105 lines
3.9 KiB
JavaScript
105 lines
3.9 KiB
JavaScript
/**
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* EditableForm utilites
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*/
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(function ($) {
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$.extend($.fn.editableform, {
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utils: {
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/**
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* classic JS inheritance function
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*/
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inherit: function (Child, Parent) {
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var F = function() { };
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F.prototype = Parent.prototype;
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Child.prototype = new F();
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Child.prototype.constructor = Child;
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Child.superclass = Parent.prototype;
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},
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/**
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* set caret position in input
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* see http://stackoverflow.com/questions/499126/jquery-set-cursor-position-in-text-area
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*/
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setCursorPosition: function(elem, pos) {
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if (elem.setSelectionRange) {
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elem.setSelectionRange(pos, pos);
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} else if (elem.createTextRange) {
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var range = elem.createTextRange();
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range.collapse(true);
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range.moveEnd('character', pos);
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range.moveStart('character', pos);
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range.select();
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}
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},
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/**
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* function to parse JSON in *single* quotes. (jquery automatically parse only double quotes)
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* That allows such code as: <a data-source="{'a': 'b', 'c': 'd'}">
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* safe = true --> means no exception will be thrown
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* for details see http://stackoverflow.com/questions/7410348/how-to-set-json-format-to-html5-data-attributes-in-the-jquery
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*/
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tryParseJson: function(s, safe) {
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if (typeof s === 'string' && s.length && s.match(/^\{.*\}$/)) {
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if (safe) {
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try {
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/*jslint evil: true*/
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s = (new Function('return ' + s))();
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/*jslint evil: false*/
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} catch (e) {} finally {
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return s;
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}
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} else {
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/*jslint evil: true*/
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s = (new Function('return ' + s))();
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/*jslint evil: false*/
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}
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}
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return s;
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},
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/**
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* slice object by specified keys
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*/
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sliceObj: function(obj, keys, caseSensitive /* default: false */) {
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var key, keyLower, newObj = {};
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if (!$.isArray(keys) || !keys.length) {
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return newObj;
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}
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for (var i = 0; i < keys.length; i++) {
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key = keys[i];
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if (obj.hasOwnProperty(key)) {
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newObj[key] = obj[key];
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}
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if(caseSensitive === true) {
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continue;
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}
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//when getting data-* attributes via $.data() it's converted to lowercase.
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//details: http://stackoverflow.com/questions/7602565/using-data-attributes-with-jquery
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//workaround is code below.
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keyLower = key.toLowerCase();
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if (obj.hasOwnProperty(keyLower)) {
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newObj[key] = obj[keyLower];
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}
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}
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return newObj;
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},
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/**
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* exclude complex objects from $.data() before pass to config
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*/
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getConfigData: function($element) {
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var data = {};
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$.each($element.data(), function(k, v) {
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if(typeof v !== 'object' || (v && typeof v === 'object' && v.constructor === Object)) {
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data[k] = v;
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}
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});
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return data;
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}
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}
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});
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}(window.jQuery)); |