106 lines
3.3 KiB
JavaScript
106 lines
3.3 KiB
JavaScript
var DaysTicker, ONE_DAY, SingleIntervalTicker, _, copy_date, date_range_by_month, last_month_no_later_than, p, util,
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extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
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hasProp = {}.hasOwnProperty;
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_ = require("underscore");
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SingleIntervalTicker = require("./single_interval_ticker");
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util = require("./util");
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p = require("../../core/properties");
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copy_date = util.copy_date;
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last_month_no_later_than = util.last_month_no_later_than;
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ONE_DAY = util.ONE_DAY;
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date_range_by_month = function(start_time, end_time) {
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var date, dates, end_date, prev_end_date, start_date;
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start_date = last_month_no_later_than(new Date(start_time));
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end_date = last_month_no_later_than(new Date(end_time));
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prev_end_date = copy_date(end_date);
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end_date.setUTCMonth(end_date.getUTCMonth() + 1);
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dates = [];
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date = start_date;
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while (true) {
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dates.push(copy_date(date));
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date.setUTCMonth(date.getUTCMonth() + 1);
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if (date > end_date) {
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break;
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}
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}
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return dates;
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};
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DaysTicker = (function(superClass) {
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extend(DaysTicker, superClass);
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function DaysTicker() {
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return DaysTicker.__super__.constructor.apply(this, arguments);
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}
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DaysTicker.prototype.type = 'DaysTicker';
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DaysTicker.define({
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days: [p.Array, []]
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});
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DaysTicker.prototype.initialize = function(attrs, options) {
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var days, interval;
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attrs.num_minor_ticks = 0;
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DaysTicker.__super__.initialize.call(this, attrs, options);
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days = this.get('days');
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interval = days.length > 1 ? (days[1] - days[0]) * ONE_DAY : 31 * ONE_DAY;
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return this.set('interval', interval);
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};
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DaysTicker.prototype.get_ticks_no_defaults = function(data_low, data_high, desired_n_ticks) {
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var all_ticks, date, day_dates, days, days_of_month, interval, month_dates, ticks_in_range;
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month_dates = date_range_by_month(data_low, data_high);
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days = this.get('days');
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days_of_month = (function(_this) {
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return function(month_date, interval) {
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var dates, day, day_date, future_date, i, len;
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dates = [];
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for (i = 0, len = days.length; i < len; i++) {
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day = days[i];
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day_date = copy_date(month_date);
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day_date.setUTCDate(day);
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future_date = new Date(day_date.getTime() + (interval / 2));
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if (future_date.getUTCMonth() === month_date.getUTCMonth()) {
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dates.push(day_date);
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}
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}
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return dates;
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};
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})(this);
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interval = this.get('interval');
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day_dates = _.flatten((function() {
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var i, len, results;
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results = [];
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for (i = 0, len = month_dates.length; i < len; i++) {
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date = month_dates[i];
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results.push(days_of_month(date, interval));
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}
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return results;
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})());
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all_ticks = _.invoke(day_dates, 'getTime');
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ticks_in_range = _.filter(all_ticks, (function(tick) {
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return (data_low <= tick && tick <= data_high);
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}));
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return {
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"major": ticks_in_range,
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"minor": []
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};
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};
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return DaysTicker;
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})(SingleIntervalTicker.Model);
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module.exports = {
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Model: DaysTicker
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};
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