OVMS3/OVMS.V3/components/ovms_webserver/dev/notifications.htm

89 lines
3.4 KiB
HTML

<!--
Test/Development/Documentation page
- enable web server file access
- upload to web file path, e.g. /sd/dev/notifications.htm
- open in framework by e.g. http://test1.local/#/dev/notifications.htm
-->
<div class="panel panel-primary">
<div class="panel-heading">Notification Test/Demo</div>
<div class="panel-body">
<h4>Receiver</h4>
<!--
You can use data-subscriptions to preconfigure subscriptions.
Note: types "info", "error" and "alert" get sent to all receivers.
-->
<pre id="log" class="receiver" data-subscriptions="notify/stream/myapp/#">I'm preconfigured to receive notify/stream/myapp/#</pre>
</div>
<div class="panel-footer">
<div>
<label for="topics">Test command:</label>
<input type="text" class="form-control font-monospace" id="cmd" value="notify raise text stream myapp.input 'my first stream'">
<p>JSON example: <code class="autoselect">notify raise text stream myapp.input '{"my":"JSON stream","pi":3.141,"fib":[1,2,3,5,8,13]}'</code></p>
<button type="button" class="btn btn-default" id="action-exec">Execute</button>
<samp id="cmdres" />
</div>
<div>
<label for="topics">Topic subscription (separate topics by space):</label>
<input type="text" class="form-control font-monospace" id="topics" value="notify/stream/myapp/#">
<button type="button" class="btn btn-default" id="action-sub">Sub</button>
<button type="button" class="btn btn-default" id="action-unsub">Unsub</button>
<button type="button" class="btn btn-default" id="action-unsuball">Unsub all</button>
</div>
</div>
</div>
<script>
// Receiver event handling:
$('#log').on('msg:notify', function(ev, msg) {
// You normally should filter by type/subtype here, e.g.:
// if (subtype.startsWith('myapp')) { … }
// msg has type, subtype and value
// Dump the msg into the receiver to show the structure:
$(this).text(JSON.stringify(msg, null, 2));
// A convenient way to transport complex data is JSON.
// To decode a JSON string, use JSON.parse().
// Note: JSON.parse() needs strict JSON syntax, i.e. quoted names.
var payload;
try {
payload = JSON.parse(msg.value);
if (payload) {
$(this).append("<div>Found JSON payload:</div>")
.append($("<div />").text(JSON.stringify(payload, null, 2)).html());
console.log(payload);
}
} catch(e) {
// no JSON
console.log(e);
}
});
// Topic subscription can be done on page load using the data-subscriptions attribute
// and/or on demand using the subscribe & unsubscribe calls:
$('#action-sub').on('click', function(ev) {
var topics = $('#topics').val();
$('#log').subscribe(topics).text("added " + topics);
});
// The receiver remembers the subscriptions and does an auto unsubscribe on unload.
// You can also unsubscribe topics dynamically. Your data producer can check for
// active subscriptions using the MyNotify.HasReader() method.
$('#action-unsub').on('click', function(ev) {
var topics = $('#topics').val();
$('#log').unsubscribe(topics).text("removed " + topics);
});
$('#action-unsuball').on('click', function(ev) {
$('#log').unsubscribe().text("removed all subscriptions");
});
// Command handler:
$('#action-exec').on('click', function(ev) {
var cmd = $('#cmd').val();
if (cmd) loadcmd(cmd, '#cmdres');
});
$('#cmd').on('keydown', function(ev) {
if (ev.which == 13) $('#action-exec').trigger('click');
});
</script>