counter.html

<!--
  Copyright 2016 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="counter">
  <div class="form-row">
    <label for="node-input-start"><i class="fa fa-tasks"></i> Start Value</label>
    <input type="number" id="node-input-start">
  </div>
  <div class="form-row">
    <label for="node-input-increment"><i class="fa fa-tasks"></i> Increment</label>
    <input type="number" id="node-input-increment">
  </div>
  <div class="form-row">
    <label for="node-input-preset"><i class="fa fa-tasks"></i> Preset</label>
    <input type="number" id="node-input-preset">
  </div>
  <div class="form-row">
    <label for="node-input-presetTopic"><i class="fa fa-tasks"></i> Preset Topic</label>
    <input type="text" id="node-input-presetTopic" >
  </div>
  <div class="form-row">
    <label for="node-input-resetTopic"><i class="fa fa-tasks"></i> Reset Topic</label>
    <input type="text" id="node-input-resetTopic" >
  </div>
  <div class="form-row">
    <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
    <input type="text" id="node-input-name" placeholder="Name">
  </div>
</script>

<script type="text/x-red" data-help-name="counter">
  <p>A simple counter node</p>
  <p>This node increments/decrements a counter based on the payload of the
  input message. True increments, False decrements.</p>
  <p>The ammount the value changed is set by the increment field</p>
  <p>The counter can be reset to 0 by sending a message with the <i>Reset Topic</i><p>
  <p>A fixed preset value can also be configured, this is enabled/disbaled by sending 
  a boolean payload on the <i>Preset Topic</i>.</p>
</script>

<script type="text/javascript">
  RED.nodes.registerType('counter',{
    category: 'tools',
    defaults: {
      start: {value: 0, validate:RED.validators.number()},
      increment: {value: 1, validate:RED.validators.number()},
      preset: {value: 0, validate:RED.validators.number()},
      presetTopic: {value: 'preset/1', required: true},
      resetTopic: {value: 'reset/1', required: true},
      name: {}
    },
    inputs: 1,
    outputs: 1,
    label: "Counter",
    color: "gray",
    icon: "counter.png"
  });
</script>