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The JWebSwing implementation for Data Tables
/*!
* HTML5 export buttons for Buttons and DataTables.
* 2016 SpryMedia Ltd - datatables.net/license
*
* FileSaver.js (1.3.3) - MIT license
* Copyright © 2016 Eli Grey - http://eligrey.com
*/
(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, $, jszip, pdfmake) {
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, jszip, pdfmake );
};
}
else {
// Browser
factory( jQuery, window, document );
}
}(function( $, window, document, jszip, pdfmake, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
// Allow the constructor to pass in JSZip and PDFMake from external requires.
// Otherwise, use globally defined variables, if they are available.
function _jsZip () {
return jszip || window.JSZip;
}
function _pdfMake () {
return pdfmake || window.pdfMake;
}
DataTable.Buttons.pdfMake = function (_) {
if ( ! _ ) {
return _pdfMake();
}
pdfmake = m_ake;
}
DataTable.Buttons.jszip = function (_) {
if ( ! _ ) {
return _jsZip();
}
jszip = _;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* FileSaver.js dependency
*/
/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
var _saveAs = (function(view) {
"use strict";
// IE <10 is explicitly unsupported
if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
return;
}
var
doc = view.document
// only get URL when necessary in case Blob.js hasn't overridden it yet
, get_URL = function() {
return view.URL || view.webkitURL || view;
}
, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
, can_use_save_link = "download" in save_link
, click = function(node) {
var event = new MouseEvent("click");
node.dispatchEvent(event);
}
, is_safari = /constructor/i.test(view.HTMLElement) || view.safari
, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
, throw_outside = function(ex) {
(view.setImmediate || view.setTimeout)(function() {
throw ex;
}, 0);
}
, force_saveable_type = "application/octet-stream"
// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
, arbitrary_revoke_timeout = 1000 * 40 // in ms
, revoke = function(file) {
var revoker = function() {
if (typeof file === "string") { // file is an object URL
get_URL().revokeObjectURL(file);
} else { // file is a File
file.remove();
}
};
setTimeout(revoker, arbitrary_revoke_timeout);
}
, dispatch = function(filesaver, event_types, event) {
event_types = [].concat(event_types);
var i = event_types.length;
while (i--) {
var listener = filesaver["on" + event_types[i]];
if (typeof listener === "function") {
try {
listener.call(filesaver, event || filesaver);
} catch (ex) {
throw_outside(ex);
}
}
}
}
, auto_bom = function(blob) {
// prepend BOM for UTF-8 XML and text/* types (including HTML)
// note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
}
return blob;
}
, FileSaver = function(blob, name, no_auto_bom) {
if (!no_auto_bom) {
blob = auto_bom(blob);
}
// First try a.download, then web filesystem, then object URLs
var
filesaver = this
, type = blob.type
, force = type === force_saveable_type
, object_url
, dispatch_all = function() {
dispatch(filesaver, "writestart progress write writeend".split(" "));
}
// on any filesys errors revert to saving with object URLs
, fs_error = function() {
if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
// Safari doesn't allow downloading of blob urls
var reader = new FileReader();
reader.onloadend = function() {
var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
var popup = view.open(url, '_blank');
if(!popup) view.location.href = url;
url=undefined; // release reference before dispatching
filesaver.readyState = filesaver.DONE;
dispatch_all();
};
reader.readAsDataURL(blob);
filesaver.readyState = filesaver.INIT;
return;
}
// don't create more object URLs than needed
if (!object_url) {
object_url = get_URL().createObjectURL(blob);
}
if (force) {
view.location.href = object_url;
} else {
var opened = view.open(object_url, "_blank");
if (!opened) {
// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
view.location.href = object_url;
}
}
filesaver.readyState = filesaver.DONE;
dispatch_all();
revoke(object_url);
}
;
filesaver.readyState = filesaver.INIT;
if (can_use_save_link) {
object_url = get_URL().createObjectURL(blob);
setTimeout(function() {
save_link.href = object_url;
save_link.download = name;
click(save_link);
dispatch_all();
revoke(object_url);
filesaver.readyState = filesaver.DONE;
});
return;
}
fs_error();
}
, FS_proto = FileSaver.prototype
, saveAs = function(blob, name, no_auto_bom) {
return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
}
;
// IE 10+ (native saveAs)
if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
return function(blob, name, no_auto_bom) {
name = name || blob.name || "download";
if (!no_auto_bom) {
blob = auto_bom(blob);
}
return navigator.msSaveOrOpenBlob(blob, name);
};
}
FS_proto.abort = function(){};
FS_proto.readyState = FS_proto.INIT = 0;
FS_proto.WRITING = 1;
FS_proto.DONE = 2;
FS_proto.error =
FS_proto.onwritestart =
FS_proto.onprogress =
FS_proto.onwrite =
FS_proto.onabort =
FS_proto.onerror =
FS_proto.onwriteend =
null;
return saveAs;
}(
typeof self !== "undefined" && self
|| typeof window !== "undefined" && window
|| this.content
));
// Expose file saver on the DataTables API. Can't attach to `DataTables.Buttons`
// since this file can be loaded before Button's core!
DataTable.fileSave = _saveAs;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Local (private) functions
*/
/**
* Get the sheet name for Excel exports.
*
* @param {object} config Button configuration
*/
var _sheetname = function ( config )
{
var sheetName = 'Sheet1';
if ( config.sheetName ) {
sheetName = config.sheetName.replace(/[\[\]\*\/\\\?\:]/g, '');
}
return sheetName;
};
/**
* Get the newline character(s)
*
* @param {object} config Button configuration
* @return {string} Newline character
*/
var _newLine = function ( config )
{
return config.newline ?
config.newline :
navigator.userAgent.match(/Windows/) ?
'\r\n' :
'\n';
};
/**
* Combine the data from the `buttons.exportData` method into a string that
* will be used in the export file.
*
* @param {DataTable.Api} dt DataTables API instance
* @param {object} config Button configuration
* @return {object} The data to export
*/
var _exportData = function ( dt, config )
{
var newLine = _newLine( config );
var data = dt.buttons.exportData( config.exportOptions );
var boundary = config.fieldBoundary;
var separator = config.fieldSeparator;
var reBoundary = new RegExp( boundary, 'g' );
var escapeChar = config.escapeChar !== undefined ?
config.escapeChar :
'\\';
var join = function ( a ) {
var s = '';
// If there is a field boundary, then we might need to escape it in
// the source data
for ( var i=0, ien=a.length ; i 0 ) {
s += separator;
}
s += boundary ?
boundary + ('' + a[i]).replace( reBoundary, escapeChar+boundary ) + boundary :
a[i];
}
return s;
};
var header = config.header ? join( data.header )+newLine : '';
var footer = config.footer && data.footer ? newLine+join( data.footer ) : '';
var body = [];
for ( var i=0, ien=data.body.length ; i 1 && version[1]*1 < 603.1 ) {
return true;
}
return false;
};
/**
* Convert from numeric position to letter for column names in Excel
* @param {int} n Column number
* @return {string} Column letter(s) name
*/
function createCellPos( n ){
var ordA = 'A'.charCodeAt(0);
var ordZ = 'Z'.charCodeAt(0);
var len = ordZ - ordA + 1;
var s = "";
while( n >= 0 ) {
s = String.fromCharCode(n % len + ordA) + s;
n = Math.floor(n / len) - 1;
}
return s;
}
try {
var _serialiser = new XMLSerializer();
var _ieExcel;
}
catch (t) {}
/**
* Recursively add XML files from an object's structure to a ZIP file. This
* allows the XSLX file to be easily defined with an object's structure matching
* the files structure.
*
* @param {JSZip} zip ZIP package
* @param {object} obj Object to add (recursive)
*/
function _addToZip( zip, obj ) {
if ( _ieExcel === undefined ) {
// Detect if we are dealing with IE's _awful_ serialiser by seeing if it
// drop attributes
_ieExcel = _serialiser
.serializeToString(
$.parseXML( excelStrings['xl/worksheets/sheet1.xml'] )
)
.indexOf( 'xmlns:r' ) === -1;
}
$.each( obj, function ( name, val ) {
if ( $.isPlainObject( val ) ) {
var newDir = zip.folder( name );
_addToZip( newDir, val );
}
else {
if ( _ieExcel ) {
// IE's XML serialiser will drop some name space attributes from
// from the root node, so we need to save them. Do this by
// replacing the namespace nodes with a regular attribute that
// we convert back when serialised. Edge does not have this
// issue
var worksheet = val.childNodes[0];
var i, ien;
var attrs = [];
for ( i=worksheet.attributes.length-1 ; i>=0 ; i-- ) {
var attrName = worksheet.attributes[i].nodeName;
var attrValue = worksheet.attributes[i].nodeValue;
if ( attrName.indexOf( ':' ) !== -1 ) {
attrs.push( { name: attrName, value: attrValue } );
worksheet.removeAttribute( attrName );
}
}
for ( i=0, ien=attrs.length ; i]*?) xmlns=""([^<>]*?)>/g, '<$1 $2>' );
zip.file( name, str );
}
} );
}
/**
* Create an XML node and add any children, attributes, etc without needing to
* be verbose in the DOM.
*
* @param {object} doc XML document
* @param {string} nodeName Node name
* @param {object} opts Options - can be `attr` (attributes), `children`
* (child nodes) and `text` (text content)
* @return {node} Created node
*/
function _createNode( doc, nodeName, opts ) {
var tempNode = doc.createElement( nodeName );
if ( opts ) {
if ( opts.attr ) {
$(tempNode).attr( opts.attr );
}
if ( opts.children ) {
$.each( opts.children, function ( key, value ) {
tempNode.appendChild( value );
} );
}
if ( opts.text !== null && opts.text !== undefined ) {
tempNode.appendChild( doc.createTextNode( opts.text ) );
}
}
return tempNode;
}
/**
* Get the width for an Excel column based on the contents of that column
* @param {object} data Data for export
* @param {int} col Column index
* @return {int} Column width
*/
function _excelColWidth( data, col ) {
var max = data.header[col].length;
var len, lineSplit, str;
if ( data.footer && data.footer[col].length > max ) {
max = data.footer[col].length;
}
for ( var i=0, ien=data.body.length ; i max ) {
max = len;
}
// Max width rather than having potentially massive column widths
if ( max > 40 ) {
return 54; // 40 * 1.35
}
}
max *= 1.35;
// And a min width
return max > 6 ? max : 6;
}
// Excel - Pre-defined strings to build a basic XLSX file
var excelStrings = {
"_rels/.rels":
''+
''+
' ',
"xl/_rels/workbook.xml.rels":
''+
''+
' ',
"[Content_Types].xml":
''+
''+
' ',
"xl/workbook.xml":
''+
''+
''+
' '+
''+
' '+
' ',
"xl/worksheets/sheet1.xml":
''+
''+
' ',
"xl/styles.xml":
''+
''+
''+
' '+
''+
''+
' '+
''+
''+
' '+
''+ // Excel appears to use this as a dotted background regardless of values but
' '+
''+
''+
' '+
' '+
''+
''+
' '+
' '+
''+
''+
' '+
' '+
''+
''+
' '+
' '+
' '+
''+
''+
' '+
''+
''+
' '+
''+
' '+
''+
' '+
''+
' '+
' '+
' '+
''+
' '+
''+
''+
' '+
''+
' '+
''+
' '+
''+
' '+
''+
' '+
''+
' '+
' '+
''+
' '+
' '
};
// Note we could use 3 `for` loops for the styles, but when gzipped there is
// virtually no difference in size, since the above can be easily compressed
// Pattern matching for special number formats. Perhaps this should be exposed
// via an API in future?
// Ref: section 3.8.30 - built in formatters in open spreadsheet
// https://www.ecma-international.org/news/TC45_current_work/Office%20Open%20XML%20Part%204%20-%20Markup%20Language%20Reference.pdf
var _excelSpecials = [
{ match: /^\-?\d+\.\d%$/, style: 60, fmt: function (d) { return d/100; } }, // Precent with d.p.
{ match: /^\-?\d+\.?\d*%$/, style: 56, fmt: function (d) { return d/100; } }, // Percent
{ match: /^\-?\$[\d,]+.?\d*$/, style: 57 }, // Dollars
{ match: /^\-?£[\d,]+.?\d*$/, style: 58 }, // Pounds
{ match: /^\-?€[\d,]+.?\d*$/, style: 59 }, // Euros
{ match: /^\-?\d+$/, style: 65 }, // Numbers without thousand separators
{ match: /^\-?\d+\.\d{2}$/, style: 66 }, // Numbers 2 d.p. without thousands separators
{ match: /^\([\d,]+\)$/, style: 61, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } }, // Negative numbers indicated by brackets
{ match: /^\([\d,]+\.\d{2}\)$/, style: 62, fmt: function (d) { return -1 * d.replace(/[\(\)]/g, ''); } }, // Negative numbers indicated by brackets - 2d.p.
{ match: /^\-?[\d,]+$/, style: 63 }, // Numbers with thousand separators
{ match: /^\-?[\d,]+\.\d{2}$/, style: 64 } // Numbers with 2 d.p. and thousands separators
];
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Buttons
*/
//
// Copy to clipboard
//
DataTable.ext.buttons.copyHtml5 = {
className: 'buttons-copy buttons-html5',
text: function ( dt ) {
return dt.i18n( 'buttons.copy', 'Copy' );
},
action: function ( e, dt, button, config ) {
this.processing( true );
var that = this;
var exportData = _exportData( dt, config );
var info = dt.buttons.exportInfo( config );
var newline = _newLine(config);
var output = exportData.str;
var hiddenDiv = $('')
.css( {
height: 1,
width: 1,
overflow: 'hidden',
position: 'fixed',
top: 0,
left: 0
} );
if ( info.title ) {
output = info.title + newline + newline + output;
}
if ( info.messageTop ) {
output = info.messageTop + newline + newline + output;
}
if ( info.messageBottom ) {
output = output + newline + newline + info.messageBottom;
}
if ( config.customize ) {
output = config.customize( output, config, dt );
}
var textarea = $('')
.val( output )
.appendTo( hiddenDiv );
// For browsers that support the copy execCommand, try to use it
if ( document.queryCommandSupported('copy') ) {
hiddenDiv.appendTo( dt.table().container() );
textarea[0].focus();
textarea[0].select();
try {
var successful = document.execCommand( 'copy' );
hiddenDiv.remove();
if (successful) {
dt.buttons.info(
dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ),
dt.i18n( 'buttons.copySuccess', {
1: 'Copied one row to clipboard',
_: 'Copied %d rows to clipboard'
}, exportData.rows ),
2000
);
this.processing( false );
return;
}
}
catch (t) {}
}
// Otherwise we show the text box and instruct the user to use it
var message = $(''+dt.i18n( 'buttons.copyKeys',
'Press ctrl or \u2318 + C to copy the table data
to your system clipboard.
'+
'To cancel, click this message or press escape.' )+''
)
.append( hiddenDiv );
dt.buttons.info( dt.i18n( 'buttons.copyTitle', 'Copy to clipboard' ), message, 0 );
// Select the text so when the user activates their system clipboard
// it will copy that text
textarea[0].focus();
textarea[0].select();
// Event to hide the message when the user is done
var container = $(message).closest('.dt-button-info');
var close = function () {
container.off( 'click.buttons-copy' );
$(document).off( '.buttons-copy' );
dt.buttons.info( false );
};
container.on( 'click.buttons-copy', close );
$(document)
.on( 'keydown.buttons-copy', function (e) {
if ( e.keyCode === 27 ) { // esc
close();
that.processing( false );
}
} )
.on( 'copy.buttons-copy cut.buttons-copy', function () {
close();
that.processing( false );
} );
},
exportOptions: {},
fieldSeparator: '\t',
fieldBoundary: '',
header: true,
footer: false,
title: '*',
messageTop: '*',
messageBottom: '*'
};
//
// CSV export
//
DataTable.ext.buttons.csvHtml5 = {
bom: false,
className: 'buttons-csv buttons-html5',
available: function () {
return window.FileReader !== undefined && window.Blob;
},
text: function ( dt ) {
return dt.i18n( 'buttons.csv', 'CSV' );
},
action: function ( e, dt, button, config ) {
this.processing( true );
// Set the text
var output = _exportData( dt, config ).str;
var info = dt.buttons.exportInfo(config);
var charset = config.charset;
if ( config.customize ) {
output = config.customize( output, config, dt );
}
if ( charset !== false ) {
if ( ! charset ) {
charset = document.characterSet || document.charset;
}
if ( charset ) {
charset = ';charset='+charset;
}
}
else {
charset = '';
}
if ( config.bom ) {
output = '\ufeff' + output;
}
_saveAs(
new Blob( [output], {type: 'text/csv'+charset} ),
info.filename,
true
);
this.processing( false );
},
filename: '*',
extension: '.csv',
exportOptions: {},
fieldSeparator: ',',
fieldBoundary: '"',
escapeChar: '"',
charset: null,
header: true,
footer: false
};
//
// Excel (xlsx) export
//
DataTable.ext.buttons.excelHtml5 = {
className: 'buttons-excel buttons-html5',
available: function () {
return window.FileReader !== undefined && _jsZip() !== undefined && ! _isDuffSafari() && _serialiser;
},
text: function ( dt ) {
return dt.i18n( 'buttons.excel', 'Excel' );
},
action: function ( e, dt, button, config ) {
this.processing( true );
var that = this;
var rowPos = 0;
var dataStartRow, dataEndRow;
var getXml = function ( type ) {
var str = excelStrings[ type ];
//str = str.replace( /xmlns:/g, 'xmlns_' ).replace( /mc:/g, 'mc_' );
return $.parseXML( str );
};
var rels = getXml('xl/worksheets/sheet1.xml');
var relsGet = rels.getElementsByTagName( "sheetData" )[0];
var xlsx = {
_rels: {
".rels": getXml('_rels/.rels')
},
xl: {
_rels: {
"workbook.xml.rels": getXml('xl/_rels/workbook.xml.rels')
},
"workbook.xml": getXml('xl/workbook.xml'),
"styles.xml": getXml('xl/styles.xml'),
"worksheets": {
"sheet1.xml": rels
}
},
"[Content_Types].xml": getXml('[Content_Types].xml')
};
var data = dt.buttons.exportData( config.exportOptions );
var currentRow, rowNode;
var addRow = function ( row ) {
currentRow = rowPos+1;
rowNode = _createNode( rels, "row", { attr: {r:currentRow} } );
for ( var i=0, ien=row.length ; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy