devextreme/dist/transpiled/ui/tree_list/ui.tree_list.columns_controller.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var isDefined = require("../../core/utils/type").isDefined,
    treeListCore = require("./ui.tree_list.core"),
    columnsControllerModule = require("../grid_core/ui.grid_core.columns_controller");

exports.ColumnsController = columnsControllerModule.controllers.columns.inherit(function () {
    return {
        _getFirstItems: function _getFirstItems(dataSourceAdapter) {
            return this.callBase(dataSourceAdapter).map(function (node) {
                return node.data;
            });
        },
        getFirstDataColumnIndex: function getFirstDataColumnIndex() {
            var visibleColumns = this.getVisibleColumns(),
                visibleColumnsLength = visibleColumns.length,
                firstDataColumnIndex = 0;

            for (var i = 0; i <= visibleColumnsLength - 1; i++) {
                if (!isDefined(visibleColumns[i].command)) {
                    firstDataColumnIndex = visibleColumns[i].index;
                    break;
                }
            }

            return firstDataColumnIndex;
        }
    };
}());

treeListCore.registerModule("columns", {
    defaultOptions: columnsControllerModule.defaultOptions,
    controllers: {
        columns: exports.ColumnsController
    }
});