/**
 *
 * @class BI.MultiTreeCheckPane
 * @extends BI.Pane
 */
BI.MultiTreeCheckPane = BI.inherit(BI.Pane, {

    constants: {
        height: 25,
        lgap: 10,
        tgap: 5
    },

    _defaultConfig: function () {
        return BI.extend(BI.MultiTreeCheckPane.superclass._defaultConfig.apply(this, arguments), {
            baseCls: "bi-multi-tree-check-pane bi-background",
            onClickContinueSelect: BI.emptyFn,
            el: {
                type: "bi.display_tree"
            }
        });
    },

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

        var self = this, opts = this.options;

        this.selectedValues = {};

        var continueSelect = BI.createWidget({
            type: "bi.text_button",
            title: BI.i18nText("BI-Continue_Select"),
            text: BI.i18nText("BI-Continue_Select"),
            cls: "multi-tree-check-selected"
        });
        continueSelect.on(BI.TextButton.EVENT_CHANGE, function () {
            opts.onClickContinueSelect();
            BI.nextTick(function () {
                self.empty();
            });
        });

        var backToPopup = BI.createWidget({
            type: "bi.vertical_adapt",
            columnSize: ['fill', 'auto'],
            cls: "multi-tree-continue-select",
            items: [
                {
                    el: {
                        type: "bi.label",
                        title: BI.i18nText("BI-Selected_Data"),
                        text: BI.i18nText("BI-Selected_Data")
                    },
                    lgap: this.constants.lgap,
                    tgap: this.constants.tgap
                },
                {
                    el: continueSelect,
                    hgap: this.constants.lgap,
                    tgap: this.constants.tgap
                }]
        });

        this.display = BI.createWidget(opts.el, {
            type: "bi.display_tree",
            cls: "bi-multi-tree-display",
            itemsCreator: function (op, callback) {
                op.type = BI.TreeView.REQ_TYPE_GET_SELECTED_DATA;
                opts.itemsCreator(op, callback);
            },
            value: (opts.value || {}).value
        });

        this.display.on(BI.Events.AFTERINIT, function () {
            self.fireEvent(BI.Events.AFTERINIT);
        });

        this.display.on(BI.TreeView.EVENT_INIT, function () {
            backToPopup.setVisible(false);
        });

        this.display.on(BI.TreeView.EVENT_AFTERINIT, function () {
            backToPopup.setVisible(true);
        });

        BI.createWidget({
            type: "bi.vtape",
            element: this,
            items: [{
                height: this.constants.height,
                el: backToPopup
            }, {
                height: "fill",
                el: this.display
            }]
        });
    },

    empty: function () {
        this.display.empty();
    },

    populate: function (configs) {
        this.display.stroke(configs);
    },

    setValue: function (v) {
        v || (v = {});
        this.display.setSelectedValue(v.value);
    },

    getValue: function () {

    }
});

BI.MultiTreeCheckPane.EVENT_CONTINUE_CLICK = "EVENT_CONTINUE_CLICK";


BI.shortcut("bi.multi_tree_check_pane", BI.MultiTreeCheckPane);