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From whe...@apache.org
Subject [2/2] hadoop git commit: HDFS-6407. Add sorting and pagination in the datanode tab of the NN Web UI. Contributed by Haohui Mai.
Date Mon, 17 Aug 2015 18:04:20 GMT
HDFS-6407. Add sorting and pagination in the datanode tab of the NN Web UI. Contributed by
Haohui Mai.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/4e712faa
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/4e712faa
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/4e712faa

Branch: refs/heads/branch-2
Commit: 4e712faac2065ee6b843c03e67f9e9773df405cd
Parents: 27ccbd5
Author: Haohui Mai <wheat9@apache.org>
Authored: Mon Aug 17 11:04:00 2015 -0700
Committer: Haohui Mai <wheat9@apache.org>
Committed: Mon Aug 17 11:04:17 2015 -0700

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt     |   3 +
 hadoop-hdfs-project/hadoop-hdfs/pom.xml         |   3 +
 .../src/main/webapps/hdfs/dfshealth.html        |  20 +-
 .../src/main/webapps/hdfs/dfshealth.js          |  17 +
 .../webapps/static/dataTables.bootstrap.css     | 371 +++++++++++++++++++
 .../main/webapps/static/dataTables.bootstrap.js | 205 ++++++++++
 .../webapps/static/jquery.dataTables.min.js     | 160 ++++++++
 7 files changed, 771 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index d1c2494..a540ccc 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -450,6 +450,9 @@ Release 2.8.0 - UNRELEASED
 
     HDFS-8713. Convert DatanodeDescriptor to use SLF4J logging. (wang)
 
+    HDFS-6407. Add sorting and pagination in the datanode tab of the NN Web UI.
+    (wheat9)
+
   OPTIMIZATIONS
 
     HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/pom.xml
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/pom.xml b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
index c47ec1a..f32b2de 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
@@ -390,6 +390,9 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
             <exclude>src/main/webapps/static/dust-full-2.0.0.min.js</exclude>
             <exclude>src/main/webapps/static/dust-helpers-1.1.1.min.js</exclude>
             <exclude>src/main/webapps/static/jquery-1.10.2.min.js</exclude>
+            <exclude>src/main/webapps/static/jquery.dataTables.min.js</exclude>
+            <exclude>src/main/webapps/static/dataTables.bootstrap.css</exclude>
+            <exclude>src/main/webapps/static/dataTables.bootstrap.js</exclude>
           </excludes>
         </configuration>
       </plugin>

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
index 7e7604a..38808ca 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
@@ -20,6 +20,7 @@
 <head>
 <meta http-equiv="X-UA-Compatible" content="IE=9" />
 <link rel="stylesheet" type="text/css" href="/static/bootstrap-3.0.2/css/bootstrap.min.css"
/>
+<link rel="stylesheet" type="text/css" href="/static/dataTables.bootstrap.css" />
 <link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
 <title>Namenode information</title>
 </head>
@@ -290,7 +291,7 @@
 </div>
 <div class="page-header"><h1><small>In operation</small></h1></div>
 <small>
-<table class="table">
+<table class="table" id="table-datanodes">
   <thead>
     <tr>
       <th>Node</th>
@@ -303,7 +304,7 @@
   </thead>
   {#LiveNodes}
   <tr>
-    <td class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
+    <td ng-value="{state}-{name}" class="dfshealth-node-icon dfshealth-node-{state}">{name}
({xferaddr})</td>
     <td ng-value="{lastContact}">{#helper_relative_time value="{lastContact}"/}</td>
     <td ng-value="{usedPercentage}">
       <div>
@@ -315,18 +316,18 @@
       </div>
     </td>
     <td>{numBlocks}</td>
-    <td>{blockPoolUsed|fmt_bytes} ({blockPoolUsedPercent|fmt_percentage})</td>
+    <td ng-value="{blockPoolUsedPercent}">{blockPoolUsed|fmt_bytes} ({blockPoolUsedPercent|fmt_percentage})</td>
     <td>{version}</td>
   </tr>
   {/LiveNodes}
   {#DeadNodes}
   <tr class="danger">
-    <td class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
+    <td ng-value="{state}-{name}" class="dfshealth-node-icon dfshealth-node-{state}">{name}
({xferaddr})</td>
     <td>{#helper_relative_time value="{lastContact}"/}</td>
-    <td>-</td>
-    <td>-</td>
-    <td>-</td>
-    <td>-</td>
+    <td></td>
+    <td></td>
+    <td></td>
+    <td></td>
   </tr>
   {/DeadNodes}
 </table>
@@ -418,7 +419,10 @@ There are no reported volume failures.
 </script>
 
 <script type="text/javascript" src="/static/jquery-1.10.2.min.js">
+</script><script type="text/javascript" src="/static/jquery.dataTables.min.js">
 </script><script type="text/javascript" src="/static/bootstrap-3.0.2/js/bootstrap.min.js">
+</script><script type="text/javascript" src="/static/dataTables.bootstrap.js">
+</script><script type="text/javascript" src="/static/moment.min.js">
 </script><script type="text/javascript" src="/static/moment.min.js">
 </script><script type="text/javascript" src="/static/dust-full-2.0.0.min.js">
 </script><script type="text/javascript" src="/static/dust-helpers-1.1.1.min.js">

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
index de93854..03b27fe 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
@@ -24,6 +24,13 @@
   dust.loadSource(dust.compile($('#tmpl-datanode-volume-failures').html(), 'datanode-volume-failures'));
   dust.loadSource(dust.compile($('#tmpl-snapshot').html(), 'snapshot-info'));
 
+  $.fn.dataTable.ext.order['ng-value'] = function (settings, col)
+  {
+    return this.api().column(col, {order:'index'} ).nodes().map(function (td, i) {
+      return $(td).attr('ng-value');
+    });
+  };
+
   function load_overview() {
     var BEANS = [
       {"name": "nn",      "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo"},
@@ -235,6 +242,16 @@
         var base = dust.makeBase(HELPERS);
         dust.render('datanode-info', base.push(data), function(err, out) {
           $('#tab-datanode').html(out);
+          $('#table-datanodes').dataTable( {
+            'lengthMenu': [ [25, 50, 100, -1], [25, 50, 100, "All"] ],
+            'columns': [
+              { 'orderDataType': 'ng-value', 'searchable': true },
+              { 'orderDataType': 'ng-value', 'type': 'numeric' },
+              { 'orderDataType': 'ng-value', 'type': 'numeric' },
+              { 'orderData': 3, 'type': 'numeric' },
+              { 'orderDataType': 'ng-value', 'type': 'numeric'},
+              { 'orderData': 5 }
+            ]});
           $('#ui-tabs a[href="#tab-datanode"]').tab('show');
         });
       })).error(ajax_error_handler);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
new file mode 100644
index 0000000..033c652
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
@@ -0,0 +1,371 @@
+div.dataTables_length label {
+	font-weight: normal;
+	text-align: left;
+	white-space: nowrap;
+}
+
+div.dataTables_length select {
+	width: 75px;
+	display: inline-block;
+}
+
+div.dataTables_filter {
+	text-align: right;
+}
+
+div.dataTables_filter label {
+	font-weight: normal;
+	white-space: nowrap;
+	text-align: left;
+}
+
+div.dataTables_filter input {
+	margin-left: 0.5em;
+	display: inline-block;
+	width: auto;
+}
+
+div.dataTables_info {
+	padding-top: 8px;
+	white-space: nowrap;
+}
+
+div.dataTables_paginate {
+	margin: 0;
+	white-space: nowrap;
+	text-align: right;
+}
+
+div.dataTables_paginate ul.pagination {
+	margin: 2px 0;
+	white-space: nowrap;
+}
+
+@media screen and (max-width: 767px) {
+	div.dataTables_wrapper > div.row > div,
+	div.dataTables_length,
+	div.dataTables_filter,
+	div.dataTables_info,
+	div.dataTables_paginate {
+		text-align: center;
+	}
+
+	div.DTTT {
+		margin-bottom: 0.5em;
+	}
+}
+
+
+table.dataTable td,
+table.dataTable th {
+	-webkit-box-sizing: content-box;
+	-moz-box-sizing: content-box;
+	box-sizing: content-box;
+}
+
+
+table.dataTable {
+	clear: both;
+	margin-top: 6px !important;
+	margin-bottom: 6px !important;
+	max-width: none !important;
+}
+
+table.dataTable thead .sorting,
+table.dataTable thead .sorting_asc,
+table.dataTable thead .sorting_desc,
+table.dataTable thead .sorting_asc_disabled,
+table.dataTable thead .sorting_desc_disabled {
+	cursor: pointer;
+	position: relative;
+}
+
+table.dataTable thead .sorting:after,
+table.dataTable thead .sorting_asc:after,
+table.dataTable thead .sorting_desc:after {
+	position: absolute;
+	top: 8px;
+	right: 8px;
+	display: block;
+	font-family: 'Glyphicons Halflings';
+	opacity: 0.5;
+}
+table.dataTable thead .sorting:after {
+	opacity: 0.2;
+	content: "\e150"; /* sort */
+}
+table.dataTable thead .sorting_asc:after {
+	content: "\e155"; /* sort-by-attributes */
+}
+table.dataTable thead .sorting_desc:after {
+	content: "\e156"; /* sort-by-attributes-alt */
+}
+div.dataTables_scrollBody table.dataTable thead .sorting:after,
+div.dataTables_scrollBody table.dataTable thead .sorting_asc:after,
+div.dataTables_scrollBody table.dataTable thead .sorting_desc:after {
+	display: none;
+}
+
+table.dataTable thead .sorting_asc_disabled:after,
+table.dataTable thead .sorting_desc_disabled:after {
+	color: #eee;
+}
+
+table.dataTable thead > tr > th {
+	padding-right: 30px;
+}
+
+table.dataTable th:active {
+	outline: none;
+}
+
+
+/* Condensed */
+table.dataTable.table-condensed thead > tr > th {
+	padding-right: 20px;
+}
+
+table.dataTable.table-condensed thead .sorting:after,
+table.dataTable.table-condensed thead .sorting_asc:after,
+table.dataTable.table-condensed thead .sorting_desc:after {
+	top: 6px;
+	right: 6px;
+}
+
+/* Scrolling */
+div.dataTables_scrollHead table {
+	margin-bottom: 0 !important;
+	border-bottom-left-radius: 0;
+	border-bottom-right-radius: 0;
+}
+
+div.dataTables_scrollHead table thead tr:last-child th:first-child,
+div.dataTables_scrollHead table thead tr:last-child td:first-child {
+	border-bottom-left-radius: 0 !important;
+	border-bottom-right-radius: 0 !important;
+}
+
+div.dataTables_scrollBody table {
+	border-top: none;
+	margin-top: 0 !important;
+	margin-bottom: 0 !important;
+}
+
+div.dataTables_scrollBody tbody tr:first-child th,
+div.dataTables_scrollBody tbody tr:first-child td {
+	border-top: none;
+}
+
+div.dataTables_scrollFoot table {
+	margin-top: 0 !important;
+	border-top: none;
+}
+
+/* Frustratingly the border-collapse:collapse used by Bootstrap makes the column
+   width calculations when using scrolling impossible to align columns. We have
+   to use separate
+ */
+table.table-bordered.dataTable {
+	border-collapse: separate !important;
+}
+table.table-bordered thead th,
+table.table-bordered thead td {
+	border-left-width: 0;
+	border-top-width: 0;
+}
+table.table-bordered tbody th,
+table.table-bordered tbody td {
+	border-left-width: 0;
+	border-bottom-width: 0;
+}
+table.table-bordered tfoot th,
+table.table-bordered tfoot td {
+    border-left-width: 0;
+    border-bottom-width: 0;
+}
+table.table-bordered th:last-child,
+table.table-bordered td:last-child {
+	border-right-width: 0;
+}
+div.dataTables_scrollHead table.table-bordered {
+	border-bottom-width: 0;
+}
+
+
+
+
+/*
+ * TableTools styles
+ */
+.table.dataTable tbody tr.active td,
+.table.dataTable tbody tr.active th {
+	background-color: #08C;
+	color: white;
+}
+
+.table.dataTable tbody tr.active:hover td,
+.table.dataTable tbody tr.active:hover th {
+	background-color: #0075b0 !important;
+}
+
+.table.dataTable tbody tr.active th > a,
+.table.dataTable tbody tr.active td > a {
+	color: white;
+}
+
+.table-striped.dataTable tbody tr.active:nth-child(odd) td,
+.table-striped.dataTable tbody tr.active:nth-child(odd) th {
+	background-color: #017ebc;
+}
+
+table.DTTT_selectable tbody tr {
+	cursor: pointer;
+}
+
+div.DTTT .btn:hover {
+	text-decoration: none !important;
+}
+
+ul.DTTT_dropdown.dropdown-menu {
+  z-index: 2003;
+}
+
+ul.DTTT_dropdown.dropdown-menu a {
+	color: #333 !important; /* needed only when demo_page.css is included */
+}
+
+ul.DTTT_dropdown.dropdown-menu li {
+	position: relative;
+}
+
+ul.DTTT_dropdown.dropdown-menu li:hover a {
+	background-color: #0088cc;
+	color: white !important;
+}
+
+div.DTTT_collection_background {
+	z-index: 2002;
+}
+
+/* TableTools information display */
+div.DTTT_print_info {
+	position: fixed;
+	top: 50%;
+	left: 50%;
+	width: 400px;
+	height: 150px;
+	margin-left: -200px;
+	margin-top: -75px;
+	text-align: center;
+	color: #333;
+	padding: 10px 30px;
+	opacity: 0.95;
+
+	background-color: white;
+	border: 1px solid rgba(0, 0, 0, 0.2);
+	border-radius: 6px;
+
+	-webkit-box-shadow: 0 3px 7px rgba(0, 0, 0, 0.5);
+	        box-shadow: 0 3px 7px rgba(0, 0, 0, 0.5);
+}
+
+div.DTTT_print_info h6 {
+	font-weight: normal;
+	font-size: 28px;
+	line-height: 28px;
+	margin: 1em;
+}
+
+div.DTTT_print_info p {
+	font-size: 14px;
+	line-height: 20px;
+}
+
+div.dataTables_processing {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 100%;
+    height: 60px;
+    margin-left: -50%;
+    margin-top: -25px;
+    padding-top: 20px;
+    padding-bottom: 20px;
+    text-align: center;
+    font-size: 1.2em;
+    background-color: white;
+    background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255,255,255,0)),
color-stop(25%, rgba(255,255,255,0.9)), color-stop(75%, rgba(255,255,255,0.9)), color-stop(100%,
rgba(255,255,255,0)));
+    background: -webkit-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9)
25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -moz-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9)
25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -ms-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%,
rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -o-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%,
rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%,
rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+}
+
+
+
+/*
+ * FixedColumns styles
+ */
+div.DTFC_LeftHeadWrapper table,
+div.DTFC_LeftFootWrapper table,
+div.DTFC_RightHeadWrapper table,
+div.DTFC_RightFootWrapper table,
+table.DTFC_Cloned tr.even {
+    background-color: white;
+    margin-bottom: 0;
+}
+
+div.DTFC_RightHeadWrapper table ,
+div.DTFC_LeftHeadWrapper table {
+	border-bottom: none !important;
+    margin-bottom: 0 !important;
+    border-top-right-radius: 0 !important;
+    border-bottom-left-radius: 0 !important;
+    border-bottom-right-radius: 0 !important;
+}
+
+div.DTFC_RightHeadWrapper table thead tr:last-child th:first-child,
+div.DTFC_RightHeadWrapper table thead tr:last-child td:first-child,
+div.DTFC_LeftHeadWrapper table thead tr:last-child th:first-child,
+div.DTFC_LeftHeadWrapper table thead tr:last-child td:first-child {
+    border-bottom-left-radius: 0 !important;
+    border-bottom-right-radius: 0 !important;
+}
+
+div.DTFC_RightBodyWrapper table,
+div.DTFC_LeftBodyWrapper table {
+    border-top: none;
+    margin: 0 !important;
+}
+
+div.DTFC_RightBodyWrapper tbody tr:first-child th,
+div.DTFC_RightBodyWrapper tbody tr:first-child td,
+div.DTFC_LeftBodyWrapper tbody tr:first-child th,
+div.DTFC_LeftBodyWrapper tbody tr:first-child td {
+    border-top: none;
+}
+
+div.DTFC_RightFootWrapper table,
+div.DTFC_LeftFootWrapper table {
+    border-top: none;
+    margin-top: 0 !important;
+}
+
+
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting:after,
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting_asc:after,
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting_desc:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting_asc:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting_desc:after {
+	display: none;
+}
+
+
+/*
+ * FixedHeader styles
+ */
+div.FixedHeader_Cloned table {
+	margin: 0 !important
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/4e712faa/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
new file mode 100644
index 0000000..115bf84
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
@@ -0,0 +1,205 @@
+/*! DataTables Bootstrap 3 integration
+ * ©2011-2014 SpryMedia Ltd - datatables.net/license
+ */
+
+/**
+ * DataTables integration for Bootstrap 3. This requires Bootstrap 3 and
+ * DataTables 1.10 or newer.
+ *
+ * This file sets the defaults and adds options to DataTables to style its
+ * controls using Bootstrap. See http://datatables.net/manual/styling/bootstrap
+ * for further information.
+ */
+(function(window, document, undefined){
+
+var factory = function( $, DataTable ) {
+"use strict";
+
+
+/* Set the defaults for DataTables initialisation */
+$.extend( true, DataTable.defaults, {
+	dom:
+		"<'row'<'col-sm-6'l><'col-sm-6'f>>" +
+		"<'row'<'col-sm-12'tr>>" +
+		"<'row'<'col-sm-5'i><'col-sm-7'p>>",
+	renderer: 'bootstrap'
+} );
+
+
+/* Default class modification */
+$.extend( DataTable.ext.classes, {
+	sWrapper:      "dataTables_wrapper form-inline dt-bootstrap",
+	sFilterInput:  "form-control input-sm",
+	sLengthSelect: "form-control input-sm"
+} );
+
+
+/* Bootstrap paging button renderer */
+DataTable.ext.renderer.pageButton.bootstrap = function ( settings, host, idx, buttons, page,
pages ) {
+	var api     = new DataTable.Api( settings );
+	var classes = settings.oClasses;
+	var lang    = settings.oLanguage.oPaginate;
+	var btnDisplay, btnClass, counter=0;
+
+	var attach = function( container, buttons ) {
+		var i, ien, node, button;
+		var clickHandler = function ( e ) {
+			e.preventDefault();
+			if ( !$(e.currentTarget).hasClass('disabled') ) {
+				api.page( e.data.action ).draw( false );
+			}
+		};
+
+		for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
+			button = buttons[i];
+
+			if ( $.isArray( button ) ) {
+				attach( container, button );
+			}
+			else {
+				btnDisplay = '';
+				btnClass = '';
+
+				switch ( button ) {
+					case 'ellipsis':
+						btnDisplay = '&hellip;';
+						btnClass = 'disabled';
+						break;
+
+					case 'first':
+						btnDisplay = lang.sFirst;
+						btnClass = button + (page > 0 ?
+							'' : ' disabled');
+						break;
+
+					case 'previous':
+						btnDisplay = lang.sPrevious;
+						btnClass = button + (page > 0 ?
+							'' : ' disabled');
+						break;
+
+					case 'next':
+						btnDisplay = lang.sNext;
+						btnClass = button + (page < pages-1 ?
+							'' : ' disabled');
+						break;
+
+					case 'last':
+						btnDisplay = lang.sLast;
+						btnClass = button + (page < pages-1 ?
+							'' : ' disabled');
+						break;
+
+					default:
+						btnDisplay = button + 1;
+						btnClass = page === button ?
+							'active' : '';
+						break;
+				}
+
+				if ( btnDisplay ) {
+					node = $('<li>', {
+							'class': classes.sPageButton+' '+btnClass,
+							'id': idx === 0 && typeof button === 'string' ?
+								settings.sTableId +'_'+ button :
+								null
+						} )
+						.append( $('<a>', {
+								'href': '#',
+								'aria-controls': settings.sTableId,
+								'data-dt-idx': counter,
+								'tabindex': settings.iTabIndex
+							} )
+							.html( btnDisplay )
+						)
+						.appendTo( container );
+
+					settings.oApi._fnBindAction(
+						node, {action: button}, clickHandler
+					);
+
+					counter++;
+				}
+			}
+		}
+	};
+
+	// IE9 throws an 'unknown error' if document.activeElement is used
+	// inside an iframe or frame.
+	var activeEl;
+
+	try {
+		// Because this approach is destroying and recreating the paging
+		// elements, focus is lost on the select button which is bad for
+		// accessibility. So we want to restore focus once the draw has
+		// completed
+		activeEl = $(document.activeElement).data('dt-idx');
+	}
+	catch (e) {}
+
+	attach(
+		$(host).empty().html('<ul class="pagination"/>').children('ul'),
+		buttons
+	);
+
+	if ( activeEl ) {
+		$(host).find( '[data-dt-idx='+activeEl+']' ).focus();
+	}
+};
+
+
+/*
+ * TableTools Bootstrap compatibility
+ * Required TableTools 2.1+
+ */
+if ( DataTable.TableTools ) {
+	// Set the classes that TableTools uses to something suitable for Bootstrap
+	$.extend( true, DataTable.TableTools.classes, {
+		"container": "DTTT btn-group",
+		"buttons": {
+			"normal": "btn btn-default",
+			"disabled": "disabled"
+		},
+		"collection": {
+			"container": "DTTT_dropdown dropdown-menu",
+			"buttons": {
+				"normal": "",
+				"disabled": "disabled"
+			}
+		},
+		"print": {
+			"info": "DTTT_print_info"
+		},
+		"select": {
+			"row": "active"
+		}
+	} );
+
+	// Have the collection use a bootstrap compatible drop down
+	$.extend( true, DataTable.TableTools.DEFAULTS.oTags, {
+		"collection": {
+			"container": "ul",
+			"button": "li",
+			"liner": "a"
+		}
+	} );
+}
+
+}; // /factory
+
+
+// Define as an AMD module if possible
+if ( typeof define === 'function' && define.amd ) {
+	define( ['jquery', 'datatables'], factory );
+}
+else if ( typeof exports === 'object' ) {
+    // Node/CommonJS
+    factory( require('jquery'), require('datatables') );
+}
+else if ( jQuery ) {
+	// Otherwise simply initialise as normal, stopping multiple evaluation
+	factory( jQuery, jQuery.fn.dataTable );
+}
+
+
+})(window, document);


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