572 lines
21 KiB
JavaScript
572 lines
21 KiB
JavaScript
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var inited = false;
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module.exports = function(RED) {
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if (!inited) {
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inited = true;
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init(RED.server, RED.httpNode || RED.httpAdmin, RED.log, RED.settings);
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}
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return {
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add: add,
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addLink: addLink,
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addBaseConfig: addBaseConfig,
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emit: emit,
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emitSocket: emitSocket,
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toNumber: toNumber.bind(null, false),
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toFloat: toNumber.bind(null, true),
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updateUi: updateUi,
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ev: ev,
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getTheme: getTheme,
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getSizes: getSizes,
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isDark: isDark
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};
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};
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var fs = require('fs');
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var path = require('path');
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var events = require('events');
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var socketio = require('socket.io');
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var serveStatic = require('serve-static');
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var compression = require('compression')
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var dashboardVersion = require('./package.json').version;
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var baseConfiguration = {};
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var io;
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var menu = [];
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var globals = [];
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var settings = {};
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var updateValueEventName = 'update-value';
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var currentValues = {};
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var replayMessages = {};
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var removeStateTimers = {};
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var removeStateTimeout = 1000;
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var ev = new events.EventEmitter();
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var params = {};
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ev.setMaxListeners(0);
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// default manifest.json to be returned as required.
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var mani = {
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"name": "Node-RED Dashboard",
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"short_name": "Dashboard",
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"description": "A dashboard for Node-RED",
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"start_url": "./#/0",
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"background_color": "#910000",
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"theme_color": "#910000",
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"display": "standalone",
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"icons": [
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{"src":"icon192x192.png", "sizes":"192x192", "type":"image/png"},
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{"src":"icon120x120.png", "sizes":"120x120", "type":"image/png"},
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{"src":"icon64x64.png", "sizes":"64x64", "type":"image/png"}
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]
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}
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function toNumber(keepDecimals, config, input, old, m, s) {
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if (input === undefined) { return; }
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if (typeof input !== "number") {
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var inputString = input.toString();
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input = keepDecimals ? parseFloat(inputString) : parseInt(inputString);
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}
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if (s) { input = Math.round(Math.round(input/s)*s*10000)/10000; }
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return isNaN(input) ? config.min : input;
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}
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function emit(event, data) {
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io.emit(event, data);
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}
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function emitSocket(event, data) {
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if (data.hasOwnProperty("msg") && data.msg.hasOwnProperty("socketid") && (data.msg.socketid !== undefined)) {
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io.to(data.msg.socketid).emit(event, data);
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}
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else if (data.hasOwnProperty("socketid") && (data.socketid !== undefined)) {
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io.to(data.socketid).emit(event, data);
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}
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else {
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io.emit(event, data);
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}
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}
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function noConvert(value) {
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return value;
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}
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function beforeEmit(msg, value) {
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return { value:value };
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}
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function beforeSend(msg) {
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//do nothing
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}
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/* This is the handler for inbound msg from previous nodes...
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options:
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node - the node that represents the control on a flow
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control - the control to be added
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tab - tab config node that this control belongs to
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group - group name
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[emitOnlyNewValues] - boolean (default true).
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If true, it checks if the payload changed before sending it
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to the front-end. If the payload is the same no message is sent.
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[forwardInputMessages] - boolean (default true).
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If true, forwards input messages to the output
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[storeFrontEndInputAsState] - boolean (default true).
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If true, any message received from front-end is stored as state
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[convert] - callback to convert the value before sending it to the front-end
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[beforeEmit] - callback to prepare the message that is emitted to the front-end
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[convertBack] - callback to convert the message from front-end before sending it to the next connected node
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[beforeSend] - callback to prepare the message that is sent to the output
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*/
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function add(opt) {
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clearTimeout(removeStateTimers[opt.node.id]);
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delete removeStateTimers[opt.node.id];
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if (typeof opt.emitOnlyNewValues === 'undefined') {
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opt.emitOnlyNewValues = true;
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}
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if (typeof opt.forwardInputMessages === 'undefined') {
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opt.forwardInputMessages = true;
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}
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if (typeof opt.storeFrontEndInputAsState === 'undefined') {
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opt.storeFrontEndInputAsState = true;
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}
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opt.convert = opt.convert || noConvert;
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opt.beforeEmit = opt.beforeEmit || beforeEmit;
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opt.convertBack = opt.convertBack || noConvert;
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opt.beforeSend = opt.beforeSend || beforeSend;
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opt.control.id = opt.node.id;
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var remove = addControl(opt.tab, opt.group, opt.control);
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opt.node.on("input", function(msg) {
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if (typeof msg.enabled === 'boolean') {
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var state = replayMessages[opt.node.id];
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if (!state) { replayMessages[opt.node.id] = state = {id: opt.node.id}; }
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state.disabled = !msg.enabled;
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io.emit(updateValueEventName, state);
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}
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// remove res and req as they are often circular
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if (msg.hasOwnProperty("res")) { delete msg.res; }
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if (msg.hasOwnProperty("req")) { delete msg.req; }
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// Retrieve the dataset for this node
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var oldValue = currentValues[opt.node.id];
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// let any arriving msg.ui_control message mess with control parameters
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if (msg.ui_control && (typeof msg.ui_control === "object") && (!Array.isArray(msg.ui_control)) && (!Buffer.isBuffer(msg.ui_control) )) {
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var changed = {};
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for (var property in msg.ui_control) {
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if (msg.ui_control.hasOwnProperty(property) && opt.control.hasOwnProperty(property)) {
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if ((property !== "id")&&(property !== "type")&&(property !== "order")&&(property !== "name")&&(property !== "value")&&(property !== "label")&&(property !== "width")&&(property !== "height")) {
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opt.control[property] = msg.ui_control[property];
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changed[property] = msg.ui_control[property];
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}
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}
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}
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if (Object.keys(changed).length !== 0) {
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io.emit('ui-control', {control:changed, id:opt.node.id});
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}
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if (!msg.hasOwnProperty("payload")) { return; }
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}
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// Call the convert function in the node to get the new value
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// as well as the full dataset.
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var conversion = opt.convert(msg.payload, oldValue, msg, opt.control.step);
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// If the update flag is set, emit the newPoint, and store the full dataset
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var fullDataset;
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var newPoint;
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if ((typeof(conversion) === 'object') && (conversion.update !== undefined)) {
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newPoint = conversion.newPoint;
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fullDataset = conversion.updatedValues;
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}
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else if (conversion === undefined) {
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fullDataset = oldValue;
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newPoint = true;
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}
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else {
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// If no update flag is set, this means the conversion contains
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// the full dataset or the new value (e.g. gauges)
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fullDataset = conversion;
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}
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// If we have something new to emit
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if (newPoint !== undefined || !opt.emitOnlyNewValues || oldValue != fullDataset) {
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currentValues[opt.node.id] = fullDataset;
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// Determine what to emit over the websocket
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// (the new point or the full dataset).
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// Always store the full dataset.
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var toStore = opt.beforeEmit(msg, fullDataset);
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var toEmit;
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if ((newPoint !== undefined) && (typeof newPoint !== "boolean")) { toEmit = opt.beforeEmit(msg, newPoint); }
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else { toEmit = toStore; }
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var addField = function(m) {
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if (opt.control.hasOwnProperty(m) && opt.control[m] && opt.control[m].indexOf("{{") !== -1) {
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var a = opt.control[m].split("{{");
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a.shift();
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for (var i = 0; i < a.length; i++) {
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var b = a[i].split("}}")[0].trim();
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b.replace(/\"/g,'').replace(/\'/g,'');
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if (b.indexOf("|") !== -1) { b = b.split("|")[0]; }
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if (b.indexOf(" ") !== -1) { b = b.split(" ")[0]; }
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if (b.indexOf("?") !== -1) { b = b.split("?")[0]; }
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b.replace(/\(/g,'').replace(/\)/g,'');
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if (b.indexOf("msg.") >= 0) {
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b = b.split("msg.")[1];
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if (b.indexOf(".") !== -1) { b = b.split(".")[0]; }
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if (b.indexOf("[") !== -1) { b = b.split("[")[0]; }
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if (!toEmit.hasOwnProperty("msg")) { toEmit.msg = {}; }
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if (!toEmit.msg.hasOwnProperty(b) && msg.hasOwnProperty(b) && (msg[b] !== undefined)) {
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if (Buffer.isBuffer(msg[b])) { toEmit.msg[b] = msg[b].toString("binary"); }
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else { toEmit.msg[b] = JSON.parse(JSON.stringify(msg[b])); }
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}
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}
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else {
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if (b.indexOf(".") !== -1) { b = b.split(".")[0]; }
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if (b.indexOf("[") !== -1) { b = b.split("[")[0]; }
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if (!toEmit.hasOwnProperty(b) && msg.hasOwnProperty(b)) {
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if (Buffer.isBuffer(msg[b])) { toEmit[b] = msg[b].toString("binary"); }
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else { toEmit[b] = JSON.parse(JSON.stringify(msg[b])); }
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}
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}
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}
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}
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}
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// if label, format or color field is set to a msg property, emit that as well
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addField("label");
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addField("format");
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addField("color");
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addField("units");
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if (msg.hasOwnProperty("enabled")) { toEmit.disabled = !msg.enabled; }
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toEmit.id = toStore.id = opt.node.id;
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// Emit and Store the data
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//if (settings.verbose) { console.log("UI-EMIT",JSON.stringify(toEmit)); }
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emitSocket(updateValueEventName, toEmit);
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replayMessages[opt.node.id] = toStore;
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// Handle the node output
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if (opt.forwardInputMessages && opt.node._wireCount) {
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msg.payload = opt.convertBack(fullDataset);
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msg = opt.beforeSend(msg) || msg;
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//if (settings.verbose) { console.log("UI-SEND",JSON.stringify(msg)); }
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opt.node.send(msg);
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}
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}
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});
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// This is the handler for messages coming back from the UI
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var handler = function (msg) {
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if (msg.id !== opt.node.id) { return; } // ignore if not us
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if (settings.readOnly === true) {
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msg.value = currentValues[msg.id];
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} // don't accept input if we are in read only mode
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else {
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var converted = opt.convertBack(msg.value);
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if (opt.storeFrontEndInputAsState === true) {
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currentValues[msg.id] = converted;
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replayMessages[msg.id] = msg;
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}
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var toSend = {payload:converted};
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toSend = opt.beforeSend(toSend, msg) || toSend;
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toSend.socketid = toSend.socketid || msg.socketid;
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if (toSend.hasOwnProperty("topic") && (toSend.topic === undefined)) { delete toSend.topic; }
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if (!msg.hasOwnProperty("_fromInput")) { // TODO: too specific
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opt.node.send(toSend); // send to following nodes
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}
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}
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if (opt.storeFrontEndInputAsState === true) {
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//fwd to all UI clients
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io.emit(updateValueEventName, msg);
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}
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};
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ev.on(updateValueEventName, handler);
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return function() {
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ev.removeListener(updateValueEventName, handler);
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remove();
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removeStateTimers[opt.node.id] = setTimeout(function() {
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delete currentValues[opt.node.id];
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delete replayMessages[opt.node.id];
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}, removeStateTimeout);
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};
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}
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//from: https://stackoverflow.com/a/28592528/3016654
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function join() {
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var trimRegex = new RegExp('^\\/|\\/$','g');
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var paths = Array.prototype.slice.call(arguments);
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return '/'+paths.map(function(e) {
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if (e) { return e.replace(trimRegex,""); }
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}).filter(function(e) {return e;}).join('/');
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}
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function init(server, app, log, redSettings) {
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var uiSettings = redSettings.ui || {};
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if ((uiSettings.hasOwnProperty("path")) && (typeof uiSettings.path === "string")) {
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settings.path = uiSettings.path;
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}
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else { settings.path = 'ui'; }
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if ((uiSettings.hasOwnProperty("readOnly")) && (typeof uiSettings.readOnly === "boolean")) {
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settings.readOnly = uiSettings.readOnly;
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}
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else { settings.readOnly = false; }
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settings.defaultGroupHeader = uiSettings.defaultGroup || 'Default';
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settings.verbose = redSettings.verbose || false;
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var fullPath = join(redSettings.httpNodeRoot, settings.path);
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var socketIoPath = join(fullPath, 'socket.io');
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io = socketio(server, {path: socketIoPath});
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var dashboardMiddleware = function(req, res, next) { next(); }
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if (uiSettings.middleware) {
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if (typeof uiSettings.middleware === "function") {
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dashboardMiddleware = uiSettings.middleware;
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}
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}
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fs.stat(path.join(__dirname, 'dist/index.html'), function(err, stat) {
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app.use(compression());
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if (!err) {
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app.use( join(settings.path, "manifest.json"), function(req, res) { res.send(mani); });
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app.use( join(settings.path), dashboardMiddleware, serveStatic(path.join(__dirname, "dist")) );
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}
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else {
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log.info("[Dashboard] Dashboard using development folder");
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app.use(join(settings.path), dashboardMiddleware, serveStatic(path.join(__dirname, "src")));
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var vendor_packages = [
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'angular', 'angular-sanitize', 'angular-animate', 'angular-aria', 'angular-material', 'angular-touch',
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'angular-material-icons', 'svg-morpheus', 'font-awesome', 'weather-icons-lite',
|
||
|
|
'sprintf-js', 'jquery', 'jquery-ui', 'd3', 'raphael', 'justgage', 'angular-chart.js', 'chart.js',
|
||
|
|
'moment', 'angularjs-color-picker', 'tinycolor2', 'less'
|
||
|
|
];
|
||
|
|
vendor_packages.forEach(function (packageName) {
|
||
|
|
app.use(join(settings.path, 'vendor', packageName), serveStatic(path.join(__dirname, 'node_modules', packageName)));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
log.info("Dashboard version " + dashboardVersion + " started at " + fullPath);
|
||
|
|
|
||
|
|
io.on('connection', function(socket) {
|
||
|
|
ev.emit("newsocket", socket.client.id, socket.request.connection.remoteAddress);
|
||
|
|
updateUi(socket);
|
||
|
|
|
||
|
|
socket.on(updateValueEventName, ev.emit.bind(ev, updateValueEventName));
|
||
|
|
socket.on('ui-replay-state', function() {
|
||
|
|
var ids = Object.getOwnPropertyNames(replayMessages);
|
||
|
|
setTimeout(function() {
|
||
|
|
ids.forEach(function (id) {
|
||
|
|
socket.emit(updateValueEventName, replayMessages[id]);
|
||
|
|
});
|
||
|
|
}, 50);
|
||
|
|
socket.emit('ui-replay-done');
|
||
|
|
});
|
||
|
|
socket.on('ui-change', function(index) {
|
||
|
|
var name = "";
|
||
|
|
if ((index != null) && !isNaN(index) && (menu.length > 0) && (index < menu.length) && menu[index]) {
|
||
|
|
name = (menu[index].hasOwnProperty("header") && typeof menu[index].header !== 'undefined') ? menu[index].header : menu[index].name;
|
||
|
|
ev.emit("changetab", index, name, socket.client.id, socket.request.connection.remoteAddress, params);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
socket.on('ui-refresh', function() {
|
||
|
|
updateUi();
|
||
|
|
});
|
||
|
|
socket.on('disconnect', function() {
|
||
|
|
ev.emit("endsocket", socket.client.id, socket.request.connection.remoteAddress);
|
||
|
|
});
|
||
|
|
socket.on('ui-audio', function(audioStatus) {
|
||
|
|
ev.emit("audiostatus", audioStatus, socket.client.id, socket.request.connection.remoteAddress);
|
||
|
|
});
|
||
|
|
socket.on('ui-params', function(p) {
|
||
|
|
delete p.socketid;
|
||
|
|
params = p;
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
var updateUiPending = false;
|
||
|
|
function updateUi(to) {
|
||
|
|
if (!to) {
|
||
|
|
if (updateUiPending) { return; }
|
||
|
|
updateUiPending = true;
|
||
|
|
to = io;
|
||
|
|
}
|
||
|
|
process.nextTick(function() {
|
||
|
|
menu.forEach(function(o) {
|
||
|
|
o.theme = baseConfiguration.theme;
|
||
|
|
});
|
||
|
|
to.emit('ui-controls', {
|
||
|
|
site: baseConfiguration.site,
|
||
|
|
theme: baseConfiguration.theme,
|
||
|
|
menu: menu,
|
||
|
|
globals: globals
|
||
|
|
});
|
||
|
|
updateUiPending = false;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function find(array, predicate) {
|
||
|
|
for (var i=0; i<array.length; i++) {
|
||
|
|
if (predicate(array[i])) {
|
||
|
|
return array[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function itemSorter(item1, item2) {
|
||
|
|
if (item1.order === 0 && item2.order !== 0) {
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
else if (item1.order !== 0 && item2.order === 0) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
return item1.order - item2.order;
|
||
|
|
}
|
||
|
|
|
||
|
|
function addControl(tab, groupHeader, control) {
|
||
|
|
if (typeof control.type !== 'string') { return function() {}; }
|
||
|
|
|
||
|
|
// global template?
|
||
|
|
if (control.type === 'template' && control.templateScope === 'global') {
|
||
|
|
// add content to globals
|
||
|
|
globals.push(control);
|
||
|
|
updateUi();
|
||
|
|
|
||
|
|
// return remove function
|
||
|
|
return function() {
|
||
|
|
var index = globals.indexOf(control);
|
||
|
|
if (index >= 0) {
|
||
|
|
globals.splice(index, 1);
|
||
|
|
updateUi();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
groupHeader = groupHeader || settings.defaultGroupHeader;
|
||
|
|
control.order = parseFloat(control.order);
|
||
|
|
|
||
|
|
var foundTab = find(menu, function (t) {return t.id === tab.id });
|
||
|
|
if (!foundTab) {
|
||
|
|
foundTab = {
|
||
|
|
id: tab.id,
|
||
|
|
header: tab.config.name,
|
||
|
|
order: parseFloat(tab.config.order),
|
||
|
|
icon: tab.config.icon,
|
||
|
|
//icon: tab.config.hidden ? "fa-ban" : tab.config.icon,
|
||
|
|
disabled: tab.config.disabled,
|
||
|
|
hidden: tab.config.hidden,
|
||
|
|
items: []
|
||
|
|
};
|
||
|
|
menu.push(foundTab);
|
||
|
|
menu.sort(itemSorter);
|
||
|
|
}
|
||
|
|
|
||
|
|
var foundGroup = find(foundTab.items, function (g) {return g.header === groupHeader;});
|
||
|
|
if (!foundGroup) {
|
||
|
|
foundGroup = {
|
||
|
|
header: groupHeader,
|
||
|
|
items: []
|
||
|
|
};
|
||
|
|
foundTab.items.push(foundGroup);
|
||
|
|
}
|
||
|
|
foundGroup.items.push(control);
|
||
|
|
foundGroup.items.sort(itemSorter);
|
||
|
|
foundGroup.order = groupHeader.config.order;
|
||
|
|
foundTab.items.sort(itemSorter);
|
||
|
|
|
||
|
|
updateUi();
|
||
|
|
|
||
|
|
// Return the remove function for this control
|
||
|
|
return function() {
|
||
|
|
var index = foundGroup.items.indexOf(control);
|
||
|
|
if (index >= 0) {
|
||
|
|
// Remove the item from the group
|
||
|
|
foundGroup.items.splice(index, 1);
|
||
|
|
|
||
|
|
// If the group is now empty, remove it from the tab
|
||
|
|
if (foundGroup.items.length === 0) {
|
||
|
|
index = foundTab.items.indexOf(foundGroup);
|
||
|
|
if (index >= 0) {
|
||
|
|
foundTab.items.splice(index, 1);
|
||
|
|
|
||
|
|
// If the tab is now empty, remove it as well
|
||
|
|
if (foundTab.items.length === 0) {
|
||
|
|
index = menu.indexOf(foundTab);
|
||
|
|
if (index >= 0) {
|
||
|
|
menu.splice(index, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
updateUi();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function addLink(name, link, icon, order, target) {
|
||
|
|
var newLink = {
|
||
|
|
name: name,
|
||
|
|
link: link,
|
||
|
|
icon: icon,
|
||
|
|
order: order || 1,
|
||
|
|
target: target
|
||
|
|
};
|
||
|
|
|
||
|
|
menu.push(newLink);
|
||
|
|
menu.sort(itemSorter);
|
||
|
|
updateUi();
|
||
|
|
|
||
|
|
return function() {
|
||
|
|
var index = menu.indexOf(newLink);
|
||
|
|
if (index < 0) { return; }
|
||
|
|
menu.splice(index, 1);
|
||
|
|
updateUi();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function addBaseConfig(config) {
|
||
|
|
if (config) { baseConfiguration = config; }
|
||
|
|
mani.name = config.site ? config.site.name : "Node-RED Dashboard";
|
||
|
|
mani.short_name = mani.name.replace("Node-RED","").trim();
|
||
|
|
mani.background_color = config.theme.themeState["page-titlebar-backgroundColor"].value;
|
||
|
|
mani.theme_color = config.theme.themeState["page-titlebar-backgroundColor"].value;
|
||
|
|
updateUi();
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTheme() {
|
||
|
|
if (baseConfiguration && baseConfiguration.hasOwnProperty("theme") && (typeof baseConfiguration.theme !== "undefined") ) {
|
||
|
|
return baseConfiguration.theme.themeState;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return undefined;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function getSizes() {
|
||
|
|
if (baseConfiguration && baseConfiguration.hasOwnProperty("site") && (typeof baseConfiguration.site !== "undefined") && baseConfiguration.site.hasOwnProperty("sizes")) {
|
||
|
|
return baseConfiguration.site.sizes;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return { sx:48, sy:48, gx:6, gy:6, cx:6, cy:6, px:0, py:0 };
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function isDark() {
|
||
|
|
if (baseConfiguration && baseConfiguration.hasOwnProperty("theme") && baseConfiguration.theme.hasOwnProperty("themeState")) {
|
||
|
|
var rgb = parseInt(baseConfiguration.theme.themeState["page-sidebar-backgroundColor"].value.substring(1), 16);
|
||
|
|
var luma = 0.2126 * ((rgb >> 16) & 0xff) + 0.7152 * ((rgb >> 8) & 0xff) + 0.0722 * ((rgb >> 0) & 0xff); // per ITU-R BT.709
|
||
|
|
if (luma > 128) { return false; }
|
||
|
|
else { return true; }
|
||
|
|
}
|
||
|
|
else { return false; } // if in doubt - let's say it's light.
|
||
|
|
}
|