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rcn-frontserver/glob/script.js

128 lines
3.2 KiB
JavaScript

// -- Functions --
/**
* binds the data for each element
*/
function bindData(){
let mods = $('model');
mods.each(function(){
let model = $(this);
if (model.attr('refresh-interval') !== undefined) {
bindModelData(model);
setInterval(()=> { bindModelData(model) }, model.attr('refresh-interval'));
}
else bindModelData(model);
});
}
function bindModelData(model) {
$.get(model.attr('src'), function(data) {
$('*[model='+model.attr('name')+']').each(function() {
let elem = $(this);
let dat = getDataByPath(JSON.parse(data), elem.attr('datapath'));
this.setAttribute(":data", dat);
//elem.html();
})
});
}
/**
* Returns the data of an array by accessing the given path-string
* @param {Object} array Contains the data.
* @param {String} path The path to the wanted data.
* @return {Object} Returns anything that the path points to.
*/
function getDataByPath(array, path) {
let data = array;
path.split('.').forEach(function(p){
data = data[p];
});
return data;
}
/**
* Shows/Hides the sidebar action-menu
*/
function toggleActionMenu() {
let state = $('.mainview').attr("state");
if (state === "retracted") {
$('.mainview').attr("state", "fullsize");
} else {
$('.mainview').attr("state", "retracted");
}
}
/**
* Navigates inside the app
* @param view the targeted view
* @param title the title of the targtet that is displayed
*/
function navigate(view, title) {
if (view !== 'index.htm') window.location.hash = view;
else window.location.hash = "";
$('.content').load(view);
let sideTitle = title || view.replace(/\.htm/, '');
setTitle(sideTitle);
}
/**
* Sets the title that is displayed for the view
* @param title
*/
function setTitle(title) {
$('.navigationBar .title').html("<span>" + title + "</span>");
}
/**
* Draws a graph in a canvas element
* @param element
* @param data
* @param dimensions
* TODO: Draw background grid and x-values and control it via dimensions (rename it to options)
*/
function drawGraph(element, data, dimensions) {
let ctx = element.getContext('2d');
let canvWidth = element.width;
let canvHeight = element.height;
let xData = [];
let yData = [];
if (!dimensions) dimensions = {};
ctx.strokeStyle = $(element).css('color');
for (let dt of data) {
xData.push(dt[0]);
yData.push(dt[1]);
}
let xMax = dimensions.xMax || Math.max.apply(Math, xData);
let xMin = dimensions.xMin || Math.min.apply(Math, xData);
let yMax = dimensions.yMax || Math.max.apply(Math, yData);
let yMin = dimensions.yMin || Math.min.apply(Math, yData);
let xStep = canvWidth / (xMax - xMin);
let yStep = canvHeight / (yMax - yMin);
console.log(`yMax: ${yMax}; yMin: ${yMin}; ${JSON.stringify(dimensions)}`);
let x = 0;
let y = canvHeight;
if (data.length > 0) {
x = data[0][0];
y = data[0][1];
}
for (let dt of data) {
ctx.moveTo(x, y);
x = dt[0] * xStep;
y = canvHeight - ((dt[1] - yMin) * yStep);
ctx.lineTo(x, y);
ctx.stroke();
console.log(x, y);
}
}
// -- Events --
// Define what happens onLoad
$(document).ready(function(){
bindData();
});