Fancytree(Javascript)开关打开/关闭dnd5
我正在尝试打开/关闭拖放功能。我试图通过从extensions属性切换“dnd5”来实现这一点,但它不起作用 我想在不拖放的情况下初始化树。然后,用户可以单击按钮切换拖放功能 *注意:“dnd5”是我正在使用的唯一扩展名 树按计划进行初始化,但当我单击按钮时,拖放功能从未激活。我做错了什么Fancytree(Javascript)开关打开/关闭dnd5,javascript,drag-and-drop,toggle,fancytree,Javascript,Drag And Drop,Toggle,Fancytree,我正在尝试打开/关闭拖放功能。我试图通过从extensions属性切换“dnd5”来实现这一点,但它不起作用 我想在不拖放的情况下初始化树。然后,用户可以单击按钮切换拖放功能 *注意:“dnd5”是我正在使用的唯一扩展名 树按计划进行初始化,但当我单击按钮时,拖放功能从未激活。我做错了什么 var $tree = $("#tree-drag"); function toggleDnD(isOn) { if (isOn) { $mainTree.extensi
var $tree = $("#tree-drag");
function toggleDnD(isOn) {
if (isOn) {
$mainTree.extensions.push("dnd5");
}
else {
if ($mainTree.extensions.length > 0)
$mainTree.extensions.pop();
}
}
$("#btn-dnd-on").on("click", function() { toggleDnD(true); });
$("#btn-dnd-off").on("click", function() { toggleDnD(false); });
var $mainTree = $tree.fancytree({
extensions: [],
autoScroll: true,
init: function (event, data) {
},
dnd5: {
dragStart: function (node, data) {
data.effectAllowed = "all";
data.dropEffect = data.dropEffectSuggested;
return true;
},
dragEnter: function (node, data) {
return true;
},
dragOver: function (node, data) {
data.dropEffect = data.dropEffectSuggested;
},
dragDrop: function (node, data) {
var newNode,
transfer = data.dataTransfer,
sourceNodes = data.otherNodeList,
mode = data.dropEffect;
data.originalEvent.preventDefault();
if (data.hitMode === "after") {
sourceNodes.reverse();
}
if (data.otherNode) {
var sameTree = data.otherNode.tree === data.tree;
if (mode === "move") {
console.log("moved");
var _node = data.otherNode;
var childId = data.otherNode.data.id;
var parentId = data.node.data.id;
$(_node).attr({
"data-child": childId,
"data-parent": parentId
});
data.otherNode.moveTo(node, data.hitMode);
//Assign the parent ID to the object. This will tell the system that a category has changed its home and needs its parent to be updated.
$("ul.ui-fancytree-source").find("li[data-id='" + childId + "']").attr("data-parent", parentId);
}
else {
newNode = data.otherNode.copyTo(node, data.hitMode);
if (mode === "link") {
newNode.setTitle("Link to " + newNode.title);
}
else {
newNode.setTitle("Copy of " + newNode.title);
}
}
}
else if (data.otherNodeData) {
node.addChild(data.otherNodeData, data.hitMode);
}
else if (data.files.length) {
for (var i = 0; i < data.files.length; i++) {
var file = data.files[i];
node.addNode({ title: "'" + file.name + "' (" + file.size + " bytes)" }, data.hitMode);
}
}
else {
node.addNode({ title: transfer.getData("text"), }, data.hitMode);
}
node.setExpanded();
$(".fancytree-statusnode-nodata").parent("li[role='treeitem']").remove();
}
},
dblclick: function (event, data) {
// Get the next table
var id = data.node.data.id;
getTable(id);
setTreeNode(id);
node.setExpanded(true);
node.setActive(true);
}
});
var$tree=$(“#树拖动”);
功能切换DND(isOn){
国际单项体育联合会{
$mainTree.extensions.push(“dnd5”);
}
否则{
如果($mainTree.extensions.length>0)
$mainTree.extensions.pop();
}
}
$(“#btn dnd on”).on(“单击”,function(){toggleDnD(true);});
$(“#btn dnd off”).on(“click”,function(){toggleDnD(false);});
var$mainTree=$tree.fancytree({
扩展:[],
autoScroll:是的,
init:函数(事件、数据){
},
dnd5:{
dragStart:函数(节点、数据){
data.effectAllowed=“全部”;
data.dropEffect=data.dropEffectSuggestived;
返回true;
},
绘图器:功能(节点、数据){
返回true;
},
dragOver:功能(节点、数据){
data.dropEffect=data.dropEffectSuggestived;
},
dragDrop:函数(节点、数据){
var newNode,
传输=data.dataTransfer,
sourceNodes=data.otherNodeList,
模式=data.dropEffect;
data.originalEvent.preventDefault();
如果(data.hitMode==“之后”){
sourceNodes.reverse();
}
if(data.otherNode){
var sameTree=data.otherNode.tree===data.tree;
如果(模式==“移动”){
控制台日志(“移动”);
var_node=data.otherNode;
var childId=data.otherNode.data.id;
var parentId=data.node.data.id;
$(_节点).attr({
“数据子对象”:childId,
“数据父项”:父项ID
});
data.otherNode.moveTo(节点,data.hitMode);
//将父ID分配给对象。这将告诉系统某个类别已更改其主类别,需要更新其父类别。
$(“ul.ui fancytree source”).find(“li[data id=”“+childId+””).attr(“data parent”,parentId);
}
否则{
newNode=data.otherNode.copyTo(node,data.hitMode);
如果(模式=“链接”){
newNode.setTitle(“链接到”+newNode.title);
}
否则{
newNode.setTitle(““+newNode.title”的副本);
}
}
}
else if(data.otherNodeData){
node.addChild(data.otherNodeData,data.hitMode);
}
else if(data.files.length){
对于(var i=0;i
初始化后,修改扩展名列表将不起作用
相反,您可以维护一个全局标志,并在dragStart事件中返回false:
dnd5: {
dragStart: function (node, data) {
if( dndDisabled ) { return false; }
data.effectAllowed = "all";
data.dropEffect = data.dropEffectSuggested;
return true;
},
另请参见。谢谢@mar10!这几乎就像…你做了fancytree什么的……)