rqml/src/widget_builders/combobox.rs

75 lines
2.8 KiB
Rust

use crate::parser::Value::{QmlIdent, QmlString};
use crate::parser::{Value, QML};
use crate::state;
use crate::widget_builders::{parse_number, QmlContext, WidgetBuilder};
use orbtk::prelude::HashMap;
use orbtk::prelude::*;
use rhai::{Array, Engine};
use std::ops::Index;
pub struct ComboBoxBuilder {}
impl WidgetBuilder for ComboBoxBuilder {
fn build(&self, properties: HashMap<String, Value>, _children: Vec<(String, QML)>) -> Box<dyn Fn(Entity, &mut BuildContext, usize, usize, &mut QmlContext) -> Entity> {
return Box::new(move |id, ctx, row, col, qmlctx| -> Entity {
let mut combo_box = ComboBox::new();
combo_box = combo_box.attach(Grid::row(row as usize));
combo_box = combo_box.attach(Grid::column(col as usize));
let widget_id = match properties.get("id") {
Some(QmlIdent(text)) => {
combo_box = combo_box.id(text.clone());
qmlctx.indexes.push(text.clone());
text.clone()
}
_ => String::new(),
};
let items = match properties.get("items").unwrap() {
QmlString(code) => {
qmlctx.code.insert((widget_id, String::from("items")), code.to_string());
let engine = Engine::new();
match engine.eval::<Array>(code.as_str()) {
Ok(list) => {
println!("Found Combobox with {} items {:?}", list.len(), list);
list.to_vec()
}
_ => vec![],
}
}
_ => vec![],
};
combo_box = combo_box.count(items.len());
combo_box = combo_box.items_builder(move |bc, index| {
let text = items.index(index);
TextBlock::new().margin((0., 0., 0., 0.)).v_align("center").text(text.to_string()).build(bc)
});
let code = match properties.get("onselect").unwrap() {
QmlString(code) => code.clone(),
_ => String::new(),
};
combo_box = combo_box.on_changed(move |states, _, _ | {
state(id, states).action(code.clone());
});
let selected = parse_number(properties.get("selected")) as u32;
combo_box = combo_box.selected_index(selected as i32);
match properties.get("anchors.centerIn") {
Some(QmlIdent(str)) => {
if str.eq("parent") {
combo_box = combo_box.v_align(Alignment::Center);
combo_box = combo_box.h_align(Alignment::Center);
}
}
_ => {}
}
return combo_box.build(ctx);
});
}
}