120 lines
2.9 KiB
Rust
120 lines
2.9 KiB
Rust
use crate::{state::State, tree::NodeId};
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use dioxus_core::ElementId;
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use rustc_hash::{FxHashMap, FxHashSet};
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/// The node is stored client side and stores only basic data about the node.
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#[derive(Debug, Clone)]
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pub struct Node<S: State> {
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/// The transformed state of the node.
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pub state: S,
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/// The raw data for the node
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pub node_data: NodeData,
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}
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#[derive(Debug, Clone)]
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pub struct NodeData {
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/// The id of the node
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pub node_id: NodeId,
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/// The id of the node in the vdom.
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pub element_id: Option<ElementId>,
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/// Additional inforation specific to the node type
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pub node_type: NodeType,
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}
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/// A type of node with data specific to the node type. The types are a subset of the [VNode] types.
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#[derive(Debug, Clone)]
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pub enum NodeType {
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Text {
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text: String,
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},
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Element {
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tag: String,
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namespace: Option<String>,
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attributes: FxHashMap<OwnedAttributeDiscription, OwnedAttributeValue>,
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listeners: FxHashSet<String>,
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},
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Placeholder,
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}
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impl<S: State> Node<S> {
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pub(crate) fn new(node_type: NodeType) -> Self {
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Node {
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state: S::default(),
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node_data: NodeData {
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element_id: None,
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node_type,
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node_id: NodeId(0),
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},
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}
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}
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/// get the mounted id of the node
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pub fn mounted_id(&self) -> Option<ElementId> {
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self.node_data.element_id
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}
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}
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#[derive(Debug, Clone, Hash, PartialEq, Eq)]
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pub struct OwnedAttributeDiscription {
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pub name: String,
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pub namespace: Option<String>,
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pub volatile: bool,
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}
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/// An attribute on a DOM node, such as `id="my-thing"` or
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/// `href="https://example.com"`.
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#[derive(Clone, Copy, Debug)]
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pub struct OwnedAttributeView<'a> {
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/// The discription of the attribute.
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pub attribute: &'a OwnedAttributeDiscription,
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/// The value of the attribute.
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pub value: &'a OwnedAttributeValue,
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}
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#[derive(Clone, Debug)]
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pub enum OwnedAttributeValue {
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Text(String),
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Float(f32),
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Int(i32),
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Bool(bool),
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None,
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}
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impl OwnedAttributeValue {
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pub fn as_text(&self) -> Option<&str> {
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match self {
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OwnedAttributeValue::Text(text) => Some(text),
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_ => None,
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}
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}
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pub fn as_float(&self) -> Option<f32> {
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match self {
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OwnedAttributeValue::Float(float) => Some(*float),
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_ => None,
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}
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}
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pub fn as_int(&self) -> Option<i32> {
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match self {
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OwnedAttributeValue::Int(int) => Some(*int),
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_ => None,
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}
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}
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pub fn as_bool(&self) -> Option<bool> {
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match self {
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OwnedAttributeValue::Bool(bool) => Some(*bool),
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_ => None,
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}
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}
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pub fn as_none(&self) -> Option<()> {
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match self {
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OwnedAttributeValue::None => Some(()),
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_ => None,
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}
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}
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}
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