[Solved] [V1] QTree does not expand all by property default-expand-all

[Stanley]

Dear Quasar team,

I reproduced the issue with below link.
https://codepen.io/Stanley-549393092/pen/RwbrVNr
Normally, when set nodes with fixed value, it will expand all the node because I set the property default-expand-all.
But if the value of nodes is dynamic, it does not work. I also tried using “this.$refs.tree.expandAll()”, it is still not working.
Could you please check it?

[metalsadman]

@Stanley try this https://codepen.io/metalsadman/pen/rNBxwgy

[Stanley]

@metalsadman Wow, it’s amazing. Thanks!

[Mickey58]

I’m using the same code that uses the expandAll() API to expand all nodes of my q-tree. It works well.

@metalsadman - can you explain why

this.$nextTick(()=>{this.$refs.tree.expandAll()})

is needed in this case?

I first tried, like @Stanley, a simple

$refs.tree.expandAll()

and that does not expand the q-tree.

[metalsadman]

@Mickey58 best explained from vue doc’s api https://vuejs.org/v2/api/#Vue-nextTick.