Long story short: I am trying to set a node's label based on info in some other properties on the same node. I want the node label to be an "app name", which is retrieved by sending an "app ID" to a REST API on a server (whose hostname, port and TLS client cert) is kept in a "server" config node). …

The dahboard button node does that. Maybe you can browse its code-

The node's label cannot be dynamically changed by the runtime. The label function should only be using information available to it within the editor - typically just the node's own properties. It only gets re-evaluated when the node's edit dialog is closed. It is certainly possible to do something …

Right, thanks. Ok, so that's pretty much as far as I got too, you expressed it a lot clearer thou :slight_smile: Putting the thinking cap back on, there's got to be some way to make this work in a reasonably user friendly way. Nice little challenge though.

For runtime information instead of the label, the node Staus should be used.

I know and that works ok, but I also feel that the node status indicators and texts are too small. They simply don't catch the eye as well as they should, IMHO. I've had the same feedback from users using Node-RED apps with status indicators too. Don't get me wrong, the status indicators work well…

If you want to abuse the editor - you can display dynamic images [image] ....runs away quickly But its a fair bit of trouble to goto - I just use it here to display a copy of the led string lights in my kitchen

I know... it's just so tempting for some scenarios. On the other hand then - if NR is not intended for dashboards - what tools should we look at instead? The visual nature of NR editing, the wide range of node types and the fact that it's amazingly stable (I've had flows running for years without …

well there are several to choose from - node-red-dashboard, node-red-contrib-uibuilder, node-red-contrib-component-dashboard, plus roll your own etc etc.

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Possible to dynamically update a node's label?

Developing Nodes

hardillb 25 August 2020 20:30 9

But also remember that the editor is NOT meant to be a dashboard!

3 Likes

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Possible to dynamically update a node's label?

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