Current File : //home1/lightco1/www/plugins/content/sigplus/fields/js/exporter.js
/**
* @file
* @brief sigplus Image Gallery Plus settings export/import control
* @author Levente Hunyadi
* @version 1.5.0
* @remarks Copyright (C) 2009-2017 Levente Hunyadi
* @remarks Licensed under GNU/GPLv3, see http://www.gnu.org/licenses/gpl-3.0.html
* @see http://hunyadi.info.hu/projects/sigplus
*/
'use strict';
if (!Element.prototype.matches) {
Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
}
if (!Element.prototype.closest) {
Element.prototype.closest = function (s) {
var el = this;
var ancestor = this;
if (!document.documentElement.contains(el)) {
return null;
}
do {
if (ancestor.matches(s)) {
return ancestor;
}
ancestor = ancestor.parentElement;
} while (ancestor !== null);
return null;
};
}
function SettingsExporter(textarea, exportbtn, importbtn) {
// get parent HTML form
var form = textarea.closest('form');
if (form) {
function _getUserControls(items) {
var selector = items.map(function (item) {
return item + '[name^="jform[params]"]'; // settings have attribute "name" set to "jform[param][...]"
}).join(',');
return form.querySelectorAll(selector);
}
function _getUserControlKey(elem) {
return elem.name.match(/^jform\[params\]\[(\w+)]$/)[1]; // settings have attribute "name" set to "jform[param][...]"
}
// register click event for export (save) function
exportbtn.addEventListener('click', function () {
// traverse elements that store settings
var settings = {};
[].forEach.call(_getUserControls(['input[type=text]','input[type=radio]','select','textarea']), function (elem) {
if (elem.type != 'radio' || elem.checked) { // omit radio buttons that are not checked
var value = elem.tagName != 'select' ? elem.value : elem.options[elem.selectedIndex].value;
// a single JSON object key/value pair
settings[_getUserControlKey(elem)] = value;
}
});
// show generated JSON object string in text area
textarea.value = JSON.stringify(settings, null, 1); // use line breaks for pretty output
});
// register click event for import (restore) function
importbtn.addEventListener('click', function () {
// decode JSON object string into parameter object
var params;
try {
params = JSON.parse(textarea.value);
} catch (e) { }
if (params) {
// traverse elements that store settings
[].forEach.call(_getUserControls(['input[type=text]','textarea']), function (elem) {
// update text field value
var key = _getUserControlKey(elem);
if (params.hasOwnProperty(key)) {
elem.value = params[key];
}
});
[].forEach.call(_getUserControls(['select']), function (elem) {
// update selected element
var key = _getUserControlKey(elem);
if (params.hasOwnProperty(key)) {
// Joomla uses Chosen as a list box: https://harvesthq.github.io/chosen/
jQuery(elem).val(params[key]).trigger('liszt:updated');
}
});
[].forEach.call(_getUserControls(['input[type=radio]']), function (elem) {
// check radio button if its value matches the value stored in the parameter object
if (elem.value == params[_getUserControlKey(elem)]) {
elem.checked = true;
}
});
}
});
}
}
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