/*!
* Column visibility buttons for Buttons and DataTables.
* © SpryMedia Ltd - datatables.net/license
*/
(function( factory ){
if ( typeof define === 'function' && define.amd ) {
// AMD
define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
return factory( $, window, document );
} );
}
else if ( typeof exports === 'object' ) {
// CommonJS
var jq = require('jquery');
var cjsRequires = function (root, $) {
if ( ! $.fn.dataTable ) {
require('datatables.net')(root, $);
}
if ( ! $.fn.dataTable.Buttons ) {
require('datatables.net-buttons')(root, $);
}
};
if (typeof window === 'undefined') {
module.exports = function (root, $) {
if ( ! root ) {
// CommonJS environments without a window global must pass a
// root. This will give an error otherwise
root = window;
}
if ( ! $ ) {
$ = jq( root );
}
cjsRequires( root, $ );
return factory( $, root, root.document );
};
}
else {
cjsRequires( window, jq );
module.exports = factory( jq, window, window.document );
}
}
else {
// Browser
factory( jQuery, window, document );
}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
$.extend(DataTable.ext.buttons, {
// A collection of column visibility buttons
colvis: function (dt, conf) {
var node = null;
var buttonConf = {
extend: 'collection',
init: function (dt, n) {
node = n;
},
text: function (dt) {
return dt.i18n('buttons.colvis', 'Column visibility');
},
className: 'buttons-colvis',
closeButton: false,
buttons: [
{
extend: 'columnsToggle',
columns: conf.columns,
columnText: conf.columnText
}
]
};
// Rebuild the collection with the new column structure if columns are reordered
dt.on('column-reorder.dt' + conf.namespace, function (e, settings, details) {
dt.button(null, dt.button(null, node).node()).collectionRebuild([
{
extend: 'columnsToggle',
columns: conf.columns,
columnText: conf.columnText
}
]);
});
return buttonConf;
},
// Selected columns with individual buttons - toggle column visibility
columnsToggle: function (dt, conf) {
var columns = dt
.columns(conf.columns)
.indexes()
.map(function (idx) {
return {
extend: 'columnToggle',
columns: idx,
columnText: conf.columnText
};
})
.toArray();
return columns;
},
// Single button to toggle column visibility
columnToggle: function (dt, conf) {
return {
extend: 'columnVisibility',
columns: conf.columns,
columnText: conf.columnText
};
},
// Selected columns with individual buttons - set column visibility
columnsVisibility: function (dt, conf) {
var columns = dt
.columns(conf.columns)
.indexes()
.map(function (idx) {
return {
extend: 'columnVisibility',
columns: idx,
visibility: conf.visibility,
columnText: conf.columnText
};
})
.toArray();
return columns;
},
// Single button to set column visibility
columnVisibility: {
columns: undefined, // column selector
text: function (dt, button, conf) {
return conf._columnText(dt, conf);
},
className: 'buttons-columnVisibility',
action: function (e, dt, button, conf) {
var col = dt.columns(conf.columns);
var curr = col.visible();
col.visible(
conf.visibility !== undefined ? conf.visibility : !(curr.length ? curr[0] : false)
);
},
init: function (dt, button, conf) {
var that = this;
button.attr('data-cv-idx', conf.columns);
dt.on('column-visibility.dt' + conf.namespace, function (e, settings) {
if (!settings.bDestroying && settings.nTable == dt.settings()[0].nTable) {
that.active(dt.column(conf.columns).visible());
}
}).on('column-reorder.dt' + conf.namespace, function (e, settings, details) {
// Button has been removed from the DOM
if (conf.destroying) {
return;
}
if (dt.columns(conf.columns).count() !== 1) {
return;
}
// This button controls the same column index but the text for the column has
// changed
that.text(conf._columnText(dt, conf));
// Since its a different column, we need to check its visibility
that.active(dt.column(conf.columns).visible());
});
this.active(dt.column(conf.columns).visible());
},
destroy: function (dt, button, conf) {
dt.off('column-visibility.dt' + conf.namespace).off(
'column-reorder.dt' + conf.namespace
);
},
_columnText: function (dt, conf) {
// Use DataTables' internal data structure until this is presented
// is a public API. The other option is to use
// `$( column(col).node() ).text()` but the node might not have been
// populated when Buttons is constructed.
var idx = dt.column(conf.columns).index();
var title = dt.settings()[0].aoColumns[idx].sTitle;
if (!title) {
title = dt.column(idx).header().innerHTML;
}
title = title
.replace(/\n/g, ' ') // remove new lines
.replace(/
/gi, ' ') // replace line breaks with spaces
.replace(/