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File: source/asset/table/extensions/FixedColumns/js/dataTables.fixedColumns.js

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File: source/asset/table/extensions/FixedColumns/js/dataTables.fixedColumns.js
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/*! FixedColumns 3.2.2 * ©2010-2016 SpryMedia Ltd - datatables.net/license */ /** * @summary FixedColumns * @description Freeze columns in place on a scrolling DataTable * @version 3.2.2 * @file dataTables.fixedColumns.js * @author SpryMedia Ltd (www.sprymedia.co.uk) * @contact www.sprymedia.co.uk/contact * @copyright Copyright 2010-2016 SpryMedia Ltd. * * This source file is free software, available under the following license: * MIT license - http://datatables.net/license/mit * * This source file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details. * * For details please refer to: http://www.datatables.net */ (function( factory ){ if ( typeof define === 'function' && define.amd ) { // AMD define( ['jquery', 'datatables.net'], function ( $ ) { return factory( $, window, document ); } ); } else if ( typeof exports === 'object' ) { // CommonJS module.exports = function (root, $) { if ( ! root ) { root = window; } if ( ! $ || ! $.fn.dataTable ) { $ = require('datatables.net')(root, $).$; } return factory( $, root, root.document ); }; } else { // Browser factory( jQuery, window, document ); } }(function( $, window, document, undefined ) { 'use strict'; var DataTable = $.fn.dataTable; var _firefoxScroll; /** * When making use of DataTables' x-axis scrolling feature, you may wish to * fix the left most column in place. This plug-in for DataTables provides * exactly this option (note for non-scrolling tables, please use the * FixedHeader plug-in, which can fix headers, footers and columns). Key * features include: * * * Freezes the left or right most columns to the side of the table * * Option to freeze two or more columns * * Full integration with DataTables' scrolling options * * Speed - FixedColumns is fast in its operation * * @class * @constructor * @global * @param {object} dt DataTables instance. With DataTables 1.10 this can also * be a jQuery collection, a jQuery selector, DataTables API instance or * settings object. * @param {object} [init={}] Configuration object for FixedColumns. Options are * defined by {@link FixedColumns.defaults} * * @requires jQuery 1.7+ * @requires DataTables 1.8.0+ * * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * new $.fn.dataTable.fixedColumns( table ); */ var FixedColumns = function ( dt, init ) { var that = this; /* Sanity check - you just know it will happen */ if ( ! ( this instanceof FixedColumns ) ) { alert( "FixedColumns warning: FixedColumns must be initialised with the 'new' keyword." ); return; } if ( init === undefined || init === true ) { init = {}; } // Use the DataTables Hungarian notation mapping method, if it exists to // provide forwards compatibility for camel case variables var camelToHungarian = $.fn.dataTable.camelToHungarian; if ( camelToHungarian ) { camelToHungarian( FixedColumns.defaults, FixedColumns.defaults, true ); camelToHungarian( FixedColumns.defaults, init ); } // v1.10 allows the settings object to be got form a number of sources var dtSettings = new $.fn.dataTable.Api( dt ).settings()[0]; /** * Settings object which contains customisable information for FixedColumns instance * @namespace * @extends FixedColumns.defaults * @private */ this.s = { /** * DataTables settings objects * @type object * @default Obtained from DataTables instance */ "dt": dtSettings, /** * Number of columns in the DataTable - stored for quick access * @type int * @default Obtained from DataTables instance */ "iTableColumns": dtSettings.aoColumns.length, /** * Original outer widths of the columns as rendered by DataTables - used to calculate * the FixedColumns grid bounding box * @type array.<int> * @default [] */ "aiOuterWidths": [], /** * Original inner widths of the columns as rendered by DataTables - used to apply widths * to the columns * @type array.<int> * @default [] */ "aiInnerWidths": [], /** * Is the document layout right-to-left * @type boolean */ rtl: $(dtSettings.nTable).css('direction') === 'rtl' }; /** * DOM elements used by the class instance * @namespace * @private * */ this.dom = { /** * DataTables scrolling element * @type node * @default null */ "scroller": null, /** * DataTables header table * @type node * @default null */ "header": null, /** * DataTables body table * @type node * @default null */ "body": null, /** * DataTables footer table * @type node * @default null */ "footer": null, /** * Display grid elements * @namespace */ "grid": { /** * Grid wrapper. This is the container element for the 3x3 grid * @type node * @default null */ "wrapper": null, /** * DataTables scrolling element. This element is the DataTables * component in the display grid (making up the main table - i.e. * not the fixed columns). * @type node * @default null */ "dt": null, /** * Left fixed column grid components * @namespace */ "left": { "wrapper": null, "head": null, "body": null, "foot": null }, /** * Right fixed column grid components * @namespace */ "right": { "wrapper": null, "head": null, "body": null, "foot": null } }, /** * Cloned table nodes * @namespace */ "clone": { /** * Left column cloned table nodes * @namespace */ "left": { /** * Cloned header table * @type node * @default null */ "header": null, /** * Cloned body table * @type node * @default null */ "body": null, /** * Cloned footer table * @type node * @default null */ "footer": null }, /** * Right column cloned table nodes * @namespace */ "right": { /** * Cloned header table * @type node * @default null */ "header": null, /** * Cloned body table * @type node * @default null */ "body": null, /** * Cloned footer table * @type node * @default null */ "footer": null } } }; if ( dtSettings._oFixedColumns ) { throw 'FixedColumns already initialised on this table'; } /* Attach the instance to the DataTables instance so it can be accessed easily */ dtSettings._oFixedColumns = this; /* Let's do it */ if ( ! dtSettings._bInitComplete ) { dtSettings.oApi._fnCallbackReg( dtSettings, 'aoInitComplete', function () { that._fnConstruct( init ); }, 'FixedColumns' ); } else { this._fnConstruct( init ); } }; $.extend( FixedColumns.prototype , { /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Public methods * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * Update the fixed columns - including headers and footers. Note that FixedColumns will * automatically update the display whenever the host DataTable redraws. * @returns {void} * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * var fc = new $.fn.dataTable.fixedColumns( table ); * * // at some later point when the table has been manipulated.... * fc.fnUpdate(); */ "fnUpdate": function () { this._fnDraw( true ); }, /** * Recalculate the resizes of the 3x3 grid that FixedColumns uses for display of the table. * This is useful if you update the width of the table container. Note that FixedColumns will * perform this function automatically when the window.resize event is fired. * @returns {void} * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * var fc = new $.fn.dataTable.fixedColumns( table ); * * // Resize the table container and then have FixedColumns adjust its layout.... * $('#content').width( 1200 ); * fc.fnRedrawLayout(); */ "fnRedrawLayout": function () { this._fnColCalc(); this._fnGridLayout(); this.fnUpdate(); }, /** * Mark a row such that it's height should be recalculated when using 'semiauto' row * height matching. This function will have no effect when 'none' or 'auto' row height * matching is used. * @param {Node} nTr TR element that should have it's height recalculated * @returns {void} * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * var fc = new $.fn.dataTable.fixedColumns( table ); * * // manipulate the table - mark the row as needing an update then update the table * // this allows the redraw performed by DataTables fnUpdate to recalculate the row * // height * fc.fnRecalculateHeight(); * table.fnUpdate( $('#example tbody tr:eq(0)')[0], ["insert date", 1, 2, 3 ... ]); */ "fnRecalculateHeight": function ( nTr ) { delete nTr._DTTC_iHeight; nTr.style.height = 'auto'; }, /** * Set the height of a given row - provides cross browser compatibility * @param {Node} nTarget TR element that should have it's height recalculated * @param {int} iHeight Height in pixels to set * @returns {void} * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * var fc = new $.fn.dataTable.fixedColumns( table ); * * // You may want to do this after manipulating a row in the fixed column * fc.fnSetRowHeight( $('#example tbody tr:eq(0)')[0], 50 ); */ "fnSetRowHeight": function ( nTarget, iHeight ) { nTarget.style.height = iHeight+"px"; }, /** * Get data index information about a row or cell in the table body. * This function is functionally identical to fnGetPosition in DataTables, * taking the same parameter (TH, TD or TR node) and returning exactly the * the same information (data index information). THe difference between * the two is that this method takes into account the fixed columns in the * table, so you can pass in nodes from the master table, or the cloned * tables and get the index position for the data in the main table. * @param {node} node TR, TH or TD element to get the information about * @returns {int} If nNode is given as a TR, then a single index is * returned, or if given as a cell, an array of [row index, column index * (visible), column index (all)] is given. */ "fnGetPosition": function ( node ) { var idx; var inst = this.s.dt.oInstance; if ( ! $(node).parents('.DTFC_Cloned').length ) { // Not in a cloned table return inst.fnGetPosition( node ); } else { // Its in the cloned table, so need to look up position if ( node.nodeName.toLowerCase() === 'tr' ) { idx = $(node).index(); return inst.fnGetPosition( $('tr', this.s.dt.nTBody)[ idx ] ); } else { var colIdx = $(node).index(); idx = $(node.parentNode).index(); var row = inst.fnGetPosition( $('tr', this.s.dt.nTBody)[ idx ] ); return [ row, colIdx, inst.oApi._fnVisibleToColumnIndex( this.s.dt, colIdx ) ]; } } }, /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Private methods (they are of course public in JS, but recommended as private) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * Initialisation for FixedColumns * @param {Object} oInit User settings for initialisation * @returns {void} * @private */ "_fnConstruct": function ( oInit ) { var i, iLen, iWidth, that = this; /* Sanity checking */ if ( typeof this.s.dt.oInstance.fnVersionCheck != 'function' || this.s.dt.oInstance.fnVersionCheck( '1.8.0' ) !== true ) { alert( "FixedColumns "+FixedColumns.VERSION+" required DataTables 1.8.0 or later. "+ "Please upgrade your DataTables installation" ); return; } if ( this.s.dt.oScroll.sX === "" ) { this.s.dt.oInstance.oApi._fnLog( this.s.dt, 1, "FixedColumns is not needed (no "+ "x-scrolling in DataTables enabled), so no action will be taken. Use 'FixedHeader' for "+ "column fixing when scrolling is not enabled" ); return; } /* Apply the settings from the user / defaults */ this.s = $.extend( true, this.s, FixedColumns.defaults, oInit ); /* Set up the DOM as we need it and cache nodes */ var classes = this.s.dt.oClasses; this.dom.grid.dt = $(this.s.dt.nTable).parents('div.'+classes.sScrollWrapper)[0]; this.dom.scroller = $('div.'+classes.sScrollBody, this.dom.grid.dt )[0]; /* Set up the DOM that we want for the fixed column layout grid */ this._fnColCalc(); this._fnGridSetup(); /* Event handlers */ var mouseController; var mouseDown = false; // When the mouse is down (drag scroll) the mouse controller cannot // change, as the browser keeps the original element as the scrolling one $(this.s.dt.nTableWrapper).on( 'mousedown.DTFC', function () { mouseDown = true; $(document).one( 'mouseup', function () { mouseDown = false; } ); } ); // When the body is scrolled - scroll the left and right columns $(this.dom.scroller) .on( 'mouseover.DTFC touchstart.DTFC', function () { if ( ! mouseDown ) { mouseController = 'main'; } } ) .on( 'scroll.DTFC', function (e) { if ( ! mouseController && e.originalEvent ) { mouseController = 'main'; } if ( mouseController === 'main' ) { if ( that.s.iLeftColumns > 0 ) { that.dom.grid.left.liner.scrollTop = that.dom.scroller.scrollTop; } if ( that.s.iRightColumns > 0 ) { that.dom.grid.right.liner.scrollTop = that.dom.scroller.scrollTop; } } } ); var wheelType = 'onwheel' in document.createElement('div') ? 'wheel.DTFC' : 'mousewheel.DTFC'; if ( that.s.iLeftColumns > 0 ) { // When scrolling the left column, scroll the body and right column $(that.dom.grid.left.liner) .on( 'mouseover.DTFC touchstart.DTFC', function () { if ( ! mouseDown ) { mouseController = 'left'; } } ) .on( 'scroll.DTFC', function ( e ) { if ( ! mouseController && e.originalEvent ) { mouseController = 'left'; } if ( mouseController === 'left' ) { that.dom.scroller.scrollTop = that.dom.grid.left.liner.scrollTop; if ( that.s.iRightColumns > 0 ) { that.dom.grid.right.liner.scrollTop = that.dom.grid.left.liner.scrollTop; } } } ) .on( wheelType, function(e) { // Pass horizontal scrolling through var xDelta = e.type === 'wheel' ? -e.originalEvent.deltaX : e.originalEvent.wheelDeltaX; that.dom.scroller.scrollLeft -= xDelta; } ); } if ( that.s.iRightColumns > 0 ) { // When scrolling the right column, scroll the body and the left column $(that.dom.grid.right.liner) .on( 'mouseover.DTFC touchstart.DTFC', function () { if ( ! mouseDown ) { mouseController = 'right'; } } ) .on( 'scroll.DTFC', function ( e ) { if ( ! mouseController && e.originalEvent ) { mouseController = 'right'; } if ( mouseController === 'right' ) { that.dom.scroller.scrollTop = that.dom.grid.right.liner.scrollTop; if ( that.s.iLeftColumns > 0 ) { that.dom.grid.left.liner.scrollTop = that.dom.grid.right.liner.scrollTop; } } } ) .on( wheelType, function(e) { // Pass horizontal scrolling through var xDelta = e.type === 'wheel' ? -e.originalEvent.deltaX : e.originalEvent.wheelDeltaX; that.dom.scroller.scrollLeft -= xDelta; } ); } $(window).on( 'resize.DTFC', function () { that._fnGridLayout.call( that ); } ); var bFirstDraw = true; var jqTable = $(this.s.dt.nTable); jqTable .on( 'draw.dt.DTFC', function () { that._fnColCalc(); that._fnDraw.call( that, bFirstDraw ); bFirstDraw = false; } ) .on( 'column-sizing.dt.DTFC', function () { that._fnColCalc(); that._fnGridLayout( that ); } ) .on( 'column-visibility.dt.DTFC', function ( e, settings, column, vis, recalc ) { if ( recalc === undefined || recalc ) { that._fnColCalc(); that._fnGridLayout( that ); that._fnDraw( true ); } } ) .on( 'select.dt.DTFC deselect.dt.DTFC', function ( e, dt, type, indexes ) { if ( e.namespace === 'dt' ) { that._fnDraw( false ); } } ) .on( 'destroy.dt.DTFC', function () { jqTable.off( '.DTFC' ); $(that.dom.scroller).off( '.DTFC' ); $(window).off( '.DTFC' ); $(that.s.dt.nTableWrapper).off( '.DTFC' ); $(that.dom.grid.left.liner).off( '.DTFC '+wheelType ); $(that.dom.grid.left.wrapper).remove(); $(that.dom.grid.right.liner).off( '.DTFC '+wheelType ); $(that.dom.grid.right.wrapper).remove(); } ); /* Get things right to start with - note that due to adjusting the columns, there must be * another redraw of the main table. It doesn't need to be a full redraw however. */ this._fnGridLayout(); this.s.dt.oInstance.fnDraw(false); }, /** * Calculate the column widths for the grid layout * @returns {void} * @private */ "_fnColCalc": function () { var that = this; var iLeftWidth = 0; var iRightWidth = 0; this.s.aiInnerWidths = []; this.s.aiOuterWidths = []; $.each( this.s.dt.aoColumns, function (i, col) { var th = $(col.nTh); var border; if ( ! th.filter(':visible').length ) { that.s.aiInnerWidths.push( 0 ); that.s.aiOuterWidths.push( 0 ); } else { // Inner width is used to assign widths to cells // Outer width is used to calculate the container var iWidth = th.outerWidth(); // When working with the left most-cell, need to add on the // table's border to the outerWidth, since we need to take // account of it, but it isn't in any cell if ( that.s.aiOuterWidths.length === 0 ) { border = $(that.s.dt.nTable).css('border-left-width'); iWidth += typeof border === 'string' ? 1 : parseInt( border, 10 ); } // Likewise with the final column on the right if ( that.s.aiOuterWidths.length === that.s.dt.aoColumns.length-1 ) { border = $(that.s.dt.nTable).css('border-right-width'); iWidth += typeof border === 'string' ? 1 : parseInt( border, 10 ); } that.s.aiOuterWidths.push( iWidth ); that.s.aiInnerWidths.push( th.width() ); if ( i < that.s.iLeftColumns ) { iLeftWidth += iWidth; } if ( that.s.iTableColumns-that.s.iRightColumns <= i ) { iRightWidth += iWidth; } } } ); this.s.iLeftWidth = iLeftWidth; this.s.iRightWidth = iRightWidth; }, /** * Set up the DOM for the fixed column. The way the layout works is to create a 1x3 grid * for the left column, the DataTable (for which we just reuse the scrolling element DataTable * puts into the DOM) and the right column. In each of he two fixed column elements there is a * grouping wrapper element and then a head, body and footer wrapper. In each of these we then * place the cloned header, body or footer tables. This effectively gives as 3x3 grid structure. * @returns {void} * @private */ "_fnGridSetup": function () { var that = this; var oOverflow = this._fnDTOverflow(); var block; this.dom.body = this.s.dt.nTable; this.dom.header = this.s.dt.nTHead.parentNode; this.dom.header.parentNode.parentNode.style.position = "relative"; var nSWrapper = $('<div class="DTFC_ScrollWrapper" style="position:relative; clear:both;">'+ '<div class="DTFC_LeftWrapper" style="position:absolute; top:0; left:0;">'+ '<div class="DTFC_LeftHeadWrapper" style="position:relative; top:0; left:0; overflow:hidden;"></div>'+ '<div class="DTFC_LeftBodyWrapper" style="position:relative; top:0; left:0; overflow:hidden;">'+ '<div class="DTFC_LeftBodyLiner" style="position:relative; top:0; left:0; overflow-y:scroll;"></div>'+ '</div>'+ '<div class="DTFC_LeftFootWrapper" style="position:relative; top:0; left:0; overflow:hidden;"></div>'+ '</div>'+ '<div class="DTFC_RightWrapper" style="position:absolute; top:0; right:0;">'+ '<div class="DTFC_RightHeadWrapper" style="position:relative; top:0; left:0;">'+ '<div class="DTFC_RightHeadBlocker DTFC_Blocker" style="position:absolute; top:0; bottom:0;"></div>'+ '</div>'+ '<div class="DTFC_RightBodyWrapper" style="position:relative; top:0; left:0; overflow:hidden;">'+ '<div class="DTFC_RightBodyLiner" style="position:relative; top:0; left:0; overflow-y:scroll;"></div>'+ '</div>'+ '<div class="DTFC_RightFootWrapper" style="position:relative; top:0; left:0;">'+ '<div class="DTFC_RightFootBlocker DTFC_Blocker" style="position:absolute; top:0; bottom:0;"></div>'+ '</div>'+ '</div>'+ '</div>')[0]; var nLeft = nSWrapper.childNodes[0]; var nRight = nSWrapper.childNodes[1]; this.dom.grid.dt.parentNode.insertBefore( nSWrapper, this.dom.grid.dt ); nSWrapper.appendChild( this.dom.grid.dt ); this.dom.grid.wrapper = nSWrapper; if ( this.s.iLeftColumns > 0 ) { this.dom.grid.left.wrapper = nLeft; this.dom.grid.left.head = nLeft.childNodes[0]; this.dom.grid.left.body = nLeft.childNodes[1]; this.dom.grid.left.liner = $('div.DTFC_LeftBodyLiner', nSWrapper)[0]; nSWrapper.appendChild( nLeft ); } if ( this.s.iRightColumns > 0 ) { this.dom.grid.right.wrapper = nRight; this.dom.grid.right.head = nRight.childNodes[0]; this.dom.grid.right.body = nRight.childNodes[1]; this.dom.grid.right.liner = $('div.DTFC_RightBodyLiner', nSWrapper)[0]; nRight.style.right = oOverflow.bar+"px"; block = $('div.DTFC_RightHeadBlocker', nSWrapper)[0]; block.style.width = oOverflow.bar+"px"; block.style.right = -oOverflow.bar+"px"; this.dom.grid.right.headBlock = block; block = $('div.DTFC_RightFootBlocker', nSWrapper)[0]; block.style.width = oOverflow.bar+"px"; block.style.right = -oOverflow.bar+"px"; this.dom.grid.right.footBlock = block; nSWrapper.appendChild( nRight ); } if ( this.s.dt.nTFoot ) { this.dom.footer = this.s.dt.nTFoot.parentNode; if ( this.s.iLeftColumns > 0 ) { this.dom.grid.left.foot = nLeft.childNodes[2]; } if ( this.s.iRightColumns > 0 ) { this.dom.grid.right.foot = nRight.childNodes[2]; } } // RTL support - swap the position of the left and right columns (#48) if ( this.s.rtl ) { $('div.DTFC_RightHeadBlocker', nSWrapper).css( { left: -oOverflow.bar+'px', right: '' } ); } }, /** * Style and position the grid used for the FixedColumns layout * @returns {void} * @private */ "_fnGridLayout": function () { var that = this; var oGrid = this.dom.grid; var iWidth = $(oGrid.wrapper).width(); var iBodyHeight = $(this.s.dt.nTable.parentNode).outerHeight(); var iFullHeight = $(this.s.dt.nTable.parentNode.parentNode).outerHeight(); var oOverflow = this._fnDTOverflow(); var iLeftWidth = this.s.iLeftWidth; var iRightWidth = this.s.iRightWidth; var rtl = $(this.dom.body).css('direction') === 'rtl'; var wrapper; var scrollbarAdjust = function ( node, width ) { if ( ! oOverflow.bar ) { // If there is no scrollbar (Macs) we need to hide the auto scrollbar node.style.width = (width+20)+"px"; node.style.paddingRight = "20px"; node.style.boxSizing = "border-box"; } else if ( that._firefoxScrollError() ) { // See the above function for why this is required if ( $(node).height() > 34 ) { node.style.width = (width+oOverflow.bar)+"px"; } } else { // Otherwise just overflow by the scrollbar node.style.width = (width+oOverflow.bar)+"px"; } }; // When x scrolling - don't paint the fixed columns over the x scrollbar if ( oOverflow.x ) { iBodyHeight -= oOverflow.bar; } oGrid.wrapper.style.height = iFullHeight+"px"; if ( this.s.iLeftColumns > 0 ) { wrapper = oGrid.left.wrapper; wrapper.style.width = iLeftWidth+'px'; wrapper.style.height = '1px'; // Swap the position of the left and right columns for rtl (#48) // This is always up against the edge, scrollbar on the far side if ( rtl ) { wrapper.style.left = ''; wrapper.style.right = 0; } else { wrapper.style.left = 0; wrapper.style.right = ''; } oGrid.left.body.style.height = iBodyHeight+"px"; if ( oGrid.left.foot ) { oGrid.left.foot.style.top = (oOverflow.x ? oOverflow.bar : 0)+"px"; // shift footer for scrollbar } scrollbarAdjust( oGrid.left.liner, iLeftWidth ); oGrid.left.liner.style.height = iBodyHeight+"px"; } if ( this.s.iRightColumns > 0 ) { wrapper = oGrid.right.wrapper; wrapper.style.width = iRightWidth+'px'; wrapper.style.height = '1px'; // Need to take account of the vertical scrollbar if ( this.s.rtl ) { wrapper.style.left = oOverflow.y ? oOverflow.bar+'px' : 0; wrapper.style.right = ''; } else { wrapper.style.left = ''; wrapper.style.right = oOverflow.y ? oOverflow.bar+'px' : 0; } oGrid.right.body.style.height = iBodyHeight+"px"; if ( oGrid.right.foot ) { oGrid.right.foot.style.top = (oOverflow.x ? oOverflow.bar : 0)+"px"; } scrollbarAdjust( oGrid.right.liner, iRightWidth ); oGrid.right.liner.style.height = iBodyHeight+"px"; oGrid.right.headBlock.style.display = oOverflow.y ? 'block' : 'none'; oGrid.right.footBlock.style.display = oOverflow.y ? 'block' : 'none'; } }, /** * Get information about the DataTable's scrolling state - specifically if the table is scrolling * on either the x or y axis, and also the scrollbar width. * @returns {object} Information about the DataTables scrolling state with the properties: * 'x', 'y' and 'bar' * @private */ "_fnDTOverflow": function () { var nTable = this.s.dt.nTable; var nTableScrollBody = nTable.parentNode; var out = { "x": false, "y": false, "bar": this.s.dt.oScroll.iBarWidth }; if ( nTable.offsetWidth > nTableScrollBody.clientWidth ) { out.x = true; } if ( nTable.offsetHeight > nTableScrollBody.clientHeight ) { out.y = true; } return out; }, /** * Clone and position the fixed columns * @returns {void} * @param {Boolean} bAll Indicate if the header and footer should be updated as well (true) * @private */ "_fnDraw": function ( bAll ) { this._fnGridLayout(); this._fnCloneLeft( bAll ); this._fnCloneRight( bAll ); /* Draw callback function */ if ( this.s.fnDrawCallback !== null ) { this.s.fnDrawCallback.call( this, this.dom.clone.left, this.dom.clone.right ); } /* Event triggering */ $(this).trigger( 'draw.dtfc', { "leftClone": this.dom.clone.left, "rightClone": this.dom.clone.right } ); }, /** * Clone the right columns * @returns {void} * @param {Boolean} bAll Indicate if the header and footer should be updated as well (true) * @private */ "_fnCloneRight": function ( bAll ) { if ( this.s.iRightColumns <= 0 ) { return; } var that = this, i, jq, aiColumns = []; for ( i=this.s.iTableColumns-this.s.iRightColumns ; i<this.s.iTableColumns ; i++ ) { if ( this.s.dt.aoColumns[i].bVisible ) { aiColumns.push( i ); } } this._fnClone( this.dom.clone.right, this.dom.grid.right, aiColumns, bAll ); }, /** * Clone the left columns * @returns {void} * @param {Boolean} bAll Indicate if the header and footer should be updated as well (true) * @private */ "_fnCloneLeft": function ( bAll ) { if ( this.s.iLeftColumns <= 0 ) { return; } var that = this, i, jq, aiColumns = []; for ( i=0 ; i<this.s.iLeftColumns ; i++ ) { if ( this.s.dt.aoColumns[i].bVisible ) { aiColumns.push( i ); } } this._fnClone( this.dom.clone.left, this.dom.grid.left, aiColumns, bAll ); }, /** * Make a copy of the layout object for a header or footer element from DataTables. Note that * this method will clone the nodes in the layout object. * @returns {Array} Copy of the layout array * @param {Object} aoOriginal Layout array from DataTables (aoHeader or aoFooter) * @param {Object} aiColumns Columns to copy * @param {boolean} events Copy cell events or not * @private */ "_fnCopyLayout": function ( aoOriginal, aiColumns, events ) { var aReturn = []; var aClones = []; var aCloned = []; for ( var i=0, iLen=aoOriginal.length ; i<iLen ; i++ ) { var aRow = []; aRow.nTr = $(aoOriginal[i].nTr).clone(events, false)[0]; for ( var j=0, jLen=this.s.iTableColumns ; j<jLen ; j++ ) { if ( $.inArray( j, aiColumns ) === -1 ) { continue; } var iCloned = $.inArray( aoOriginal[i][j].cell, aCloned ); if ( iCloned === -1 ) { var nClone = $(aoOriginal[i][j].cell).clone(events, false)[0]; aClones.push( nClone ); aCloned.push( aoOriginal[i][j].cell ); aRow.push( { "cell": nClone, "unique": aoOriginal[i][j].unique } ); } else { aRow.push( { "cell": aClones[ iCloned ], "unique": aoOriginal[i][j].unique } ); } } aReturn.push( aRow ); } return aReturn; }, /** * Clone the DataTable nodes and place them in the DOM (sized correctly) * @returns {void} * @param {Object} oClone Object containing the header, footer and body cloned DOM elements * @param {Object} oGrid Grid object containing the display grid elements for the cloned * column (left or right) * @param {Array} aiColumns Column indexes which should be operated on from the DataTable * @param {Boolean} bAll Indicate if the header and footer should be updated as well (true) * @private */ "_fnClone": function ( oClone, oGrid, aiColumns, bAll ) { var that = this, i, iLen, j, jLen, jq, nTarget, iColumn, nClone, iIndex, aoCloneLayout, jqCloneThead, aoFixedHeader, dt = this.s.dt; /* * Header */ if ( bAll ) { $(oClone.header).remove(); oClone.header = $(this.dom.header).clone(true, false)[0]; oClone.header.className += " DTFC_Cloned"; oClone.header.style.width = "100%"; oGrid.head.appendChild( oClone.header ); /* Copy the DataTables layout cache for the header for our floating column */ aoCloneLayout = this._fnCopyLayout( dt.aoHeader, aiColumns, true ); jqCloneThead = $('>thead', oClone.header); jqCloneThead.empty(); /* Add the created cloned TR elements to the table */ for ( i=0, iLen=aoCloneLayout.length ; i<iLen ; i++ ) { jqCloneThead[0].appendChild( aoCloneLayout[i].nTr ); } /* Use the handy _fnDrawHead function in DataTables to do the rowspan/colspan * calculations for us */ dt.oApi._fnDrawHead( dt, aoCloneLayout, true ); } else { /* To ensure that we copy cell classes exactly, regardless of colspan, multiple rows * etc, we make a copy of the header from the DataTable again, but don't insert the * cloned cells, just copy the classes across. To get the matching layout for the * fixed component, we use the DataTables _fnDetectHeader method, allowing 1:1 mapping */ aoCloneLayout = this._fnCopyLayout( dt.aoHeader, aiColumns, false ); aoFixedHeader=[]; dt.oApi._fnDetectHeader( aoFixedHeader, $('>thead', oClone.header)[0] ); for ( i=0, iLen=aoCloneLayout.length ; i<iLen ; i++ ) { for ( j=0, jLen=aoCloneLayout[i].length ; j<jLen ; j++ ) { aoFixedHeader[i][j].cell.className = aoCloneLayout[i][j].cell.className; // If jQuery UI theming is used we need to copy those elements as well $('span.DataTables_sort_icon', aoFixedHeader[i][j].cell).each( function () { this.className = $('span.DataTables_sort_icon', aoCloneLayout[i][j].cell)[0].className; } ); } } } this._fnEqualiseHeights( 'thead', this.dom.header, oClone.header ); /* * Body */ if ( this.s.sHeightMatch == 'auto' ) { /* Remove any heights which have been applied already and let the browser figure it out */ $('>tbody>tr', that.dom.body).css('height', 'auto'); } if ( oClone.body !== null ) { $(oClone.body).remove(); oClone.body = null; } oClone.body = $(this.dom.body).clone(true)[0]; oClone.body.className += " DTFC_Cloned"; oClone.body.style.paddingBottom = dt.oScroll.iBarWidth+"px"; oClone.body.style.marginBottom = (dt.oScroll.iBarWidth*2)+"px"; /* For IE */ if ( oClone.body.getAttribute('id') !== null ) { oClone.body.removeAttribute('id'); } $('>thead>tr', oClone.body).empty(); $('>tfoot', oClone.body).remove(); var nBody = $('tbody', oClone.body)[0]; $(nBody).empty(); if ( dt.aiDisplay.length > 0 ) { /* Copy the DataTables' header elements to force the column width in exactly the * same way that DataTables does it - have the header element, apply the width and * colapse it down */ var nInnerThead = $('>thead>tr', oClone.body)[0]; for ( iIndex=0 ; iIndex<aiColumns.length ; iIndex++ ) { iColumn = aiColumns[iIndex]; nClone = $(dt.aoColumns[iColumn].nTh).clone(true)[0]; nClone.innerHTML = ""; var oStyle = nClone.style; oStyle.paddingTop = "0"; oStyle.paddingBottom = "0"; oStyle.borderTopWidth = "0"; oStyle.borderBottomWidth = "0"; oStyle.height = 0; oStyle.width = that.s.aiInnerWidths[iColumn]+"px"; nInnerThead.appendChild( nClone ); } /* Add in the tbody elements, cloning form the master table */ $('>tbody>tr', that.dom.body).each( function (z) { var i = that.s.dt.oFeatures.bServerSide===false ? that.s.dt.aiDisplay[ that.s.dt._iDisplayStart+z ] : z; var aTds = that.s.dt.aoData[ i ].anCells || $(this).children('td, th'); var n = this.cloneNode(false); n.removeAttribute('id'); n.setAttribute( 'data-dt-row', i ); for ( iIndex=0 ; iIndex<aiColumns.length ; iIndex++ ) { iColumn = aiColumns[iIndex]; if ( aTds.length > 0 ) { nClone = $( aTds[iColumn] ).clone(true, true)[0]; nClone.setAttribute( 'data-dt-row', i ); nClone.setAttribute( 'data-dt-column', iIndex ); n.appendChild( nClone ); } } nBody.appendChild( n ); } ); } else { $('>tbody>tr', that.dom.body).each( function (z) { nClone = this.cloneNode(true); nClone.className += ' DTFC_NoData'; $('td', nClone).html(''); nBody.appendChild( nClone ); } ); } oClone.body.style.width = "100%"; oClone.body.style.margin = "0"; oClone.body.style.padding = "0"; // Interop with Scroller - need to use a height forcing element in the // scrolling area in the same way that Scroller does in the body scroll. if ( dt.oScroller !== undefined ) { var scrollerForcer = dt.oScroller.dom.force; if ( ! oGrid.forcer ) { oGrid.forcer = scrollerForcer.cloneNode( true ); oGrid.liner.appendChild( oGrid.forcer ); } else { oGrid.forcer.style.height = scrollerForcer.style.height; } } oGrid.liner.appendChild( oClone.body ); this._fnEqualiseHeights( 'tbody', that.dom.body, oClone.body ); /* * Footer */ if ( dt.nTFoot !== null ) { if ( bAll ) { if ( oClone.footer !== null ) { oClone.footer.parentNode.removeChild( oClone.footer ); } oClone.footer = $(this.dom.footer).clone(true, true)[0]; oClone.footer.className += " DTFC_Cloned"; oClone.footer.style.width = "100%"; oGrid.foot.appendChild( oClone.footer ); /* Copy the footer just like we do for the header */ aoCloneLayout = this._fnCopyLayout( dt.aoFooter, aiColumns, true ); var jqCloneTfoot = $('>tfoot', oClone.footer); jqCloneTfoot.empty(); for ( i=0, iLen=aoCloneLayout.length ; i<iLen ; i++ ) { jqCloneTfoot[0].appendChild( aoCloneLayout[i].nTr ); } dt.oApi._fnDrawHead( dt, aoCloneLayout, true ); } else { aoCloneLayout = this._fnCopyLayout( dt.aoFooter, aiColumns, false ); var aoCurrFooter=[]; dt.oApi._fnDetectHeader( aoCurrFooter, $('>tfoot', oClone.footer)[0] ); for ( i=0, iLen=aoCloneLayout.length ; i<iLen ; i++ ) { for ( j=0, jLen=aoCloneLayout[i].length ; j<jLen ; j++ ) { aoCurrFooter[i][j].cell.className = aoCloneLayout[i][j].cell.className; } } } this._fnEqualiseHeights( 'tfoot', this.dom.footer, oClone.footer ); } /* Equalise the column widths between the header footer and body - body get's priority */ var anUnique = dt.oApi._fnGetUniqueThs( dt, $('>thead', oClone.header)[0] ); $(anUnique).each( function (i) { iColumn = aiColumns[i]; this.style.width = that.s.aiInnerWidths[iColumn]+"px"; } ); if ( that.s.dt.nTFoot !== null ) { anUnique = dt.oApi._fnGetUniqueThs( dt, $('>tfoot', oClone.footer)[0] ); $(anUnique).each( function (i) { iColumn = aiColumns[i]; this.style.width = that.s.aiInnerWidths[iColumn]+"px"; } ); } }, /** * From a given table node (THEAD etc), get a list of TR direct child elements * @param {Node} nIn Table element to search for TR elements (THEAD, TBODY or TFOOT element) * @returns {Array} List of TR elements found * @private */ "_fnGetTrNodes": function ( nIn ) { var aOut = []; for ( var i=0, iLen=nIn.childNodes.length ; i<iLen ; i++ ) { if ( nIn.childNodes[i].nodeName.toUpperCase() == "TR" ) { aOut.push( nIn.childNodes[i] ); } } return aOut; }, /** * Equalise the heights of the rows in a given table node in a cross browser way * @returns {void} * @param {String} nodeName Node type - thead, tbody or tfoot * @param {Node} original Original node to take the heights from * @param {Node} clone Copy the heights to * @private */ "_fnEqualiseHeights": function ( nodeName, original, clone ) { if ( this.s.sHeightMatch == 'none' && nodeName !== 'thead' && nodeName !== 'tfoot' ) { return; } var that = this, i, iLen, iHeight, iHeight2, iHeightOriginal, iHeightClone, rootOriginal = original.getElementsByTagName(nodeName)[0], rootClone = clone.getElementsByTagName(nodeName)[0], jqBoxHack = $('>'+nodeName+'>tr:eq(0)', original).children(':first'), iBoxHack = jqBoxHack.outerHeight() - jqBoxHack.height(), anOriginal = this._fnGetTrNodes( rootOriginal ), anClone = this._fnGetTrNodes( rootClone ), heights = []; for ( i=0, iLen=anClone.length ; i<iLen ; i++ ) { iHeightOriginal = anOriginal[i].offsetHeight; iHeightClone = anClone[i].offsetHeight; iHeight = iHeightClone > iHeightOriginal ? iHeightClone : iHeightOriginal; if ( this.s.sHeightMatch == 'semiauto' ) { anOriginal[i]._DTTC_iHeight = iHeight; } heights.push( iHeight ); } for ( i=0, iLen=anClone.length ; i<iLen ; i++ ) { anClone[i].style.height = heights[i]+"px"; anOriginal[i].style.height = heights[i]+"px"; } }, /** * Determine if the UA suffers from Firefox's overflow:scroll scrollbars * not being shown bug. * * Firefox doesn't draw scrollbars, even if it is told to using * overflow:scroll, if the div is less than 34px height. See bugs 292284 and * 781885. Using UA detection here since this is particularly hard to detect * using objects - its a straight up rendering error in Firefox. * * @return {boolean} True if Firefox error is present, false otherwise */ _firefoxScrollError: function () { if ( _firefoxScroll === undefined ) { var test = $('<div/>') .css( { position: 'absolute', top: 0, left: 0, height: 10, width: 50, overflow: 'scroll' } ) .appendTo( 'body' ); // Make sure this doesn't apply on Macs with 0 width scrollbars _firefoxScroll = ( test[0].clientWidth === test[0].offsetWidth && this._fnDTOverflow().bar !== 0 ); test.remove(); } return _firefoxScroll; } } ); /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Statics * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * FixedColumns default settings for initialisation * @name FixedColumns.defaults * @namespace * @static */ FixedColumns.defaults = /** @lends FixedColumns.defaults */{ /** * Number of left hand columns to fix in position * @type int * @default 1 * @static * @example * var = $('#example').dataTable( { * "scrollX": "100%" * } ); * new $.fn.dataTable.fixedColumns( table, { * "leftColumns": 2 * } ); */ "iLeftColumns": 1, /** * Number of right hand columns to fix in position * @type int * @default 0 * @static * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * new $.fn.dataTable.fixedColumns( table, { * "rightColumns": 1 * } ); */ "iRightColumns": 0, /** * Draw callback function which is called when FixedColumns has redrawn the fixed assets * @type function(object, object):void * @default null * @static * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * new $.fn.dataTable.fixedColumns( table, { * "drawCallback": function () { * alert( "FixedColumns redraw" ); * } * } ); */ "fnDrawCallback": null, /** * Height matching algorthim to use. This can be "none" which will result in no height * matching being applied by FixedColumns (height matching could be forced by CSS in this * case), "semiauto" whereby the height calculation will be performed once, and the result * cached to be used again (fnRecalculateHeight can be used to force recalculation), or * "auto" when height matching is performed on every draw (slowest but must accurate) * @type string * @default semiauto * @static * @example * var table = $('#example').dataTable( { * "scrollX": "100%" * } ); * new $.fn.dataTable.fixedColumns( table, { * "heightMatch": "auto" * } ); */ "sHeightMatch": "semiauto" }; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Constants * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * FixedColumns version * @name FixedColumns.version * @type String * @default See code * @static */ FixedColumns.version = "3.2.2"; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * DataTables API integration * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ DataTable.Api.register( 'fixedColumns()', function () { return this; } ); DataTable.Api.register( 'fixedColumns().update()', function () { return this.iterator( 'table', function ( ctx ) { if ( ctx._oFixedColumns ) { ctx._oFixedColumns.fnUpdate(); } } ); } ); DataTable.Api.register( 'fixedColumns().relayout()', function () { return this.iterator( 'table', function ( ctx ) { if ( ctx._oFixedColumns ) { ctx._oFixedColumns.fnRedrawLayout(); } } ); } ); DataTable.Api.register( 'rows().recalcHeight()', function () { return this.iterator( 'row', function ( ctx, idx ) { if ( ctx._oFixedColumns ) { ctx._oFixedColumns.fnRecalculateHeight( this.row(idx).node() ); } } ); } ); DataTable.Api.register( 'fixedColumns().rowIndex()', function ( row ) { row = $(row); return row.parents('.DTFC_Cloned').length ? this.rows( { page: 'current' } ).indexes()[ row.index() ] : this.row( row ).index(); } ); DataTable.Api.register( 'fixedColumns().cellIndex()', function ( cell ) { cell = $(cell); if ( cell.parents('.DTFC_Cloned').length ) { var rowClonedIdx = cell.parent().index(); var rowIdx = this.rows( { page: 'current' } ).indexes()[ rowClonedIdx ]; var columnIdx; if ( cell.parents('.DTFC_LeftWrapper').length ) { columnIdx = cell.index(); } else { var columns = this.columns().flatten().length; columnIdx = columns - this.context[0]._oFixedColumns.s.iRightColumns + cell.index(); } return { row: rowIdx, column: this.column.index( 'toData', columnIdx ), columnVisible: columnIdx }; } else { return this.cell( cell ).index(); } } ); /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Initialisation * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ // Attach a listener to the document which listens for DataTables initialisation // events so we can automatically initialise $(document).on( 'init.dt.fixedColumns', function (e, settings) { if ( e.namespace !== 'dt' ) { return; } var init = settings.oInit.fixedColumns; var defaults = DataTable.defaults.fixedColumns; if ( init || defaults ) { var opts = $.extend( {}, init, defaults ); if ( init !== false ) { new FixedColumns( settings, opts ); } } } ); // Make FixedColumns accessible from the DataTables instance $.fn.dataTable.FixedColumns = FixedColumns; $.fn.DataTable.FixedColumns = FixedColumns; return FixedColumns; }));