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use crate::traits::*;
use crate::content::Content;
use crate::component::*;
#[derive(PartialEq, Eq)]
#[repr(u8)]
pub enum Scrollable {
X = 0,
Y = 1,
None = 2,
}
pub struct Container {
scroll: Scrollable,
x: f64,
y: f64,
pub left: f64,
pub right: f64,
pub top: f64,
pub bottom: f64,
inventory: Vec<Content>,
padding_x: f32,
padding_y: f32,
padding_min_x: f32,
padding_max_x: f32,
padding_min_y: f32,
padding_max_y: f32,
}
impl Container {
pub fn new(
padding_x: f32,
padding_y: f32,
padding_min_x: f32,
padding_max_x: f32,
padding_min_y: f32,
padding_max_y: f32,
scroll: Scrollable
) -> Self {
Self {
scroll,
x: 0.,
y: 0.,
left: 0.,
right: 0.,
top: 0.,
bottom: 0.,
inventory: Vec::new(),
padding_x,
padding_y,
padding_min_x,
padding_max_x,
padding_min_y,
padding_max_y,
}
}
pub fn on_resize(&mut self, x: f64, y: f64, w: f64, h: f64) {
let padding_x = (w as f32 * self.padding_x).max(self.padding_min_x).min(self.padding_max_x) as f64;
let padding_y = (w as f32 * self.padding_y).max(self.padding_min_y).min(self.padding_max_y) as f64;
self.left = x + padding_x;
self.top = y + padding_y;
self.right = x + w - padding_x;
self.bottom = y + h - padding_y;
self.x = self.left;
self.y = self.top;
self.resize();
}
fn resize(&mut self) {
for i in 0..self.inventory.len(){
let item = self.inventory.get_mut(i).unwrap();
let w;
let h;
loop {
let (width, height, fit) = (*item).on_resize(self.x, self.y, self.right, self.bottom);
log!("resize content item: {} {} {} {}, {} {} {}", self.x, self.y, self.right, self.bottom, width, height, fit);
if fit {
w = width;
h = height;
break;
}
}
self.update_cursor(w, h);
}
}
pub fn draw(&self, ctx: &web_sys::CanvasRenderingContext2d) {
self.draw_outline(ctx);
for item in self.inventory.iter() {
item.draw(ctx);
}
}
pub fn render_tick(&self, ctx: &web_sys::CanvasRenderingContext2d) {
self.draw_outline(ctx);
for item in self.inventory.iter() {
item.render_tick(ctx);
}
}
pub fn tick(&mut self) {
for item in self.inventory.iter_mut() {
item.tick();
}
}
fn update_cursor(&mut self, w: f64, h: f64) {
match self.scroll {
Scrollable::X => {
self.x += w;
if self.y >= self.bottom {
self.y = self.top;
}
},
Scrollable::Y => {
self.y += h;
if self.x >= self.right {
self.x = self.left;
}
},
Scrollable::None => {
self.x += w;
if self.x >= self.right {
self.x = self.left;
self.y += h;
}
}
}
}
pub fn register(&mut self, item: Content) {
self.inventory.push(item);
self.inventory.sort_by_key(|i| i.get_order_value());
}
fn consume_event(&mut self, _ev: &mut Event) {
}
pub fn dispatch_event(&mut self, ev: &mut Event) {
if ev.pos.in_area(self.left, self.top, self.right, self.bottom) {
for item in self.inventory.iter_mut() {
item.dispatch_event(ev);
}
self.consume_event(ev);
}
}
}