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47 lines
1.8 KiB
JavaScript
47 lines
1.8 KiB
JavaScript
11 years ago
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/**
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* The DataTables core library provides the ability to set the ordering via the
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* `dt-api column().order()` method, but there is no plural equivalent. While
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* multi-column ordering can be set using `dt-api order()` that method requires
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* that column indexes be used.
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*
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* This plug-in provides the plural `columns().order()` method so you can set
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* multi-column ordering, while retaining the benefits of the `dt-api columns()`
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* selector options.
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*
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* @name columns().order()
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* @summary Apply multi-column ordering through the columns() API method.
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* @author [Allan Jardine](http://sprymedia.co.uk)
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* @requires DataTables 1.10+
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* @param {string|array} dir The order to apply to the columns selected. This
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* can be a string (`asc` or `desc`) which will be applied to all columns,
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* or an array (again `asc` or `desc` as the elements in the array) which is
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* the same length as the number of columns selected, and will be applied to
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* the columns in sequence.
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*
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* @returns {DataTables.Api} DataTables API instance
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*
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* @example
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* // Apply multi-column sorting with a common direction
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* table.columns( [ 1, 2 ] ).order( 'desc' ).draw();
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*
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* @example
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* // Multi-column sorting with individual direction for the columns
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* table.columns( [ 1, 2 ] ).order( [ 'desc', 'asc' ] ).draw();
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*
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* @example
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* // Multi-column sorting based on a name selector
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* table.columns( [ 'sign_up_date:name', 'user_name:name' ] ).order( 'desc' ).draw();
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*/
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$.fn.dataTable.Api.register( 'columns().order()', function ( dir ) {
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return this.iterator( 'columns', function ( settings, columns ) {
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var a = [];
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for ( var i=0, ien=columns.length ; i<ien ; i++ ) {
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a.push( [ columns[i], $.isArray(dir) ? dir[i] : dir ] );
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}
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new $.fn.dataTable.Api( settings ).order( a );
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} );
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} );
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