From 5705b47bbbe581471b1b2aa9beaf703922ca88a6 Mon Sep 17 00:00:00 2001
From: Bachir Soussi Chiadmi <bachir@figureslibres.io>
Date: Thu, 23 Jul 2020 12:02:27 +0200
Subject: [PATCH] toc is scrolling relatively to infinite loading

---
 src/components/Content/EdToc.vue             | 14 +++++++--
 src/components/Content/TocItem.vue           | 31 +++++++++++---------
 src/components/Layouts/MainContentLayout.vue |  2 +-
 3 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/src/components/Content/EdToc.vue b/src/components/Content/EdToc.vue
index 05920d4..759486d 100644
--- a/src/components/Content/EdToc.vue
+++ b/src/components/Content/EdToc.vue
@@ -1,5 +1,5 @@
 <template>
-  <section>
+  <section ref="scrollabletoc">
     <ul>
       <li
         v-for="item in toc"
@@ -11,6 +11,7 @@
           :editionid="$route.params.id"
           :loadedtextsuuids="loadedtextsuuids"
           @onClickTocItem="onClickTocItem"
+          @onScrollToRef="onScrollToRef"
         />
       </li>
     </ul>
@@ -31,11 +32,18 @@ export default {
     loadedtextsuuids: Array
   },
   // watch: {
-  //   loadedtextsuuids (n, o) {
-  //     console.log('EdToc watch loadedtxtsuuids', o, n)
+  //   reftoscrollto: function (newref, oldref) {
+  //     console.log('TOC reftoscrollto watcher', oldref, newref)
+  //     this.scrollToRef()
   //   }
   // },
   methods: {
+    onScrollToRef (uuid) {
+      // console.log('TOC scrollToRef', uuid, this.$refs)
+      this.$scrollTo(`a[uuid="${uuid}"]`, 500, {
+        container: this.$refs.scrollabletoc
+      })
+    },
     onClickTocItem (uuid) {
       this.$emit('onClickTocItem', uuid)
     }
diff --git a/src/components/Content/TocItem.vue b/src/components/Content/TocItem.vue
index fc927ac..44b3be7 100644
--- a/src/components/Content/TocItem.vue
+++ b/src/components/Content/TocItem.vue
@@ -31,6 +31,7 @@
           :editionid="editionid"
           :loadedtextsuuids="loadedtextsuuids"
           @onClickTocItem="onClickTocItem"
+          @onScrollToRef="onScrollToRef"
         />
       </li>
     </ul>
@@ -94,11 +95,15 @@ export default {
     loadedtextsuuids (n, o) {
       // console.log('EdTocItem watch loadedtxtsuuids', o, n)
       this.isOpened = this.loadedtextsuuids.some(e => e.indexOf(this.item.uuid) >= 0)
+    },
+    isOpened (n, o) {
+      // console.log('TocItem watch isOpened', o, n)
+      // if was closed and is opened
+      if (!o && n) {
+        this.onOpened()
+      }
     }
   },
-  // beforeCreate () {
-  //   console.log('editionid', this.editionid)
-  // },
   beforeMount () {
     if (typeof this.$route.params.textid !== 'undefined') {
       this.isOpened = this.$route.params.textid.indexOf(this.item.uuid) >= 0
@@ -106,21 +111,19 @@ export default {
   },
   methods: {
     onclick (e) {
-      console.log('clicked on toc text', this.editionid, e)
-      // if (this.$route.params.textid !== e.target.getAttribute('uuid')) {
-      //   this.$router.push({
-      //     name: `editiontext`,
-      //     params: {
-      //       id: this.editionid,
-      //       textid: e.target.getAttribute('uuid')
-      //     }
-      //   })
-      // } else {
+      // console.log('clicked on toc text', this.editionid, e)
       this.$emit('onClickTocItem', e.target.getAttribute('uuid'))
-      // }
     },
     onClickTocItem (uuid) {
+      // pass the event to parent
       this.$emit('onClickTocItem', uuid)
+    },
+    onOpened () {
+      this.$emit('onScrollToRef', this.item.uuid)
+    },
+    onScrollToRef (uuid) {
+      // pass the event to parent
+      this.$emit('onScrollToRef', uuid)
     }
   }
 
diff --git a/src/components/Layouts/MainContentLayout.vue b/src/components/Layouts/MainContentLayout.vue
index 57e83dc..c33e8d7 100644
--- a/src/components/Layouts/MainContentLayout.vue
+++ b/src/components/Layouts/MainContentLayout.vue
@@ -30,7 +30,7 @@ export default {
   },
   watch: {
     reftoscrollto: function (newref, oldref) {
-      console.log('reftoscrollto watcher', oldref, newref)
+      console.log('MainLayout reftoscrollto watcher', oldref, newref)
       this.scrollToRef()
     }
   },