Last active
February 20, 2020 06:42
-
-
Save milkamil93/2e8eb5cfb167fc171f2537d655a3ed94 to your computer and use it in GitHub Desktop.
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
console.warn('УДАЛИ МЕНЯ!'); | |
;(function () { | |
var mySwipe = { | |
inWork: false, | |
xDown: null, | |
yDown: null, | |
xStart: null, | |
yStart: null, | |
event: null, | |
currentDirection: null, | |
init: function (selector, callback) { | |
if (typeof callback === 'function') this.move = callback; | |
document.querySelectorAll(selector).forEach(this.eventListener.bind(this)); | |
}, | |
eventListener: function (element) { | |
element.addEventListener('mousedown', this.handleTouchStart.bind(this), false); | |
element.addEventListener('touchstart', this.handleTouchStart.bind(this), false); | |
element.addEventListener('mouseup', this.handleTouchEnd.bind(this), false); | |
element.addEventListener('touchend', this.handleTouchEnd.bind(this), false); | |
element.addEventListener('mousemove', this.handleTouchMove.bind(this), false); | |
element.addEventListener('touchmove', this.handleTouchMove.bind(this), false); | |
}, | |
set: function (field, value) { | |
this[field] = value; | |
}, | |
get: function (field) { | |
return this[field]; | |
}, | |
getTouches: function (e) { | |
var result = { offsetX: 0, offsetY: 0 }; | |
var touch = e.touches ? e.touches[0] : e.originalEvent | |
? e.originalEvent.touches[0] : false; | |
if (touch) { | |
result.offsetX = touch.clientX; | |
result.offsetY = touch.clientY; | |
} else { | |
result.offsetX = e.clientX; | |
result.offsetY = e.clientY; | |
} | |
return result; | |
}, | |
handleTouchStart: function (e) { | |
this.inWork = true; | |
var touche = this.getTouches(e); | |
this.set('xDown', touche.offsetX); | |
this.set('yDown', touche.offsetY); | |
this.set('xStart', touche.offsetX); | |
this.set('yStart', touche.offsetY); | |
}, | |
handleTouchEnd: function () { | |
this.inWork = false; | |
}, | |
handleTouchMove: function (e) { | |
if (!this.inWork) return false; | |
var touche = this.getTouches(e); | |
var xUp = touche.offsetX; | |
var yUp = touche.offsetY; | |
this.move(e, xUp, yUp, xUp-this.get('xStart'), yUp-this.get('yStart')); | |
if (!this.get('xDown') || !this.get('yDown')) return false; | |
var xDiff = this.get('xDown') - xUp; | |
var yDiff = this.get('yDown') - yUp; | |
if (Math.abs(xDiff) > Math.abs(yDiff)) { | |
if (xDiff > 0) { | |
this.leftSwipe(); | |
} else { | |
this.rightSwipe(); | |
} | |
} else { | |
if (yDiff > 0) { | |
this.upSwipe(); | |
} else { | |
this.downSwipe(); | |
} | |
} | |
this.set('xDown', null); | |
this.set('yDown', null); | |
}, | |
preventDefault: function (e) { | |
if (e.type === 'touchmove') { | |
e.stopImmediatePropagation(); | |
} else { | |
e.preventDefault(); | |
} | |
}, | |
leftSwipe: function () { | |
this.set('currentDirection', 'left'); | |
}, | |
rightSwipe: function () { | |
this.set('currentDirection', 'right'); | |
}, | |
upSwipe: function () { | |
this.set('currentDirection', 'up'); | |
}, | |
downSwipe: function () { | |
this.set('currentDirection', 'down'); | |
}, | |
// действие по умолчанию, если не передан callback | |
move: function (e, currentX, currentY, diffX, diffY) { | |
this.preventDefault(e); | |
e.target.style.transition = 'none'; | |
e.target.style.transform = `translate(${diffX}px, ${diffY}px)`; | |
}, | |
}; | |
document.addEventListener('DOMContentLoaded', function () { | |
window.mySwipe = function (selector, callback) { | |
if (selector) { | |
mySwipe.init(selector, callback); | |
} | |
}; | |
}); | |
})(); | |
// пример | |
document.addEventListener('DOMContentLoaded', function () { | |
mySwipe('.btn-transparent-dark-gray', function (e, currentX, currentY, diffX, diffY) { | |
console.log(e, currentX, currentY, diffX, diffY, this); | |
}); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment