===== view.generated.mbt =====
// Generated by selene-xaml@0.37.3. DO NOT EDIT.
// input user fixtures/indexed.xaml sha256=ad6b3b8f782be9aa479d967f6294aaf72c9abbcdadcd7f6813d0e3cc2a14c8d9
// input moon-info fixtures/indexed.mbti sha256=7fc1db4394b9c80751e0ec961eeac028d8025447b37739a3fda48b68c7815a4b

///|
type IndexedState = @model.IndexedState

///|
pub(all) enum IndexedViewAction {
  Select(String)
} derive(Eq, Debug)

///|
#warnings("-unused_value")
fn generated_rect_component(
  value : String,
  index : Int,
  path : String,
  image_region : Bool,
  corner_radius : Bool,
  non_negative : Bool,
) -> Double raise {
  @xaml_view.generated_view_rect_component(
    value,
    index,
    path,
    image_region,
    corner_radius~,
    non_negative~,
  )
}

///|
#warnings("-unused_value")
fn generated_image_drop_shadow(
  value : String,
  path : String,
) -> @xaml_view.ImageDropShadow? raise {
  @xaml_view.generated_view_image_drop_shadow(value, path)
}

///|
#warnings("-struct_never_constructed")
pub struct IndexedView {}

///|
let generated_runtime : @xaml_view.GeneratedViewRuntime[
  IndexedState,
  IndexedViewAction,
] = @xaml_view.GeneratedViewRuntime::new(generated_handle_event)

///|
/// World-isolated typed actions emitted by this view.
pub let action_event_bus : @event.Events[
  @xaml_view.GeneratedViewAction[IndexedViewAction],
] = generated_runtime.action_events()

///|
/// ViewModel components mounted by this View in the current World.
pub fn IndexedView::view_models() -> Map[@entity.Entity, IndexedState] {
  generated_runtime.view_models()
}

///|
#warnings("-unused_error_type")
fn generated_specs(state : IndexedState) -> Array[@xaml_view.NodeSpec] raise {
  let nodes : Array[@xaml_view.NodeSpec] = []
  nodes.push({
    key: "node-root-view",
    parent: None,
    kind: @xaml_view.NodeKind::View,
    text: "",
    spans: [],
    source: "",
    path_geometry: None,
    active: true,
    enabled: true,
    focusable: false,
    tab_index: 0,
    focus_scope: false,
    auto_focus: false,
    navigation_up: "",
    navigation_down: "",
    navigation_left: "",
    navigation_right: "",
    automation_name: "",
    style: { ..@xaml_view.NodeStyle::default() },
    visual_state_groups: [],
  })
  let generated_seen_1 : Map[String, Bool] = Map([])
  for generated_item_index_1, generated_item_1 in state.items {
    let generated_item_key_1 = generated_item_index_1.to_string()
    if generated_item_key_1 == "" ||
      generated_seen_1.contains(generated_item_key_1) {
      fail("duplicate or empty key in items: " + generated_item_key_1)
    }
    generated_seen_1[generated_item_key_1] = true
    nodes.push({
      key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
      parent: Some("node-root-view"),
      kind: @xaml_view.NodeKind::Button,
      text: "",
      spans: [],
      source: "",
      path_geometry: None,
      active: true,
      enabled: true,
      focusable: true,
      tab_index: 0,
      focus_scope: false,
      auto_focus: false,
      navigation_up: "",
      navigation_down: "",
      navigation_left: "",
      navigation_right: "",
      automation_name: "",
      style: { ..@xaml_view.NodeStyle::default() },
      visual_state_groups: [],
    })
    nodes.push({
      key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0/0-text",
      parent: Some(
        "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
      ),
      kind: @xaml_view.NodeKind::Text,
      text: generated_item_1.label,
      spans: [],
      source: "",
      path_geometry: None,
      active: true,
      enabled: true,
      focusable: false,
      tab_index: 0,
      focus_scope: false,
      auto_focus: false,
      navigation_up: "",
      navigation_down: "",
      navigation_left: "",
      navigation_right: "",
      automation_name: "",
      style: { ..@xaml_view.NodeStyle::default() },
      visual_state_groups: [],
    })
  }
  nodes
}

///|
#warnings("-unused_error_type")
fn generated_items_specs(
  state : IndexedState,
) -> Array[@xaml_view.NodeSpec] raise {
  let nodes : Array[@xaml_view.NodeSpec] = []
  let generated_seen_1 : Map[String, Bool] = Map([])
  for generated_item_index_1, generated_item_1 in state.items {
    let generated_item_key_1 = generated_item_index_1.to_string()
    if generated_item_key_1 == "" ||
      generated_seen_1.contains(generated_item_key_1) {
      fail("duplicate or empty key in items: " + generated_item_key_1)
    }
    generated_seen_1[generated_item_key_1] = true
    nodes.push({
      key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
      parent: Some("node-root-view"),
      kind: @xaml_view.NodeKind::Button,
      text: "",
      spans: [],
      source: "",
      path_geometry: None,
      active: true,
      enabled: true,
      focusable: true,
      tab_index: 0,
      focus_scope: false,
      auto_focus: false,
      navigation_up: "",
      navigation_down: "",
      navigation_left: "",
      navigation_right: "",
      automation_name: "",
      style: { ..@xaml_view.NodeStyle::default() },
      visual_state_groups: [],
    })
    nodes.push({
      key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0/0-text",
      parent: Some(
        "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
      ),
      kind: @xaml_view.NodeKind::Text,
      text: generated_item_1.label,
      spans: [],
      source: "",
      path_geometry: None,
      active: true,
      enabled: true,
      focusable: false,
      tab_index: 0,
      focus_scope: false,
      auto_focus: false,
      navigation_up: "",
      navigation_down: "",
      navigation_left: "",
      navigation_right: "",
      automation_name: "",
      style: { ..@xaml_view.NodeStyle::default() },
      visual_state_groups: [],
    })
  }
  nodes
}

///|
#warnings("-unused_error_type")
fn generated_items_item_specs(
  state : IndexedState,
  generated_requested_key : String,
) -> Array[@xaml_view.NodeSpec] raise {
  let nodes : Array[@xaml_view.NodeSpec] = []
  let mut generated_matched_1 = false
  let generated_seen_1 : Map[String, Bool] = Map([])
  for generated_item_index_1, generated_item_1 in state.items {
    let generated_item_key_1 = generated_item_index_1.to_string()
    if generated_item_key_1 == "" ||
      generated_seen_1.contains(generated_item_key_1) {
      fail("duplicate or empty key in items: " + generated_item_key_1)
    }
    generated_seen_1[generated_item_key_1] = true
    if generated_item_key_1 == generated_requested_key {
      generated_matched_1 = true
      nodes.push({
        key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
        parent: Some("node-root-view"),
        kind: @xaml_view.NodeKind::Button,
        text: "",
        spans: [],
        source: "",
        path_geometry: None,
        active: true,
        enabled: true,
        focusable: true,
        tab_index: 0,
        focus_scope: false,
        auto_focus: false,
        navigation_up: "",
        navigation_down: "",
        navigation_left: "",
        navigation_right: "",
        automation_name: "",
        style: { ..@xaml_view.NodeStyle::default() },
        visual_state_groups: [],
      })
      nodes.push({
        key: "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0/0-text",
        parent: Some(
          "node-root-view/items:\{generated_item_key_1}/item-root-0/item/0-button",
        ),
        kind: @xaml_view.NodeKind::Text,
        text: generated_item_1.label,
        spans: [],
        source: "",
        path_geometry: None,
        active: true,
        enabled: true,
        focusable: false,
        tab_index: 0,
        focus_scope: false,
        auto_focus: false,
        navigation_up: "",
        navigation_down: "",
        navigation_left: "",
        navigation_right: "",
        automation_name: "",
        style: { ..@xaml_view.NodeStyle::default() },
        visual_state_groups: [],
      })
    }
  }
  if !generated_matched_1 {
    fail(
      "generated collection item key does not exist: " + generated_requested_key,
    )
  }
  nodes
}

///|
/// Refreshes the complete keyed items presentation collection.
pub fn IndexedView::refresh_items(root : @entity.Entity) -> Unit raise {
  generated_runtime.refresh_region(root, "items", generated_items_specs)
  let generated_keys : Array[String] = []
  for index, _ in generated_runtime.view_model(root).items {
    generated_keys.push(index.to_string())
  }
  generated_runtime.index_collection(root, "items", generated_keys)
}

///|
/// Refreshes one keyed IndexedItem presentation subtree.
/// Call refresh_items when the item key or collection structure changed.
pub fn IndexedView::refresh_items_item(
  root : @entity.Entity,
  key : Int,
) -> Unit raise {
  let generated_key = key.to_string()
  ignore(generated_runtime.collection_index(root, "items", generated_key))
  generated_runtime.refresh_region_slice(
    root,
    "items",
    "/items:" + generated_key + "/",
    state => generated_items_item_specs(state, generated_key),
  )
}

///|
/// Mounts this view on an alive root entity in the current world.
/// Destroying the root ends the view lifetime.
pub fn IndexedView::mount(
  entity : @entity.Entity,
  view_model : IndexedState,
) -> Unit raise {
  let desired = generated_specs(view_model)
  generated_runtime.mount(entity, view_model, desired)
  generated_runtime.index_region(entity, "items", "/items:")
  let generated_items_keys : Array[String] = []
  for index, _ in view_model.items {
    generated_items_keys.push(index.to_string())
  }
  generated_runtime.index_collection(entity, "items", generated_items_keys)
}

///|
/// Releases this View while leaving its caller-owned root entity alive.
pub fn IndexedView::unmount(entity : @entity.Entity) -> Unit raise {
  generated_runtime.unmount(entity)
}

///|
/// Refreshes the complete presentation from the current ViewModel component.
pub fn IndexedView::refresh(entity : @entity.Entity) -> Unit raise {
  let view_model = generated_runtime.view_model(entity)
  let desired = generated_specs(view_model)
  generated_runtime.refresh(entity, desired)
  generated_runtime.index_region(entity, "items", "/items:")
  let generated_items_keys : Array[String] = []
  for index, _ in view_model.items {
    generated_items_keys.push(index.to_string())
  }
  generated_runtime.index_collection(entity, "items", generated_items_keys)
}

///|
/// Reconciles this mounted View with a new ViewModel.
pub fn IndexedView::replace(
  entity : @entity.Entity,
  view_model : IndexedState,
) -> Unit raise {
  let desired = generated_specs(view_model)
  generated_runtime.replace(entity, view_model, desired)
  let generated_items_keys : Array[String] = []
  for index, _ in view_model.items {
    generated_items_keys.push(index.to_string())
  }
  generated_runtime.index_collection(entity, "items", generated_items_keys)
}

///|
fn generated_handle_event(
  view_model : IndexedState,
  event : @xaml_view.UiEvent,
) -> IndexedViewAction? {
  if event.kind == @xaml_view.UiEventKind::Click {
    for generated_action_index, generated_action_item in view_model.items {
      let generated_action_key = generated_action_index.to_string()
      let generated_action_node_key = "node-root-view/items:\{generated_action_key}/item-root-0/item/0-button"
      if event.key == generated_action_node_key {
        return Some(IndexedViewAction::Select(generated_action_key))
      }
    }
  }
  None
}

///|
/// Installs this View below a root generated View that owns the shared host.
pub fn component_plugin(app : @app.App) -> @app.App {
  generated_runtime.install_component(app, "selene_xaml_IndexedView_events")
}

///|
/// Installs the shared host and this View package component tree.
pub fn plugin(app : @app.App) -> @app.App {
  app.add_plugin(@xaml_view.plugin).add_plugin(component_plugin)
}

