Initial commit0.1.0

1 files changed, 67 insertions, 0 deletions

diff --git a/frontend/src/lib/reader/PageView.svelte b/frontend/src/lib/reader/PageView.svelte
new file mode 100644
index 0000000..cc4d10e
--- /dev/null
+++ b/frontend/src/lib/reader/PageView.svelte
@@ -0,0 +1,67 @@
+<script lang="ts">
+	import { Direction, Layout, type PageFragment } from '$gql/graphql';
+	import { getReaderContext, partition, type Chunk } from '$lib/Reader';
+	import { binds } from '$lib/Shortcuts';
+	import ReaderPage from './ReaderPage.svelte';
+
+	const reader = getReaderContext();
+
+	export let direction: Direction;
+	export let layout: Layout;
+
+	let chunks: Chunk[] = [];
+	let lookup: number[] = [];
+
+	let main: PageFragment;
+	let secondary: PageFragment | undefined;
+
+	function gotoChunk(to: number) {
+		if (to < 0 || to >= chunks.length) return;
+
+		$reader.page = chunks[to].index;
+	}
+
+	const next = () => gotoChunk(lookup[$reader.page] + 1);
+	const prev = () => gotoChunk(lookup[$reader.page] - 1);
+
+	const clickLeft = () => (direction === Direction.LeftToRight ? prev() : next());
+	const clickRight = () => (direction === Direction.RightToLeft ? prev() : next());
+
+	function clickMain(event: MouseEvent & { currentTarget: EventTarget | null }) {
+		if (event.currentTarget instanceof Element) {
+			const rect = event.currentTarget.getBoundingClientRect();
+
+			if (event.clientX - rect.left < rect.width / 2) {
+				clickLeft();
+			} else {
+				clickRight();
+			}
+		}
+	}
+
+	$: [chunks, lookup] = partition($reader.pages, layout);
+	$: layout, ({ main, secondary } = chunks[lookup[$reader.page]]);
+</script>
+
+<svelte:document
+	use:binds={[
+		['ArrowLeft', clickLeft],
+		['ArrowRight', clickRight],
+		['ArrowUp', prev],
+		['ArrowDown', next],
+		['PageUp', prev],
+		['PageDown', next],
+		[' ', next],
+		['Backspace', prev]
+	]}
+/>
+
+{#if !secondary}
+	<ReaderPage page={main} on:click={clickMain} --justify="center" />
+{:else if direction === Direction.LeftToRight}
+	<ReaderPage page={main} on:click={prev} --justify="flex-end" />
+	<ReaderPage page={secondary} on:click={next} --justify="flex-start" />
+{:else}
+	<ReaderPage page={secondary} on:click={next} --justify="flex-end" />
+	<ReaderPage page={main} on:click={prev} --justify="flex-start" />
+{/if}