Prevent drop things from outside of grapesjs

[ronaldohoch]

Hello!

I can drop things from outside of grapesjs, things like text and images. From files or other websites.

Is there a way to prevent this?

Thank you.

[artf]

Right now you can rely on something like canvas:dragdata and dragContent to understand if the content to drop is an external one

editor.on('canvas:dragdata', (dataTransfer, result) => {
  const isExternal = !editor.getModel().get('dragContent');
  if (isExternal) {
    // with a falsy `content`, nothing will be created
    result.content = null;
   }
});

The only problem is the editor would still allow to choice where to drop the content.

I'll try to see if it's possible to introduce a new config option that prevents, completely, external elements (eg. config.canvas.allowExternalDrop)

[ronaldohoch]

Thank you a lot!