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/**
* Draw the table for the first time, adding all required features
* @param {object} settings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnInitialise ( settings )
{
var i, iLen, iAjaxStart=settings.iInitDisplayStart;
var columns = settings.aoColumns, column;
var features = settings.oFeatures;
var deferLoading = settings.bDeferLoading; // value modified by the draw
/* Ensure that the table data is fully initialised */
if ( ! settings.bInitialised ) {
setTimeout( function(){ _fnInitialise( settings ); }, 200 );
return;
}
/* Show the display HTML options */
_fnAddOptionsHtml( settings );
/* Build and draw the header / footer for the table */
_fnBuildHead( settings );
_fnDrawHead( settings, settings.aoHeader );
_fnDrawHead( settings, settings.aoFooter );
/* Okay to show that something is going on now */
_fnProcessingDisplay( settings, true );
/* Calculate sizes for columns */
if ( features.bAutoWidth ) {
_fnCalculateColumnWidths( settings );
}
for ( i=0, iLen=columns.length ; i<iLen ; i++ ) {
column = columns[i];
if ( column.sWidth ) {
column.nTh.style.width = _fnStringToCss( column.sWidth );
}
}
_fnCallbackFire( settings, null, 'preInit', [settings] );
// If there is default sorting required - let's do it. The sort function
// will do the drawing for us. Otherwise we draw the table regardless of the
// Ajax source - this allows the table to look initialised for Ajax sourcing
// data (show 'loading' message possibly)
_fnReDraw( settings );
// Server-side processing init complete is done by _fnAjaxUpdateDraw
var dataSrc = _fnDataSource( settings );
if ( dataSrc != 'ssp' || deferLoading ) {
// if there is an ajax source load the data
if ( dataSrc == 'ajax' ) {
_fnBuildAjax( settings, [], function(json) {
var aData = _fnAjaxDataSrc( settings, json );
// Got the data - add it to the table
for ( i=0 ; i<aData.length ; i++ ) {
_fnAddData( settings, aData[i] );
}
// Reset the init display for cookie saving. We've already done
// a filter, and therefore cleared it before. So we need to make
// it appear 'fresh'
settings.iInitDisplayStart = iAjaxStart;
_fnReDraw( settings );
_fnProcessingDisplay( settings, false );
_fnInitComplete( settings, json );
}, settings );
}
else {
_fnProcessingDisplay( settings, false );
_fnInitComplete( settings );
}
}
}
/**
* Draw the table for the first time, adding all required features
* @param {object} oSettings dataTables settings object
* @param {object} [json] JSON from the server that completed the table, if using Ajax source
* with client-side processing (optional)
* @memberof DataTable#oApi
*/
function _fnInitComplete ( settings, json )
{
settings._bInitComplete = true;
// When data was added after the initialisation (data or Ajax) we need to
// calculate the column sizing
if ( json || settings.oInit.aaData ) {
_fnAdjustColumnSizing( settings );
}
_fnCallbackFire( settings, null, 'plugin-init', [settings, json] );
_fnCallbackFire( settings, 'aoInitComplete', 'init', [settings, json] );
}
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