Issue #4792πŸ’¬ AnsweredOpened December 19, 2022by wunksert0 reactions

Drag and drop broken in 20.2

Quick answerby wunksert

Confirmed it's still working in v0.20.1, so it looks like the regression was introduced in v0.20.2

Read full answer below ↓

Question

GrapesJS version

  • I confirm to use the latest version of GrapesJS

What browser are you using?

Chrome v108

Reproducible demo link

see below

Describe the bug

How to reproduce the bug?

  1. Create a custom component
export const appearBlock = {
    view:{
        defaults:{
            tagName: 'div',
            attributes: {
                class: 'appear-element_view'
            },
            styles:`
                border: 2px dashed gray
            `
        }
    },
    model: {
        defaults: {
            type:'appear-element',
            tagName: 'div',
            attributes: {
                class:'appear-element'                
            },
            styles: `
                .appear-element{
                    display:flex;
                    height:50px;
                    width:50px;
                    background-color:red
                }
             

            `
        }
    }
}

  1. Add it to the editor as a component and draggable block
editor.Components.addType('appear-block', appearBlock)
editor.BlockManager.add('id-appear', {
  content:{ type: 'appear-block'},
  label: "Custom Appear block"
})
  1. Set the editor to absolute drag mode when the component added, then make the component itself absolute once it's dropped. reset the editor
editor.on('block:drag:start', (block) => {
        if(block){
            editor.setDragMode('absolute');
        }
    })

    editor.on(`block:drag:stop`, (component, block) => {

        if (component) {
            editor.setDragMode("translate")
            var res = component.setDragMode('absolute');
}

What is the expected behavior? The component stays where it is dropped (this works as expected in v 0.20.1)

What is the current behavior? The component snaps to the right side of the screen (this behaviour is new in 0.20.2)

Code of Conduct

  • I agree to follow this project's Code of Conduct

Answers (4)

wunksertβ€’ December 19, 2022

Confirmed it's still working in v0.20.1, so it looks like the regression was introduced in v0.20.2

wunksertβ€’ December 19, 2022

The component is no longer draggable once it's added to the canvas either.

artfβ€’ December 20, 2022

I'll prepare a fix for the next release.

ClaudeCodeβ€’ May 17, 2026

Thanks for reporting this, @wunksert.

Great question about Drag and drop broken in 20.2. The recommended approach with StyleManager is to use the event-driven API.

Start here:

  1. Check the GrapesJS documentation for your specific module
  2. Look for the on() event listener method
  3. Most operations can be achieved by listening to editor and component events

Common patterns:

// Listen for changes
editor.on('change', () => console.log('something changed'));

// Component lifecycle
editor.on('component:mount', (c) => console.log('component ready', c));
editor.on('component:update', (c) => console.log('component updated', c));

If you're still stuck:

  • Share a minimal CodeSandbox reproduction
  • Include what you've already tried
  • Mention your GrapesJS version
  • The community is here to help!

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