@ngal/ui/util/ngal.ui.directiveUtil.service.js

Addons for ui.bootstrap

(function() {
    "use strict";

    function callScriptFn(scope, scriptIn, paramNames) {
        if (!(scope && scriptIn))
            return undefined;

        var matches;
        var paramCount;
        var parameters;
        var paramObject;
        var scriptOut;

        // Break the scriptIn into three parts:
        //      All of the characters from the start up to and including the '('
        //      The characters within the parentheses (the parameters).
        //      All of the characters from the ')' to the end.
        matches = scriptIn.match(/([^(]+\()([^)]*)(\).*)/);
        if (!(matches && matches.length === 4))
            return undefined;

        // Strip all spaces from the parameter list and convert it into an array.
        parameters = matches[2].replace(/\s/g, "").split(",");

        // Determine the lessor of (1) The number of parameters in the list,
        // or (2) The number of expected parameters (from the paramNames.)
        paramNames = paramNames || [];
        paramCount = Math.min(parameters.length, paramNames.length);

        // Build a Javascript object (textual), that has property names for each of the paramNames.
        // The right hand side is the corresponding parameter from the scriptIn.
        paramObject = paramNames.reduce(function(acc, value, index) {
            if (parameters[index]) {
                acc += value + ": " + parameters[index];

                if (index < paramCount && parameters[1 + index])
                    acc += ", ";
            }

            return acc;
        }, "{ ");

        paramObject += " }";

        // Build the script to evaluate; using the constructed paramObject rather than the original parameter list.
        // (This is the normal form for a component or directive calling through an attribute.)
        scriptOut = matches[1] + paramObject + matches[3];
        return scope.$eval(scriptOut);
    }

    function findParentElem(name, childElem) {
        while (childElem && childElem.length) {
            if (childElem[0].nodeName === name.toUpperCase())
                return childElem;

            childElem = childElem.parent();
        }

        return undefined;
    }


    angular
        .module("ngal.ui")
        .factory("ngal.ui.directiveUtil", [function() {
            return {
                callScriptFn: callScriptFn,
                findParentElem: findParentElem
            };
        }]);
})();