angular-ui-tree
Version:
An AngularJS UI component that can sort nested lists, provides drag & drop support and doesn't depend on jQuery
789 lines (671 loc) • 34.2 kB
JavaScript
(function () {
'use strict';
angular.module('ui.tree')
.directive('uiTreeNode', ['treeConfig', 'UiTreeHelper', '$window', '$document', '$timeout', '$q',
function (treeConfig, UiTreeHelper, $window, $document, $timeout, $q) {
return {
require: ['^uiTreeNodes', '^uiTree'],
restrict: 'A',
controller: 'TreeNodeController',
link: function (scope, element, attrs, controllersArr) {
var config = {},
hasTouch = 'ontouchstart' in window,
firstMoving,
dragInfo,
pos,
placeElm,
hiddenPlaceElm,
dragElm,
scrollContainerElm,
unhover,
treeScope = null,
elements, // As a parameter for callbacks
dragDelaying = true,
dragStarted = false,
dragTimer = null,
body = document.body,
html = document.documentElement,
document_height,
document_width,
dragStart,
tagName,
dragMove,
dragEnd,
dragStartEvent,
dragMoveEvent,
dragEndEvent,
dragCancelEvent,
dragDelay,
bindDragStartEvents,
bindDragMoveEvents,
unbindDragMoveEvents,
keydownHandler,
isHandleChild,
el,
isUiTreeRoot,
treeOfOrigin;
//Adding configured class to ui-tree-node.
angular.extend(config, treeConfig);
if (config.nodeClass) {
element.addClass(config.nodeClass);
}
//Call init function in nodeCtrl, sets parent node and sets up sub nodes.
scope.init(controllersArr);
scope.collapsed = !!UiTreeHelper.getNodeAttribute(scope, 'collapsed') || treeConfig.defaultCollapsed;
scope.expandOnHover = !!UiTreeHelper.getNodeAttribute(scope, 'expandOnHover');
scope.scrollContainer = UiTreeHelper.getNodeAttribute(scope, 'scrollContainer') || attrs.scrollContainer || null;
scope.sourceOnly = scope.nodropEnabled || scope.$treeScope.nodropEnabled;
scope.$watch(attrs.collapsed, function (val) {
if ((typeof val) == 'boolean') {
scope.collapsed = val;
}
});
//Watches to trigger behavior based on actions and settings.
scope.$watch('collapsed', function (val) {
UiTreeHelper.setNodeAttribute(scope, 'collapsed', val);
attrs.$set('collapsed', val);
});
scope.$watch(attrs.expandOnHover, function(val) {
if ((typeof val) === 'boolean' || (typeof val) === 'number') {
scope.expandOnHover = val;
}
});
scope.$watch('expandOnHover', function (val) {
UiTreeHelper.setNodeAttribute(scope, 'expandOnHover', val);
attrs.$set('expandOnHover', val);
});
attrs.$observe('scrollContainer', function(val) {
if ((typeof val) === 'string') {
scope.scrollContainer = val;
}
});
scope.$watch('scrollContainer', function(val) {
UiTreeHelper.setNodeAttribute(scope, 'scrollContainer', val);
attrs.$set('scrollContainer', val);
scrollContainerElm = document.querySelector(val);
});
scope.$on('angular-ui-tree:collapse-all', function () {
scope.collapsed = true;
});
scope.$on('angular-ui-tree:expand-all', function () {
scope.collapsed = false;
});
/**
* Called when the user has grabbed a node and started dragging it.
*
* @param {MouseEvent} e event that is triggered by DOM.
* @return undefined?
*/
dragStart = function (e) {
//Disable right click.
if (!hasTouch && (e.button === 2 || e.which === 3)) {
return;
}
//Event has already fired in other scope.
if (e.uiTreeDragging || (e.originalEvent && e.originalEvent.uiTreeDragging)) {
return;
}
//The node being dragged.
var eventElm = angular.element(e.target),
isHandleChild,
cloneElm,
eventElmTagName,
tagName,
eventObj,
tdElm,
hStyle,
isTreeNode,
isTreeNodeHandle;
//If the target element is a child element of a ui-tree-handle,
// use the containing handle element as target element.
isHandleChild = UiTreeHelper.treeNodeHandlerContainerOfElement(eventElm);
if (isHandleChild) {
eventElm = angular.element(isHandleChild);
}
cloneElm = element.clone();
isTreeNode = UiTreeHelper.elementIsTreeNode(eventElm);
isTreeNodeHandle = UiTreeHelper.elementIsTreeNodeHandle(eventElm);
//If we are not triggering mousedown on our uiTree or any of it's parts, return.
if (!isTreeNode && !isTreeNodeHandle) {
return;
}
//If we are not triggering mousedown on our uiTree or any of it's parts, return.
if (isTreeNode && UiTreeHelper.elementContainsTreeNodeHandler(eventElm)) {
return;
}
//Dragging not allowed on inputs or buttons.
eventElmTagName = eventElm.prop('tagName').toLowerCase();
if (eventElmTagName == 'input' ||
eventElmTagName == 'textarea' ||
eventElmTagName == 'button' ||
eventElmTagName == 'select') {
return;
}
//Check if it or it's parents has a 'data-nodrag' attribute
el = angular.element(e.target);
isUiTreeRoot = el[0].attributes['ui-tree'];
while (el && el[0] && el[0] !== element && !isUiTreeRoot) {
//Checking that I can access attributes.
if (el[0].attributes) {
isUiTreeRoot = el[0].attributes['ui-tree'];
}
//If the node mark as `nodrag`, DONOT drag it.
if (UiTreeHelper.nodrag(el)) {
return;
}
el = el.parent();
}
//If users beforeDrag calback returns falsey, do not initiate.
if (!scope.beforeDrag(scope)) {
return;
}
//Set property checked at start of function to prevent running logic again.
e.uiTreeDragging = true;
if (e.originalEvent) {
e.originalEvent.uiTreeDragging = true;
}
e.preventDefault();
//Get original event if TouchEvent.
eventObj = UiTreeHelper.eventObj(e);
//Set boolean used to specify beginning of move.
firstMoving = true;
//Setting drag info properties and methods in scope of node being moved.
dragInfo = UiTreeHelper.dragInfo(scope);
//Setting original tree to adjust horizontal behavior in drag move.
treeOfOrigin = dragInfo.source.$treeScope.$id;
//Determine tage name of element ui-tree-node is on.
tagName = element.prop('tagName');
if (tagName.toLowerCase() === 'tr') {
//Create a new table column as placeholder.
placeElm = angular.element($window.document.createElement(tagName));
//Create a column placeholder and set colspan to whole row length.
tdElm = angular.element($window.document.createElement('td'))
.addClass(config.placeholderClass)
.attr('colspan', element[0].children.length);
placeElm.append(tdElm);
} else {
//If not a table just duplicate element and add placeholder class.
placeElm = angular.element($window.document.createElement(tagName))
.addClass(config.placeholderClass);
}
//Create a hidden placeholder and add class from config.
hiddenPlaceElm = angular.element($window.document.createElement(tagName));
if (config.hiddenClass) {
hiddenPlaceElm.addClass(config.hiddenClass);
}
//Getting starting position of element being moved.
pos = UiTreeHelper.positionStarted(eventObj, element);
placeElm.css('height', element.prop('offsetHeight') + 'px');
//Creating drag element to represent node.
dragElm = angular.element($window.document.createElement(scope.$parentNodesScope.$element.prop('tagName')))
.addClass(scope.$parentNodesScope.$element.attr('class')).addClass(config.dragClass);
dragElm.css('width', UiTreeHelper.width(element) + 'px');
dragElm.css('z-index', 9999);
//Prevents cursor to change rapidly in Opera 12.16 and IE when dragging an element.
hStyle = (element[0].querySelector('.angular-ui-tree-handle') || element[0]).currentStyle;
if (hStyle) {
document.body.setAttribute('ui-tree-cursor', $document.find('body').css('cursor') || '');
$document.find('body').css({'cursor': hStyle.cursor + '!important'});
}
//If tree is sourceOnly (noDragDrop) don't show placeholder when moving about it.
if (scope.sourceOnly) {
placeElm.css('display', 'none');
}
//Insert placeholder.
element.after(placeElm);
element.after(hiddenPlaceElm);
if (dragInfo.isClone() && scope.sourceOnly) {
dragElm.append(cloneElm);
} else {
dragElm.append(element);
}
//Create drag element.
$document.find('body').append(dragElm);
//Set drag elements position on screen.
dragElm.css({
'left': eventObj.pageX - pos.offsetX + 'px',
'top': eventObj.pageY - pos.offsetY + 'px'
});
elements = {
placeholder: placeElm,
dragging: dragElm
};
//Create all drag/move bindings.
bindDragMoveEvents();
//Fire dragStart callback.
scope.$apply(function () {
scope.$treeScope.$callbacks.dragStart(dragInfo.eventArgs(elements, pos));
});
//Get bounds of document.
document_height = Math.max(body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight);
document_width = Math.max(body.scrollWidth, body.offsetWidth, html.clientWidth, html.scrollWidth, html.offsetWidth);
};
dragMove = function (e) {
var eventObj = UiTreeHelper.eventObj(e),
prev,
next,
leftElmPos,
topElmPos,
top_scroll,
bottom_scroll,
scrollContainerElmRect,
target,
targetX,
targetY,
displayElm,
targetNode,
targetElm,
isEmpty,
scrollDownBy,
scrollUpBy,
targetOffset,
targetBefore,
moveWithinTree,
targetBeforeBuffer,
targetHeight,
targetChildElm,
targetChildHeight,
isDropzone;
//If check ensures that drag element was created.
if (dragElm) {
e.preventDefault();
//Deselect anything (text, etc.) that was selected when move began.
if ($window.getSelection) {
$window.getSelection().removeAllRanges();
} else if ($window.document.selection) {
$window.document.selection.empty();
}
//Get top left positioning of element being moved.
leftElmPos = eventObj.pageX - pos.offsetX;
topElmPos = eventObj.pageY - pos.offsetY;
//dragElm can't leave the screen on the left.
if (leftElmPos < 0) {
leftElmPos = 0;
}
//dragElm can't leave the screen on the top.
if (topElmPos < 0) {
topElmPos = 0;
}
//dragElm can't leave the screen on the bottom.
if ((topElmPos + 10) > document_height) {
topElmPos = document_height - 10;
}
//dragElm can't leave the screen on the right.
if ((leftElmPos + 10) > document_width) {
leftElmPos = document_width - 10;
}
//Updating element being moved css.
dragElm.css({
'left': leftElmPos + 'px',
'top': topElmPos + 'px'
});
if (scrollContainerElm) {
//Getting position to top and bottom of container element.
scrollContainerElmRect = scrollContainerElm.getBoundingClientRect();
top_scroll = scrollContainerElm.scrollTop;
bottom_scroll = top_scroll + scrollContainerElm.clientHeight;
//To scroll down if cursor y-position is greater than the bottom position of the container vertical scroll
if (scrollContainerElmRect.bottom < eventObj.clientY && bottom_scroll < scrollContainerElm.scrollHeight) {
scrollDownBy = Math.min(scrollContainerElm.scrollHeight - bottom_scroll, 10);
scrollContainerElm.scrollTop += scrollDownBy;
}
//To scroll top if cursor y-position is less than the top position of the container vertical scroll
if (scrollContainerElmRect.top > eventObj.clientY && top_scroll > 0) {
scrollUpBy = Math.min(top_scroll, 10);
scrollContainerElm.scrollTop -= scrollUpBy;
}
} else {
//Getting position to top and bottom of page.
top_scroll = window.pageYOffset || $window.document.documentElement.scrollTop;
bottom_scroll = top_scroll + (window.innerHeight || $window.document.clientHeight || $window.document.clientHeight);
//To scroll down if cursor y-position is greater than the bottom position of the window vertical scroll
if (bottom_scroll < eventObj.pageY && bottom_scroll < document_height) {
scrollDownBy = Math.min(document_height - bottom_scroll, 10);
window.scrollBy(0, scrollDownBy);
}
//To scroll top if cursor y-position is less than the top position of the window vertical scroll
if (top_scroll > eventObj.pageY) {
scrollUpBy = Math.min(top_scroll, 10);
window.scrollBy(0, -scrollUpBy);
}
}
//Calling service to update position coordinates based on move.
UiTreeHelper.positionMoved(e, pos, firstMoving);
if (firstMoving) {
firstMoving = false;
return;
}
//Setting X point for elementFromPoint.
targetX = eventObj.pageX - ($window.pageXOffset ||
$window.document.body.scrollLeft ||
$window.document.documentElement.scrollLeft) -
($window.document.documentElement.clientLeft || 0);
targetY = eventObj.pageY - ($window.pageYOffset ||
$window.document.body.scrollTop ||
$window.document.documentElement.scrollTop) -
($window.document.documentElement.clientTop || 0);
//Select the drag target. Because IE does not support CSS 'pointer-events: none', it will always
// pick the drag element itself as the target. To prevent this, we hide the drag element while
// selecting the target.
if (angular.isFunction(dragElm.hide)) {
dragElm.hide();
} else {
displayElm = dragElm[0].style.display;
dragElm[0].style.display = 'none';
}
//When using elementFromPoint() inside an iframe, you have to call
// elementFromPoint() twice to make sure IE8 returns the correct value
//MDN: The elementFromPoint() method of the Document interface returns the topmost element at the specified coordinates.
$window.document.elementFromPoint(targetX, targetY);
//Set target element (element in specified x/y coordinates).
targetElm = angular.element($window.document.elementFromPoint(targetX, targetY));
//If the target element is a child element of a ui-tree-handle,
// use the containing handle element as target element
isHandleChild = UiTreeHelper.treeNodeHandlerContainerOfElement(targetElm);
if (isHandleChild) {
targetElm = angular.element(isHandleChild);
}
if (angular.isFunction(dragElm.show)) {
dragElm.show();
} else {
dragElm[0].style.display = displayElm;
}
//Assigning scope to target you are moving draggable over.
if (UiTreeHelper.elementIsTree(targetElm)) {
targetNode = targetElm.controller('uiTree').scope;
} else if (UiTreeHelper.elementIsTreeNodeHandle(targetElm)) {
targetNode = targetElm.controller('uiTreeHandle').scope;
} else if (UiTreeHelper.elementIsTreeNode(targetElm)) {
targetNode = targetElm.controller('uiTreeNode').scope;
} else if (UiTreeHelper.elementIsTreeNodes(targetElm)) {
targetNode = targetElm.controller('uiTreeNodes').scope;
} else if (UiTreeHelper.elementIsPlaceholder(targetElm)) {
targetNode = targetElm.controller('uiTreeNodes').scope;
} else if (UiTreeHelper.elementIsDropzone(targetElm)) {
targetNode = targetElm.controller('uiTree').scope;
isDropzone = true;
} else if (targetElm.controller('uiTreeNode')) {
//Is a child element of a node.
targetNode = targetElm.controller('uiTreeNode').scope;
}
moveWithinTree = (targetNode && targetNode.$treeScope && targetNode.$treeScope.$id && targetNode.$treeScope.$id === treeOfOrigin);
/* (jcarter) Notes to developers:
* pos.dirAx is either 0 or 1
* 1 means horizontal movement is happening
* 0 means vertical movement is happening
*/
// Move nodes up and down in nesting level.
if (moveWithinTree && pos.dirAx) {
// increase horizontal level if previous sibling exists and is not collapsed
// example 1.1.1 becomes 1.2
if (pos.distX > 0) {
prev = dragInfo.prev();
if (prev && !prev.collapsed
&& prev.accept(scope, prev.childNodesCount())) {
prev.$childNodesScope.$element.append(placeElm);
dragInfo.moveTo(prev.$childNodesScope, prev.childNodes(), prev.childNodesCount());
}
}
// decrease horizontal level
// example 1.2 become 1.1.1
if (pos.distX < 0) {
// we can't decrease a level if an item preceeds the current one
next = dragInfo.next();
if (!next) {
target = dragInfo.parentNode(); // As a sibling of it's parent node
if (target
&& target.$parentNodesScope.accept(scope, target.index() + 1)) {
target.$element.after(placeElm);
dragInfo.moveTo(target.$parentNodesScope, target.siblings(), target.index() + 1);
}
}
}
} else { //Either in origin tree and moving horizontally OR you are moving within a new tree.
//Check it's new position.
isEmpty = false;
//Exit if target is not a uiTree or child of one.
if (!targetNode) {
return;
}
//Show the placeholder if it was hidden for nodrop-enabled and this is a new tree
if (targetNode.$treeScope && !targetNode.$parent.nodropEnabled && !targetNode.$treeScope.nodropEnabled) {
placeElm.css('display', '');
}
//Set whether target tree is empty or not.
if (targetNode.$type === 'uiTree' && targetNode.dragEnabled) {
isEmpty = targetNode.isEmpty();
}
//If target is a handle set new target to handle's node.
if (targetNode.$type === 'uiTreeHandle') {
targetNode = targetNode.$nodeScope;
}
//Check if it is a uiTreeNode or it's an empty tree or it's a dropzone.
if (targetNode.$type !== 'uiTreeNode' && !isEmpty && !isDropzone) {
// Allow node to return to its original position if no longer hovering over target
if (config.appendChildOnHover) {
next = dragInfo.next();
if (!next && unhover) {
target = dragInfo.parentNode();
target.$element.after(placeElm);
dragInfo.moveTo(target.$parentNodesScope, target.siblings(), target.index() + 1);
unhover = false;
}
}
return;
}
//If placeholder move from empty tree, reset it.
if (treeScope && placeElm.parent()[0] != treeScope.$element[0]) {
treeScope.resetEmptyElement();
treeScope.resetDropzoneElement();
treeScope = null;
}
//It's an empty tree
if (isEmpty) {
treeScope = targetNode;
if (targetNode.$nodesScope.accept(scope, 0)) {
dragInfo.moveTo(targetNode.$nodesScope, targetNode.$nodesScope.childNodes(), 0);
}
//It's a dropzone
} else if (isDropzone) {
treeScope = targetNode;
if (targetNode.$nodesScope.accept(scope, targetNode.$nodesScope.childNodes().length)) {
dragInfo.moveTo(targetNode.$nodesScope, targetNode.$nodesScope.childNodes(), targetNode.$nodesScope.childNodes().length);
}
//Not empty and drag enabled.
} else if (targetNode.dragEnabled()) {
//Setting/Resetting data for exanding on hover.
if (angular.isDefined(scope.expandTimeoutOn) && scope.expandTimeoutOn !== targetNode.id) {
$timeout.cancel(scope.expandTimeout);
delete scope.expandTimeout;
delete scope.expandTimeoutOn;
scope.$callbacks.expandTimeoutCancel();
}
//Determining if expansion is needed.
if (targetNode.collapsed) {
if (scope.expandOnHover === true || (angular.isNumber(scope.expandOnHover) && scope.expandOnHover === 0)) {
targetNode.collapsed = false;
targetNode.$treeScope.$callbacks.toggle(false, targetNode);
} else if (scope.expandOnHover !== false && angular.isNumber(scope.expandOnHover) && scope.expandOnHover > 0) {
//Triggering expansion.
if (angular.isUndefined(scope.expandTimeoutOn)) {
scope.expandTimeoutOn = targetNode.$id;
scope.$callbacks.expandTimeoutStart();
scope.expandTimeout = $timeout(function()
{
scope.$callbacks.expandTimeoutEnd();
targetNode.collapsed = false;
targetNode.$treeScope.$callbacks.toggle(false, targetNode);
}, scope.expandOnHover);
}
}
}
//Get the element of ui-tree-node
targetElm = targetNode.$element;
targetOffset = UiTreeHelper.offset(targetElm);
targetHeight = UiTreeHelper.height(targetElm);
targetChildElm = targetNode.$childNodesScope ? targetNode.$childNodesScope.$element : null;
targetChildHeight = targetChildElm ? UiTreeHelper.height(targetChildElm) : 0;
targetHeight -= targetChildHeight;
targetBeforeBuffer = config.appendChildOnHover ? targetHeight * 0.25 : UiTreeHelper.height(targetElm) / 2;
targetBefore = eventObj.pageY < (targetOffset.top + targetBeforeBuffer);
if (targetNode.$parentNodesScope.accept(scope, targetNode.index())) {
if (targetBefore) {
targetElm[0].parentNode.insertBefore(placeElm[0], targetElm[0]);
dragInfo.moveTo(targetNode.$parentNodesScope, targetNode.siblings(), targetNode.index());
} else {
// Try to append as a child if dragged upwards onto targetNode
if (config.appendChildOnHover && targetNode.accept(scope, targetNode.childNodesCount())) {
targetNode.$childNodesScope.$element.prepend(placeElm);
dragInfo.moveTo(targetNode.$childNodesScope, targetNode.childNodes(), 0);
unhover = true;
} else {
targetElm.after(placeElm);
dragInfo.moveTo(targetNode.$parentNodesScope, targetNode.siblings(), targetNode.index() + 1);
}
}
//We have to check if it can add the dragging node as a child.
} else if (!targetBefore && targetNode.accept(scope, targetNode.childNodesCount())) {
targetNode.$childNodesScope.$element.append(placeElm);
dragInfo.moveTo(targetNode.$childNodesScope, targetNode.childNodes(), targetNode.childNodesCount());
}
}
}
//Triggering dragMove callback.
scope.$apply(function () {
scope.$treeScope.$callbacks.dragMove(dragInfo.eventArgs(elements, pos));
});
}
};
dragEnd = function (e) {
var dragEventArgs = dragInfo.eventArgs(elements, pos);
e.preventDefault();
//TODO(jcarter): Is dragStart need to be unbound?
unbindDragMoveEvents();
//This cancel the collapse/expand login running.
$timeout.cancel(scope.expandTimeout);
scope.$treeScope.$apply(function () {
$q.when(scope.$treeScope.$callbacks.beforeDrop(dragEventArgs))
//Promise resolved (or callback didn't return false)
.then(function (allowDrop) {
if (allowDrop !== false && scope.$$allowNodeDrop) {
//Node drop accepted.
dragInfo.apply();
//Fire the dropped callback only if the move was successful.
scope.$treeScope.$callbacks.dropped(dragEventArgs);
} else {
//Drop canceled - revert the node to its original position.
bindDragStartEvents();
}
})
//Promise rejected - revert the node to its original position.
.catch(function () {
bindDragStartEvents();
})
.finally(function () {
//Replace placeholder with newly dropped element.
hiddenPlaceElm.replaceWith(scope.$element);
placeElm.remove();
//Remove drag element if still in DOM.
if (dragElm) {
dragElm.remove();
dragElm = null;
}
//Fire dragStope callback.
scope.$treeScope.$callbacks.dragStop(dragEventArgs);
scope.$$allowNodeDrop = false;
dragInfo = null;
//Restore cursor in Opera 12.16 and IE
var oldCur = document.body.getAttribute('ui-tree-cursor');
if (oldCur !== null) {
$document.find('body').css({'cursor': oldCur});
document.body.removeAttribute('ui-tree-cursor');
}
});
});
};
dragStartEvent = function (e) {
if (scope.dragEnabled()) {
dragStart(e);
}
};
dragMoveEvent = function (e) {
dragMove(e);
};
dragEndEvent = function (e) {
scope.$$allowNodeDrop = true;
dragEnd(e);
};
dragCancelEvent = function (e) {
dragEnd(e);
};
dragDelay = (function () {
var to;
return {
exec: function (fn, ms) {
if (!ms) {
ms = 0;
}
this.cancel();
to = $timeout(fn, ms);
},
cancel: function () {
$timeout.cancel(to);
}
};
})();
keydownHandler = function (e) {
if (e.keyCode === 27) {
dragEndEvent(e);
}
};
/**
* Binds the mouse/touch events to enable drag start for this node.
*/
//This is outside of bindDragMoveEvents because of the potential for a delay setting.
bindDragStartEvents = function () {
element.bind('touchstart mousedown', function (e) {
//Don't call drag delay if no delay was specified.
if (scope.dragDelay > 0) {
dragDelay.exec(function () {
dragStartEvent(e);
}, scope.dragDelay);
} else {
dragStartEvent(e);
}
});
element.bind('touchend touchcancel mouseup', function () {
if (scope.dragDelay > 0) {
dragDelay.cancel();
}
});
};
bindDragStartEvents();
/**
* Binds mouse/touch events that handle moving/dropping this dragged node
*/
bindDragMoveEvents = function () {
angular.element($document).bind('touchend', dragEndEvent);
angular.element($document).bind('touchcancel', dragEndEvent);
angular.element($document).bind('touchmove', dragMoveEvent);
angular.element($document).bind('mouseup', dragEndEvent);
angular.element($document).bind('mousemove', dragMoveEvent);
angular.element($document).bind('mouseleave', dragCancelEvent);
angular.element($document).bind('keydown', keydownHandler);
};
/**
* Unbinds mouse/touch events that handle moving/dropping this dragged node.
*/
unbindDragMoveEvents = function () {
angular.element($document).unbind('touchend', dragEndEvent);
angular.element($document).unbind('touchcancel', dragEndEvent);
angular.element($document).unbind('touchmove', dragMoveEvent);
angular.element($document).unbind('mouseup', dragEndEvent);
angular.element($document).unbind('mousemove', dragMoveEvent);
angular.element($document).unbind('mouseleave', dragCancelEvent);
angular.element($document).unbind('keydown', keydownHandler);
};
}
};
}
]);
})();