--- /dev/null
+/*
+ * File: FixedHeader.js
+ * Version: 2.0.6
+ * Description: "Fix" a header at the top of the table, so it scrolls with the table
+ * Author: Allan Jardine (www.sprymedia.co.uk)
+ * Created: Wed 16 Sep 2009 19:46:30 BST
+ * Language: Javascript
+ * License: GPL v2 or BSD 3 point style
+ * Project: Just a little bit of fun - enjoy :-)
+ * Contact: www.sprymedia.co.uk/contact
+ *
+ * Copyright 2009-2012 Allan Jardine, all rights reserved.
+ *
+ * This source file is free software, under either the GPL v2 license or a
+ * BSD style license, available at:
+ * http://datatables.net/license_gpl2
+ * http://datatables.net/license_bsd
+ */
+
+/*
+ * Function: FixedHeader
+ * Purpose: Provide 'fixed' header, footer and columns on an HTML table
+ * Returns: object:FixedHeader - must be called with 'new'
+ * Inputs: mixed:mTable - target table
+ * 1. DataTable object - when using FixedHeader with DataTables, or
+ * 2. HTML table node - when using FixedHeader without DataTables
+ * object:oInit - initialisation settings, with the following properties (each optional)
+ * bool:top - fix the header (default true)
+ * bool:bottom - fix the footer (default false)
+ * bool:left - fix the left most column (default false)
+ * bool:right - fix the right most column (default false)
+ * int:zTop - fixed header zIndex
+ * int:zBottom - fixed footer zIndex
+ * int:zLeft - fixed left zIndex
+ * int:zRight - fixed right zIndex
+ */
+var FixedHeader = function ( mTable, oInit ) {
+ /* Sanity check - you just know it will happen */
+ if ( typeof this.fnInit != 'function' )
+ {
+ alert( "FixedHeader warning: FixedHeader must be initialised with the 'new' keyword." );
+ return;
+ }
+
+ var that = this;
+ var oSettings = {
+ "aoCache": [],
+ "oSides": {
+ "top": true,
+ "bottom": false,
+ "left": false,
+ "right": false
+ },
+ "oZIndexes": {
+ "top": 104,
+ "bottom": 103,
+ "left": 102,
+ "right": 101
+ },
+ "oMes": {
+ "iTableWidth": 0,
+ "iTableHeight": 0,
+ "iTableLeft": 0,
+ "iTableRight": 0, /* note this is left+width, not actually "right" */
+ "iTableTop": 0,
+ "iTableBottom": 0 /* note this is top+height, not actually "bottom" */
+ },
+ "oOffset": {
+ "top": 0
+ },
+ "nTable": null,
+ "bUseAbsPos": false,
+ "bFooter": false
+ };
+
+ /*
+ * Function: fnGetSettings
+ * Purpose: Get the settings for this object
+ * Returns: object: - settings object
+ * Inputs: -
+ */
+ this.fnGetSettings = function () {
+ return oSettings;
+ };
+
+ /*
+ * Function: fnUpdate
+ * Purpose: Update the positioning and copies of the fixed elements
+ * Returns: -
+ * Inputs: -
+ */
+ this.fnUpdate = function () {
+ this._fnUpdateClones();
+ this._fnUpdatePositions();
+ };
+
+ /*
+ * Function: fnPosition
+ * Purpose: Update the positioning of the fixed elements
+ * Returns: -
+ * Inputs: -
+ */
+ this.fnPosition = function () {
+ this._fnUpdatePositions();
+ };
+
+ /* Let's do it */
+ this.fnInit( mTable, oInit );
+
+ /* Store the instance on the DataTables object for easy access */
+ if ( typeof mTable.fnSettings == 'function' )
+ {
+ mTable._oPluginFixedHeader = this;
+ }
+};
+
+
+/*
+ * Variable: FixedHeader
+ * Purpose: Prototype for FixedHeader
+ * Scope: global
+ */
+FixedHeader.prototype = {
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Initialisation
+ */
+
+ /*
+ * Function: fnInit
+ * Purpose: The "constructor"
+ * Returns: -
+ * Inputs: {as FixedHeader function}
+ */
+ fnInit: function ( oTable, oInit )
+ {
+ var s = this.fnGetSettings();
+ var that = this;
+
+ /* Record the user definable settings */
+ this.fnInitSettings( s, oInit );
+
+ /* DataTables specific stuff */
+ if ( typeof oTable.fnSettings == 'function' )
+ {
+ if ( typeof oTable.fnVersionCheck == 'functon' &&
+ oTable.fnVersionCheck( '1.6.0' ) !== true )
+ {
+ alert( "FixedHeader 2 required DataTables 1.6.0 or later. "+
+ "Please upgrade your DataTables installation" );
+ return;
+ }
+
+ var oDtSettings = oTable.fnSettings();
+
+ if ( oDtSettings.oScroll.sX != "" || oDtSettings.oScroll.sY != "" )
+ {
+ alert( "FixedHeader 2 is not supported with DataTables' scrolling mode at this time" );
+ return;
+ }
+
+ s.nTable = oDtSettings.nTable;
+ oDtSettings.aoDrawCallback.push( {
+ "fn": function () {
+ FixedHeader.fnMeasure();
+ that._fnUpdateClones.call(that);
+ that._fnUpdatePositions.call(that);
+ },
+ "sName": "FixedHeader"
+ } );
+ }
+ else
+ {
+ s.nTable = oTable;
+ }
+
+ s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;
+
+ /* "Detect" browsers that don't support absolute positioing - or have bugs */
+ s.bUseAbsPos = (jQuery.browser.msie && (jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
+
+ /* Add the 'sides' that are fixed */
+ if ( s.oSides.top )
+ {
+ s.aoCache.push( that._fnCloneTable( "fixedHeader", "FixedHeader_Header", that._fnCloneThead ) );
+ }
+ if ( s.oSides.bottom )
+ {
+ s.aoCache.push( that._fnCloneTable( "fixedFooter", "FixedHeader_Footer", that._fnCloneTfoot ) );
+ }
+ if ( s.oSides.left )
+ {
+ s.aoCache.push( that._fnCloneTable( "fixedLeft", "FixedHeader_Left", that._fnCloneTLeft ) );
+ }
+ if ( s.oSides.right )
+ {
+ s.aoCache.push( that._fnCloneTable( "fixedRight", "FixedHeader_Right", that._fnCloneTRight ) );
+ }
+
+ /* Event listeners for window movement */
+ FixedHeader.afnScroll.push( function () {
+ that._fnUpdatePositions.call(that);
+ } );
+
+ jQuery(window).resize( function () {
+ FixedHeader.fnMeasure();
+ that._fnUpdateClones.call(that);
+ that._fnUpdatePositions.call(that);
+ } );
+
+ /* Get things right to start with */
+ FixedHeader.fnMeasure();
+ that._fnUpdateClones();
+ that._fnUpdatePositions();
+ },
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Support functions
+ */
+
+ /*
+ * Function: fnInitSettings
+ * Purpose: Take the user's settings and copy them to our local store
+ * Returns: -
+ * Inputs: object:s - the local settings object
+ * object:oInit - the user's settings object
+ */
+ fnInitSettings: function ( s, oInit )
+ {
+ if ( typeof oInit != 'undefined' )
+ {
+ if ( typeof oInit.top != 'undefined' ) {
+ s.oSides.top = oInit.top;
+ }
+ if ( typeof oInit.bottom != 'undefined' ) {
+ s.oSides.bottom = oInit.bottom;
+ }
+ if ( typeof oInit.left != 'undefined' ) {
+ s.oSides.left = oInit.left;
+ }
+ if ( typeof oInit.right != 'undefined' ) {
+ s.oSides.right = oInit.right;
+ }
+
+ if ( typeof oInit.zTop != 'undefined' ) {
+ s.oZIndexes.top = oInit.zTop;
+ }
+ if ( typeof oInit.zBottom != 'undefined' ) {
+ s.oZIndexes.bottom = oInit.zBottom;
+ }
+ if ( typeof oInit.zLeft != 'undefined' ) {
+ s.oZIndexes.left = oInit.zLeft;
+ }
+ if ( typeof oInit.zRight != 'undefined' ) {
+ s.oZIndexes.right = oInit.zRight;
+ }
+
+ if ( typeof oInit.offsetTop != 'undefined' ) {
+ s.oOffset.top = oInit.offsetTop;
+ }
+ }
+
+ /* Detect browsers which have poor position:fixed support so we can use absolute positions.
+ * This is much slower since the position must be updated for each scroll, but widens
+ * compatibility
+ */
+ s.bUseAbsPos = (jQuery.browser.msie &&
+ (jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
+ },
+
+ /*
+ * Function: _fnCloneTable
+ * Purpose: Clone the table node and do basic initialisation
+ * Returns: -
+ * Inputs: -
+ */
+ _fnCloneTable: function ( sType, sClass, fnClone )
+ {
+ var s = this.fnGetSettings();
+ var nCTable;
+
+ /* We know that the table _MUST_ has a DIV wrapped around it, because this is simply how
+ * DataTables works. Therefore, we can set this to be relatively position (if it is not
+ * alreadu absolute, and use this as the base point for the cloned header
+ */
+ if ( jQuery(s.nTable.parentNode).css('position') != "absolute" )
+ {
+ s.nTable.parentNode.style.position = "relative";
+ }
+
+ /* Just a shallow clone will do - we only want the table node */
+ nCTable = s.nTable.cloneNode( false );
+ nCTable.removeAttribute( 'id' );
+
+ var nDiv = document.createElement( 'div' );
+ nDiv.style.position = "absolute";
+ nDiv.style.top = "0px";
+ nDiv.style.left = "0px";
+ nDiv.className += " FixedHeader_Cloned "+sType+" "+sClass;
+
+ /* Set the zIndexes */
+ if ( sType == "fixedHeader" )
+ {
+ nDiv.style.zIndex = s.oZIndexes.top;
+ }
+ if ( sType == "fixedFooter" )
+ {
+ nDiv.style.zIndex = s.oZIndexes.bottom;
+ }
+ if ( sType == "fixedLeft" )
+ {
+ nDiv.style.zIndex = s.oZIndexes.left;
+ }
+ else if ( sType == "fixedRight" )
+ {
+ nDiv.style.zIndex = s.oZIndexes.right;
+ }
+
+ /* remove margins since we are going to poistion it absolutely */
+ nCTable.style.margin = "0";
+
+ /* Insert the newly cloned table into the DOM, on top of the "real" header */
+ nDiv.appendChild( nCTable );
+ document.body.appendChild( nDiv );
+
+ return {
+ "nNode": nCTable,
+ "nWrapper": nDiv,
+ "sType": sType,
+ "sPosition": "",
+ "sTop": "",
+ "sLeft": "",
+ "fnClone": fnClone
+ };
+ },
+
+ /*
+ * Function: _fnUpdatePositions
+ * Purpose: Get the current positioning of the table in the DOM
+ * Returns: -
+ * Inputs: -
+ */
+ _fnMeasure: function ()
+ {
+ var
+ s = this.fnGetSettings(),
+ m = s.oMes,
+ jqTable = jQuery(s.nTable),
+ oOffset = jqTable.offset(),
+ iParentScrollTop = this._fnSumScroll( s.nTable.parentNode, 'scrollTop' ),
+ iParentScrollLeft = this._fnSumScroll( s.nTable.parentNode, 'scrollLeft' );
+
+ m.iTableWidth = jqTable.outerWidth();
+ m.iTableHeight = jqTable.outerHeight();
+ m.iTableLeft = oOffset.left + s.nTable.parentNode.scrollLeft;
+ m.iTableTop = oOffset.top + iParentScrollTop;
+ m.iTableRight = m.iTableLeft + m.iTableWidth;
+ m.iTableRight = FixedHeader.oDoc.iWidth - m.iTableLeft - m.iTableWidth;
+ m.iTableBottom = FixedHeader.oDoc.iHeight - m.iTableTop - m.iTableHeight;
+ },
+
+ /*
+ * Function: _fnSumScroll
+ * Purpose: Sum node parameters all the way to the top
+ * Returns: int: sum
+ * Inputs: node:n - node to consider
+ * string:side - scrollTop or scrollLeft
+ */
+ _fnSumScroll: function ( n, side )
+ {
+ var i = n[side];
+ while ( n = n.parentNode )
+ {
+ if ( n.nodeName == 'HTML' || n.nodeName == 'BODY' )
+ {
+ break;
+ }
+ i = n[side];
+ }
+ return i;
+ },
+
+ /*
+ * Function: _fnUpdatePositions
+ * Purpose: Loop over the fixed elements for this table and update their positions
+ * Returns: -
+ * Inputs: -
+ */
+ _fnUpdatePositions: function ()
+ {
+ var s = this.fnGetSettings();
+ this._fnMeasure();
+
+ for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
+ {
+ if ( s.aoCache[i].sType == "fixedHeader" )
+ {
+ this._fnScrollFixedHeader( s.aoCache[i] );
+ }
+ else if ( s.aoCache[i].sType == "fixedFooter" )
+ {
+ this._fnScrollFixedFooter( s.aoCache[i] );
+ }
+ else if ( s.aoCache[i].sType == "fixedLeft" )
+ {
+ this._fnScrollHorizontalLeft( s.aoCache[i] );
+ }
+ else
+ {
+ this._fnScrollHorizontalRight( s.aoCache[i] );
+ }
+ }
+ },
+
+ /*
+ * Function: _fnUpdateClones
+ * Purpose: Loop over the fixed elements for this table and call their cloning functions
+ * Returns: -
+ * Inputs: -
+ */
+ _fnUpdateClones: function ()
+ {
+ var s = this.fnGetSettings();
+ for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
+ {
+ s.aoCache[i].fnClone.call( this, s.aoCache[i] );
+ }
+ },
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Scrolling functions
+ */
+
+ /*
+ * Function: _fnScrollHorizontalLeft
+ * Purpose: Update the positioning of the scrolling elements
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnScrollHorizontalRight: function ( oCache )
+ {
+ var
+ s = this.fnGetSettings(),
+ oMes = s.oMes,
+ oWin = FixedHeader.oWin,
+ oDoc = FixedHeader.oDoc,
+ nTable = oCache.nWrapper,
+ iFixedWidth = jQuery(nTable).outerWidth();
+
+ if ( oWin.iScrollRight < oMes.iTableRight )
+ {
+ /* Fully right aligned */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iFixedWidth)+"px", 'left', nTable.style );
+ }
+ else if ( oMes.iTableLeft < oDoc.iWidth-oWin.iScrollRight-iFixedWidth )
+ {
+ /* Middle */
+ if ( s.bUseAbsPos )
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oDoc.iWidth-oWin.iScrollRight-iFixedWidth)+"px", 'left', nTable.style );
+ }
+ else
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oWin.iWidth-iFixedWidth)+"px", 'left', nTable.style );
+ }
+ }
+ else
+ {
+ /* Fully left aligned */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ },
+
+ /*
+ * Function: _fnScrollHorizontalLeft
+ * Purpose: Update the positioning of the scrolling elements
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnScrollHorizontalLeft: function ( oCache )
+ {
+ var
+ s = this.fnGetSettings(),
+ oMes = s.oMes,
+ oWin = FixedHeader.oWin,
+ oDoc = FixedHeader.oDoc,
+ nTable = oCache.nWrapper,
+ iCellWidth = jQuery(nTable).outerWidth();
+
+ if ( oWin.iScrollLeft < oMes.iTableLeft )
+ {
+ /* Fully left align */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else if ( oWin.iScrollLeft < oMes.iTableLeft+oMes.iTableWidth-iCellWidth )
+ {
+ /* Middle */
+ if ( s.bUseAbsPos )
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oWin.iScrollLeft+"px", 'left', nTable.style );
+ }
+ else
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', "0px", 'left', nTable.style );
+ }
+ }
+ else
+ {
+ /* Fully right align */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iCellWidth)+"px", 'left', nTable.style );
+ }
+ },
+
+ /*
+ * Function: _fnScrollFixedFooter
+ * Purpose: Update the positioning of the scrolling elements
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnScrollFixedFooter: function ( oCache )
+ {
+ var
+ s = this.fnGetSettings(),
+ oMes = s.oMes,
+ oWin = FixedHeader.oWin,
+ oDoc = FixedHeader.oDoc,
+ nTable = oCache.nWrapper,
+ iTheadHeight = jQuery("thead", s.nTable).outerHeight(),
+ iCellHeight = jQuery(nTable).outerHeight();
+
+ if ( oWin.iScrollBottom < oMes.iTableBottom )
+ {
+ /* Below */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+oMes.iTableHeight-iCellHeight)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else if ( oWin.iScrollBottom < oMes.iTableBottom+oMes.iTableHeight-iCellHeight-iTheadHeight )
+ {
+ /* Middle */
+ if ( s.bUseAbsPos )
+ {
+ this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oDoc.iHeight-oWin.iScrollBottom-iCellHeight)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oWin.iHeight-iCellHeight)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
+ }
+ }
+ else
+ {
+ /* Above */
+ this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iCellHeight)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ },
+
+ /*
+ * Function: _fnScrollFixedHeader
+ * Purpose: Update the positioning of the scrolling elements
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnScrollFixedHeader: function ( oCache )
+ {
+ var
+ s = this.fnGetSettings(),
+ oMes = s.oMes,
+ oWin = FixedHeader.oWin,
+ oDoc = FixedHeader.oDoc,
+ nTable = oCache.nWrapper,
+ iTbodyHeight = 0,
+ anTbodies = s.nTable.getElementsByTagName('tbody');
+
+ for (var i = 0; i < anTbodies.length; ++i) {
+ iTbodyHeight += anTbodies[i].offsetHeight;
+ }
+
+ if ( oMes.iTableTop > oWin.iScrollTop + s.oOffset.top )
+ {
+ /* Above the table */
+ this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else if ( oWin.iScrollTop + s.oOffset.top > oMes.iTableTop+iTbodyHeight )
+ {
+ /* At the bottom of the table */
+ this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iTbodyHeight)+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else
+ {
+ /* In the middle of the table */
+ if ( s.bUseAbsPos )
+ {
+ this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', oWin.iScrollTop+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
+ }
+ else
+ {
+ this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
+ this._fnUpdateCache( oCache, 'sTop', s.oOffset.top+"px", 'top', nTable.style );
+ this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
+ }
+ }
+ },
+
+ /*
+ * Function: _fnUpdateCache
+ * Purpose: Check the cache and update cache and value if needed
+ * Returns: -
+ * Inputs: object:oCache - local cache object
+ * string:sCache - cache property
+ * string:sSet - value to set
+ * string:sProperty - object property to set
+ * object:oObj - object to update
+ */
+ _fnUpdateCache: function ( oCache, sCache, sSet, sProperty, oObj )
+ {
+ if ( oCache[sCache] != sSet )
+ {
+ oObj[sProperty] = sSet;
+ oCache[sCache] = sSet;
+ }
+ },
+
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Cloning functions
+ */
+
+ /*
+ * Function: _fnCloneThead
+ * Purpose: Clone the thead element
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnCloneThead: function ( oCache )
+ {
+ var s = this.fnGetSettings();
+ var nTable = oCache.nNode;
+
+ /* Set the wrapper width to match that of the cloned table */
+ oCache.nWrapper.style.width = jQuery(s.nTable).outerWidth()+"px";
+
+ /* Remove any children the cloned table has */
+ while ( nTable.childNodes.length > 0 )
+ {
+ jQuery('thead th', nTable).unbind( 'click' );
+ nTable.removeChild( nTable.childNodes[0] );
+ }
+
+ /* Clone the DataTables header */
+ var nThead = jQuery('thead', s.nTable).clone(true)[0];
+ nTable.appendChild( nThead );
+
+ /* Copy the widths across - apparently a clone isn't good enough for this */
+ jQuery("thead>tr th", s.nTable).each( function (i) {
+ jQuery("thead>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
+ } );
+
+ jQuery("thead>tr td", s.nTable).each( function (i) {
+ jQuery("thead>tr td:eq("+i+")", nTable).width( jQuery(this).width() );
+ } );
+ },
+
+ /*
+ * Function: _fnCloneTfoot
+ * Purpose: Clone the tfoot element
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnCloneTfoot: function ( oCache )
+ {
+ var s = this.fnGetSettings();
+ var nTable = oCache.nNode;
+
+ /* Set the wrapper width to match that of the cloned table */
+ oCache.nWrapper.style.width = jQuery(s.nTable).outerWidth()+"px";
+
+ /* Remove any children the cloned table has */
+ while ( nTable.childNodes.length > 0 )
+ {
+ nTable.removeChild( nTable.childNodes[0] );
+ }
+
+ /* Clone the DataTables footer */
+ var nTfoot = jQuery('tfoot', s.nTable).clone(true)[0];
+ nTable.appendChild( nTfoot );
+
+ /* Copy the widths across - apparently a clone isn't good enough for this */
+ jQuery("tfoot:eq(0)>tr th", s.nTable).each( function (i) {
+ jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
+ } );
+
+ jQuery("tfoot:eq(0)>tr td", s.nTable).each( function (i) {
+ jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable)[0].style.width( jQuery(this).width() );
+ } );
+ },
+
+ /*
+ * Function: _fnCloneTLeft
+ * Purpose: Clone the left column
+ * Returns: -
+ * Inputs: object:oCache - the cached values for this fixed element
+ */
+ _fnCloneTLeft: function ( oCache )
+ {
+ var s = this.fnGetSettings();
+ var nTable = oCache.nNode;
+ var nBody = $('tbody', s.nTable)[0];
+ var iCols = $('tbody tr:eq(0) td', s.nTable).length;
+ var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
+
+ /* Remove any children the cloned table has */
+ while ( nTable.childNodes.length > 0 )
+ {
+ nTable.removeChild( nTable.childNodes[0] );
+ }
+
+ /* Is this the most efficient way to do this - it looks horrible... */
+ nTable.appendChild( jQuery("thead", s.nTable).clone(true)[0] );
+ nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
+ if ( s.bFooter )
+ {
+ nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
+ }
+
+ /* Remove unneeded cells */
+ $('thead tr', nTable).each( function (k) {
+ $('th:gt(0)', this).remove();
+ } );
+
+ $('tfoot tr', nTable).each( function (k) {
+ $('th:gt(0)', this).remove();
+ } );
+
+ $('tbody tr', nTable).each( function (k) {
+ $('td:gt(0)', this).remove();
+ } );
+
+ this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
+
+ var iWidth = jQuery('thead tr th:eq(0)', s.nTable).outerWidth();
+ nTable.style.width = iWidth+"px";
+ oCache.nWrapper.style.width = iWidth+"px";
+ },
+
+ /*
+ * Function: _fnCloneTRight
+ * Purpose: Clone the right most colun
+ * Returns: -
+ * Inputs: object:oCache - the cahced values for this fixed element
+ */
+ _fnCloneTRight: function ( oCache )
+ {
+ var s = this.fnGetSettings();
+ var nBody = $('tbody', s.nTable)[0];
+ var nTable = oCache.nNode;
+ var iCols = jQuery('tbody tr:eq(0) td', s.nTable).length;
+ var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
+
+ /* Remove any children the cloned table has */
+ while ( nTable.childNodes.length > 0 )
+ {
+ nTable.removeChild( nTable.childNodes[0] );
+ }
+
+ /* Is this the most efficient way to do this - it looks horrible... */
+ nTable.appendChild( jQuery("thead", s.nTable).clone(true)[0] );
+ nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
+ if ( s.bFooter )
+ {
+ nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
+ }
+ jQuery('thead tr th:not(:nth-child('+iCols+'n))', nTable).remove();
+ jQuery('tfoot tr th:not(:nth-child('+iCols+'n))', nTable).remove();
+
+ /* Remove unneeded cells */
+ $('tbody tr', nTable).each( function (k) {
+ $('td:lt('+(iCols-1)+')', this).remove();
+ } );
+
+ this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
+
+ var iWidth = jQuery('thead tr th:eq('+(iCols-1)+')', s.nTable).outerWidth();
+ nTable.style.width = iWidth+"px";
+ oCache.nWrapper.style.width = iWidth+"px";
+ },
+
+
+ /**
+ * Equalise the heights of the rows in a given table node in a cross browser way. Note that this
+ * is more or less lifted as is from FixedColumns
+ * @method fnEqualiseHeights
+ * @returns void
+ * @param {string} parent Node type - thead, tbody or tfoot
+ * @param {element} original Original node to take the heights from
+ * @param {element} clone Copy the heights to
+ * @private
+ */
+ "fnEqualiseHeights": function ( parent, original, clone )
+ {
+ var that = this,
+ jqBoxHack = $(parent+' tr:eq(0)', original).children(':eq(0)'),
+ iBoxHack = jqBoxHack.outerHeight() - jqBoxHack.height(),
+ bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
+
+ /* Remove cells which are not needed and copy the height from the original table */
+ $(parent+' tr', clone).each( function (k) {
+ /* Can we use some kind of object detection here?! This is very nasty - damn browsers */
+ if ( $.browser.mozilla || $.browser.opera )
+ {
+ $(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() );
+ }
+ else
+ {
+ $(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() - iBoxHack );
+ }
+
+ if ( !bRubbishOldIE )
+ {
+ $(parent+' tr:eq('+k+')', original).height( $(parent+' tr:eq('+k+')', original).outerHeight() );
+ }
+ } );
+ }
+};
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static properties and methods
+ * We use these for speed! This information is common to all instances of FixedHeader, so no
+ * point if having them calculated and stored for each different instance.
+ */
+
+/*
+ * Variable: oWin
+ * Purpose: Store information about the window positioning
+ * Scope: FixedHeader
+ */
+FixedHeader.oWin = {
+ "iScrollTop": 0,
+ "iScrollRight": 0,
+ "iScrollBottom": 0,
+ "iScrollLeft": 0,
+ "iHeight": 0,
+ "iWidth": 0
+};
+
+/*
+ * Variable: oDoc
+ * Purpose: Store information about the document size
+ * Scope: FixedHeader
+ */
+FixedHeader.oDoc = {
+ "iHeight": 0,
+ "iWidth": 0
+};
+
+/*
+ * Variable: afnScroll
+ * Purpose: Array of functions that are to be used for the scrolling components
+ * Scope: FixedHeader
+ */
+FixedHeader.afnScroll = [];
+
+/*
+ * Function: fnMeasure
+ * Purpose: Update the measurements for the window and document
+ * Returns: -
+ * Inputs: -
+ */
+FixedHeader.fnMeasure = function ()
+{
+ var
+ jqWin = jQuery(window),
+ jqDoc = jQuery(document),
+ oWin = FixedHeader.oWin,
+ oDoc = FixedHeader.oDoc;
+
+ oDoc.iHeight = jqDoc.height();
+ oDoc.iWidth = jqDoc.width();
+
+ oWin.iHeight = jqWin.height();
+ oWin.iWidth = jqWin.width();
+ oWin.iScrollTop = jqWin.scrollTop();
+ oWin.iScrollLeft = jqWin.scrollLeft();
+ oWin.iScrollRight = oDoc.iWidth - oWin.iScrollLeft - oWin.iWidth;
+ oWin.iScrollBottom = oDoc.iHeight - oWin.iScrollTop - oWin.iHeight;
+};
+
+
+FixedHeader.VERSION = "2.0.6";
+FixedHeader.prototype.VERSION = FixedHeader.VERSION;
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Global processing
+ */
+
+/*
+ * Just one 'scroll' event handler in FixedHeader, which calls the required components. This is
+ * done as an optimisation, to reduce calculation and proagation time
+ */
+jQuery(window).scroll( function () {
+ FixedHeader.fnMeasure();
+ for ( var i=0, iLen=FixedHeader.afnScroll.length ; i<iLen ; i++ )
+ {
+ FixedHeader.afnScroll[i]();
+ }
+} );
git://source.jalview.org / proteocache.git / blobdiff