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foundation.topbar.js
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;(
function
(
$
,
window
,
document
,
undefined
)
{
'use strict'
;
Foundation
.
libs
.
topbar
=
{
name
:
'topbar'
,
version
:
'5.0.1'
,
settings
:
{
index
:
0
,
sticky_class
:
'sticky'
,
custom_back_text
:
true
,
back_text
:
'Back'
,
is_hover
:
true
,
mobile_show_parent_link
:
false
,
scrolltop
:
true
// jump to top when sticky nav menu toggle is clicked
},
init
:
function
(
section
,
method
,
options
)
{
Foundation
.
inherit
(
this
,
'addCustomRule register_media throttle'
);
var
self
=
this
;
self
.
register_media
(
'topbar'
,
'foundation-mq-topbar'
);
this
.
bindings
(
method
,
options
);
$
(
'[data-topbar]'
,
this
.
scope
).
each
(
function
()
{
var
topbar
=
$
(
this
),
settings
=
topbar
.
data
(
'topbar-init'
),
section
=
$
(
'section'
,
this
),
titlebar
=
$
(
'> ul'
,
this
).
first
();
topbar
.
data
(
'index'
,
0
);
var
topbarContainer
=
topbar
.
parent
();
if
(
topbarContainer
.
hasClass
(
'fixed'
)
||
topbarContainer
.
hasClass
(
settings
.
sticky_class
))
{
self
.
settings
.
sticky_class
=
settings
.
sticky_class
;
self
.
settings
.
stick_topbar
=
topbar
;
topbar
.
data
(
'height'
,
topbarContainer
.
outerHeight
());
topbar
.
data
(
'stickyoffset'
,
topbarContainer
.
offset
().
top
);
}
else
{
topbar
.
data
(
'height'
,
topbar
.
outerHeight
());
}
if
(
!
settings
.
assembled
)
self
.
assemble
(
topbar
);
if
(
settings
.
is_hover
)
{
$
(
'.has-dropdown'
,
topbar
).
addClass
(
'not-click'
);
}
else
{
$
(
'.has-dropdown'
,
topbar
).
removeClass
(
'not-click'
);
}
// Pad body when sticky (scrolled) or fixed.
self
.
addCustomRule
(
'.f-topbar-fixed { padding-top: '
+
topbar
.
data
(
'height'
)
+
'px }'
);
if
(
topbarContainer
.
hasClass
(
'fixed'
))
{
$
(
'body'
).
addClass
(
'f-topbar-fixed'
);
}
});
},
toggle
:
function
(
toggleEl
)
{
var
self
=
this
;
if
(
toggleEl
)
{
var
topbar
=
$
(
toggleEl
).
closest
(
'[data-topbar]'
);
}
else
{
var
topbar
=
$
(
'[data-topbar]'
);
}
var
settings
=
topbar
.
data
(
'topbar-init'
);
var
section
=
$
(
'section, .section'
,
topbar
);
if
(
self
.
breakpoint
())
{
if
(
!
self
.
rtl
)
{
section
.
css
({
left
:
'0%'
});
$
(
'>.name'
,
section
).
css
({
left
:
'100%'
});
}
else
{
section
.
css
({
right
:
'0%'
});
$
(
'>.name'
,
section
).
css
({
right
:
'100%'
});
}
$
(
'li.moved'
,
section
).
removeClass
(
'moved'
);
topbar
.
data
(
'index'
,
0
);
topbar
.
toggleClass
(
'expanded'
)
.
css
(
'height'
,
''
);
}
if
(
settings
.
scrolltop
)
{
if
(
!
topbar
.
hasClass
(
'expanded'
))
{
if
(
topbar
.
hasClass
(
'fixed'
))
{
topbar
.
parent
().
addClass
(
'fixed'
);
topbar
.
removeClass
(
'fixed'
);
$
(
'body'
).
addClass
(
'f-topbar-fixed'
);
}
}
else
if
(
topbar
.
parent
().
hasClass
(
'fixed'
))
{
if
(
settings
.
scrolltop
)
{
topbar
.
parent
().
removeClass
(
'fixed'
);
topbar
.
addClass
(
'fixed'
);
$
(
'body'
).
removeClass
(
'f-topbar-fixed'
);
window
.
scrollTo
(
0
,
0
);
}
else
{
topbar
.
parent
().
removeClass
(
'expanded'
);
}
}
}
else
{
if
(
topbar
.
parent
().
hasClass
(
self
.
settings
.
sticky_class
))
{
topbar
.
parent
().
addClass
(
'fixed'
);
}
if
(
topbar
.
parent
().
hasClass
(
'fixed'
))
{
if
(
!
topbar
.
hasClass
(
'expanded'
))
{
topbar
.
removeClass
(
'fixed'
);
topbar
.
parent
().
removeClass
(
'expanded'
);
self
.
update_sticky_positioning
();
}
else
{
topbar
.
addClass
(
'fixed'
);
topbar
.
parent
().
addClass
(
'expanded'
);
}
}
}
},
timer
:
null
,
events
:
function
(
bar
)
{
var
self
=
this
;
$
(
this
.
scope
)
.
off
(
'.topbar'
)
.
on
(
'click.fndtn.topbar'
,
'[data-topbar] .toggle-topbar'
,
function
(
e
)
{
e
.
preventDefault
();
self
.
toggle
(
this
);
})
.
on
(
'click.fndtn.topbar'
,
'[data-topbar] li.has-dropdown'
,
function
(
e
)
{
var
li
=
$
(
this
),
target
=
$
(
e
.
target
),
topbar
=
li
.
closest
(
'[data-topbar]'
),
settings
=
topbar
.
data
(
'topbar-init'
);
if
(
target
.
data
(
'revealId'
))
{
self
.
toggle
();
return
;
}
if
(
self
.
breakpoint
())
return
;
if
(
settings
.
is_hover
&&
!
Modernizr
.
touch
)
return
;
e
.
stopImmediatePropagation
();
if
(
li
.
hasClass
(
'hover'
))
{
li
.
removeClass
(
'hover'
)
.
find
(
'li'
)
.
removeClass
(
'hover'
);
li
.
parents
(
'li.hover'
)
.
removeClass
(
'hover'
);
}
else
{
li
.
addClass
(
'hover'
);
if
(
target
[
0
].
nodeName
===
'A'
&&
target
.
parent
().
hasClass
(
'has-dropdown'
))
{
e
.
preventDefault
();
}
}
})
.
on
(
'click.fndtn.topbar'
,
'[data-topbar] .has-dropdown>a'
,
function
(
e
)
{
if
(
self
.
breakpoint
())
{
e
.
preventDefault
();
var
$this
=
$
(
this
),
topbar
=
$this
.
closest
(
'[data-topbar]'
),
section
=
topbar
.
find
(
'section, .section'
),
dropdownHeight
=
$this
.
next
(
'.dropdown'
).
outerHeight
(),
$selectedLi
=
$this
.
closest
(
'li'
);
topbar
.
data
(
'index'
,
topbar
.
data
(
'index'
)
+
1
);
$selectedLi
.
addClass
(
'moved'
);
if
(
!
self
.
rtl
)
{
section
.
css
({
left
:
-
(
100
*
topbar
.
data
(
'index'
))
+
'%'
});
section
.
find
(
'>.name'
).
css
({
left
:
100
*
topbar
.
data
(
'index'
)
+
'%'
});
}
else
{
section
.
css
({
right
:
-
(
100
*
topbar
.
data
(
'index'
))
+
'%'
});
section
.
find
(
'>.name'
).
css
({
right
:
100
*
topbar
.
data
(
'index'
)
+
'%'
});
}
topbar
.
css
(
'height'
,
$this
.
siblings
(
'ul'
).
outerHeight
(
true
)
+
topbar
.
data
(
'height'
));
}
});
$
(
window
).
off
(
'.topbar'
).
on
(
'resize.fndtn.topbar'
,
self
.
throttle
(
function
()
{
self
.
resize
.
call
(
self
);
},
50
)).
trigger
(
'resize'
);
$
(
'body'
).
off
(
'.topbar'
).
on
(
'click.fndtn.topbar touchstart.fndtn.topbar'
,
function
(
e
)
{
var
parent
=
$
(
e
.
target
).
closest
(
'li'
).
closest
(
'li.hover'
);
if
(
parent
.
length
>
0
)
{
return
;
}
$
(
'[data-topbar] li'
).
removeClass
(
'hover'
);
});
// Go up a level on Click
$
(
this
.
scope
).
on
(
'click.fndtn.topbar'
,
'[data-topbar] .has-dropdown .back'
,
function
(
e
)
{
e
.
preventDefault
();
var
$this
=
$
(
this
),
topbar
=
$this
.
closest
(
'[data-topbar]'
),
section
=
topbar
.
find
(
'section, .section'
),
settings
=
topbar
.
data
(
'topbar-init'
),
$movedLi
=
$this
.
closest
(
'li.moved'
),
$previousLevelUl
=
$movedLi
.
parent
();
topbar
.
data
(
'index'
,
topbar
.
data
(
'index'
)
-
1
);
if
(
!
self
.
rtl
)
{
section
.
css
({
left
:
-
(
100
*
topbar
.
data
(
'index'
))
+
'%'
});
section
.
find
(
'>.name'
).
css
({
left
:
100
*
topbar
.
data
(
'index'
)
+
'%'
});
}
else
{
section
.
css
({
right
:
-
(
100
*
topbar
.
data
(
'index'
))
+
'%'
});
section
.
find
(
'>.name'
).
css
({
right
:
100
*
topbar
.
data
(
'index'
)
+
'%'
});
}
if
(
topbar
.
data
(
'index'
)
===
0
)
{
topbar
.
css
(
'height'
,
''
);
}
else
{
topbar
.
css
(
'height'
,
$previousLevelUl
.
outerHeight
(
true
)
+
topbar
.
data
(
'height'
));
}
setTimeout
(
function
()
{
$movedLi
.
removeClass
(
'moved'
);
},
300
);
});
},
resize
:
function
()
{
var
self
=
this
;
$
(
'[data-topbar]'
).
each
(
function
()
{
var
topbar
=
$
(
this
),
settings
=
topbar
.
data
(
'topbar-init'
);
var
stickyContainer
=
topbar
.
parent
(
'.'
+
self
.
settings
.
sticky_class
);
var
stickyOffset
;
if
(
!
self
.
breakpoint
())
{
var
doToggle
=
topbar
.
hasClass
(
'expanded'
);
topbar
.
css
(
'height'
,
''
)
.
removeClass
(
'expanded'
)
.
find
(
'li'
)
.
removeClass
(
'hover'
);
if
(
doToggle
)
{
self
.
toggle
(
topbar
);
}
}
if
(
stickyContainer
.
length
>
0
)
{
if
(
stickyContainer
.
hasClass
(
'fixed'
))
{
// Remove the fixed to allow for correct calculation of the offset.
stickyContainer
.
removeClass
(
'fixed'
);
stickyOffset
=
stickyContainer
.
offset
().
top
;
if
(
$
(
document
.
body
).
hasClass
(
'f-topbar-fixed'
))
{
stickyOffset
-=
topbar
.
data
(
'height'
);
}
topbar
.
data
(
'stickyoffset'
,
stickyOffset
);
stickyContainer
.
addClass
(
'fixed'
);
}
else
{
stickyOffset
=
stickyContainer
.
offset
().
top
;
topbar
.
data
(
'stickyoffset'
,
stickyOffset
);
}
}
});
},
breakpoint
:
function
()
{
return
!
matchMedia
(
Foundation
.
media_queries
[
'topbar'
]).
matches
;
},
assemble
:
function
(
topbar
)
{
var
self
=
this
,
settings
=
topbar
.
data
(
'topbar-init'
),
section
=
$
(
'section'
,
topbar
),
titlebar
=
$
(
'> ul'
,
topbar
).
first
();
// Pull element out of the DOM for manipulation
section
.
detach
();
$
(
'.has-dropdown>a'
,
section
).
each
(
function
()
{
var
$link
=
$
(
this
),
$dropdown
=
$link
.
siblings
(
'.dropdown'
),
url
=
$link
.
attr
(
'href'
);
if
(
settings
.
mobile_show_parent_link
&&
url
&&
url
.
length
>
1
)
{
var
$titleLi
=
$
(
'<li class="title back js-generated"><h5><a href="#"></a></h5></li><li><a class="parent-link js-generated" href="'
+
url
+
'">'
+
$link
.
text
()
+
'</a></li>'
);
}
else
{
var
$titleLi
=
$
(
'<li class="title back js-generated"><h5><a href="#"></a></h5></li>'
);
}
// Copy link to subnav
if
(
settings
.
custom_back_text
==
true
)
{
$
(
'h5>a'
,
$titleLi
).
html
(
settings
.
back_text
);
}
else
{
$
(
'h5>a'
,
$titleLi
).
html
(
'« '
+
$link
.
html
());
}
$dropdown
.
prepend
(
$titleLi
);
});
// Put element back in the DOM
section
.
appendTo
(
topbar
);
// check for sticky
this
.
sticky
();
this
.
assembled
(
topbar
);
},
assembled
:
function
(
topbar
)
{
topbar
.
data
(
'topbar-init'
,
$
.
extend
({},
topbar
.
data
(
'topbar-init'
),
{
assembled
:
true
}));
},
height
:
function
(
ul
)
{
var
total
=
0
,
self
=
this
;
$
(
'> li'
,
ul
).
each
(
function
()
{
total
+=
$
(
this
).
outerHeight
(
true
);
});
return
total
;
},
sticky
:
function
()
{
var
$window
=
$
(
window
),
self
=
this
;
$
(
window
).
on
(
'scroll'
,
function
()
{
self
.
update_sticky_positioning
();
});
},
update_sticky_positioning
:
function
()
{
var
klass
=
'.'
+
this
.
settings
.
sticky_class
;
var
$window
=
$
(
window
);
if
(
$
(
klass
).
length
>
0
)
{
var
distance
=
this
.
settings
.
sticky_topbar
.
data
(
'stickyoffset'
);
if
(
!
$
(
klass
).
hasClass
(
'expanded'
))
{
if
(
$window
.
scrollTop
()
>
(
distance
))
{
if
(
!
$
(
klass
).
hasClass
(
'fixed'
))
{
$
(
klass
).
addClass
(
'fixed'
);
$
(
'body'
).
addClass
(
'f-topbar-fixed'
);
}
}
else
if
(
$window
.
scrollTop
()
<=
distance
)
{
if
(
$
(
klass
).
hasClass
(
'fixed'
))
{
$
(
klass
).
removeClass
(
'fixed'
);
$
(
'body'
).
removeClass
(
'f-topbar-fixed'
);
}
}
}
}
},
off
:
function
()
{
$
(
this
.
scope
).
off
(
'.fndtn.topbar'
);
$
(
window
).
off
(
'.fndtn.topbar'
);
},
reflow
:
function
()
{}
};
}(
jQuery
,
this
,
this
.
document
));
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