【问题标题】:FancyTree: How do I Expand all nested/subsequent nodes? Not only current nodesFancyTree:如何展开所有嵌套/后续节点?不仅是当前节点
【发布时间】:2021-08-21 10:24:46
【问题描述】:
当我使用以下 Fancytree 偶数动作时:
$(document).on('click', '.expand-all', function () {
$.ui.fancytree.getTree().expandAll();
});
Fancytree 仅扩展当前节点,但不扩展更多级别的子/嵌套节点。假设以下情况不同时发生:
如何在单个事件中实现这一目标?
【问题讨论】:
标签:
javascript
jquery
treeview
fancytree
【解决方案1】:
我已经想通了,这样做了:
$(document).on('click', '.expand-all-nested', function (e) {
expandNodes();
function expandNodes() {
$.ui.fancytree.getTree("#treegrid").visit(function (node) {
if (node.isLazy() && !node.isExpanded() && !node.isLoading()) {
node.setExpanded(true).done(() => {
console.log('Auto Expanding Children');
expandNodes()
}
).catch(function (error) {
//Error occurred. Trying re-fetching data
console.log('Error occurred. Trying re-fetching data');
setTimeout(function () {
node.load(true).done(() => {
console.log('Successfully Re-fetched errored data');
}).catch(function () {
console.log('Couldn\'t Re-fetch errored data');
});
}, 700);
})
}
});
}
});