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static_files/AdminLTE-3.2.0/plugins/datatables-buttons/js/buttons.print.js

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+/*!
+ * Print button 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;
+
+
+var _link = document.createElement( 'a' );
+
+/**
+ * Clone link and style tags, taking into account the need to change the source
+ * path.
+ *
+ * @param  {node}     el Element to convert
+ */
+var _styleToAbs = function( el ) {
+	var url;
+	var clone = $(el).clone()[0];
+	var linkHost;
+
+	if ( clone.nodeName.toLowerCase() === 'link' ) {
+		clone.href = _relToAbs( clone.href );
+	}
+
+	return clone.outerHTML;
+};
+
+/**
+ * Convert a URL from a relative to an absolute address so it will work
+ * correctly in the popup window which has no base URL.
+ *
+ * @param  {string} href URL
+ */
+var _relToAbs = function( href ) {
+	// Assign to a link on the original page so the browser will do all the
+	// hard work of figuring out where the file actually is
+	_link.href = href;
+	var linkHost = _link.host;
+
+	// IE doesn't have a trailing slash on the host
+	// Chrome has it on the pathname
+	if ( linkHost.indexOf('/') === -1 && _link.pathname.indexOf('/') !== 0) {
+		linkHost += '/';
+	}
+
+	return _link.protocol+"//"+linkHost+_link.pathname+_link.search;
+};
+
+
+DataTable.ext.buttons.print = {
+	className: 'buttons-print',
+
+	text: function ( dt ) {
+		return dt.i18n( 'buttons.print', 'Print' );
+	},
+
+	action: function ( e, dt, button, config ) {
+		var data = dt.buttons.exportData(
+			$.extend( {decodeEntities: false}, config.exportOptions ) // XSS protection
+		);
+		var exportInfo = dt.buttons.exportInfo( config );
+		var columnClasses = dt
+			.columns( config.exportOptions.columns )
+			.flatten()
+			.map( function (idx) {
+				return dt.settings()[0].aoColumns[dt.column(idx).index()].sClass;
+			} )
+			.toArray();
+
+		var addRow = function ( d, tag ) {
+			var str = '<tr>';
+
+			for ( var i=0, ien=d.length ; i<ien ; i++ ) {
+				// null and undefined aren't useful in the print output
+				var dataOut = d[i] === null || d[i] === undefined ?
+					'' :
+					d[i];
+				var classAttr = columnClasses[i] ?
+					'class="'+columnClasses[i]+'"' :
+					'';
+
+				str += '<'+tag+' '+classAttr+'>'+dataOut+'</'+tag+'>';
+			}
+
+			return str + '</tr>';
+		};
+
+		// Construct a table for printing
+		var html = '<table class="'+dt.table().node().className+'">';
+
+		if ( config.header ) {
+			html += '<thead>'+ addRow( data.header, 'th' ) +'</thead>';
+		}
+
+		html += '<tbody>';
+		for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
+			html += addRow( data.body[i], 'td' );
+		}
+		html += '</tbody>';
+
+		if ( config.footer && data.footer ) {
+			html += '<tfoot>'+ addRow( data.footer, 'th' ) +'</tfoot>';
+		}
+		html += '</table>';
+
+		// Open a new window for the printable table
+		var win = window.open( '', '' );
+
+		if (! win) {
+			dt.buttons.info(
+				dt.i18n( 'buttons.printErrorTitle', 'Unable to open print view' ),
+				dt.i18n( 'buttons.printErrorMsg', 'Please allow popups in your browser for this site to be able to view the print view.' ),
+				5000
+			);
+
+			return;
+		}
+
+		win.document.close();
+
+		// Inject the title and also a copy of the style and link tags from this
+		// document so the table can retain its base styling. Note that we have
+		// to use string manipulation as IE won't allow elements to be created
+		// in the host document and then appended to the new window.
+		var head = '<title>'+exportInfo.title+'</title>';
+		$('style, link').each( function () {
+			head += _styleToAbs( this );
+		} );
+
+		try {
+			win.document.head.innerHTML = head; // Work around for Edge
+		}
+		catch (e) {
+			$(win.document.head).html( head ); // Old IE
+		}
+
+		// Inject the table and other surrounding information
+		win.document.body.innerHTML =
+			'<h1>'+exportInfo.title+'</h1>'+
+			'<div>'+(exportInfo.messageTop || '')+'</div>'+
+			html+
+			'<div>'+(exportInfo.messageBottom || '')+'</div>';
+
+		$(win.document.body).addClass('dt-print-view');
+
+		$('img', win.document.body).each( function ( i, img ) {
+			img.setAttribute( 'src', _relToAbs( img.getAttribute('src') ) );
+		} );
+
+		if ( config.customize ) {
+			config.customize( win, config, dt );
+		}
+
+		// Allow stylesheets time to load
+		var autoPrint = function () {
+			if ( config.autoPrint ) {
+				win.print(); // blocking - so close will not
+				win.close(); // execute until this is done
+			}
+		};
+
+		if ( navigator.userAgent.match(/Trident\/\d.\d/) ) { // IE needs to call this without a setTimeout
+			autoPrint();
+		}
+		else {
+			win.setTimeout( autoPrint, 1000 );
+		}
+	},
+
+	title: '*',
+
+	messageTop: '*',
+
+	messageBottom: '*',
+
+	exportOptions: {},
+
+	header: true,
+
+	footer: false,
+
+	autoPrint: true,
+
+	customize: null
+};
+
+
+return DataTable.Buttons;
+}));