--- /dev/null
+
+
+/**
+ * Update the table using an Ajax call
+ * @param {object} oSettings dataTables settings object
+ * @returns {boolean} Block the table drawing or not
+ * @memberof DataTable#oApi
+ */
+function _fnAjaxUpdate( oSettings )
+{
+ if ( oSettings.bAjaxDataGet )
+ {
+ oSettings.iDraw++;
+ _fnProcessingDisplay( oSettings, true );
+ var iColumns = oSettings.aoColumns.length;
+ var aoData = _fnAjaxParameters( oSettings );
+ _fnServerParams( oSettings, aoData );
+
+ oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData,
+ function(json) {
+ _fnAjaxUpdateDraw( oSettings, json );
+ }, oSettings );
+ return false;
+ }
+ else
+ {
+ return true;
+ }
+}
+
+
+/**
+ * Build up the parameters in an object needed for a server-side processing request
+ * @param {object} oSettings dataTables settings object
+ * @returns {bool} block the table drawing or not
+ * @memberof DataTable#oApi
+ */
+function _fnAjaxParameters( oSettings )
+{
+ var iColumns = oSettings.aoColumns.length;
+ var aoData = [], mDataProp, aaSort, aDataSort;
+ var i, j;
+
+ aoData.push( { "name": "sEcho", "value": oSettings.iDraw } );
+ aoData.push( { "name": "iColumns", "value": iColumns } );
+ aoData.push( { "name": "sColumns", "value": _fnColumnOrdering(oSettings) } );
+ aoData.push( { "name": "iDisplayStart", "value": oSettings._iDisplayStart } );
+ aoData.push( { "name": "iDisplayLength", "value": oSettings.oFeatures.bPaginate !== false ?
+ oSettings._iDisplayLength : -1 } );
+
+ for ( i=0 ; i<iColumns ; i++ )
+ {
+ mDataProp = oSettings.aoColumns[i].mData;
+ aoData.push( { "name": "mDataProp_"+i, "value": typeof(mDataProp)==="function" ? 'function' : mDataProp } );
+ }
+
+ /* Filtering */
+ if ( oSettings.oFeatures.bFilter !== false )
+ {
+ aoData.push( { "name": "sSearch", "value": oSettings.oPreviousSearch.sSearch } );
+ aoData.push( { "name": "bRegex", "value": oSettings.oPreviousSearch.bRegex } );
+ for ( i=0 ; i<iColumns ; i++ )
+ {
+ aoData.push( { "name": "sSearch_"+i, "value": oSettings.aoPreSearchCols[i].sSearch } );
+ aoData.push( { "name": "bRegex_"+i, "value": oSettings.aoPreSearchCols[i].bRegex } );
+ aoData.push( { "name": "bSearchable_"+i, "value": oSettings.aoColumns[i].bSearchable } );
+ }
+ }
+
+ /* Sorting */
+ if ( oSettings.oFeatures.bSort !== false )
+ {
+ var iCounter = 0;
+
+ aaSort = ( oSettings.aaSortingFixed !== null ) ?
+ oSettings.aaSortingFixed.concat( oSettings.aaSorting ) :
+ oSettings.aaSorting.slice();
+
+ for ( i=0 ; i<aaSort.length ; i++ )
+ {
+ aDataSort = oSettings.aoColumns[ aaSort[i][0] ].aDataSort;
+
+ for ( j=0 ; j<aDataSort.length ; j++ )
+ {
+ aoData.push( { "name": "iSortCol_"+iCounter, "value": aDataSort[j] } );
+ aoData.push( { "name": "sSortDir_"+iCounter, "value": aaSort[i][1] } );
+ iCounter++;
+ }
+ }
+ aoData.push( { "name": "iSortingCols", "value": iCounter } );
+
+ for ( i=0 ; i<iColumns ; i++ )
+ {
+ aoData.push( { "name": "bSortable_"+i, "value": oSettings.aoColumns[i].bSortable } );
+ }
+ }
+
+ return aoData;
+}
+
+
+/**
+ * Add Ajax parameters from plug-ins
+ * @param {object} oSettings dataTables settings object
+ * @param array {objects} aoData name/value pairs to send to the server
+ * @memberof DataTable#oApi
+ */
+function _fnServerParams( oSettings, aoData )
+{
+ _fnCallbackFire( oSettings, 'aoServerParams', 'serverParams', [aoData] );
+}
+
+
+/**
+ * Data the data from the server (nuking the old) and redraw the table
+ * @param {object} oSettings dataTables settings object
+ * @param {object} json json data return from the server.
+ * @param {string} json.sEcho Tracking flag for DataTables to match requests
+ * @param {int} json.iTotalRecords Number of records in the data set, not accounting for filtering
+ * @param {int} json.iTotalDisplayRecords Number of records in the data set, accounting for filtering
+ * @param {array} json.aaData The data to display on this page
+ * @param {string} [json.sColumns] Column ordering (sName, comma separated)
+ * @memberof DataTable#oApi
+ */
+function _fnAjaxUpdateDraw ( oSettings, json )
+{
+ if ( json.sEcho !== undefined )
+ {
+ /* Protect against old returns over-writing a new one. Possible when you get
+ * very fast interaction, and later queries are completed much faster
+ */
+ if ( json.sEcho*1 < oSettings.iDraw )
+ {
+ return;
+ }
+ else
+ {
+ oSettings.iDraw = json.sEcho * 1;
+ }
+ }
+
+ if ( !oSettings.oScroll.bInfinite ||
+ (oSettings.oScroll.bInfinite && (oSettings.bSorted || oSettings.bFiltered)) )
+ {
+ _fnClearTable( oSettings );
+ }
+ oSettings._iRecordsTotal = parseInt(json.iTotalRecords, 10);
+ oSettings._iRecordsDisplay = parseInt(json.iTotalDisplayRecords, 10);
+
+ /* Determine if reordering is required */
+ var sOrdering = _fnColumnOrdering(oSettings);
+ var bReOrder = (json.sColumns !== undefined && sOrdering !== "" && json.sColumns != sOrdering );
+ var aiIndex;
+ if ( bReOrder )
+ {
+ aiIndex = _fnReOrderIndex( oSettings, json.sColumns );
+ }
+
+ var aData = _fnGetObjectDataFn( oSettings.sAjaxDataProp )( json );
+ for ( var i=0, iLen=aData.length ; i<iLen ; i++ )
+ {
+ if ( bReOrder )
+ {
+ /* If we need to re-order, then create a new array with the correct order and add it */
+ var aDataSorted = [];
+ for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
+ {
+ aDataSorted.push( aData[i][ aiIndex[j] ] );
+ }
+ _fnAddData( oSettings, aDataSorted );
+ }
+ else
+ {
+ /* No re-order required, sever got it "right" - just straight add */
+ _fnAddData( oSettings, aData[i] );
+ }
+ }
+ oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
+
+ oSettings.bAjaxDataGet = false;
+ _fnDraw( oSettings );
+ oSettings.bAjaxDataGet = true;
+ _fnProcessingDisplay( oSettings, false );
+}
+
git://source.jalview.org / proteocache.git / blobdiff