corrade-nucleus-nucleons – Rev 20

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/**
 * ### Conditionalselect plugin
 *
 * This plugin allows defining a callback to allow or deny node selection by user input (activate node method).
 */
/*globals jQuery, define, exports, require, document */
(function (factory) {
        "use strict";
        if (typeof define === 'function' && define.amd) {
                define('jstree.conditionalselect', ['jquery','jstree'], factory);
        }
        else if(typeof exports === 'object') {
                factory(require('jquery'), require('jstree'));
        }
        else {
                factory(jQuery, jQuery.jstree);
        }
}(function ($, jstree, undefined) {
        "use strict";

        if($.jstree.plugins.conditionalselect) { return; }

        /**
         * a callback (function) which is invoked in the instance's scope and receives two arguments - the node and the event that triggered the `activate_node` call. Returning false prevents working with the node, returning true allows invoking activate_node. Defaults to returning `true`.
         * @name $.jstree.defaults.checkbox.visible
         * @plugin checkbox
         */
        $.jstree.defaults.conditionalselect = function () { return true; };
        $.jstree.plugins.conditionalselect = function (options, parent) {
                // own function
                this.activate_node = function (obj, e) {
                        if(this.settings.conditionalselect.call(this, this.get_node(obj), e)) {
                                parent.activate_node.call(this, obj, e);
                        }
                };
        };

}));

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