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Mobile Safari support #11

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Mobile Safari support #11

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22e037c
add class btf-dragon-dragging to allow custom styling of dragged element
tqc Aug 27, 2013
c437ea8
support mobile safari
tqc Aug 28, 2013
ec2e654
Start drag on move so that elements can be both draggable and clickable
tqc Aug 28, 2013
f0ec749
Turn strict mode back on
tqc Aug 29, 2013
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67 changes: 50 additions & 17 deletions dragon-drop.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,19 +39,25 @@ angular.module('btford.dragon-drop', []).
var dragValue,
dragKey,
dragOrigin,
dragOriginElement,
dragDuplicate = false,
dragAwaitingMove = false,
floaty,
offsetX,
offsetY;

var drag = function (ev) {
var x = ev.clientX - offsetX,
y = ev.clientY - offsetY;
if (!floaty) return;
ev.preventDefault();
var x = (ev.clientX || ev.originalEvent.touches[0].clientX) - offsetX,
y = (ev.clientY || ev.originalEvent.touches[0].clientY) - offsetY;

floaty.css('left', x + 'px');
floaty.css('top', y + 'px');
};



var remove = function (collection, index) {
if (collection instanceof Array) {
return collection.splice(index, 1);
Expand Down Expand Up @@ -94,7 +100,7 @@ angular.module('btford.dragon-drop', []).

var killFloaty = function () {
if (floaty) {
$document.unbind('mousemove', drag);
$document.unbind('touchmove mousemove', drag);
floaty.remove();
floaty = null;
}
Expand Down Expand Up @@ -126,12 +132,13 @@ angular.module('btford.dragon-drop', []).
return element;
};

$document.bind('mouseup', function (ev) {
$document.bind('touchend mouseup', function (ev) {
dragAwaitingMove = false;
if (!dragValue) {
return;
}

var dropArea = getElementBehindPoint(floaty, ev.clientX, ev.clientY);
var dropArea = getElementBehindPoint(floaty, (ev.clientX || ev.originalEvent.changedTouches[0].clientX), (ev.clientY || ev.originalEvent.changedTouches[0].clientY));

var accepts = function () {
return dropArea.attr('btf-dragon') &&
Expand All @@ -143,20 +150,27 @@ angular.module('btford.dragon-drop', []).
dropArea = dropArea.parent();
}

dragOriginElement.css("display", "");
dragOriginElement.removeClass("btf-dragon-origin");
if (dropArea.length > 0) {
var expression = dropArea.attr('btf-dragon');
var targetScope = dropArea.scope();
var match = expression.match(/^\s*(.+)\s+in\s+(.*?)\s*$/);

var targetList = targetScope.$eval(match[2]);
targetScope.$apply(function () {

$rootScope.$apply(function () {
if (!dragDuplicate) {
remove(dragOrigin, dragKey || dragOrigin.indexOf(dragValue));
}
add(targetList, dragValue, dragKey);
});
} else if (!dragDuplicate) {
// no dropArea here
// put item back to origin
$rootScope.$apply(function () {
add(dragOrigin, dragValue, dragKey);
remove(dragOrigin, dragKey || dragOrigin.indexOf(dragValue));
add(dragOrigin, dragValue, dragKey);
});
}

Expand Down Expand Up @@ -221,24 +235,28 @@ angular.module('btford.dragon-drop', []).

floaty.css('margin', '0px');
floaty.css('z-index', '99999');

floaty.addClass("btf-dragon-dragging");
var floatyScope = scope.$new();
floatyScope[valueIdentifier] = dragValue;
if (keyIdentifier) {
floatyScope[keyIdentifier] = dragKey;
}
$compile(floaty)(floatyScope);
documentBody.append(floaty);
$document.bind('mousemove', drag);
$document.bind('touchmove mousemove', drag);
disableSelect();
});
};

elt.bind('mousedown', function (ev) {
var startDrag = function (ev) {
if (dragValue) {
return;
}
elt.unbind('touchmove mousemove', startDrag);

if (!dragAwaitingMove) {
return;
}
// find the right parent
var originElement = angular.element(ev.target);
var originScope = originElement.scope();
Expand All @@ -250,6 +268,11 @@ angular.module('btford.dragon-drop', []).
}
}

while (!$(originElement).parent().is("[btf-dragon]")) {
originElement = originElement.parent();
}
dragOriginElement = originElement;

dragValue = originScope[valueIdentifier];
dragKey = originScope[keyIdentifier];
if (!dragValue) {
Expand All @@ -262,18 +285,28 @@ angular.module('btford.dragon-drop', []).
dragOrigin = scope.$eval(rhs);
if (duplicate) {
dragValue = angular.copy(dragValue);
} else {
scope.$apply(function () {
remove(dragOrigin, dragKey || dragOrigin.indexOf(dragValue));
});
}
}
dragDuplicate = duplicate;

offsetX = (ev.pageX - offset.left);
offsetY = (ev.pageY - offset.top);
offsetX = ((ev.pageX || ev.originalEvent.touches[0].pageX) - offset.left);
offsetY = ((ev.pageY || ev.originalEvent.touches[0].pageY) - offset.top);

spawnFloaty();
drag(ev);
if (!duplicate) {
// hide the dragged element - we can't actually remove it because that would stop the touchmove events
originElement.css("display", "none");
originElement.addClass("btf-dragon-origin");
}
};

elt.bind('touchstart mousedown', function (ev) {
if (dragValue) {
return;
}
dragAwaitingMove = true;
elt.bind('touchmove mousemove', startDrag);

});
};
}
Expand Down