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node-red/nodes/core/logic/16-range.html

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<!--
Copyright 2013 IBM Corp.
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="range">
<div class="form-row">
<label for="node-input-action"><i class="fa fa-dot-circle-o"></i> <span data-i18n="range.label.action"></span></label>
<select id="node-input-action" style="width:70%; margin-right:5px;">
<option value="scale" data-i18n="range.scale-payload"></option>
<option value="clamp" data-i18n="range.scale-limit"></option>
<option value="roll" data-i18n="range.scale-wrap"></option>
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</select>
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</div>
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<br/>
<div class="form-row"><i class="fa fa-sign-in"></i> <span data-i18n="range.label.inputrange"></span>:</div>
<div class="form-row"><label></label>
<span data-i18n="range.label.from"></span>: <input type="text" id="node-input-minin" data-i18n="[placeholder]range.label.eg0ph" style="width:100px;"/>
&nbsp;&nbsp;<span data-i18n="range.label.to"></span>: <input type="text" id="node-input-maxin" data-i18n="[placeholder]range.label.eg99ph" style="width:100px;"/>
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</div>
<div class="form-row"><i class="fa fa-sign-out"></i> <span data-i18n="range.label.resultrange"></span>:</div>
<div class="form-row"><label></label>
<span data-i18n="range.label.from"></span>: <input type="text" id="node-input-minout" data-i18n="[placeholder]range.label.eg0ph" style="width:100px;"/>
&nbsp;&nbsp;<span data-i18n="range.label.to"></span>: <input type="text" id="node-input-maxout" data-i18n="[placeholder]range.label.eg255ph" style="width:100px;"/>
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</div>
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<br/>
<div class="form-row"><label></label>
<input type="checkbox" id="node-input-round" style="display: inline-block; width: auto; vertical-align: top;">
<label style="width: auto;" for="node-input-round"><span data-i18n="range.label.roundresult"></span></label></input>
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</div>
<br/>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.nameph">
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</div>
<div class="form-tips" id="node-tip"><span data-i18n="range.tip"></span></div>
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</script>
<script type="text/x-red" data-help-name="range">
<p>A simple function node to remap numeric input values to another scale.</p>
<p>Currently only does a linear scaling.</p>
<p><b>Note:</b> This only operates on <b>numbers</b>. Anything else will try to be made into a number and rejected if that fails.</p>
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<p><i>Scale and limit to target range</i> means that the result will never be outside the range specified within the result range.</p>
<p><i>Scale and wrap within the target range</i> means that the result will essentially be a "modulo-style" wrap-around within the result range.</p>
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</script>
<script type="text/javascript">
RED.nodes.registerType('range', {
color: "#E2D96E",
category: 'function',
defaults: {
minin: {value:"",required:true,validate:RED.validators.number()},
maxin: {value:"",required:true,validate:RED.validators.number()},
minout: {value:"",required:true,validate:RED.validators.number()},
maxout: {value:"",required:true,validate:RED.validators.number()},
action: {value:"scale"},
round: {value:false},
name: {value:""}
},
inputs: 1,
outputs: 1,
icon: "range.png",
label: function() {
return this.name || this._("range.label.rangelabel");
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},
labelStyle: function() {
return this.name ? "node_label_italic" : "";
}
});
</script>