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46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
/**
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* Enables filtration delay for keeping the browser more responsive while
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* searching for a longer keyword.
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* @name fnSetFilteringDelay
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* @anchor fnSetFilteringDelay
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* @author <a href="http://www.zygimantas.com/">Zygimantas Berziunas</a>, <a href="http://www.sprymedia.co.uk/">Allan Jardine</a> and <i>vex</i>
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*
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* @example
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* $(document).ready(function() {
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* $('.dataTable').dataTable().fnSetFilteringDelay();
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* } );
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*/
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jQuery.fn.dataTableExt.oApi.fnSetFilteringDelay = function ( oSettings, iDelay ) {
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var _that = this;
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if ( iDelay === undefined ) {
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iDelay = 250;
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}
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this.each( function ( i ) {
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$.fn.dataTableExt.iApiIndex = i;
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var
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$this = this,
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oTimerId = null,
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sPreviousSearch = null,
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anControl = $( 'input', _that.fnSettings().aanFeatures.f );
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anControl.unbind( 'keyup' ).bind( 'keyup', function() {
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var $$this = $this;
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if (sPreviousSearch === null || sPreviousSearch != anControl.val()) {
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window.clearTimeout(oTimerId);
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sPreviousSearch = anControl.val();
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oTimerId = window.setTimeout(function() {
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$.fn.dataTableExt.iApiIndex = i;
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_that.fnFilter( anControl.val() );
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}, iDelay);
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}
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});
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return this;
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} );
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return this;
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};
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