/**
* @license Angular UI Tree v2.22.6
* (c) 2010-2017. https://github.com/angular-ui-tree/angular-ui-tree
* License: MIT
*/
(function () {
'use strict';
angular.module('ui.tree', [])
.constant('treeConfig', {
treeClass: 'angular-ui-tree',
emptyTreeClass: 'angular-ui-tree-empty',
dropzoneClass: 'angular-ui-tree-dropzone',
hiddenClass: 'angular-ui-tree-hidden',
nodesClass: 'angular-ui-tree-nodes',
nodeClass: 'angular-ui-tree-node',
handleClass: 'angular-ui-tree-handle',
placeholderClass: 'angular-ui-tree-placeholder',
dragClass: 'angular-ui-tree-drag',
dragThreshold: 3,
defaultCollapsed: false,
appendChildOnHover: true
});
})();
(function () {
'use strict';
angular.module('ui.tree')
.controller('TreeHandleController', ['$scope', '$element',
function ($scope, $element) {
this.scope = $scope;
$scope.$element = $element;
$scope.$nodeScope = null;
$scope.$type = 'uiTreeHandle';
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.controller('TreeNodeController', ['$scope', '$element',
function ($scope, $element) {
this.scope = $scope;
$scope.$element = $element;
$scope.$modelValue = null; // Model value for node;
$scope.$parentNodeScope = null; // uiTreeNode Scope of parent node;
$scope.$childNodesScope = null; // uiTreeNodes Scope of child nodes.
$scope.$parentNodesScope = null; // uiTreeNodes Scope of parent nodes.
$scope.$treeScope = null; // uiTree scope
$scope.$handleScope = null; // it's handle scope
$scope.$type = 'uiTreeNode';
$scope.$$allowNodeDrop = false;
$scope.collapsed = false;
$scope.expandOnHover = false;
//Called by uiTreeNode Directive on load.
$scope.init = function (controllersArr) {
var treeNodesCtrl = controllersArr[0];
$scope.$treeScope = controllersArr[1] ? controllersArr[1].scope : null;
//Find the scope of it's parent node.
$scope.$parentNodeScope = treeNodesCtrl.scope.$nodeScope;
//modelValue for current node.
$scope.$modelValue = treeNodesCtrl.scope.$modelValue[$scope.$index];
$scope.$parentNodesScope = treeNodesCtrl.scope;
//Init sub nodes.
treeNodesCtrl.scope.initSubNode($scope);
$element.on('$destroy', function () {
//Destroy sub nodes.
treeNodesCtrl.scope.destroySubNode($scope);
});
};
//Return the index of child node in parent node (nodesScope).
$scope.index = function () {
return $scope.$parentNodesScope.$modelValue.indexOf($scope.$modelValue);
};
$scope.dragEnabled = function () {
return !($scope.$treeScope && !$scope.$treeScope.dragEnabled);
};
$scope.isSibling = function (targetNode) {
return $scope.$parentNodesScope == targetNode.$parentNodesScope;
};
$scope.isChild = function (targetNode) {
var nodes = $scope.childNodes();
return nodes && nodes.indexOf(targetNode) > -1;
};
//TODO(jcarter): This method is on uiTreeHelper already.
$scope.prev = function () {
var index = $scope.index();
if (index > 0) {
return $scope.siblings()[index - 1];
}
return null;
};
//Calls childNodes on parent.
$scope.siblings = function () {
return $scope.$parentNodesScope.childNodes();
};
$scope.childNodesCount = function () {
return $scope.childNodes() ? $scope.childNodes().length : 0;
};
$scope.hasChild = function () {
return $scope.childNodesCount() > 0;
};
$scope.childNodes = function () {
return $scope.$childNodesScope && $scope.$childNodesScope.$modelValue ?
$scope.$childNodesScope.childNodes() :
null;
};
$scope.accept = function (sourceNode, destIndex) {
return $scope.$childNodesScope &&
$scope.$childNodesScope.$modelValue &&
$scope.$childNodesScope.accept(sourceNode, destIndex);
};
$scope.remove = function () {
return $scope.$parentNodesScope.removeNode($scope);
};
$scope.toggle = function () {
$scope.collapsed = !$scope.collapsed;
$scope.$treeScope.$callbacks.toggle($scope.collapsed, $scope);
};
$scope.collapse = function () {
$scope.collapsed = true;
};
$scope.expand = function () {
$scope.collapsed = false;
};
$scope.depth = function () {
var parentNode = $scope.$parentNodeScope;
if (parentNode) {
return parentNode.depth() + 1;
}
return 1;
};
/**
* Returns the depth of the deepest subtree under this node
* @param scope a TreeNodesController scope object
* @returns Depth of all nodes *beneath* this node. If scope belongs to a leaf node, the
* result is 0 (it has no subtree).
*/
function countSubTreeDepth(scope) {
if (!scope) {
return 0;
}
var thisLevelDepth = 0,
childNodes = scope.childNodes(),
childNode,
childDepth,
i;
if (!childNodes || childNodes.length === 0) {
return 0;
}
for (i = childNodes.length - 1; i >= 0 ; i--) {
childNode = childNodes[i],
childDepth = 1 + countSubTreeDepth(childNode);
thisLevelDepth = Math.max(thisLevelDepth, childDepth);
}
return thisLevelDepth;
}
$scope.maxSubDepth = function () {
return $scope.$childNodesScope ? countSubTreeDepth($scope.$childNodesScope) : 0;
};
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.controller('TreeNodesController', ['$scope', '$element', '$timeout',
function ($scope, $element, $timeout) {
this.scope = $scope;
$scope.$element = $element;
$scope.$modelValue = null;
$scope.$nodeScope = null; // the scope of node which the nodes belongs to
$scope.$treeScope = null;
$scope.$type = 'uiTreeNodes';
$scope.$nodesMap = {};
$scope.nodropEnabled = false;
$scope.maxDepth = 0;
$scope.cloneEnabled = false;
$scope.initSubNode = function (subNode) {
if (!subNode.$modelValue) {
return null;
}
$scope.$nodesMap[subNode.$modelValue.$$hashKey] = subNode;
};
$scope.destroySubNode = function (subNode) {
if (!subNode.$modelValue) {
return null;
}
$scope.$nodesMap[subNode.$modelValue.$$hashKey] = null;
};
$scope.accept = function (sourceNode, destIndex) {
return $scope.$treeScope.$callbacks.accept(sourceNode, $scope, destIndex);
};
$scope.beforeDrag = function (sourceNode) {
return $scope.$treeScope.$callbacks.beforeDrag(sourceNode);
};
$scope.isParent = function (node) {
return node.$parentNodesScope == $scope;
};
$scope.hasChild = function () {
return $scope.$modelValue.length > 0;
};
//Called in apply method of UiTreeHelper.dragInfo.
$scope.removeNode = function (node) {
var index = $scope.$modelValue.indexOf(node.$modelValue);
if (index > -1) {
$timeout(function () {
$scope.$modelValue.splice(index, 1)[0];
});
return $scope.$treeScope.$callbacks.removed(node);
}
return null;
};
//Called in apply method of UiTreeHelper.dragInfo.
$scope.insertNode = function (index, nodeData) {
$timeout(function () {
$scope.$modelValue.splice(index, 0, nodeData);
});
};
$scope.childNodes = function () {
var i, nodes = [];
if ($scope.$modelValue) {
for (i = 0; i < $scope.$modelValue.length; i++) {
nodes.push($scope.$nodesMap[$scope.$modelValue[i].$$hashKey]);
}
}
return nodes;
};
$scope.depth = function () {
if ($scope.$nodeScope) {
return $scope.$nodeScope.depth();
}
return 0; // if it has no $nodeScope, it's root
};
// check if depth limit has reached
$scope.outOfDepth = function (sourceNode) {
var maxDepth = $scope.maxDepth || $scope.$treeScope.maxDepth;
if (maxDepth > 0) {
return $scope.depth() + sourceNode.maxSubDepth() + 1 > maxDepth;
}
return false;
};
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.controller('TreeController', ['$scope', '$element',
function ($scope, $element) {
this.scope = $scope;
$scope.$element = $element;
$scope.$nodesScope = null; // root nodes
$scope.$type = 'uiTree';
$scope.$emptyElm = null;
$scope.$dropzoneElm = null;
$scope.$callbacks = null;
$scope.dragEnabled = true;
$scope.emptyPlaceholderEnabled = true;
$scope.maxDepth = 0;
$scope.dragDelay = 0;
$scope.cloneEnabled = false;
$scope.nodropEnabled = false;
$scope.dropzoneEnabled = false;
// Check if it's a empty tree
$scope.isEmpty = function () {
return ($scope.$nodesScope && $scope.$nodesScope.$modelValue
&& $scope.$nodesScope.$modelValue.length === 0);
};
// add placeholder to empty tree
$scope.place = function (placeElm) {
$scope.$nodesScope.$element.append(placeElm);
$scope.$emptyElm.remove();
};
this.resetEmptyElement = function () {
if ((!$scope.$nodesScope.$modelValue || $scope.$nodesScope.$modelValue.length === 0) &&
$scope.emptyPlaceholderEnabled) {
$element.append($scope.$emptyElm);
} else {
$scope.$emptyElm.remove();
}
};
this.resetDropzoneElement = function () {
if ((!$scope.$nodesScope.$modelValue || $scope.$nodesScope.$modelValue.length !== 0) &&
$scope.dropzoneEnabled) {
$element.append($scope.$dropzoneElm);
} else {
$scope.$dropzoneElm.remove();
}
};
$scope.resetEmptyElement = this.resetEmptyElement;
$scope.resetDropzoneElement = this.resetDropzoneElement;
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.directive('uiTree', ['treeConfig', '$window',
function (treeConfig, $window) {
return {
restrict: 'A',
scope: true,
controller: 'TreeController',
link: function (scope, element, attrs, ctrl) {
var callbacks = {
accept: null,
beforeDrag: null
},
config = {},
tdElm,
$trElm,
emptyElmColspan;
//Adding configured class to uiTree.
angular.extend(config, treeConfig);
if (config.treeClass) {
element.addClass(config.treeClass);
}
//Determining if uiTree is on a table.
if (element.prop('tagName').toLowerCase() === 'table') {
scope.$emptyElm = angular.element($window.document.createElement('tr'));
$trElm = element.find('tr');
//If we can find a tr, then we can use its td children as the empty element colspan.
if ($trElm.length > 0) {
emptyElmColspan = angular.element($trElm).children().length;
} else {
//If not, by setting a huge colspan we make sure it takes full width.
//TODO(jcarter): Check for negative side effects.
emptyElmColspan = 1000000;
}
tdElm = angular.element($window.document.createElement('td'))
.attr('colspan', emptyElmColspan);
scope.$emptyElm.append(tdElm);
} else {
scope.$emptyElm = angular.element($window.document.createElement('div'));
scope.$dropzoneElm = angular.element($window.document.createElement('div'));
}
if (config.emptyTreeClass) {
scope.$emptyElm.addClass(config.emptyTreeClass);
}
if (config.dropzoneClass) {
scope.$dropzoneElm.addClass(config.dropzoneClass);
}
scope.$watch('$nodesScope.$modelValue.length', function (val) {
if (!angular.isNumber(val)) {
return;
}
ctrl.resetEmptyElement();
ctrl.resetDropzoneElement();
}, true);
scope.$watch(attrs.dragEnabled, function (val) {
if ((typeof val) == 'boolean') {
scope.dragEnabled = val;
}
});
scope.$watch(attrs.emptyPlaceholderEnabled, function (val) {
if ((typeof val) == 'boolean') {
scope.emptyPlaceholderEnabled = val;
ctrl.resetEmptyElement();
}
});
scope.$watch(attrs.nodropEnabled, function (val) {
if ((typeof val) == 'boolean') {
scope.nodropEnabled = val;
}
});
scope.$watch(attrs.dropzoneEnabled, function (val) {
if ((typeof val) == 'boolean') {
scope.dropzoneEnabled = val;
ctrl.resetDropzoneElement();
}
});
scope.$watch(attrs.cloneEnabled, function (val) {
if ((typeof val) == 'boolean') {
scope.cloneEnabled = val;
}
});
scope.$watch(attrs.maxDepth, function (val) {
if ((typeof val) == 'number') {
scope.maxDepth = val;
}
});
scope.$watch(attrs.dragDelay, function (val) {
if ((typeof val) == 'number') {
scope.dragDelay = val;
}
});
/**
* Callback checks if the destination node can accept the dragged node.
* By default, ui-tree will check that 'data-nodrop-enabled' is not set for the
* destination ui-tree-nodes, and that the 'max-depth' attribute will not be exceeded
* if it is set on the ui-tree or ui-tree-nodes.
* This callback can be overridden, but callers must manually enforce nodrop and max-depth
* themselves if they need those to be enforced.
* @param sourceNodeScope Scope of the ui-tree-node being dragged
* @param destNodesScope Scope of the ui-tree-nodes where the node is hovering
* @param destIndex Index in the destination nodes array where the source node will drop
* @returns {boolean} True if the node is permitted to be dropped here
*/
callbacks.accept = function (sourceNodeScope, destNodesScope, destIndex) {
return !(destNodesScope.nodropEnabled || destNodesScope.$treeScope.nodropEnabled || destNodesScope.outOfDepth(sourceNodeScope));
};
callbacks.beforeDrag = function (sourceNodeScope) {
return true;
};
callbacks.expandTimeoutStart = function()
{
};
callbacks.expandTimeoutCancel = function()
{
};
callbacks.expandTimeoutEnd = function()
{
};
callbacks.removed = function (node) {
};
/**
* Callback is fired when a node is successfully dropped in a new location
* @param event
*/
callbacks.dropped = function (event) {
};
/**
* Callback is fired each time the user starts dragging a node
* @param event
*/
callbacks.dragStart = function (event) {
};
/**
* Callback is fired each time a dragged node is moved with the mouse/touch.
* @param event
*/
callbacks.dragMove = function (event) {
};
/**
* Callback is fired when the tree exits drag mode. If the user dropped a node, the drop may have been
* accepted or reverted.
* @param event
*/
callbacks.dragStop = function (event) {
};
/**
* Callback is fired when a user drops a node (but prior to processing the drop action)
* beforeDrop can return a Promise, truthy, or falsy (returning nothing is falsy).
* If it returns falsy, or a resolve Promise, the node move is accepted
* If it returns truthy, or a rejected Promise, the node move is reverted
* @param event
* @returns {Boolean|Promise} Truthy (or rejected Promise) to cancel node move; falsy (or resolved promise)
*/
callbacks.beforeDrop = function (event) {
};
/**
* Callback is fired when a user toggles node (but after processing the toggle action)
* @param sourceNodeScope
* @param collapsed
*/
callbacks.toggle = function (collapsed, sourceNodeScope) {
};
scope.$watch(attrs.uiTree, function (newVal, oldVal) {
angular.forEach(newVal, function (value, key) {
if (callbacks[key]) {
if (typeof value === 'function') {
callbacks[key] = value;
}
}
});
scope.$callbacks = callbacks;
}, true);
}
};
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.directive('uiTreeHandle', ['treeConfig',
function (treeConfig) {
return {
require: '^uiTreeNode',
restrict: 'A',
scope: true,
controller: 'TreeHandleController',
link: function (scope, element, attrs, treeNodeCtrl) {
var config = {};
angular.extend(config, treeConfig);
if (config.handleClass) {
element.addClass(config.handleClass);
}
// connect with the tree node.
if (scope != treeNodeCtrl.scope) {
scope.$nodeScope = treeNodeCtrl.scope;
treeNodeCtrl.scope.$handleScope = scope;
}
}
};
}
]);
})();
(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);
};
}
};
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
.directive('uiTreeNodes', ['treeConfig', '$window',
function (treeConfig) {
return {
require: ['ngModel', '?^uiTreeNode', '^uiTree'],
restrict: 'A',
scope: true,
controller: 'TreeNodesController',
link: function (scope, element, attrs, controllersArr) {
var config = {},
ngModel = controllersArr[0],
treeNodeCtrl = controllersArr[1],
treeCtrl = controllersArr[2];
angular.extend(config, treeConfig);
if (config.nodesClass) {
element.addClass(config.nodesClass);
}
if (treeNodeCtrl) {
treeNodeCtrl.scope.$childNodesScope = scope;
scope.$nodeScope = treeNodeCtrl.scope;
} else {
// find the root nodes if there is no parent node and have a parent ui-tree
treeCtrl.scope.$nodesScope = scope;
}
scope.$treeScope = treeCtrl.scope;
if (ngModel) {
ngModel.$render = function () {
scope.$modelValue = ngModel.$modelValue;
};
}
scope.$watch(function () {
return attrs.maxDepth;
}, function (val) {
if ((typeof val) == 'number') {
scope.maxDepth = val;
}
});
scope.$watch(function () {
return attrs.nodropEnabled;
}, function (newVal) {
if ((typeof newVal) != 'undefined') {
scope.nodropEnabled = true;
}
}, true);
}
};
}
]);
})();
(function () {
'use strict';
angular.module('ui.tree')
/**
* @ngdoc service
* @name ui.tree.service:UiTreeHelper
* @requires ng.$document
* @requires ng.$window
*
* @description
* angular-ui-tree.
*/
.factory('UiTreeHelper', ['$document', '$window', 'treeConfig',
function ($document, $window, treeConfig) {
return {
/**
* A hashtable used to storage data of nodes
* @type {Object}
*/
nodesData: {},
setNodeAttribute: function (scope, attrName, val) {
if (!scope.$modelValue) {
return null;
}
var data = this.nodesData[scope.$modelValue.$$hashKey];
if (!data) {
data = {};
this.nodesData[scope.$modelValue.$$hashKey] = data;
}
data[attrName] = val;
},
getNodeAttribute: function (scope, attrName) {
if (!scope.$modelValue) {
return null;
}
var data = this.nodesData[scope.$modelValue.$$hashKey];
if (data) {
return data[attrName];
}
return null;
},
/**
* @ngdoc method
* @methodOf ui.tree.service:$nodrag
* @param {Object} targetElm angular element
* @return {Bool} check if the node can be dragged.
*/
nodrag: function (targetElm) {
if (typeof targetElm.attr('data-nodrag') != 'undefined') {
return targetElm.attr('data-nodrag') !== 'false';
}
return false;
},
/**
* Get the event object for touches.
*
* @param {MouseEvent|TouchEvent} e MouseEvent or TouchEvent that kicked off dragX method.
* @return {MouseEvent|TouchEvent} Object returned as original event object.
*/
eventObj: function (e) {
var obj = e;
if (e.targetTouches !== undefined) {
//Set obj equal to the first Touch object in the TouchList.
obj = e.targetTouches.item(0);
//Logic to set obj to original TouchEvent.
} else if (e.originalEvent !== undefined && e.originalEvent.targetTouches !== undefined) {
obj = e.originalEvent.targetTouches.item(0);
}
return obj;
},
/**
* Generate object used to store data about node being moved.
*
* {angular.$scope} node Scope of the node that is being moved.
*/
dragInfo: function (node) {
return {
source: node,
sourceInfo: {
cloneModel: node.$treeScope.cloneEnabled === true ? angular.copy(node.$modelValue) : undefined,
nodeScope: node,
index: node.index(),
nodesScope: node.$parentNodesScope
},
index: node.index(),
//Slice(0) just duplicates an array.
siblings: node.siblings().slice(0),
parent: node.$parentNodesScope,
//Reset parent to source parent.
resetParent: function() {
this.parent = node.$parentNodesScope;
},
//Move the node to a new position, determining where the node will be inserted to when dropped happens here.
moveTo: function (parent, siblings, index) {
this.parent = parent;
//Duplicate siblings array.
this.siblings = siblings.slice(0);
//If source node is in the target nodes
var i = this.siblings.indexOf(this.source);
if (i > -1) {
this.siblings.splice(i, 1);
if (this.source.index() < index) {
index--;
}
}
this.siblings.splice(index, 0, this.source);
this.index = index;
},
//Get parent nodes nodeScope.
parentNode: function () {
return this.parent.$nodeScope;
},
//Get previous sibling node.
prev: function () {
if (this.index > 0) {
return this.siblings[this.index - 1];
}
return null;
},
//Get next sibling node.
next: function () {
if (this.index < this.siblings.length - 1) {
return this.siblings[this.index + 1];
}
return null;
},
//Return what cloneEnabled is set to on uiTree.
isClone: function () {
return this.source.$treeScope.cloneEnabled === true;
},
//Returns a copy of node passed in.
clonedNode: function (node) {
return angular.copy(node);
},
//Returns true if parent or index have changed (move happened within any uiTree).
isDirty: function () {
return this.source.$parentNodesScope != this.parent ||
this.source.index() != this.index;
},
//Return whether node has a new parent (set on moveTo method).
isForeign: function () {
return this.source.$treeScope !== this.parent.$treeScope;
},
//Sets arguments passed to user callbacks.
eventArgs: function (elements, pos) {
return {
source: this.sourceInfo,
dest: {
index: this.index,
nodesScope: this.parent
},
elements: elements,
pos: pos
};
},
//Method that actually manipulates the node being moved.
apply: function () {
var nodeData = this.source.$modelValue;
//Nodrop enabled on tree or parent
if (this.parent.nodropEnabled || this.parent.$treeScope.nodropEnabled) {
return;
}
//Node was dropped in the same place - do nothing.
if (!this.isDirty()) {
return;
}
//CloneEnabled and cross-tree so copy and do not remove from source.
if (this.isClone() && this.isForeign()) {
this.parent.insertNode(this.index, this.sourceInfo.cloneModel);
//Any other case, remove and reinsert.
} else {
this.source.remove();
this.parent.insertNode(this.index, nodeData);
}
}
};
},
/**
* @ngdoc method
* @name ui.tree#height
* @methodOf ui.tree.service:UiTreeHelper
*
* @description
* Get the height of an element.
*
* @param {Object} element Angular element.
* @returns {String} Height
*/
height: function (element) {
return element.prop('scrollHeight');
},
/**
* @ngdoc method
* @name ui.tree#width
* @methodOf ui.tree.service:UiTreeHelper
*
* @description
* Get the width of an element.
*
* @param {Object} element Angular element.
* @returns {String} Width
*/
width: function (element) {
return element.prop('scrollWidth');
},
/**
* @ngdoc method
* @name ui.tree#offset
* @methodOf ui.nestedSortable.service:UiTreeHelper
*
* @description
* Get the offset values of an element.
*
* @param {Object} element Angular element.
* @returns {Object} Object with properties width, height, top and left
*/
offset: function (element) {
var boundingClientRect = element[0].getBoundingClientRect();
return {
width: element.prop('offsetWidth'),
height: element.prop('offsetHeight'),
top: boundingClientRect.top + ($window.pageYOffset || $document[0].body.scrollTop || $document[0].documentElement.scrollTop),
left: boundingClientRect.left + ($window.pageXOffset || $document[0].body.scrollLeft || $document[0].documentElement.scrollLeft)
};
},
/**
* @ngdoc method
* @name ui.tree#positionStarted
* @methodOf ui.tree.service:UiTreeHelper
*
* @description
* Get the start position of the target element according to the provided event properties.
*
* @param {Object} e Event
* @param {Object} target Target element
* @returns {Object} Object with properties offsetX, offsetY, startX, startY, nowX and dirX.
*/
positionStarted: function (e, target) {
var pos = {},
pageX = e.pageX,
pageY = e.pageY;
//Check to set correct data for TouchEvents
if (e.originalEvent && e.originalEvent.touches && (e.originalEvent.touches.length > 0)) {
pageX = e.originalEvent.touches[0].pageX;
pageY = e.originalEvent.touches[0].pageY;
}
pos.offsetX = pageX - this.offset(target).left;
pos.offsetY = pageY - this.offset(target).top;
pos.startX = pos.lastX = pageX;
pos.startY = pos.lastY = pageY;
pos.nowX = pos.nowY = pos.distX = pos.distY = pos.dirAx = 0;
pos.dirX = pos.dirY = pos.lastDirX = pos.lastDirY = pos.distAxX = pos.distAxY = 0;
return pos;
},
positionMoved: function (e, pos, firstMoving) {
var pageX = e.pageX,
pageY = e.pageY,
newAx;
//If there are multiple touch points, choose one to use as X and Y.
if (e.originalEvent && e.originalEvent.touches && (e.originalEvent.touches.length > 0)) {
pageX = e.originalEvent.touches[0].pageX;
pageY = e.originalEvent.touches[0].pageY;
}
//Mouse position last event.
pos.lastX = pos.nowX;
pos.lastY = pos.nowY;
//Mouse position this event.
pos.nowX = pageX;
pos.nowY = pageY;
//Distance mouse moved between events.
pos.distX = pos.nowX - pos.lastX;
pos.distY = pos.nowY - pos.lastY;
//Direction mouse was moving.
pos.lastDirX = pos.dirX;
pos.lastDirY = pos.dirY;
//Direction mouse is now moving (on both axis).
pos.dirX = pos.distX === 0 ? 0 : pos.distX > 0 ? 1 : -1;
pos.dirY = pos.distY === 0 ? 0 : pos.distY > 0 ? 1 : -1;
//Axis mouse is now moving on.
newAx = Math.abs(pos.distX) > Math.abs(pos.distY) ? 1 : 0;
//Do nothing on first move.
if (firstMoving) {
pos.dirAx = newAx;
pos.moving = true;
return;
}
//Calc distance moved on this axis (and direction).
if (pos.dirAx !== newAx) {
pos.distAxX = 0;
pos.distAxY = 0;
} else {
pos.distAxX += Math.abs(pos.distX);
if (pos.dirX !== 0 && pos.dirX !== pos.lastDirX) {
pos.distAxX = 0;
}
pos.distAxY += Math.abs(pos.distY);
if (pos.dirY !== 0 && pos.dirY !== pos.lastDirY) {
pos.distAxY = 0;
}
}
pos.dirAx = newAx;
},
elementIsTreeNode: function (element) {
return typeof element.attr('ui-tree-node') !== 'undefined';
},
elementIsTreeNodeHandle: function (element) {
return typeof element.attr('ui-tree-handle') !== 'undefined';
},
elementIsTree: function (element) {
return typeof element.attr('ui-tree') !== 'undefined';
},
elementIsTreeNodes: function (element) {
return typeof element.attr('ui-tree-nodes') !== 'undefined';
},
elementIsPlaceholder: function (element) {
return element.hasClass(treeConfig.placeholderClass);
},
elementIsDropzone: function (element) {
return element.hasClass(treeConfig.dropzoneClass);
},
elementContainsTreeNodeHandler: function (element) {
return element[0].querySelectorAll('[ui-tree-handle]').length >= 1;
},
treeNodeHandlerContainerOfElement: function (element) {
return findFirstParentElementWithAttribute('ui-tree-handle', element[0]);
}
};
}
]);
// TODO: optimize this loop
//(Jcarter): Suggest adding a parent element property on uiTree, then all these bubble
// to <html> can trigger to stop when they reach the parent.
function findFirstParentElementWithAttribute(attributeName, childObj) {
//Undefined if the mouse leaves the browser window
if (childObj === undefined) {
return null;
}
var testObj = childObj.parentNode,
count = 1,
//Check for setAttribute due to exception thrown by Firefox when a node is dragged outside the browser window
res = (typeof testObj.setAttribute === 'function' && testObj.hasAttribute(attributeName)) ? testObj : null;
while (testObj && typeof testObj.setAttribute === 'function' && !testObj.hasAttribute(attributeName)) {
testObj = testObj.parentNode;
res = testObj;
//Stop once we reach top of page.
if (testObj === document.documentElement) {
res = null;
break;
}
count++;
}
return res;
}
})();