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@boisei0
Created June 16, 2020 09:59
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Super quick demo to show dynamic components on uibuilder v2; assumes `httpNodeRoot` is /.
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<!doctype html>
<!-- Note that adding an appcache really speeds things up after the first load
You need to amend the appcache file to meet your needs.
Don't forget to change the appcache file if you update ANY
of the files in it otherwise the old versions will ALWAYS be used.
<html lang="en" manifest="./uibuilder.appcache">
-->
<html lang="en">
<!--
This is the default, template html for uibuilder.
It is meant to demonstrate the use of VueJS & bootstrap-vue to dynamically
update the ui based on incoming/outgoing messages from/to the
Node-RED server.
You will want to alter this to suite your own needs. To do so,
copy this file to <userDir>/uibuilder/<url>/src.
-->
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, minimum-scale=1, initial-scale=1, user-scalable=yes">
<title>Node-RED UI Builder</title>
<meta name="description" content="Node-RED UI Builder - VueJS + bootstrap-vue version">
<link rel="icon" href="./images/node-blue.ico">
<!-- See https://goo.gl/OOhYW5 -->
<link rel="manifest" href="./manifest.json">
<meta name="theme-color" content="#3f51b5">
<!-- Used if adding to homescreen for Chrome on Android. Fallback for manifest.json -->
<meta name="mobile-web-app-capable" content="yes">
<meta name="application-name" content="Node-RED UI Builder">
<!-- Used if adding to homescreen for Safari on iOS -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Node-RED UI Builder">
<!-- Homescreen icons for Apple mobile use if required
<link rel="apple-touch-icon" href="./images/manifest/icon-48x48.png">
<link rel="apple-touch-icon" sizes="72x72" href="./images/manifest/icon-72x72.png">
<link rel="apple-touch-icon" sizes="96x96" href="./images/manifest/icon-96x96.png">
<link rel="apple-touch-icon" sizes="144x144" href="./images/manifest/icon-144x144.png">
<link rel="apple-touch-icon" sizes="192x192" href="./images/manifest/icon-192x192.png">
-->
<link type="text/css" rel="stylesheet" href="../uibuilder/vendor/bootstrap/dist/css/bootstrap.min.css" />
<link type="text/css" rel="stylesheet" href="../uibuilder/vendor/bootstrap-vue/dist/bootstrap-vue.css" />
</head>
<body>
<div id="app">
<b-container id="app_container">
<b-img src="./images/node-blue-192x192.png" rounded left v-bind="imgProps" alt="Blue Node-RED" class="mt-1 mr-2"></b-img>
<h1>
UIbuilder + Vue.js + bootstrap-vue for Node-RED
</h1>
<p>
This is a uibuilder example using <a href="https://vuejs.org/">Vue.js</a> as a front-end library.
See the
<a
href="https://github.com/TotallyInformation/node-red-contrib-uibuilder">node-red-contrib-uibuilder</a>
README for details on how to use UIbuilder.
</p>
<h2>Simple input using Vue</h2>
<b-form class="border p-3 m-2">
<p>
You can very simply create a form using Vue & bootstrap-vue.
The form sends data back to Node-RED.
Look at the <code>increment</code> method in <code>index.js</code> to see how easy this is.
</p>
<p>
<b-form-input v-model="inputText" type="text" placeholder="Enter some text to send to Node-RED"></b-form-input><br>
<b-form-checkbox v-model="inputChkBox">
To tick or not to tick? That is the question
</b-form-checkbox><br />
<b-button pill variant="primary" v-on:click="increment">Increment</b-button>
&nbsp;&nbsp;Click Counter: <b>{{counterBtn}}</b>.
</p>
<p>Click on the button to increment the counter. It sends the data dynamically back to Node-RED as well.</p>
</b-form>
<h2>Dynamic Data</h2>
<p>Uses Vue to dynamically update in response to messages from Node-RED.</p>
<p>
Check out the <code>mounted</code> function in <code>index.js</code> to See
how easy it is to update Vue data from Node-RED.
</p>
<b-card class="mt-3" header="Status" border-variant="info" header-bg-variant="info" header-text-variant="white" align="center" >
<p class="float-left">Socket.io Connection Status: <b>{{socketConnectedState}}</b></p>
<p class="float-right">Time offset between browser and server: <b>{{serverTimeOffset}}</b> hours</p>
</b-card>
<b-card class="mt-3" header="Normal Messages" border-variant="primary" header-bg-variant="primary" header-text-variant="white" align="left" >
<p>
Messages: Received=<b>{{msgsReceived}}</b>, Sent=<b>{{msgsSent}}</b>
</p>
<syntax-highlight prefix="Last Message Received = " :json="msgRecvd"></syntax-highlight>
<syntax-highlight prefix="Last Message Sent = " :json="msgSent"></syntax-highlight>
<p slot="footer" class="mb-0">
The received message is from the input to the uibuilder node.
The send message will appear out of port #1 of the node.
</p>
</b-card>
<b-card class="mt-3" header="Control Messages" border-variant="secondary" header-bg-variant="secondary" header-text-variant="white" align="left" >
<p>
Control Messages: Received=<b>{{msgsControl}}</b>, Sent=<b>{{msgsCtrlSent}}</b>
</p>
<syntax-highlight prefix="Last Control Message Received = " :json="msgCtrl"></syntax-highlight>
<syntax-highlight prefix="Last Control Message Sent = " :json="msgCtrlSent"></syntax-highlight>
<p slot="footer" class="mb-0">
Control messages always appear out of port #2 of the uibuilder node
whether they are from the server or the client. The <code>from</code> property
of the message tells you where it came from.
</p>
</b-card>
</b-container>
</div>
<!-- These MUST be in the right order. Note no leading / -->
<!-- REQUIRED: Socket.IO is loaded only once for all instances
Without this, you don't get a websocket connection -->
<script src="../uibuilder/vendor/socket.io/socket.io.js"></script>
<!-- Vendor Libraries - Load in the right order -->
<script src="../uibuilder/vendor/vue/dist/vue.js"></script> <!-- dev version with component compiler -->
<!-- <script src="../uibuilder/vendor/vue/dist/vue.min.js"></script> prod version with component compiler -->
<!-- <script src="../uibuilder/vendor/vue/dist/vue.runtime.min.js"></script> prod version without component compiler -->
<script src="../uibuilder/vendor/bootstrap-vue/dist/bootstrap-vue.js"></script>
<!-- HTTP Vue Loader -->
<script src="../uibuilder/vendor/http-vue-loader/src/httpVueLoader.js"></script>
<!-- REQUIRED: Sets up Socket listeners and the msg object -->
<!-- <script src="./uibuilderfe.js"></script> //dev version -->
<script src="./uibuilderfe.min.js"></script> <!-- //prod version -->
<!-- OPTIONAL: You probably want this. Put your custom code here -->
<script src="./index.js"></script>
</body>
</html>
/* jshint browser: true, esversion: 5, asi: true */
/*globals Vue, uibuilder */
// @ts-nocheck
/*
Copyright (c) 2019 Julian Knight (Totally Information)
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.
*/
'use strict'
/** @see https://github.com/TotallyInformation/node-red-contrib-uibuilder/wiki/Front-End-Library---available-properties-and-methods */
// eslint-disable-next-line no-unused-vars
var app1 = new Vue({
el: '#app',
data: {
startMsg : 'Vue has started, waiting for messages',
feVersion : '',
counterBtn : 0,
inputText : null,
inputChkBox : false,
socketConnectedState : false,
serverTimeOffset : '[unknown]',
imgProps : { width: 75, height: 75 },
msgRecvd : '[Nothing]',
msgsReceived: 0,
msgCtrl : '[Nothing]',
msgsControl : 0,
msgSent : '[Nothing]',
msgsSent : 0,
msgCtrlSent : '[Nothing]',
msgsCtrlSent: 0,
}, // --- End of data --- //
computed: {
hLastRcvd: function() {
var msgRecvd = this.msgRecvd
if (typeof msgRecvd === 'string') return 'Last Message Received = ' + msgRecvd
else return 'Last Message Received = ' + this.syntaxHighlight(msgRecvd)
},
hLastSent: function() {
var msgSent = this.msgSent
if (typeof msgSent === 'string') return 'Last Message Sent = ' + msgSent
else return 'Last Message Sent = ' + this.syntaxHighlight(msgSent)
},
hLastCtrlRcvd: function() {
var msgCtrl = this.msgCtrl
if (typeof msgCtrl === 'string') return 'Last Control Message Received = ' + msgCtrl
else return 'Last Control Message Received = ' + this.syntaxHighlight(msgCtrl)
},
hLastCtrlSent: function() {
var msgCtrlSent = this.msgCtrlSent
if (typeof msgCtrlSent === 'string') return 'Last Control Message Sent = ' + msgCtrlSent
//else return 'Last Message Sent = ' + this.callMethod('syntaxHighlight', [msgCtrlSent])
else return 'Last Control Message Sent = ' + this.syntaxHighlight(msgCtrlSent)
},
}, // --- End of computed --- //
methods: {
increment: function(event) {
console.log('Button Pressed. Event DatA: ', event)
// Increment the count by one
this.counterBtn = this.counterBtn + 1
var topic = this.msgRecvd.topic || 'uibuilder/vue'
uibuilder.send( {
'topic': topic,
'payload': {
'type': 'counterBtn',
'btnCount': this.counterBtn,
'message': this.inputText,
'inputChkBox': this.inputChkBox
}
} )
}, // --- End of increment --- //
// return formatted HTML version of JSON object
syntaxHighlight: function(json) {
json = JSON.stringify(json, undefined, 4)
json = json.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
json = json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
var cls = 'number'
if (/^"/.test(match)) {
if (/:$/.test(match)) {
cls = 'key'
} else {
cls = 'string'
}
} else if (/true|false/.test(match)) {
cls = 'boolean'
} else if (/null/.test(match)) {
cls = 'null'
}
return '<span class="' + cls + '">' + match + '</span>'
})
return json
}, // --- End of syntaxHighlight --- //
}, // --- End of methods --- //
// Available hooks: init,mounted,updated,destroyed
mounted: function(){
//console.debug('[indexjs:Vue.mounted] app mounted - setting up uibuilder watchers')
/** **REQUIRED** Start uibuilder comms with Node-RED @since v2.0.0-dev3
* Pass the namespace and ioPath variables if hosting page is not in the instance root folder
* The namespace is the "url" you put in uibuilder's configuration in the Editor.
* e.g. If you get continual `uibuilderfe:ioSetup: SOCKET CONNECT ERROR` error messages.
* e.g. uibuilder.start('uib', '/nr/uibuilder/vendor/socket.io') // change to use your paths/names
*/
uibuilder.start()
var vueApp = this
// Example of retrieving data from uibuilder
vueApp.feVersion = uibuilder.get('version')
/** You can use the following to help trace how messages flow back and forth.
* You can then amend this processing to suite your requirements.
*/
//#region ---- Trace Received Messages ---- //
// If msg changes - msg is updated when a standard msg is received from Node-RED over Socket.IO
// newVal relates to the attribute being listened to.
uibuilder.onChange('msg', function(newVal){
//console.info('[indexjs:uibuilder.onChange] msg received from Node-RED server:', newVal)
vueApp.msgRecvd = newVal
})
// As we receive new messages, we get an updated count as well
uibuilder.onChange('msgsReceived', function(newVal){
//console.info('[indexjs:uibuilder.onChange] Updated count of received msgs:', newVal)
vueApp.msgsReceived = newVal
})
// If we receive a control message from Node-RED, we can get the new data here - we pass it to a Vue variable
uibuilder.onChange('ctrlMsg', function(newVal){
//console.info('[indexjs:uibuilder.onChange:ctrlMsg] CONTROL msg received from Node-RED server:', newVal)
vueApp.msgCtrl = newVal
})
// Updated count of control messages received
uibuilder.onChange('msgsCtrl', function(newVal){
//console.info('[indexjs:uibuilder.onChange:msgsCtrl] Updated count of received CONTROL msgs:', newVal)
vueApp.msgsControl = newVal
})
//#endregion ---- End of Trace Received Messages ---- //
//#region ---- Trace Sent Messages ---- //
// You probably only need these to help you understand the order of processing //
// If a message is sent back to Node-RED, we can grab a copy here if we want to
uibuilder.onChange('sentMsg', function(newVal){
//console.info('[indexjs:uibuilder.onChange:sentMsg] msg sent to Node-RED server:', newVal)
vueApp.msgSent = newVal
})
// Updated count of sent messages
uibuilder.onChange('msgsSent', function(newVal){
//console.info('[indexjs:uibuilder.onChange:msgsSent] Updated count of msgs sent:', newVal)
vueApp.msgsSent = newVal
})
// If we send a control message to Node-RED, we can get a copy of it here
uibuilder.onChange('sentCtrlMsg', function(newVal){
//console.info('[indexjs:uibuilder.onChange:sentCtrlMsg] Control message sent to Node-RED server:', newVal)
vueApp.msgCtrlSent = newVal
})
// And we can get an updated count
uibuilder.onChange('msgsSentCtrl', function(newVal){
//console.info('[indexjs:uibuilder.onChange:msgsSentCtrl] Updated count of CONTROL msgs sent:', newVal)
vueApp.msgsCtrlSent = newVal
})
//#endregion ---- End of Trace Sent Messages ---- //
// If Socket.IO connects/disconnects, we get true/false here
uibuilder.onChange('ioConnected', function(newVal){
//console.info('[indexjs:uibuilder.onChange:ioConnected] Socket.IO Connection Status Changed to:', newVal)
vueApp.socketConnectedState = newVal
})
// If Server Time Offset changes
uibuilder.onChange('serverTimeOffset', function(newVal){
//console.info('[indexjs:uibuilder.onChange:serverTimeOffset] Offset of time between the browser and the server has changed to:', newVal)
vueApp.serverTimeOffset = newVal
})
}, // --- End of mounted hook --- //
components: {
'syntax-highlight': httpVueLoader('/uib-custom/components/JSONSyntaxHighlight.vue'),
}
}) // --- End of app1 --- //
// EOF
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