node-red/nodes/core/io/22-websocket.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.
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  http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<!-- WebSocket Input Node -->
<script type="text/x-red" data-template-name="websocket in">
    <div class="form-row">
        <label for="node-input-server"><i class="icon-bookmark"></i> Path</label>
        <input type="text" id="node-input-server">
    </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="websocket in">
    <p>WebSocket input node. Uses the specified server configuration and outputs in response to a <i>'message'</i> event.</p>
    <p>Outputs an object called <b>msg</b> containing <b>msg.payload</b>.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('websocket in',{
        category: 'input',
        defaults: {
            name: {value:""},
            server: {type:"websocket-listener"}
        },
        color:"rgb(215, 215, 160)",
        inputs:0,
        outputs:1,
        icon: "white-globe.png",
        label: function() {
            var wsNode = RED.nodes.node(this.server);
            return this.name||(wsNode?"[ws] "+wsNode.label():"websocket");
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<!-- WebSocket out Node -->
<script type="text/x-red" data-template-name="websocket out">
    <div class="form-row">
        <label for="node-input-server"><i class="icon-bookmark"></i> Path</label>
        <input type="text" id="node-input-server">
    </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="websocket out">
    <p>WebSocket out node. Uses the specified server configuration to send the <b>msg.payload</b> to connected clients.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('websocket out',{
        category: 'output',
        defaults: {
            name: {value:""},
            server: {type:"websocket-listener", required:true}
        },
        color:"rgb(215, 215, 160)",
        inputs:1,
        outputs:0,
        icon: "white-globe.png",
        align: "right",
        label: function() {
            var wsNode = RED.nodes.node(this.server);
            return this.name||(wsNode?"[ws] "+wsNode.label():"websocket");
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<!-- WebSocket Server configuration node -->
<script type="text/x-red" data-template-name="websocket-listener">
    <div class="form-row">
        <label for="node-config-input-path"><i class="icon-bookmark"></i> Path</label>
        <input type="text" id="node-config-input-path" placeholder="/ws/example">
    </div>
    <div id="node-config-ws-tip" class="form-tips">This path will be relative to <code><span id="node-config-ws-path"></span></code>.</div>
</script>

<script type="text/x-red" data-help-name="websocket-listener">
   <p>This configuration node creates a WebSocket Server using the specified path</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('websocket-listener',{
        category: 'config',
        defaults: {
            path: {value:"",required:true,validate:RED.validators.regex(/^((?!\/debug\/ws).)*$/) }
        },
        inputs:0,
        outputs:0,
        label: function() {
            var root = document.location.pathname.slice(0,-1);
            root += this.path;
            return root;
        },
        oneditprepare: function() {
            var root = document.location.pathname.slice(0,-1);
            if (root == "") {
                $("#node-config-ws-tip").hide();
            } else {
                $("#node-config-ws-path").html(root);
                $("#node-config-ws-tip").show();
            }
            //document.getElementById("node-config-wsdocpath").innerHTML=
        }
    });
</script>