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/*!
* Piwik - Web Analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
(function ($, require) {
/**
* The DataTableManager class manages the initialization of JS dataTable
* instances. It's main purpose is to give each dataTable div a unique ID.
* This is done in the browser since it's possible for any report to be
* loaded via AJAX, some more than once.
*
* The singleton instance can be accessed via piwik.DataTableManager.
*/
var DataTableManager = function () {
this.nextId = 0;
};
DataTableManager.prototype = {
/**
* Gets the next available dataTable ID.
*
* @return {string}
*/
getNextId: function () {
this.nextId += 1;
return 'dataTable_' + this.nextId;
},
/**
* Gets the ID used for the last table or 0 if a DataTable hasn't been
* initialized yet.
*/
getLastId: function () {
return 'dataTable_' + this.nextId;
},
/**
* Initializes all uninitialized datatable elements. Uninitialized
* datatable elements do not have an ID set.
*/
initNewDataTables: function () {
var self = this;
// find each datatable that hasn't been initialized (has no id attribute),
// and initialize it
$('div.dataTable').each(function () {
if (!$(this).attr('id')) {
var params = JSON.parse($(this).attr('data-params') || '{}');
var props = JSON.parse($(this).attr('data-props') || '{}');
var tableType = $(this).attr('data-table-type') || 'DataTable';
// convert values in params that are arrays to comma separated string lists
for (var key in params) {
if (params[key] instanceof Array) {
params[key] = params[key].join(',');
}
}
var klass = require('piwik/UI')[tableType];
self.initSingleDataTable(this, klass, params, props);
}
});
},
/**
* Initializes a single datatable element.
*
* @param {Element} domElem The DataTable div element.
* @param {Function} klass The DataTable's JS class.
* @param {Object} params The request params used.
* @param {Object} props The view properties that should be visible to the JS.
*/
initSingleDataTable: function (domElem, klass, params, props) {
var newId = this.getNextId();
$(domElem).attr('id', newId);
var table = new klass($(domElem));
table.param = params;
table.props = props;
table.init();
},
/**
* Returns the first datatable div displaying a specific report.
*
* @param {string} report The report, eg, UserSettings.getWideScreen
* @return {Element} The datatable div displaying the report, or undefined if
* it cannot be found.
*/
getDataTableByReport: function (report) {
var result = undefined;
$('.dataTable').each(function () {
if ($(this).attr('data-report') == report) {
result = this;
return false;
}
});
return result;
},
/**
* Returns the datatable instance of the first datatable div displaying
* a specific report.
*
* @param {string} report The report, eg, UserSettings.getWideScrren
* @return {dataTable} The DataTable instance created for the element, if
* the element can be found. undefined, if it can't be found.
*/
getDataTableInstanceByReport: function (report) {
var dataTableElement = this.getDataTableByReport(report);
return dataTableElement ? $(dataTableElement).data('uiControlObject') : undefined;
}
};
piwik.DataTableManager = new DataTableManager();
}(jQuery, require));
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