6002b37406
Complete UI layer refactoring to achieve Clean Architecture + TEA principles. Major Changes: - Eliminated sync.rs (76 LOC of manual synchronization) - Restructured AppModel: pure UI state only - Introduced AppMode enum (View, Crop, Transform, Fullscreen) - Added Viewport struct (scale, pan, canvas, cached_image_handle) - Added PanelState struct (left, right panels) - Removed all cached document data from UI layer - Views now access DocumentManager directly (no caching) - Update functions work on both model and manager directly Architecture: - TEA-compliant: Single source of truth, unidirectional flow - Clean separation: UI state vs Document state - No manual synchronization required Benefits: - Simplified codebase: -1,986 LOC net (-75.6%) - Better maintainability: Clear responsibilities - Type-safe state: Enums instead of flags - Performance: Cached rendering where needed Refactored Files: - src/ui/model.rs: Complete rewrite - src/ui/update.rs: Complete rewrite - src/ui/views/*: Updated to use new architecture - src/ui/views/meta_panel.rs: Extracted from panels.rs Testing: - All 24 unit tests passing - Compiles successfully (cargo check, cargo build) - 32 warnings (non-critical, future features) BREAKING CHANGES: None (internal refactoring only) Co-authored-by: Clean Architecture principles Co-authored-by: TEA (The Elm Architecture) pattern
74 lines
1.8 KiB
Rust
74 lines
1.8 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-or-later
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// src/domain/document/core/page.rs
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//
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// Page abstraction for multi-page documents.
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use cosmic::widget::image::Handle as ImageHandle;
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/// Represents a single page in a multi-page document.
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#[derive(Debug, Clone)]
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#[allow(dead_code)]
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pub struct Page {
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/// Page index (0-based).
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pub index: usize,
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/// Page width in pixels.
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pub width: u32,
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/// Page height in pixels.
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pub height: u32,
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/// Optional thumbnail handle.
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pub thumbnail: Option<ImageHandle>,
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}
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impl Page {
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/// Create a new page.
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#[must_use]
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pub fn new(index: usize, width: u32, height: u32) -> Self {
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Self {
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index,
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width,
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height,
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thumbnail: None,
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}
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}
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/// Create a page with a thumbnail.
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#[must_use]
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pub fn with_thumbnail(index: usize, width: u32, height: u32, thumbnail: ImageHandle) -> Self {
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Self {
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index,
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width,
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height,
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thumbnail: Some(thumbnail),
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}
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}
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/// Set the thumbnail for this page.
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pub fn set_thumbnail(&mut self, thumbnail: ImageHandle) {
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self.thumbnail = Some(thumbnail);
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}
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/// Check if this page has a thumbnail.
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#[must_use]
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pub fn has_thumbnail(&self) -> bool {
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self.thumbnail.is_some()
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}
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/// Get the aspect ratio of the page.
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#[must_use]
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pub fn aspect_ratio(&self) -> f32 {
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if self.height == 0 {
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1.0
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} else {
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#[allow(clippy::cast_precision_loss)]
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{
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self.width as f32 / self.height as f32
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}
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}
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}
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/// Get page dimensions as a tuple.
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#[must_use]
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pub fn dimensions(&self) -> (u32, u32) {
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(self.width, self.height)
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}
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}
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