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node-red/nodes/core/io/10-mqtt.html

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<!--
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Licensed under the Apache License, Version 2.0 (the "License");
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You may obtain a copy of the License at
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<script type="text/x-red" data-template-name="mqtt in">
<div class="form-row">
<label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
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<input type="text" id="node-input-broker">
</div>
<div class="form-row">
<label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
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<input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
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</div>
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<div class="form-row">
<label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-input-qos" style="width:125px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
</div>
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<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
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</div>
</script>
<script type="text/x-red" data-help-name="mqtt in">
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<p>Connects to a MQTT broker and subscribes to messages from the specified topic.</p>
<h3>Outputs</h3>
<dl class="message-properties">
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<dt>payload <span class="property-type">string | buffer</span></dt>
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<dd>a string unless detected as a binary buffer.</dd>
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<dt>topic <span class="property-type">string</span></dt>
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<dd>the MQTT topic, uses / as a heirarchy separator.</dd>
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<dt>qos <span class="property-type">number</span> </dt>
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<dd>0, fire and forget - 1, at least once - 2, once and once only.</dd>
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<dt>retain <span class="property-type">boolean</span></dt>
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<dd>true indicates the message was retained and may be old.</dd>
</dl>
<h3>Details</h3>
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The subscription topic can include MQTT wildcards, + for one level, # for multiple levels.</p>
<p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking
the pencil icon.</p>
<p>Several MQTT nodes (in or out) can share the same broker connection if required.</p>
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</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt in',{
category: 'input',
defaults: {
name: {value:""},
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topic: {value:"",required:true,validate: RED.validators.regex(/^(#$|(\+|[^+#]*)(\/(\+|[^+#]*))*(\/(\+|#|[^+#]*))?$)/)},
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qos: {value: "2"},
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broker: {type:"mqtt-broker", required:true}
},
color:"#d8bfd8",
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inputs:0,
outputs:1,
icon: "bridge.png",
label: function() {
return this.name||this.topic||"mqtt";
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},
labelStyle: function() {
return this.name?"node_label_italic":"";
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},
oneditprepare: function() {
if (this.qos === undefined) {
$("#node-input-qos").val("2");
}
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}
});
</script>
<script type="text/x-red" data-template-name="mqtt out">
<div class="form-row">
<label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
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<input type="text" id="node-input-broker">
</div>
<div class="form-row">
<label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
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<input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
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</div>
<div class="form-row">
<label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-input-qos" style="width:125px !important">
<option value=""></option>
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
&nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-input-retain" style="width:125px !important">
<option value=""></option>
<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
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<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
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<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
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</div>
<div class="form-tips"><span data-i18n="mqtt.tip"></span></div>
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</script>
<script type="text/x-red" data-help-name="mqtt out">
<p>Connects to a MQTT broker and publishes messages.</p>
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<h3>Inputs</h3>
<dl class="message-properties">
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<dt>payload <span class="property-type">string | buffer</span></dt>
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<dd> most users prefer simple text payloads, but binary buffers can also be published.</dd>
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<dt class="optional">topic <span class="property-type">string</span></dt>
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<dd> the MQTT topic to publish to.</dd>
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<dt class="optional">qos <span class="property-type">number</span></dt>
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<dd>0, fire and forget - 1, at least once - 2, once and once only. Default 0.</dd>
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<dt class="optional">retain <span class="property-type">boolean</span></dt>
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<dd>set to true to retain the message on the broker. Default false.</dd>
</dl>
<h3>Details</h3>
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<code>msg.payload</code> is used as the payload of the published message.
If it contains an Object it will be converted to a JSON string before being sent.
If it contains a binary Buffer the message will be published as-is.</p>
<p>The topic used can be configured in the node or, if left blank, can be set by <code>msg.topic</code>.</p>
<p>Likewise the QoS and retain values can be configured in the node or, if left
blank, set by <code>msg.qos</code> and <code>msg.retain</code> respectively. To clear a previously
retained topic from the broker, send a blank message to that topic with the retain flag set.</p>
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<p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking
the pencil icon.</p>
<p>Several MQTT nodes (in or out) can share the same broker connection if required.</p>
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</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt out',{
category: 'output',
defaults: {
name: {value:""},
topic: {value:""},
qos: {value:""},
retain: {value:""},
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broker: {type:"mqtt-broker", required:true}
},
color:"#d8bfd8",
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inputs:1,
outputs:0,
icon: "bridge.png",
align: "right",
label: function() {
return this.name||this.topic||"mqtt";
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},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="mqtt-broker">
<div class="form-row">
<label for="node-config-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
<input type="text" id="node-config-input-name" data-i18n="[placeholder]common.label.name">
</div>
<div class="form-row">
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<ul style="background: #fff; min-width: 600px; margin-bottom: 20px;" id="node-config-mqtt-broker-tabs"></ul>
</div>
<div id="node-config-mqtt-broker-tabs-content" style="min-height: 170px;">
<div id="mqtt-broker-tab-connection" style="display:none">
<div class="form-row node-input-broker">
<label for="node-config-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
<input class="input-append-left" type="text" id="node-config-input-broker" style="width:40%;" data-i18n="[placeholder]mqtt.label.example">
<label for="node-config-input-port" style="margin-left:20px; width:43px; "> <span data-i18n="mqtt.label.port"></span></label>
<input type="text" id="node-config-input-port" data-i18n="[placeholder]mqtt.label.port" style="width:55px">
</div>
<div class="form-row">
<input type="checkbox" id="node-config-input-usetls" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-config-input-usetls" style="width: auto" data-i18n="mqtt.label.use-tls"></label>
<div id="node-config-row-tls" class="hide">
<label style="width: auto; margin-left: 20px; margin-right: 10px;" for="node-config-input-tls"><span data-i18n="mqtt.label.tls-config"></span></label><input style="width: 300px;" type="text" id="node-config-input-tls">
</div>
</div>
<div class="form-row">
<label for="node-config-input-clientid"><i class="fa fa-tag"></i> <span data-i18n="mqtt.label.clientid"></span></label>
<input type="text" id="node-config-input-clientid" data-i18n="[placeholder]mqtt.placeholder.clientid">
</div>
<div class="form-row">
<label for="node-config-input-keepalive" style="width: auto"><i class="fa fa-clock-o"></i> <span data-i18n="mqtt.label.keepalive"></span></label>
<input type="text" id="node-config-input-keepalive" style="width: 50px">
<input type="checkbox" id="node-config-input-cleansession" style="margin-left: 30px; height: 1em;display: inline-block; width: auto; vertical-align: middle;">
<label for="node-config-input-cleansession" style="width: auto;" data-i18n="mqtt.label.cleansession"></label>
</div>
<div class="form-row">
<input type="checkbox" id="node-config-input-compatmode" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-config-input-compatmode" style="width: auto;" data-i18n="mqtt.label.compatmode"></label>
</div>
</div>
<div id="mqtt-broker-tab-security" style="display:none">
<div class="form-row">
<label for="node-config-input-user"><i class="fa fa-user"></i> <span data-i18n="common.label.username"></span></label>
<input type="text" id="node-config-input-user">
</div>
<div class="form-row">
<label for="node-config-input-password"><i class="fa fa-lock"></i> <span data-i18n="common.label.password"></span></label>
<input type="password" id="node-config-input-password">
</div>
</div>
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<div id="mqtt-broker-tab-messages" style="display:none">
<div id="mqtt-broker-section-birth">
<div class="palette-header">
<i class="fa fa-angle-down"></i><span data-i18n="mqtt.sections-label.birth-message"></span>
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</div>
<div class="section-content" style="padding:10px 0 0 10px">
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<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-birthTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-birthTopic" data-i18n="[placeholder]mqtt.placeholder.birth-topic">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-birthRetain"><i class="fa fa-history"></i> <span data-i18n="mqtt.label.retain"></span></label>
<select id="node-config-input-birthRetain" style="width:75px !important">
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<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-birthPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-birthPayload" style="width:300px" data-i18n="[placeholder]common.label.payload">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-birthQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-config-input-birthQos" style="width:75px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
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</div>
</div>
</div>
<div id="mqtt-broker-section-close">
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<div class="palette-header">
<i class="fa fa-angle-down"></i><span data-i18n="mqtt.sections-label.close-message"></span>
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</div>
<div class="section-content" style="padding:10px 0 0 10px">
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<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-closeTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-closeTopic" style="width:300px" data-i18n="[placeholder]mqtt.placeholder.close-topic">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-closeRetain"><i class="fa fa-history"></i> <span data-i18n="mqtt.label.retain"></span></label>
<select id="node-config-input-closeRetain" style="width:75px !important">
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<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-closePayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-closePayload" style="width:300px" data-i18n="[placeholder]common.label.payload">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-closeQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-config-input-closeQos" style="width:75px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
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</div>
</div>
</div>
<div id="mqtt-broker-section-will">
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<div class="palette-header">
<i class="fa fa-angle-down"></i><span data-i18n="mqtt.sections-label.will-message"></span>
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</div>
<div class="section-content" style="padding:10px 0 0 10px">
<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-willTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-willTopic" style="width:300px" data-i18n="[placeholder]mqtt.placeholder.will-topic">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-willRetain"><i class="fa fa-history"></i> <span data-i18n="mqtt.label.retain"></span></label>
<select id="node-config-input-willRetain" style="width:75px !important">
<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
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<label style="width: 100px !important;" for="node-config-input-willPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
<input style="width: calc(100% - 300px) !important" type="text" id="node-config-input-willPayload" style="width:300px" data-i18n="[placeholder]common.label.payload">
<label style="margin-left: 10px; width: 90px !important;" for="node-config-input-willQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-config-input-willQos" style="width:75px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
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</div>
</div>
</div>
</div>
</div>
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</script>
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<script type="text/x-red" data-help-name="mqtt-broker">
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<p>Configuration for a connection to an MQTT broker.</p>
<p>This configuration will create a single connection to the broker which can
then be reused by <code>MQTT In</code> and <code>MQTT Out</code> nodes.</p>
<p>The node will generate a random Client ID if one is not set and the
node is configured to use a Clean Session connection. If a Client ID is set,
it must be unique to the broker you are connecting to.</p>
<h4>Birth Message</h4>
<p>This is a message that will be published on the configured topic whenever the
connection is established.</p>
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<h4>Close Message</h4>
<p>This is a message that will be published on the configured topic before the
connection is closed normally, either by re-deploying the node, or by shutting down.</p>
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<h4>Will Message</h4>
<p>This is a message that will be published by the broker in the event the node
unexpectedly loses its connection.</p>
<h4>WebSockets</h4>
<p>The node can be configured to use a WebSocket connection. To do so, the Server
field should be configured with a full URI for the connection. For example:</p>
<pre>ws://example.com:4000/mqtt</pre>
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</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt-broker',{
category: 'config',
defaults: {
name: {value:""},
broker: {value:"",required:true},
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port: {value:1883,required:false,validate:RED.validators.number(true)},
tls: {type:"tls-config",required: false},
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clientid: {value:"", validate: function(v) {
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if ($("#node-config-input-clientid").length) {
// Currently editing the node
return $("#node-config-input-cleansession").is(":checked") || (v||"").length > 0;
} else {
return (this.cleansession===undefined || this.cleansession) || (v||"").length > 0;
}
}},
usetls: {value: false},
verifyservercert: { value: false},
compatmode: { value: true},
keepalive: {value:60,validate:RED.validators.number()},
cleansession: {value: true},
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birthTopic: {value:""},
birthQos: {value:"0"},
birthRetain: {value:false},
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birthPayload: {value:""},
closeTopic: {value:""},
closeQos: {value:"0"},
closeRetain: {value:false},
closePayload: {value:""},
willTopic: {value:""},
willQos: {value:"0"},
willRetain: {value:false},
willPayload: {value:""}
},
credentials: {
user: {type:"text"},
password: {type: "password"}
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},
label: function() {
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if (this.name) {
return this.name;
}
var b = this.broker;
if (b === "") { b = "undefined"; }
var lab = "";
lab = (this.clientid?this.clientid+"@":"")+b;
if (b.indexOf("://") === -1){
if (!this.port){ lab = lab + ":1883"; }
else { lab = lab + ":" + this.port; }
}
return lab;
},
oneditprepare: function () {
var tabs = RED.tabs.create({
id: "node-config-mqtt-broker-tabs",
onchange: function(tab) {
$("#node-config-mqtt-broker-tabs-content").children().hide();
$("#" + tab.id).show();
}
});
tabs.addTab({
id: "mqtt-broker-tab-connection",
label: this._("mqtt.tabs-label.connection")
});
tabs.addTab({
id: "mqtt-broker-tab-security",
label: this._("mqtt.tabs-label.security")
});
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tabs.addTab({
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id: "mqtt-broker-tab-messages",
label: this._("mqtt.tabs-label.messages")
});
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function setUpSection(sectionId, isExpanded) {
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var birthMessageSection = $(sectionId);
var paletteHeader = birthMessageSection.find('.palette-header');
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var twistie = paletteHeader.find('i');
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var sectionContent = birthMessageSection.find('.section-content');
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function toggleSection(expanded) {
twistie.toggleClass('expanded', expanded);
sectionContent.toggle(expanded);
}
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paletteHeader.click(function(e) {
e.preventDefault();
var isExpanded = twistie.hasClass('expanded');
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toggleSection(!isExpanded);
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});
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toggleSection(isExpanded);
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}
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// show first section if none are set so the user gets the idea
var showBirthSection = this.birthTopic !== ""
|| this.willTopic === ""
&& this.birthTopic === ""
&& this.closeTopic == "";
setUpSection('#mqtt-broker-section-birth', showBirthSection);
setUpSection('#mqtt-broker-section-close', this.closeTopic !== "");
setUpSection('#mqtt-broker-section-will', this.willTopic !== "");
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setTimeout(function() { tabs.resize(); },0);
if (typeof this.cleansession === 'undefined') {
this.cleansession = true;
$("#node-config-input-cleansession").prop("checked",true);
}
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if (typeof this.usetls === 'undefined') {
this.usetls = false;
$("#node-config-input-usetls").prop("checked",false);
}
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if (typeof this.compatmode === 'undefined') {
this.compatmode = true;
$("#node-config-input-compatmode").prop('checked', true);
}
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if (typeof this.keepalive === 'undefined') {
this.keepalive = 15;
$("#node-config-input-keepalive").val(this.keepalive);
}
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if (typeof this.birthQos === 'undefined') {
this.birthQos = "0";
$("#node-config-input-birthQos").val("0");
}
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if (typeof this.closeQos === 'undefined') {
this.willQos = "0";
$("#node-config-input-willQos").val("0");
}
if (typeof this.willQos === 'undefined') {
this.willQos = "0";
$("#node-config-input-willQos").val("0");
}
function updateTLSOptions() {
if ($("#node-config-input-usetls").is(':checked')) {
$("#node-config-row-tls").show();
} else {
$("#node-config-row-tls").hide();
}
}
updateTLSOptions();
$("#node-config-input-usetls").on("click",function() {
updateTLSOptions();
});
var node = this;
function updateClientId() {
if ($("#node-config-input-cleansession").is(":checked")) {
$("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid"));
} else {
$("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid-nonclean"));
}
$("#node-config-input-clientid").change();
}
setTimeout(updateClientId,0);
$("#node-config-input-cleansession").on("click",function() {
updateClientId();
});
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function updatePortEntry(){
var disabled = $("#node-config-input-port").prop("disabled");
if ($("#node-config-input-broker").val().indexOf("://") === -1){
if (disabled){
$("#node-config-input-port").prop("disabled", false);
}
}
else {
if (!disabled){
$("#node-config-input-port").prop("disabled", true);
}
}
}
$("#node-config-input-broker").change(function() {
updatePortEntry();
});
$("#node-config-input-broker").on( "keyup", function() {
updatePortEntry();
});
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setTimeout(updatePortEntry,50);
},
oneditsave: function() {
if (!$("#node-config-input-usetls").is(':checked')) {
$("#node-config-input-tls").val("");
}
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}
});
</script>