author | Pierre-Yves David <pierre-yves.david@octobus.net> |
Wed, 26 Sep 2018 13:15:40 +0200 | |
changeset 4145 | 08b3c370e8b3 |
parent 3376 | aad37ffd7d58 |
permissions | -rw-r--r-- |
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// Generated by CoffeeScript 1.9.2 |
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/** |
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@license Sticky-kit v1.1.2 | WTFPL | Leaf Corcoran 2015 | http://leafo.net |
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*/ |
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|
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(function() { |
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var $, win; |
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$ = this.jQuery || window.jQuery; |
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|
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win = $(window); |
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$.fn.stick_in_parent = function(opts) { |
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var doc, elm, enable_bottoming, fn, i, inner_scrolling, len, manual_spacer, offset_top, parent_selector, recalc_every, sticky_class; |
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if (opts == null) { |
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opts = {}; |
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} |
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sticky_class = opts.sticky_class, inner_scrolling = opts.inner_scrolling, recalc_every = opts.recalc_every, parent_selector = opts.parent, offset_top = opts.offset_top, manual_spacer = opts.spacer, enable_bottoming = opts.bottoming; |
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if (offset_top == null) { |
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offset_top = 0; |
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} |
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if (parent_selector == null) { |
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parent_selector = void 0; |
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} |
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if (inner_scrolling == null) { |
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inner_scrolling = true; |
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} |
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if (sticky_class == null) { |
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sticky_class = "is_stuck"; |
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} |
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doc = $(document); |
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if (enable_bottoming == null) { |
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enable_bottoming = true; |
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} |
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fn = function(elm, padding_bottom, parent_top, parent_height, top, height, el_float, detached) { |
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var bottomed, detach, fixed, last_pos, last_scroll_height, offset, parent, recalc, recalc_and_tick, recalc_counter, spacer, tick; |
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if (elm.data("sticky_kit")) { |
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return; |
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} |
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elm.data("sticky_kit", true); |
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last_scroll_height = doc.height(); |
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parent = elm.parent(); |
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if (parent_selector != null) { |
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parent = parent.closest(parent_selector); |
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} |
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if (!parent.length) { |
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throw "failed to find stick parent"; |
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} |
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fixed = false; |
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bottomed = false; |
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spacer = manual_spacer != null ? manual_spacer && elm.closest(manual_spacer) : $("<div />"); |
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if (spacer) { |
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spacer.css('position', elm.css('position')); |
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} |
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recalc = function() { |
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var border_top, padding_top, restore; |
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if (detached) { |
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return; |
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} |
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last_scroll_height = doc.height(); |
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border_top = parseInt(parent.css("border-top-width"), 10); |
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padding_top = parseInt(parent.css("padding-top"), 10); |
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padding_bottom = parseInt(parent.css("padding-bottom"), 10); |
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parent_top = parent.offset().top + border_top + padding_top; |
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parent_height = parent.height(); |
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if (fixed) { |
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fixed = false; |
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bottomed = false; |
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if (manual_spacer == null) { |
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elm.insertAfter(spacer); |
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spacer.detach(); |
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} |
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elm.css({ |
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position: "", |
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top: "", |
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width: "", |
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bottom: "" |
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}).removeClass(sticky_class); |
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restore = true; |
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} |
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top = elm.offset().top - (parseInt(elm.css("margin-top"), 10) || 0) - offset_top; |
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height = elm.outerHeight(true); |
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el_float = elm.css("float"); |
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if (spacer) { |
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spacer.css({ |
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width: elm.outerWidth(true), |
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height: height, |
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display: elm.css("display"), |
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"vertical-align": elm.css("vertical-align"), |
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"float": el_float |
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}); |
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} |
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if (restore) { |
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return tick(); |
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} |
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}; |
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recalc(); |
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if (height === parent_height) { |
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return; |
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} |
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last_pos = void 0; |
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offset = offset_top; |
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recalc_counter = recalc_every; |
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tick = function() { |
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var css, delta, recalced, scroll, will_bottom, win_height; |
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if (detached) { |
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return; |
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} |
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recalced = false; |
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if (recalc_counter != null) { |
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recalc_counter -= 1; |
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if (recalc_counter <= 0) { |
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recalc_counter = recalc_every; |
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recalc(); |
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recalced = true; |
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} |
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} |
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if (!recalced && doc.height() !== last_scroll_height) { |
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recalc(); |
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recalced = true; |
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} |
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scroll = win.scrollTop(); |
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if (last_pos != null) { |
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delta = scroll - last_pos; |
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} |
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|
127 |
last_pos = scroll; |
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parents:
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|
128 |
if (fixed) { |
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parents:
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|
129 |
if (enable_bottoming) { |
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parents:
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|
130 |
will_bottom = scroll + height + offset > parent_height + parent_top; |
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parents:
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|
131 |
if (bottomed && !will_bottom) { |
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parents:
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|
132 |
bottomed = false; |
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parents:
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|
133 |
elm.css({ |
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parents:
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|
134 |
position: "fixed", |
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parents:
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|
135 |
bottom: "", |
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parents:
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|
136 |
top: offset |
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parents:
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|
137 |
}).trigger("sticky_kit:unbottom"); |
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parents:
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|
138 |
} |
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parents:
diff
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|
139 |
} |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
140 |
if (scroll < top) { |
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parents:
diff
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|
141 |
fixed = false; |
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parents:
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|
142 |
offset = offset_top; |
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parents:
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|
143 |
if (manual_spacer == null) { |
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parents:
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|
144 |
if (el_float === "left" || el_float === "right") { |
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parents:
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|
145 |
elm.insertAfter(spacer); |
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parents:
diff
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|
146 |
} |
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parents:
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|
147 |
spacer.detach(); |
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parents:
diff
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|
148 |
} |
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parents:
diff
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|
149 |
css = { |
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parents:
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|
150 |
position: "", |
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parents:
diff
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|
151 |
width: "", |
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parents:
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|
152 |
top: "" |
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parents:
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|
153 |
}; |
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parents:
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|
154 |
elm.css(css).removeClass(sticky_class).trigger("sticky_kit:unstick"); |
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parents:
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|
155 |
} |
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parents:
diff
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|
156 |
if (inner_scrolling) { |
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parents:
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|
157 |
win_height = win.height(); |
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parents:
diff
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|
158 |
if (height + offset_top > win_height) { |
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parents:
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|
159 |
if (!bottomed) { |
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parents:
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|
160 |
offset -= delta; |
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parents:
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|
161 |
offset = Math.max(win_height - height, offset); |
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|
162 |
offset = Math.min(offset_top, offset); |
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parents:
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|
163 |
if (fixed) { |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
164 |
elm.css({ |
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parents:
diff
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|
165 |
top: offset + "px" |
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parents:
diff
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|
166 |
}); |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
167 |
} |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
168 |
} |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
169 |
} |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
170 |
} |
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parents:
diff
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|
171 |
} else { |
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parents:
diff
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|
172 |
if (scroll > top) { |
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parents:
diff
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|
173 |
fixed = true; |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
174 |
css = { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
175 |
position: "fixed", |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
176 |
top: offset |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
177 |
}; |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
178 |
css.width = elm.css("box-sizing") === "border-box" ? elm.outerWidth() + "px" : elm.width() + "px"; |
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parents:
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|
179 |
elm.css(css).addClass(sticky_class); |
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parents:
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|
180 |
if (manual_spacer == null) { |
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parents:
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|
181 |
elm.after(spacer); |
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parents:
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|
182 |
if (el_float === "left" || el_float === "right") { |
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parents:
diff
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|
183 |
spacer.append(elm); |
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parents:
diff
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|
184 |
} |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
185 |
} |
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parents:
diff
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|
186 |
elm.trigger("sticky_kit:stick"); |
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parents:
diff
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|
187 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
188 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
189 |
if (fixed && enable_bottoming) { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
190 |
if (will_bottom == null) { |
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parents:
diff
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|
191 |
will_bottom = scroll + height + offset > parent_height + parent_top; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
192 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
193 |
if (!bottomed && will_bottom) { |
aad37ffd7d58
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parents:
diff
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|
194 |
bottomed = true; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
195 |
if (parent.css("position") === "static") { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
196 |
parent.css({ |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
197 |
position: "relative" |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
198 |
}); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
199 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
200 |
return elm.css({ |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
201 |
position: "absolute", |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
202 |
bottom: padding_bottom, |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
203 |
top: "auto" |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
204 |
}).trigger("sticky_kit:bottom"); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
205 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
206 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
207 |
}; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
208 |
recalc_and_tick = function() { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
209 |
recalc(); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
210 |
return tick(); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
211 |
}; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
212 |
detach = function() { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
213 |
detached = true; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
214 |
win.off("touchmove", tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
215 |
win.off("scroll", tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
216 |
win.off("resize", recalc_and_tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
217 |
$(document.body).off("sticky_kit:recalc", recalc_and_tick); |
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parents:
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|
218 |
elm.off("sticky_kit:detach", detach); |
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|
219 |
elm.removeData("sticky_kit"); |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
220 |
elm.css({ |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
221 |
position: "", |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
222 |
bottom: "", |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
223 |
top: "", |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
224 |
width: "" |
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
225 |
}); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
226 |
parent.position("position", ""); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
227 |
if (fixed) { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
228 |
if (manual_spacer == null) { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
229 |
if (el_float === "left" || el_float === "right") { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
230 |
elm.insertAfter(spacer); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
231 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
232 |
spacer.remove(); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
233 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
234 |
return elm.removeClass(sticky_class); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
235 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
236 |
}; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
237 |
win.on("touchmove", tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
238 |
win.on("scroll", tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
239 |
win.on("resize", recalc_and_tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
240 |
$(document.body).on("sticky_kit:recalc", recalc_and_tick); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
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|
241 |
elm.on("sticky_kit:detach", detach); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
242 |
return setTimeout(tick, 0); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
243 |
}; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
244 |
for (i = 0, len = this.length; i < len; i++) { |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
245 |
elm = this[i]; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
246 |
fn($(elm)); |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
247 |
} |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
248 |
return this; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
249 |
}; |
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
250 |
|
aad37ffd7d58
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Boris Feld <boris.feld@octobus.net>
parents:
diff
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|
251 |
}).call(this); |