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Whitespace formatting and use strict
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,94 @@ | ||
| (function($) { | ||
| $.fn.pin = function(options) { | ||
| var scrollY = 0, elements = [], disabled = false; | ||
|
|
||
| options = options || {}; | ||
|
|
||
| var recalculateLimits = function() { | ||
| for (var i=0, len=elements.length; i<len; i++) { | ||
| var $this = elements[i], | ||
| data = {}; | ||
|
|
||
| if (options.minWidth && $(window).width() <= options.minWidth) { | ||
| if ($this.parent().is(".pin-wrapper")) { $this.unwrap(); } | ||
| $this.css({width: "", left: "", top: "", position: ""}); | ||
| disabled = true; | ||
| continue; | ||
| } else { | ||
| disabled = false; | ||
| } | ||
|
|
||
| var $full = options.containerSelector ? $this.closest(options.containerSelector) : $(document.body); | ||
| var offset = $full.offset(); | ||
| var parentOffset = $this.offsetParent().offset(); | ||
|
|
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| if (!$this.parent().is(".pin-wrapper")) { | ||
| $this.wrap("<div class='pin-wrapper'>"); | ||
| } | ||
|
|
||
| $this.data("pin", { | ||
| from: offset.top, | ||
| to: offset.top + $full.height() - $this.outerHeight(), | ||
| end: offset.top + $full.height(), | ||
| parentTop: parentOffset.top | ||
| (function ($) { | ||
| "use strict"; | ||
| $.fn.pin = function (options) { | ||
| var scrollY = 0, elements = [], disabled = false; | ||
|
|
||
| options = options || {}; | ||
|
|
||
| var recalculateLimits = function () { | ||
| for (var i=0, len=elements.length; i<len; i++) { | ||
| var $this = elements[i]; | ||
|
|
||
| if (options.minWidth && $(window).width() <= options.minWidth) { | ||
| if ($this.parent().is(".pin-wrapper")) { $this.unwrap(); } | ||
| $this.css({width: "", left: "", top: "", position: ""}); | ||
| disabled = true; | ||
| continue; | ||
| } else { | ||
| disabled = false; | ||
| } | ||
|
|
||
| var $full = options.containerSelector ? $this.closest(options.containerSelector) : $(document.body); | ||
| var offset = $full.offset(); | ||
| var parentOffset = $this.offsetParent().offset(); | ||
|
|
||
| if (!$this.parent().is(".pin-wrapper")) { | ||
| $this.wrap("<div class='pin-wrapper'>"); | ||
| } | ||
|
|
||
| $this.data("pin", { | ||
| from: offset.top, | ||
| to: offset.top + $full.height() - $this.outerHeight(), | ||
| end: offset.top + $full.height(), | ||
| parentTop: parentOffset.top | ||
| }); | ||
|
|
||
| $this.css({width: $this.outerWidth()}); | ||
| $this.parent().css("height", $this.outerHeight()); | ||
| } | ||
| }; | ||
|
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| var onScroll = function () { | ||
| if (disabled) { return; } | ||
|
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| scrollY = window.scrollY; | ||
|
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| for (var i=0, len=elements.length; i<len; i++) { | ||
| var $this = $(elements[i]), | ||
| data = $this.data("pin"), | ||
| from = data.from, | ||
| to = data.to; | ||
|
|
||
| if (from + $this.outerHeight() > data.end) { | ||
| $this.css('position', ''); | ||
| continue; | ||
| } | ||
|
|
||
| if (from < scrollY && to > scrollY) { | ||
| !($this.css("position") == "fixed") && $this.css({ | ||
| left: $this.offset().left, | ||
| top: 0 | ||
| }).css("position", "fixed"); | ||
| } else if (scrollY >= to) { | ||
| $this.css({ | ||
| left: "auto", | ||
| top: to - data.parentTop | ||
| }).css("position", "absolute"); | ||
| } else { | ||
| $this.css("position", ""); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| var update = function () { recalculateLimits(); onScroll(); }; | ||
|
|
||
| this.each(function () { | ||
| var $this = $(this), | ||
| data = $(this).data('pin') || {}; | ||
|
|
||
| if (data && data.update) { return; } | ||
| elements.push($this); | ||
| $("img", this).one("load", recalculateLimits); | ||
| data.update = update; | ||
| $(this).data('pin', data); | ||
| }); | ||
|
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||
| $this.css({width: $this.outerWidth()}); | ||
| $this.parent().css("height", $this.outerHeight()); | ||
| } | ||
| }; | ||
|
|
||
| var onScroll = function() { | ||
| if (disabled) { return; } | ||
|
|
||
| scrollY = window.scrollY; | ||
|
|
||
| for (var i=0, len=elements.length; i<len; i++) { | ||
| var $this = $(elements[i]), | ||
| data = $this.data("pin"), | ||
| from = data['from'], | ||
| to = data['to']; | ||
|
|
||
| if (from + $this.outerHeight() > data['end']) { | ||
| $this.css('position', ''); | ||
| continue; | ||
| } | ||
|
|
||
| if (from < scrollY && to > scrollY) { | ||
| !($this.css("position") == "fixed") && $this.css({ | ||
| left: $this.offset().left, | ||
| top: 0, | ||
| }).css("position", "fixed"); | ||
| } else if (scrollY >= to) { | ||
| $this.css({ | ||
| left: "auto", | ||
| top: to - data['parentTop'] | ||
| }).css("position", "absolute"); | ||
| } else { | ||
| $this.css("position", ""); | ||
| } | ||
| } | ||
| }; | ||
|
|
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| var update = function() { recalculateLimits(); onScroll(); }; | ||
|
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| this.each(function() { | ||
| var $this = $(this), | ||
| data = $(this).data('pin') || {}; | ||
|
|
||
| if (data && data['update']) { return; } | ||
| elements.push($this); | ||
| $("img", this).one("load", recalculateLimits); | ||
| data['update'] = update; | ||
| $(this).data('pin', data); | ||
| }); | ||
|
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||
| $(window).scroll(onScroll); | ||
| $(window).resize(function() { recalculateLimits(); }); | ||
| recalculateLimits(); | ||
| $(window).scroll(onScroll); | ||
| $(window).resize(function () { recalculateLimits(); }); | ||
| recalculateLimits(); | ||
|
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| $(window).load(update); | ||
| $(window).load(update); | ||
|
|
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| return this; | ||
| }; | ||
| return this; | ||
| }; | ||
| })(jQuery); |