorderLayout.SOUTH);

        this.add(top, BorderLayout.NORTH);

        // Give focus to navigation after focus is lost
        gotoDateField.addFocusListener(new FocusListener() {

            @Override
            public void focusLost(FocusEvent e) {
                MainPanel.getInstance().getCalNav().grabFocus();
            }

            @Override
            public void focusGained(FocusEvent e) {
                // TODO Auto-generated method stub
            }

        });

    }

    /**
     * Parses the input to the goTo field to ensure proper formatting and handle
     * syntax errors
     * @param text string to parse
     */
    public void parseGoto(String text) {

        DateTime dt;
        boolean isValidYear = true;

        try {
            dt = gotoField.parseDateTime(text);
            if (dt.getYear() < 1900 || dt.getYear() > 2100) {
                isValidYear = false;
                dt = null;
            }
        }

        catch (IllegalArgumentException illArg) {
            try {
                MutableDateTime mdt = gotoFieldShort.parseMutableDateTime(text);
                mdt.setYear(currentDate.getYear()); // this format does not provide years. add it
                dt = mdt.toDateTime();
            } catch (IllegalArgumentException varArg) {
                dt = null;
            }
        }
        if (dt != null) {
            MainPanel.getInstance().display(dt);
            MainPanel.getInstance().refreshView();
            gotoErrorText.setText(" ");
        } else {
            if (isValidYear)
                gotoErrorText.setText("* Use format: mm/dd/yyyy");
            else
                gotoErrorText.setText("* Year out of range (1900-2100)");
        }
    }

    public void displayGoto(DateTime mDateTime) {
        gotoDateField.setText(mDateTime.toString(gotoExampleField));
    }
}