Blame | Letzte Änderung | Log anzeigen | RSS feed
/*! KeyTable 1.2.1* ©2010-2014 SpryMedia Ltd - datatables.net/license*//*** @summary KeyTable* @description Spreadsheet like keyboard navigation for DataTables* @version 1.2.1* @file dataTables.keyTable.js* @author SpryMedia Ltd (www.sprymedia.co.uk)* @contact www.sprymedia.co.uk/contact* @copyright Copyright 2009-2014 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*/// Global scope for KeyTable for backwards compatibility. Will be removed in 1.3var KeyTable;(function(window, document, undefined) {var factory = function( $, DataTable ) {"use strict";KeyTable = function ( oInit ){/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** API parameters* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *//** Variable: block* Purpose: Flag whether or not KeyTable events should be processed* Scope: KeyTable - public*/this.block = false;/** Variable: event* Purpose: Container for all event application methods* Scope: KeyTable - public* Notes: This object contains all the public methods for adding and removing events - these* are dynamically added later on*/this.event = {"remove": {}};/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** API methods* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *//** Function: fnGetCurrentPosition* Purpose: Get the currently focused cell's position* Returns: array int: [ x, y ]* Inputs: void*/this.fnGetCurrentPosition = function (){return [ _iOldX, _iOldY ];};/** Function: fnGetCurrentData* Purpose: Get the currently focused cell's data (innerHTML)* Returns: string: - data requested* Inputs: void*/this.fnGetCurrentData = function (){return _nOldFocus.innerHTML;};/** Function: fnGetCurrentTD* Purpose: Get the currently focused cell* Returns: node: - focused element* Inputs: void*/this.fnGetCurrentTD = function (){return _nOldFocus;};/** Function: fnSetPosition* Purpose: Set the position of the focused cell* Returns: -* Inputs: int:x - x coordinate* int:y - y coordinate* Notes: Thanks to Rohan Daxini for the basis of this function*/this.fnSetPosition = function( x, y ){if ( typeof x == 'object' && x.nodeName ){_fnSetFocus( x );}else{_fnSetFocus( _fnCellFromCoords(x, y) );}};/** Function: fnBlur* Purpose: Blur the current focus* Returns: -* Inputs: -*/this.fnBlur = function(){_fnBlur();};/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Private parameters* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *//** Variable: _nBody* Purpose: Body node of the table - cached for renference* Scope: KeyTable - private*/var _nBody = null;/** Variable:* Purpose:* Scope: KeyTable - private*/var _nOldFocus = null;/** Variable: _iOldX and _iOldY* Purpose: X and Y coords of the old elemet that was focused on* Scope: KeyTable - private*/var _iOldX = null;var _iOldY = null;/** Variable: _that* Purpose: Scope saving for 'this' after a jQuery event* Scope: KeyTable - private*/var _that = null;/** Variable: sFocusClass* Purpose: Class that should be used for focusing on a cell* Scope: KeyTable - private*/var _sFocusClass = "focus";/** Variable: _bKeyCapture* Purpose: Flag for should KeyTable capture key events or not* Scope: KeyTable - private*/var _bKeyCapture = false;/** Variable: _oaoEvents* Purpose: Event cache object, one array for each supported event for speed of searching* Scope: KeyTable - private*/var _oaoEvents = {"action": [],"esc": [],"focus": [],"blur": []};/** Variable: _oDatatable* Purpose: DataTables settings object for if we are actually using a* DataTables table* Scope: KeyTable - private*/var _oDatatable = null;var _bForm;var _nInput;var _bInputFocused = false;/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Private methods* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *//* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Key table events*//** Function: _fnEventAddTemplate* Purpose: Create a function (with closure for sKey) event addition API* Returns: function: - template function* Inputs: string:sKey - type of event to detect*/function _fnEventAddTemplate( sKey ){/** Function: -* Purpose: API function for adding event to cache* Returns: -* Inputs: 1. node:x - target node to add event for* 2. function:y - callback function to apply* or* 1. int:x - x coord. of target cell (can be null for live events)* 2. int:y - y coord. of target cell (can be null for live events)* 3. function:z - callback function to apply* Notes: This function is (interally) overloaded (in as much as javascript allows for* that) - the target cell can be given by either node or coords.*/return function ( x, y, z ) {if ( (x===null || typeof x == "number") &&(y===null || typeof y == "number") &&typeof z == "function" ){_fnEventAdd( sKey, x, y, z );}else if ( typeof x == "object" && typeof y == "function" ){var aCoords = _fnCoordsFromCell( x );_fnEventAdd( sKey, aCoords[0], aCoords[1], y );}else{alert( "Unhandable event type was added: x" +x+ " y:" +y+ " z:" +z );}};}/** Function: _fnEventRemoveTemplate* Purpose: Create a function (with closure for sKey) event removal API* Returns: function: - template function* Inputs: string:sKey - type of event to detect*/function _fnEventRemoveTemplate( sKey ){/** Function: -* Purpose: API function for removing event from cache* Returns: int: - number of events removed* Inputs: 1. node:x - target node to remove event from* 2. function:y - callback function to apply* or* 1. int:x - x coord. of target cell (can be null for live events)* 2. int:y - y coord. of target cell (can be null for live events)* 3. function:z - callback function to remove - optional* Notes: This function is (interally) overloaded (in as much as javascript allows for* that) - the target cell can be given by either node or coords and the function* to remove is optional*/return function ( x, y, z ) {if ( (x===null || typeof arguments[0] == "number") &&(y===null || typeof arguments[1] == "number" ) ){if ( typeof arguments[2] == "function" ){_fnEventRemove( sKey, x, y, z );}else{_fnEventRemove( sKey, x, y );}}else if ( typeof arguments[0] == "object" ){var aCoords = _fnCoordsFromCell( x );if ( typeof arguments[1] == "function" ){_fnEventRemove( sKey, aCoords[0], aCoords[1], y );}else{_fnEventRemove( sKey, aCoords[0], aCoords[1] );}}else{alert( "Unhandable event type was removed: x" +x+ " y:" +y+ " z:" +z );}};}/* Use the template functions to add the event API functions */for ( var sKey in _oaoEvents ){if ( sKey ){this.event[sKey] = _fnEventAddTemplate( sKey );this.event.remove[sKey] = _fnEventRemoveTemplate( sKey );}}/** Function: _fnEventAdd* Purpose: Add an event to the internal cache* Returns: -* Inputs: string:sType - type of event to add, given by the available elements in _oaoEvents* int:x - x-coords to add event to - can be null for "blanket" event* int:y - y-coords to add event to - can be null for "blanket" event* function:fn - callback function for when triggered*/function _fnEventAdd( sType, x, y, fn ){_oaoEvents[sType].push( {"x": x,"y": y,"fn": fn} );}/** Function: _fnEventRemove* Purpose: Remove an event from the event cache* Returns: int: - number of matching events removed* Inputs: string:sType - type of event to look for* node:nTarget - target table cell* function:fn - optional - remove this function. If not given all handlers of this* type will be removed*/function _fnEventRemove( sType, x, y, fn ){var iCorrector = 0;for ( var i=0, iLen=_oaoEvents[sType].length ; i<iLen-iCorrector ; i++ ){if ( typeof fn != 'undefined' ){if ( _oaoEvents[sType][i-iCorrector].x == x &&_oaoEvents[sType][i-iCorrector].y == y &&_oaoEvents[sType][i-iCorrector].fn == fn ){_oaoEvents[sType].splice( i-iCorrector, 1 );iCorrector++;}}else{if ( _oaoEvents[sType][i-iCorrector].x == x &&_oaoEvents[sType][i-iCorrector].y == y ){_oaoEvents[sType].splice( i, 1 );return 1;}}}return iCorrector;}/** Function: _fnEventFire* Purpose: Look thought the events cache and fire off the event of interest* Returns: int:iFired - number of events fired* Inputs: string:sType - type of event to look for* int:x - x coord of cell* int:y - y coord of ell* Notes: It might be more efficient to return after the first event has been tirggered,* but that would mean that only one function of a particular type can be* subscribed to a particular node.*/function _fnEventFire ( sType, x, y ){var iFired = 0;var aEvents = _oaoEvents[sType];for ( var i=0 ; i<aEvents.length ; i++ ){if ( (aEvents[i].x == x && aEvents[i].y == y ) ||(aEvents[i].x === null && aEvents[i].y == y ) ||(aEvents[i].x == x && aEvents[i].y === null ) ||(aEvents[i].x === null && aEvents[i].y === null )){aEvents[i].fn( _fnCellFromCoords(x,y), x, y );iFired++;}}return iFired;}/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Focus functions*//** Function: _fnSetFocus* Purpose: Set focus on a node, and remove from an old node if needed* Returns: -* Inputs: node:nTarget - node we want to focus on* bool:bAutoScroll - optional - should we scroll the view port to the display*/function _fnSetFocus( nTarget, bAutoScroll ){/* If node already has focus, just ignore this call */if ( _nOldFocus == nTarget ){return;}if ( typeof bAutoScroll == 'undefined' ){bAutoScroll = true;}/* Remove old focus (with blur event if needed) */if ( _nOldFocus !== null ){_fnRemoveFocus( _nOldFocus );}/* Add the new class to highlight the focused cell */$(nTarget).addClass( _sFocusClass );$(nTarget).parent().addClass( _sFocusClass );/* If it's a DataTable then we need to jump the paging to the relevant page */var oSettings;if ( _oDatatable ){oSettings = _oDatatable;var iRow = _fnFindDtCell( nTarget )[1];var bKeyCaptureCache = _bKeyCapture;/* Page forwards */while ( iRow >= oSettings.fnDisplayEnd() ){if ( oSettings._iDisplayLength >= 0 ){/* Make sure we are not over running the display array */if ( oSettings._iDisplayStart + oSettings._iDisplayLength < oSettings.fnRecordsDisplay() ){oSettings._iDisplayStart += oSettings._iDisplayLength;}}else{oSettings._iDisplayStart = 0;}_oDatatable.oApi._fnCalculateEnd( oSettings );}/* Page backwards */while ( iRow < oSettings._iDisplayStart ){oSettings._iDisplayStart = oSettings._iDisplayLength>=0 ?oSettings._iDisplayStart - oSettings._iDisplayLength :0;if ( oSettings._iDisplayStart < 0 ){oSettings._iDisplayStart = 0;}_oDatatable.oApi._fnCalculateEnd( oSettings );}/* Re-draw the table */_oDatatable.oApi._fnDraw( oSettings );/* Restore the key capture */_bKeyCapture = bKeyCaptureCache;}/* Cache the information that we are interested in */var aNewPos = _fnCoordsFromCell( nTarget );_nOldFocus = nTarget;_iOldX = aNewPos[0];_iOldY = aNewPos[1];var iViewportHeight, iViewportWidth, iScrollTop, iScrollLeft, iHeight, iWidth, aiPos;if ( bAutoScroll ){/* Scroll the viewport such that the new cell is fully visible in the rendered window */iViewportHeight = $(window).height();iViewportWidth = $(window).width();iScrollTop = $(document).scrollTop();iScrollLeft = $(document).scrollLeft();iHeight = nTarget.offsetHeight;iWidth = nTarget.offsetWidth;aiPos = _fnGetPos( nTarget );/* Take account of scrolling in DataTables 1.7 - remove scrolling since that would add to* the positioning calculation*/if ( _oDatatable && typeof oSettings.oScroll != 'undefined' &&(oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "") ){aiPos[1] -= $(oSettings.nTable.parentNode).scrollTop();aiPos[0] -= $(oSettings.nTable.parentNode).scrollLeft();}/* Correct viewport positioning for vertical scrolling */if ( aiPos[1]+iHeight > iScrollTop+iViewportHeight ){/* Displayed element if off the bottom of the viewport */_fnSetScrollTop( aiPos[1]+iHeight - iViewportHeight );}else if ( aiPos[1] < iScrollTop ){/* Displayed element if off the top of the viewport */_fnSetScrollTop( aiPos[1] );}/* Correct viewport positioning for horizontal scrolling */if ( aiPos[0]+iWidth > iScrollLeft+iViewportWidth ){/* Displayed element is off the bottom of the viewport */_fnSetScrollLeft( aiPos[0]+iWidth - iViewportWidth );}else if ( aiPos[0] < iScrollLeft ){/* Displayed element if off the Left of the viewport */_fnSetScrollLeft( aiPos[0] );}}/* Take account of scrolling in DataTables 1.7 */if ( _oDatatable && typeof oSettings.oScroll != 'undefined' &&(oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "") ){var dtScrollBody = oSettings.nTable.parentNode;iViewportHeight = dtScrollBody.clientHeight;iViewportWidth = dtScrollBody.clientWidth;iScrollTop = dtScrollBody.scrollTop;iScrollLeft = dtScrollBody.scrollLeft;iHeight = nTarget.offsetHeight;iWidth = nTarget.offsetWidth;/* Correct for vertical scrolling */if ( nTarget.offsetTop + iHeight > iViewportHeight+iScrollTop ){dtScrollBody.scrollTop = (nTarget.offsetTop + iHeight) - iViewportHeight;}else if ( nTarget.offsetTop < iScrollTop ){dtScrollBody.scrollTop = nTarget.offsetTop;}/* Correct for horizontal scrolling */if ( nTarget.offsetLeft + iWidth > iViewportWidth+iScrollLeft ){dtScrollBody.scrollLeft = (nTarget.offsetLeft + iWidth) - iViewportWidth;}else if ( nTarget.offsetLeft < iScrollLeft ){dtScrollBody.scrollLeft = nTarget.offsetLeft;}}/* Focused - so we want to capture the keys */_fnCaptureKeys();/* Fire of the focus event if there is one */_fnEventFire( "focus", _iOldX, _iOldY );}/** Function: _fnBlur* Purpose: Blur focus from the whole table* Returns: -* Inputs: -*/function _fnBlur(){_fnRemoveFocus( _nOldFocus );_iOldX = null;_iOldY = null;_nOldFocus = null;_fnReleaseKeys();}/** Function: _fnRemoveFocus* Purpose: Remove focus from a cell and fire any blur events which are attached* Returns: -* Inputs: node:nTarget - cell of interest*/function _fnRemoveFocus( nTarget ){$(nTarget).removeClass( _sFocusClass );$(nTarget).parent().removeClass( _sFocusClass );_fnEventFire( "blur", _iOldX, _iOldY );}/** Function: _fnClick* Purpose: Focus on the element that has been clicked on by the user* Returns: -* Inputs: event:e - click event*/function _fnClick ( e ){var nTarget = this;while ( nTarget.nodeName != "TD" ){nTarget = nTarget.parentNode;}_fnSetFocus( nTarget );_fnCaptureKeys();}/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Key events*//** Function: _fnKey* Purpose: Deal with a key events, be it moving the focus or return etc.* Returns: bool: - allow browser default action* Inputs: event:e - key event*/function _fnKey ( e ){/* If user or system has blocked KeyTable from doing anything, just ignore this event */if ( _that.block || !_bKeyCapture ){return true;}/* If a modifier key is pressed (exapct shift), ignore the event */if ( e.metaKey || e.altKey || e.ctrlKey ){return true;}varx, y,iTableWidth = _nBody.getElementsByTagName('tr')[0].getElementsByTagName('td').length,iTableHeight;/* Get table height and width - done here so as to be dynamic (if table is updated) */if ( _oDatatable ){/** Locate the current node in the DataTable overriding the old positions - the reason for* is is that there might have been some DataTables interaction between the last focus and* now*/iTableHeight = _oDatatable.aiDisplay.length;var aDtPos = _fnFindDtCell( _nOldFocus );if ( aDtPos === null ){/* If the table has been updated such that the focused cell can't be seen - do nothing */return;}_iOldX = aDtPos[ 0 ];_iOldY = aDtPos[ 1 ];}else{iTableHeight = _nBody.getElementsByTagName('tr').length;}/* Capture shift+tab to match the left arrow key */var iKey = (e.keyCode == 9 && e.shiftKey) ? -1 : e.keyCode;switch( iKey ){case 13: /* return */e.preventDefault();e.stopPropagation();_fnEventFire( "action", _iOldX, _iOldY );return true;case 27: /* esc */if ( !_fnEventFire( "esc", _iOldX, _iOldY ) ){/* Only lose focus if there isn't an escape handler on the cell */_fnBlur();return;}x = _iOldX;y = _iOldY;break;case -1:case 37: /* left arrow */if ( _iOldX > 0 ) {x = _iOldX - 1;y = _iOldY;} else if ( _iOldY > 0 ) {x = iTableWidth-1;y = _iOldY - 1;} else {/* at start of table */if ( iKey == -1 && _bForm ){/* If we are in a form, return focus to the 'input' element such that tabbing will* follow correctly in the browser*/_bInputFocused = true;_nInput.focus();/* This timeout is a little nasty - but IE appears to have some asyhnc behaviour for* focus*/setTimeout( function(){ _bInputFocused = false; }, 0 );_bKeyCapture = false;_fnBlur();return true;}else{return false;}}break;case 38: /* up arrow */if ( _iOldY > 0 ) {x = _iOldX;y = _iOldY - 1;} else {return false;}break;case 36: /* home */x = _iOldX;y = 0;break;case 33: /* page up */x = _iOldX;y = _iOldY - 10;if (y < 0) {y = 0;}break;case 9: /* tab */case 39: /* right arrow */if ( _iOldX < iTableWidth-1 ) {x = _iOldX + 1;y = _iOldY;} else if ( _iOldY < iTableHeight-1 ) {x = 0;y = _iOldY + 1;} else {/* at end of table */if ( iKey == 9 && _bForm ){/* If we are in a form, return focus to the 'input' element such that tabbing will* follow correctly in the browser*/_bInputFocused = true;_nInput.focus();/* This timeout is a little nasty - but IE appears to have some asyhnc behaviour for* focus*/setTimeout( function(){ _bInputFocused = false; }, 0 );_bKeyCapture = false;_fnBlur();return true;}else{return false;}}break;case 40: /* down arrow */if ( _iOldY < iTableHeight-1 ) {x = _iOldX;y = _iOldY + 1;} else {return false;}break;case 35: /* end */x = _iOldX;y = iTableHeight-1;break;case 34: /* page down */x = _iOldX;y = _iOldY+10;if (y > iTableHeight-1) {y = iTableHeight-1;}break;default: /* Nothing we are interested in */return true;}_fnSetFocus( _fnCellFromCoords(x, y) );return false;}/** Function: _fnCaptureKeys* Purpose: Start capturing key events for this table* Returns: -* Inputs: -*/function _fnCaptureKeys( ){if ( !_bKeyCapture ){_bKeyCapture = true;}}/** Function: _fnReleaseKeys* Purpose: Stop capturing key events for this table* Returns: -* Inputs: -*/function _fnReleaseKeys( ){_bKeyCapture = false;}/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Support functions*//** Function: _fnCellFromCoords* Purpose: Calulate the target TD cell from x and y coordinates* Returns: node: - TD target* Inputs: int:x - x coordinate* int:y - y coordinate*/function _fnCellFromCoords( x, y ){if ( _oDatatable ){if ( typeof _oDatatable.aoData[ _oDatatable.aiDisplay[ y ] ] != 'undefined' ){return _oDatatable.aoData[ _oDatatable.aiDisplay[ y ] ].nTr.getElementsByTagName('td')[x];}else{return null;}}else{return $('tr:eq('+y+')>td:eq('+x+')', _nBody )[0];}}/** Function: _fnCoordsFromCell* Purpose: Calculate the x and y position in a table from a TD cell* Returns: array[2] int: [x, y]* Inputs: node:n - TD cell of interest* Notes: Not actually interested in this for DataTables since it might go out of date*/function _fnCoordsFromCell( n ){if ( _oDatatable ){return [$('td', n.parentNode).index(n),$('tr', n.parentNode.parentNode).index(n.parentNode) + _oDatatable._iDisplayStart];}else{return [$('td', n.parentNode).index(n),$('tr', n.parentNode.parentNode).index(n.parentNode)];}}/** Function: _fnSetScrollTop* Purpose: Set the vertical scrolling position* Returns: -* Inputs: int:iPos - scrolltop* Notes: This is so nasty, but without browser detection you can't tell which you should set* So on browsers that support both, the scroll top will be set twice. I can live with* that :-)*/function _fnSetScrollTop( iPos ){document.documentElement.scrollTop = iPos;document.body.scrollTop = iPos;}/** Function: _fnSetScrollLeft* Purpose: Set the horizontal scrolling position* Returns: -* Inputs: int:iPos - scrollleft*/function _fnSetScrollLeft( iPos ){document.documentElement.scrollLeft = iPos;document.body.scrollLeft = iPos;}/** Function: _fnGetPos* Purpose: Get the position of an object on the rendered page* Returns: array[2] int: [left, right]* Inputs: node:obj - element of interest*/function _fnGetPos ( obj ){var iLeft = 0;var iTop = 0;if (obj.offsetParent){iLeft = obj.offsetLeft;iTop = obj.offsetTop;obj = obj.offsetParent;while (obj){iLeft += obj.offsetLeft;iTop += obj.offsetTop;obj = obj.offsetParent;}}return [iLeft,iTop];}/** Function: _fnFindDtCell* Purpose: Get the coords. of a cell from the DataTables internal information* Returns: array[2] int: [x, y] coords. or null if not found* Inputs: node:nTarget - the node of interest*/function _fnFindDtCell( nTarget ){for ( var i=0, iLen=_oDatatable.aiDisplay.length ; i<iLen ; i++ ){var nTr = _oDatatable.aoData[ _oDatatable.aiDisplay[i] ].nTr;var nTds = nTr.getElementsByTagName('td');for ( var j=0, jLen=nTds.length ; j<jLen ; j++ ){if ( nTds[j] == nTarget ){return [ j, i ];}}}return null;}/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Initialisation*//** Function: _fnInit* Purpose: Initialise the KeyTable* Returns: -* Inputs: object:oInit - optional - Initalisation object with the following parameters:* array[2] int:focus - x and y coordinates of the initial target* or* node:focus - the node to set initial focus on* node:table - the table to use, if not given, first table with class 'KeyTable' will be used* string:focusClass - focusing class to give to table elements* object:that - focus* bool:initScroll - scroll the view port on load, default true* int:tabIndex - the tab index to give the hidden input element*/function _fnInit( table, datatable, oInit, that ){/* Save scope */_that = that;/* Capture undefined initialisation and apply the defaults */if ( typeof oInit == 'undefined' ) {oInit = {};}if ( typeof oInit.focus == 'undefined' ) {oInit.focus = [0,0];}oInit.table = table;$(oInit.table).addClass('KeyTable');if ( typeof oInit.focusClass != 'undefined' ) {_sFocusClass = oInit.focusClass;}if ( typeof datatable != 'undefined' ) {_oDatatable = datatable;}if ( typeof oInit.initScroll == 'undefined' ) {oInit.initScroll = true;}if ( typeof oInit.form == 'undefined' ) {oInit.form = false;}_bForm = oInit.form;/* Cache the tbody node of interest */_nBody = oInit.table.getElementsByTagName('tbody')[0];/* If the table is inside a form, then we need a hidden input box which can be used by the* browser to catch the browser tabbing for our table*/if ( _bForm ){var nDiv = document.createElement('div');_nInput = document.createElement('input');nDiv.style.height = "1px"; /* Opera requires a little something */nDiv.style.width = "0px";nDiv.style.overflow = "hidden";if ( typeof oInit.tabIndex != 'undefined' ){_nInput.tabIndex = oInit.tabIndex;}nDiv.appendChild(_nInput);oInit.table.parentNode.insertBefore( nDiv, oInit.table.nextSibling );$(_nInput).focus( function () {/* See if we want to 'tab into' the table or out */if ( !_bInputFocused ){_bKeyCapture = true;_bInputFocused = false;if ( typeof oInit.focus.nodeName != "undefined" ){_fnSetFocus( oInit.focus, oInit.initScroll );}else{_fnSetFocus( _fnCellFromCoords( oInit.focus[0], oInit.focus[1]), oInit.initScroll );}/* Need to interup the thread for this to work */setTimeout( function() { _nInput.blur(); }, 0 );}} );_bKeyCapture = false;}else{/* Set the initial focus on the table */if ( typeof oInit.focus.nodeName != "undefined" ){_fnSetFocus( oInit.focus, oInit.initScroll );}else{_fnSetFocus( _fnCellFromCoords( oInit.focus[0], oInit.focus[1]), oInit.initScroll );}_fnCaptureKeys();}/* Add event listeners */$(document).bind( "keydown", _fnKey );if ( _oDatatable ){$(_oDatatable.nTable).on( 'click', 'td', _fnClick );}else{$(_nBody).on( 'click', 'td', _fnClick );}/* Loose table focus when click outside the table */$(document).click( function(e) {var nTarget = e.target;var bTableClick = false;while ( nTarget ){if ( nTarget == oInit.table ){bTableClick = true;break;}nTarget = nTarget.parentNode;}if ( !bTableClick ){_fnBlur();}} );}var table, datatable;if ( oInit === undefined ) {table = $('table.KeyTable')[0];datatable = null;}else if ( $.isPlainObject( oInit ) ) {table = oInit.table;datatable = oInit.datatable;}else {datatable = new $.fn.dataTable.Api( oInit ).settings()[0];table = datatable.nTable;}/* Initialise our new object */_fnInit( table, datatable, oInit, this );};KeyTable.version = "1.2.1";$.fn.dataTable.KeyTable = KeyTable;$.fn.DataTable.KeyTable = KeyTable;return KeyTable;}; // /factory// Define as an AMD module if possibleif ( typeof define === 'function' && define.amd ) {define( ['jquery', 'datatables'], factory );}else if ( typeof exports === 'object' ) {// Node/CommonJSfactory( require('jquery'), require('datatables') );}else if ( jQuery && !jQuery.fn.dataTable.KeyTable ) {// Otherwise simply initialise as normal, stopping multiple evaluationfactory( jQuery, jQuery.fn.dataTable );}})(window, document);