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Modal Dialog embed in another custom element appear under the overlay #109

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cbalit opened this issue May 27, 2016 · 2 comments
Closed

Modal Dialog embed in another custom element appear under the overlay #109

cbalit opened this issue May 27, 2016 · 2 comments

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@cbalit
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cbalit commented May 27, 2016

Maybe i missed something but if i try to put a modal paper-dialog in another component, i can see the overlay over the modal.
The overlay is add to the document.body with a z-index of 102.
The paper-dialog has a z-index to 103 but because it is add inside another component, it still appear under the overlay. This is coherent but i wonder how i can use a modal dialog inside a custom element.
@valdrinkoshi
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Hi @cbalit, the iron-overlay-backdrop is added to body (the one with z-index 102), and its job is to prevent interactions with the rest of the ui, just with the overlay (in your case paper-dialog).
If you are not able to interact with the paper-dialog because the iron-overlay-backdrop is on top of it, it means you inserted the paper-dialog inside an element that creates a new stacking context, something like this.
This is a known limitation mentioned in the iron-overlay-behavior documentation:

You must ensure no element has a stacking context with a higher z-index than its parent stacking context. You should place this element as a child of <body> whenever possible.

@cbalit
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cbalit commented May 27, 2016

Hi @valdrinkoshi and thank's for the response. I miss the know limitation in the documentation. I close the issue.

@cbalit cbalit closed this as completed May 27, 2016
@keanulee keanulee mentioned this issue Aug 5, 2016
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@cbalit @valdrinkoshi