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Author Topic: Tree still show loading icon in case node doesn't have any children ?  (Read 8813 times)
jimbo
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« on: January 01, 2019, 11:26:47 PM »

i using Tree component with lazy-load, everything looks good, but in case a node does not have any children and result is empty, the loading icon does not disappear, So I did something wrong or this is an issue of component ?

Code:
onNodeExpand(event){
        let node = event;
        if (!node.children) {
            this.dataService.getNodes(node).subscribe((data) => node.children = data);
            // data = [] when this node doesn't have any child
        }
 }
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stworthy
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« Reply #1 on: January 01, 2019, 11:56:23 PM »

If a node hasn't any children, its state can't be set to 'closed'. It will be a leaf node.
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jimbo
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« Reply #2 on: January 14, 2019, 09:34:40 PM »

If a node hasn't any children, its state can't be set to 'closed'. It will be a leaf node.
But i using lazy load,so don't know if this node have childs or not
« Last Edit: January 14, 2019, 09:44:44 PM by jimbo » Logged
stworthy
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« Reply #3 on: January 15, 2019, 06:14:27 PM »

In your server side you should determine which node has children and then set its 'state' property to 'closed'.
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