+++ /dev/null
-/*! 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 1.3
-var 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;
- }
- var
- x, 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 possible
-if ( typeof define === 'function' && define.amd ) {
- define( ['jquery', 'datatables'], factory );
-}
-else if ( typeof exports === 'object' ) {
- // Node/CommonJS
- factory( require('jquery'), require('datatables') );
-}
-else if ( jQuery && !jQuery.fn.dataTable.KeyTable ) {
- // Otherwise simply initialise as normal, stopping multiple evaluation
- factory( jQuery, jQuery.fn.dataTable );
-}
-
-
-})(window, document);
Code Review / stor4nfv.git / blobdiff