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Same height for modules in Wright Framework
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/** | |
* jquery-match-height master by @liabru | |
* http://brm.io/jquery-match-height/ | |
* License: MIT | |
*/ | |
;(function(factory) { // eslint-disable-line no-extra-semi | |
'use strict'; | |
if (typeof define === 'function' && define.amd) { | |
// AMD | |
define(['jquery'], factory); | |
} else if (typeof module !== 'undefined' && module.exports) { | |
// CommonJS | |
module.exports = factory(require('jquery')); | |
} else { | |
// Global | |
factory(jQuery); | |
} | |
})(function($) { | |
/* | |
* internal | |
*/ | |
var _previousResizeWidth = -1, | |
_updateTimeout = -1; | |
/* | |
* _parse | |
* value parse utility function | |
*/ | |
var _parse = function(value) { | |
// parse value and convert NaN to 0 | |
return parseFloat(value) || 0; | |
}; | |
/* | |
* _rows | |
* utility function returns array of jQuery selections representing each row | |
* (as displayed after float wrapping applied by browser) | |
*/ | |
var _rows = function(elements) { | |
var tolerance = 1, | |
$elements = $(elements), | |
lastTop = null, | |
rows = []; | |
// group elements by their top position | |
$elements.each(function(){ | |
var $that = $(this), | |
top = $that.offset().top - _parse($that.css('margin-top')), | |
lastRow = rows.length > 0 ? rows[rows.length - 1] : null; | |
if (lastRow === null) { | |
// first item on the row, so just push it | |
rows.push($that); | |
} else { | |
// if the row top is the same, add to the row group | |
if (Math.floor(Math.abs(lastTop - top)) <= tolerance) { | |
rows[rows.length - 1] = lastRow.add($that); | |
} else { | |
// otherwise start a new row group | |
rows.push($that); | |
} | |
} | |
// keep track of the last row top | |
lastTop = top; | |
}); | |
return rows; | |
}; | |
/* | |
* _parseOptions | |
* handle plugin options | |
*/ | |
var _parseOptions = function(options) { | |
var opts = { | |
byRow: true, | |
property: 'height', | |
target: null, | |
remove: false | |
}; | |
if (typeof options === 'object') { | |
return $.extend(opts, options); | |
} | |
if (typeof options === 'boolean') { | |
opts.byRow = options; | |
} else if (options === 'remove') { | |
opts.remove = true; | |
} | |
return opts; | |
}; | |
/* | |
* matchHeight | |
* plugin definition | |
*/ | |
var matchHeight = $.fn.matchHeight = function(options) { | |
var opts = _parseOptions(options); | |
// handle remove | |
if (opts.remove) { | |
var that = this; | |
// remove fixed height from all selected elements | |
this.css(opts.property, ''); | |
// remove selected elements from all groups | |
$.each(matchHeight._groups, function(key, group) { | |
group.elements = group.elements.not(that); | |
}); | |
// TODO: cleanup empty groups | |
return this; | |
} | |
if (this.length <= 1 && !opts.target) { | |
return this; | |
} | |
// keep track of this group so we can re-apply later on load and resize events | |
matchHeight._groups.push({ | |
elements: this, | |
options: opts | |
}); | |
// match each element's height to the tallest element in the selection | |
matchHeight._apply(this, opts); | |
return this; | |
}; | |
/* | |
* plugin global options | |
*/ | |
matchHeight.version = 'master'; | |
matchHeight._groups = []; | |
matchHeight._throttle = 80; | |
matchHeight._maintainScroll = false; | |
matchHeight._beforeUpdate = null; | |
matchHeight._afterUpdate = null; | |
matchHeight._rows = _rows; | |
matchHeight._parse = _parse; | |
matchHeight._parseOptions = _parseOptions; | |
/* | |
* matchHeight._apply | |
* apply matchHeight to given elements | |
*/ | |
matchHeight._apply = function(elements, options) { | |
var opts = _parseOptions(options), | |
$elements = $(elements), | |
rows = [$elements]; | |
// take note of scroll position | |
var scrollTop = $(window).scrollTop(), | |
htmlHeight = $('html').outerHeight(true); | |
// get hidden parents | |
var $hiddenParents = $elements.parents().filter(':hidden'); | |
// cache the original inline style | |
$hiddenParents.each(function() { | |
var $that = $(this); | |
$that.data('style-cache', $that.attr('style')); | |
}); | |
// temporarily must force hidden parents visible | |
$hiddenParents.css('display', 'block'); | |
// get rows if using byRow, otherwise assume one row | |
if (opts.byRow && !opts.target) { | |
// must first force an arbitrary equal height so floating elements break evenly | |
$elements.each(function() { | |
var $that = $(this), | |
display = $that.css('display'); | |
// temporarily force a usable display value | |
if (display !== 'inline-block' && display !== 'flex' && display !== 'inline-flex') { | |
display = 'block'; | |
} | |
// cache the original inline style | |
$that.data('style-cache', $that.attr('style')); | |
$that.css({ | |
'display': display, | |
'padding-top': '0', | |
'padding-bottom': '0', | |
'margin-top': '0', | |
'margin-bottom': '0', | |
'border-top-width': '0', | |
'border-bottom-width': '0', | |
'height': '100px', | |
'overflow': 'hidden' | |
}); | |
}); | |
// get the array of rows (based on element top position) | |
rows = _rows($elements); | |
// revert original inline styles | |
$elements.each(function() { | |
var $that = $(this); | |
$that.attr('style', $that.data('style-cache') || ''); | |
}); | |
} | |
$.each(rows, function(key, row) { | |
var $row = $(row), | |
targetHeight = 0; | |
if (!opts.target) { | |
// skip apply to rows with only one item | |
if (opts.byRow && $row.length <= 1) { | |
$row.css(opts.property, ''); | |
return; | |
} | |
// iterate the row and find the max height | |
$row.each(function(){ | |
var $that = $(this), | |
style = $that.attr('style'), | |
display = $that.css('display'); | |
// temporarily force a usable display value | |
if (display !== 'inline-block' && display !== 'flex' && display !== 'inline-flex') { | |
display = 'block'; | |
} | |
// ensure we get the correct actual height (and not a previously set height value) | |
var css = { 'display': display }; | |
css[opts.property] = ''; | |
$that.css(css); | |
// find the max height (including padding, but not margin) | |
if ($that.outerHeight(false) > targetHeight) { | |
targetHeight = $that.outerHeight(false); | |
} | |
// revert styles | |
if (style) { | |
$that.attr('style', style); | |
} else { | |
$that.css('display', ''); | |
} | |
}); | |
} else { | |
// if target set, use the height of the target element | |
targetHeight = opts.target.outerHeight(false); | |
} | |
// iterate the row and apply the height to all elements | |
$row.each(function(){ | |
var $that = $(this), | |
verticalPadding = 0; | |
// don't apply to a target | |
if (opts.target && $that.is(opts.target)) { | |
return; | |
} | |
// handle padding and border correctly (required when not using border-box) | |
if ($that.css('box-sizing') !== 'border-box') { | |
verticalPadding += _parse($that.css('border-top-width')) + _parse($that.css('border-bottom-width')); | |
verticalPadding += _parse($that.css('padding-top')) + _parse($that.css('padding-bottom')); | |
} | |
// set the height (accounting for padding and border) | |
$that.css(opts.property, (targetHeight - verticalPadding) + 'px'); | |
}); | |
}); | |
// revert hidden parents | |
$hiddenParents.each(function() { | |
var $that = $(this); | |
$that.attr('style', $that.data('style-cache') || null); | |
}); | |
// restore scroll position if enabled | |
if (matchHeight._maintainScroll) { | |
$(window).scrollTop((scrollTop / htmlHeight) * $('html').outerHeight(true)); | |
} | |
return this; | |
}; | |
/* | |
* matchHeight._applyDataApi | |
* applies matchHeight to all elements with a data-match-height attribute | |
*/ | |
matchHeight._applyDataApi = function() { | |
var groups = {}; | |
// generate groups by their groupId set by elements using data-match-height | |
$('[data-match-height], [data-mh]').each(function() { | |
var $this = $(this), | |
groupId = $this.attr('data-mh') || $this.attr('data-match-height'); | |
if (groupId in groups) { | |
groups[groupId] = groups[groupId].add($this); | |
} else { | |
groups[groupId] = $this; | |
} | |
}); | |
// apply matchHeight to each group | |
$.each(groups, function() { | |
this.matchHeight(true); | |
}); | |
}; | |
/* | |
* matchHeight._update | |
* updates matchHeight on all current groups with their correct options | |
*/ | |
var _update = function(event) { | |
if (matchHeight._beforeUpdate) { | |
matchHeight._beforeUpdate(event, matchHeight._groups); | |
} | |
$.each(matchHeight._groups, function() { | |
matchHeight._apply(this.elements, this.options); | |
}); | |
if (matchHeight._afterUpdate) { | |
matchHeight._afterUpdate(event, matchHeight._groups); | |
} | |
}; | |
matchHeight._update = function(throttle, event) { | |
// prevent update if fired from a resize event | |
// where the viewport width hasn't actually changed | |
// fixes an event looping bug in IE8 | |
if (event && event.type === 'resize') { | |
var windowWidth = $(window).width(); | |
if (windowWidth === _previousResizeWidth) { | |
return; | |
} | |
_previousResizeWidth = windowWidth; | |
} | |
// throttle updates | |
if (!throttle) { | |
_update(event); | |
} else if (_updateTimeout === -1) { | |
_updateTimeout = setTimeout(function() { | |
_update(event); | |
_updateTimeout = -1; | |
}, matchHeight._throttle); | |
} | |
}; | |
/* | |
* bind events | |
*/ | |
// apply on DOM ready event | |
$(matchHeight._applyDataApi); | |
// update heights on load and resize events | |
$(window).bind('load', function(event) { | |
matchHeight._update(false, event); | |
}); | |
// throttled update heights on resize events | |
$(window).bind('resize orientationchange', function(event) { | |
matchHeight._update(true, event); | |
}); | |
}); | |
// Set the same height for modules in grid-top, grid-top2, grid-extra, grid-bottom and grid-bottom2 positions | |
// You need to set equal-height (empty space at the beginning) module class suffix on each module | |
jQuery(function() { | |
jQuery('#grid-top, #grid-top2, #grid-extra, #grid-bottom, #grid-bottom2').each(function() { | |
jQuery(this).find('.equal-height').matchHeight({ | |
property: 'min-height' | |
}); | |
}); | |
}); |
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