sagacity/script/datatables/Buttons-1.0.3/js/buttons.colVis.js
2018-05-07 10:51:08 -04:00

150 lines
3.6 KiB
JavaScript

/*!
* Column visibility buttons for Buttons and DataTables.
* 2015 SpryMedia Ltd - datatables.net/license
*/
(function($, DataTable) {
"use strict";
$.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: null, // 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.column( conf.columns );
col.visible( conf.visibility !== undefined ?
conf.visibility :
! col.visible()
);
},
init: function ( dt, button, conf ) {
var that = this;
var col = dt.column( conf.columns );
dt
.on( 'column-visibility.dt'+conf.namespace, function (e, settings, column, state) {
if ( column === conf.columns ) {
that.active( state );
}
} )
.on( 'column-reorder.dt'+conf.namespace, function (e, settings, details) {
var col = dt.column( conf.columns );
button.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 ) {
this.visible( conf._visOriginal[ i ] );
} );
}
},
colvisGroup: {
className: 'buttons-colvisGroup',
action: function ( e, dt, button, conf ) {
dt.columns( conf.show ).visible( true );
dt.columns( conf.hide ).visible( false );
},
show: [],
hide: []
}
} );
})(jQuery, jQuery.fn.dataTable);