node-red/nodes/io/31-tcpout.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

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  distributed under the License is distributed on an "AS IS" BASIS,
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<script type="text/x-red" data-template-name="tcp out">
    <div class="form-row">
        <label for="node-input-beserver"><i class="icon-resize-small"></i> Type</label>
        <select id="node-input-beserver" style="width:120px; margin-right:5px;">
            <option value="server">Listen on</option>
            <option value="client">Connect to</option>
        </select>
        port <input type="text" id="node-input-port" style="width: 50px">
    </div>
    
    <div class="form-row hidden" id="node-input-host-row" style="padding-left: 110px;"> 
        at host <input type="text" id="node-input-host" placeholder="localhost" style="width: 40%;">
    </div>

    <div class="form-row">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-base64" placeholder="base64" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-base64" style="width: 70%;">Decode Base64 message ?</label>
    </div>
    
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/x-red" data-help-name="tcp out">
	<p>Provides a choice of tcp outputs. Can either connect to a remote tcp port,
	or accept incoming connections.</p>
	<p>Only <b>msg.payload</b> is sent.</p>
	<p>If <b>msg.payload</b> is a string containing a base64 encoding of binary
	data, the Base64 decoding option will cause it to be converted back to binary
	before being sent.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('tcp out',{
        category: 'output',
        color:"Silver",
        defaults: {
            host: {value:"",validate:function(v) { return (this.beserver == "server")||v.length > 0;} },
            port: {value:"",required:true},
            beserver: {value:"client",required:true},
            base64: {value:false,required:true},
            name: {value:""}
        },
        inputs:1,
        outputs:0,
        icon: "bridge-dash.png",
        align: "right",
        label: function() {
            return this.name || "tcp:"+(this.host?this.host+":":"")+this.port;
        },
        labelStyle: function() {
            return (this.name)?"node_label_italic":"";
        },
        oneditprepare: function() {
            var updateOptions = function() {
                var sockettype = $("#node-input-beserver option:selected").val();
                if (sockettype == "client") {
                    $("#node-input-host-row").show();
                } else {
                    $("#node-input-host-row").hide();
                }
            };
            updateOptions();
            $("#node-input-beserver").change(updateOptions);
        }
    });
</script>