/*!
* Column visibility buttons for Buttons and DataTables.
* 2016 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
module.exports = function (root, $) {
if ( ! root ) {
root = window;
}
if ( ! $ || ! $.fn.dataTable ) {
$ = require('datatables.net')(root, $).$;
}
if ( ! $.fn.dataTable.Buttons ) {
require('datatables.net-buttons')(root, $);
}
return factory( $, root, root.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 ) {
return {
extend: 'collection',
text: function ( dt ) {
return dt.i18n( 'buttons.colvis', 'Column visibility' );
},
className: 'buttons-colvis',
buttons: [ {
extend: 'columnsToggle',
columns: conf.columns
} ]
};
},
// 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
};
} ).toArray();
return columns;
},
// Single button to toggle column visibility
columnToggle: function ( dt, conf ) {
return {
extend: 'columnVisibility',
columns: conf.columns
};
},
// 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
};
} ).toArray();
return columns;
},
// Single button to set column visibility
columnVisibility: {
columns: undefined, // column selector
text: function ( dt, button, conf ) {
return conf._columnText( dt, conf.columns );
},
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;
var col = dt.column( conf.columns );
dt
.on( 'column-visibility.dt'+conf.namespace, function (e, settings) {
if ( ! settings.bDestroying ) {
that.active( col.visible() );
}
} )
.on( 'column-reorder.dt'+conf.namespace, function (e, settings, details) {
// Don't rename buttons based on column name if the button
// controls more than one column!
if ( dt.columns( conf.columns ).count() !== 1 ) {
return;
}
if ( typeof conf.columns === 'number' ) {
conf.columns = details.mapping[ conf.columns ];
}
var col = dt.column( conf.columns );
that.text( conf._columnText( dt, conf.columns ) );
that.active( col.visible() );
} );
this.active( col.visible() );
},
destroy: function ( dt, button, conf ) {
dt
.off( 'column-visibility.dt'+conf.namespace )
.off( 'column-reorder.dt'+conf.namespace );
},
_columnText: function ( dt, col ) {
// 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( col ).index();
return dt.settings()[0].aoColumns[ idx ].sTitle
.replace(/\n/g," ") // remove new lines
.replace( /<.*?>/g, "" ) // strip HTML
.replace(/^\s+|\s+$/g,""); // trim
}
},
colvisRestore: {
className: 'buttons-colvisRestore',
text: function ( dt ) {
return dt.i18n( 'buttons.colvisRestore', 'Restore visibility' );
},
init: function ( dt, button, conf ) {
conf._visOriginal = dt.columns().indexes().map( function ( idx ) {
return dt.column( idx ).visible();
} ).toArray();
},
action: function ( e, dt, button, conf ) {
dt.columns().every( function ( i ) {
// Take into account that ColReorder might have disrupted our
// indexes
var idx = dt.colReorder && dt.colReorder.transpose ?
dt.colReorder.transpose( i, 'toOriginal' ) :
i;
this.visible( conf._visOriginal[ idx ] );
} );
}
},
colvisGroup: {
className: 'buttons-colvisGroup',
action: function ( e, dt, button, conf ) {
dt.columns( conf.show ).visible( true, false );
dt.columns( conf.hide ).visible( false, false );
dt.columns.adjust();
},
show: [],
hide: []
}
} );
return DataTable.Buttons;
}));
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