--- /dev/null
+// DATA_TEMPLATE: empty_table
+oTest.fnStart( "fnHeaderCallback" );
+
+$(document).ready( function () {
+ /* Check the default */
+ var oTable = $('#example').dataTable( {
+ "sAjaxSource": "../../../examples/ajax/sources/objects.txt",
+ "aoColumns": [
+ { "mData": "engine" },
+ { "mData": "browser" },
+ { "mData": "platform" },
+ { "mData": "version" },
+ { "mData": "grade" }
+ ]
+ } );
+ 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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "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/objects.txt",
+ "aoColumnDefs": [
+ { "mData": "engine", "aTargets": [0] },
+ { "mData": "browser", "aTargets": [1] },
+ { "mData": "platform", "aTargets": [2] },
+ { "mData": "version", "aTargets": [3] },
+ { "mData": "grade", "aTargets": [4] }
+ ],
+ "fnHeaderCallback": function ( nHead, aasData, iStart, iEnd, aiDisplay ) {
+ if ( aiDisplay.length == 9 )
+ {
+ mPass = true;
+ }
+ }
+ } );
+ oTable.fnFilter( "Mozilla" );
+ },
+ function () { return mPass; }
+ );
+
+
+
+ oTest.fnComplete();
+} );
\ No newline at end of file