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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
# with-overlay
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Our `{{with-overlay}}` modifier is a thin wrapper around the excellent `tippy.js`. The most common usage will be something like the below:
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```hbs preview-template
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<div
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{{did-insert (set this 'popover')}}
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>
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The popover
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</div>
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<button
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{{with-overlay
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this.popover
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returns=(set this 'popoverController')
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}}
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{{on 'click' (fn (optional this.popoverController.show))}}
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>
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Click me
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</button>
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```
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The first positional parameter is a reference to a DOM element to use for the
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popover. The easiest way to provide this is to use `{{did-insert
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(set this 'popoverName'}}}` on any DOM element (as seen above). This DOM element is then
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automatically removed from the DOM until the popover needs to be shown.
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The `returns` named attribute of the modifer allows you to save a reference to
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the overlay itself, which is a reference to a [tippy.js instance](https://atomiks.github.io/tippyjs/v5/methods/).
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This instance can then be used with conventional ember to control the overlay. In the example above we use `{{on 'click'}}` to show the overlay but once you have a reference to the tippy.js instance you can control it by any other means.
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