Created
July 5, 2014 14:06
-
-
Save dsdeur/ca4fd50eebd928d990a3 to your computer and use it in GitHub Desktop.
Touch x-draggable
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var DDraggable = function(element, options) { | |
var base = this; | |
base.el = element; | |
var offset = null; | |
var temp_offset = 0; | |
var first = true; | |
var y = 0; | |
base.init = function() { | |
base.el.addEventListener('touchstart', touchStart, false); | |
}; | |
function touchStart(e) { | |
if (e.changedTouches.length > 1) { | |
return; | |
} | |
base.el.addEventListener('touchmove', dragMove, false); | |
base.el.addEventListener('touchend', dragEnd, false); | |
y = e.changedTouches[0].pageY; | |
offset = e.changedTouches[0].pageX - temp_offset; | |
} | |
function touchMove(e) { | |
console.log('touchmoveX', e.changedTouches[0].pageX); | |
console.log('touchmoveY', e.changedTouches[0].pageY); | |
if (Math.abs(e.changedTouches[0].pageY - y) > 5 && first) { | |
base.removeEventListener('touchmove', dragMove); | |
return; | |
} | |
first = false; | |
e.preventDefault(); | |
var left = e.changedTouches[0].pageX - offset; | |
transfromString = ('translate3d(' + left + 'px, 0, 0)'); | |
base.el.style.webkitTransform = transfromString; | |
base.el.style.MozTransform = transfromString; | |
base.el.style.msTransform = transfromString; | |
base.el.style.OTransform = transfromString; | |
base.el.style.transform = transfromString; | |
temp_offset = left; | |
} | |
function touchEnd(e) { | |
first = true; | |
offset = temp_offset; | |
base.el.removeEventListener('touchemove', dragMove, false); | |
base.el.removeEventListener('touchend', dragEnd, false); | |
} | |
init(); | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment