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bug(DragDrop): cdkDropListDropped fires from source rather than destination #20056

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lukejack opened this issue Jul 21, 2020 · 4 comments · Fixed by #20057
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bug(DragDrop): cdkDropListDropped fires from source rather than destination #20056

lukejack opened this issue Jul 21, 2020 · 4 comments · Fixed by #20057
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@crisbeto
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area: cdk/drag-drop has pr P3

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@lukejack
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@lukejack lukejack commented Jul 21, 2020 •
edited

Reproduction

Stackblitz link:
https://stackblitz.com/edit/angular-ivy-mvaic6

Steps to reproduce:

  1. Create 2 separate cdkDropLists
  2. Put a cdkDrag element in one of the lists
  3. Connect the lists using cdkDropListConnectedTo
  4. On both lists, attach a console.log to cdkDropListDropped, with different logged text for each container
  5. Drag the cdkDrag element from its origin cdkDropList to the other cdkDropList

Expected Behavior

The destination cdkDropList runs the console.log

Actual Behavior

The source cdkDropList runs the console.log

Environment

  • Angular: 10.0.1
  • CDK: 10.0.0, 9.2.4, and 8.2.3
  • Browser(s): Chrome and Edge
@crisbeto
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@crisbeto crisbeto commented Jul 21, 2020

It's because the lists aren't actually connected, because there's no list with an id of abc. When you drop it over the second list it's being treated as if you dropped it somewhere outside the list. We should have a warning that is logged when the passed in id doesn't point to a list.

@lukejack
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@lukejack lukejack commented Jul 21, 2020

Thanks for the quick reply, that has solved my issue.

@lukejack lukejack closed this Jul 21, 2020
@crisbeto
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@crisbeto crisbeto commented Jul 21, 2020

Let's keep the issue open for now, I'll add a warning so it's easier to catch problems like this in the future.

@crisbeto crisbeto reopened this Jul 21, 2020
@crisbeto crisbeto self-assigned this Jul 21, 2020
crisbeto added a commit to crisbeto/material2 that referenced this issue Jul 21, 2020
@crisbeto
fix(drag-drop): warn if connected container ID doesn't exist
b9a526f 
We support connecting two drop lists by their ID, but if the ID is incorrect, we silently ignore it. These changes add a warning so it's easier to debug issues where the ID might be misspelled.

Fixes angular#20056.
@crisbeto crisbeto mentioned this issue Jul 21, 2020
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crisbeto added a commit to crisbeto/material2 that referenced this issue Jul 21, 2020
@crisbeto
fix(drag-drop): warn if connected container ID doesn't exist
3b70de9 
We support connecting two drop lists by their ID, but if the ID is incorrect, we silently ignore it. These changes add a warning so it's easier to debug issues where the ID might be misspelled.

Fixes angular#20056.
wagnermaciel pushed a commit that referenced this issue Jul 24, 2020
@crisbeto
fix(drag-drop): warn if connected container ID doesn't exist (#20057)
89b5fa8 
We support connecting two drop lists by their ID, but if the ID is incorrect, we silently ignore it. These changes add a warning so it's easier to debug issues where the ID might be misspelled.

Fixes #20056.
wagnermaciel added a commit that referenced this issue Jul 24, 2020
@crisbeto @wagnermaciel
fix(drag-drop): warn if connected container ID doesn't exist (#20057)
4fa9eb9 
We support connecting two drop lists by their ID, but if the ID is incorrect, we silently ignore it. These changes add a warning so it's easier to debug issues where the ID might be misspelled.

Fixes #20056.

(cherry picked from commit 89b5fa8)
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wagnermaciel added a commit to wagnermaciel/components that referenced this issue Jan 14, 2021
@crisbeto @wagnermaciel
fix(drag-drop): warn if connected container ID doesn't exist (angular…
7993a87 
…#20057)

We support connecting two drop lists by their ID, but if the ID is incorrect, we silently ignore it. These changes add a warning so it's easier to debug issues where the ID might be misspelled.

Fixes angular#20056.
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fix(drag-drop): warn if connected container ID doesn't exist
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@crisbeto @lukejack