When resize "w" or "e" from the left y axis, position of div box is changed - moved

[arxwn]

When you try to resize "w" or "e" by moving the mouse from the left y axis then the whole box moves from its position. If you do the opposite, resize "e" or "w" by moving the mouse from the right y axis then it behaves correctly, the whole box does not move, it just alters its width!.

Check out demo ​http://jsfiddle.net/KqAaU/4/

[tj.vantoll]

Reduced - ​http://jsfiddle.net/tj_vantoll/54Zc2/. This is happening because of the margin: auto; on the resizable element. I'm not sure this is something that resizable can or should support.

Anybody else have thoughts?

[mikesherov]

TJ, I'm sure you're right, but how does margin: auto cause this bug?

[tj.vantoll]

Whoops forgot to mention that. If you remove the margin: auto; rule or change it to some static value like 50px in my test case above the problem will go away.

[arxwn]

The problem will go away if you remove the margin:auto; but what if want, when resizing on the left, the box to resize on the right automaticaaly as happenes on ​http://jsfiddle.net/KqAaU/4/ ?

So the problem is when margin is set to auto or with % value f.e. 80%

[arxwn]

Check out this: ​http://jsfiddle.net/KqAaU/5/

try to resize west. the whole box moves on the left. This happens only on this situation, on the opposite (box be on the left side and resize east) does not happen..

[tj.vantoll]

Replying to arxwn:

The problem will go away if you remove the margin:auto; but what if want, when resizing on the left, the box to resize on the right automaticaaly as happenes on ​http://jsfiddle.net/KqAaU/4/ ?

So the problem is when margin is set to auto or with % value f.e. 80%

Percentage based margins work just fine. Your example is still using margin: auto;, if I change it to a percentage based value it works fine ​http://jsfiddle.net/tj_vantoll/fsHVG/.

[tj.vantoll]

Replying to arxwn:

Check out this: ​http://jsfiddle.net/KqAaU/5/

try to resize west. the whole box moves on the left. This happens only on this situation, on the opposite (box be on the left side and resize east) does not happen..

This is a separate issue but it looks the resizable interaction does not handle right correctly ​http://jsfiddle.net/tj_vantoll/3Rzsu/. Draggable has the same problem (see #7772).

[Scott González]

Yeah, it's impossible to tell how the user has positioned an element. Interactions always assume left/top.

[mikesherov]

Hopefully not forever: ​http://lists.w3.org/Archives/Public/www-style/2013Jan/0492.html

For now, a workaround would be to set the margin equal to the margin before drag. I think this needs to be marked as "cantfix". Someone else reopen if you disagree.