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add rtl support #63

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add rtl support #63

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a7e913f
feat: support rtl direction
Jun 3, 2017
b74cc53
update example
Jun 3, 2017
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7 changes: 7 additions & 0 deletions example/demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,13 @@ if (!$('.demo').length) return;
});
})();

(function distance() {
Flipsnap('#demo-rtl .flipsnap', {
distance: 230,
isRTL: true
});
})();

(function maxPoint() {
Flipsnap('#demo-maxPoint .flipsnap', {
distance: 160, // 80px * 2
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13 changes: 13 additions & 0 deletions example/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,19 @@ <h3>distance</h3>
</div>
</section>

<section class="demo" id="demo-rtl">
<h3>rtl</h3>
<div class="viewport" dir="rtl">
<div class="flipsnap flex">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
</div>
</div>
</section>

<section class="demo" id="demo-maxPoint">
<h3>maxPoint</h3>
<div class="viewport">
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11 changes: 11 additions & 0 deletions example/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,17 @@ h1, h2, h3 {
padding: 30px 0;
-webkit-transform: translateZ(0); }

.flex {
display: -webkit-box;
display: -webkit-flex;
display: flex;
}
.flex > * {
-webkit-box-flex: 1;
-webkit-flex: 1;
flex: 1;
}

.flipsnap {
width: 1195px;
/* 230px(item) * 5 + 45px(padding) */
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9 changes: 8 additions & 1 deletion flipsnap.js
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,7 @@ Flipsnap.prototype.init = function(element, opts) {
opts = opts || {};
self.distance = opts.distance;
self.maxPoint = opts.maxPoint;
self.isRTL = opts.isRTL || document.documentElement.getAttribute('dir') === 'rtl';
self.disableTouch = (opts.disableTouch === undefined) ? false : opts.disableTouch;
self.disable3d = (opts.disable3d === undefined) ? false : opts.disable3d;
self.transitionDuration = (opts.transitionDuration === undefined) ? '350ms' : opts.transitionDuration + 'ms';
Expand Down Expand Up @@ -204,7 +205,9 @@ Flipsnap.prototype.refresh = function() {
else {
self._distance = self.distance;
}

if (self.isRTL) {
self._distance = -self._distance;
}
// setting maxX
self._maxX = -self._distance * self._maxPoint;

Expand Down Expand Up @@ -404,6 +407,10 @@ Flipsnap.prototype._touchEnd = function(event, type) {
}

var newPoint = -self.currentX / self._distance;

if (self.isRTL) {
self.directionX = -self.directionX;
}
newPoint =
(self.directionX > 0) ? Math.ceil(newPoint) :
(self.directionX < 0) ? Math.floor(newPoint) :
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