Révision 13c3c9b4
Ajouté par Assos Assos il y a environ 9 ans
drupal7/sites/all/themes/mayo/js/mayo-columns.js | ||
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/** |
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* @file |
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* Equalize the column height in a specified group. |
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*/ |
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jQuery(document).ready(function() { |
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mayoEqualHeight(jQuery("#top-columns .column-block")); |
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mayoEqualHeight(jQuery("#bottom-columns .column-block")); |
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}); |
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function mayoEqualHeight(group) { |
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var tallest = 0; |
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group.each(function() { |
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var thisHeight = jQuery(this).height(); |
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if (thisHeight > tallest) { |
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tallest = thisHeight; |
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} |
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* jquery.matchHeight.js v0.5.2 |
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* http://brm.io/jquery-match-height/ |
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* License: MIT |
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* https://github.com/liabru/jquery-match-height |
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*/ |
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;(function($) { |
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/* |
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* internal |
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*/ |
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var _previousResizeWidth = -1, |
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_updateTimeout = -1; |
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|
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/* |
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* _rows |
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* utility function returns array of jQuery selections representing each row |
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* (as displayed after float wrapping applied by browser) |
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*/ |
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var _rows = function(elements) { |
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var tolerance = 1, |
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$elements = $(elements), |
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lastTop = null, |
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rows = []; |
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// group elements by their top position |
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$elements.each(function(){ |
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var $that = $(this), |
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top = $that.offset().top - _parse($that.css('margin-top')), |
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lastRow = rows.length > 0 ? rows[rows.length - 1] : null; |
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if (lastRow === null) { |
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// first item on the row, so just push it |
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rows.push($that); |
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} else { |
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// if the row top is the same, add to the row group |
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if (Math.floor(Math.abs(lastTop - top)) <= tolerance) { |
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rows[rows.length - 1] = lastRow.add($that); |
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} else { |
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// otherwise start a new row group |
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rows.push($that); |
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} |
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} |
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// keep track of the last row top |
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lastTop = top; |
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}); |
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return rows; |
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}; |
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/* |
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* _parse |
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* value parse utility function |
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*/ |
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var _parse = function(value) { |
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// parse value and convert NaN to 0 |
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return parseFloat(value) || 0; |
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}; |
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/* |
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* _parseOptions |
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* handle plugin options |
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*/ |
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var _parseOptions = function(options) { |
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var opts = { |
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byRow: true, |
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remove: false, |
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property: 'height' |
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}; |
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if (typeof options === 'object') { |
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return $.extend(opts, options); |
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} |
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if (typeof options === 'boolean') { |
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opts.byRow = options; |
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} else if (options === 'remove') { |
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opts.remove = true; |
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} |
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return opts; |
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}; |
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/* |
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* matchHeight |
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* plugin definition |
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*/ |
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var matchHeight = $.fn.matchHeight = function(options) { |
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var opts = _parseOptions(options); |
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// handle remove |
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if (opts.remove) { |
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var that = this; |
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// remove fixed height from all selected elements |
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this.css(opts.property, ''); |
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// remove selected elements from all groups |
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$.each(matchHeight._groups, function(key, group) { |
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group.elements = group.elements.not(that); |
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}); |
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// TODO: cleanup empty groups |
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return this; |
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} |
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if (this.length <= 1) |
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return this; |
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// keep track of this group so we can re-apply later on load and resize events |
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matchHeight._groups.push({ |
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elements: this, |
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options: opts |
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}); |
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// match each element's height to the tallest element in the selection |
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matchHeight._apply(this, opts); |
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return this; |
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}; |
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/* |
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* plugin global options |
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*/ |
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matchHeight._groups = []; |
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matchHeight._throttle = 80; |
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matchHeight._maintainScroll = false; |
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matchHeight._beforeUpdate = null; |
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matchHeight._afterUpdate = null; |
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/* |
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* matchHeight._apply |
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* apply matchHeight to given elements |
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*/ |
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matchHeight._apply = function(elements, options) { |
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var opts = _parseOptions(options), |
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$elements = $(elements), |
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rows = [$elements]; |
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// take note of scroll position |
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var scrollTop = $(window).scrollTop(), |
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htmlHeight = $('html').outerHeight(true); |
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// get hidden parents |
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var $hiddenParents = $elements.parents().filter(':hidden'); |
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// cache the original inline style |
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$hiddenParents.each(function() { |
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var $that = $(this); |
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$that.data('style-cache', $that.attr('style')); |
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}); |
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// temporarily must force hidden parents visible |
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$hiddenParents.css('display', 'block'); |
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// get rows if using byRow, otherwise assume one row |
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if (opts.byRow) { |
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// must first force an arbitrary equal height so floating elements break evenly |
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$elements.each(function() { |
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var $that = $(this), |
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display = $that.css('display') === 'inline-block' ? 'inline-block' : 'block'; |
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// cache the original inline style |
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$that.data('style-cache', $that.attr('style')); |
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$that.css({ |
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'display': display, |
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'padding-top': '0', |
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'padding-bottom': '0', |
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'margin-top': '0', |
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'margin-bottom': '0', |
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'border-top-width': '0', |
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'border-bottom-width': '0', |
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'height': '100px' |
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}); |
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}); |
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// get the array of rows (based on element top position) |
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rows = _rows($elements); |
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// revert original inline styles |
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$elements.each(function() { |
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var $that = $(this); |
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$that.attr('style', $that.data('style-cache') || ''); |
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}); |
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} |
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$.each(rows, function(key, row) { |
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var $row = $(row), |
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maxHeight = 0; |
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// skip apply to rows with only one item |
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if (opts.byRow && $row.length <= 1) { |
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$row.css(opts.property, ''); |
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return; |
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} |
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// iterate the row and find the max height |
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$row.each(function(){ |
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var $that = $(this), |
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display = $that.css('display') === 'inline-block' ? 'inline-block' : 'block'; |
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// ensure we get the correct actual height (and not a previously set height value) |
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var css = { 'display': display }; |
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css[opts.property] = ''; |
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$that.css(css); |
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// find the max height (including padding, but not margin) |
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if ($that.outerHeight(false) > maxHeight) |
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maxHeight = $that.outerHeight(false); |
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// revert display block |
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$that.css('display', ''); |
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}); |
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// iterate the row and apply the height to all elements |
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$row.each(function(){ |
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var $that = $(this), |
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verticalPadding = 0; |
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// handle padding and border correctly (required when not using border-box) |
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if ($that.css('box-sizing') !== 'border-box') { |
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verticalPadding += _parse($that.css('border-top-width')) + _parse($that.css('border-bottom-width')); |
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verticalPadding += _parse($that.css('padding-top')) + _parse($that.css('padding-bottom')); |
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} |
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// set the height (accounting for padding and border) |
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$that.css(opts.property, maxHeight - verticalPadding); |
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}); |
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}); |
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// revert hidden parents |
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$hiddenParents.each(function() { |
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var $that = $(this); |
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$that.attr('style', $that.data('style-cache') || null); |
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}); |
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// restore scroll position if enabled |
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if (matchHeight._maintainScroll) |
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$(window).scrollTop((scrollTop / htmlHeight) * $('html').outerHeight(true)); |
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return this; |
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}; |
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/* |
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* matchHeight._applyDataApi |
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* applies matchHeight to all elements with a data-match-height attribute |
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*/ |
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matchHeight._applyDataApi = function() { |
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var groups = {}; |
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// generate groups by their groupId set by elements using data-match-height |
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$('[data-match-height], [data-mh]').each(function() { |
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var $this = $(this), |
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groupId = $this.attr('data-match-height') || $this.attr('data-mh'); |
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if (groupId in groups) { |
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groups[groupId] = groups[groupId].add($this); |
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} else { |
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groups[groupId] = $this; |
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} |
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}); |
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// apply matchHeight to each group |
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$.each(groups, function() { |
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this.matchHeight(true); |
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}); |
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}; |
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/* |
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* matchHeight._update |
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* updates matchHeight on all current groups with their correct options |
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*/ |
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var _update = function(event) { |
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if (matchHeight._beforeUpdate) |
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matchHeight._beforeUpdate(event, matchHeight._groups); |
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$.each(matchHeight._groups, function() { |
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matchHeight._apply(this.elements, this.options); |
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}); |
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if (matchHeight._afterUpdate) |
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matchHeight._afterUpdate(event, matchHeight._groups); |
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}; |
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matchHeight._update = function(throttle, event) { |
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// prevent update if fired from a resize event |
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// where the viewport width hasn't actually changed |
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// fixes an event looping bug in IE8 |
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if (event && event.type === 'resize') { |
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var windowWidth = $(window).width(); |
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if (windowWidth === _previousResizeWidth) |
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return; |
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_previousResizeWidth = windowWidth; |
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} |
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// throttle updates |
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if (!throttle) { |
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_update(event); |
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} else if (_updateTimeout === -1) { |
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_updateTimeout = setTimeout(function() { |
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_update(event); |
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_updateTimeout = -1; |
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}, matchHeight._throttle); |
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} |
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}; |
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/* |
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* bind events |
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*/ |
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// apply on DOM ready event |
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$(matchHeight._applyDataApi); |
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// update heights on load and resize events |
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$(window).bind('load', function(event) { |
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matchHeight._update(false, event); |
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}); |
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// throttled update heights on resize events |
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$(window).bind('resize orientationchange', function(event) { |
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matchHeight._update(true, event); |
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}); |
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})(jQuery); |
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// Added on to trigger the script above and give equal heights to some Mayo columns. |
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(function ($) { |
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$(document).ready(function() { |
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$('#top-columns .column-block').matchHeight(); |
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$('#bottom-columns .column-block').matchHeight(); |
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}); |
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group.height(tallest); |
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} |
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})(jQuery); |
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