fgdata/gui/dialogs/location-in-air.xml

<?xml version="1.0"?>
<PropertyList>
  <name>location-in-air</name>
  <layout>vbox</layout>
  <halign>left</halign>

  <nasal>
    <open>
      var p = props.globals.getNode("/sim/gui/dialogs/location-in-air/", 1);

      if (getprop("/sim/presets/carrier") != nil and getprop("/sim/presets/carrier") != ""){
        setprop("/sim/gui/dialogs/location-in-air/carrier-active",1);
        setprop("/sim/gui/dialogs/location-in-air/airport",0);
      } else {
        setprop("/sim/gui/dialogs/location-in-air/carrier-active",0);
        setprop("/sim/gui/dialogs/location-in-air/airport",1);
      }
      
      var dlg_root = cmdarg();
      var mode = {
        airport: p.getNode("airport", 1),
        lonlat:  p.getNode("lonlat", 1),
        vor:     p.getNode("vor", 1),
        ndb:     p.getNode("ndb", 1),
        fix:     p.getNode("fix", 1),
        carrier: p.getNode("carrier-active", 1),
      };

      var set_radio = func(m) {
        foreach (var k; keys(mode)) {
          mode[k].setBoolValue(m == k);
        }
      };

      var initialized = 0;
      foreach (var k; keys(mode)) {
        if (mode[k].getType() == "NONE") {
          mode[k].setBoolValue(0);
        }
        initialized += mode[k].getBoolValue();
      }
      if (!initialized) {
        set_radio("airport");
      }
      var pickNearest = func(type,propname,freqpropname) {

        var found = navinfo(type,getprop(propname));
        if( found == nil or size(found) == 0 ) {
          logrint(LOG_WARN, type, " ", getprop(propname), " NOT found");
          setprop(propname, "");
          setprop(freqpropname, "");
          return;
        }
        setprop(propname, found[0].id);
        setprop(freqpropname, found[0].frequency / 100.0);

      }

      var populateCarrierCombo = func() {
        # Fill the carrier-selection combo box with a list of available carriers
        var combo = gui.findElementByName( dlg_root, "carrier-selection" );
        var carriers = props.globals.getNode( "/ai/models" );

        combo.removeChildren("value");
        if (carriers == nil) 
          return;

        foreach (var carrier; carriers.getChildren("carrier")) {
          nameNode = carrier.getNode("name");
          if(nameNode != nil and nameNode.getValue() != nil)
          combo.addChild("value").setValue(nameNode.getValue());
        }
      };

      var populateCarrierPositionCombo = func() {
        # Fill the carrier-position-select combo box with the special values for
        # final approach and abeam in-air positions, plus any catapults or parking
        # positions available.
        var combo = gui.findElementByName( dlg_root, "carrier-position-selection" );
        var carriers = props.globals.getNode( "/ai/models" );

        # Clear the box, as we may have selected a new carrier from the carrier selection
        combo.removeChildren("value");
        combo.addChild("value").setValue("FLOLS");
        combo.addChild("value").setValue("Abeam");

        if (carriers == nil) 
          return;

        foreach (var carrier; carriers.getChildren("carrier")) {
          if (carrier.getNode("name", 1).getValue() == getprop("/sim/presets/carrier")) {
            foreach (var parkpos; carrier.getChildren("parking-pos")) {
              combo.addChild("value").setValue(parkpos.getNode("name", 1).getValue());
            }
          }
        }
      };

      populateCarrierCombo();
      populateCarrierPositionCombo();

    </open>

    <close># just kept for educational purposes :-)</close>
  </nasal>

  <group>
    <layout>hbox</layout>
    <empty>
      <stretch>1</stretch>
    </empty>

    <text>
      <label>Position Aircraft In Air</label>
    </text>

    <empty>
      <stretch>1</stretch>
    </empty>

    <button>
      <pref-width>16</pref-width>
      <pref-height>16</pref-height>
      <legend></legend>
      <keynum>27</keynum>
      <border>2</border>
      <binding>
        <command>dialog-close</command>
      </binding>
    </button>
  </group>

  <hrule />

  <group>
    <layout>table</layout>
    <group>
      <default-padding>6</default-padding>
      <row>0</row>
      <col>1</col>
      <layout>vbox</layout>
      <radio>
        <live>true</live>
        <halign>left</halign>
        <label>Airport:</label>
        <property>/sim/gui/dialogs/location-in-air/airport</property>
        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("airport")</script>
        </binding>
      </radio>

      <radio>
        <label>Position:</label>
        <halign>left</halign>
        <live>true</live>
        <property>/sim/gui/dialogs/location-in-air/lonlat</property>
        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("lonlat")</script>
        </binding>
      </radio>

      <radio>
        <label>VOR:</label>
        <halign>left</halign>
        <live>true</live>
        <property>/sim/gui/dialogs/location-in-air/vor</property>
        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("vor")</script>
        </binding>
      </radio>

      <radio>
        <live>true</live>
        <halign>left</halign>
        <label>NDB:</label>

        <property>/sim/gui/dialogs/location-in-air/ndb</property>
        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("ndb")</script>
        </binding>
      </radio>


      <radio>
        <label>Fix:</label>
        <live>true</live>
        <property>/sim/gui/dialogs/location-in-air/fix</property>
        <halign>left</halign>

        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("fix")</script>
        </binding>
      </radio>

      <radio>
        <live>true</live>
        <label>Aircraft Carrier:</label>
        <property>/sim/gui/dialogs/location-in-air/carrier-active</property>
        <halign>left</halign>

        <binding>
          <command>dialog-apply</command>
        </binding>
        <binding>
          <command>nasal</command>
          <script>set_radio("carrier")</script>
        </binding>
      </radio>
    </group>
    <group>
      <layout>table</layout>
      <row>0</row>
      <col>2</col>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/airport</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>Airport:</label>
      </text>
      <input>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/airport-id</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("airport")</script>
        </binding>
      </input>
      <text>
        <row>1</row>
        <col>0</col>
        <halign>right</halign>
        <label>  Runway:</label>
      </text>
      <input>
        <row>1</row>
        <col>1</col>
        <property>/sim/presets/runway</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("airport")</script>
        </binding>
      </input>
    </group>

    <group>
      <row>0</row>
      <col>2</col>
      <layout>table</layout>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/lonlat</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>Longitude:</label>
      </text>
      <input>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/longitude-deg</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("lonlat")</script>
        </binding>
      </input>
      <text>
        <row>1</row>
        <col>0</col>
        <halign>right</halign>
        <label>  Latitude:</label>
      </text>
      <input>
        <row>1</row>
        <col>1</col>
        <property>/sim/presets/latitude-deg</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("lonlat")</script>
        </binding>
      </input>
    </group>

    <group>
      <row>0</row>
      <col>2</col>
      <layout>table</layout>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/vor</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>VOR:</label>
      </text>
      <input>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/vor-id</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("vor")</script>
        </binding>
      </input>

    </group>


    <group>
      <row>0</row>
      <col>2</col>
      <layout>table</layout>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/ndb</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>NDB:</label>
      </text>
      <input>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/ndb-id</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("ndb")</script>
        </binding>
      </input>
    </group>

    <group>
      <row>0</row>
      <col>2</col>
      <layout>table</layout>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/fix</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>Fix:</label>
      </text>
      <input>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/fix</property>
        <binding>
          <command>nasal</command>
          <script>set_radio("fix")</script>
        </binding>
      </input>
    </group>

    <group>
      <row>0</row>
      <col>2</col>
      <layout>table</layout>
      <visible>
        <property>/sim/gui/dialogs/location-in-air/carrier-active</property>
      </visible>
      <text>
        <row>0</row>
        <col>0</col>
        <halign>right</halign>
        <label>Carrier:</label>
      </text>
      <combo>
        <name>carrier-selection</name>
        <row>0</row>
        <col>1</col>
        <property>/sim/presets/carrier</property>
        <binding>
          <command>dialog-apply</command>
          <object-name>carrier-selection</object-name>
        </binding>
        <binding>
          <command>nasal</command>
          <script>populateCarrierPositionCombo();</script>
        </binding>
      </combo>
      <text>
        <row>1</row>
        <col>0</col>
        <halign>right</halign>
        <label>Position:</label>
      </text>
      <combo>
        <name>carrier-position-selection</name>
        <row>1</row>
        <col>1</col>
        <property>/sim/presets/carrier-position</property>
        <binding>
          <command>dialog-apply</command>
          <object-name>carrier-position-selection</object-name>
        </binding>
      </combo>
    </group>
  </group>

  <hrule/>

  <text>
    <label>Relative Position</label>
  </text>

  <group>
    <layout>hbox</layout>

    <group>
      <layout>table</layout>
      <text>
        <row>0</row><col>0</col>
        <halign>right</halign>
        <label>  Distance (nm):</label>
        <enable><not><property>/sim/gui/dialogs/location-in-air/lonlat</property></not></enable>
      </text>
      <input>
        <row>0</row><col>1</col>
        <property>/sim/presets/offset-distance-nm</property>
        <enable><not><property>/sim/gui/dialogs/location-in-air/lonlat</property></not></enable>
      </input>

      <text>
        <row>0</row><col>2</col>
        <halign>right</halign>
        <label>Azimuth (deg):</label>
        <enable><not><property>/sim/gui/dialogs/location-in-air/lonlat</property></not></enable>
      </text>
      <input>
        <row>0</row><col>3</col>
        <property>/sim/presets/offset-azimuth-deg</property>
        <enable><not><property>/sim/gui/dialogs/location-in-air/lonlat</property></not></enable>
      </input>

      <text>
        <row>1</row><col>0</col>
        <halign>right</halign>
        <label>Altitude (ft):</label>
      </text>
      <input>
        <row>1</row><col>1</col>
        <property>/sim/presets/altitude-ft</property>
      </input>

      <text>
        <row>1</row><col>2</col>
        <halign>right</halign>
        <label>  Glidepath (deg):</label>
      </text>
      <input>
        <row>1</row><col>3</col>
        <property>/sim/presets/glideslope-deg</property>
      </input>

      <text>
        <row>2</row><col>0</col>
        <halign>right</halign>
        <label>Airspeed (kt):</label>
      </text>
      <input>
        <row>2</row><col>1</col>
        <property>/sim/presets/airspeed-kt</property>
      </input>

      <text>
        <row>2</row><col>2</col>
        <halign>right</halign>
        <label>Heading (deg):</label>
        <enable><not><property>/sim/gui/dialogs/location-in-air/airport</property></not></enable>
      </text>
      <input>
        <row>2</row><col>3</col>
        <enable><not><property>/sim/gui/dialogs/location-in-air/airport</property></not></enable>
        <property>/sim/presets/heading-deg</property>
      </input>
    </group>

    <!-- only for a gap -->
    <group>
      <layout>vbox</layout>
      <default-padding>1</default-padding>
      <text>
        <label> </label>
      </text>
    </group>

  </group>

  <hrule/>

  <group>
    <layout>hbox</layout>
    <default-padding>10</default-padding>

    <button>
      <legend>OK</legend>
      <default>true</default>
      <equal>true</equal>
      <binding>
        <command>dialog-apply</command>
      </binding>
      <binding>
        <command>nasal</command>
        <script>

          if (mode.carrier.getBoolValue()) {
            setprop("/sim/presets/airport-id", "");
            setprop("/sim/presets/runway", "");
            setprop("/sim/presets/runway-requested", 0);
          }
          else if (!mode.airport.getBoolValue()) {
            setprop("/sim/presets/carrier", "");
            setprop("/sim/presets/parkpos", "");
            setprop("/sim/presets/airport-id", "");
            setprop("/sim/presets/runway", "");
            setprop("/sim/presets/runway-requested", 0);
          } else {
            setprop("/sim/presets/carrier", "");
            setprop("/sim/presets/heading-deg", 9999);
            var runway = getprop("/sim/presets/runway");
            if (runway != "") {
              setprop("/sim/presets/runway-requested", 1);
            }
          }

          if (!mode.lonlat.getBoolValue()) {
            setprop("/sim/presets/longitude-deg", -9999);
            setprop("/sim/presets/latitude-deg", -9999);
          }

          if (!mode.vor.getBoolValue()) {
            setprop("/sim/presets/vor-id", "");
          } else {
            pickNearest("vor","/sim/presets/vor-id","/sim/presets/vor-freq");
          }

          if (!mode.ndb.getBoolValue()) {
            setprop("/sim/presets/ndb-id", "");
          } else {
            pickNearest("ndb","/sim/presets/ndb-id","/sim/presets/ndb-freq");
          }

          if (!mode.fix.getBoolValue()) {
            setprop("/sim/presets/fix", "");
          }

          var speedRequested = getprop("/sim/presets/airspeed-kt");
          if (speedRequested > 0) {
            setprop("/sim/presets/speed-set", "knots");
          }

        </script>
      </binding>
      <binding>
        <command>reposition</command>
      </binding>
      <binding>
        <command>nasal</command>
        <script>
          ac = getprop("/sim/aircraft");
          if (ac == "ufo") { return }

          var eng = props.globals.getNode("/controls/engines");
          if (eng != nil) {
            foreach (c; eng.getChildren("engine")) {
              c.getNode("magnetos", 1).setIntValue(3);
              c.getNode("throttle", 1).setDoubleValue(0.5);
            }
          }
        </script>
      </binding>
      <binding>
        <command>dialog-close</command>
      </binding>
    </button>

    <button>
      <legend>Cancel</legend>
      <equal>true</equal>
      <key>Esc</key>
      <binding>
        <command>dialog-close</command>
      </binding>
    </button>
  </group>
</PropertyList>