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The JWebSwing implementation for Data Tables
/*! Buttons for DataTables 1.6.1
* ©2016-2019 SpryMedia Ltd - datatables.net/license
*/
(function( factory ){
if ( typeof define === 'function' && define.amd ) {
// AMD
define( ['jquery', 'datatables.net'], 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, $).$;
}
return factory( $, root, root.document );
};
}
else {
// Browser
factory( jQuery, window, document );
}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
// Used for namespacing events added to the document by each instance, so they
// can be removed on destroy
var _instCounter = 0;
// Button namespacing counter for namespacing events on individual buttons
var _buttonCounter = 0;
var _dtButtons = DataTable.ext.buttons;
/**
* [Buttons description]
* @param {[type]}
* @param {[type]}
*/
var Buttons = function( dt, config )
{
// If not created with a `new` keyword then we return a wrapper function that
// will take the settings object for a DT. This allows easy use of new instances
// with the `layout` option - e.g. `topLeft: $.fn.dataTable.Buttons( ... )`.
if ( !(this instanceof Buttons) ) {
return function (settings) {
return new Buttons( settings, dt ).container();
};
}
// If there is no config set it to an empty object
if ( typeof( config ) === 'undefined' ) {
config = {};
}
// Allow a boolean true for defaults
if ( config === true ) {
config = {};
}
// For easy configuration of buttons an array can be given
if ( $.isArray( config ) ) {
config = { buttons: config };
}
this.c = $.extend( true, {}, Buttons.defaults, config );
// Don't want a deep copy for the buttons
if ( config.buttons ) {
this.c.buttons = config.buttons;
}
this.s = {
dt: new DataTable.Api( dt ),
buttons: [],
listenKeys: '',
namespace: 'dtb'+(_instCounter++)
};
this.dom = {
container: $('<'+this.c.dom.container.tag+'/>')
.addClass( this.c.dom.container.className )
};
this._constructor();
};
$.extend( Buttons.prototype, {
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Public methods
*/
/**
* Get the action of a button
* @param {int|string} Button index
* @return {function}
*//**
* Set the action of a button
* @param {node} node Button element
* @param {function} action Function to set
* @return {Buttons} Self for chaining
*/
action: function ( node, action )
{
var button = this._nodeToButton( node );
if ( action === undefined ) {
return button.conf.action;
}
button.conf.action = action;
return this;
},
/**
* Add an active class to the button to make to look active or get current
* active state.
* @param {node} node Button element
* @param {boolean} [flag] Enable / disable flag
* @return {Buttons} Self for chaining or boolean for getter
*/
active: function ( node, flag ) {
var button = this._nodeToButton( node );
var klass = this.c.dom.button.active;
var jqNode = $(button.node);
if ( flag === undefined ) {
return jqNode.hasClass( klass );
}
jqNode.toggleClass( klass, flag === undefined ? true : flag );
return this;
},
/**
* Add a new button
* @param {object} config Button configuration object, base string name or function
* @param {int|string} [idx] Button index for where to insert the button
* @return {Buttons} Self for chaining
*/
add: function ( config, idx )
{
var buttons = this.s.buttons;
if ( typeof idx === 'string' ) {
var split = idx.split('-');
var base = this.s;
for ( var i=0, ien=split.length-1 ; i=0 ; i-- ) {
this.remove( button.buttons[i].node );
}
}
// Allow the button to remove event handlers, etc
if ( button.conf.destroy ) {
button.conf.destroy.call( dt.button(node), dt, $(node), button.conf );
}
this._removeKey( button.conf );
$(button.node).remove();
var idx = $.inArray( button, host );
host.splice( idx, 1 );
return this;
},
/**
* Get the text for a button
* @param {int|string} node Button index
* @return {string} Button text
*//**
* Set the text for a button
* @param {int|string|function} node Button index
* @param {string} label Text
* @return {Buttons} Self for chaining
*/
text: function ( node, label )
{
var button = this._nodeToButton( node );
var buttonLiner = this.c.dom.collection.buttonLiner;
var linerTag = button.inCollection && buttonLiner && buttonLiner.tag ?
buttonLiner.tag :
this.c.dom.buttonLiner.tag;
var dt = this.s.dt;
var jqNode = $(button.node);
var text = function ( opt ) {
return typeof opt === 'function' ?
opt( dt, jqNode, button.conf ) :
opt;
};
if ( label === undefined ) {
return text( button.conf.text );
}
button.conf.text = label;
if ( linerTag ) {
jqNode.children( linerTag ).html( text(label) );
}
else {
jqNode.html( text(label) );
}
return this;
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Constructor
*/
/**
* Buttons constructor
* @private
*/
_constructor: function ()
{
var that = this;
var dt = this.s.dt;
var dtSettings = dt.settings()[0];
var buttons = this.c.buttons;
if ( ! dtSettings._buttons ) {
dtSettings._buttons = [];
}
dtSettings._buttons.push( {
inst: this,
name: this.c.name
} );
for ( var i=0, ien=buttons.length ; i');
built.conf._collection = built.collection;
this._expandButton( built.buttons, built.conf.buttons, true, attachPoint );
}
// init call is made here, rather than buildButton as it needs to
// be selectable, and for that it needs to be in the buttons array
if ( conf.init ) {
conf.init.call( dt.button( built.node ), dt, $(built.node), conf );
}
buttonCounter++;
}
},
/**
* Create an individual button
* @param {object} config Resolved button configuration
* @param {boolean} inCollection `true` if a collection button
* @return {jQuery} Created button node (jQuery)
* @private
*/
_buildButton: function ( config, inCollection )
{
var buttonDom = this.c.dom.button;
var linerDom = this.c.dom.buttonLiner;
var collectionDom = this.c.dom.collection;
var dt = this.s.dt;
var text = function ( opt ) {
return typeof opt === 'function' ?
opt( dt, button, config ) :
opt;
};
if ( inCollection && collectionDom.button ) {
buttonDom = collectionDom.button;
}
if ( inCollection && collectionDom.buttonLiner ) {
linerDom = collectionDom.buttonLiner;
}
// Make sure that the button is available based on whatever requirements
// it has. For example, Flash buttons require Flash
if ( config.available && ! config.available( dt, config ) ) {
return false;
}
var action = function ( e, dt, button, config ) {
config.action.call( dt.button( button ), e, dt, button, config );
$(dt.table().node()).triggerHandler( 'buttons-action.dt', [
dt.button( button ), dt, button, config
] );
};
var tag = config.tag || buttonDom.tag;
var clickBlurs = config.clickBlurs === undefined ? true : config.clickBlurs
var button = $('<'+tag+'/>')
.addClass( buttonDom.className )
.attr( 'tabindex', this.s.dt.settings()[0].iTabIndex )
.attr( 'aria-controls', this.s.dt.table().node().id )
.on( 'click.dtb', function (e) {
e.preventDefault();
if ( ! button.hasClass( buttonDom.disabled ) && config.action ) {
action( e, dt, button, config );
}
if( clickBlurs ) {
button.blur();
}
} )
.on( 'keyup.dtb', function (e) {
if ( e.keyCode === 13 ) {
if ( ! button.hasClass( buttonDom.disabled ) && config.action ) {
action( e, dt, button, config );
}
}
} );
// Make `a` tags act like a link
if ( tag.toLowerCase() === 'a' ) {
button.attr( 'href', '#' );
}
// Button tags should have `type=button` so they don't have any default behaviour
if ( tag.toLowerCase() === 'button' ) {
button.attr( 'type', 'button' );
}
if ( linerDom.tag ) {
var liner = $('<'+linerDom.tag+'/>')
.html( text( config.text ) )
.addClass( linerDom.className );
if ( linerDom.tag.toLowerCase() === 'a' ) {
liner.attr( 'href', '#' );
}
button.append( liner );
}
else {
button.html( text( config.text ) );
}
if ( config.enabled === false ) {
button.addClass( buttonDom.disabled );
}
if ( config.className ) {
button.addClass( config.className );
}
if ( config.titleAttr ) {
button.attr( 'title', text( config.titleAttr ) );
}
if ( config.attr ) {
button.attr( config.attr );
}
if ( ! config.namespace ) {
config.namespace = '.dt-button-'+(_buttonCounter++);
}
var buttonContainer = this.c.dom.buttonContainer;
var inserter;
if ( buttonContainer && buttonContainer.tag ) {
inserter = $('<'+buttonContainer.tag+'/>')
.addClass( buttonContainer.className )
.append( button );
}
else {
inserter = button;
}
this._addKey( config );
// Style integration callback for DOM manipulation
// Note that this is _not_ documented. It is currently
// for style integration only
if( this.c.buttonCreated ) {
inserter = this.c.buttonCreated( config, inserter );
}
return {
conf: config,
node: button.get(0),
inserter: inserter,
buttons: [],
inCollection: inCollection,
collection: null
};
},
/**
* Get the button object from a node (recursive)
* @param {node} node Button node
* @param {array} [buttons] Button array, uses base if not defined
* @return {object} Button object
* @private
*/
_nodeToButton: function ( node, buttons )
{
if ( ! buttons ) {
buttons = this.s.buttons;
}
for ( var i=0, ien=buttons.length ; i 30 ) {
// Protect against misconfiguration killing the browser
throw 'Buttons: Too many iterations';
}
}
return $.isArray( base ) ?
base :
$.extend( {}, base );
};
conf = toConfObject( conf );
while ( conf && conf.extend ) {
// Use `toConfObject` in case the button definition being extended
// is itself a string or a function
if ( ! _dtButtons[ conf.extend ] ) {
throw 'Cannot extend unknown button type: '+conf.extend;
}
var objArray = toConfObject( _dtButtons[ conf.extend ] );
if ( $.isArray( objArray ) ) {
return objArray;
}
else if ( ! objArray ) {
// This is a little brutal as it might be possible to have a
// valid button without the extend, but if there is no extend
// then the host button would be acting in an undefined state
return false;
}
// Stash the current class name
var originalClassName = objArray.className;
conf = $.extend( {}, objArray, conf );
// The extend will have overwritten the original class name if the
// `conf` object also assigned a class, but we want to concatenate
// them so they are list that is combined from all extended buttons
if ( originalClassName && conf.className !== originalClassName ) {
conf.className = originalClassName+' '+conf.className;
}
// Buttons to be added to a collection -gives the ability to define
// if buttons should be added to the start or end of a collection
var postfixButtons = conf.postfixButtons;
if ( postfixButtons ) {
if ( ! conf.buttons ) {
conf.buttons = [];
}
for ( i=0, ien=postfixButtons.length ; i')
.addClass('dt-button-collection')
.addClass(options.collectionLayout)
.css('display', 'none');
content = $(content)
.addClass(options.contentClassName)
.attr('role', 'menu')
.appendTo(display);
hostNode.attr( 'aria-expanded', 'true' );
if ( hostNode.parents('body')[0] !== document.body ) {
hostNode = document.body.lastChild;
}
if ( options.collectionTitle ) {
display.prepend('');
}
display
.insertAfter( hostNode )
.fadeIn( options.fade );
var tableContainer = $( hostButton.table().container() );
var position = display.css( 'position' );
if ( options.align === 'dt-container' ) {
hostNode = hostNode.parent();
display.css('width', tableContainer.width());
}
if ( position === 'absolute' ) {
var hostPosition = hostNode.position();
display.css( {
top: hostPosition.top + hostNode.outerHeight(),
left: hostPosition.left
} );
// calculate overflow when positioned beneath
var collectionHeight = display.outerHeight();
var collectionWidth = display.outerWidth();
var tableBottom = tableContainer.offset().top + tableContainer.height();
var listBottom = hostPosition.top + hostNode.outerHeight() + collectionHeight;
var bottomOverflow = listBottom - tableBottom;
// calculate overflow when positioned above
var listTop = hostPosition.top - collectionHeight;
var tableTop = tableContainer.offset().top;
var topOverflow = tableTop - listTop;
// if bottom overflow is larger, move to the top because it fits better, or if dropup is requested
var moveTop = hostPosition.top - collectionHeight - 5;
if ( (bottomOverflow > topOverflow || options.dropup) && -moveTop < tableTop ) {
display.css( 'top', moveTop);
}
// Right alignment is enabled on a class, e.g. bootstrap:
// $.fn.dataTable.Buttons.defaults.dom.collection.className += " dropdown-menu-right";
if ( display.hasClass( options.rightAlignClassName ) || options.align === 'button-right' ) {
display.css( 'left', hostPosition.left + hostNode.outerWidth() - collectionWidth );
}
// Right alignment in table container
var listRight = hostPosition.left + collectionWidth;
var tableRight = tableContainer.offset().left + tableContainer.width();
if ( listRight > tableRight ) {
display.css( 'left', hostPosition.left - ( listRight - tableRight ) );
}
// Right alignment to window
var listOffsetRight = hostNode.offset().left + collectionWidth;
if ( listOffsetRight > $(window).width() ) {
display.css( 'left', hostPosition.left - (listOffsetRight-$(window).width()) );
}
}
else {
// Fix position - centre on screen
var top = display.height() / 2;
if ( top > $(window).height() / 2 ) {
top = $(window).height() / 2;
}
display.css( 'marginTop', top*-1 );
}
if ( options.background ) {
Buttons.background( true, options.backgroundClassName, options.fade, hostNode );
}
// This is bonkers, but if we don't have a click listener on the
// background element, iOS Safari will ignore the body click
// listener below. An empty function here is all that is
// required to make it work...
$('div.dt-button-background').on( 'click.dtb-collection', function () {} );
$('body')
.on( 'click.dtb-collection', function (e) {
// andSelf is deprecated in jQ1.8, but we want 1.7 compat
var back = $.fn.addBack ? 'addBack' : 'andSelf';
if ( ! $(e.target).parents()[back]().filter( content ).length ) {
close();
}
} )
.on( 'keyup.dtb-collection', function (e) {
if ( e.keyCode === 27 ) {
close();
}
} );
if ( options.autoClose ) {
setTimeout( function () {
dt.on( 'buttons-action.b-internal', function (e, btn, dt, node) {
if ( node[0] === hostNode[0] ) {
return;
}
close();
} );
}, 0);
}
}
} );
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Statics
*/
/**
* Show / hide a background layer behind a collection
* @param {boolean} Flag to indicate if the background should be shown or
* hidden
* @param {string} Class to assign to the background
* @static
*/
Buttons.background = function ( show, className, fade, insertPoint ) {
if ( fade === undefined ) {
fade = 400;
}
if ( ! insertPoint ) {
insertPoint = document.body;
}
if ( show ) {
$('')
.addClass( className )
.css( 'display', 'none' )
.insertAfter( insertPoint )
.stop()
.fadeIn( fade );
}
else {
$('div.'+className)
.stop()
.fadeOut( fade, function () {
$(this)
.removeClass( className )
.remove();
} );
}
};
/**
* Instance selector - select Buttons instances based on an instance selector
* value from the buttons assigned to a DataTable. This is only useful if
* multiple instances are attached to a DataTable.
* @param {string|int|array} Instance selector - see `instance-selector`
* documentation on the DataTables site
* @param {array} Button instance array that was attached to the DataTables
* settings object
* @return {array} Buttons instances
* @static
*/
Buttons.instanceSelector = function ( group, buttons )
{
if ( group === undefined || group === null ) {
return $.map( buttons, function ( v ) {
return v.inst;
} );
}
var ret = [];
var names = $.map( buttons, function ( v ) {
return v.name;
} );
// Flatten the group selector into an array of single options
var process = function ( input ) {
if ( $.isArray( input ) ) {
for ( var i=0, ien=input.length ; i` in IE - it has to be ``
tag: 'ActiveXObject' in window ?
'a' :
'button',
className: 'dt-button',
active: 'active',
disabled: 'disabled'
},
buttonLiner: {
tag: 'span',
className: ''
}
}
};
/**
* Version information
* @type {string}
* @static
*/
Buttons.version = '1.6.1';
$.extend( _dtButtons, {
collection: {
text: function ( dt ) {
return dt.i18n( 'buttons.collection', 'Collection' );
},
className: 'buttons-collection',
init: function ( dt, button, config ) {
button.attr( 'aria-expanded', false );
},
action: function ( e, dt, button, config ) {
e.stopPropagation();
if ( config._collection.parents('body').length ) {
this.popover(false, config);
}
else {
this.popover(config._collection, config);
}
},
attr: {
'aria-haspopup': true
}
// Also the popover options, defined in Buttons.popover
},
copy: function ( dt, conf ) {
if ( _dtButtons.copyHtml5 ) {
return 'copyHtml5';
}
if ( _dtButtons.copyFlash && _dtButtons.copyFlash.available( dt, conf ) ) {
return 'copyFlash';
}
},
csv: function ( dt, conf ) {
// Common option that will use the HTML5 or Flash export buttons
if ( _dtButtons.csvHtml5 && _dtButtons.csvHtml5.available( dt, conf ) ) {
return 'csvHtml5';
}
if ( _dtButtons.csvFlash && _dtButtons.csvFlash.available( dt, conf ) ) {
return 'csvFlash';
}
},
excel: function ( dt, conf ) {
// Common option that will use the HTML5 or Flash export buttons
if ( _dtButtons.excelHtml5 && _dtButtons.excelHtml5.available( dt, conf ) ) {
return 'excelHtml5';
}
if ( _dtButtons.excelFlash && _dtButtons.excelFlash.available( dt, conf ) ) {
return 'excelFlash';
}
},
pdf: function ( dt, conf ) {
// Common option that will use the HTML5 or Flash export buttons
if ( _dtButtons.pdfHtml5 && _dtButtons.pdfHtml5.available( dt, conf ) ) {
return 'pdfHtml5';
}
if ( _dtButtons.pdfFlash && _dtButtons.pdfFlash.available( dt, conf ) ) {
return 'pdfFlash';
}
},
pageLength: function ( dt ) {
var lengthMenu = dt.settings()[0].aLengthMenu;
var vals = $.isArray( lengthMenu[0] ) ? lengthMenu[0] : lengthMenu;
var lang = $.isArray( lengthMenu[0] ) ? lengthMenu[1] : lengthMenu;
var text = function ( dt ) {
return dt.i18n( 'buttons.pageLength', {
"-1": 'Show all rows',
_: 'Show %d rows'
}, dt.page.len() );
};
return {
extend: 'collection',
text: text,
className: 'buttons-page-length',
autoClose: true,
buttons: $.map( vals, function ( val, i ) {
return {
text: lang[i],
className: 'button-page-length',
action: function ( e, dt ) {
dt.page.len( val ).draw();
},
init: function ( dt, node, conf ) {
var that = this;
var fn = function () {
that.active( dt.page.len() === val );
};
dt.on( 'length.dt'+conf.namespace, fn );
fn();
},
destroy: function ( dt, node, conf ) {
dt.off( 'length.dt'+conf.namespace );
}
};
} ),
init: function ( dt, node, conf ) {
var that = this;
dt.on( 'length.dt'+conf.namespace, function () {
that.text( conf.text );
} );
},
destroy: function ( dt, node, conf ) {
dt.off( 'length.dt'+conf.namespace );
}
};
}
} );
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* DataTables API
*
* For complete documentation, please refer to the docs/api directory or the
* DataTables site
*/
// Buttons group and individual button selector
DataTable.Api.register( 'buttons()', function ( group, selector ) {
// Argument shifting
if ( selector === undefined ) {
selector = group;
group = undefined;
}
this.selector.buttonGroup = group;
var res = this.iterator( true, 'table', function ( ctx ) {
if ( ctx._buttons ) {
return Buttons.buttonSelector(
Buttons.instanceSelector( group, ctx._buttons ),
selector
);
}
}, true );
res._groupSelector = group;
return res;
} );
// Individual button selector
DataTable.Api.register( 'button()', function ( group, selector ) {
// just run buttons() and truncate
var buttons = this.buttons( group, selector );
if ( buttons.length > 1 ) {
buttons.splice( 1, buttons.length );
}
return buttons;
} );
// Active buttons
DataTable.Api.registerPlural( 'buttons().active()', 'button().active()', function ( flag ) {
if ( flag === undefined ) {
return this.map( function ( set ) {
return set.inst.active( set.node );
} );
}
return this.each( function ( set ) {
set.inst.active( set.node, flag );
} );
} );
// Get / set button action
DataTable.Api.registerPlural( 'buttons().action()', 'button().action()', function ( action ) {
if ( action === undefined ) {
return this.map( function ( set ) {
return set.inst.action( set.node );
} );
}
return this.each( function ( set ) {
set.inst.action( set.node, action );
} );
} );
// Enable / disable buttons
DataTable.Api.register( ['buttons().enable()', 'button().enable()'], function ( flag ) {
return this.each( function ( set ) {
set.inst.enable( set.node, flag );
} );
} );
// Disable buttons
DataTable.Api.register( ['buttons().disable()', 'button().disable()'], function () {
return this.each( function ( set ) {
set.inst.disable( set.node );
} );
} );
// Get button nodes
DataTable.Api.registerPlural( 'buttons().nodes()', 'button().node()', function () {
var jq = $();
// jQuery will automatically reduce duplicates to a single entry
$( this.each( function ( set ) {
jq = jq.add( set.inst.node( set.node ) );
} ) );
return jq;
} );
// Get / set button processing state
DataTable.Api.registerPlural( 'buttons().processing()', 'button().processing()', function ( flag ) {
if ( flag === undefined ) {
return this.map( function ( set ) {
return set.inst.processing( set.node );
} );
}
return this.each( function ( set ) {
set.inst.processing( set.node, flag );
} );
} );
// Get / set button text (i.e. the button labels)
DataTable.Api.registerPlural( 'buttons().text()', 'button().text()', function ( label ) {
if ( label === undefined ) {
return this.map( function ( set ) {
return set.inst.text( set.node );
} );
}
return this.each( function ( set ) {
set.inst.text( set.node, label );
} );
} );
// Trigger a button's action
DataTable.Api.registerPlural( 'buttons().trigger()', 'button().trigger()', function () {
return this.each( function ( set ) {
set.inst.node( set.node ).trigger( 'click' );
} );
} );
// Button resolver to the popover
DataTable.Api.register( 'button().popover()', function (content, options) {
return this.map( function ( set ) {
return set.inst._popover( content, this.button(this[0].node), options );
} );
} );
// Get the container elements
DataTable.Api.register( 'buttons().containers()', function () {
var jq = $();
var groupSelector = this._groupSelector;
// We need to use the group selector directly, since if there are no buttons
// the result set will be empty
this.iterator( true, 'table', function ( ctx ) {
if ( ctx._buttons ) {
var insts = Buttons.instanceSelector( groupSelector, ctx._buttons );
for ( var i=0, ien=insts.length ; i'+title+'' : '';
$('')
.html( title )
.append( $('')[ typeof message === 'string' ? 'html' : 'append' ]( message ) )
.css( 'display', 'none' )
.appendTo( 'body' )
.fadeIn();
if ( time !== undefined && time !== 0 ) {
_infoTimer = setTimeout( function () {
that.buttons.info( false );
}, time );
}
this.on('destroy.btn-info', function () {
that.buttons.info(false);
});
return this;
} );
// Get data from the table for export - this is common to a number of plug-in
// buttons so it is included in the Buttons core library
DataTable.Api.register( 'buttons.exportData()', function ( options ) {
if ( this.context.length ) {
return _exportData( new DataTable.Api( this.context[0] ), options );
}
} );
// Get information about the export that is common to many of the export data
// types (DRY)
DataTable.Api.register( 'buttons.exportInfo()', function ( conf ) {
if ( ! conf ) {
conf = {};
}
return {
filename: _filename( conf ),
title: _title( conf ),
messageTop: _message(this, conf.message || conf.messageTop, 'top'),
messageBottom: _message(this, conf.messageBottom, 'bottom')
};
} );
/**
* Get the file name for an exported file.
*
* @param {object} config Button configuration
* @param {boolean} incExtension Include the file name extension
*/
var _filename = function ( config )
{
// Backwards compatibility
var filename = config.filename === '*' && config.title !== '*' && config.title !== undefined && config.title !== null && config.title !== '' ?
config.title :
config.filename;
if ( typeof filename === 'function' ) {
filename = filename();
}
if ( filename === undefined || filename === null ) {
return null;
}
if ( filename.indexOf( '*' ) !== -1 ) {
filename = $.trim( filename.replace( '*', $('head > title').text() ) );
}
// Strip characters which the OS will object to
filename = filename.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
var extension = _stringOrFunction( config.extension );
if ( ! extension ) {
extension = '';
}
return filename + extension;
};
/**
* Simply utility method to allow parameters to be given as a function
*
* @param {undefined|string|function} option Option
* @return {null|string} Resolved value
*/
var _stringOrFunction = function ( option )
{
if ( option === null || option === undefined ) {
return null;
}
else if ( typeof option === 'function' ) {
return option();
}
return option;
};
/**
* Get the title for an exported file.
*
* @param {object} config Button configuration
*/
var _title = function ( config )
{
var title = _stringOrFunction( config.title );
return title === null ?
null : title.indexOf( '*' ) !== -1 ?
title.replace( '*', $('head > title').text() || 'Exported data' ) :
title;
};
var _message = function ( dt, option, position )
{
var message = _stringOrFunction( option );
if ( message === null ) {
return null;
}
var caption = $('caption', dt.table().container()).eq(0);
if ( message === '*' ) {
var side = caption.css( 'caption-side' );
if ( side !== position ) {
return null;
}
return caption.length ?
caption.text() :
'';
}
return message;
};
var _exportTextarea = $('')[0];
var _exportData = function ( dt, inOpts )
{
var config = $.extend( true, {}, {
rows: null,
columns: '',
modifier: {
search: 'applied',
order: 'applied'
},
orthogonal: 'display',
stripHtml: true,
stripNewlines: true,
decodeEntities: true,
trim: true,
format: {
header: function ( d ) {
return strip( d );
},
footer: function ( d ) {
return strip( d );
},
body: function ( d ) {
return strip( d );
}
},
customizeData: null
}, inOpts );
var strip = function ( str ) {
if ( typeof str !== 'string' ) {
return str;
}
// Always remove script tags
str = str.replace( /)<[^<]*)*<\/script>/gi, '' );
// Always remove comments
str = str.replace( //g, '' );
if ( config.stripHtml ) {
str = str.replace( /<[^>]*>/g, '' );
}
if ( config.trim ) {
str = str.replace( /^\s+|\s+$/g, '' );
}
if ( config.stripNewlines ) {
str = str.replace( /\n/g, ' ' );
}
if ( config.decodeEntities ) {
_exportTextarea.innerHTML = str;
str = _exportTextarea.value;
}
return str;
};
var header = dt.columns( config.columns ).indexes().map( function (idx) {
var el = dt.column( idx ).header();
return config.format.header( el.innerHTML, idx, el );
} ).toArray();
var footer = dt.table().footer() ?
dt.columns( config.columns ).indexes().map( function (idx) {
var el = dt.column( idx ).footer();
return config.format.footer( el ? el.innerHTML : '', idx, el );
} ).toArray() :
null;
// If Select is available on this table, and any rows are selected, limit the export
// to the selected rows. If no rows are selected, all rows will be exported. Specify
// a `selected` modifier to control directly.
var modifier = $.extend( {}, config.modifier );
if ( dt.select && typeof dt.select.info === 'function' && modifier.selected === undefined ) {
if ( dt.rows( config.rows, $.extend( { selected: true }, modifier ) ).any() ) {
$.extend( modifier, { selected: true } )
}
}
var rowIndexes = dt.rows( config.rows, modifier ).indexes().toArray();
var selectedCells = dt.cells( rowIndexes, config.columns );
var cells = selectedCells
.render( config.orthogonal )
.toArray();
var cellNodes = selectedCells
.nodes()
.toArray();
var columns = header.length;
var rows = columns > 0 ? cells.length / columns : 0;
var body = [];
var cellCounter = 0;
for ( var i=0, ien=rows ; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy