From 93dcce2217d06a0ae6a3f35848bc638754512159 Mon Sep 17 00:00:00 2001
From: zadam <zadam.apps@gmail.com>
Date: Mon, 27 Nov 2023 10:38:19 +0100
Subject: [PATCH] dragging notes from note tree will automatically insert them
 as images where appropriate (image, canvas, mermaid)

---
 src/public/app/services/link.js     | 11 +++++++++++
 src/public/app/widgets/note_tree.js |  4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/public/app/services/link.js b/src/public/app/services/link.js
index 73ad58704..cee987305 100644
--- a/src/public/app/services/link.js
+++ b/src/public/app/services/link.js
@@ -42,6 +42,7 @@ async function createLink(notePath, options = {}) {
     const showNotePath = options.showNotePath === undefined ? false : options.showNotePath;
     const showNoteIcon = options.showNoteIcon === undefined ? false : options.showNoteIcon;
     const referenceLink = options.referenceLink === undefined ? false : options.referenceLink;
+    const autoConvertToImage = options.autoConvertToImage === undefined ? false : options.autoConvertToImage;
 
     const { noteId, parentNoteId } = treeService.getNoteIdAndParentIdFromUrl(notePath);
     const viewScope = options.viewScope || {};
@@ -58,6 +59,16 @@ async function createLink(notePath, options = {}) {
         }
     }
 
+    const note = await froca.getNote(noteId);
+
+    if (autoConvertToImage && ['image', 'canvas', 'mermaid'].includes(note.type) && viewMode === 'default') {
+        const encodedTitle = encodeURIComponent(linkTitle);
+
+        return $("<img>")
+            .attr("src", `api/images/${noteId}/${encodedTitle}?${Math.random()}`)
+            .attr("alt", linkTitle);
+    }
+
     const $container = $("<span>");
 
     if (showNoteIcon) {
diff --git a/src/public/app/widgets/note_tree.js b/src/public/app/widgets/note_tree.js
index ad0d41a87..6f70fc78f 100644
--- a/src/public/app/widgets/note_tree.js
+++ b/src/public/app/widgets/note_tree.js
@@ -402,11 +402,11 @@ export default class NoteTreeWidget extends NoteContextAwareWidget {
                     }));
 
                     if (notes.length === 1) {
-                        linkService.createLink(notes[0].noteId, {referenceLink: true})
+                        linkService.createLink(notes[0].noteId, {referenceLink: true, autoConvertToImage: true})
                             .then($link => data.dataTransfer.setData("text/html", $link[0].outerHTML));
                     }
                     else {
-                        Promise.all(notes.map(note => linkService.createLink(note.noteId, {referenceLink: true}))).then(links => {
+                        Promise.all(notes.map(note => linkService.createLink(note.noteId, {referenceLink: true, autoConvertToImage: true}))).then(links => {
                             const $list = $("<ul>").append(...links.map($link => $("<li>").append($link)));
 
                             data.dataTransfer.setData("text/html", $list[0].outerHTML);