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115 lines
2.9 KiB
JavaScript
115 lines
2.9 KiB
JavaScript
var nv = {
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version: '0.0.1a',
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dev: true //set false when in production
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};
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window.nv = nv;
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nv.tooltip = {}; // For the tooltip system
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nv.utils = {}; // Utility subsystem
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nv.models = {}; //stores all the possible models/components
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nv.charts = {}; //stores all the ready to use charts
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nv.graphs = []; //stores all the graphs currently on the page
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nv.logs = {}; //stores some statistics and potential error messages
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nv.dispatch = d3.dispatch('render_start', 'render_end');
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// ********************************************
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// Public Core NV functions
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nv.dispatch.on('render_start', function(e) {
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nv.logs.startTime = +new Date;
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});
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nv.dispatch.on('render_end', function(e) {
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nv.logs.endTime = +new Date;
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nv.logs.totalTime = nv.logs.endTime - nv.logs.startTime;
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if (nv.dev && console.log) console.log('total', nv.logs.totalTime); //used for development, to keep track of graph generation times
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});
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// ********************************************
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// Public Core NV functions
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// Logs all arguments, and returns the last so you can test things in place
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nv.log = function() {
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if (nv.dev && console.log) console.log.apply(console, arguments);
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return arguments[arguments.length - 1];
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}
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nv.render = function render(step) {
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step = step || 1; // number of graphs to generate in each timout loop
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render.active = true;
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nv.dispatch.render_start();
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setTimeout(function(){
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var chart;
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for (var i = 0; i < step && (graph = render.queue[i]); i++) {
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chart = graph.generate();
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if (typeof graph.callback === 'function') graph.callback(chart);
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nv.graphs.push(chart);
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}
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render.queue.splice(0, i);
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if (render.queue.length) setTimeout(arguments.callee, 0);
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else {
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nv.render.active = false;
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nv.dispatch.render_end();
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}
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}, 0);
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};
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nv.render.queue = [];
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nv.addGraph = function(obj) {
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if (typeof arguments[0] === 'function')
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obj = {generate: arguments[0], callback: arguments[1]};
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nv.render.queue.push(obj);
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if (!nv.render.active) nv.render();
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};
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nv.identity = function(d) { return d };
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nv.strip = function(s) { return s.replace(/(\s|&)/g,''); };
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function daysInMonth(month,year) {
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return (new Date(year, month+1, 0)).getDate();
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};
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function d3_time_range(floor, step, number) {
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return function(t0, t1, dt) {
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var time = floor(t0), times = [];
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if (time < t0) step(time);
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if (dt > 1) {
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while (time < t1) {
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var date = new Date(+time);
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if (!(number(date) % dt)) times.push(date);
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step(time);
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}
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} else {
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while (time < t1) times.push(new Date(+time)), step(time);
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}
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return times;
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};
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};
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d3.time.monthEnd = function(date) {
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return new Date(date.getFullYear(), date.getMonth(), 0);
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};
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d3.time.monthEnds = d3_time_range(d3.time.monthEnd, function(date) {
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date.setUTCDate(date.getUTCDate() + 1);
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date.setDate(daysInMonth(date.getMonth() + 1, date.getFullYear()));
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}, function(date) {
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return date.getMonth();
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}
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);
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