[pdm-devel] superseded: [RFC pwt] combobox: add .schema() to builder

[Hannes Laimer <h.laimer@proxmox.com>]

superseded-by: 
https://lore.proxmox.com/yew-devel/20251009112502.312917-1-h.laimer@proxmox.com/T/#t

On 9/30/25 15:00, Hannes Laimer wrote:
> ... guarded by the `proxmox-schema` feature.
> 
> Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
> ---
> 
> Very much RFC! Is there a reason to not have this on most elements? This
> patch is exemplary, we just pull enum items and default value out of the
> schema for the comobox. We could do the same for descriptions or regex
> formats.
> 
>   Cargo.toml                  |  5 ++++
>   src/widget/form/combobox.rs | 46 +++++++++++++++++++++++--------------
>   2 files changed, 34 insertions(+), 17 deletions(-)
> 
> diff --git a/Cargo.toml b/Cargo.toml
> index 86f73cc..b2d2f1c 100644
> --- a/Cargo.toml
> +++ b/Cargo.toml
> @@ -71,4 +71,9 @@ url = "2.1"
>   percent-encoding = "2.1"
>   gettext = "0.4"
>   
> +proxmox-schema = { version = "5.0.0", optional = true }
>   pwt-macros = { version = "0.5", path = "pwt-macros" }
> +
> +[features]
> +default = ["proxmox-schema"]
> +proxmox-schema = ["dep:proxmox-schema"]
> diff --git a/src/widget/form/combobox.rs b/src/widget/form/combobox.rs
> index fc402ba..167fdb4 100644
> --- a/src/widget/form/combobox.rs
> +++ b/src/widget/form/combobox.rs
> @@ -7,8 +7,8 @@ use yew::html::{IntoEventCallback, IntoPropValue};
>   use yew::prelude::*;
>   use yew::virtual_dom::Key;
>   
> -// #[cfg(feature = "proxmox-schema")]
> -// use proxmox_schema::Schema;
> +#[cfg(feature = "proxmox-schema")]
> +use proxmox_schema::Schema;
>   
>   use crate::prelude::*;
>   use crate::props::{IntoOptionalRenderFn, IntoTextFilterFn, RenderFn, TextFilterFn};
> @@ -164,21 +164,33 @@ impl Combobox {
>           self.validate = validate.into_validate_fn();
>       }
>   
> -    // /// Builder style method to set the validation schema
> -    // #[cfg(feature = "proxmox-schema")]
> -    // pub fn schema(mut self, schema: &'static Schema) -> Self {
> -    //     self.set_schema(schema);
> -    //     self
> -    // }
> -
> -    // /// Method to set the validation schema
> -    // #[cfg(feature = "proxmox-schema")]
> -    // pub fn set_schema(&mut self, schema: &'static Schema) {
> -    //     self.set_validate(move |(value, _store): &(String, _)| {
> -    //         schema.parse_simple_value(value)?;
> -    //         Ok(())
> -    //     });
> -    // }
> +    /// Builder style method to set the validation schema, items and placeholder
> +    #[cfg(feature = "proxmox-schema")]
> +    pub fn schema(mut self, schema: &'static Schema) -> Self {
> +        self.set_schema(schema);
> +        self
> +    }
> +
> +    /// Method to set the validation schema, items and placeholder
> +    #[cfg(feature = "proxmox-schema")]
> +    pub fn set_schema(&mut self, schema: &'static Schema) {
> +        if let proxmox_schema::Schema::String(s) = schema {
> +            if let Some(proxmox_schema::ApiStringFormat::Enum(e)) = s.format {
> +                let items: Vec<AttrValue> = e
> +                    .iter()
> +                    .map(|entry| entry.value.to_string().into())
> +                    .collect();
> +                self.set_items(items.into());
> +            }
> +            if let Some(value) = s.default {
> +                self.set_placeholder(value);
> +            }
> +        }
> +        self.set_validate(move |(value, _store): &(String, _)| {
> +            schema.parse_simple_value(value)?;
> +            Ok(())
> +        });
> +    }
>   
>       /// Builder style method to add an trigger
>       pub fn with_trigger(mut self, trigger: impl Into<Trigger>, right: bool) -> Self {



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