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Current File : /home/riacommer/public_html/admin/vendor/rickshaw/src/js/Rickshaw.Graph.Axis.Time.js

Rickshaw.namespace('Rickshaw.Graph.Axis.Time');

Rickshaw.Graph.Axis.Time = function(args) {

	var self = this;

	this.graph = args.graph;
	this.elements = [];
	this.ticksTreatment = args.ticksTreatment || 'plain';
	this.fixedTimeUnit = args.timeUnit;

	var time = args.timeFixture || new Rickshaw.Fixtures.Time();

	this.appropriateTimeUnit = function() {

		var unit;
		var units = time.units;

		var domain = this.graph.x.domain();
		var rangeSeconds = domain[1] - domain[0];

		units.forEach( function(u) {
			if (Math.floor(rangeSeconds / u.seconds) >= 2) {
				unit = unit || u;
			}
		} );

		return (unit || time.units[time.units.length - 1]);
	};

	this.tickOffsets = function() {

		var domain = this.graph.x.domain();

		var unit = this.fixedTimeUnit || this.appropriateTimeUnit();
		var count = Math.ceil((domain[1] - domain[0]) / unit.seconds);

		var runningTick = domain[0];

		var offsets = [];

		for (var i = 0; i < count; i++) {

			var tickValue = time.ceil(runningTick, unit);
			runningTick = tickValue + unit.seconds / 2;

			offsets.push( { value: tickValue, unit: unit } );
		}

		return offsets;
	};

	this.render = function() {

		this.elements.forEach( function(e) {
			e.parentNode.removeChild(e);
		} );

		this.elements = [];

		var offsets = this.tickOffsets();

		offsets.forEach( function(o) {
			
			if (self.graph.x(o.value) > self.graph.x.range()[1]) return;
	
			var element = document.createElement('div');
			element.style.left = self.graph.x(o.value) + 'px';
			element.classList.add('x_tick');
			element.classList.add(self.ticksTreatment);

			var title = document.createElement('div');
			title.classList.add('title');
			title.innerHTML = o.unit.formatter(new Date(o.value * 1000));
			element.appendChild(title);

			self.graph.element.appendChild(element);
			self.elements.push(element);

		} );
	};

	this.graph.onUpdate( function() { self.render() } );
};

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