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Move scroll-buttons into a Vue component
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114 changes: 114 additions & 0 deletions
114
themes-default/slim/views/vue-components/scroll-buttons.mako
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Original file line number | Diff line number | Diff line change |
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<script type="text/x-template" id="scroll-buttons-template"> | ||
<div id="scroll-buttons-wrapper"> | ||
<div class="scroll-wrapper top" :class="{ show: showToTop }" @click.prevent="scrollTop"> | ||
<span class="scroll-top-inner"> | ||
<i class="glyphicon glyphicon-circle-arrow-up"></i> | ||
</span> | ||
</div> | ||
|
||
<div class="scroll-wrapper left" :class="{ show: showLeftRight }"> | ||
<span class="scroll-left-inner"> | ||
<i @click.prevent="scrollLeft" class="glyphicon glyphicon-circle-arrow-left"></i> | ||
</span> | ||
</div> | ||
|
||
<div class="scroll-wrapper right" :class="{ show: showLeftRight }"> | ||
<span class="scroll-right-inner"> | ||
<i @click.prevent="scrollRight" class="glyphicon glyphicon-circle-arrow-right"></i> | ||
</span> | ||
</div> | ||
</div> | ||
</script> | ||
<script> | ||
Vue.component('scroll-buttons', { | ||
template: '#scroll-buttons-template', | ||
data() { | ||
return { | ||
showToTop: false, | ||
showLeftRight: false | ||
}; | ||
}, | ||
methods: { | ||
scrollTop() { | ||
const { scrollTo } = this; | ||
scrollTo($('body')); | ||
}, | ||
scrollLeft() { | ||
$('div.horizontal-scroll').animate({ | ||
scrollLeft: '-=153' | ||
}, 1000, 'easeOutQuad'); | ||
}, | ||
scrollRight() { | ||
$('div.horizontal-scroll').animate({ | ||
scrollLeft: '+=153' | ||
}, 1000, 'easeOutQuad'); | ||
}, | ||
/** | ||
* Make an attempt to detect if there are currently scroll bars visible for divs with the horizontal-scroll class. | ||
* | ||
* If scroll bars are visible the fixed left and right buttons become visible on that page. | ||
*/ | ||
initHorizontalScroll() { | ||
const scrollDiv = $('div.horizontal-scroll').get(); | ||
if (scrollDiv.length === 0) { | ||
return; | ||
} | ||
const scrollbarVisible = scrollDiv.map(el => { | ||
return (el.scrollWidth > el.clientWidth); | ||
}).indexOf(true); | ||
if (scrollbarVisible >= 0) { | ||
this.showLeftRight = true; | ||
} else { | ||
this.showLeftRight = false; | ||
} | ||
}, | ||
scrollTo(dest) { | ||
$('html, body').animate({ scrollTop: $(dest).offset().top }, 500, 'linear'); | ||
} | ||
}, | ||
mounted() { | ||
const { initHorizontalScroll } = this; | ||
initHorizontalScroll(); | ||
$(window).on('resize', () => { | ||
initHorizontalScroll(); | ||
}); | ||
$(document).on('scroll', () => { | ||
if ($(window).scrollTop() > 100) { | ||
this.showToTop = true; | ||
} else { | ||
this.showToTop = false; | ||
} | ||
}); | ||
} | ||
}); | ||
</script> | ||
<style> | ||
.scroll-wrapper { | ||
position: fixed; | ||
opacity: 0; | ||
visibility: hidden; | ||
overflow: hidden; | ||
text-align: center; | ||
font-size: 20px; | ||
z-index: 999; | ||
background-color: #777; | ||
color: #eee; | ||
width: 50px; | ||
height: 48px; | ||
line-height: 48px; | ||
right: 30px; | ||
bottom: 30px; | ||
padding-top: 2px; | ||
border-radius: 10px; | ||
-webkit-transition: all 0.5s ease-in-out; | ||
-moz-transition: all 0.5s ease-in-out; | ||
-ms-transition: all 0.5s ease-in-out; | ||
-o-transition: all 0.5s ease-in-out; | ||
transition: all 0.5s ease-in-out; | ||
} | ||
</style> |
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