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75 lines
2.4 KiB
JavaScript
75 lines
2.4 KiB
JavaScript
2 years ago
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/*! © SpryMedia Ltd - datatables.net/license */
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import $ from 'jquery';
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import DataTable from 'datatables.net';
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/**
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* @summary LengthLinks
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* @description Page length control via links for DataTables
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* @version 1.2.0
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* @author Allan Jardine
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*
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* This feature plug-in for DataTables adds page length control links to the
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* DataTable. The `dom` option can be used to insert the control using the `L`
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* character option and it uses the `lengthMenu` options of DataTables to
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* determine what to display.
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*
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* @example
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* $('#myTable').DataTable( {
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* dom: 'Lfrtip'
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* } );
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*
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* @example
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* $('#myTable').DataTable( {
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* lengthMenu: [ [10, 25, 50, -1], [10, 25, 50, "All"] ]
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* dom: 'Lfrtip'
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* } );
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*/
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DataTable.LengthLinks = function (inst) {
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var api = new DataTable.Api(inst);
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var settings = api.settings()[0];
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var container = $('<div></div>').addClass(settings.oClasses.sLength);
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var lastLength = null;
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// API so the feature wrapper can return the node to insert
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this.container = function () {
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return container[0];
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};
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// Listen for events to change the page length
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container.on('click.dtll', 'a', function (e) {
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e.preventDefault();
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api.page.len($(this).data('length') * 1).draw(false);
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});
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// Update on each draw
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api.on('draw', function () {
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// No point in updating - nothing has changed
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if (api.page.len() === lastLength) {
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return;
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}
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var menu = settings.aLengthMenu;
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var lang = menu.length === 2 && Array.isArray(menu[0]) ? menu[1] : menu;
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var lens = menu.length === 2 && Array.isArray(menu[0]) ? menu[0] : menu;
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var out = $.map(lens, function (el, i) {
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return el == api.page.len()
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? '<a class="active" data-length="' + lens[i] + '">' + lang[i] + '</a>'
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: '<a data-length="' + lens[i] + '">' + lang[i] + '</a>';
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});
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container.html(settings.oLanguage.sLengthMenu.replace('_MENU_', out.join(' | ')));
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lastLength = api.page.len();
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});
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api.on('destroy', function () {
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container.off('click.dtll', 'a');
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});
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};
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// Subscribe the feature plug-in to DataTables, ready for use
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DataTable.ext.feature.push({
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fnInit: function (settings) {
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var l = new DataTable.LengthLinks(settings);
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return l.container();
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},
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cFeature: 'L',
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sFeature: 'LengthLinks',
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});
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export default DataTable;
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