https://lalitkala.gov.in/js/datatables/js/buttons.print.js

1/*!
2 * Print button for Buttons and DataTables.
3 * 2016 SpryMedia Ltd - datatables.net/license
4 */
5
6(function( factory ){
7	if ( typeof define === 'function' && define.amd ) {
8		// AMD
9		define( ['jquery', 'datatables.net', 'datatables.net-buttons'], function ( $ ) {
10			return factory( $, window, document );
11		} );
12	}
13	else if ( typeof exports === 'object' ) {
14		// CommonJS
15		module.exports = function (root, $) {
16			if ( ! root ) {
17				root = window;
18			}
19
20			if ( ! $ || ! $.fn.dataTable ) {
21				$ = require('datatables.net')(root, $).$;
22			}
23
24			if ( ! $.fn.dataTable.Buttons ) {
25				require('datatables.net-buttons')(root, $);
26			}
27
28			return factory( $, root, root.document );
29		};
30	}
31	else {
32		// Browser
33		factory( jQuery, window, document );
34	}
35}(function( $, window, document, undefined ) {
36'use strict';
37var DataTable = $.fn.dataTable;
38
39
40var _link = document.createElement( 'a' );
41
42/**
43 * Clone link and style tags, taking into account the need to change the source
44 * path.
45 *
46 * @param  {node}     el Element to convert
47 */
48var _styleToAbs = function( el ) {
49	var url;
50	var clone = $(el).clone()[0];
51	var linkHost;
52
53	if ( clone.nodeName.toLowerCase() === 'link' ) {
54		clone.href = _relToAbs( clone.href );
55	}
56
57	return clone.outerHTML;
58};
59
60/**
61 * Convert a URL from a relative to an absolute address so it will work
62 * correctly in the popup window which has no base URL.
63 *
64 * @param  {string} href URL
65 */
66var _relToAbs = function( href ) {
67	// Assign to a link on the original page so the browser will do all the
68	// hard work of figuring out where the file actually is
69	_link.href = href;
70	var linkHost = _link.host;
71
72	// IE doesn't have a trailing slash on the host
73	// Chrome has it on the pathname
74	if ( linkHost.indexOf('/') === -1 && _link.pathname.indexOf('/') !== 0) {
75		linkHost += '/';
76	}
77
78	return _link.protocol+"//"+linkHost+_link.pathname+_link.search;
79};
80
81
82DataTable.ext.buttons.print = {
83	className: 'buttons-print',
84
85	text: function ( dt ) {
86		return dt.i18n( 'buttons.print', 'Print' );
87	},
88
89	action: function ( e, dt, button, config ) {
90		var data = dt.buttons.exportData(
91			$.extend( {decodeEntities: false}, config.exportOptions ) // XSS protection
92		);
93		var exportInfo = dt.buttons.exportInfo( config );
94		var columnClasses = dt
95			.columns( config.exportOptions.columns )
96			.flatten()
97			.map( function (idx) {
98				return dt.settings()[0].aoColumns[dt.column(idx).index()].sClass;
99			} )
100			.toArray();
101
102		var addRow = function ( d, tag ) {
103			var str = '<tr>';
104
105			for ( var i=0, ien=d.length ; i<ien ; i++ ) {
106				// null and undefined aren't useful in the print output
107				var dataOut = d[i] === null || d[i] === undefined ?
108					'' :
109					d[i];
110				var classAttr = columnClasses[i] ?
111					'class="'+columnClasses[i]+'"' :
112					'';
113
114				str += '<'+tag+' '+classAttr+'>'+dataOut+'</'+tag+'>';
115			}
116
117			return str + '</tr>';
118		};
119
120		// Construct a table for printing
121		var html = '<table class="'+dt.table().node().className+'">';
122
123		if ( config.header ) {
124			html += '<thead>'+ addRow( data.header, 'th' ) +'</thead>';
125		}
126
127		html += '<tbody>';
128		for ( var i=0, ien=data.body.length ; i<ien ; i++ ) {
129			html += addRow( data.body[i], 'td' );
130		}
131		html += '</tbody>';
132
133		if ( config.footer && data.footer ) {
134			html += '<tfoot>'+ addRow( data.footer, 'th' ) +'</tfoot>';
135		}
136		html += '</table>';
137
138		// Open a new window for the printable table
139		var win = window.open( '', '' );
140
141		if (! win) {
142			dt.buttons.info(
143				dt.i18n( 'buttons.printErrorTitle', 'Unable to open print view' ),
144				dt.i18n( 'buttons.printErrorMsg', 'Please allow popups in your browser for this site to be able to view the print view.' ),
145				5000
146			);
147
148			return;
149		}
150
151		win.document.close();
152
153		// Inject the title and also a copy of the style and link tags from this
154		// document so the table can retain its base styling. Note that we have
155		// to use string manipulation as IE won't allow elements to be created
156		// in the host document and then appended to the new window.
157		var head = '<title>'+exportInfo.title+'</title>';
158		$('style, link').each( function () {
159			head += _styleToAbs( this );
160		} );
161
162		try {
163			win.document.head.innerHTML = head; // Work around for Edge
164		}
165		catch (e) {
166			$(win.document.head).html( head ); // Old IE
167		}
168
169		// Inject the table and other surrounding information
170		win.document.body.innerHTML =
171			'<h1>'+exportInfo.title+'</h1>'+
172			'<div>'+(exportInfo.messageTop || '')+'</div>'+
173			html+
174			'<div>'+(exportInfo.messageBottom || '')+'</div>';
175
176		$(win.document.body).addClass('dt-print-view');
177
178		$('img', win.document.body).each( function ( i, img ) {
179			img.setAttribute( 'src', _relToAbs( img.getAttribute('src') ) );
180		} );
181
182		if ( config.customize ) {
183			config.customize( win, config, dt );
184		}
185
186		// Allow stylesheets time to load
187		var autoPrint = function () {
188			if ( config.autoPrint ) {
189				win.print(); // blocking - so close will not
190				win.close(); // execute until this is done
191			}
192		};
193
194		if ( navigator.userAgent.match(/Trident\/\d.\d/) ) { // IE needs to call this without a setTimeout
195			autoPrint();
196		}
197		else {
198			win.setTimeout( autoPrint, 1000 );
199		}
200	},
201
202	title: '*',
203
204	messageTop: '*',
205
206	messageBottom: '*',
207
208	exportOptions: {},
209
210	header: true,
211

212	footer: false,
213
214	autoPrint: true,
215
216	customize: null
217};
218
219
220return DataTable.Buttons;
221}));