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scripts/java/FGClient/src/FGFSDemo.java
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178
scripts/java/FGClient/src/FGFSDemo.java
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@@ -0,0 +1,178 @@
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// FGFSDemo.java - Simple demo application.
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import java.io.IOException;
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import java.util.HashMap;
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import javax.swing.JFrame;
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import javax.swing.JScrollPane;
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import javax.swing.JTabbedPane;
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import org.flightgear.fgfsclient.FGFSConnection;
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import org.flightgear.fgfsclient.PropertyPage;
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/**
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* Simple GUI demo.
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*
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* <p>This demo connects to a running FlightGear process and displays
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* the current altitude, longitude, and latitude in a GUI window, with
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* updates every second.</p>
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*
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* <p>Usage:</p>
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*
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* <blockquote><pre>
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* fgfs --telnet=9000
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* java FGFSDemo localhost 9000
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* </pre></blockquote>
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*/
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public class FGFSDemo
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extends JFrame
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{
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public FGFSDemo (String host, int port)
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throws IOException
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{
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super("FlightGear Client Console");
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fgfs = new FGFSConnection(host, port);
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tabs = new JTabbedPane();
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pages = new HashMap();
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PropertyPage page = new PropertyPage(fgfs, "Simulation");
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page.addField("/sim/aircraft", "Aircraft:");
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page.addField("/sim/startup/airport-id", "Airport ID:");
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page.addField("/sim/time/gmt", "Current time (GMT):");
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page.addField("/sim/startup/trim", "Trim on ground (true/false):");
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page.addField("/sim/sound/audible", "Sound enabled (true/false):");
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page.addField("/sim/startup/browser-app", "Web browser:");
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addPage(page);
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page = new PropertyPage(fgfs, "View");
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page.addField("/sim/view-mode", "View mode:");
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page.addField("/sim/current-view/field-of-view",
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"Field of view (deg):");
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page.addField("/sim/current-view/pitch-offset-deg",
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"View pitch offset (deg):");
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page.addField("/sim/current-view/heading-offset-deg",
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"View heading offset (deg):");
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addPage(page);
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page = new PropertyPage(fgfs, "Location");
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page.addField("/position/altitude-ft", "Altitude (ft):");
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page.addField("/position/longitude-deg", "Longitude (deg):");
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page.addField("/position/latitude-deg", "Latitude (deg):");
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page.addField("/orientation/roll-deg", "Roll (deg):");
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page.addField("/orientation/pitch-deg", "Pitch (deg):");
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page.addField("/orientation/heading-deg", "Heading (deg):");
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addPage(page);
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page = new PropertyPage(fgfs, "Weather");
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page.addField("/environment/wind-from-heading-deg",
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"Wind direction (deg FROM):");
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page.addField("/environment/params/base-wind-speed-kt",
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"Wind speed (kt):");
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page.addField("/environment/params/gust-wind-speed-kt",
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"Maximum gust (kt):");
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page.addField("/environment/wind-from-down-fps",
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"Updraft (fps):");
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page.addField("/environment/temperature-degc", "Temperature (degC):");
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page.addField("/environment/dewpoint-degc", "Dewpoint (degC):");
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page.addField("/environment/pressure-sea-level-inhg",
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"Altimeter setting (inHG):");
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addPage(page);
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page = new PropertyPage(fgfs, "Clouds");
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page.addField("/environment/clouds/layer[0]/type",
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"Layer 0 type:");
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page.addField("/environment/clouds/layer[0]/elevation-ft",
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"Layer 0 height (ft):");
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page.addField("/environment/clouds/layer[0]/thickness-ft",
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"Layer 0 thickness (ft):");
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page.addField("/environment/clouds/layer[1]/type",
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"Layer 1 type:");
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page.addField("/environment/clouds/layer[1]/elevation-ft",
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"Layer 1 height (ft):");
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page.addField("/environment/clouds/layer[1]/thickness-ft",
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"Layer 1 thickness (ft):");
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page.addField("/environment/clouds/layer[2]/type",
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"Layer 2 type:");
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page.addField("/environment/clouds/layer[2]/elevation-ft",
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"Layer 2 height (ft):");
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page.addField("/environment/clouds/layer[2]/thickness-ft",
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"Layer 2 thickness (ft):");
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page.addField("/environment/clouds/layer[3]/type",
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"Layer 3 type:");
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page.addField("/environment/clouds/layer[3]/elevation-ft",
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"Layer 3 height (ft):");
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page.addField("/environment/clouds/layer[3]/thickness-ft",
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"Layer 3 thickness (ft):");
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page.addField("/environment/clouds/layer[4]/type",
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"Layer 4 type:");
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page.addField("/environment/clouds/layer[4]/elevation-ft",
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"Layer 4 height (ft):");
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page.addField("/environment/clouds/layer[4]/thickness-ft",
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"Layer 4 thickness (ft):");
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addPage(page);
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page = new PropertyPage(fgfs, "Velocities");
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page.addField("/velocities/airspeed-kt", "Airspeed (kt):");
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page.addField("/velocities/speed-down-fps", "Descent speed (fps):");
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addPage(page);
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getContentPane().add(tabs);
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new Thread(new Updater()).start();
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}
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private void addPage (PropertyPage page)
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{
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tabs.add(page.getName(), new JScrollPane(page));
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pages.put(page.getName(), page);
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}
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private FGFSConnection fgfs;
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private JTabbedPane tabs;
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private HashMap pages;
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public static void main (String args[])
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throws Exception
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{
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if (args.length != 2) {
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System.err.println("Usage: FGFSDemo <host> <port>");
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System.exit(2);
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}
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FGFSDemo gui = new FGFSDemo(args[0], Integer.parseInt(args[1]));
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gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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gui.pack();
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gui.show();
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}
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class Updater
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implements Runnable
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{
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public void run ()
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{
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while (true) {
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int index = tabs.getSelectedIndex();
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if (index > -1) {
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String name = tabs.getTitleAt(index);
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PropertyPage page = (PropertyPage)pages.get(name);
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try {
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page.update();
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} catch (IOException e) {
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}
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}
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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}
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}
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}
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}
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}
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// end of FGFSDemo.java
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@@ -0,0 +1,317 @@
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// FGFSConnection.java - client library for the FlightGear flight simulator.
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// Started June 2002 by David Megginson, david@megginson.com
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// This library is in the Public Domain and comes with NO WARRANTY.
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package org.flightgear.fgfsclient;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.Socket;
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/**
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* A connection to a running instance of FlightGear.
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*
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* <p>This class currently uses the FlightGear telnet interface,
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* though it may be modified to use a different TCP/IP interface in
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* the future. Client applications can use this library to examine
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* and modify internal FlightGear properties.</p>
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*
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* <p>To start FlightGear with the telnet server activated, use a
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* command like this (to listen on port 9000):</p>
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*
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* <blockquote><pre>
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* fgfs --telnet=9000
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* </pre></blockquote>
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*
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* <p>Then create a connection to FlightGear from your Java client
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* application:</p>
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*
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* <blockquote><pre>
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* FGFSConnection fgfs = new FGFSConnection("localhost", 9000);
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* </pre></blockquote>
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*
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* <p>Now you can use the connection to get and set FlightGear
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* properties:</p>
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*
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* <blockquote><pre>
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* double altitude = fgfs.getDouble("/position/altitude-ft");
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* fgfs.setDouble("/orientation/heading", 270.0);
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* </pre></blockquote>
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*
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* <p>All methods that communicate directly with FlightGear are
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* synchronized, since they must work over a single telnet
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* connection.</p>
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*/
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public class FGFSConnection
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{
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////////////////////////////////////////////////////////////////////
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// Constructor.
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////////////////////////////////////////////////////////////////////
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/**
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* Constructor.
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*
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* <p>Create a new connection to a running FlightGear program.
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* The program must have been started with the --telnet=<port>
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* command-line option.</p>
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*
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* @param host The host name or IP address to connect to.
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* @param port The port number where FlightGear is listening.
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* @exception IOException If it is not possible to connect to
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* a FlightGear process.
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*/
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public FGFSConnection (String host, int port)
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throws IOException
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{
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socket = new Socket(host, port);
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in =
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new BufferedReader(new InputStreamReader(socket.getInputStream()));
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out = new PrintWriter(socket.getOutputStream(), true);
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out.println("data\r");
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}
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////////////////////////////////////////////////////////////////////
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// Primitive getter and setter.
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////////////////////////////////////////////////////////////////////
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/**
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* Close the connection to FlightGear.
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*
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* <p>The client application should always invoke this method when
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* it has finished with a connection, to allow cleanup.</p>
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*
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* @exception IOException If there is an error closing the
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* connection.
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*/
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public synchronized void close ()
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throws IOException
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{
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out.println("quit\r");
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in.close();
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out.close();
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socket.close();
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}
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/**
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* Get the raw string value for a property.
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*
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* <p>This is the primitive method for all property lookup;
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* everything comes in as a string, and is only later converted by
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* methods like {@link #getDouble(String)}. As a result, if you
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* need the value as a string anyway, it makes sense to use this
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* method directly rather than forcing extra conversions.</p>
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*
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* @param name The FlightGear property name to look up.
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* @return The property value as a string (non-existant properties
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* return the empty string).
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* @exception IOException If there is an error communicating with
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* FlightGear or if the connection is lost.
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* @see #getBoolean(String)
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* @see #getInt(String)
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* @see #getLong(String)
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* @see #getFloat(String)
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* @see #getDouble(String)
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*/
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public synchronized String get (String name)
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throws IOException
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{
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out.println("get " + name + '\r');
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return in.readLine();
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}
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/**
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* Set the raw string value for a property.
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*
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* <p>This is the primitive method for all property modification;
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* everything goes out as a string, after it has been converted by
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* methods like {@link #setDouble(String,double)}. As a result, if
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* you have the value as a string already, it makes sense to use
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* this method directly rather than forcing extra conversions.</p>
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*
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* @param name The FlightGear property name to modify or create.
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* @param value The new value for the property, as a string.
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* @exception IOException If there is an error communicating with
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* FlightGear or if the connection is lost.
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* @see #setBoolean(String,boolean)
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* @see #setInt(String,int)
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* @see #setLong(String,long)
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* @see #setFloat(String,float)
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* @see #setDouble(String,double)
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*/
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public synchronized void set (String name, String value)
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throws IOException
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{
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out.println("set " + name + ' ' + value + '\r');
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}
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////////////////////////////////////////////////////////////////////
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// Derived getters and setters.
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////////////////////////////////////////////////////////////////////
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/**
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* Get a property value as a boolean.
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*
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* @param name The property name to look up.
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* @return The property value as a boolean.
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* @see #get(String)
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*/
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public boolean getBoolean (String name)
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throws IOException
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{
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return get(name).equals("true");
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}
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/**
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* Get a property value as an integer.
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*
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* @param name The property name to look up.
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* @return The property value as an int.
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* @see #get(String)
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*/
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public int getInt (String name)
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throws IOException
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{
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return Integer.parseInt(get(name));
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}
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/**
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* Get a property value as a long.
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*
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* @param name The property name to look up.
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* @return The property value as a long.
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* @see #get(String)
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*/
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public long getLong (String name)
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throws IOException
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{
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return Long.parseLong(get(name));
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}
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/**
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* Get a property value as a float.
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*
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* @param name The property name to look up.
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* @return The property value as a float.
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* @see #get(String)
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*/
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public float getFloat (String name)
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throws IOException
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{
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return Float.parseFloat(get(name));
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}
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/**
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* Get a property value as a double.
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*
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* @param name The property name to look up.
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* @return The property value as a double.
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* @see #get(String)
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*/
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public double getDouble (String name)
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throws IOException
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{
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return Double.parseDouble(get(name));
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}
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|
||||
|
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/**
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* Set a property value from a boolean.
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*
|
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* @param name The property name to create or modify.
|
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* @param value The new property value as a boolean.
|
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* @see #set(String,String)
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*/
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public void setBoolean (String name, boolean value)
|
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throws IOException
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{
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set(name, (value ? "true" : "false"));
|
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}
|
||||
|
||||
|
||||
/**
|
||||
* Set a property value from an int.
|
||||
*
|
||||
* @param name The property name to create or modify.
|
||||
* @param value The new property value as an int.
|
||||
* @see #set(String,String)
|
||||
*/
|
||||
public void setInt (String name, int value)
|
||||
throws IOException
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||||
{
|
||||
set(name, Integer.toString(value));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Set a property value from a long.
|
||||
*
|
||||
* @param name The property name to create or modify.
|
||||
* @param value The new property value as a long.
|
||||
* @see #set(String,String)
|
||||
*/
|
||||
public void setLong (String name, long value)
|
||||
throws IOException
|
||||
{
|
||||
set(name, Long.toString(value));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Set a property value from a float.
|
||||
*
|
||||
* @param name The property name to create or modify.
|
||||
* @param value The new property value as a float.
|
||||
* @see #set(String,String)
|
||||
*/
|
||||
public void setFloat (String name, float value)
|
||||
throws IOException
|
||||
{
|
||||
set(name, Float.toString(value));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Set a property value from a double.
|
||||
*
|
||||
* @param name The property name to create or modify.
|
||||
* @param value The new property value as a double.
|
||||
* @see #set(String,String)
|
||||
*/
|
||||
public void setDouble (String name, double value)
|
||||
throws IOException
|
||||
{
|
||||
set(name, Double.toString(value));
|
||||
}
|
||||
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////
|
||||
// Internal state.
|
||||
////////////////////////////////////////////////////////////////////
|
||||
|
||||
private Socket socket;
|
||||
private BufferedReader in;
|
||||
private PrintWriter out;
|
||||
|
||||
}
|
||||
|
||||
// end of FGFSConnection.java
|
||||
@@ -0,0 +1,59 @@
|
||||
package org.flightgear.fgfsclient;
|
||||
|
||||
import java.awt.event.ActionEvent;
|
||||
import java.awt.event.ActionListener;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import javax.swing.JLabel;
|
||||
import javax.swing.JPanel;
|
||||
import javax.swing.JTextField;
|
||||
|
||||
public class PropertyField
|
||||
extends JPanel
|
||||
{
|
||||
|
||||
public PropertyField (FGFSConnection fgfs,
|
||||
String name,
|
||||
String caption)
|
||||
{
|
||||
this.fgfs = fgfs;
|
||||
propertyName = name;
|
||||
label = new JLabel(caption);
|
||||
value = new JTextField(10);
|
||||
value.addActionListener(new ActionListener () {
|
||||
public void actionPerformed (ActionEvent ev)
|
||||
{
|
||||
try {
|
||||
modify();
|
||||
grabFocus();
|
||||
} catch (IOException ex) {
|
||||
System.err.println("Failed to update " + propertyName);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
add(label);
|
||||
add(value);
|
||||
|
||||
}
|
||||
|
||||
public void update ()
|
||||
throws IOException
|
||||
{
|
||||
if (!value.hasFocus())
|
||||
value.setText(fgfs.get(propertyName));
|
||||
}
|
||||
|
||||
public void modify ()
|
||||
throws IOException
|
||||
{
|
||||
fgfs.set(propertyName, value.getText());
|
||||
}
|
||||
|
||||
private FGFSConnection fgfs;
|
||||
private String propertyName;
|
||||
private JLabel label;
|
||||
private JTextField value;
|
||||
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
package org.flightgear.fgfsclient;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
|
||||
import javax.swing.BoxLayout;
|
||||
import javax.swing.JPanel;
|
||||
|
||||
public class PropertyPage
|
||||
extends JPanel
|
||||
{
|
||||
|
||||
public PropertyPage (FGFSConnection fgfs, String name)
|
||||
{
|
||||
this.fgfs = fgfs;
|
||||
this.name = name;
|
||||
fields = new ArrayList();
|
||||
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
|
||||
}
|
||||
|
||||
public String getName ()
|
||||
{
|
||||
return name;
|
||||
}
|
||||
|
||||
public void addField (String name, String caption)
|
||||
{
|
||||
PropertyField field = new PropertyField(fgfs, name, caption);
|
||||
add(field);
|
||||
fields.add(field);
|
||||
}
|
||||
|
||||
public void update ()
|
||||
throws IOException
|
||||
{
|
||||
Iterator it = fields.iterator();
|
||||
while (it.hasNext()) {
|
||||
((PropertyField)it.next()).update();
|
||||
}
|
||||
}
|
||||
|
||||
private FGFSConnection fgfs;
|
||||
private String name;
|
||||
private ArrayList fields;
|
||||
|
||||
}
|
||||
@@ -0,0 +1,70 @@
|
||||
package org.flightgear.fgfsclient;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import java.awt.GridLayout;
|
||||
import java.awt.event.ActionEvent;
|
||||
import java.awt.event.ActionListener;
|
||||
|
||||
import javax.swing.JButton;
|
||||
import javax.swing.JDialog;
|
||||
import javax.swing.JFrame;
|
||||
import javax.swing.JLabel;
|
||||
import javax.swing.JOptionPane;
|
||||
import javax.swing.JTextField;
|
||||
|
||||
|
||||
public final class Util
|
||||
{
|
||||
|
||||
public static void forceConnection (JFrame frame, final FGFSConnection fgfs)
|
||||
{
|
||||
while (!fgfs.isConnected()) {
|
||||
final JDialog dialog =
|
||||
new JDialog(frame, "Connect to FlightGear", true);
|
||||
dialog.getContentPane().setLayout(new GridLayout(3, 2));
|
||||
dialog.getContentPane().add(new JLabel("Host:"));
|
||||
|
||||
final JTextField hostField = new JTextField(20);
|
||||
hostField.setText(fgfs.getHost());
|
||||
dialog.getContentPane().add(hostField);
|
||||
|
||||
dialog.getContentPane().add(new JLabel("Port:"));
|
||||
|
||||
final JTextField portField = new JTextField(5);
|
||||
portField.setText(Integer.toString(fgfs.getPort()));
|
||||
dialog.getContentPane().add(portField);
|
||||
|
||||
JButton connectButton = new JButton("Connect");
|
||||
connectButton.addActionListener(new ActionListener() {
|
||||
public void actionPerformed (ActionEvent ev)
|
||||
{
|
||||
try {
|
||||
fgfs.open(hostField.getText(),
|
||||
Integer.parseInt(portField.getText()));
|
||||
} catch (IOException ex) {
|
||||
JOptionPane.showMessageDialog(dialog, ex.getMessage(),
|
||||
"Alert", JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
dialog.hide();
|
||||
}
|
||||
});
|
||||
dialog.getContentPane().add(connectButton);
|
||||
dialog.getRootPane().setDefaultButton(connectButton);
|
||||
|
||||
JButton quitButton = new JButton("Quit");
|
||||
quitButton.addActionListener(new ActionListener() {
|
||||
public void actionPerformed (ActionEvent ev)
|
||||
{
|
||||
System.exit(0); // FIXME
|
||||
}
|
||||
});
|
||||
dialog.getContentPane().add(quitButton);
|
||||
|
||||
dialog.pack();
|
||||
dialog.show();
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user