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demo-vanilla.html
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demo-vanilla.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>FlowFuse Flow Renderer</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
div.flow-renderer {
width: 100%;
height: 320px;
}
#nr-flow-3 {
width: 100%;
height: 320px;
}
h1, h2, h3, h4, h5 {
margin-top: 20px;
margin-bottom: 4px;
}
</style>
<script type="module" src="./index.js"></script>
<!-- <script type="module" src="./index.min.js"></script> -->
</head>
<body>
<h3>FlowFuse Flow Renderer</h3>
<div>Vanilla client side demo</div>
<hr>
<!-- Add a multi-line input with mono font for the user to paste flow -->
<h3>Node-RED Flow</h3>
<textarea id="flow-input" rows="6" style="font-family: monospace; width: 100%;"></textarea>
<br>
<button id="render-flow">Render Flows</button>
<button id="clear-flow">Clear Flows</button>
<br>
<!-- Demo 1 -->
<h4>Render (grid, images, labels)</h4>
<div id="nr-flow-1" class="flow-renderer"></div>
<!-- Demo 2 -->
<h4>Render (no grid, no images, labels)</h4>
<div id="nr-flow-2" class="different-class" style="width: auto; height: 320px;"></div>
<!-- Demo 3 -->
<h4>Render (no grid, images, no labels, no auto layout) using data-options</h4>
<div id="nr-flow-3" data-grid-lines="false" data-labels="false" data-images data-auto-zoom="false" data-auto-scroll="false"></div>
<script type="module">
const renderer = new FlowRenderer()
const container1 = document.getElementById('nr-flow-1')
const container2 = document.getElementById('nr-flow-2')
const container3 = document.getElementById('nr-flow-3')
const userInput = document.getElementById('flow-input')
const renderButton = document.getElementById('render-flow')
const clearButton = document.getElementById('clear-flow')
// init the user input with the a demo flow
const demoFlow = [{"id":"6f432348c57a2fda","type":"tab","label":"Acme Office Monitoring","disabled":false,"info":"","env":[]},{"id":"d15519de378451ae","type":"tab","label":"Sys Info Gathering","disabled":false,"info":"","env":[]},{"id":"mqtt-topic-filter","type":"subflow","name":"topic filter","info":"## MQTT Topic filter\n\n### Description\nFilters messages based on the value of `msg.topic` using standard MQTT topic filter notation.\n* `#` match all\n* `+` match one level\n\n### example filters\n* `home/+/temperature` \n * will match `home/bedroom/temperature`\n * will match `home/livingroom/temperature`\n * will not match `home/room/1/temperature`\n * will not match `room/1/temperature`\n* `home/#` \n * will match `home/location`\n * will match `home/livingroom/temperature`\n * will match `home/livingroom/humidity`\n * will not match `room/1/temperature`\n\n\n### Outputs\n\n#### Output 1 - match\nMessages with a topic that matches the `topic filter` will be sent out this output.\n\n#### Output 2 - no match\nMessages with a topic that does not match the `topic filter` will be sent out this output to permit next level filtering\n","category":"function","in":[{"x":68,"y":80,"wires":[{"id":"c7fc11c3.07902"}]}],"out":[{"x":340,"y":48,"wires":[{"id":"c7fc11c3.07902","port":0}]},{"x":340,"y":96,"wires":[{"id":"c7fc11c3.07902","port":1}]}],"env":[{"name":"filter","type":"str","value":"","ui":{"label":{"en-US":"Topic filter"},"type":"input","opts":{"types":["str"]}}},{"name":"status","type":"bool","value":"true","ui":{"label":{"en-US":"Show topic"},"type":"input","opts":{"types":["bool"]}}}],"meta":{"type":"mqtt-topic-filter","version":"1.0.0","author":"steve-mcl","desc":"A node to filter MQTT topics","keywords":"mqtt","license":"MIT"},"color":"#D8BFD8","outputLabels":["Match","No Match"],"icon":"font-awesome/fa-filter","status":{"x":548,"y":160,"wires":[{"id":"519579c5.dfaec8","port":0},{"id":"4ce4687e.e359a8","port":0}]}},{"id":"3f7d1b85b6df80e7","type":"group","z":"6f432348c57a2fda","name":"Sub-1","style":{"stroke":"#3f93cf","fill":"#bfdbef","label":true},"nodes":["4d7649516480dcd6","b2ac43ee25b5d22e","9550399dd7be7346"],"x":364,"y":159,"w":462,"h":82},{"id":"bc14e4582a115cd6","type":"junction","z":"6f432348c57a2fda","x":360,"y":120,"wires":[["8abe21f57db87496"]]},{"id":"8abe21f57db87496","type":"junction","z":"6f432348c57a2fda","x":500,"y":120,"wires":[["a570708c83589e95"]]},{"id":"d7260e109d996e74","type":"mqtt-broker","name":"","broker":"localhost","port":"1883","clientid":"","autoConnect":true,"usetls":false,"protocolVersion":"5","keepalive":"60","cleansession":true,"autoUnsubscribe":true,"birthTopic":"","birthQos":"0","birthRetain":"false","birthPayload":"","birthMsg":{},"closeTopic":"","closeQos":"0","closeRetain":"false","closePayload":"","closeMsg":{},"willTopic":"","willQos":"0","willRetain":"false","willPayload":"","willMsg":{},"userProps":"","sessionExpiry":""},{"id":"c7fc11c3.07902","type":"function","z":"mqtt-topic-filter","name":"filter","func":"var a = msg.topic;\nvar b = env.get(\"filter\") || '#';\n\nif(a===b) { return [msg, null]; }\nif(b==='#') { \n if(a) return [msg, null]; //if topic is something, OK\n return [null, msg];//otherwise, fail!\n}\nvar nameSegments = a.split('/');\nvar filterSegments = b.split('/');\nfor (var i = 0; i < filterSegments.length; i++) {\n var topicSegment = nameSegments[i];\n var patternSegment = filterSegments[i];\n var match = false;\n if(topicSegment === patternSegment) { match = true; }\n if(patternSegment === '+') { match = true; }\n if(patternSegment === '#') { return [msg, null]; }\n if(match === false) { return [null, msg]; }\n}\nif(nameSegments.length !== filterSegments.length) { return [null, msg]; }\n\nreturn [msg, null];\n","outputs":2,"noerr":0,"initialize":"","finalize":"","x":192,"y":80,"wires":[[],[]]},{"id":"c52c30b1.8341","type":"inject","z":"mqtt-topic-filter","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":true,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":148,"y":160,"wires":[["45ee843e.ec4bbc"]]},{"id":"519579c5.dfaec8","type":"function","z":"mqtt-topic-filter","name":"","func":"var b = env.get(\"filter\") || '#';\nnode.status({text:b})\nmsg.payload = b;\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":428,"y":144,"wires":[[]]},{"id":"45ee843e.ec4bbc","type":"switch","z":"mqtt-topic-filter","name":"","property":"status","propertyType":"env","rules":[{"t":"true"},{"t":"else"}],"checkall":"true","repair":false,"outputs":2,"x":290,"y":160,"wires":[["519579c5.dfaec8"],["4ce4687e.e359a8"]]},{"id":"4ce4687e.e359a8","type":"function","z":"mqtt-topic-filter","name":"","func":"node.status({})\ndelete msg.payload;\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","x":428,"y":192,"wires":[[]]},{"id":"e6fdc46c489b1907","type":"subflow:mqtt-topic-filter","z":"6f432348c57a2fda","name":"topic filter: acme/office/+/temperature","env":[{"name":"filter","value":"acme/office/+/temperature","type":"str"}],"x":910,"y":40,"wires":[["bc9be11156983084"],["90ea33ea087b52a9"]]},{"id":"a89d83ca0c1d8eae","type":"subflow:mqtt-topic-filter","z":"6f432348c57a2fda","name":"topic filter: acme/office/+/humidity","env":[{"name":"filter","value":"acme/office/+/humidity","type":"str"}],"x":900,"y":120,"wires":[["b097e060d4d522ef"],["0ddf2631ec5926b9"]]},{"id":"90ea33ea087b52a9","type":"debug","z":"6f432348c57a2fda","name":"no match","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":1180,"y":60,"wires":[]},{"id":"5ea09cf892bf6edc","type":"inject","z":"6f432348c57a2fda","name":"office/main/temperature","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"office/main/temperature","payload":"","payloadType":"date","x":160,"y":80,"wires":[["bc14e4582a115cd6"]]},{"id":"4d7649516480dcd6","type":"link in","z":"6f432348c57a2fda","g":"3f7d1b85b6df80e7","name":"Sub-1","links":[],"x":405,"y":200,"wires":[["9550399dd7be7346"]]},{"id":"6e31c47c59b692f1","type":"mqtt in","z":"6f432348c57a2fda","name":"","topic":"acme/office/#","qos":"2","datatype":"auto-detect","broker":"d7260e109d996e74","nl":false,"rap":true,"rh":0,"inputs":0,"x":430,"y":40,"wires":[["a570708c83589e95"]]},{"id":"b2ac43ee25b5d22e","type":"link out","z":"6f432348c57a2fda","g":"3f7d1b85b6df80e7","name":"link out 1","mode":"return","links":[],"x":785,"y":200,"wires":[]},{"id":"0ddf2631ec5926b9","type":"debug","z":"6f432348c57a2fda","name":"no match","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":1180,"y":140,"wires":[]},{"id":"7b2fb29046e2f236","type":"inject","z":"6f432348c57a2fda","name":"office/east/temperature","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"office/east/temperature","payload":"","payloadType":"date","x":160,"y":160,"wires":[["bc14e4582a115cd6"]]},{"id":"c3e832515cd3d742","type":"inject","z":"6f432348c57a2fda","name":"office/main/humidity","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"office/main/humidity","payload":"","payloadType":"date","x":150,"y":120,"wires":[["bc14e4582a115cd6"]]},{"id":"b097e060d4d522ef","type":"http request","z":"6f432348c57a2fda","name":"upload to BMS","method":"POST","ret":"txt","paytoqs":"ignore","url":"http://localhost:8000/api/monitor","tls":"","persist":false,"proxy":"","insecureHTTPParser":false,"authType":"","senderr":false,"headers":[],"x":1200,"y":100,"wires":[[]]},{"id":"bc9be11156983084","type":"project link out","z":"6f432348c57a2fda","name":"To remote Node-RED","mode":"link","broadcast":false,"project":"c140b5c1-f849-4bf1-afa2-56ff5258606e","topic":"Send to device","x":1220,"y":20,"wires":[]},{"id":"5c48ef755b824759","type":"inject","z":"6f432348c57a2fda","name":"office/east/humidity","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"office/east/humidity","payload":"","payloadType":"date","x":150,"y":200,"wires":[["bc14e4582a115cd6"]]},{"id":"a570708c83589e95","type":"link call","z":"6f432348c57a2fda","name":"Call Sub-1","links":["4d7649516480dcd6"],"linkType":"static","timeout":"30","x":630,"y":80,"wires":[["e6fdc46c489b1907","a89d83ca0c1d8eae"]]},{"id":"9550399dd7be7346","type":"function","z":"6f432348c57a2fda","g":"3f7d1b85b6df80e7","name":"Update data","func":"\nreturn msg;","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":590,"y":200,"wires":[["b2ac43ee25b5d22e"]]},{"id":"83665dcc09ea7dce","type":"catch","z":"6f432348c57a2fda","name":"","scope":null,"uncaught":false,"x":980,"y":200,"wires":[["a5f9eb21cff43868"]]},{"id":"a5f9eb21cff43868","type":"debug","z":"6f432348c57a2fda","name":"Error","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":1170,"y":200,"wires":[]},{"id":"f20cc195076e206f","type":"comment","z":"6f432348c57a2fda","name":"Test data","info":"","x":220,"y":40,"wires":[]},{"id":"a3e0d15e30a38618","type":"inject","z":"d15519de378451ae","name":"Startup info","props":[{"p":"payload"},{"p":"payload.FF_INSTANCE_ID","v":"FF_INSTANCE_ID","vt":"env"},{"p":"payload.FF_INSTANCE_NAME","v":"FF_INSTANCE_NAME","vt":"env"},{"p":"payload.FF_DEVICE_ID","v":"FF_DEVICE_ID","vt":"env"},{"p":"payload.FF_DEVICE_NAME","v":"FF_DEVICE_NAME","vt":"env"}],"repeat":"","crontab":"","once":true,"onceDelay":0.1,"topic":"","payload":"{}","payloadType":"json","x":110,"y":140,"wires":[["e87eb922a018dfe9"]]},{"id":"e87eb922a018dfe9","type":"debug","z":"d15519de378451ae","name":"dump vars to console","active":true,"tosidebar":true,"console":true,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":350,"y":140,"wires":[]},{"id":"863284b7ee4f2777","type":"comment","z":"d15519de378451ae","name":"System Info Flow v1.1","info":"","x":140,"y":40,"wires":[]},{"id":"d0693b302dbdcb80","type":"inject","z":"d15519de378451ae","name":"cloud id","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"abcd-1234-abcd-1234-abcd","payload":"","payloadType":"date","x":130,"y":220,"wires":[["eca4b082e742449e"]]},{"id":"1f25cfca1421bfca","type":"inject","z":"d15519de378451ae","name":"device 1 id","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"L1xD1xT1x","payload":"","payloadType":"date","x":120,"y":260,"wires":[["eca4b082e742449e"]]},{"id":"a60e36a2ba6be21f","type":"debug","z":"d15519de378451ae","name":"sys info result","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":520,"y":240,"wires":[]},{"id":"1c8531ea3430cf50","type":"switch","z":"d15519de378451ae","name":"for me? for device? unknown?","property":"topic","propertyType":"msg","rules":[{"t":"eq","v":"FF_INSTANCE_ID","vt":"env"},{"t":"eq","v":"FF_DEVICE_ID","vt":"env"},{"t":"else"}],"checkall":"true","repair":false,"outputs":3,"x":370,"y":80,"wires":[["3dfba4cb62aa0313"],["3dfba4cb62aa0313"],["8b9f520c00fbf7ca"]]},{"id":"3dfba4cb62aa0313","type":"function","z":"d15519de378451ae","name":"getSystemInfo","func":"function getSystemInfo() {\n const cpuUsage = os.loadavg()[0]; // CPU usage (1-minute average)\n const totalMemory = os.totalmem(); // Total memory in bytes\n const freeMemory = os.freemem(); // Free memory in bytes\n const osName = os.type(); // Operating system name\n const osVersion = os.release(); // Operating system version\n\n return {\n cpuUsage,\n freeMemory,\n totalMemory,\n osName,\n osVersion\n };\n}\nmsg.payload = getSystemInfo()\nreturn msg;","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[{"var":"os","module":"os"}],"x":660,"y":60,"wires":[["888416a8bb047df7"]]},{"id":"eca4b082e742449e","type":"project link call","z":"d15519de378451ae","name":"","project":"caa25e31-24f0-4743-bb69-ff83c179d06d","topic":"get_details","timeout":"3","x":310,"y":240,"wires":[["a60e36a2ba6be21f"]]},{"id":"31b7f2e5961a8261","type":"project link in","z":"d15519de378451ae","name":"↓ get_details","project":"all","broadcast":false,"topic":"get_details","x":110,"y":80,"wires":[["1c8531ea3430cf50"]]},{"id":"888416a8bb047df7","type":"project link out","z":"d15519de378451ae","name":"return ↑","mode":"return","broadcast":false,"project":"7db963e4-6794-40f1-831f-b0920b2eba45","topic":"","x":860,"y":60,"wires":[]},{"id":"8b9f520c00fbf7ca","type":"debug","z":"d15519de378451ae","name":"unrecognised","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","statusVal":"","statusType":"auto","x":660,"y":100,"wires":[]},{"id":"d7b21f19adc79e82","type":"comment","z":"d15519de378451ae","name":"Manual call to get sys info","info":"","x":350,"y":200,"wires":[]}]
userInput.value = JSON.stringify(demoFlow, null, 0)
// render empty flows for initial display
renderAll([])
// hook up buttons
renderButton.addEventListener('click', () => {
const flow = JSON.parse(userInput.value)
renderAll(flow)
})
clearButton.addEventListener('click', () => {
renderAll([])
})
// render the flow in all containers
function renderAll(flow) {
renderer.renderFlows(flow, { container: container1 })
renderer.renderFlows(flow, { container: container2, gridLines: false, images: false })
renderer.renderFlows(flow, { container: container3, scope: 'nr-flow-3' })
}
</script>
</body>
</html>