Unlucky Launcher v0.2.1
Single-commit source snapshot of the v0.2.1 release.
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//! 内容库页的整页装配：页头（含一级切换）+ 左侧类型栏 + 主列（筛选/结果）+ 详情 + 安装面板。
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//!
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//! ## 版面（几何在 [`super::layout`]，这里只消费结果）
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//!
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//! ```text
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//! ┌─ 页头：Content [版本管理 | 内容库] ─┐
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//! ├──────┬────────────────────────┬──────────────┤
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//! │ 类型 │ 搜索 + 四组 chip │ 详情 / 装入 │
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//! │ 四条 │ 计数头 │ 原因逐条列出 │
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//! │ 侧栏 │ 结果列表（独立滚动） │ │
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//! │ │ 加载更多 / 没有更多了 │ │
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//! ├──────┴────────────────────────┴──────────────┤
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//! │ 安装面板（**下载页那块**，只在有安装时出现） │
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//! └──────────────────────────────────────────────┘
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//! ```
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//!
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//! ## 为什么类型栏用 `list_item`（与 M107 的版本类型栏同一套）
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//!
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//! 四条内容类型是**一级侧栏**（页面内导航），几何与状态层必须与版本管理页一致：`list_item`
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//! 自带 60 高两行档与选中态，页面不自己写 hover/pressed。窄档（`Tight`）退成一行 chip——
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//! 栏宽没了就不该硬塞一条 140px 的栏。
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use iced::widget::{column, container, row};
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use iced::{Element, Length};
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use unlucky_design::spacing::Space;
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use unlucky_i18n::{Catalog, Key};
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use unlucky_presenter::dto::ContentKind;
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use crate::app::components::divider;
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use crate::app::components::navigation::list_item::{list_item, ListItem};
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use crate::app::components::selection::{chip, Chip};
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use crate::theme::Ui;
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use crate::pages::download;
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use crate::pages::frame::{self, Header};
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use crate::pages::layout::FrameMetrics;
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use crate::pages::Message as PageMessage;
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use super::layout::{self as content_layout, Rails, Tier};
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use super::model::{Content, Status};
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use super::parts;
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use super::Message as ContentMessage;
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/// 整页入口（由 `pages/mod.rs` 的 `render` 调；页面层不认识 presenter 类型）。
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pub(super) fn view<'a>(
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ui: &'a Ui,
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metrics: FrameMetrics,
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model: &'a Content,
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lang: unlucky_i18n::Lang,
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) -> Element<'a, PageMessage> {
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let catalog = lang.catalog();
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let header = Header::new(catalog.text(Key::ContentTitle))
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.subtitle(catalog.text(Key::ContentSubtitle))
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.action(parts::section_switcher(ui, catalog, true));
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frame::page(ui, metrics, header, body(ui, metrics, catalog, model))
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}
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fn body<'a>(
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ui: &'a Ui,
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metrics: FrameMetrics,
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catalog: Catalog,
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model: &'a Content,
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) -> Element<'a, PageMessage> {
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let rails = content_layout::resolve(metrics.available);
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let mut columns = row![kind_rail(ui, catalog, model, rails)]
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.spacing(rails.gap)
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.width(Length::Fill)
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.height(Length::Fill);
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if rails.tier == Tier::Tight {
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// 窄到放不下侧栏：类型条跑到主列上方（同一个 `kind_rail`，chip 形态）
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let main = column![
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kind_rail(ui, catalog, model, rails),
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divider::full(ui),
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main_column(ui, catalog, model, rails)
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]
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.spacing(ui.space(Space::X2))
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.width(Length::Fill)
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.height(Length::Fill);
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columns = row![main].width(Length::Fill).height(Length::Fill);
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} else {
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columns = columns.push(main_column(ui, catalog, model, rails));
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if rails.tier.has_detail() {
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columns = columns.push(detail_column(ui, catalog, model, rails));
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}
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}
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let mut stack = column![columns]
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.spacing(ui.space(Space::X3))
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.width(Length::Fill)
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.height(Length::Fill);
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if let Some(panel) = &model.panel {
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// **同一块安装面板**（下载页那个函数）：内容库不另画一套进度/失败/取消。
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stack = stack
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.push(divider::full(ui))
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.push(download::install_panel(ui, catalog, panel));
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}
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stack.into()
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}
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/// 左侧四条内容类型（`Wide`/`Compact` 是列表项，`Narrow` 是图标项，`Tight` 是一行 chip）。
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fn kind_rail<'a>(
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ui: &'a Ui,
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catalog: Catalog,
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model: &'a Content,
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rails: Rails,
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) -> Element<'a, PageMessage> {
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if rails.tier == Tier::Tight {
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let mut chips = Vec::new();
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for kind in ContentKind::ALL {
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chips.push(chip(
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ui,
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Chip::filter(
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kind_label(kind, catalog),
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model.kind == kind,
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PageMessage::Content(ContentMessage::SetKind(kind)),
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),
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));
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}
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return row(chips)
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.spacing(ui.space(Space::X2))
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.width(Length::Fill)
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.into();
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}
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let labels = rails.tier.rail_has_labels();
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let mut items = column(Vec::new())
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.spacing(ui.space(Space::X1))
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.width(Length::Fill);
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for kind in ContentKind::ALL {
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let label = kind_label(kind, catalog);
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// 图标档没有文字位：标签仍传（无障碍/日志用），宽度由几何裁掉
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let mut item = ListItem::new(
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if labels { label } else { " " },
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PageMessage::Content(ContentMessage::SetKind(kind)),
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)
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.leading(parts::kind_icon(kind));
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if model.kind == kind {
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item = item.selected();
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}
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items = items.push(list_item(ui, item));
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}
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container(items)
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.width(Length::Fixed(rails.rail))
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.height(Length::Fill)
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.into()
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}
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/// 主列：搜索条 + 筛选 + 计数 + 结果（或四态之一）。
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fn main_column<'a>(
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ui: &'a Ui,
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catalog: Catalog,
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model: &'a Content,
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rails: Rails,
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) -> Element<'a, PageMessage> {
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// 主列的横向内边距不在这里加：`rails.list` 已经把可用宽算干了，再加 2×X2 会让整排
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// 溢出 32px（详情列被切掉一半，复审截图上正是这条）
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let mut head = column![parts::search(ui, catalog, model)]
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.spacing(ui.space(Space::X2))
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.width(Length::Fill);
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// 筛选条**永远在**：它是控制面，不是数据。加载中把筛选条藏起来，用户就没法在慢网络下
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// 换条件或换类型（只能干等），这是「加载态顺手把入口收走」的经典坑。
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head = head.push(parts::filters(ui, catalog, model));
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head = head.push(divider::full(ui));
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if model.status == Status::Ready {
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// 计数头只在有数据时出现：0 条的「0 results」和空态说的是同一件事，画两遍是噪音
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head = head.push(parts::count_head(ui, catalog, model));
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}
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let body: Element<'a, PageMessage> = if let Some(state) = parts::status_body(ui, catalog, model)
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{
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state
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} else {
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// **必须给间距**（复审 P2-1）：这一列原先漏了 `.spacing(..)`，而列表自身的纵向内边距是 0，
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// 于是「列表视口底边」与「加载更多」贴在一起，末行正好被切在半行上。
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let mut list = column![parts::list(ui, catalog, model, rails)]
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.spacing(ui.space(Space::X2))
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.width(Length::Fill)
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.height(Length::Fill);
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// 紧凑档没有独立详情列：详情压在列表下面（整页替换的成本比「多一块」高）
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if !rails.tier.has_detail() {
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list = list
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.push(divider::full(ui))
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.push(parts::detail(ui, catalog, model));
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}
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list.push(parts::more(ui, catalog, model)).into()
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};
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let mut column = column![]
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.spacing(ui.space(Space::X2))
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.width(Length::Fixed(rails.list))
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.height(Length::Fill);
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// M113: import/export —— 只有整合包这一类才有「把本地的包装进来 / 把实例打出去」。
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// 其它三类（Mod / 资源包 / 光影）的导入就是把文件拖进目录，不属于本条任务。
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if model.kind == ContentKind::Modpack {
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column = column
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.push(super::packui::section(ui, catalog, &model.pack))
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.push(divider::full(ui));
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}
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column.push(head).push(body).into()
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}
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/// 详情列（只在 `Wide` / `Narrow` 存在）。
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fn detail_column<'a>(
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ui: &'a Ui,
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catalog: Catalog,
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model: &'a Content,
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rails: Rails,
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) -> Element<'a, PageMessage> {
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container(parts::detail(ui, catalog, model))
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.width(Length::Fixed(rails.detail))
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.height(Length::Fill)
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.style(move |_theme| container::Style::default())
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.into()
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}
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/// 四种内容类型的界面名。
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fn kind_label(kind: ContentKind, catalog: Catalog) -> &'static str {
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match kind {
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ContentKind::Modpack => catalog.text(Key::ContentKindModpack),
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ContentKind::Mod => catalog.text(Key::ContentKindMod),
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ContentKind::Resourcepack => catalog.text(Key::ContentKindResourcepack),
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ContentKind::Shader => catalog.text(Key::ContentKindShader),
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}
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}
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