150 lines
3.6 KiB
JavaScript
150 lines
3.6 KiB
JavaScript
/*!
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* Column visibility buttons for Buttons and DataTables.
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* 2015 SpryMedia Ltd - datatables.net/license
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*/
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(function($, DataTable) {
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"use strict";
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$.extend( DataTable.ext.buttons, {
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// A collection of column visibility buttons
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colvis: function ( dt, conf ) {
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return {
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extend: 'collection',
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text: function ( dt ) {
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return dt.i18n( 'buttons.colvis', 'Column visibility' );
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},
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className: 'buttons-colvis',
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buttons: [ {
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extend: 'columnsToggle',
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columns: conf.columns
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} ]
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};
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},
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// Selected columns with individual buttons - toggle column visibility
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columnsToggle: function ( dt, conf ) {
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var columns = dt.columns( conf.columns ).indexes().map( function ( idx ) {
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return {
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extend: 'columnToggle',
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columns: idx
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};
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} ).toArray();
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return columns;
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},
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// Single button to toggle column visibility
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columnToggle: function ( dt, conf ) {
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return {
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extend: 'columnVisibility',
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columns: conf.columns
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};
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},
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// Selected columns with individual buttons - set column visibility
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columnsVisibility: function ( dt, conf ) {
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var columns = dt.columns( conf.columns ).indexes().map( function ( idx ) {
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return {
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extend: 'columnVisibility',
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columns: idx,
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visibility: conf.visibility
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};
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} ).toArray();
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return columns;
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},
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// Single button to set column visibility
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columnVisibility: {
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columns: null, // column selector
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text: function ( dt, button, conf ) {
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return conf._columnText( dt, conf.columns );
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},
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className: 'buttons-columnVisibility',
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action: function ( e, dt, button, conf ) {
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var col = dt.column( conf.columns );
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col.visible( conf.visibility !== undefined ?
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conf.visibility :
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! col.visible()
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);
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},
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init: function ( dt, button, conf ) {
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var that = this;
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var col = dt.column( conf.columns );
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dt
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.on( 'column-visibility.dt'+conf.namespace, function (e, settings, column, state) {
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if ( column === conf.columns ) {
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that.active( state );
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}
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} )
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.on( 'column-reorder.dt'+conf.namespace, function (e, settings, details) {
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var col = dt.column( conf.columns );
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button.text( conf._columnText( dt, conf.columns ) );
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that.active( col.visible() );
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} );
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this.active( col.visible() );
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},
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destroy: function ( dt, button, conf ) {
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dt
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.off( 'column-visibility.dt'+conf.namespace )
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.off( 'column-reorder.dt'+conf.namespace );
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},
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_columnText: function ( dt, col ) {
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// Use DataTables' internal data structure until this is presented
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// is a public API. The other option is to use
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// `$( column(col).node() ).text()` but the node might not have been
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// populated when Buttons is constructed.
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var idx = dt.column( col ).index();
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return dt.settings()[0].aoColumns[ idx ].sTitle
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.replace(/\n/g," ") // remove new lines
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.replace( /<.*?>/g, "" ) // strip HTML
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.replace(/^\s+|\s+$/g,""); // trim
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}
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},
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colvisRestore: {
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className: 'buttons-colvisRestore',
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text: function ( dt ) {
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return dt.i18n( 'buttons.colvisRestore', 'Restore visibility' );
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},
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init: function ( dt, button, conf ) {
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conf._visOriginal = dt.columns().indexes().map( function ( idx ) {
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return dt.column( idx ).visible();
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} ).toArray();
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},
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action: function ( e, dt, button, conf ) {
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dt.columns().every( function ( i ) {
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this.visible( conf._visOriginal[ i ] );
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} );
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}
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},
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colvisGroup: {
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className: 'buttons-colvisGroup',
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action: function ( e, dt, button, conf ) {
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dt.columns( conf.show ).visible( true );
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dt.columns( conf.hide ).visible( false );
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},
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show: [],
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hide: []
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}
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} );
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})(jQuery, jQuery.fn.dataTable);
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