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use super::{Component, Layout, LayoutState};
use crate::settings::Value;
use crate::Timer;
use std::result::Result as StdResult;
mod state;
pub use self::state::{Buttons as ButtonsState, State};
pub struct Editor {
layout: Layout,
selected_component: usize,
}
quick_error! {
#[derive(Debug)]
pub enum Error {
EmptyLayout {}
}
}
pub type Result<T> = StdResult<T, Error>;
impl Editor {
pub fn new(mut layout: Layout) -> Result<Self> {
if layout.components.is_empty() {
return Err(Error::EmptyLayout);
}
layout.remount();
Ok(Self {
layout,
selected_component: 0,
})
}
pub fn close(self) -> Layout {
self.layout
}
pub fn layout_state(&mut self, timer: &Timer) -> LayoutState {
self.layout.state(timer)
}
pub fn select(&mut self, index: usize) {
if index < self.layout.components.len() {
self.selected_component = index;
}
}
pub fn add_component<C: Into<Component>>(&mut self, component: C) {
self.selected_component = self.layout.components.len();
self.layout.push(component);
}
pub fn can_remove_component(&self) -> bool {
self.layout.components.len() > 1
}
pub fn remove_component(&mut self) {
if self.can_remove_component() {
self.layout.components.remove(self.selected_component);
if self.selected_component >= self.layout.components.len() {
self.selected_component = self.layout.components.len() - 1;
}
self.layout.remount();
}
}
pub fn can_move_component_up(&self) -> bool {
self.selected_component > 0
}
pub fn move_component_up(&mut self) {
if self.can_move_component_up() {
self.layout
.components
.swap(self.selected_component, self.selected_component - 1);
self.selected_component -= 1;
self.layout.remount();
}
}
pub fn can_move_component_down(&self) -> bool {
self.selected_component < self.layout.components.len() - 1
}
pub fn move_component_down(&mut self) {
if self.can_move_component_down() {
self.layout
.components
.swap(self.selected_component, self.selected_component + 1);
self.selected_component += 1;
self.layout.remount();
}
}
pub fn move_component(&mut self, dst_index: usize) {
if dst_index < self.layout.components.len() {
while self.selected_component > dst_index {
self.move_component_up();
}
while self.selected_component < dst_index {
self.move_component_down();
}
}
}
pub fn duplicate_component(&mut self) {
let index = self.selected_component;
let new_index = index + 1;
let component = self.layout.components[index].clone();
self.layout.components.insert(new_index, component);
self.selected_component = new_index;
self.layout.remount();
}
pub fn set_component_settings_value(&mut self, index: usize, value: Value) {
self.layout.components[self.selected_component].set_value(index, value);
}
pub fn set_general_settings_value(&mut self, index: usize, value: Value) {
self.layout.general_settings_mut().set_value(index, value);
}
}