balanced/balanced-dashboard

import BaseFormFieldView from "./base-form-field";
import Constants from "balanced-dashboard/utils/constants";

var addEmptyField = function(allowEmpty, values) {
    if (allowEmpty) {
        values = [undefined].concat(values);
    }
    return values;
};

var DateSelectFormFieldView = BaseFormFieldView.extend({
    templateName: "form-fields/date-select-form-field",
    optionValuePath: "content.value",
    optionLabelPath: "content.label",

    startYear: 1920,
    endYear: new Date().getFullYear(),

    dateMonths: function() {
        return addEmptyField(this.get("allowEmpty"), Constants.TIME.MONTHS);
    }.property("allowEmpty"),
    dateYears: function() {
        var startYear = this.get("startYear");
        var endYear = this.get("endYear");

        var difference = endYear - startYear;
        var values = _.times(difference, function(i) {
            return endYear - i;
        });

        return addEmptyField(this.get("allowEmpty"), values);
    }.property("allowEmpty", "startYear", "endYear"),

    updateValue: function() {
        var month = this.get("month");
        var year = this.get("year");
        var value = "";

        if (month || year) {
            month = "00" + month;
            value = "%@-%@".fmt(this.get("year"), month.slice(-2));
        }
        return this.set("value", value);
    }.observes("month", "year"),

    value: function(a, value) {
        if (arguments.length > 1) {
            this.setModelValue(value);
        }
        return this.getModelValue();
    }.property("model", "field"),
});

export default DateSelectFormFieldView;