GPQAPP

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/*!
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 * Column visibility buttons for Buttons and DataTables.
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 * 2016 SpryMedia Ltd - datatables.net/license
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 */
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(function( factory ){
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	if ( typeof define === 'function' && define.amd ) {
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		// AMD
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		define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
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			return factory( $, window, document );
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		} );
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	}
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	else if ( typeof exports === 'object' ) {
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		// CommonJS
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		module.exports = function (root, $) {
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			if ( ! root ) {
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				root = window;
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			}
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			if ( ! $ || ! $.fn.dataTable ) {
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				$ = require('datatables.net')(root, $).$;
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			}
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			if ( ! $.fn.dataTable.Buttons ) {
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				require('datatables.net-buttons')(root, $);
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			}
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			return factory( $, root, root.document );
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		};
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	}
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	else {
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		// Browser
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		factory( jQuery, window, document );
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	}
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}(function( $, window, document, undefined ) {
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'use strict';
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var DataTable = $.fn.dataTable;
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$.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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		var node = null;
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		var buttonConf = {
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			extend: 'collection',
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			init: function ( dt, n ) {
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				node = n;
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			},
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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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			closeButton: false,
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			buttons: [ {
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				extend: 'columnsToggle',
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				columns: conf.columns,
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				columnText: conf.columnText
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			} ]
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		};
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		// Rebuild the collection with the new column structure if columns are reordered
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		dt.on( 'column-reorder.dt'+conf.namespace, function (e, settings, details) {
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			// console.log(node);
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			// console.log('node', dt.button(null, node).node());
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			dt.button(null, dt.button(null, node).node()).collectionRebuild([{
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				extend: 'columnsToggle',
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				columns: conf.columns,
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				columnText: conf.columnText
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			}]);
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		});
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		return buttonConf;
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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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				columnText: conf.columnText
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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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			columnText: conf.columnText
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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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				columnText: conf.columnText
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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: undefined, // column selector
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		text: function ( dt, button, conf ) {
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			return conf._columnText( dt, conf );
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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.columns( conf.columns );
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			var curr = col.visible();
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			col.visible( conf.visibility !== undefined ?
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				conf.visibility :
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				! (curr.length ? curr[0] : false )
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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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			button.attr( 'data-cv-idx', conf.columns );
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			dt
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				.on( 'column-visibility.dt'+conf.namespace, function (e, settings) {
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					if ( ! settings.bDestroying && settings.nTable == dt.settings()[0].nTable ) {
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						that.active( dt.column( conf.columns ).visible() );
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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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					// Button has been removed from the DOM
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					if ( conf.destroying ) {
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						return;
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					}
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					if ( dt.columns( conf.columns ).count() !== 1 ) {
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						return;
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					}
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					// This button controls the same column index but the text for the column has
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					// changed
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					that.text( conf._columnText( dt, conf ) );
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					// Since its a different column, we need to check its visibility
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					that.active( dt.column( conf.columns ).visible() );
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				} );
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			this.active( dt.column( conf.columns ).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, conf ) {
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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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			// `$( column(col).node() ).text()` but the node might not have been
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			// populated when Buttons is constructed.
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			var idx = dt.column( conf.columns ).index();
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			var title = dt.settings()[0].aoColumns[ idx ].sTitle;
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			if (! title) {
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				title = dt.column(idx).header().innerHTML;
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			}
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			title = title
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				.replace(/\n/g," ")        // remove new lines
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				.replace(/<br\s*\/?>/gi, " ")  // replace line breaks with spaces
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				.replace(/<select(.*?)<\/select>/g, "") // remove select tags, including options text
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				.replace(/<!\-\-.*?\-\->/g, "") // strip HTML comments
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				.replace(/<.*?>/g, "")   // strip HTML
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				.replace(/^\s+|\s+$/g,""); // trim
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			return conf.columnText ?
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				conf.columnText( dt, idx, title ) :
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				title;
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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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				// Take into account that ColReorder might have disrupted our
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				// indexes
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				var idx = dt.colReorder && dt.colReorder.transpose ?
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					dt.colReorder.transpose( i, 'toOriginal' ) :
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					i;
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				this.visible( conf._visOriginal[ idx ] );
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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, false );
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			dt.columns( conf.hide ).visible( false, false );
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			dt.columns.adjust();
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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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return DataTable.Buttons;
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}));
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