Add tooltips for the remaining buttons in AnnotationPanel (#448)

Author: jgonggrijp

frontend/src/i18n/en/translation.json

@@ -166,6 +166,8 @@
         "open-related": "View items that are related to the current item",
         "open-annotations": "View all places where this item has been annotated",
         "open-external": "View links to external resources about this item",
+        "edit-annotation": "Change the properties of this item",
+        "clone-annotation": "Create a new annotation at the same position",
         "view-operator-docs": "View documentation of search operators",
         "toggle-metadata": "Show / hide the source metadata",
         "toggle-annotations": "Show / hide annotations"

frontend/src/i18n/en/translation_old.json

@@ -3,7 +3,9 @@
         "explore-menu": "Get a random selection of reading experiences and annotations",
         "open-related": "View items that are related to the current item",
         "open-annotations": "View all places where this item has been annotated",
-        "open-external": "View links to external resources about this item"
+        "open-external": "View links to external resources about this item",
+        "edit-annotation": "Change the properties of this item",
+        "clone-annotation": "Create a new annotation at the same position"
     },
     "annotation": {
         "edit-info": {

frontend/src/i18n/fr/translation.json

@@ -166,6 +166,8 @@
         "open-related": "View items that are related to the current item",
         "open-annotations": "View all places where this item has been annotated",
         "open-external": "View links to external resources about this item",
+        "edit-annotation": "Change the properties of this item",
+        "clone-annotation": "Create a new annotation at the same position",
         "view-operator-docs": "View documentation of search operators",
         "toggle-metadata": "Show / hide the source metadata",
         "toggle-annotations": "Show / hide annotations"

frontend/src/panel-annotation/annotation-view.ts

@@ -36,6 +36,16 @@ const tooltipData = {
         'tooltip.open-external',
         'View links to external resources about this item',
     ],
+    'top .btn-edit': [
+        // i18next.t('tooltip.edit-annotation')
+        'tooltip.edit-annotation',
+        'Change the properties of this item',
+    ],
+    'top .btn-new': [
+        // i18next.t('tooltip.clone-annotation')
+        'tooltip.clone-annotation',
+        'Create a new annotation at the same position',
+    ],
 };
 const tooltips = mapValues(tooltipData, ([key, defaultValue]) => {
     const model = new Model;