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Duskmoon UI component library for Phoenix LiveView
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lib/phoenix_duskmoon/component/data_display/popover.ex
defmodule PhoenixDuskmoon.Component.DataDisplay.Popover do
@moduledoc """
Popover component using `el-dm-popover` custom element.
Displays floating content positioned relative to a trigger element.
Supports click, hover, and focus triggers, auto-flip positioning,
and an optional arrow indicator.
## Examples
<.dm_popover>
<:trigger>
<button type="button" class="btn btn-primary">Click me</button>
</:trigger>
<p>Popover content here.</p>
</.dm_popover>
<.dm_popover trigger_mode="hover" placement="top" offset={12}>
<:trigger>
<span>Hover for info</span>
</:trigger>
<p>Helpful information.</p>
</.dm_popover>
"""
use Phoenix.Component
@doc """
Renders a popover with trigger and floating content.
## Examples
<.dm_popover placement="right">
<:trigger><button type="button" class="btn">Open</button></:trigger>
Content here.
</.dm_popover>
"""
@doc type: :component
attr(:id, :any, default: nil, doc: "HTML id attribute")
attr(:class, :any, default: nil, doc: "additional CSS classes")
attr(:open, :boolean, default: false, doc: "whether the popover is initially visible")
attr(:trigger_mode, :string,
default: "click",
values: ["click", "hover", "focus"],
doc: "how the popover is triggered"
)
attr(:placement, :string,
default: "bottom",
values: [
"top",
"bottom",
"left",
"right",
"top-start",
"top-end",
"bottom-start",
"bottom-end",
"left-start",
"left-end",
"right-start",
"right-end"
],
doc: "preferred placement of the popover"
)
attr(:offset, :integer, default: 8, doc: "distance in pixels between trigger and popover")
attr(:arrow, :boolean, default: true, doc: "show arrow pointing to trigger")
attr(:rest, :global)
slot(:trigger, required: true, doc: "The element that triggers the popover")
slot(:inner_block, doc: "Popover content")
def dm_popover(assigns) do
~H"""
<el-dm-popover
id={@id}
open={@open}
trigger={@trigger_mode}
placement={@placement}
offset={@offset}
arrow={@arrow}
class={@class}
{@rest}
>
<div slot="trigger">
{render_slot(@trigger)}
</div>
{render_slot(@inner_block)}
</el-dm-popover>
"""
end
end