/*! Buttons for DataTables 1.2.0
* ©2016 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 )
{
// 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<ien ; i++ ) {
base = base.buttons[ split[i]*1 ];
}
buttons = base.buttons;
idx = split[ split.length-1 ]*1;
}
this._expandButton( buttons, config, false, idx );
this._draw();
return this;
},
/**
* Get the container node for the buttons
* @return {jQuery} Buttons node
*/
container: function ()
{
return this.dom.container;
},
/**
* Disable a button
* @param {node} node Button node
* @return {Buttons} Self for chaining
*/
disable: function ( node ) {
var button = this._nodeToButton( node );
$(button.node).addClass( this.c.dom.button.disabled );
return this;
},
/**
* Destroy the instance, cleaning up event handlers and removing DOM
* elements
* @return {Buttons} Self for chaining
*/
destroy: function ()
{
// Key event listener
$('body').off( 'keyup.'+this.s.namespace );
// Individual button destroy (so they can remove their own events if
// needed
var buttons = this.s.buttons;
var i, ien;
for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
this.remove( buttons[i].node );
}
// Container
this.dom.container.remove();
// Remove from the settings object collection
var buttonInsts = this.s.dt.settings()[0];
for ( i=0, ien=buttonInsts.length ; i<ien ; i++ ) {
if ( buttonInsts.inst === this ) {
buttonInsts.splice( i, 1 );
break;
}
}
return this;
},
/**
* Enable / disable a button
* @param {node} node Button node
* @param {boolean} [flag=true] Enable / disable flag
* @return {Buttons} Self for chaining
*/
enable: function ( node, flag )
{
if ( flag === false ) {
return this.disable( node );
}
var button = this._nodeToButton( node );
$(button.node).removeClass( this.c.dom.button.disabled );
return this;
},
/**
* Get the instance name for the button set selector
* @return {string} Instance name
*/
name: function ()
{
return this.c.name;
},
/**
* Get a button's node
* @param {node} node Button node
* @return {jQuery} Button element
*/
node: function ( node )
{
var button = this._nodeToButton( node );
return $(button.node);
},
/**
* Remove a button.
* @param {node} node Button node
* @return {Buttons} Self for chaining
*/
remove: function ( node )
{
var button = this._nodeToButton( node );
var host = this._nodeToHost( node );
var dt = this.s.dt;
// Remove any child buttons first
if ( button.buttons.length ) {
for ( var i=button.buttons.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<ien ; i++ ) {
this.add( buttons[i] );
}
dt.on( 'destroy', function () {
that.destroy();
} );
// Global key event binding to listen for button keys
$('body').on( 'keyup.'+this.s.namespace, function ( e ) {
if ( ! document.activeElement || document.activeElement === document.body ) {
// SUse a string of characters for fast lookup of if we need to
// handle this
var character = String.fromCharCode(e.keyCode).toLowerCase();
if ( that.s.listenKeys.toLowerCase().indexOf( character ) !== -1 ) {
that._keypress( character, e );
}
}
} );
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Private methods
*/
/**
* Add a new button to the key press listener
* @param {object} conf Resolved button configuration object
* @private
*/
_addKey: function ( conf )
{
if ( conf.key ) {
this.s.listenKeys += $.isPlainObject( conf.key ) ?
conf.key.key :
conf.key;
}
},
/**
* Insert the buttons into the container. Call without parameters!
* @param {node} [container] Recursive only - Insert point
* @param {array} [buttons] Recursive only - Buttons array
* @private
*/
_draw: function ( container, buttons )
{
if ( ! container ) {
container = this.dom.container;
buttons = this.s.buttons;
}
container.children().detach();
for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
container.append( buttons[i].inserter );
if ( buttons[i].buttons && buttons[i].buttons.length ) {
this._draw( buttons[i].collection, buttons[i].buttons );
}
}
},
/**
* Create buttons from an array of buttons
* @param {array} attachTo Buttons array to attach to
* @param {object} button Button definition
* @param {boolean} inCollection true if the button is in a collection
* @private
*/
_expandButton: function ( attachTo, button, inCollection, attachPoint )
{
var dt = this.s.dt;
var buttonCounter = 0;
var buttons = ! $.isArray( button ) ?
[ button ] :
button;
for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
var conf = this._resolveExtends( buttons[i] );
if ( ! conf ) {
continue;
}
// If the configuration is an array, then expand the buttons at this
// point
if ( $.isArray( conf ) ) {
this._expandButton( attachTo, conf, inCollection, attachPoint );
continue;
}
var built = this._buildButton( conf, inCollection );
if ( ! built ) {
continue;
}
if ( attachPoint !== undefined ) {
attachTo.splice( attachPoint, 0, built );
attachPoint++;
}
else {
attachTo.push( built );
}
if ( built.conf.buttons ) {
var collectionDom = this.c.dom.collection;
built.collection = $('<'+collectionDom.tag+'/>')
.addClass( collectionDom.className );
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 button = $('<'+buttonDom.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 );
}
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 ( buttonDom.tag.toLowerCase() === 'a' ) {
button.attr( 'href', '#' );
}
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', config.titleAttr );
}
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 );
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<ien ; i++ ) {
if ( buttons[i].node === node ) {
return buttons[i];
}
if ( buttons[i].buttons.length ) {
var ret = this._nodeToButton( node, buttons[i].buttons );
if ( ret ) {
return ret;
}
}
}
},
/**
* Get container array for a button from a button node (recursive)
* @param {node} node Button node
* @param {array} [buttons] Button array, uses base if not defined
* @return {array} Button's host array
* @private
*/
_nodeToHost: function ( node, buttons )
{
if ( ! buttons ) {
buttons = this.s.buttons;
}
for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
if ( buttons[i].node === node ) {
return buttons;
}
if ( buttons[i].buttons.length ) {
var ret = this._nodeToHost( node, buttons[i].buttons );
if ( ret ) {
return ret;
}
}
}
},
/**
* Handle a key press - determine if any button's key configured matches
* what was typed and trigger the action if so.
* @param {string} character The character pressed
* @param {object} e Key event that triggered this call
* @private
*/
_keypress: function ( character, e )
{
var run = function ( conf, node ) {
if ( ! conf.key ) {
return;
}
if ( conf.key === character ) {
$(node).click();
}
else if ( $.isPlainObject( conf.key ) ) {
if ( conf.key.key !== character ) {
return;
}
if ( conf.key.shiftKey && ! e.shiftKey ) {
return;
}
if ( conf.key.altKey && ! e.altKey ) {
return;
}
if ( conf.key.ctrlKey && ! e.ctrlKey ) {
return;
}
if ( conf.key.metaKey && ! e.metaKey ) {
return;
}
// Made it this far - it is good
$(node).click();
}
};
var recurse = function ( a ) {
for ( var i=0, ien=a.length ; i<ien ; i++ ) {
run( a[i].conf, a[i].node );
if ( a[i].buttons.length ) {
recurse( a[i].buttons );
}
}
};
recurse( this.s.buttons );
},
/**
* Remove a key from the key listener for this instance (to be used when a
* button is removed)
* @param {object} conf Button configuration
* @private
*/
_removeKey: function ( conf )
{
if ( conf.key ) {
var character = $.isPlainObject( conf.key ) ?
conf.key.key :
conf.key;
// Remove only one character, as multiple buttons could have the
// same listening key
var a = this.s.listenKeys.split('');
var idx = $.inArray( character, a );
a.splice( idx, 1 );
this.s.listenKeys = a.join('');
}
},
/**
* Resolve a button configuration
* @param {string|function|object} conf Button config to resolve
* @return {object} Button configuration
* @private
*/
_resolveExtends: function ( conf )
{
var dt = this.s.dt;
var i, ien;
var toConfObject = function ( base ) {
var loop = 0;
// Loop until we have resolved to a button configuration, or an
// array of button configurations (which will be iterated
// separately)
while ( ! $.isPlainObject(base) && ! $.isArray(base) ) {
if ( base === undefined ) {
return;
}
if ( typeof base === 'function' ) {
base = base( dt, conf );
if ( ! base ) {
return false;
}
}
else if ( typeof base === 'string' ) {
if ( ! _dtButtons[ base ] ) {
throw 'Unknown button type: '+base;
}
base = _dtButtons[ base ];
}
loop++;
if ( loop > 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<ien ; i++ ) {
conf.buttons.push( postfixButtons[i] );
}
conf.postfixButtons = null;
}
var prefixButtons = conf.prefixButtons;
if ( prefixButtons ) {
if ( ! conf.buttons ) {
conf.buttons = [];
}
for ( i=0, ien=prefixButtons.length ; i<ien ; i++ ) {
conf.buttons.splice( i, 0, prefixButtons[i] );
}
conf.prefixButtons = null;
}
// Although we want the `conf` object to overwrite almost all of
// the properties of the object being extended, the `extend`
// property should come from the object being extended
conf.extend = objArray.extend;
}
return conf;
}
} );
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 ) {
if ( fade === undefined ) {
fade = 400;
}
if ( show ) {
$('<div/>')
.addClass( className )
.css( 'display', 'none' )
.appendTo( 'body' )
.fadeIn( fade );
}
else {
$('body > div.'+className)
.fadeOut( fade, function () {
$(this).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 ) {
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<ien ; i++ ) {
process( input[i] );
}
return;
}
if ( typeof input === 'string' ) {
if ( input.indexOf( ',' ) !== -1 ) {
// String selector, list of names
process( input.split(',') );
}
else {
// String selector individual name
var idx = $.inArray( $.trim(input), names );
if ( idx !== -1 ) {
ret.push( buttons[ idx ].inst );
}
}
}
else if ( typeof input === 'number' ) {
// Index selector
ret.push( buttons[ input ].inst );
}
};
process( group );
return ret;
};
/**
* Button selector - select one or more buttons from a selector input so some
* operation can be performed on them.
* @param {array} Button instances array that the selector should operate on
* @param {string|int|node|jQuery|array} Button selector - see
* `button-selector` documentation on the DataTables site
* @return {array} Array of objects containing `inst` and `idx` properties of
* the selected buttons so you know which instance each button belongs to.
* @static
*/
Buttons.buttonSelector = function ( insts, selector )
{
var ret = [];
var nodeBuilder = function ( a, buttons, baseIdx ) {
var button;
var idx;
for ( var i=0, ien=buttons.length ; i<ien ; i++ ) {
button = buttons[i];
if ( button ) {
idx = baseIdx !== undefined ?
baseIdx+i :
i+'';
a.push( {
node: button.node,
name: button.conf.name,
idx: idx
} );
if ( button.buttons ) {
nodeBuilder( a, button.buttons, idx+'-' );
}
}
}
};
var run = function ( selector, inst ) {
var i, ien;
var buttons = [];
nodeBuilder( buttons, inst.s.buttons );
var nodes = $.map( buttons, function (v) {
return v.node;
} );
if ( $.isArray( selector ) || selector instanceof $ ) {
for ( i=0, ien=selector.length ; i<ien ; i++ ) {
run( selector[i], inst );
}
return;
}
if ( selector === null || selector === undefined || selector === '*' ) {
// Select all
for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
ret.push( {
inst: inst,
node: buttons[i].node
} );
}
}
else if ( typeof selector === 'number' ) {
// Main button index selector
ret.push( {
inst: inst,
node: inst.s.buttons[ selector ].node
} );
}
else if ( typeof selector === 'string' ) {
if ( selector.indexOf( ',' ) !== -1 ) {
// Split
var a = selector.split(',');
for ( i=0, ien=a.length ; i<ien ; i++ ) {
run( $.trim(a[i]), inst );
}
}
else if ( selector.match( /^\d+(\-\d+)*$/ ) ) {
// Sub-button index selector
var indexes = $.map( buttons, function (v) {
return v.idx;
} );
ret.push( {
inst: inst,
node: buttons[ $.inArray( selector, indexes ) ].node
} );
}
else if ( selector.indexOf( ':name' ) !== -1 ) {
// Button name selector
var name = selector.replace( ':name', '' );
for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
if ( buttons[i].name === name ) {
ret.push( {
inst: inst,
node: buttons[i].node
} );
}
}
}
else {
// jQuery selector on the nodes
$( nodes ).filter( selector ).each( function () {
ret.push( {
inst: inst,
node: this
} );
} );
}
}
else if ( typeof selector === 'object' && selector.nodeName ) {
// Node selector
var idx = $.inArray( selector, nodes );
if ( idx !== -1 ) {
ret.push( {
inst: inst,
node: nodes[ idx ]
} );
}
}
};
for ( var i=0, ien=insts.length ; i<ien ; i++ ) {
var inst = insts[i];
run( selector, inst );
}
return ret;
};
/**
* Buttons defaults. For full documentation, please refer to the docs/option
* directory or the DataTables site.
* @type {Object}
* @static
*/
Buttons.defaults = {
buttons: [ 'copy', 'excel', 'csv', 'pdf', 'print' ],
name: 'main',
tabIndex: 0,
dom: {
container: {
tag: 'div',
className: 'dt-buttons'
},
collection: {
tag: 'div',
className: 'dt-button-collection'
},
button: {
tag: 'a',
className: 'dt-button',
active: 'active',
disabled: 'disabled'
},
buttonLiner: {
tag: 'span',
className: ''
}
}
};
/**
* Version information
* @type {string}
* @static
*/
Buttons.version = '1.2.0';
$.extend( _dtButtons, {
collection: {
text: function ( dt ) {
return dt.i18n( 'buttons.collection', 'Collection' );
},
className: 'buttons-collection',
action: function ( e, dt, button, config ) {
var host = button;
var hostOffset = host.offset();
var tableContainer = $( dt.table().container() );
var multiLevel = false;
// Remove any old collection
if ( $('div.dt-button-background').length ) {
multiLevel = $('div.dt-button-collection').offset();
$('body').trigger( 'click.dtb-collection' );
}
config._collection
.addClass( config.collectionLayout )
.css( 'display', 'none' )
.appendTo( 'body' )
.fadeIn( config.fade );
var position = config._collection.css( 'position' );
if ( multiLevel && position === 'absolute' ) {
config._collection.css( {
top: multiLevel.top + 5, // magic numbers for a little offset
left: multiLevel.left + 5
} );
}
else if ( position === 'absolute' ) {
config._collection.css( {
top: hostOffset.top + host.outerHeight(),
left: hostOffset.left
} );
var listRight = hostOffset.left + config._collection.outerWidth();
var tableRight = tableContainer.offset().left + tableContainer.width();
if ( listRight > tableRight ) {
config._collection.css( 'left', hostOffset.left - ( listRight - tableRight ) );
}
}
else {
// Fix position - centre on screen
var top = config._collection.height() / 2;
if ( top > $(window).height() / 2 ) {
top = $(window).height() / 2;
}
config._collection.css( 'marginTop', top*-1 );
}
if ( config.background ) {
Buttons.background( true, config.backgroundClassName, config.fade );
}
// Need to break the 'thread' for the collection button being
// activated by a click - it would also trigger this event
setTimeout( function () {
// 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) {
if ( ! $(e.target).parents().andSelf().filter( config._collection ).length ) {
config._collection
.fadeOut( config.fade, function () {
config._collection.detach();
} );
$('div.dt-button-background').off( 'click.dtb-collection' );
Buttons.background( false, config.backgroundClassName, config.fade );
$('body').off( 'click.dtb-collection' );
dt.off( 'buttons-action.b-internal' );
}
} );
}, 10 );
if ( config.autoClose ) {
dt.on( 'buttons-action.b-internal', function () {
$('div.dt-button-background').click();
} );
}
},
background: true,
collectionLayout: '',
backgroundClassName: 'dt-button-background',
autoClose: false,
fade: 400
},
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],
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( text( dt ) );
} );
},
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;
}
return this.iterator( true, 'table', function ( ctx ) {
if ( ctx._buttons ) {
return Buttons.buttonSelector(
Buttons.instanceSelector( group, ctx._buttons ),
selector
);
}
}, true );
} );
// 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 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' );
} );
} );
// Get the container elements for the button sets selected
DataTable.Api.registerPlural( 'buttons().containers()', 'buttons().container()', function () {
var jq = $();
// jQuery will automatically reduce duplicates to a single entry
$( this.each( function ( set ) {
jq = jq.add( set.inst.container() );
} ) );
return jq;
} );
// Add a new button
DataTable.Api.register( 'button().add()', function ( idx, conf ) {
if ( this.length === 1 ) {
this[0].inst.add( conf, idx );
}
return this.button( idx );
} );
// Destroy the button sets selected
DataTable.Api.register( 'buttons().destroy()', function () {
this.pluck( 'inst' ).unique().each( function ( inst ) {
inst.destroy();
} );
return this;
} );
// Remove a button
DataTable.Api.registerPlural( 'buttons().remove()', 'buttons().remove()', function () {
this.each( function ( set ) {
set.inst.remove( set.node );
} );
return this;
} );
// Information box that can be used by buttons
var _infoTimer;
DataTable.Api.register( 'buttons.info()', function ( title, message, time ) {
var that = this;
if ( title === false ) {
$('#datatables_buttons_info').fadeOut( function () {
$(this).remove();
} );
clearTimeout( _infoTimer );
_infoTimer = null;
return this;
}
if ( _infoTimer ) {
clearTimeout( _infoTimer );
}
if ( $('#datatables_buttons_info').length ) {
$('#datatables_buttons_info').remove();
}
title = title ? '<h2>'+title+'</h2>' : '';
$('<div id="datatables_buttons_info" class="dt-button-info"/>')
.html( title )
.append( $('<div/>')[ 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 );
}
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 );
}
} );
var _exportTextarea = $('<textarea/>')[0];
var _exportData = function ( dt, inOpts )
{
var config = $.extend( true, {}, {
rows: null,
columns: '',
modifier: {
search: 'applied',
order: 'applied'
},
orthogonal: 'display',
stripHtml: true,
stripNewlines: true,
decodeEntities: true,
trim: true,
format: {
header: function ( d ) {
return strip( d );
},
footer: function ( d ) {
return strip( d );
},
body: function ( d ) {
return strip( d );
}
}
}, inOpts );
var strip = function ( str ) {
if ( typeof str !== 'string' ) {
return str;
}
if ( config.stripHtml ) {
str = str.replace( /<[^>]*>/g, '' );
}
if ( config.trim ) {
str = str.replace( /^\s+|\s+$/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) {
return config.format.header( dt.column( idx ).header().innerHTML, idx );
} ).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 );
} ).toArray() :
null;
var rowIndexes = dt.rows( config.rows, config.modifier ).indexes().toArray();
var cells = dt
.cells( rowIndexes, config.columns )
.render( config.orthogonal )
.toArray();
var columns = header.length;
var rows = columns > 0 ? cells.length / columns : 0;
var body = new Array( rows );
var cellCounter = 0;
for ( var i=0, ien=rows ; i<ien ; i++ ) {
var row = new Array( columns );
for ( var j=0 ; j<columns ; j++ ) {
row[j] = config.format.body( cells[ cellCounter ], j, i );
cellCounter++;
}
body[i] = row;
}
return {
header: header,
footer: footer,
body: body
};
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* DataTables interface
*/
// Attach to DataTables objects for global access
$.fn.dataTable.Buttons = Buttons;
$.fn.DataTable.Buttons = Buttons;
// DataTables creation - check if the buttons have been defined for this table,
// they will have been if the `B` option was used in `dom`, otherwise we should
// create the buttons instance here so they can be inserted into the document
// using the API. Listen for `init` for compatibility with pre 1.10.10, but to
// be removed in future.
$(document).on( 'init.dt plugin-init.dt', function (e, settings) {
if ( e.namespace !== 'dt' ) {
return;
}
var opts = settings.oInit.buttons || DataTable.defaults.buttons;
if ( opts && ! settings._buttons ) {
new Buttons( settings, opts ).container();
}
} );
// DataTables `dom` feature option
DataTable.ext.feature.push( {
fnInit: function( settings ) {
var api = new DataTable.Api( settings );
var opts = api.init().buttons || DataTable.defaults.buttons;
return new Buttons( api, opts ).container();
},
cFeature: "B"
} );
return Buttons;
}));
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