From 698c865b39f35ed6db7f13eb7f9f7085cd68858c Mon Sep 17 00:00:00 2001
From: Julien Calixte <juliencalixte@gmail.com>
Date: Sun, 14 Mar 2021 15:21:14 +0100
Subject: [PATCH] :sparkles: (stacked notes) implements overlay

---
 src/components/StackedNote.vue   | 50 ++++++++++++++---
 src/hooks/useNote.hook.ts        | 16 +++++-
 src/hooks/useNoteOverlay.hook.ts | 27 +++++++++
 src/hooks/useOverlay.hook.ts     | 27 +++++++++
 src/styles/app.scss              |  3 +-
 src/views/Home.vue               | 94 ++++++++++++++++++++------------
 6 files changed, 172 insertions(+), 45 deletions(-)
 create mode 100644 src/hooks/useNoteOverlay.hook.ts
 create mode 100644 src/hooks/useOverlay.hook.ts

diff --git a/src/components/StackedNote.vue b/src/components/StackedNote.vue
index ee0b977..57a965b 100644
--- a/src/components/StackedNote.vue
+++ b/src/components/StackedNote.vue
@@ -1,22 +1,35 @@
 <template>
-  <div class="stacked-note" v-html="content"></div>
+  <div
+    class="stacked-note"
+    :class="{ [className]: true, overlay: displayNoteOverlay }"
+  >
+    <div class="title-stacked-note" :class="titleClassName">{{ title }}</div>
+    <section v-html="content"></section>
+  </div>
 </template>
 
 <script lang="ts">
-import { defineComponent, nextTick, watch } from 'vue'
+import { computed, defineComponent, nextTick, watch } from 'vue'
 import { useFile } from '@/hooks/useFile.hook'
 import { useLinks } from '@/hooks/useLinks.hook'
+import { useNoteOverlay } from '@/hooks/useNoteOverlay.hook'
 
 export default defineComponent({
   name: 'StackedNote',
   props: {
+    index: { type: Number, required: true },
     user: { type: String, required: true },
     repo: { type: String, required: true },
+    title: { type: String, required: true },
     sha: { type: String, required: true }
   },
   setup(props) {
     const { content } = useFile(props.user, props.repo, props.sha)
     const { listenToClick } = useLinks('stacked-note', props.sha)
+    const className = computed(() => `stacked-note-${props.index}`)
+    const titleClassName = computed(() => `title-${className.value}`)
+
+    const { displayNoteOverlay } = useNoteOverlay(className.value, props.index)
 
     watch(content, () => {
       if (content.value) {
@@ -26,24 +39,43 @@ export default defineComponent({
       }
     })
 
-    return { content }
+    return { content, titleClassName, className, displayNoteOverlay }
   }
 })
 </script>
 
 <style lang="scss" scoped>
+$border-color: rgba(18, 19, 58, 0.2);
+
 .stacked-note {
-  text-align: left;
-  border-top: 1px solid rgba(18, 19, 58, 0.2);
-  padding: 0 1rem;
-  overflow-y: auto;
-  height: 100vh;
+  padding: 1rem 3rem;
+
+  transition: cubic-bezier(0.39, 0.575, 0.565, 1) 0.3s;
+
+  &.overlay {
+    box-shadow: -3px 0 0.4em $border-color;
+  }
+}
+
+.title-stacked-note {
+  position: absolute;
+  transform-origin: 0 0;
+  transform: rotate(90deg);
+  top: 1rem;
+  left: 1.5rem;
+  direction: rtl;
+}
+
+@media screen and (max-width: 768px) {
+  .title-stacked-note {
+    display: none;
+  }
 }
 
 @media screen and (min-width: 769px) {
   .stacked-note {
     border-top: 0;
-    border-left: 1px solid rgba(18, 19, 58, 0.2);
+    border-left: 1px solid $border-color;
   }
 }
 </style>
diff --git a/src/hooks/useNote.hook.ts b/src/hooks/useNote.hook.ts
index 12972d4..f11b120 100644
--- a/src/hooks/useNote.hook.ts
+++ b/src/hooks/useNote.hook.ts
@@ -1,5 +1,5 @@
 import { Ref, ref } from '@vue/reactivity'
-import { nextTick, onUnmounted, watch } from '@vue/runtime-core'
+import { computed, nextTick, onUnmounted, watch } from '@vue/runtime-core'
 import { useRoute, useRouter } from 'vue-router'
 
 import { noteEventBus } from '@/bus/noteBusEvent'
@@ -26,6 +26,19 @@ export const useNote = (user: Ref<string>, repo: Ref<string>) => {
 
   const { readme, notFound, tree } = useRepo(user, repo)
   const { listenToClick } = useLinks('note-display')
+  const titles = computed(() => {
+    return stackedNotes.value.reduce((obj: Record<string, string>, note) => {
+      if (!note) {
+        return obj
+      }
+      const filePath = tree.value.find((file) => file.sha === note)?.path ?? ''
+      const fileNames = filePath.split('.')
+      fileNames.pop()
+      obj[note] = fileNames.join('.')
+
+      return obj
+    }, {})
+  })
 
   const unsubscribe = noteEventBus.addEventBusListener(
     ({ path, currentNoteSHA }) => {
@@ -93,6 +106,7 @@ export const useNote = (user: Ref<string>, repo: Ref<string>) => {
   })
 
   return {
+    titles,
     readme,
     notFound,
     stackedNotes
diff --git a/src/hooks/useNoteOverlay.hook.ts b/src/hooks/useNoteOverlay.hook.ts
new file mode 100644
index 0000000..0456c49
--- /dev/null
+++ b/src/hooks/useNoteOverlay.hook.ts
@@ -0,0 +1,27 @@
+import { computed, onMounted } from '@vue/runtime-core'
+
+import { useOverlay } from '@/hooks/useOverlay.hook'
+
+const BOOKMARK_WIDTH = 2
+const NOTE_WIDTH = 620
+
+export const useNoteOverlay = (className: string, index: number) => {
+  const { x } = useOverlay()
+  const displayNoteOverlay = computed(() => x.value > index * NOTE_WIDTH)
+
+  onMounted(() => {
+    const noteElement = document.querySelector(
+      `.${className}`
+    ) as HTMLElement | null
+
+    if (!noteElement) {
+      return
+    }
+
+    noteElement.style.left = `${(index + 1) * BOOKMARK_WIDTH}rem`
+  })
+
+  return {
+    displayNoteOverlay
+  }
+}
diff --git a/src/hooks/useOverlay.hook.ts b/src/hooks/useOverlay.hook.ts
new file mode 100644
index 0000000..af62c3e
--- /dev/null
+++ b/src/hooks/useOverlay.hook.ts
@@ -0,0 +1,27 @@
+import { onMounted, ref } from 'vue'
+
+import { useEventListener } from '@vueuse/core'
+
+export const useOverlay = () => {
+  const x = ref(0)
+
+  onMounted(() => {
+    const element = document.querySelector('body')
+
+    useEventListener(
+      element,
+      'scroll',
+      (e) => {
+        const target = e.target as HTMLElement
+        x.value = target.scrollLeft
+      },
+      {
+        passive: true,
+        capture: false
+      }
+    )
+  })
+  return {
+    x
+  }
+}
diff --git a/src/styles/app.scss b/src/styles/app.scss
index ebf6f06..0034a62 100644
--- a/src/styles/app.scss
+++ b/src/styles/app.scss
@@ -4,12 +4,13 @@
 
 html {
   overflow-y: auto;
+  overflow-x: auto;
 }
 
 body {
   font-family: 'Courier Prime', monospace;
-  text-align: center;
   height: 100vh;
+  // width: 5000px;
 }
 
 @media screen and (min-width: 769px) {
diff --git a/src/views/Home.vue b/src/views/Home.vue
index 5f5120f..2ac607d 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -27,35 +27,37 @@
       </button>
     </form>
   </div>
-  <div class="home content" v-else>
-    <hr v-if="notFound" />
-    <div v-if="notFound" class="columns is-centered">
+  <div v-else-if="notFound">
+    <hr />
+    <div class="columns is-centered">
       <div class="column is-one-third notification is-warning" v-if="notFound">
         Not found.
       </div>
     </div>
-    <div class="note-container">
-      <div class="readme">
-        <h1 class="title is-1">
-          <router-link
-            :to="{ name: 'Home', params: { user, repo } }"
-            :key="routeKey"
-          >
-            {{ repo }}
-          </router-link>
-        </h1>
-        <h2 class="subtitle is-2">{{ user }}</h2>
-        <p class="note-display" v-html="readme"></p>
-      </div>
-      <stacked-note
-        class="note"
-        v-for="stackedNote in stackedNotes"
-        :key="stackedNote"
-        :user="user"
-        :repo="repo"
-        :sha="stackedNote"
-      />
+  </div>
+  <div class="home content note-container" v-else>
+    <div class="readme note">
+      <h1 class="title is-1">
+        <router-link
+          :to="{ name: 'Home', params: { user, repo } }"
+          :key="routeKey"
+        >
+          {{ repo }}
+        </router-link>
+      </h1>
+      <h2 class="subtitle is-2">{{ user }}</h2>
+      <p class="note-display" v-html="readme"></p>
     </div>
+    <stacked-note
+      class="note"
+      v-for="(stackedNote, index) in stackedNotes"
+      :key="stackedNote"
+      :index="index"
+      :user="user"
+      :repo="repo"
+      :sha="stackedNote"
+      :title="titles[stackedNote]"
+    />
   </div>
 </template>
 
@@ -79,6 +81,7 @@ export default defineComponent({
   },
   setup(props) {
     const refProps = toRefs(props)
+
     return {
       ...useNote(refProps.user, refProps.repo),
       ...useForm(),
@@ -91,20 +94,43 @@ export default defineComponent({
 <style lang="scss" scoped>
 .home {
   display: flex;
-  flex-direction: column;
+  width: 100%;
 
-  @media screen and (min-width: 769px) {
-    .readme,
-    .note {
-      min-width: 620px;
-      max-width: 720px;
+  .readme {
+    position: sticky;
+    left: 0;
+    padding: 0 2rem 1rem;
+  }
+
+  .note {
+    text-align: left;
+    overflow-y: auto;
+    height: 100vh;
+    position: sticky;
+    background-color: #fff;
+
+    &:not(:first-child) {
+      border-top: 1px solid rgba(18, 19, 58, 0.2);
     }
   }
 
-  .note-container {
-    flex: 1;
-    display: flex;
-    overflow-x: auto;
+  @media screen and (min-width: 769px) {
+    .note {
+      min-width: 620px;
+      max-width: 620px;
+    }
+  }
+}
+
+@media screen and (max-width: 768px) {
+  .home {
+    flex-wrap: wrap;
+
+    .note {
+      position: initial;
+      width: 100vw;
+      height: auto;
+    }
   }
 }
 </style>