From d6c72821de9c2611f86721130ed8614e65d160c8 Mon Sep 17 00:00:00 2001
From: kovacsv <viktorkovacs@gmail.com>
Date: Sat, 15 Jan 2022 13:00:49 +0100
Subject: [PATCH] Fix crash when drag&dropping non-file object.

---
 assets/images/ecosystem.svg | 599 ++++++++++++++++++++++++++++++++++++
 source/website/utils.js     |   5 +-
 source/website/website.js   |   6 +-
 3 files changed, 608 insertions(+), 2 deletions(-)
 create mode 100644 assets/images/ecosystem.svg

diff --git a/assets/images/ecosystem.svg b/assets/images/ecosystem.svg
new file mode 100644
index 0000000..9634c49
--- /dev/null
+++ b/assets/images/ecosystem.svg
@@ -0,0 +1,599 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+
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+   height="800"
+   viewBox="0 0 317.5 211.66666"
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+   inkscape:export-filename="C:\Users\Viktor\GitRepos\Online3DViewer\assets\images\dropbox_tutorial.png"
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+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
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+    <text
+       xml:space="preserve"
+       style="font-size:10.5833px;line-height:1.25;font-family:Quicksand;-inkscape-font-specification:Quicksand;letter-spacing:0px;word-spacing:0px;stroke-width:0.264583"
+       x="65.767853"
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+         sodipodi:role="line"
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+    <text
+       xml:space="preserve"
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+         sodipodi:role="line"
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+    <text
+       xml:space="preserve"
+       style="font-size:10.5833px;line-height:1.25;font-family:Quicksand;-inkscape-font-specification:Quicksand;letter-spacing:0px;word-spacing:0px;stroke-width:0.264583"
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+  </g>
+</svg>
diff --git a/source/website/utils.js b/source/website/utils.js
index b9edc78..41919df 100644
--- a/source/website/utils.js
+++ b/source/website/utils.js
@@ -246,7 +246,10 @@ export function GetFilesFromDataTransfer (dataTransfer, onReady)
     if (getAsEntryFunc !== null) {
         let entries = [];
         for (let item of dataTransfer.items) {
-            entries.push (getAsEntryFunc.call (item));
+            let entry = getAsEntryFunc.call (item);
+            if (entry !== null) {
+                entries.push (entry);
+            }
         }
         GetFileObjectsFromEntries (entries, (allEntries) => {
             onReady (allEntries);
diff --git a/source/website/website.js b/source/website/website.js
index b274321..59a0fb8 100644
--- a/source/website/website.js
+++ b/source/website/website.js
@@ -398,7 +398,11 @@ export class Website
                 let importer = this.modelLoaderUI.GetImporter ();
                 let fileList = importer.GetFileList ().GetFiles ();
                 for (let i = 0; i < fileList.length; i++) {
-                    extensions.push (fileList[i].extension);
+                    let extension = fileList[i].extension;
+                    if (extension.length === 0) {
+                        extension = '(no ext)';
+                    }
+                    extensions.push (extension);
                 }
                 let extensionsStr = extensions.join (',');
                 if (importError.code === ImportErrorCode.NoImportableFile) {