Consider adding an example for onclick listener

[chungwong]

Given the following Scatter example, it is unclear how to add an onclick listener to the chart.

let mut plot = Plot::new();
let trace = Scatter::new(vec![0, 1, 2], vec![2, 1, 0]);
plot.add_trace(trace);

let layout = plotly::Layout::new().title("Displaying a Chart in Yew");
plot.set_layout(layout);

plotly::bindings::new_plot(id, &plot).await;

In Plotly.js, this can be acheived by capturing the plotly_click event, i.e.

plot.on('plotly_click', function(data) {
  ..
});

Is it supported in plotly.rs?

[andrei-ng]

Hi @chungwong. This is not supported. Would be nice if you could submit a PR with such a feature.

[FritsHoogland]

First of all thank you for the marvellous crate!

I would love to have a way to make the browser open a url on clicking on data points (a stacked bar in my case), and was thinking (hoping actually) that that functionality was provided by plotly::layout::ClickMode::Event, and then somehow give it a URL or javascript?

[fraxinas]

I had been trying to get the plotly_click listener to work in rust/wasm until finally seeing this issue and that it's currently unimplemented :( it would be very highly appreciated if this would be possible.

my current hacky workaround is to use set_onclick on the div containing the plot and then crudely mapping cursor positions, but this only works for me because all i need are the x and y positions and no deeper data.

[andrei-ng]

@fraxinas , is the work you did something you would like to contribute to in a PR. It can also be in the form of an example in the examples folder or as an example in the mdBook.

My current focus is on getting the static image to work, hene that is where all my effort will be going for a while.

[andrei-ng]

Thanks to @h4ck4l1, there is now support for on_click when using wasm targets. For those interested see: #287 and the example added by that PR https://github.com/plotly/plotly.rs/tree/main/examples/wasm-yew-callback-minimal