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drag and drop angularjs

231

ANGULARJS

<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<script src="Script.js"></script>
<body ng-app="mydrag">
<div draggable>drag me</div>
</body>
</html>

// put into script.js
(function(angular) {
'use strict';
angular.module('mydrag', []).
directive('draggable', function($document) {
return function(scope, element, attr) {
var startX = 0, startY = 0, x = 0, y = 0;
element.css({
position: 'relative',
border: '2px solid black',
backgroundColor: 'yellow',
cursor: 'pointer',
display: 'block',
width: '70px'
});
element.on('mousedown', function(event) {
event.preventDefault();
startX = event.screenX - x;
startY = event.screenY - y;
$document.on('mousemove', mousemove);
$document.on('mouseup', mouseup);
});

function mousemove(event) {
y = event.screenY - startY;
x = event.screenX - startX;
element.css({
top: y + 'px',
left: x + 'px'
});
}

function mouseup() {
$document.off('mousemove', mousemove);
$document.off('mouseup', mouseup);
}
};
});
})(window.angular);