50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
/*
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This code snippet is taken from from the 'gettingStarted' BajaScript tutorial.
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More information can be found by navigating to this ORD...
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module://docDeveloper/doc/jsdoc/bajaux-ux/tutorial-gettingStarted.html
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*/
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// Subscribe to a Ramp. When it changes, print out the results.
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require(['baja!'], function (baja) {
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"use strict";
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// A Subscriber is used to listen to Component events in Niagara.
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var sub = new baja.Subscriber();
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// This shows a dialog. The function passed into 'showOk' is used to generate the dialog
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// box's content.
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$("#Version").html(baja.version);
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// The 'update' method is called whenever the text needs to be updated.
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function update(ramp) {
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//jq.text(ramp.getOutDisplay());
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//alert(123);
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$("#Ramp1").html(ramp.getOutDisplay());
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}
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// Called whenever the Ramp changes.
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sub.attach('changed', function (prop) {
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if (prop.getName() === 'out') { update(this); }
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});
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// Resolve the ORD to the Ramp and update the text.
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baja.Ord.make('station:|slot:/BajaScriptExamples/bajatest/Ramp1').get({subscriber: sub})
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.then(update);
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// A Promise is an amazing way to handle asynchronous events in JavaScript. For
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// more information on the Promise library we use, please visit https://github.com/petkaantonov/bluebird.
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//.promise()
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//.finally(function () {
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// Called when the dialog is closed.
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// Unsubscribe the Component so we're no longer listening to live
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// events.
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// sub.unsubscribeAll();
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// Detach all subscription handlers to ensure we don't unnecessarily
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// create memory leaks.
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// sub.detach();
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//});
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}); |