An event to hook into before a block in dropped into the canvas

Hi @chrisijoyah did you try using canvas:dragdata? Here an example of usage https://jsfiddle.net/artur_arseniev/87rcb24n/

Hi @chrisijoyah did you try using canvas:dragdata? Here an example of usage https://jsfiddle.net/artur_arseniev/87rcb24n/

Does this mean I can prevent the dropped model from being added to the Canvas. Ideally I want to carry out some checks to determine if the dragged block can be dropped into a section and If it doesn't pass the checks I want to prevent that before its added. Is there a way I can do this. Can I do something like result.content= ''

or something like...

editor.on('canvas:before:drop', (model) => {
    if (condition) {
        return true;
    }
    return false;
});

Can I do something like result.content= ''

Yeah, you should be able to do that with that trick. Can you tell me more about your use case, what kind of check are you trying to perform?

Thanks for reporting this, @chrisijoyah.

Great suggestion about FEAT: An event to hook into before a block in dropped into the canvas! While this specific feature isn't yet in the core API, there are several ways to achieve similar behavior.

Using the event system:

editor.on('component:update', (component) => {
  // your logic here
});

Alternative approaches:

• Listen to selector:add for CSS selector changes
• Use selector:custom for custom rules
• Tap into the change:* events for fine-grained tracking
• Build a plugin that extends the editor with this capability

Making it official: If this feature would benefit many users, consider opening a formal Feature Request on the GrapesJS repo with:

• A detailed use case
• Code example showing the desired behavior
• Why this matters for your workflow

The core team is receptive to well-motivated feature requests backed by real use cases.