refactor: extract editor dom selection runtime

rust/spikes/leptos-tiptap-spike/src/editor_runtime/dom_selection.rs

@@ -0,0 +1,105 @@
+use leptos_tiptap::TiptapSelectionState;
+use web_sys::{window, Element, Node};
+
+use crate::editor_root_element;
+
+pub(crate) fn node_is_within_root(node: Node, root: &Element) -> bool {
+    let mut current = Some(node);
+    while let Some(node) = current {
+        if node.is_same_node(Some(root)) {
+            return true;
+        }
+        current = node.parent_node();
+    }
+    false
+}
+
+pub(crate) fn active_editor_text_selection() -> Option<web_sys::Selection> {
+    let selection = window().and_then(|win| win.get_selection().ok().flatten())?;
+    if selection.is_collapsed() {
+        return None;
+    }
+
+    let root = editor_root_element()?;
+    let anchor_inside = selection
+        .anchor_node()
+        .map(|node| node_is_within_root(node, &root))
+        .unwrap_or(false);
+    let focus_inside = selection
+        .focus_node()
+        .map(|node| node_is_within_root(node, &root))
+        .unwrap_or(false);
+
+    if anchor_inside || focus_inside {
+        Some(selection)
+    } else {
+        None
+    }
+}
+
+pub(crate) fn has_active_text_selection() -> bool {
+    active_editor_text_selection().is_some()
+}
+
+pub(crate) fn selection_summary(selection: &TiptapSelectionState) -> String {
+    let block = if selection.h1 {
+        "一级标题"
+    } else if selection.h2 {
+        "二级标题"
+    } else if selection.h3 {
+        "三级标题"
+    } else if selection.task_list {
+        "Todo 列表"
+    } else if selection.ordered_list {
+        "有序列表"
+    } else if selection.bullet_list {
+        "无序列表"
+    } else if selection.blockquote {
+        "引用块"
+    } else if selection.paragraph {
+        "段落"
+    } else {
+        "未定位"
+    };
+
+    let mut marks = Vec::new();
+    if selection.bold {
+        marks.push("Bold");
+    }
+    if selection.italic {
+        marks.push("Italic");
+    }
+    if selection.underline {
+        marks.push("Underline");
+    }
+    if selection.strike {
+        marks.push("Strike");
+    }
+    if selection.highlight {
+        marks.push("Highlight");
+    }
+    if selection.text_style {
+        marks.push("Color");
+    }
+    if selection.link {
+        marks.push("Link");
+    }
+
+    let mark_text = if marks.is_empty() {
+        "无行内样式".to_string()
+    } else {
+        marks.join(" / ")
+    };
+
+    format!("当前块：{block} | 行内样式：{mark_text}")
+}
+
+pub(crate) fn selection_has_rich_marks(selection: &TiptapSelectionState) -> bool {
+    selection.bold
+        || selection.italic
+        || selection.underline
+        || selection.strike
+        || selection.highlight
+        || selection.text_style
+        || selection.link
+}

rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs

@@ -1,5 +1,6 @@
 pub(crate) mod attachment_links;
 pub(crate) mod attachment_upload;
 pub(crate) mod command_sync;
+pub(crate) mod dom_selection;
 pub(crate) mod history_safe_commands;
 pub(crate) mod persistence;