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ui-uplot-charts.js
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ui-uplot-charts.js
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/**
* Copyright 2021 Christian Meinert
*
* 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.
**/
var path = require('path');
const TimeTable = require('./lib/js/timeTable.cjs.js');
module.exports = function(RED) {
function HTML(config) {
var configAsJson = JSON.stringify(config, (key, value) => {
// exclude the node description
if (key === "info") {
return undefined;
}
// replace single quotation mark (apostrophe) by html code in strings
if (typeof (value) === "string") {
return value.replace(/'/g, '"');
}
// all others leave unchanged
return value;
}
);
//console.log(configAsJson);
var plugins = {};
config.plugins.forEach(element => {plugins[element.plugin] = element.enabled;})
var html;
html = String.raw`
<link rel="stylesheet" href="ui-uplot-charts/css/uPlot.min.css">
<script type='text/javascript' src='ui-uplot-charts/js/uPlot.iife.min.js'></script>
<script type='text/javascript' src='ui-uplot-charts/js/timeTable.umd.js'></script>
${(plugins.wheelPanZoomPlugin) ? "<script type='text/javascript' src='ui-uplot-charts/js/wheelZoomPlugin.umd.js'></script>" : ""}
${(plugins.touchZoomPlugin) ? "<script type='text/javascript' src='ui-uplot-charts/js/touchZoomPlugin.umd.js'></script>" : ""}
${(plugins.columnHighlightPlugin) ? "<script type='text/javascript' src='ui-uplot-charts/js/columnHighlightPlugin.umd.js'></script>" : ""}
${(plugins.legendAsTooltipPlugin) ? "<script type='text/javascript' src='ui-uplot-charts/js/legendAsTooltipPlugin.umd.js'></script>" : ""}
<div class="uplot-charts-container" id="uplot-charts-container-${config.id}" ng-init='init(` + configAsJson + `)'>
</div>
`;
return html;
}
function checkConfig(node, conf) {
if (!conf || !conf.hasOwnProperty("group")) {
_node?.error(RED._("ui_uplot-charts.error.no-group"));
return false;
}
return true;
}
var ui = undefined;
function uPlotUINode(config) {
var _console = console;
var node = this;
/**
* adds a value to a property if value identified as a function it will
* @param {object} destination object to add or update
* @param {string} param parameter to update
* @param {any} value value to be added
* @param {object} scope (optional) scope to bind to function
**/
function addValueOrFunction (destination,param,value, scope) {
if (typeof String.prototype.parseFunction != 'function') {
String.prototype.parseFunction = function () {
var funcReg = /function .*\(([^()]*)\)[ \n\t]*{(.*)}/gmi;
var match = funcReg.exec(this.replace(/\n/g, ' '));
if(match) {
match[2].replace(/\/\*[\s\S]*?\*\/|([^\\:]|^)\/\/.*$/gm, '$1'); // remove comments
return new Function(match[1].split(','), match[2]);
}
return null;
};
}
var valueFunction;
if (typeof value === "string" && (valueFunction = value.parseFunction())) {
if (scope!==undefined) {
destination[param]=valueFunction.bind(scope); // to enable this.send() for callback functions.
}
}
else destination[param]= value;
}
/**
* merge one objects into another
* @param {object} destination object to add or update
* @param {object} source source object
**/
function mergeObject (destination,source) {
for (var element in source) {
if (!destination[element]) destination[element]=(Array.isArray(source[element]))? [] : {};
if (typeof source[element] === "object") {
mergeObject(destination[element],source[element])
} else {
addValueOrFunction(destination,element,source[element]);
}
}
}
/**
* add item to an array of objects identified by a key
* @param {array} target array of objects
* @param {object} item object to add
* @param {string} key identifier to match existing
* @param {object} (optional) defaultObject if new
* @param {function (item,index)} (optional) callback if default object is added to manipulate individual values
**/
function addOrUpdateItem(target, item, key, defaultObject = {}, update) {
let index = target.findIndex(element => element[key] === item[key])
if (index<0) {
index = target.push({})-1;
mergeObject(target[index], defaultObject);
if (update!==undefined) update(target[index],index);
}
mergeObject(target[index],item);
return target[index];
}
/**
* converts HEX color value to rgba() css string
* @param {string} hexString array of objects
* @param {number} alpha (optional) alpha value (defined by alphaType)
* @param {number} alphaScale (optional) range of alpha i.e. 1,100,255 defaults to 100
**/
function HEXtoRGB (hexString, alpha, alphaScale = 100) {
let components = [];
for (let i = 1; i<hexString.length; i += 2) {
components.push(Number("0x" + hexString.substr(i,2)));
}
if (components.length === 3 && alpha !== undefined) {
components.push(alpha/alphaScale);
}
if (components.length < 4) {
return `rgb(${components[0]},${components[1]},${components[2]})`;
} else {
return `rgba(${components[0]},${components[1]},${components[2]},${components[3].toFixed(2)})`;
}
}
var defaultColors = config.defaultColors || ['#1F77B4', '#AEC7E8', '#FF7F0E', '#2CA02C', '#98DF8A', '#D62728', '#FF9896', '#9467BD', '#C5B0D5'];
const defaultSeries = {show:true, spanGaps:true, band: false, width: 2, dash: [], label:'unnamed',stroke:'rgba(255, 0, 0, 1)',fill:'rgba(255, 0, 0, 0)',path:'linear'}
const defaultAxesX12h = {
space: 40,
incrs: [
// minute divisors (# of secs)
1,
5,
10,
15,
30,
// hour divisors
60,
60 * 5,
60 * 10,
60 * 15,
60 * 30,
// day divisors
3600,
3600 * 24,
3600 * 24 * 28,
3600 * 24 * 365,
// ...
],
// [0]: minimum num secs in found axis split (tick incr)
// [1]: default tick format
// [2-7]: rollover tick formats
// [8]: mode: 0: replace [1] -> [2-7], 1: concat [1] + [2-7]
values: [
// tick incr default year month day hour min sec mode
[3600 * 24 * 365, "{YYYY}", "", "", "", "", "", "", 1],
[3600 * 24 * 28, "{MMM}", "\n{YYYY}", "", "", "", "", "", 1],
[3600 * 24, "{M}/{D}", "\n{YYYY}", "", "", "", "", "", 1],
[3600, "{h}{aa}", "\n{M}/{D}/{YY}", "", "\n{M}/{D}", "", "", "", 1],
[60, "{h}:{mm}{aa}", "\n{M}/{D}/{YY}", "", "\n{M}/{D}", "", "", "", 1],
[1, ":{ss}", "\n{M}/{D}/{YY} {h}:{mm}{aa}", "", "\n{M}/{D} {h}:{mm}{aa}", "", "\n{h}:{mm}{aa}", "", 1],
[0.001, ":{ss}.{fff}", "\n{M}/{D}/{YY} {h}:{mm}{aa}", "", "\n{M}/{D} {h}:{mm}{aa}", "", "\n{h}:{mm}{aa}", "", 1],
],
// splits:
};
const defaultAxesX24h = {
space: 40,
incrs: [
1,
5,
10,
15,
30,
60,
60 * 5,
60 * 10,
60 * 15,
60 * 30,
3600,
3600 * 24,
3600 * 24 * 28,
3600 * 24 * 365,
],
values: [
[3600 * 24 * 365, "{YYYY}", "", "", "", "", "", "", 1],
[3600 * 24 * 28, "{MMM}", "\n{YYYY}", "", "", "", "", "", 1],
[3600 * 24, "{DD}.{MM}", "\n{YYYY}", "", "", "", "", "", 1],
[3600, "{H}", "\n{DD}.{MM}.{YY}", "", "\n{DD}.{MM}", "", "", "", 1],
[60, "{H}:{mm}", "\n{DD}.{MM}.{YY}", "", "\n{DD}.{MM}", "", "", "", 1],
[1, "{ss}s", "\n{DD}.{MM}.{YY} {H}:{mm}", "", "\n{DD}.{MM} {H}:{mm}", "", "\n{H}:{mm}", "", 1],
[0.001, "{ss}.{fff}s", "\n{DD}.{MM}.{YY} {H}:{mm}", "", "\n{DD}.{MM} {H}:{mm}", "", "\n{H}:{mm}", "", 1],
],
// splits:
};
var limit = [];
try {
var _node = (config.debugServer) ? node : undefined;
if(ui === undefined) {
ui = RED.require("node-red-dashboard")(RED);
}
RED.nodes.createNode(this, config);
let result;
if (config.dataStore===undefined) {
config.dataStore = { context : "node" };
}
var contextObject =
(config.dataStore.context === 'global') ? this.context().global :
(config.dataStore.context === 'flow') ? this.context().flow :
this.context();
console.log(RED.settings.contextStorage,config.dataStore.store);
var contextId = config.dataStore.value || config.id.replace('.','');
var contextStore = (!RED.settings.contextStorage) ?
undefined :
(!config.dataStore.store || !Object.keys(RED.settings.contextStorage).includes(config.dataStore.store)) ?
RED.settings.contextStorage.default :
config.dataStore.store;
var contextData = contextObject.get(contextId,contextStore);
if (contextData === undefined) {
_node?.log(`data storage initialized context:"${config.dataStore.context}" property:"${contextId}" store:"${contextStore}"`);
contextData={};
contextData._tableContent=[[]];
contextData._tableRowMap={};
contextObject.set(contextId,contextData,contextStore);
}
contextData._config = RED.util.cloneMessage(config);
var chartTable = null;
contextData._tableContent = [[]];
if (contextData.hasOwnProperty('csv')) {
// _console?.log(contextData);
chartTable = new TimeTable(contextData._tableContent, contextData._tableRowMap);
chartTable.setLogger((config.debugServer) ? node : undefined);
chartTable.parseCSV(contextData.csv);
_node?.log(`restored from CSV ${contextData.csv.length} bytes row map ${JSON.stringify(contextData._tableRowMap)}`)
delete contextData.csv;
// insert defaults if series are not configured
Object.keys(contextData._tableRowMap).forEach ( topic => {
if (contextData._config.series.find(element => element.topic===topic) === undefined) {
_node?.log(`not configured "${topic}"" using defaults`);
addOrUpdateItem(contextData._config.series,{topic},'topic',defaultSeries,
(item,index) => {
let color = (defaultColors[index]!==undefined) ? defaultColors[index] : '#ff0000';
item.label = topic;
item.stroke = HEXtoRGB(color ,100);
item.fill = HEXtoRGB(color,30);
item.topicReadOnly = true;
}
);
}
});
} else {
if (contextData._tableContent===undefined) contextData._tableContent=[[]];
chartTable = new TimeTable(contextData._tableContent, contextData._tableRowMap);
chartTable.setLogger((config.debugServer) ? node : undefined);
}
contextData._tableContent=chartTable.remapRows(config.series.map(row => row.topic));
contextData._tableRowMap=chartTable.getRowMap(); // sync in row map
_node?.log(`restored ${chartTable.getWidth()} columns and ${chartTable.getHeight()} rows from context:"${config.dataStore.context}" property:"${contextId}" store:"${contextStore}" module:"${RED.settings.contextStorage?.[contextStore].module}"`);
result = chartTable.getSizes();
_node?.log(`${result.cellsUsed} in ${result.columns} ${result.memoryString} (${result.ratioPercent}) `);
result = chartTable.applyRules(config.dataPlugins);
_node?.log(`applyRules result:${result}`);
contextData._tableContent = chartTable.cleanTable();
result = chartTable.getWidth();
_node?.log(`cleanTable result:${result} columns in table`);
result = chartTable.setTimers(config.dataPlugins);
_node?.log(`setTimers result:${result}`);
// initialize by message data limitation plugins
config.dataPlugins.forEach(plugin => {
if (plugin.enabled && plugin.limitColumnsPeriods===0) {
limit.push({
plugin : plugin.plugin,
columns : plugin.columns,
every : plugin.limitColumnsEvery,
counter : 0,
rule : plugin,
})
}
})
result = chartTable.getSizes();
_node?.log(`${result.cellsUsed} used in ${result.columns} total cells. Memory ${result.memoryString} (usage ${result.ratioPercent}) `);
RED.httpAdmin.get("/uPlot/"+node.id, RED.auth.needsPermission('uplot.read'), function(req,res) {
_node?.log(`http request "${req.query.query}" fom ip: ${req.headers.host}`);
var returnItems = []; // list of Items to send back to the frontend
var config = req.query;
switch (config.query) {
case 'series':
if (chartTable.getHeight()>0) {
returnItems = contextData._config.series;
_console?.log('http request return:', Object.keys(returnItems).map(item => returnItems[item].label));
}
break;
case 'axesX':
switch (config.params) {
case '12h': returnItems = defaultAxesX12h; break;
case '24h': returnItems = defaultAxesX24h; break;
}
break;
case 'eraseData':
contextData._tableContent = [[]];
delete contextData.csv;
chartTable.setTable(contextData._tableContent,contextData._tableRowMap);
node.receive({payload:'R'}); // initialize replay of full dataset
returnItems = 'ok';
break;
case 'getSizes':
returnItems = chartTable.getSizes();
break;
case 'clean':
let oldColumnCount = chartTable.getWidth();
if (oldColumnCount>0) {
contextData._tableContent = chartTable.cleanTable();
let newColumnCount = chartTable.getWidth();
returnItems = `${oldColumnCount-newColumnCount} from ${oldColumnCount} columns deleted (${((1-newColumnCount/oldColumnCount)*100).toFixed(1)}%)`;
} else {
returnItems = 'database empty. no `clean` performed';
}
break;
default:
returnItems = `Error! query "${config.query}" unknown`;
break;
}
res.json(returnItems);
})
if (checkConfig(node, config)) {
// Add default values to older nodes (version 1.0.0)
config.stateField = config.stateField || 'payload';
config.enableField = config.enableField || 'enable';
config.width=parseInt(config.width);
config.height=parseInt(config.height);
var group = RED.nodes.getNode(config.group);
config.groupId = group.id;
var getSiteProperties = function () {
var opts = {}
opts.sizes = { sx: 48, sy: 48, gx: 4, gy: 4, cx: 4, cy: 4, px: 4, py: 4 }
opts.theme = {
'group-borderColor': {
value: "#097479"
}
}
if (typeof ui.getSizes === "function") {
if (ui.getSizes()) {
opts.sizes = ui.getSizes();
}
if (ui.getTheme()) {
opts.theme = ui.getTheme();
}
}
return opts
}
config.site = getSiteProperties();
var getUiControl = function () {
return {
}
}
config.ui_control = getUiControl();
/**
* calculate horizontal dimension in pixel out of grid units
* @param {number} gridX width in number of grids
* @return {number} dimension in pixel
**/
var getX = function(gridX) {
return ((gridX===0) ? 0 : parseInt(config.site.sizes.sx * gridX + config.site.sizes.cx * (gridX - 1)));
}
/**
* calculate vertical dimension in pixel out of grid units
* @param {number} gridY height in number of grids
* @return {number} dimension in pixel
**/
var getY = function(gridY) {
return ((gridY===0) ? 0 : parseInt(config.site.sizes.sy * gridY + config.site.sizes.cy * (gridY - 1)));
}
if (config.width==0) {config.width = group.config.width};
if (config.height==0) {config.height = group.config.width};
config.widgetProperties = {
x: getX(config.width)-12,
y: getY(config.height)-12, // square as default
};
chartTable.remapRows(config.series.map(item => item.topic)); // remap rows for deleted or reordered rows
node.on("input", function(msg) {
node.topi = msg.topic;
});
var sizes = ui.getSizes();
var html = HTML(config); // *REQUIRED* !!DO NOT EDIT!!
var done = ui.addWidget({ // *REQUIRED* !!DO NOT EDIT!!
type: 'chart',
label: config.label,
tooltip: config.tooltip,
node: node, // *REQUIRED* !!DO NOT EDIT!!
order: config.order, // *REQUIRED* !!DO NOT EDIT!!
group: config.group, // *REQUIRED* !!DO NOT EDIT!!
width: config.width, // *REQUIRED* !!DO NOT EDIT!!
height: config.height, // *REQUIRED* !!DO NOT EDIT!!
format: html, // *REQUIRED* !!DO NOT EDIT!!
templateScope: "local", // *REQUIRED* !!DO NOT EDIT!!
emitOnlyNewValues: false, // *REQUIRED* Edit this if you would like your node to only emit new values.
forwardInputMessages: false, // *REQUIRED* Edit this if you would like your node to forward the input message to it's ouput.
storeFrontEndInputAsState: false, // *REQUIRED* If the widget accepts user input - should it update the backend stored state ?
persistantFrontEndValue: true,
convertBack: function (value) {
// _console?.log('convertBack',value);
return value;
},
convert: function(value,fullDataset,msg,step) {
let timestamp = (msg.timestamp) ? msg.timestamp/1000 : Date.now()/1000;
let newRowFlag = false;
// _console?.log('convert',msg.payload);
if (msg.payload==='R') {
if (fullDataset===undefined) {
fullDataset = {msg:{}};
}
_node?.log(`replay rows:${chartTable.getHeight()} columns:${chartTable.getWidth()}`)
fullDataset.msg.fullDataset=chartTable.getCSV();
fullDataset.msg.rowMap=chartTable.getRowMap();
fullDataset.msg.seriesConfig=contextData._config.series;
return fullDataset;
}
var conversion = {
updatedValues: {
msg:{}
},
newPoint: {},
}
var stateValue;
var stateResult = [];
if (fullDataset) conversion.updatedValues = fullDataset;
if (!msg.topic || msg.topic=='') {
_node?.warn('Send a unique topic with your data to identify the row. Using "unknown" for now.');
msg.topic = "unknown";
}
if (!chartTable.hasRow(msg.topic)) {
_node?.log('New row detected! ', msg.topic);
newRowFlag = true;
// update temporary config
addOrUpdateItem(contextData._config.series,{topic:msg.topic},'topic',defaultSeries,
(item,index) => {
let color = (defaultColors[index]!==undefined) ? defaultColors[index] : '#ff0000';
item.label = msg.label || msg.topic || "unnamed";
item.stroke = HEXtoRGB(color ,100);
item.fill = HEXtoRGB(color,0);
item.topicReadOnly = true;
}
);
conversion.newPoint.newConfig={};
conversion.newPoint.newConfig.series = contextData._config.series;
}
try {
stateValue = RED.util.getMessageProperty(msg, config.stateField || "payload");
}
catch(err) {
_node?.warn('No or improper data received!')
return;
}
// let seriesIndex = -1;
switch (typeof stateValue) {
case 'string':
stateValue = parseFloat(stateValue);
case 'number':
stateResult.push({
id: (newRowFlag) ? msg.topic : undefined,
timestamp:timestamp,
value:stateValue,
index: chartTable.getRowIndex(msg.topic)
})
// seriesIndex = contextData._config.series.findIndex(value => value.topic === msg.topic);
// if (seriesIndex>0) contextData._config.series[seriesIndex].topicReadOnly = true;
break;
case 'object':
if (Array.isArray(stateValue)){
stateResult = stateValue;
} else {
stateResult.push(stateValue);
}
break;
default:
_node?.warn(`Improper data received! Type: ${typeof stateValue}! `,stateValue);
return;
}
conversion.newPoint.data = stateResult;
//conversion.newPoint.topic = msg.topic;
let addedValues = chartTable.addValues(timestamp,stateResult);
let removed = 0;
limit.forEach(limitRule => {
limitRule.counter++;
if (limitRule.counter >= limitRule.every) {
removed += chartTable[limitRule.plugin](limitRule.rule); // call limit function
limitRule.counter=0;
}
})
//_console?.log(`updated table ${addedValues} added ${(removed>0) ? removed + ' removed' : ''}`);
conversion.updatedValues.msg.rowMap = chartTable.getRowMap();
delete conversion.updatedValues.msg.fullDataset;
// conversion.updatedValues.msg.fullDataset = chartTable.getTable();
conversion.updatedValues.msg.tempConfig = contextData._config;
let text = '';
text += `${chartTable.getWidth()} cols ${chartTable.getHeight()} rows`;
text += `${((removed > 0) ? ' | -' + removed + "cols": '')}`;
node.status({fill:"green", shape:'dot', text:text});
conversion.update = true;
return conversion;
},
beforeEmit: function(msg, fullDataset) {
if (fullDataset!==undefined && fullDataset.hasOwnProperty('msg') && fullDataset.msg.hasOwnProperty('fullDataset')) {
_node?.log(`emit full dataset`);
delete fullDataset.socketid; //ToDO: Only replay full dataset to requesting client
return fullDataset
};
// _console?.log(`beforeEmit:`, msg, fullDataset);
var newMsg = fullDataset;
if (node._control && Object.keys(node._control).length > 0) {
newMsg._control = node._control
};
if (msg) {
// Copy the socket id from the original input message.
if (msg.socketid) newMsg.socketid = msg.socketid;
// _console?.log(`beforeEmit: (${msg.socketid})`, newMsg);
} else {
_console?.log('no Message',msg,fullDataset)
}
delete newMsg.topic
return { msg: newMsg };
},
beforeSend: function (msg, orig) {
//_console?.log('beforeSend:',msg,orig,config.outFormat);
if (orig) {
if (orig.msg.payload === 'R') {
node.receive(orig.msg);
return;
}
var newMsg = {};
// Store the switch state in the specified msg state field
RED.util.setMessageProperty(newMsg, config.stateField, orig.msg.state, true)
//orig.msg = newMsg;
node.status({fill:"red", shape:'dot', text:"message to send?"});
var topic = RED.util.evaluateNodeProperty(config.topic,config.topicType || "str",node,msg) || node.topi;
if (topic) { newMsg.topic = topic; }
return newMsg;
}
},
initController: function($scope, events) {
const defaultSeries = {show:true, spanGaps:true, width: 1, dash: [], label:'unnamed',stroke:'rgba(255, 0, 0, 1)',fill:'rgba(255, 0, 0, 0.3)'}
const defaultColors = ['#1F77B4', '#AEC7E8', '#FF7F0E', '#2CA02C', '#98DF8A', '#D62728', '#FF9896', '#9467BD', '#C5B0D5'];
const { linear, spline, stepped, bars } = uPlot.paths;
const _linear = linear();
const _points = ( () => null );
const _spline = spline();
const _stepBefore = stepped({align: -1});
const _stepAfter = stepped({align: 1});
const _bars = bars({size: [0.6, 100]});
var _console = console;
if (!$scope._data) { $scope._data = new TimeTable; }
var widgetDiv;
$scope.flag = true; // not sure if this is needed?
/**
* adds a value to a property if value identified as a function it will
* @param {object} destination object to add or update
* @param {string} param parameter to update
* @param {any} value value to be added
* @param {object} scope (optional) scope to bind to function
**/
function addValueOrFunction (destination,param,value, scope = this) {
if (typeof String.prototype.parseFunction != 'function') {
String.prototype.parseFunction = function () {
var funcReg = /function .*\(([^()]*)\)[ \n\t]*{(.*)}/gmi;
var noComments = this.replace(/\/\*[\s\S]*?\*\/|([^\\:]|^)\/\/.*$/gm, '$1'); // remove comments https://stackoverflow.com/questions/5989315/regex-for-match-replacing-javascript-comments-both-multiline-and-inline/15123777#15123777
var match = funcReg.exec(noComments.replace(/\n/g, ' '));
if(match) {
return new Function(match[1].split(','), match[2]);
}
return null;
};
}
var valueFunction;
if (typeof value === "string" && (valueFunction = value.parseFunction())) {
destination[param]=valueFunction.bind(scope); // to enable this.send() for callback functions.
}
else destination[param]= value;
}
/**
* merge one objects into another
* @param {object} destination object to add or uodate
* @param {object} source source object
**/
function mergeObject (destination,source) {
for (var element in source) {
if (!destination[element]) destination[element]=(Array.isArray(source[element]))? [] : {};
if (typeof source[element] === "object") {
mergeObject(destination[element],source[element])
} else {
addValueOrFunction(destination,element,source[element]);
}
}
}
var initVar = function(variable){
switch (typeof variable) {
case 'string': return "";
case 'number': return 0;
case 'boolean': return false;
case 'object':
if (Array.isArray(variable)) return [];
return {};
}
return null;
}
/**
* update chart and adjust zoom and pan if appropriate
*/
var updateChart = function() {
$scope.uPlot.batch(() => {
$scope.uPlot.setData($scope._data.getTable());
if ($scope.plugins.keepZoomLevelPlugin && $scope.plugins.keepZoomLevelPlugin.panWithData) {
let delta=$scope._data.getLastTimestamp()-$scope._data.getTimestamp()
if (delta>$scope.plugins.keepZoomLevelPlugin.initialPeriod || 0) {
let scaleDelta = $scope._data.getLastTimestamp()-$scope._data.getLastTimestamp(1);
_console?.log($scope.plugins.keepZoomLevelPlugin.initialPeriod,{scaleDelta,min:$scope.uPlot.scales.x.min,max:$scope.uPlot.scales.x.max});
$scope.uPlot.setScale("x", {
min: $scope.uPlot.scales.x.min + scaleDelta,
max: $scope.uPlot.scales.x.max + scaleDelta,
});
}
}
});
}
/**
* creates an instance of the uPlot.js widget
* - destroys existing instance
* @return {void}
*/
var createUPlot = function () {
_console?.log("create uPlot",$scope.opts,$scope._data.getTable());
if (!document.querySelector(widgetDiv)) {
let uplotDiv = document.createElement("div");
uplotDiv.setAttribute("class", 'uplot-charts-widget');
uplotDiv.setAttribute("style", `width:${$scope.config.widgetProperties.x}px;`); // height:${$scope.config.widgetProperties.y}px;
uplotDiv.setAttribute("id", 'ui_uplot_chart-' + $scope.$eval('$id'));
document.getElementById(`uplot-charts-container-${$scope.config.id}`).appendChild(uplotDiv);
}
if($scope.uPlot !== undefined) { $scope.uPlot.destroy(); }
$scope._data.setHeight($scope.opts.series.length-1); // adjust height of table
$scope.uPlot = uPlot($scope.opts,$scope._data.getTable(),document.querySelector(widgetDiv));
if ($scope.plugins.keepZoomLevelPlugin) {
let config = $scope.plugins.keepZoomLevelPlugin;
if (config.defaultZoom!==0) {
let timeNow = new Date();
let now = timeNow.getTime() / 1000;
let min = now - ((config.defaultZoom>0)? (config.defaultZoom * config.defaultZoomPeriod) : 0);
let max = now - ((config.defaultZoom>0)? 0 : (config.defaultZoom * config.defaultZoomPeriod));
config.initialPeriod=max-min;
$scope.uPlot.setScale("x", {min,max});
_console?.log(`initial zoom ${min}:${max} start:${timeNow.getHours()}:${timeNow.getMinutes()}.${timeNow.getSeconds()} + ${config.defaultZoom * config.defaultZoomPeriod}s`)
}
}
}
var addPlugins = function (opt,plugins) {
$scope.plugins={};
plugins.forEach(plugin => {
if (plugin.enabled) {
$scope.plugins[plugin.plugin]=plugin;
switch (plugin.plugin) {
case 'wheelPanZoomPlugin':
if (!opt.plugins) opt.plugins=[];
opt.plugins.push(wheelZoomPlugin({factor:plugin.factor}));
break;
case 'touchZoomPlugin':
if (!opt.plugins) opt.plugins=[];
opt.plugins.push(touchZoomPlugin());
break;
case 'legendAsTooltipPlugin':
if (!opt.plugins) opt.plugins=[];
opt.plugins.push(legendAsTooltipPlugin({style:{backgroundColor:plugin.background, color:plugin.text}}));
break;
case 'columnHighlightPlugin':
if (!opt.plugins) opt.plugins=[];
opt.plugins.push(columnHighlightPlugin({style:{backgroundColor:plugin.highlight}}));
break;
}
}
})
}
var buildScales = function (opt,scales) {
if (scales && Array.isArray(scales) && scales.length>0) {
opt.scales = {};
for (let scale of scales) {
if (!opt.scales[scale.id]) opt.scales[scale.id]={};
Object.keys(scale).forEach(key => {
switch(key) {
case 'id':
// ignore this property
break;
case 'min':
if (!scale.auto) {
if (!opt.scales[scale.id].range) opt.scales[scale.id].range=[];
opt.scales[scale.id].range[0]=scale.min;
}
break;
case 'max':
if (!scale.auto) {
if (!opt.scales[scale.id].range) opt.scales[scale.id].range=[];
opt.scales[scale.id].range[1]=scale.max;
}
break;
default:
if (!opt.scales[scale.id][key]) opt.scales[scale.id][key]= initVar(scale[key]);
if (typeof scale[key] === 'object') {
mergeObject(opt.scales[scale.id][key],scale[key]);
} else {
opt.scales[scale.id][key]=scale[key]; // ToDo: initialitze callback functions correctly
}
break;
}
});
}
}
}
var buildAxes = function (opt,axes,axesX = {}) {
if (axes && Array.isArray(axes) && axes.length>0) {
opt.axes = [];
if (!opt.axes[0]) opt.axes[0]={}
mergeObject(opt.axes[0],axesX);
axes.forEach((item,index) => {
if (item.side<4) {
if (!opt.axes[index+1]) opt.axes[index+1]={}
mergeObject(opt.axes[index+1],item);
if (opt.axes[index+1].side===0) delete opt.axes[index+1].side;
} else {
delete item.side;
delete item.scale;
mergeObject(opt.axes[0],item);
}
})
}
}
var deleteDefaults = function (element) {
if (typeof element === 'object') {
Object.keys(element).forEach(key => {
if (typeof element[key] === 'object') {
deleteDefaults (element[key]);
} else {
if (element[key]==='default') {
delete element[key];
}
}
})
}
}
var translateProperties = function (element,def) {
if (typeof element === 'object') {
Object.keys(element).forEach(key => {
if (typeof element[key] === 'object') {
translateProperties (element[key], def[key]);
} else {
if (def[key]!==undefined) {
if (typeof def[key] === 'object') {
element[def[key].property] = def[key].translate(element[key]);
if (def[key].property !== key) delete element[key];
} else if (def[key]!==key) {
element[def[key]] = element[key];
delete element[key];
}
} else {
delete element[key];
}
}
})
}
}
var flattenObject = function (element) {
var hadChildren = false;
if (typeof element === 'object') {
Object.keys(element).forEach(key => {
if (typeof element[key] === 'object') {
hadChildren = true;
Object.keys(element[key]).forEach (child => {
element[child] = element[key][child];
})
delete element[key];
}
});
if (hadChildren) flattenObject(element); // check if there are more children
}
}
var buildSeries = function (opt,series) {
if (series && Array.isArray(series) && series.length>0) {
opt.series = [];
series.forEach(element => {
deleteDefaults(element);
if (element.hasOwnProperty('points')) {
translateProperties(element.points, {
fillColor : "fill",
strokeColor : "stroke",
showType : {
property : "show",
translate : input => {
let result;
switch (input) {
case 'show': result = true; break;
case 'hide': result = false;
}
return result;
},
},
dimensions : {
size : "size",
width : "width"
}
})
flattenObject(element.points);
}
if (element.hasOwnProperty('legend') && element.legendType === 'function') {
addValueOrFunction (element,'value',element.legend);
};
let index = opt.series.push(element)-1;
switch (element.path) {
case 'linear': opt.series[index].paths = _linear; break;
case 'points':
opt.series[index].lineInterpolation = null;
opt.series[index].paths = _points; break;
case 'spline': opt.series[index].paths = _spline; break;
case 'stepBefore': opt.series[index].paths = _stepBefore; break;
case 'stepAfter': opt.series[index].paths = _stepAfter; break;
case 'bars': opt.series[index].paths = bars({size: [0.8, 100], align: 0}); break;
default:
_console?.warn(`Series definition of ${element.topic} path definition ${element.path} invalid!`);
delete opt.series[index].path;
break;
}
if (typeof opt.series[index].scale !== 'string') delete opt.series[index].scale;
});
opt.series.unshift({});
} else {
opt.series=[];
}
_console?.log('build series', opt.series);
}
var buildBands = function (opt,plugins) {
if (plugins && Array.isArray(plugins) && plugins.length>0) {
plugins.forEach(plugin=>{
if (plugin.plugin==='bands') {
if (!opt.bands) opt.bands = [];
let from = $scope._data.getRowIndex(plugin.from);
let to = $scope._data.getRowIndex(plugin.to);
_console?.log(`band from: ${from}:"${plugin.from}" to ${to}:"${plugin.to}" `);
if (from !== undefined && to !== undefined) {
opt.bands.push({
series: [from,to],
fill:plugin.fill
})
} else {
_console?.warn(`Bands definition invalid: ${plugin.from} ${(from===undefined) ? 'not found' : 'ok'} ${plugin.to} ${(to===undefined) ? 'not found' : 'ok'}`)
}
}
});
}
//_console?.log(' result',opt.bands);
}
$scope.init = function (config) {
if (!config.debugClient) { _console = undefined };
_console?.log('uPlot init',config);
if ($scope._data === undefined) {
$scope._data = new TimeTable;
}
$scope._data.setLogger((config.debugClient) ? console : undefined);
$scope.config = config;
$scope.config.timePeriod = parseInt(config.removeOlderUnit) * parseInt(config.removeOlder);
$scope.config.maxPoints = parseInt(config.removeOlderPoints);
widgetDiv = '#ui_uplot_chart-' + $scope.$eval('$id');
let heightExtra = 0;
heightExtra += ($scope.config.spaceForTitle>0) ? parseInt($scope.config.spaceForTitle) : 50;
heightExtra += ($scope.config.spaceForLegend>0) ? parseInt($scope.config.spaceForLegend) : 50;
$scope.opts = {
title: $scope.config.title,
id: widgetDiv,
width: $scope.config.widgetProperties.x,
height: $scope.config.widgetProperties.y - heightExtra,
};
addPlugins($scope.opts,$scope.config.plugins)
buildSeries($scope.opts,$scope.config.series);
buildScales($scope.opts,$scope.config.scales);
buildAxes($scope.opts,$scope.config.axes,$scope.config.axesX);
buildBands($scope.opts,$scope.config.plugins);
$scope._data.setLimits($scope.config.dataPlugins);
createUPlot();
_console?.log('uPlot initialized > asking for replay');
$scope.send({payload:"R"});
$scope.waitingForReplay = true;
setTimeout(() => {$scope.waitingForReplay = false},5000);
let result = $scope._data.setTimers(config.dataPlugins, true);
_console?.log(`setTimers result:${result}`);
};
$scope.$watch('msg', function(msg) {
if (!msg) { return; } // Ignore undefined msg
if (!msg.hasOwnProperty('fullDataset') && $scope._data.getWidth()<1) {
if (!$scope.waitingForReplay) {
_console?.log('uPlot first Message > asking for replay');
$scope.send({payload:"R"});
$scope.waitingForReplay = true;
setTimeout(() => {$scope.waitingForReplay = false},5000);
} else {
_console?.log('uPlot first Message > waiting for replay');
}
return;
}
if (msg.hasOwnProperty('config')) {
if (msg.config.hasOwnProperty('series')) {buildSeries($scope.opts,msg.config.series);}
createUPlot();
}
if (msg.hasOwnProperty('fullDataset')) {
$scope._data.parseCSV(msg.fullDataset);
$scope._data.setRowMap(msg.rowMap);
_console?.log('uPlot fullDataset received:',$scope._data.getTable(),$scope._data.getRowMap());
if (msg.hasOwnProperty('seriesConfig')) {buildSeries($scope.opts,msg.seriesConfig);}
buildBands($scope.opts,$scope.config.plugins);
createUPlot();
return;
} else {
// _console?.log('uPlot dataPoint received:',msg);
if (msg.hasOwnProperty('data')) {
$scope._data.addValues(msg.timestamp,msg.data);
$scope.config.series.forEach(series => {