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64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
/**
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* By default DataTables only uses the sAjaxSource variable at initialisation
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* time, however it can be useful to re-read an Ajax source and have the table
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* update. Typically you would need to use the fnClearTable() and fnAddData()
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* functions, however this wraps it all up in a single function call.
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* <i>Note</i>:To reload data when using server-side processing, just use the
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* built-inAPI function fnDraw rather than this plug-in.
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* @name fnReloadAjax
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* @anchor fnReloadAjax
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* @author <a href="http://sprymedia.co.uk">Allan Jardine</a>
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*
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* @example
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* // Example call to load a new file
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* oTable.fnReloadAjax( 'media/examples_support/json_source2.txt' );
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*
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* // Example call to reload from original file
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* oTable.fnReloadAjax();
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*/
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$.fn.dataTableExt.oApi.fnReloadAjax = function ( oSettings, sNewSource, fnCallback, bStandingRedraw )
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{
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if ( typeof sNewSource != 'undefined' && sNewSource != null )
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{
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oSettings.sAjaxSource = sNewSource;
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}
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this.oApi._fnProcessingDisplay( oSettings, true );
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var that = this;
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var iStart = oSettings._iDisplayStart;
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var aData = [];
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this.oApi._fnServerParams( oSettings, aData );
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oSettings.fnServerData( oSettings.sAjaxSource, aData, function(json) {
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/* Clear the old information from the table */
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that.oApi._fnClearTable( oSettings );
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/* Got the data - add it to the table */
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var aData = (oSettings.sAjaxDataProp !== "") ?
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that.oApi._fnGetObjectDataFn( oSettings.sAjaxDataProp )( json ) : json;
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for ( var i=0 ; i<aData.length ; i++ )
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{
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that.oApi._fnAddData( oSettings, aData[i] );
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}
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oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
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that.fnDraw();
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if ( typeof bStandingRedraw != 'undefined' && bStandingRedraw === true )
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{
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oSettings._iDisplayStart = iStart;
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that.fnDraw( false );
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}
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that.oApi._fnProcessingDisplay( oSettings, false );
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/* Callback user function - for event handlers etc */
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if ( typeof fnCallback == 'function' && fnCallback != null )
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{
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fnCallback( oSettings );
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}
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}, oSettings );
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};
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