node-red-nodes/function/rbe/rbe.html

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<!--
Copyright 2014, 2015 IBM Corp.
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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
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="rbe">
<div class="form-row">
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<label for="node-input-func"><i class="fa fa-wrench"></i> <span data-i18n="rbe.label.func"></span></label>
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<select type="text" id="node-input-func" style="width:74%;">
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<option value="rbe" data-i18n="rbe.opts.rbe"></option>
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<option value="deadband" data-i18n="rbe.opts.deadband"></option>
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</select>
</div>
<div class="form-row" id="node-bandgap">
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<label for="node-input-gap">&nbsp;</label>
<input type="text" id="node-input-gap" data-i18n="[placeholder]rbe.placeholder.bandgap" style="width:71%;">
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</div>
<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"/> <span data-i18n="rbe.label.name"></span></label>
<input type="text" id="node-input-name" data-i18n="[placeholder]rbe.label.name" style="width:71%;">
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</div>
</script>
<script type="text/x-red" data-help-name="rbe">
<p>Report by Exception node - only passes on data if it has changed.</p>
<p>The node can either block until the <b>msg.payload</b> is
different to the previous one - <b>rbe</b> mode. Works on numbers and strings.</p>
<p>Or it can block until the value changes by a specified amount - <b>deadband</b> mode.</p>
<p>In deadband mode the incoming payload should contain a parseable <i>number</i> and is
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output only if greater than + or - the <i>band gap</i> away from the previous output.</p>
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<p>Deadband also supports % - only sends if the input differs by more than x% of the original value.</p>
<p><b>Note:</b> This works on a per <b>msg.topic</b> basis. This means that a single rbe node can
handle multiple topics at the same time.</p>
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</script>
<script type="text/javascript">
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RED.nodes.registerType("rbe", {
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color:"#E2D96E",
category: 'function',
defaults: {
name: {value:""},
func: {value:"rbe"},
gap: {value:"",validate:RED.validators.regex(/^(\d*[.]*\d*|)(%|)$/)}
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},
inputs:1,
outputs:1,
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icon: "rbe.png",
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label: function() {
return this.name||this.func||"rbe";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
//$( "#node-input-gap" ).spinner({min:0});
$("#node-input-func").on("change",function() {
if ($("#node-input-func").val() === "rbe") {
$("#node-bandgap").hide();
} else {
$("#node-bandgap").show();
}
});
}
});
</script>