![]() ![]() If you implement this callback, the return value determines whether the drop event is allowed to proceed. The beforeDrop function is called before the dragging node is dropped. The dragStop function is called when the user stop dragging the node. The dragMove function is called when the user moves the node. The dragStart function is called when the user starts to drag the node. To change the node being dropped before dragStart(event) elements: The dragging relative elements.nodesScope: The scope of ui-tree-nodes which you just dropped in.cloneModel: Given data-clone-enabled is true, holds the model of the cloned node that is to be inserted, this can be edited before drop without affecting the source node.index: The position when it began to drag.nodesScope: The scope of the parent nodes of source node when it began to drag.nodeScope: The scope of source node which was dragged.event: Event arguments, it's an object.If a node moves it's position after dropped, the nodeDropped callback will be called. ![]() If a node is removed, the removed callback will be called. sourceNodeScope: The scope of source node which is selected.If the nodes accept the current dragging node.Ĭheck if the current selected node can be dragged. destIndex: The position you want to drop in.destNodesScope: The scope of ui-tree-nodes which you want to drop in.sourceNodeScope: The scope of source node which is dragging.Methods in $callbacks accept(sourceNodeScope, destNodesScope, destIndex)Ĭheck if the current dragging node can be dropped in the ui-tree-nodes. false: do not display an empty placeholder.true (default): display an empty placeholder if the tree is empty.If a tree is empty, there will be an empty placeholder which is used to drop node from other trees by default. (default 0) data-empty-placeholder-enabled Number of milliseconds a click must be held to start a drag. If you write your own $callbacks.accept method, you have to check data-max-depth by yourself. Number of levels a nodes can be nested (default 0). This will clone the source node to the destination when dragging between 2 trees. Turn on a dropzone that is always visible, even when tree is not empty. ![]() To prevent a particular node from accepting children, add the attribute to the ui-tree-nodes element instead (see below). This applies to both nodes dragged within this tree and nodes from a connected tree.Īdding this attribute to the ui-tree effectively makes the tree a drag source only. Prevent dropping of nodes into this tree. Ui-tree is the root scope for a tree Attributes data-nodrop-enabled Ui-tree-nodes -> Container of child-nodes Ui-tree-node -> One of the node of a tree Unlimited nesting HTML View or Templates Example this node will have the class 'angular-ui-tree-placeholder'.
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