@progress/kendo-ui/js/kendo.checkboxgroup.js

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

require('./kendo.core.js');
require('./kendo.inputgroupbase.js');
require('./kendo.checkbox.js');
require('./kendo.licensing.js');
require('@progress/kendo-licensing');
require('./kendo.toggleinputbase.js');
require('./kendo.html.input.js');
require('./kendo.html.base.js');

const __meta__ = {
    id: "checkboxgroup",
    name: "CheckBoxGroup",
    category: "web",
    description: "The CheckBoxGroup component.",
    depends: [ "core", "inputgroupbase", "checkbox" ]
};

(function($, undefined$1) {
    var kendo = window.kendo,
        ui = kendo.ui,
        InputGroupBase = ui.InputGroupBase,
        CHANGE = "change",
        DOT = ".",
        CHECKED = "checked",
        VERTICAL = "vertical",
        AFTER = "after";

    var CheckBoxGroup = InputGroupBase.extend({
        options: {
            name: "CheckBoxGroup",
            inputName: "",
            inputRounded: "medium",
            inputSize: "medium",
            enabled: true,
            labelPosition: AFTER,
            layout: VERTICAL,
            items: []
        },

        ITEM_TEMPLATE: '<li class="k-checkbox-list-item">' +
            '<input type="checkbox" class="k-checkbox" >' +
        '</li>',

        NS: ".kendoCheckBoxGroup",

        COMPONENT: "kendoCheckBox",

        groupStyles: {
            item: "k-checkbox-list-item",
            input: "k-checkbox",
            label: "k-checkbox-label",
            list: "k-checkbox-list",
            vertical: "k-list-vertical",
            horizontal: "k-list-horizontal",
            disabled: "k-disabled"
        },

        checkAll: function(shouldCheck) {
            var that = this,
                inputs = that.element.find("input"),
                getValues = function(i, input) {
                    that._value.push(input.value);
                };

            if (shouldCheck === true) {
                inputs.prop(CHECKED, true);
                that._value = [];
                inputs.each(getValues);
            } else if (shouldCheck === false) {
                inputs.prop(CHECKED, false);
                that._value = [];
            }
        },

        value: function(values) {
            var that = this,
                currentInput,
                selectedValues = [],
                selectedElements, updatedSelectedElements, i;

            if (values === undefined$1) {
                if (!that._value) {
                    that._value = [];
                }
                return that._value;
            } else if (values === null || values.length === 0) {
                that._value = [];
                that.element.find(DOT + that.groupStyles.input).prop(CHECKED, false);
                return;
            } else if (!values || values.length < 1) {
                return;
            }

            selectedElements = that.element.find("input[value='" + values[0] + "']");

            if (selectedElements.length) {
                selectedValues.push(values[0]);
            }

            for (i = 1; i < values.length; i++) {
                currentInput = that.element.find("input[value='" + values[i] + "']");
                updatedSelectedElements = selectedElements.add(currentInput);

                if (updatedSelectedElements.length > selectedElements.length) {
                    selectedElements = updatedSelectedElements;
                    selectedValues.push(values[i]);
                }
            }

            that._value = selectedValues;
            that.element.find(DOT + that.groupStyles.input).prop(CHECKED, false);
            selectedElements.prop(CHECKED, true);
        },

        _changeHandler: function(e) {
            var target = $(e.target),
                value = target.val(),
                filterOut = function(item) {
                    return item !== value;
                };

            if (this._targetForPreventedChange === e.target) {
                this._targetForPreventedChange = null;
                return;
            }

            if (!this._value) {
                this._value = [];
            }

            if (target.is(":checked")) {
                this._value.push(value);
            } else {
                this._value = this._value.filter(filterOut);
            }

            this.trigger(CHANGE, {
                target: target
            });
        },

        _dataValRequired: function(validationAttributes) {
            validationAttributes["data-msg-required"] = this.wrapper.attr("data-val-required");
            validationAttributes["data-rule-required"] = "true";
        }
    });

    kendo.cssProperties.registerPrefix("CheckBoxGroup", "k-checkbox-");

    kendo.cssProperties.registerValues("CheckBoxGroup", [{
        prop: "rounded",
        values: kendo.cssProperties.roundedValues.concat([['full', 'full']])
    }]);

    ui.plugin(CheckBoxGroup);
})(window.kendo.jQuery);
var kendo$1 = kendo;

exports.__meta__ = __meta__;
exports.default = kendo$1;