fgdata/gui/dialogs/atc-freq-display.xml

<?xml version="1.0"?>
<PropertyList>
    <nasal>
	  <open>
	  <![CDATA[
            var self = cmdarg();
			var icao = self.getNode("nasal/params/param/icao");
			if (props.getNode("/sim/atc/freq-airport")!=nil) {
                icao = props.getNode("/sim/atc/freq-airport");
			}
			var dialogTitle = sprintf("Airportfrequencies %s", icao.getValue());
			self.getNode("text/label").setValue(dialogTitle);
			var apt = airportinfo(icao.getValue());
			var frequencies = apt.comms();
			var textgroup = self.getNode("group").getNode("group-template");
			var i = 0;
			foreach (var c; frequencies) {
				var target = self.getNode("group").getChild("group", i, 1);
				props.copy(textgroup, target);
				i = i + 1;
				target.getNode("text/label").setValue(c.ident);
				var formattedFreq = sprintf("%.3f MHz", c.frequency);
				target.getNode("text[1]/label").setValue(formattedFreq);
				target.getNode("button/binding/value").setValue(c.frequency);
				target.getNode("button[1]/binding/value").setValue(c.frequency);
				target.getNode("enabled").setValue(1);
			}
	  ]]>
	  </open>
	</nasal>
	<name>atc-freq-display</name>
	<layout>vbox</layout>

	<text>
		<label>TITLE ("ICAO Frequencies")</label>
	</text>

	<hrule/>

	<group>
		<name>frequency-list</name>
		<layout>vbox</layout>
		<!-- using one copy of group-template per frequency line -->
		<group-template>
			<enabled>false</enabled>
			<layout>hbox</layout>
			<text>
				<halign>left</halign>
				<label>LABEL</label>
			</text>
			<empty>
				<stretch>true</stretch>
			</empty>
			<text>
				<halign>right</halign>
				<label>FREQUENCY</label>
			</text>

            <button>
                <pref-width>50</pref-width>
                <pref-height>22</pref-height>
                <legend>COM1</legend>
                <border>2</border>

                <binding>
                    <command>property-assign</command>
                    <property>/instrumentation/comm/frequencies/selected-mhz</property>
                    <value type="float">FREQUENCY</value>
                </binding>
            </button>

            <button>
                <pref-width>50</pref-width>
                <pref-height>22</pref-height>
                <legend>COM2</legend>
                <border>2</border>

                <binding>
                    <command>property-assign</command>
                    <property>/instrumentation/comm[1]/frequencies/selected-mhz</property>
                    <value type="float">FREQUENCY</value>
                </binding>
            </button>
		</group-template>
	</group>

	<button>
		<legend>Close</legend>
		<default>true</default>
		<key>Esc</key>
		<binding>
			<command>dialog-close</command>
		</binding>
	</button>
</PropertyList>