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use egui::TextEdit;
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use egui_commonmark::{CommonMarkCache, CommonMarkViewer};
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use serde::{self, Deserialize, Serialize};
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use crate::{PROJECT_FOLDER, editors::tags::Tag, util};
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pub struct MainEditor {
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pub content: ContentSection,
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pub show_editor: bool,
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pub show_preview: bool,
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preview_cache: CommonMarkCache,
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}
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impl Clone for MainEditor {
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fn clone(&self) -> Self {
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Self {
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content: self.content.clone(),
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show_editor: self.show_editor,
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show_preview: self.show_preview,
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preview_cache: CommonMarkCache::default(),
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}
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}
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}
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#[derive(Serialize, Deserialize, Clone, Debug)]
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pub struct ContentSection {
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#[serde(default)]
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pub title: String,
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#[serde(default)]
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pub id: String,
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#[serde(default)]
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pub description: String,
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#[serde(default)]
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pub tags: Vec<String>,
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#[serde(default)]
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pub content: String,
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// parent id
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#[serde(default)]
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pub parent: Option<String>,
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#[serde(skip)]
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pub saved: bool,
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}
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impl ContentSection {
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pub fn new() -> Self {
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Self {
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title: String::new(),
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id: uuid::Uuid::new_v4().to_string(),
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description: String::new(),
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tags: Vec::new(),
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content: String::new(),
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parent: None,
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saved: false,
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}
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}
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pub fn save(&mut self) -> Result<(), Box<dyn std::error::Error>> {
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let path = PROJECT_FOLDER
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.join("documents")
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.join(format!("{}.json", &self.id));
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let content = serde_json::to_string_pretty(self)?;
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std::fs::write(path, content)?;
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self.saved = true;
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Ok(())
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}
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pub fn load(id: &str) -> Result<Self, Box<dyn std::error::Error>> {
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let path = PROJECT_FOLDER.join("documents").join(format!("{id}.json"));
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let content = std::fs::read_to_string(&path)?;
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let mut section: Self = serde_json::from_str(&content)?;
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section.saved = true;
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section.id = id.to_string();
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Ok(section)
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}
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pub fn create_child(&self) -> Self {
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let mut child = Self::new();
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child.title = format!("{} (Child)", self.title);
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child.parent = Some(self.id.clone());
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child
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}
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}
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impl MainEditor {
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pub fn new() -> Self {
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Self {
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content: ContentSection::new(),
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show_editor: false, // Start with editor hidden
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show_preview: true,
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preview_cache: CommonMarkCache::default(),
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}
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}
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pub fn open(content: ContentSection) -> Self {
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Self {
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content,
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show_editor: true,
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show_preview: true,
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preview_cache: CommonMarkCache::default(),
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}
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}
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pub fn ui(&mut self, ctx: &egui::Context) {
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// Show the editor window if enabled
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let mut show = self.show_editor;
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if show {
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egui::Window::new("Markdown Editor")
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.resizable(true)
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.default_width(1000.0)
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.default_height(800.0)
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.open(&mut show)
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.show(ctx, |ui| {
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ui.vertical(|ui| {
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// check for Ctrl+S to save
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if ui.input(|i| i.key_pressed(egui::Key::S) && i.modifiers.ctrl) {
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if let Err(e) = self.content.save() {
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eprintln!("Failed to save: {e}");
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}
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}
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// display save state
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util::saved_status(
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ui,
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self.content.saved,
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&self.content.id,
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&self.content.title,
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);
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// Save/Cancel buttons
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ui.horizontal(|ui| {
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// save button
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if ui.button("Save").clicked() {
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if let Err(e) = self.content.save() {
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eprintln!("Failed to save: {e}");
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}
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}
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// create copy button
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if ui.button("Create Copy").clicked() {
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let mut copy = self.clone();
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copy.content.id = uuid::Uuid::new_v4().to_string();
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copy.content.title = format!("{} (Copy)", self.content.title);
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copy.content.save().unwrap();
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}
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// delete button
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if ui.button("Delete").clicked() {
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std::fs::remove_file(
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PROJECT_FOLDER
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.join("documents")
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.join(format!("{}.json", self.content.id)),
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)
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.unwrap();
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*self = Self::new();
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}
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// revert changes button
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if ui.button("Revert changes").clicked() {
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self.content = ContentSection::load(&self.content.id).unwrap();
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}
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// preview toggle
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ui.checkbox(&mut self.show_preview, "Preview");
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});
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});
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ui.separator();
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// Name and description grid
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egui::Grid::new("top_grid")
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.striped(true)
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.num_columns(2)
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.show(ui, |ui| {
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ui.strong("Name");
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if ui
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.add(
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TextEdit::singleline(&mut self.content.title)
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.desired_width(f32::INFINITY)
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.frame(false),
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)
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.changed()
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{
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self.content.saved = false;
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}
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ui.end_row();
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ui.strong("Description");
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if ui
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.add(
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TextEdit::singleline(&mut self.content.description)
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.desired_width(f32::INFINITY)
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.frame(false),
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)
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.changed()
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{
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self.content.saved = false;
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}
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ui.end_row();
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ui.strong("Tags");
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Tag::selector_ui(
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&mut self.content.tags,
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ui,
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Some(&mut self.content.saved),
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);
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ui.end_row();
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});
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ui.separator();
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if self.show_preview {
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self.preview_ui(ui);
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}
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self.editor_ui(ui);
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});
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}
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self.show_editor = show;
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}
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fn preview_ui(&mut self, ui: &mut egui::Ui) {
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// Preview area
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egui::SidePanel::right("preview_panel")
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.resizable(true)
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.default_width(ui.available_width() / 2.0)
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.show_inside(ui, |ui| {
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// Preview area with centered content and max width
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egui::ScrollArea::both()
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.auto_shrink([false, false])
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.id_salt("preview_scroll")
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.show(ui, |ui| {
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let max_width = 600;
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let available_width = ui.available_width();
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let content_width = (max_width as f32).min(available_width);
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let padding = (available_width - content_width) / 2.0;
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ui.horizontal(|ui| {
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ui.add_space(padding);
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ui.vertical(|ui| {
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ui.set_width(content_width);
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ui.add_space(15.0);
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ui.set_min_width(max_width as f32);
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CommonMarkViewer::new()
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.default_width(Some(max_width))
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.max_image_width(Some(512))
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.show(ui, &mut self.preview_cache, &self.content.content);
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});
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});
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});
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});
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}
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fn editor_ui(&mut self, ui: &mut egui::Ui) {
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egui::ScrollArea::both()
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.auto_shrink([false, false])
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.id_salt("editor_scroll")
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.show(ui, |ui| {
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let max_width = 600;
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let available_width = ui.available_width();
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let content_width = (max_width as f32).min(available_width);
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let padding = (available_width - content_width).max(30.0) / 2.0;
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ui.horizontal(|ui| {
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ui.add_space(padding);
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ui.vertical(|ui| {
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ui.set_width(content_width);
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ui.add_space(15.0);
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ui.set_min_width(max_width as f32);
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let text_edit = TextEdit::multiline(&mut self.content.content)
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.id_source("MainEditor_editor")
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.font(egui::TextStyle::Monospace)
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.interactive(true)
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.frame(false)
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.lock_focus(true)
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.hint_text("Type here...")
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.desired_width(max_width as f32);
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if ui
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.add_sized(
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egui::vec2(max_width as f32 - 30.0, ui.available_height()),
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text_edit,
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)
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.changed()
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{
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self.content.saved = false;
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}
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});
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});
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});
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}
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}
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