/**
 * guy
 * 加载条
 * @type {*|void|Object}
 */
BI.LoadingBar = BI.inherit(BI.Single, {
    _defaultConfig: function () {
        var conf = BI.LoadingBar.superclass._defaultConfig.apply(this, arguments);
        return BI.extend( conf, {
            baseCls: (conf.baseCls || "") + " bi-loading-bar bi-tips",
            height: 30,
            handler: BI.emptyFn
        });
    },

    render: function () {
        var self = this;
        this.loaded = BI.createWidget({
            type: "bi.text_button",
            cls: "loading-text bi-list-item-simple",
            text: BI.i18nText("BI-Load_More"),
            width: 120,
            handler: this.options.handler
        });
        this.loaded.on(BI.Controller.EVENT_CHANGE, function (type) {
            self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
        });

        this.loading = BI.createWidget({
            type: "bi.layout",
            width: this.options.height,
            height: this.options.height,
            cls: "loading-background cursor-default"
        });
        var loaded = BI.createWidget({
            type: "bi.center_adapt",
            items: [this.loaded]
        });
        var loading = BI.createWidget({
            type: "bi.center_adapt",
            items: [this.loading]
        });
        this.cardLayout = BI.createWidget({
            type: "bi.card",
            element: this,
            items: [{
                el: loaded,
                cardName: "loaded"
            }, {
                el: loading,
                cardName: "loading"
            }]
        });
        this.invisible();
    },

    _reset: function () {
        this.visible();
        this.loaded.setText(BI.i18nText("BI-Load_More"));
        this.loaded.enable();
    },

    setLoaded: function () {
        this._reset();
        this.cardLayout.showCardByName("loaded");
    },

    setEnd: function () {
        this.setLoaded();
        this.loaded.setText(BI.i18nText("BI-No_More_Data"));
        this.loaded.disable();
    },

    setLoading: function () {
        this._reset();
        this.cardLayout.showCardByName("loading");
    }
});

BI.shortcut("bi.loading_bar", BI.LoadingBar);