49 lines
1.4 KiB
JavaScript
Executable File
49 lines
1.4 KiB
JavaScript
Executable File
/**
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* Change the number of records that can be viewed on a single page in
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* DataTables.
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*
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* DataTables 1.10 provides the `dt-api page.len()` method to get and set the
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* page length using the built-in API. As such this method is marked deprecated,
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* but is available for use with legacy version of DataTables. Please use the
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* new API if you are used DataTables 1.10 or newer.
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*
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* @name fnLengthChange
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* @summary Change the paging display length
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* @author [Pedro Alves](http://www.webdetails.pt/)
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* @deprecated
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*
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* @example
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* $(document).ready(function() {
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* var table = $('#example').dataTable();
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* table.fnLengthChange( 100 );
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* } );
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*/
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jQuery.fn.dataTableExt.oApi.fnLengthChange = function ( oSettings, iDisplay )
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{
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oSettings._iDisplayLength = iDisplay;
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oSettings.oApi._fnCalculateEnd( oSettings );
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/* If we have space to show extra rows (backing up from the end point - then do so */
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if ( oSettings._iDisplayEnd == oSettings.aiDisplay.length )
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{
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oSettings._iDisplayStart = oSettings._iDisplayEnd - oSettings._iDisplayLength;
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if ( oSettings._iDisplayStart < 0 )
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{
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oSettings._iDisplayStart = 0;
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}
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}
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if ( oSettings._iDisplayLength == -1 )
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{
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oSettings._iDisplayStart = 0;
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}
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oSettings.oApi._fnDraw( oSettings );
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if ( oSettings.aanFeatures.l )
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{
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$('select', oSettings.aanFeatures.l).val( iDisplay );
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}
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};
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