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/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Camil Staps <info@camilstaps.nl>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.camilstaps.week10;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**
* Controller for the main window
* @author Camil Staps, s4498062
*/
public class OverviewController {
/**
* Location of the Buienradar API XML
*/
private final static String XML_LOCATION = "http://xml.buienradar.nl";
private final OverviewWindow overviewWindow;
private List<WeatherStation> weatherStations;
/**
* Refresh button:
* 1. Store selected weatherstation id
* 2. Reload XML
* 3. Restore previously selected weatherstation
*/
private final ActionListener refreshActionListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
if (ae.getActionCommand().equals("Refresh")) {
int id = ((WeatherStation) overviewWindow.getWeatherStationPicker().getSelectedItem()).getId();
loadXML();
for (WeatherStation ws : weatherStations) {
if (ws.getId() == id) {
overviewWindow.getWeatherStationPicker().setSelectedItem(ws);
break;
}
}
loadWeatherInfo();
}
}
};
/**
* When the ComboBox changes, change the information in the label accordingly
*/
private final ActionListener newStationActionListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
if (ae.getActionCommand().equals("comboBoxChanged")) {
loadWeatherInfo();
}
}
};
/**
* Load the XML for the first time, register ActionListeners and display info
* @param ow
*/
public OverviewController(OverviewWindow ow) {
overviewWindow = ow;
loadXML();
overviewWindow.getRefreshButton().addActionListener(refreshActionListener);
overviewWindow.getWeatherStationPicker().addActionListener(newStationActionListener);
loadWeatherInfo();
}
/**
* Load XML from the Buienradar API and store in the weatherStations List.
*/
private void loadXML() {
try {
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
Document doc = docBuilder.parse(XML_LOCATION);
doc.getDocumentElement().normalize();
NodeList weatherstationsList = doc.getElementsByTagName("weerstation");
weatherStations = new ArrayList<>();
for (int i = 0; i < weatherstationsList.getLength(); i++) {
weatherStations.add(new WeatherStation((Element) weatherstationsList.item(i)));
}
Collections.sort(weatherStations);
JComboBox<WeatherStation> comboBox = overviewWindow.getWeatherStationPicker();
comboBox.removeAllItems();
for (WeatherStation ws : weatherStations) {
comboBox.addItem(ws);
}
} catch (ParserConfigurationException | SAXException | IOException ex) {
Logger.getLogger(Week10WeatherGUI.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
* Show the weather information in the display.
*/
private void loadWeatherInfo() {
WeatherStation selected = (WeatherStation) overviewWindow.getWeatherStationPicker().getSelectedItem();
if (selected != null) {
overviewWindow.getWeatherInformationDisplay().setText(selected.getWeatherDescription());
overviewWindow.getWeatherInformationDisplay().setIcon(new ImageIcon(selected.getWeatherIcon()));
}
}
}
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