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Fix example: When there is no data, can't use reduce in footer callback

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This commit is contained in:
Allan Jardine 2014-06-18 12:22:16 +01:00
parent 1d159700bd
commit c5414152ed
2 changed files with 29 additions and 27 deletions
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2
.datatables-commit-sync
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@ -1 +1 @@
d4712d3aca31b553dc940f1d99ed8cda039399e2 3caec7dedaf1192da42f7d023dd86b45e95c5938

46
examples/advanced_init/footer_callback.html
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@ -24,7 +24,8 @@
$(document).ready(function() { $(document).ready(function() {
$('#example').dataTable( { $('#example').dataTable( {
"footerCallback": function ( row, data, start, end, display ) { "footerCallback": function ( row, data, start, end, display ) {
var api = this.api(); var api = this.api(), data;
// Remove the formatting to get integer data for summation // Remove the formatting to get integer data for summation
var intVal = function ( i ) { var intVal = function ( i ) {
return typeof i === 'string' ? return typeof i === 'string' ?
@ -34,20 +35,20 @@ $(document).ready(function() {
}; };
// Total over all pages // Total over all pages
var total = api data = api.column( 4 ).data();
.column( 4 ) total = data.length ?
.data() data.reduce( function (a, b) {
.reduce( function (a, b) {
return intVal(a) + intVal(b); return intVal(a) + intVal(b);
} ); } ) :
0;
// Total over this page // Total over this page
var pageTotal = api data = api.column( 4, { page: 'current'} ).data();
.column( 4, { page: 'current'} ) pageTotal = data.length ?
.data() data.reduce( function (a, b) {
.reduce( function (a, b) {
return intVal(a) + intVal(b); return intVal(a) + intVal(b);
} ); } ) :
0;
// Update footer // Update footer
$( api.column( 4 ).footer() ).html( $( api.column( 4 ).footer() ).html(
@ -518,7 +519,8 @@ $(document).ready(function() {
example:</p><code class="multiline brush: js;">$(document).ready(function() { example:</p><code class="multiline brush: js;">$(document).ready(function() {
$('#example').dataTable( { $('#example').dataTable( {
&quot;footerCallback&quot;: function ( row, data, start, end, display ) { &quot;footerCallback&quot;: function ( row, data, start, end, display ) {
var api = this.api(); var api = this.api(), data;
// Remove the formatting to get integer data for summation // Remove the formatting to get integer data for summation
var intVal = function ( i ) { var intVal = function ( i ) {
return typeof i === 'string' ? return typeof i === 'string' ?
@ -528,20 +530,20 @@ $(document).ready(function() {
}; };
// Total over all pages // Total over all pages
var total = api data = api.column( 4 ).data();
.column( 4 ) total = data.length ?
.data() data.reduce( function (a, b) {
.reduce( function (a, b) {
return intVal(a) + intVal(b); return intVal(a) + intVal(b);
} ); } ) :
0;
// Total over this page // Total over this page
var pageTotal = api data = api.column( 4, { page: 'current'} ).data();
.column( 4, { page: 'current'} ) pageTotal = data.length ?
.data() data.reduce( function (a, b) {
.reduce( function (a, b) {
return intVal(a) + intVal(b); return intVal(a) + intVal(b);
} ); } ) :
0;
// Update footer // Update footer
$( api.column( 4 ).footer() ).html( $( api.column( 4 ).footer() ).html(