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Current File : /home/riacommer/public_html/admin/vendor/rickshaw/src/js/Rickshaw.Series.js

Rickshaw.namespace('Rickshaw.Series');

Rickshaw.Series = Rickshaw.Class.create( Array, {

	initialize: function (data, palette, options) {

		options = options || {};

		this.palette = new Rickshaw.Color.Palette(palette);

		this.timeBase = typeof(options.timeBase) === 'undefined' ? 
			Math.floor(new Date().getTime() / 1000) : 
			options.timeBase;

		var timeInterval = typeof(options.timeInterval) == 'undefined' ?
			1000 :
			options.timeInterval;

		this.setTimeInterval(timeInterval);

		if (data && (typeof(data) == "object") && Array.isArray(data)) {
			data.forEach( function(item) { this.addItem(item) }, this );
		}
	},

	addItem: function(item) {

		if (typeof(item.name) === 'undefined') {
			throw('addItem() needs a name');
		}

		item.color = (item.color || this.palette.color(item.name));
		item.data = (item.data || []);

		// backfill, if necessary
		if ((item.data.length === 0) && this.length && (this.getIndex() > 0)) {
			this[0].data.forEach( function(plot) {
				item.data.push({ x: plot.x, y: 0 });
			} );
		} else if (item.data.length === 0) {
			item.data.push({ x: this.timeBase - (this.timeInterval || 0), y: 0 });
		} 

		this.push(item);

		if (this.legend) {
			this.legend.addLine(this.itemByName(item.name));
		}
	},

	addData: function(data, x) {

		var index = this.getIndex();

		Rickshaw.keys(data).forEach( function(name) {
			if (! this.itemByName(name)) {
				this.addItem({ name: name });
			}
		}, this );

		this.forEach( function(item) {
			item.data.push({ 
				x: x || (index * this.timeInterval || 1) + this.timeBase, 
				y: (data[item.name] || 0) 
			});
		}, this );
	},

	getIndex: function () {
		return (this[0] && this[0].data && this[0].data.length) ? this[0].data.length : 0;
	},

	itemByName: function(name) {

		for (var i = 0; i < this.length; i++) {
			if (this[i].name == name)
				return this[i];
		}
	},

	setTimeInterval: function(iv) {
		this.timeInterval = iv / 1000;
	},

	setTimeBase: function (t) {
		this.timeBase = t;
	},

	dump: function() {

		var data = {
			timeBase: this.timeBase,
			timeInterval: this.timeInterval,
			items: []
		};

		this.forEach( function(item) {

			var newItem = {
				color: item.color,
				name: item.name,
				data: []
			};

			item.data.forEach( function(plot) {
				newItem.data.push({ x: plot.x, y: plot.y });
			} );

			data.items.push(newItem);
		} );

		return data;
	},

	load: function(data) {

		if (data.timeInterval) {
			this.timeInterval = data.timeInterval;
		}

		if (data.timeBase) {
			this.timeBase = data.timeBase;
		}

		if (data.items) {
			data.items.forEach( function(item) {
				this.push(item);
				if (this.legend) {
					this.legend.addLine(this.itemByName(item.name));
				}

			}, this );
		}
	}
} );

Rickshaw.Series.zeroFill = function(series) {
	Rickshaw.Series.fill(series, 0);
};

Rickshaw.Series.fill = function(series, fill) {

	var x;
	var i = 0;

	var data = series.map( function(s) { return s.data } );

	while ( i < Math.max.apply(null, data.map( function(d) { return d.length } )) ) {

		x = Math.min.apply( null, 
			data
				.filter(function(d) { return d[i] })
				.map(function(d) { return d[i].x })
		);

		data.forEach( function(d) {
			if (!d[i] || d[i].x != x) {
				d.splice(i, 0, { x: x, y: fill });
			}
		} );

		i++;
	}
};

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