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/*! KeyTable 2.5.1
* ©2009-2019 SpryMedia Ltd - datatables.net/license
*/
/**
* @summary KeyTable
* @description Spreadsheet like keyboard navigation for DataTables
* @version 2.5.1
* @file dataTables.keyTable.js
* @author SpryMedia Ltd (www.sprymedia.co.uk)
* @contact www.sprymedia.co.uk/contact
* @copyright Copyright 2009-2019 SpryMedia Ltd.
*
* This source file is free software, available under the following license:
* MIT license - http://datatables.net/license/mit
*
* This source file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
*
* For details please refer to: http://www.datatables.net
*/
(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;
var namespaceCounter = 0;
var KeyTable = function ( dt, opts ) {
// Sanity check that we are using DataTables 1.10 or newer
if ( ! DataTable.versionCheck || ! DataTable.versionCheck( '1.10.8' ) ) {
throw 'KeyTable requires DataTables 1.10.8 or newer';
}
// User and defaults configuration object
this.c = $.extend( true, {},
DataTable.defaults.keyTable,
KeyTable.defaults,
opts
);
// Internal settings
this.s = {
/** @type {DataTable.Api} DataTables' API instance */
dt: new DataTable.Api( dt ),
enable: true,
/** @type {bool} Flag for if a draw is triggered by focus */
focusDraw: false,
/** @type {bool} Flag to indicate when waiting for a draw to happen.
* Will ignore key presses at this point
*/
waitingForDraw: false,
/** @type {object} Information about the last cell that was focused */
lastFocus: null,
/** @type {string} Unique namespace per instance */
namespace: '.keyTable-'+(namespaceCounter++)
};
// DOM items
this.dom = {
};
// Check if row reorder has already been initialised on this table
var settings = this.s.dt.settings()[0];
var exisiting = settings.keytable;
if ( exisiting ) {
return exisiting;
}
settings.keytable = this;
this._constructor();
};
$.extend( KeyTable.prototype, {
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* API methods for DataTables API interface
*/
/**
* Blur the table's cell focus
*/
blur: function ()
{
this._blur();
},
/**
* Enable cell focus for the table
*
* @param {string} state Can be `true`, `false` or `-string navigation-only`
*/
enable: function ( state )
{
this.s.enable = state;
},
/**
* Focus on a cell
* @param {integer} row Row index
* @param {integer} column Column index
*/
focus: function ( row, column )
{
this._focus( this.s.dt.cell( row, column ) );
},
/**
* Is the cell focused
* @param {object} cell Cell index to check
* @returns {boolean} true if focused, false otherwise
*/
focused: function ( cell )
{
var lastFocus = this.s.lastFocus;
if ( ! lastFocus ) {
return false;
}
var lastIdx = this.s.lastFocus.cell.index();
return cell.row === lastIdx.row && cell.column === lastIdx.column;
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Constructor
*/
/**
* Initialise the KeyTable instance
*
* @private
*/
_constructor: function ()
{
this._tabInput();
var that = this;
var dt = this.s.dt;
var table = $( dt.table().node() );
var namespace = this.s.namespace;
var editorBlock = false;
// Need to be able to calculate the cell positions relative to the table
if ( table.css('position') === 'static' ) {
table.css( 'position', 'relative' );
}
// Click to focus
$( dt.table().body() ).on( 'click'+namespace, 'th, td', function (e) {
if ( that.s.enable === false ) {
return;
}
var cell = dt.cell( this );
if ( ! cell.any() ) {
return;
}
that._focus( cell, null, false, e );
} );
// Key events
$( document ).on( 'keydown'+namespace, function (e) {
if ( ! editorBlock ) {
that._key( e );
}
} );
// Click blur
if ( this.c.blurable ) {
$( document ).on( 'mousedown'+namespace, function ( e ) {
// Click on the search input will blur focus
if ( $(e.target).parents( '.dataTables_filter' ).length ) {
that._blur();
}
// If the click was inside the DataTables container, don't blur
if ( $(e.target).parents().filter( dt.table().container() ).length ) {
return;
}
// Don't blur in Editor form
if ( $(e.target).parents('div.DTE').length ) {
return;
}
// Or an Editor date input
if ( $(e.target).parents('div.editor-datetime').length ) {
return;
}
//If the click was inside the fixed columns container, don't blur
if ( $(e.target).parents().filter('.DTFC_Cloned').length ) {
return;
}
that._blur();
} );
}
if ( this.c.editor ) {
var editor = this.c.editor;
// Need to disable KeyTable when the main editor is shown
editor.on( 'open.keyTableMain', function (e, mode, action) {
if ( mode !== 'inline' && that.s.enable ) {
that.enable( false );
editor.one( 'close'+namespace, function () {
that.enable( true );
} );
}
} );
if ( this.c.editOnFocus ) {
dt.on( 'key-focus'+namespace+' key-refocus'+namespace, function ( e, dt, cell, orig ) {
that._editor( null, orig, true );
} );
}
// Activate Editor when a key is pressed (will be ignored, if
// already active).
dt.on( 'key'+namespace, function ( e, dt, key, cell, orig ) {
that._editor( key, orig, false );
} );
// Active editing on double click - it will already have focus from
// the click event handler above
$( dt.table().body() ).on( 'dblclick'+namespace, 'th, td', function (e) {
if ( that.s.enable === false ) {
return;
}
var cell = dt.cell( this );
if ( ! cell.any() ) {
return;
}
that._editor( null, e, true );
} );
// While Editor is busy processing, we don't want to process any key events
editor
.on('preSubmit', function () {
editorBlock = true;
} )
.on('preSubmitCancelled', function () {
editorBlock = false;
} )
.on('submitComplete', function () {
editorBlock = false;
} );
}
// Stave saving
if ( dt.settings()[0].oFeatures.bStateSave ) {
dt.on( 'stateSaveParams'+namespace, function (e, s, d) {
d.keyTable = that.s.lastFocus ?
that.s.lastFocus.cell.index() :
null;
} );
}
// Redraw - retain focus on the current cell
dt.on( 'draw'+namespace, function (e) {
if ( that.s.focusDraw ) {
return;
}
var lastFocus = that.s.lastFocus;
if ( lastFocus && lastFocus.node && $(lastFocus.node).closest('body') === document.body ) {
var relative = that.s.lastFocus.relative;
var info = dt.page.info();
var row = relative.row + info.start;
if ( info.recordsDisplay === 0 ) {
return;
}
// Reverse if needed
if ( row >= info.recordsDisplay ) {
row = info.recordsDisplay - 1;
}
that._focus( row, relative.column, true, e );
}
} );
// Clipboard support
if ( this.c.clipboard ) {
this._clipboard();
}
dt.on( 'destroy'+namespace, function () {
that._blur( true );
// Event tidy up
dt.off( namespace );
$( dt.table().body() )
.off( 'click'+namespace, 'th, td' )
.off( 'dblclick'+namespace, 'th, td' );
$( document )
.off( 'mousedown'+namespace )
.off( 'keydown'+namespace )
.off( 'copy'+namespace )
.off( 'paste'+namespace );
} );
// Initial focus comes from state or options
var state = dt.state.loaded();
if ( state && state.keyTable ) {
// Wait until init is done
dt.one( 'init', function () {
var cell = dt.cell( state.keyTable );
// Ensure that the saved cell still exists
if ( cell.any() ) {
cell.focus();
}
} );
}
else if ( this.c.focus ) {
dt.cell( this.c.focus ).focus();
}
},
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Private methods
*/
/**
* Blur the control
*
* @param {boolean} [noEvents=false] Don't trigger updates / events (for destroying)
* @private
*/
_blur: function (noEvents)
{
if ( ! this.s.enable || ! this.s.lastFocus ) {
return;
}
var cell = this.s.lastFocus.cell;
$( cell.node() ).removeClass( this.c.className );
this.s.lastFocus = null;
if ( ! noEvents ) {
this._updateFixedColumns(cell.index().column);
this._emitEvent( 'key-blur', [ this.s.dt, cell ] );
}
},
/**
* Clipboard interaction handlers
*
* @private
*/
_clipboard: function () {
var dt = this.s.dt;
var that = this;
var namespace = this.s.namespace;
// IE8 doesn't support getting selected text
if ( ! window.getSelection ) {
return;
}
$(document).on( 'copy'+namespace, function (ejq) {
var e = ejq.originalEvent;
var selection = window.getSelection().toString();
var focused = that.s.lastFocus;
// Only copy cell text to clipboard if there is no other selection
// and there is a focused cell
if ( ! selection && focused ) {
e.clipboardData.setData(
'text/plain',
focused.cell.render( that.c.clipboardOrthogonal )
);
e.preventDefault();
}
} );
$(document).on( 'paste'+namespace, function (ejq) {
var e = ejq.originalEvent;
var focused = that.s.lastFocus;
var activeEl = document.activeElement;
var editor = that.c.editor;
var pastedText;
if ( focused && (! activeEl || activeEl.nodeName.toLowerCase() === 'body') ) {
e.preventDefault();
if ( window.clipboardData && window.clipboardData.getData ) {
// IE
pastedText = window.clipboardData.getData('Text');
}
else if ( e.clipboardData && e.clipboardData.getData ) {
// Everything else
pastedText = e.clipboardData.getData('text/plain');
}
if ( editor ) {
// Got Editor - need to activate inline editing,
// set the value and submit
editor
.inline( focused.cell.index() )
.set( editor.displayed()[0], pastedText )
.submit();
}
else {
// No editor, so just dump the data in
focused.cell.data( pastedText );
dt.draw(false);
}
}
} );
},
/**
* Get an array of the column indexes that KeyTable can operate on. This
* is a merge of the user supplied columns and the visible columns.
*
* @private
*/
_columns: function ()
{
var dt = this.s.dt;
var user = dt.columns( this.c.columns ).indexes();
var out = [];
dt.columns( ':visible' ).every( function (i) {
if ( user.indexOf( i ) !== -1 ) {
out.push( i );
}
} );
return out;
},
/**
* Perform excel like navigation for Editor by triggering an edit on key
* press
*
* @param {integer} key Key code for the pressed key
* @param {object} orig Original event
* @private
*/
_editor: function ( key, orig, hardEdit )
{
var that = this;
var dt = this.s.dt;
var editor = this.c.editor;
var editCell = this.s.lastFocus.cell;
var namespace = this.s.namespace;
// Do nothing if there is already an inline edit in this cell
if ( $('div.DTE', editCell.node()).length ) {
return;
}
// Don't activate Editor on control key presses
if ( key !== null && (
(key >= 0x00 && key <= 0x09) ||
key === 0x0b ||
key === 0x0c ||
(key >= 0x0e && key <= 0x1f) ||
(key >= 0x70 && key <= 0x7b) ||
(key >= 0x7f && key <= 0x9f)
) ) {
return;
}
orig.stopPropagation();
// Return key should do nothing - for textareas it would empty the
// contents
if ( key === 13 ) {
orig.preventDefault();
}
var editInline = function () {
editor
.one( 'open'+namespace, function () {
// Remove cancel open
editor.off( 'cancelOpen'+namespace );
// Excel style - select all text
if ( ! hardEdit ) {
$('div.DTE_Field_InputControl input, div.DTE_Field_InputControl textarea').select();
}
// Reduce the keys the Keys listens for
dt.keys.enable( hardEdit ? 'tab-only' : 'navigation-only' );
// On blur of the navigation submit
dt.on( 'key-blur.editor', function (e, dt, cell) {
if ( editor.displayed() && cell.node() === editCell.node() ) {
editor.submit();
}
} );
// Highlight the cell a different colour on full edit
if ( hardEdit ) {
$( dt.table().container() ).addClass('dtk-focus-alt');
}
// If the dev cancels the submit, we need to return focus
editor.on( 'preSubmitCancelled'+namespace, function () {
setTimeout( function () {
that._focus( editCell, null, false );
}, 50 );
} );
editor.on( 'submitUnsuccessful'+namespace, function () {
that._focus( editCell, null, false );
} );
// Restore full key navigation on close
editor.one( 'close', function () {
dt.keys.enable( true );
dt.off( 'key-blur.editor' );
editor.off( namespace );
$( dt.table().container() ).removeClass('dtk-focus-alt');
} );
} )
.one( 'cancelOpen'+namespace, function () {
// `preOpen` can cancel the display of the form, so it
// might be that the open event handler isn't needed
editor.off( namespace );
} )
.inline( editCell.index() );
};
// Editor 1.7 listens for `return` on keyup, so if return is the trigger
// key, we need to wait for `keyup` otherwise Editor would just submit
// the content triggered by this keypress.
if ( key === 13 ) {
hardEdit = true;
$(document).one( 'keyup', function () { // immediately removed
editInline();
} );
}
else {
editInline();
}
},
/**
* Emit an event on the DataTable for listeners
*
* @param {string} name Event name
* @param {array} args Event arguments
* @private
*/
_emitEvent: function ( name, args )
{
this.s.dt.iterator( 'table', function ( ctx, i ) {
$(ctx.nTable).triggerHandler( name, args );
} );
},
/**
* Focus on a particular cell, shifting the table's paging if required
*
* @param {DataTables.Api|integer} row Can be given as an API instance that
* contains the cell to focus or as an integer. As the latter it is the
* visible row index (from the whole data set) - NOT the data index
* @param {integer} [column] Not required if a cell is given as the first
* parameter. Otherwise this is the column data index for the cell to
* focus on
* @param {boolean} [shift=true] Should the viewport be moved to show cell
* @private
*/
_focus: function ( row, column, shift, originalEvent )
{
var that = this;
var dt = this.s.dt;
var pageInfo = dt.page.info();
var lastFocus = this.s.lastFocus;
if ( ! originalEvent) {
originalEvent = null;
}
if ( ! this.s.enable ) {
return;
}
if ( typeof row !== 'number' ) {
// Its an API instance - check that there is actually a row
if ( ! row.any() ) {
return;
}
// Convert the cell to a row and column
var index = row.index();
column = index.column;
row = dt
.rows( { filter: 'applied', order: 'applied' } )
.indexes()
.indexOf( index.row );
// Don't focus rows that were filtered out.
if ( row < 0 ) {
return;
}
// For server-side processing normalise the row by adding the start
// point, since `rows().indexes()` includes only rows that are
// available at the client-side
if ( pageInfo.serverSide ) {
row += pageInfo.start;
}
}
// Is the row on the current page? If not, we need to redraw to show the
// page
if ( pageInfo.length !== -1 && (row < pageInfo.start || row >= pageInfo.start+pageInfo.length) ) {
this.s.focusDraw = true;
this.s.waitingForDraw = true;
dt
.one( 'draw', function () {
that.s.focusDraw = false;
that.s.waitingForDraw = false;
that._focus( row, column, undefined, originalEvent );
} )
.page( Math.floor( row / pageInfo.length ) )
.draw( false );
return;
}
// In the available columns?
if ( $.inArray( column, this._columns() ) === -1 ) {
return;
}
// De-normalise the server-side processing row, so we select the row
// in its displayed position
if ( pageInfo.serverSide ) {
row -= pageInfo.start;
}
// Get the cell from the current position - ignoring any cells which might
// not have been rendered (therefore can't use `:eq()` selector).
var cells = dt.cells( null, column, {search: 'applied', order: 'applied'} ).flatten();
var cell = dt.cell( cells[ row ] );
if ( lastFocus ) {
// Don't trigger a refocus on the same cell
if ( lastFocus.node === cell.node() ) {
this._emitEvent( 'key-refocus', [ this.s.dt, cell, originalEvent || null ] );
return;
}
// Otherwise blur the old focus
this._blur();
}
// Clear focus from other tables
this._removeOtherFocus();
var node = $( cell.node() );
node.addClass( this.c.className );
this._updateFixedColumns(column);
// Shift viewpoint and page to make cell visible
if ( shift === undefined || shift === true ) {
this._scroll( $(window), $(document.body), node, 'offset' );
var bodyParent = dt.table().body().parentNode;
if ( bodyParent !== dt.table().header().parentNode ) {
var parent = $(bodyParent.parentNode);
this._scroll( parent, parent, node, 'position' );
}
}
// Event and finish
this.s.lastFocus = {
cell: cell,
node: cell.node(),
relative: {
row: dt.rows( { page: 'current' } ).indexes().indexOf( cell.index().row ),
column: cell.index().column
}
};
this._emitEvent( 'key-focus', [ this.s.dt, cell, originalEvent || null ] );
dt.state.save();
},
/**
* Handle key press
*
* @param {object} e Event
* @private
*/
_key: function ( e )
{
// If we are waiting for a draw to happen from another key event, then
// do nothing for this new key press.
if ( this.s.waitingForDraw ) {
e.preventDefault();
return;
}
var enable = this.s.enable;
var navEnable = enable === true || enable === 'navigation-only';
if ( ! enable ) {
return;
}
if ( (e.keyCode === 0 || e.ctrlKey || e.metaKey || e.altKey) && !(e.ctrlKey && e.altKey) ) {
return;
}
// If not focused, then there is no key action to take
var lastFocus = this.s.lastFocus;
if ( ! lastFocus ) {
return;
}
// And the last focus still exists!
if ( ! this.s.dt.cell(lastFocus.node).any() ) {
this.s.lastFocus = null;
return;
}
var that = this;
var dt = this.s.dt;
var scrolling = this.s.dt.settings()[0].oScroll.sY ? true : false;
// If we are not listening for this key, do nothing
if ( this.c.keys && $.inArray( e.keyCode, this.c.keys ) === -1 ) {
return;
}
switch( e.keyCode ) {
case 9: // tab
// `enable` can be tab-only
this._shift( e, e.shiftKey ? 'left' : 'right', true );
break;
case 27: // esc
if ( this.s.blurable && enable === true ) {
this._blur();
}
break;
case 33: // page up (previous page)
case 34: // page down (next page)
if ( navEnable && !scrolling ) {
e.preventDefault();
dt
.page( e.keyCode === 33 ? 'previous' : 'next' )
.draw( false );
}
break;
case 35: // end (end of current page)
case 36: // home (start of current page)
if ( navEnable ) {
e.preventDefault();
var indexes = dt.cells( {page: 'current'} ).indexes();
var colIndexes = this._columns();
this._focus( dt.cell(
indexes[ e.keyCode === 35 ? indexes.length-1 : colIndexes[0] ]
), null, true, e );
}
break;
case 37: // left arrow
if ( navEnable ) {
this._shift( e, 'left' );
}
break;
case 38: // up arrow
if ( navEnable ) {
this._shift( e, 'up' );
}
break;
case 39: // right arrow
if ( navEnable ) {
this._shift( e, 'right' );
}
break;
case 40: // down arrow
if ( navEnable ) {
this._shift( e, 'down' );
}
break;
case 113: // F2 - Excel like hard edit
if ( this.c.editor ) {
this._editor(null, e, true);
break;
}
// else fallthrough
default:
// Everything else - pass through only when fully enabled
if ( enable === true ) {
this._emitEvent( 'key', [ dt, e.keyCode, this.s.lastFocus.cell, e ] );
}
break;
}
},
/**
* Remove focus from all tables other than this one
*/
_removeOtherFocus: function ()
{
var thisTable = this.s.dt.table().node();
$.fn.dataTable.tables({api:true}).iterator('table', function (settings) {
if (this.table().node() !== thisTable) {
this.cell.blur();
}
});
},
/**
* Scroll a container to make a cell visible in it. This can be used for
* both DataTables scrolling and native window scrolling.
*
* @param {jQuery} container Scrolling container
* @param {jQuery} scroller Item being scrolled
* @param {jQuery} cell Cell in the scroller
* @param {string} posOff `position` or `offset` - which to use for the
* calculation. `offset` for the document, otherwise `position`
* @private
*/
_scroll: function ( container, scroller, cell, posOff )
{
var offset = cell[posOff]();
var height = cell.outerHeight();
var width = cell.outerWidth();
var scrollTop = scroller.scrollTop();
var scrollLeft = scroller.scrollLeft();
var containerHeight = container.height();
var containerWidth = container.width();
// If Scroller is being used, the table can be `position: absolute` and that
// needs to be taken account of in the offset. If no Scroller, this will be 0
if ( posOff === 'position' ) {
offset.top += parseInt( cell.closest('table').css('top'), 10 );
}
// Top correction
if ( offset.top < scrollTop ) {
scroller.scrollTop( offset.top );
}
// Left correction
if ( offset.left < scrollLeft ) {
scroller.scrollLeft( offset.left );
}
// Bottom correction
if ( offset.top + height > scrollTop + containerHeight && height < containerHeight ) {
scroller.scrollTop( offset.top + height - containerHeight );
}
// Right correction
if ( offset.left + width > scrollLeft + containerWidth && width < containerWidth ) {
scroller.scrollLeft( offset.left + width - containerWidth );
}
},
/**
* Calculate a single offset movement in the table - up, down, left and
* right and then perform the focus if possible
*
* @param {object} e Event object
* @param {string} direction Movement direction
* @param {boolean} keyBlurable `true` if the key press can result in the
* table being blurred. This is so arrow keys won't blur the table, but
* tab will.
* @private
*/
_shift: function ( e, direction, keyBlurable )
{
var that = this;
var dt = this.s.dt;
var pageInfo = dt.page.info();
var rows = pageInfo.recordsDisplay;
var currentCell = this.s.lastFocus.cell;
var columns = this._columns();
if ( ! currentCell ) {
return;
}
var currRow = dt
.rows( { filter: 'applied', order: 'applied' } )
.indexes()
.indexOf( currentCell.index().row );
// When server-side processing, `rows().indexes()` only gives the rows
// that are available at the client-side, so we need to normalise the
// row's current position by the display start point
if ( pageInfo.serverSide ) {
currRow += pageInfo.start;
}
var currCol = dt
.columns( columns )
.indexes()
.indexOf( currentCell.index().column );
var
row = currRow,
column = columns[ currCol ]; // row is the display, column is an index
if ( direction === 'right' ) {
if ( currCol >= columns.length - 1 ) {
row++;
column = columns[0];
}
else {
column = columns[ currCol+1 ];
}
}
else if ( direction === 'left' ) {
if ( currCol === 0 ) {
row--;
column = columns[ columns.length - 1 ];
}
else {
column = columns[ currCol-1 ];
}
}
else if ( direction === 'up' ) {
row--;
}
else if ( direction === 'down' ) {
row++;
}
if ( row >= 0 && row < rows && $.inArray( column, columns ) !== -1 ) {
if (e) {
e.preventDefault();
}
this._focus( row, column, true, e );
}
else if ( ! keyBlurable || ! this.c.blurable ) {
// No new focus, but if the table isn't blurable, then don't loose
// focus
if (e) {
e.preventDefault();
}
}
else {
this._blur();
}
},
/**
* Create a hidden input element that can receive focus on behalf of the
* table
*
* @private
*/
_tabInput: function ()
{
var that = this;
var dt = this.s.dt;
var tabIndex = this.c.tabIndex !== null ?
this.c.tabIndex :
dt.settings()[0].iTabIndex;
if ( tabIndex == -1 ) {
return;
}
var div = $('<div><input type="text" tabindex="'+tabIndex+'"/></div>')
.css( {
position: 'absolute',
height: 1,
width: 0,
overflow: 'hidden'
} )
.insertBefore( dt.table().node() );
div.children().on( 'focus', function (e) {
var cell = dt.cell(':eq(0)', that._columns(), {page: 'current'});
if ( cell.any() ) {
that._focus( cell, null, true, e );
}
} );
},
/**
* Update fixed columns if they are enabled and if the cell we are
* focusing is inside a fixed column
* @param {integer} column Index of the column being changed
* @private
*/
_updateFixedColumns: function( column )
{
var dt = this.s.dt;
var settings = dt.settings()[0];
if ( settings._oFixedColumns ) {
var leftCols = settings._oFixedColumns.s.iLeftColumns;
var rightCols = settings.aoColumns.length - settings._oFixedColumns.s.iRightColumns;
if (column < leftCols || column >= rightCols) {
dt.fixedColumns().update();
}
}
}
} );
/**
* KeyTable default settings for initialisation
*
* @namespace
* @name KeyTable.defaults
* @static
*/
KeyTable.defaults = {
/**
* Can focus be removed from the table
* @type {Boolean}
*/
blurable: true,
/**
* Class to give to the focused cell
* @type {String}
*/
className: 'focus',
/**
* Enable or disable clipboard support
* @type {Boolean}
*/
clipboard: true,
/**
* Orthogonal data that should be copied to clipboard
* @type {string}
*/
clipboardOrthogonal: 'display',
/**
* Columns that can be focused. This is automatically merged with the
* visible columns as only visible columns can gain focus.
* @type {String}
*/
columns: '', // all
/**
* Editor instance to automatically perform Excel like navigation
* @type {Editor}
*/
editor: null,
/**
* Trigger editing immediately on focus
* @type {boolean}
*/
editOnFocus: false,
/**
* Select a cell to automatically select on start up. `null` for no
* automatic selection
* @type {cell-selector}
*/
focus: null,
/**
* Array of keys to listen for
* @type {null|array}
*/
keys: null,
/**
* Tab index for where the table should sit in the document's tab flow
* @type {integer|null}
*/
tabIndex: null
};
KeyTable.version = "2.5.1";
$.fn.dataTable.KeyTable = KeyTable;
$.fn.DataTable.KeyTable = KeyTable;
DataTable.Api.register( 'cell.blur()', function () {
return this.iterator( 'table', function (ctx) {
if ( ctx.keytable ) {
ctx.keytable.blur();
}
} );
} );
DataTable.Api.register( 'cell().focus()', function () {
return this.iterator( 'cell', function (ctx, row, column) {
if ( ctx.keytable ) {
ctx.keytable.focus( row, column );
}
} );
} );
DataTable.Api.register( 'keys.disable()', function () {
return this.iterator( 'table', function (ctx) {
if ( ctx.keytable ) {
ctx.keytable.enable( false );
}
} );
} );
DataTable.Api.register( 'keys.enable()', function ( opts ) {
return this.iterator( 'table', function (ctx) {
if ( ctx.keytable ) {
ctx.keytable.enable( opts === undefined ? true : opts );
}
} );
} );
DataTable.Api.register( 'keys.move()', function ( dir ) {
return this.iterator( 'table', function (ctx) {
if ( ctx.keytable ) {
ctx.keytable._shift( null, dir, false );
}
} );
} );
// Cell selector
DataTable.ext.selector.cell.push( function ( settings, opts, cells ) {
var focused = opts.focused;
var kt = settings.keytable;
var out = [];
if ( ! kt || focused === undefined ) {
return cells;
}
for ( var i=0, ien=cells.length ; i<ien ; i++ ) {
if ( (focused === true && kt.focused( cells[i] ) ) ||
(focused === false && ! kt.focused( cells[i] ) )
) {
out.push( cells[i] );
}
}
return out;
} );
// Attach a listener to the document which listens for DataTables initialisation
// events so we can automatically initialise
$(document).on( 'preInit.dt.dtk', function (e, settings, json) {
if ( e.namespace !== 'dt' ) {
return;
}
var init = settings.oInit.keys;
var defaults = DataTable.defaults.keys;
if ( init || defaults ) {
var opts = $.extend( {}, defaults, init );
if ( init !== false ) {
new KeyTable( settings, opts );
}
}
} );
return KeyTable;
}));
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