// DATA_TEMPLATE: empty_table
oTest.fnStart( "fnHeaderCallback" );
$(document).ready( function () {
/* Check the default */
var oTable = $('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true
} );
var oSettings = oTable.fnSettings();
var mPass, bInit;
oTest.fnWaitTest(
"Default should be null",
null,
function () { return oSettings.fnHeaderCallback == null; }
);
oTest.fnWaitTest(
"Five arguments passed",
function () {
oSession.fnRestore();
mPass = -1;
bInit = false;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( ) {
mPass = arguments.length;
},
"fnInitComplete": function () {
bInit = true;
}
} );
},
function () { return mPass == 5 && bInit; }
);
/* The header callback is called once for the init and then when the data is added */
oTest.fnWaitTest(
"fnHeaderCallback called once per draw",
function () {
oSession.fnRestore();
mPass = 0;
bInit = false;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
mPass++;
},
"fnInitComplete": function () {
bInit = true;
}
} );
},
function () { return mPass == 2 && bInit; }
);
oTest.fnWaitTest(
"fnRowCallback called on paging (i.e. another draw)",
function () { $('#example_next').click(); },
function () { return mPass == 3; }
);
oTest.fnWaitTest(
"fnRowCallback allows us to alter row information",
function () {
oSession.fnRestore();
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
nHead.getElementsByTagName('th')[0].innerHTML = "Displaying "+(iEnd-iStart)+" records";
}
} );
},
function () { return $('#example thead th:eq(0)').html() == "Displaying 10 records"; }
);
oTest.fnWaitTest(
"iStart correct on first page",
function () {
oSession.fnRestore();
mPass = true;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iStart != 0 )
{
mPass = false;
}
}
} );
},
function () { return mPass; }
);
oTest.fnWaitTest(
"iStart correct on second page",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iStart == 10 )
{
mPass = true;
}
},
"fnInitComplete": function () {
$('#example_next').click();
}
} );
},
function () { return mPass; }
);
oTest.fnWaitTest(
"iEnd correct on second page",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( iEnd == 20 )
{
mPass = true;
}
},
"fnInitComplete": function () {
$('#example_next').click();
}
} );
},
function () { return mPass; }
);
oTest.fnWaitTest(
"aiDisplay length is full data when not filtered",
function () {
oSession.fnRestore();
mPass = false;
$('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( aiDisplay.length == 57 )
{
mPass = true;
}
}
} );
},
function () { return mPass; }
);
oTest.fnWaitTest(
"aiDisplay length is 9 when filtering on 'Mozilla'",
function () {
oSession.fnRestore();
mPass = false;
oTable = $('#example').dataTable( {
"sAjaxSource": "../../../examples/ajax/sources/arrays.txt",
"bDeferRender": true,
"fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
if ( aiDisplay.length == 9 )
{
mPass = true;
}
}
} );
oTable.fnFilter( "Mozilla" );
},
function () { return mPass; }
);
oTest.fnComplete();
} );
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