/**
 * 年份展示面板
 *
 * Created by GUY on 2015/9/2.
 * @class BI.YearPopup
 * @extends BI.Trigger
 */
BI.YearPopup = BI.inherit(BI.Widget, {

    _defaultConfig: function () {
        return BI.extend(BI.YearPopup.superclass._defaultConfig.apply(this, arguments), {
            baseCls: "bi-year-popup",
            behaviors: {},
            min: '1900-01-01', //最小日期
            max: '2099-12-31' //最大日期
        });
    },

    _createYearCalendar: function (v) {
        var o = this.options, y = this._year;

        var calendar = BI.createWidget({
            type: "bi.year_calendar",
            behaviors: o.behaviors,
            min: o.min,
            max: o.max,
            logic: {
                dynamic: true
            },
            year: y + v * 12
        });
        calendar.setValue(this._year);
        return calendar;
    },

    _init: function () {
        BI.YearPopup.superclass._init.apply(this, arguments);
        var self = this;

        this.selectedYear = this._year = Date.getDate().getFullYear();

        var backBtn = BI.createWidget({
            type: "bi.icon_button",
            cls: "pre-page-h-font",
            width: 25,
            height: 25,
            value: -1
        });

        var preBtn = BI.createWidget({
            type: "bi.icon_button",
            cls: "next-page-h-font",
            width: 25,
            height: 25,
            value: 1
        });

        this.navigation = BI.createWidget({
            type: "bi.navigation",
            element: this,
            single: true,
            logic: {
                dynamic: true
            },
            tab: {
                cls: "year-popup-navigation bi-high-light bi-border-top",
                height: 25,
                items: [backBtn, preBtn]
            },
            cardCreator: BI.bind(this._createYearCalendar, this),

            afterCardShow: function () {
                this.setValue(self.selectedYear);
                var calendar = this.getSelectedCard();
                backBtn.setEnable(!calendar.isFrontYear());
                preBtn.setEnable(!calendar.isFinalYear());
            }
        });

        this.navigation.on(BI.Navigation.EVENT_CHANGE, function () {
            self.selectedYear = this.getValue();
            self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
            self.fireEvent(BI.YearPopup.EVENT_CHANGE, self.selectedYear);
        });
    },

    getValue: function () {
        return this.selectedYear;
    },

    setValue: function (v) {
        var o = this.options;
        if (Date.checkVoid(v, 1, 1, o.min, o.max)[0]) {
            v = Date.getDate().getFullYear();
            this.selectedYear = "";
            this.navigation.setSelect(BI.YearCalendar.getPageByYear(v));
            this.navigation.setValue("");
        } else {
            this.selectedYear = v;
            this.navigation.setSelect(BI.YearCalendar.getPageByYear(v));
            this.navigation.setValue(v);
        }
    }
});
BI.YearPopup.EVENT_CHANGE = "EVENT_CHANGE";
BI.shortcut("bi.year_popup", BI.YearPopup);