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New: New callback function fnPreDrawCallback which is called at the very start of each table draw (so rather like fnDrawCallback, just before the

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draw!). This function is, like all other DataTables callbacks, execuated with the DataTables instance scope, and also takes a single parameter -
the DataTables settings object. The attached function can cancel the draw by returning false, anyother return (including undefined) results in the
full draw occuring).
This commit is contained in:
Allan Jardine 2011-05-13 10:27:15 +01:00
parent a84eec581b
commit 8eafb87f1e
1 changed files with 16 additions and 0 deletions
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16
media/js/jquery.dataTables.js vendored
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@ -1135,6 +1135,14 @@
*/
this.aoDrawCallback = [];
/*
* Variable: fnPreDrawCallback
* Purpose: Callback function for just before the table is redrawn. A return of false
* will be used to cancel the draw.
* Scope: jQuery.dataTable.classSettings
*/
this.fnPreDrawCallback = null;
/*
* Variable: fnInitComplete
* Purpose: Callback function for when the table has been initalised
@ -3188,6 +3196,13 @@
var iStrips = oSettings.asStripClasses.length;
var iOpenRows = oSettings.aoOpenRows.length;
/* Provide a pre-callback function which can be used to cancel the draw is false is returned */
if ( oSettings.fnPreDrawCallback !== null &&
oSettings.fnPreDrawCallback.call( oSettings.oInstance, oSettings ) === false )
{
return;
}
oSettings.bDrawing = true;
/* Check and see if we have an initial draw position from state saving */
@ -6907,6 +6922,7 @@
_fnMap( oSettings.oScroll, oInit, "iScrollLoadGap", "iLoadGap" );
_fnMap( oSettings.oScroll, oInit, "bScrollAutoCss", "bAutoCss" );
_fnMap( oSettings, oInit, "asStripClasses" );
_fnMap( oSettings, oInit, "fnPreDrawCallback" );
_fnMap( oSettings, oInit, "fnRowCallback" );
_fnMap( oSettings, oInit, "fnHeaderCallback" );
_fnMap( oSettings, oInit, "fnFooterCallback" );