--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ztfy/myams/resources/js/ext/jquery-dataTables-keyTable.js Wed May 07 10:36:24 2014 +0200
@@ -0,0 +1,1063 @@
+/*! KeyTable 1.2.0
+ * ©2010-2014 SpryMedia Ltd - datatables.net/license
+ */
+
+/**
+ * @summary KeyTable
+ * @description Spreadsheet like keyboard navigation for DataTables
+ * @version 1.2.0
+ * @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 = "1.2.0";
+
+
+ $.fn.dataTable.KeyTable = KeyTable;
+ $.fn.DataTable.KeyTable = KeyTable;
+
+
+ return KeyTable;
+ }; // /factory
+
+
+ factory(jQuery, jQuery.fn.dataTable);
+
+
+})(window, document);