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lib/petal_components/alert.ex

defmodule PetalComponents.Alert do
use Phoenix.Component
import PetalComponents.Helpers
attr(:color, :string,
default: "info",
values: ["info", "success", "warning", "danger"]
)
attr(:with_icon, :boolean, default: false, doc: "adds some icon base classes")
attr(:class, :string, default: "", doc: "CSS class for parent div")
attr(:heading, :string, default: nil, doc: "label your heading")
attr(:label, :string, default: nil, doc: "label your alert")
attr(:rest, :global)
attr(:close_button_properties, :list,
default: nil,
doc: "a list of properties passed to the close button"
)
slot(:inner_block)
def alert(assigns) do
assigns =
assigns
|> assign(:classes, alert_classes(assigns))
~H"""
<%= unless label_blank?(@label, @inner_block) do %>
<div {@rest} class={@classes}>
<%= if @with_icon do %>
<div class="self-start flex-shrink-0 pt-0.5 w-6 h-6">
<.get_icon color={@color} />
</div>
<% end %>
<div class="w-full flex-0">
<div class="flex items-start justify-between">
<div>
<%= if @heading do %>
<div class="pt-1 font-bold">
<%= @heading %>
</div>
<% end %>
<div class="py-1 font-medium">
<%= render_slot(@inner_block) || @label %>
</div>
</div>
<%= if @close_button_properties do %>
<button
class={
build_class(["p-2 mouse-hover flex hover:rounded", get_dismiss_icon_classes(@color)])
}
{@close_button_properties}
>
<Heroicons.x_mark solid class="self-start w-4 h-4" />
</button>
<% end %>
</div>
</div>
</div>
<% end %>
"""
end
defp alert_classes(opts) do
opts = %{
color: opts[:color] || "info",
class: opts[:class] || ""
}
base_classes = "w-full flex text-sm rounded items-center focus:outline-none px-4 py-2 gap-3"
color_css = get_color_classes(opts.color)
custom_classes = opts.class
build_class([base_classes, color_css, custom_classes])
end
defp get_color_classes("info"),
do: "text-blue-800 bg-blue-100 dark:bg-blue-200 dark:text-blue-800"
defp get_color_classes("success"),
do: "text-green-800 bg-green-100 dark:bg-green-200 dark:text-green-800"
defp get_color_classes("warning"),
do: "text-yellow-800 bg-yellow-100 dark:bg-yellow-200 dark:text-yellow-800"
defp get_color_classes("danger"),
do: "text-red-800 bg-red-100 dark:bg-red-200 dark:text-red-800"
defp get_dismiss_icon_classes("info"),
do:
"bg-blue-100 dark:bg-blue-200 hover:bg-blue-200 dark:hover:bg-blue-300 hover:text-blue-800 dark:hover:text-blue-900"
defp get_dismiss_icon_classes("success"),
do:
"bg-green-100 dark:bg-green-200 hover:bg-green-200 dark:hover:bg-green-300 hover:text-green-800 dark:hover:text-green-900"
defp get_dismiss_icon_classes("warning"),
do:
"bg-yellow-100 dark:bg-yellow-200 hover:bg-yellow-200 dark:hover:bg-yellow-300 hover:text-yellow-800 dark:hover:text-yellow-900"
defp get_dismiss_icon_classes("danger"),
do:
"bg-red-100 dark:bg-red-200 hover:bg-red-200 dark:hover:bg-red-300 hover:text-red-800 dark:hover:text-red-900"
defp get_icon(%{color: "info"} = assigns) do
~H"""
<Heroicons.information_circle />
"""
end
defp get_icon(%{color: "success"} = assigns) do
~H"""
<Heroicons.check_circle />
"""
end
defp get_icon(%{color: "warning"} = assigns) do
~H"""
<Heroicons.exclamation_circle />
"""
end
defp get_icon(%{color: "danger"} = assigns) do
~H"""
<Heroicons.x_circle />
"""
end
defp label_blank?(label, inner_block) do
(!label || label == "") && inner_block == []
end
end