/**
 * 下拉框弹出层的多选版本，toolbar带有若干按钮, zIndex在1000w
 * @class BI.MultiPopupView
 * @extends BI.Widget
 */

BI.MultiPopupView = BI.inherit(BI.PopupView, {

    _defaultConfig: function () {
        var conf = BI.MultiPopupView.superclass._defaultConfig.apply(this, arguments);
        return BI.extend(conf, {
            baseCls: (conf.baseCls || "") + " bi-multi-list-view",
            buttons: [BI.i18nText("BI-Basic_Sure")]
        })
    },

    _init: function () {
        BI.MultiPopupView.superclass._init.apply(this, arguments);
    },

    _createToolBar: function () {
        var o = this.options, self = this;
        if (o.buttons.length === 0) {
            return;
        }

        var text = [];          //构造[{text:content},……]
        BI.each(o.buttons, function (idx, item) {
            text.push({
                text: item,
                value: idx
            })
        });

        this.buttongroup = BI.createWidget({
            type: "bi.button_group",
            cls: "list-view-toolbar bi-border-top",
            height: 30,
            items: BI.createItems(text, {
                type: "bi.text_button",
                once: false,
                shadow: true,
                isShadowShowingOnSelected: true
            }),
            layouts: [{
                type: "bi.center",
                hgap: 0,
                vgap: 0
            }]
        });

        this.buttongroup.on(BI.ButtonGroup.EVENT_CHANGE, function (value, obj) {
            self.fireEvent(BI.MultiPopupView.EVENT_CLICK_TOOLBAR_BUTTON, value, obj);
        });

        return this.buttongroup;
    }

});

BI.MultiPopupView.EVENT_CHANGE = "EVENT_CHANGE";
BI.MultiPopupView.EVENT_CLICK_TOOLBAR_BUTTON = "EVENT_CLICK_TOOLBAR_BUTTON";

BI.shortcut("bi.multi_popup_view", BI.MultiPopupView);