rumtk_web/components/form/
select_element.rs1use crate::components::form::form_node::{FormNode, ToFormNode};
21use crate::components::form::props::InputProps;
22use crate::{ComponentResult, RUMWebTemplate, RUMWebTemplateSafe};
23
24type SelectOptions<'a> = Vec<(&'a str, &'a str)>;
25
26#[derive(RUMWebTemplate, Debug, Clone)]
27#[template(
28 source = "
29 <select size='{{ count }}' class='{{css_class}}' {{props|safe}}>
30 {% for (item_value, item_text) in items %}
31 <option value='{{item_value}}'>{{item_text}}</option>
32 {% endfor %}
33 </select>
34 ",
35 ext = "html"
36)]
37pub struct SelectElement<'a> {
38 items: SelectOptions<'a>,
39 props: &'a str,
40 count: usize,
41 css_class: &'a str
42}
43
44impl RUMWebTemplateSafe for SelectElement<'_> {}
45
46fn parse_select_data(data: &str) -> Vec<(&str, &str)> {
47 let rows: Vec<&str> = data.split(",").collect();
48 let mut result: SelectOptions = vec![];
49
50 for item in rows {
51 let pair: Vec<&str> = item.split("=").collect();
52
53 let r = match pair.len() {
54 0 => {
55 return result;
56 },
57 1 => {
58 let val = pair[0];
59 (val, val)
60 },
61 _ => {
62 let val = pair[0];
63 let text = pair[1];
64
65 (val, text)
66 }
67 };
68
69 result.push(r);
70 }
71
72 result
73}
74
75impl ToFormNode<SelectElement<'_>> for SelectElement<'_> {}
76
77pub fn select_element(_element: &str, data: &str, props: InputProps, css_class: &str) -> ComponentResult<FormNode> {
78 let items = parse_select_data(data);
79 let count = match props.multiple {
80 true => items.len(),
81 false => 1,
82 };
83
84 Ok(SelectElement {
85 items,
86 props: &props.to_string().replace("\\\\", "\\"),
87 count,
88 css_class,
89 }.to_form_node())
90}