707 lines
21 KiB
JavaScript
707 lines
21 KiB
JavaScript
/*!
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* jquery.fixedHeaderTable. The jQuery fixedHeaderTable plugin
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*
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* Copyright (c) 2013 Mark Malek
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* http://fixedheadertable.com
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*
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* Licensed under MIT
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* http://www.opensource.org/licenses/mit-license.php
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*
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* http://docs.jquery.com/Plugins/Authoring
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* jQuery authoring guidelines
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*
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* Launch : October 2009
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* Version : 1.3
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* Released: May 9th, 2011
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*
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*
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* all CSS sizing (width,height) is done in pixels (px)
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*/
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(function ($) {
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$.fn.fixedHeaderTable = function (method) {
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// plugin's default options
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var defaults = {
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width: '100%',
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height: '100%',
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themeClass: 'fht-default',
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borderCollapse: true,
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fixedColumns: 0, // fixed first columns
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fixedColumn: false, // For backward-compatibility
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sortable: false,
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autoShow: true, // hide table after its created
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footer: false, // show footer
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cloneHeadToFoot: false, // clone head and use as footer
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autoResize: false, // resize table if its parent wrapper changes size
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create: null // callback after plugin completes
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};
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var settings = {};
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// public methods
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var methods = {
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init: function (options) {
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settings = $.extend({}, defaults, options);
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// iterate through all the DOM elements we are attaching the plugin to
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return this.each(function () {
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var $self = $(this); // reference the jQuery version of the current DOM element
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if (helpers._isTable($self)) {
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methods.setup.apply(this, Array.prototype.slice.call(arguments, 1));
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$.isFunction(settings.create) && settings.create.call(this);
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} else {
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$.error('Invalid table mark-up');
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}
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});
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},
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/*
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* Setup table structure for fixed headers and optional footer
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*/
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setup: function () {
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var $self = $(this),
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self = this,
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$thead = $self.find('thead'),
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$tfoot = $self.find('tfoot'),
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tfootHeight = 0,
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$wrapper,
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$divHead,
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$divBody,
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$fixedBody,
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widthMinusScrollbar;
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settings.originalTable = $(this).clone();
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settings.includePadding = helpers._isPaddingIncludedWithWidth();
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settings.scrollbarOffset = helpers._getScrollbarWidth();
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settings.themeClassName = settings.themeClass;
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if (settings.width.search('%') > -1) {
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widthMinusScrollbar = $self.parent().width() - settings.scrollbarOffset;
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} else {
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widthMinusScrollbar = settings.width - settings.scrollbarOffset;
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}
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$self.css({
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width: widthMinusScrollbar
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});
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if (!$self.closest('.fht-table-wrapper').length) {
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$self.addClass('fht-table');
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$self.wrap('<div class="fht-table-wrapper"></div>');
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}
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$wrapper = $self.closest('.fht-table-wrapper');
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if(settings.fixedColumn == true && settings.fixedColumns <= 0) {
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settings.fixedColumns = 1;
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}
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if (settings.fixedColumns > 0 && $wrapper.find('.fht-fixed-column').length == 0) {
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$self.wrap('<div class="fht-fixed-body"></div>');
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$('<div class="fht-fixed-column"></div>').prependTo($wrapper);
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$fixedBody = $wrapper.find('.fht-fixed-body');
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}
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$wrapper.css({
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width: settings.width,
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height: settings.height
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})
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.addClass(settings.themeClassName);
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if (!$self.hasClass('fht-table-init')) {
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$self.wrap('<div class="fht-tbody"></div>');
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}
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$divBody = $self.closest('.fht-tbody');
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var tableProps = helpers._getTableProps($self);
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helpers._setupClone($divBody, tableProps.tbody);
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if (!$self.hasClass('fht-table-init')) {
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if (settings.fixedColumns > 0) {
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$divHead = $('<div class="fht-thead"><table class="fht-table"></table></div>').prependTo($fixedBody);
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} else {
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$divHead = $('<div class="fht-thead"><table class="fht-table"></table></div>').prependTo($wrapper);
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}
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$divHead.find('table.fht-table')
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.addClass(settings.originalTable.attr('class'))
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.attr('style', settings.originalTable.attr('style'));
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$thead.clone().appendTo($divHead.find('table'));
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} else {
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$divHead = $wrapper.find('div.fht-thead');
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}
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helpers._setupClone($divHead, tableProps.thead);
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$self.css({
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'margin-top': -$divHead.outerHeight(true)
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});
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/*
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* Check for footer
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* Setup footer if present
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*/
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if (settings.footer == true) {
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helpers._setupTableFooter($self, self, tableProps);
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if (!$tfoot.length) {
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$tfoot = $wrapper.find('div.fht-tfoot table');
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}
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tfootHeight = $tfoot.outerHeight(true);
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}
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var tbodyHeight = $wrapper.height() - $thead.outerHeight(true) - tfootHeight - tableProps.border;
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$divBody.css({
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'height': tbodyHeight
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});
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$self.addClass('fht-table-init');
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if (typeof(settings.altClass) !== 'undefined') {
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methods.altRows.apply(self);
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}
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if (settings.fixedColumns > 0) {
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helpers._setupFixedColumn($self, self, tableProps);
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}
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if (!settings.autoShow) {
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$wrapper.hide();
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}
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helpers._bindScroll($divBody, tableProps);
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return self;
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},
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/*
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* Resize the table
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* Incomplete - not implemented yet
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*/
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resize: function() {
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var self = this;
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return self;
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},
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/*
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* Add CSS class to alternating rows
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*/
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altRows: function(arg1) {
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var $self = $(this),
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altClass = (typeof(arg1) !== 'undefined') ? arg1 : settings.altClass;
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$self.closest('.fht-table-wrapper')
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.find('tbody tr:odd:not(:hidden)')
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.addClass(altClass);
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},
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/*
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* Show a hidden fixedHeaderTable table
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*/
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show: function(arg1, arg2, arg3) {
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var $self = $(this),
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self = this,
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$wrapper = $self.closest('.fht-table-wrapper');
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// User provided show duration without a specific effect
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if (typeof(arg1) !== 'undefined' && typeof(arg1) === 'number') {
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$wrapper.show(arg1, function() {
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$.isFunction(arg2) && arg2.call(this);
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});
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return self;
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} else if (typeof(arg1) !== 'undefined' && typeof(arg1) === 'string' &&
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typeof(arg2) !== 'undefined' && typeof(arg2) === 'number') {
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// User provided show duration with an effect
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$wrapper.show(arg1, arg2, function() {
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$.isFunction(arg3) && arg3.call(this);
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});
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return self;
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}
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$self.closest('.fht-table-wrapper')
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.show();
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$.isFunction(arg1) && arg1.call(this);
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return self;
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},
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/*
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* Hide a fixedHeaderTable table
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*/
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hide: function(arg1, arg2, arg3) {
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var $self = $(this),
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self = this,
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$wrapper = $self.closest('.fht-table-wrapper');
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// User provided show duration without a specific effect
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if (typeof(arg1) !== 'undefined' && typeof(arg1) === 'number') {
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$wrapper.hide(arg1, function() {
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$.isFunction(arg3) && arg3.call(this);
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});
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return self;
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} else if (typeof(arg1) !== 'undefined' && typeof(arg1) === 'string' &&
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typeof(arg2) !== 'undefined' && typeof(arg2) === 'number') {
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$wrapper.hide(arg1, arg2, function() {
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$.isFunction(arg3) && arg3.call(this);
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});
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return self;
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}
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$self.closest('.fht-table-wrapper')
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.hide();
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$.isFunction(arg3) && arg3.call(this);
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return self;
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},
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/*
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* Destory fixedHeaderTable and return table to original state
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*/
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destroy: function() {
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var $self = $(this),
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self = this,
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$wrapper = $self.closest('.fht-table-wrapper');
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$self.insertBefore($wrapper)
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.removeAttr('style')
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.append($wrapper.find('tfoot'))
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.removeClass('fht-table fht-table-init')
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.find('.fht-cell')
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.remove();
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$wrapper.remove();
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return self;
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}
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};
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// private methods
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var helpers = {
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/*
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* return boolean
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* True if a thead and tbody exist.
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*/
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_isTable: function($obj) {
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var $self = $obj,
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hasTable = $self.is('table'),
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hasThead = $self.find('thead').length > 0,
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hasTbody = $self.find('tbody').length > 0;
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if (hasTable && hasThead && hasTbody) {
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return true;
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}
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return false;
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},
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/*
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* return void
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* bind scroll event
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*/
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_bindScroll: function($obj) {
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var $self = $obj,
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$wrapper = $self.closest('.fht-table-wrapper'),
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$thead = $self.siblings('.fht-thead'),
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$tfoot = $self.siblings('.fht-tfoot');
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$self.bind('scroll', function() {
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if (settings.fixedColumns > 0) {
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var $fixedColumns = $wrapper.find('.fht-fixed-column');
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$fixedColumns.find('.fht-tbody table')
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.css({
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'margin-top': -$self.scrollTop()
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});
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}
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$thead.find('table')
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.css({
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'margin-left': -this.scrollLeft
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});
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if (settings.footer || settings.cloneHeadToFoot) {
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$tfoot.find('table')
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.css({
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'margin-left': -this.scrollLeft
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});
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}
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});
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},
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/*
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* return void
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*/
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_fixHeightWithCss: function ($obj, tableProps) {
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if (settings.includePadding) {
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$obj.css({
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'height': $obj.height() + tableProps.border
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});
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} else {
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$obj.css({
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'height': $obj.parent().height() + tableProps.border
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});
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}
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},
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/*
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* return void
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*/
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_fixWidthWithCss: function($obj, tableProps, width) {
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if (settings.includePadding) {
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$obj.each(function() {
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$(this).css({
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'width': width == undefined ? $(this).width() + tableProps.border : width + tableProps.border
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});
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});
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} else {
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$obj.each(function() {
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$(this).css({
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'width': width == undefined ? $(this).parent().width() + tableProps.border : width + tableProps.border
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});
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});
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}
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},
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/*
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* return void
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*/
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_setupFixedColumn: function ($obj, obj, tableProps) {
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var $self = $obj,
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$wrapper = $self.closest('.fht-table-wrapper'),
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$fixedBody = $wrapper.find('.fht-fixed-body'),
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$fixedColumn = $wrapper.find('.fht-fixed-column'),
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$thead = $('<div class="fht-thead"><table class="fht-table"><thead><tr></tr></thead></table></div>'),
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$tbody = $('<div class="fht-tbody"><table class="fht-table"><tbody></tbody></table></div>'),
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$tfoot = $('<div class="fht-tfoot"><table class="fht-table"><tfoot><tr></tr></tfoot></table></div>'),
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fixedBodyWidth = $wrapper.width(),
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fixedBodyHeight = $fixedBody.find('.fht-tbody').height() - settings.scrollbarOffset,
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$firstThChildren,
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$firstTdChildren,
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fixedColumnWidth,
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$newRow,
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firstTdChildrenSelector;
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$thead.find('table.fht-table').addClass(settings.originalTable.attr('class'));
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$tbody.find('table.fht-table').addClass(settings.originalTable.attr('class'));
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$tfoot.find('table.fht-table').addClass(settings.originalTable.attr('class'));
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$firstThChildren = $fixedBody.find('.fht-thead thead tr > *:lt(' + settings.fixedColumns + ')');
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fixedColumnWidth = settings.fixedColumns * tableProps.border;
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$firstThChildren.each(function() {
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fixedColumnWidth += $(this).outerWidth(true);
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});
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// Fix cell heights
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helpers._fixHeightWithCss($firstThChildren, tableProps);
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helpers._fixWidthWithCss($firstThChildren, tableProps);
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var tdWidths = [];
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$firstThChildren.each(function() {
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tdWidths.push($(this).width());
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});
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firstTdChildrenSelector = 'tbody tr > *:not(:nth-child(n+' + (settings.fixedColumns + 1) + '))';
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$firstTdChildren = $fixedBody.find(firstTdChildrenSelector)
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.each(function(index) {
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helpers._fixHeightWithCss($(this), tableProps);
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helpers._fixWidthWithCss($(this), tableProps, tdWidths[index % settings.fixedColumns] );
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});
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// clone header
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$thead.appendTo($fixedColumn)
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.find('tr')
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.append($firstThChildren.clone());
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$tbody.appendTo($fixedColumn)
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.css({
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'margin-top': -1,
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'height': fixedBodyHeight + tableProps.border
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});
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$firstTdChildren.each(function(index) {
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if (index % settings.fixedColumns == 0) {
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$newRow = $('<tr></tr>').appendTo($tbody.find('tbody'));
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if (settings.altClass && $(this).parent().hasClass(settings.altClass)) {
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$newRow.addClass(settings.altClass);
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}
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}
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$(this).clone()
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.appendTo($newRow);
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});
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// set width of fixed column wrapper
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$fixedColumn.css({
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'height': 0,
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'width': fixedColumnWidth
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});
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// bind mousewheel events
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var maxTop = $fixedColumn.find('.fht-tbody .fht-table').height() - $fixedColumn.find('.fht-tbody').height();
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$fixedColumn.find('.fht-tbody .fht-table').bind('mousewheel', function(event, delta, deltaX, deltaY) {
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if (deltaY == 0) {
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return;
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}
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var top = parseInt($(this).css('marginTop'), 10) + (deltaY > 0 ? 120 : -120);
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if (top > 0) {
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top = 0;
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}
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if (top < -maxTop) {
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top = -maxTop;
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}
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$(this).css('marginTop', top);
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$fixedBody.find('.fht-tbody').scrollTop(-top).scroll();
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return false;
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});
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// set width of body table wrapper
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$fixedBody.css({
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'width': fixedBodyWidth
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});
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// setup clone footer with fixed column
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if (settings.footer == true || settings.cloneHeadToFoot == true) {
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var $firstTdFootChild = $fixedBody.find('.fht-tfoot tr > *:lt(' + settings.fixedColumns + ')'),
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footwidth;
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helpers._fixHeightWithCss($firstTdFootChild, tableProps);
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$tfoot.appendTo($fixedColumn)
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.find('tr')
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.append($firstTdFootChild.clone());
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// Set (view width) of $tfoot div to width of table (this accounts for footers with a colspan)
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footwidth = $tfoot.find('table').innerWidth();
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$tfoot.css({
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'top': settings.scrollbarOffset,
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'width': footwidth
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});
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}
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},
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/*
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* return void
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*/
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_setupTableFooter: function ($obj, obj, tableProps) {
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var $self = $obj,
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$wrapper = $self.closest('.fht-table-wrapper'),
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$tfoot = $self.find('tfoot'),
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$divFoot = $wrapper.find('div.fht-tfoot');
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if (!$divFoot.length) {
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if (settings.fixedColumns > 0) {
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$divFoot = $('<div class="fht-tfoot"><table class="fht-table"></table></div>').appendTo($wrapper.find('.fht-fixed-body'));
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} else {
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$divFoot = $('<div class="fht-tfoot"><table class="fht-table"></table></div>').appendTo($wrapper);
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}
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}
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$divFoot.find('table.fht-table').addClass(settings.originalTable.attr('class'));
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switch (true) {
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case !$tfoot.length && settings.cloneHeadToFoot == true && settings.footer == true:
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var $divHead = $wrapper.find('div.fht-thead');
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$divFoot.empty();
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$divHead.find('table')
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.clone()
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.appendTo($divFoot);
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break;
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case $tfoot.length && settings.cloneHeadToFoot == false && settings.footer == true:
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$divFoot.find('table')
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.append($tfoot)
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.css({
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'margin-top': -tableProps.border
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});
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helpers._setupClone($divFoot, tableProps.tfoot);
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break;
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}
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},
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/*
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* return object
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* Widths of each thead cell and tbody cell for the first rows.
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* Used in fixing widths for the fixed header and optional footer.
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*/
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_getTableProps: function($obj) {
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var tableProp = {
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thead: {},
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tbody: {},
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tfoot: {},
|
|
border: 0
|
|
},
|
|
borderCollapse = 1;
|
|
|
|
if (settings.borderCollapse == true) {
|
|
borderCollapse = 2;
|
|
}
|
|
|
|
tableProp.border = ($obj.find('th:first-child').outerWidth() - $obj.find('th:first-child').innerWidth()) / borderCollapse;
|
|
|
|
$obj.find('thead tr:first-child > *').each(function(index) {
|
|
tableProp.thead[index] = $(this).width() + tableProp.border;
|
|
});
|
|
|
|
$obj.find('tfoot tr:first-child > *').each(function(index) {
|
|
tableProp.tfoot[index] = $(this).width() + tableProp.border;
|
|
});
|
|
|
|
$obj.find('tbody tr:first-child > *').each(function(index) {
|
|
tableProp.tbody[index] = $(this).width() + tableProp.border;
|
|
});
|
|
|
|
return tableProp;
|
|
},
|
|
|
|
/*
|
|
* return void
|
|
* Fix widths of each cell in the first row of obj.
|
|
*/
|
|
_setupClone: function($obj, cellArray) {
|
|
var $self = $obj,
|
|
selector = ($self.find('thead').length) ?
|
|
'thead tr:first-child > *' :
|
|
($self.find('tfoot').length) ?
|
|
'tfoot tr:first-child > *' :
|
|
'tbody tr:first-child > *',
|
|
$cell;
|
|
|
|
$self.find(selector).each(function(index) {
|
|
$cell = ($(this).find('div.fht-cell').length) ? $(this).find('div.fht-cell') : $('<div class="fht-cell"></div>').appendTo($(this));
|
|
|
|
$cell.css({
|
|
'width': parseInt(cellArray[index], 10)
|
|
});
|
|
|
|
/*
|
|
* Fixed Header and Footer should extend the full width
|
|
* to align with the scrollbar of the body
|
|
*/
|
|
if (!$(this).closest('.fht-tbody').length && $(this).is(':last-child') && !$(this).closest('.fht-fixed-column').length) {
|
|
var padding = Math.max((($(this).innerWidth() - $(this).width()) / 2), settings.scrollbarOffset);
|
|
$(this).css({
|
|
'padding-right': parseInt($(this).css('padding-right')) + padding + 'px'
|
|
});
|
|
}
|
|
});
|
|
},
|
|
|
|
/*
|
|
* return boolean
|
|
* Determine how the browser calculates fixed widths with padding for tables
|
|
* true if width = padding + width
|
|
* false if width = width
|
|
*/
|
|
_isPaddingIncludedWithWidth: function() {
|
|
var $obj = $('<table class="fht-table"><tr><td style="padding: 10px; font-size: 10px;">test</td></tr></table>'),
|
|
defaultHeight,
|
|
newHeight;
|
|
|
|
$obj.addClass(settings.originalTable.attr('class'));
|
|
$obj.appendTo('body');
|
|
|
|
defaultHeight = $obj.find('td').height();
|
|
|
|
$obj.find('td')
|
|
.css('height', $obj.find('tr').height());
|
|
|
|
newHeight = $obj.find('td').height();
|
|
$obj.remove();
|
|
|
|
if (defaultHeight != newHeight) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
},
|
|
|
|
/*
|
|
* return int
|
|
* get the width of the browsers scroll bar
|
|
*/
|
|
_getScrollbarWidth: function() {
|
|
var scrollbarWidth = 0;
|
|
|
|
if (!scrollbarWidth) {
|
|
if (/msie/.test(navigator.userAgent.toLowerCase())) {
|
|
var $textarea1 = $('<textarea cols="10" rows="2"></textarea>')
|
|
.css({ position: 'absolute', top: -1000, left: -1000 }).appendTo('body'),
|
|
$textarea2 = $('<textarea cols="10" rows="2" style="overflow: hidden;"></textarea>')
|
|
.css({ position: 'absolute', top: -1000, left: -1000 }).appendTo('body');
|
|
|
|
scrollbarWidth = $textarea1.width() - $textarea2.width() + 2; // + 2 for border offset
|
|
$textarea1.add($textarea2).remove();
|
|
} else {
|
|
var $div = $('<div />')
|
|
.css({ width: 100, height: 100, overflow: 'auto', position: 'absolute', top: -1000, left: -1000 })
|
|
.prependTo('body').append('<div />').find('div')
|
|
.css({ width: '100%', height: 200 });
|
|
|
|
scrollbarWidth = 100 - $div.width();
|
|
$div.parent().remove();
|
|
}
|
|
}
|
|
|
|
return scrollbarWidth;
|
|
}
|
|
|
|
};
|
|
|
|
|
|
// if a method as the given argument exists
|
|
if (methods[method]) {
|
|
|
|
// call the respective method
|
|
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
|
|
|
|
// if an object is given as method OR nothing is given as argument
|
|
} else if (typeof method === 'object' || !method) {
|
|
|
|
// call the initialization method
|
|
return methods.init.apply(this, arguments);
|
|
|
|
// otherwise
|
|
} else {
|
|
|
|
// trigger an error
|
|
$.error('Method "' + method + '" does not exist in fixedHeaderTable plugin!');
|
|
|
|
}
|
|
|
|
};
|
|
|
|
})(jQuery);
|