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styling.md

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Styling

LiveSelect supports 3 styling modes:

  • tailwind: uses standard tailwind utility classes (the default)
  • daisyui: uses daisyUI classes.
  • none: no styling at all.

The choice of style is controlled by the style option in live_select/1. tailwind and daisyui styles come with sensible defaults which can be extended or overridden via options.

This is what each default style looks like:

daisyui:

daisyui example

(the actual colors may differ depending on the selected daisyui theme)

tailwind:

tailwind example

These defaults can be selectively overridden or extended using the appropriate options to live_select/1.

You can control the style of the following elements:

  1. The outer container of the live_select component
  2. The text_input field
  3. The text_input_selected text field when an option has been selected
  4. The dropdown that contains the selectable options
  5. The single selectable option(s)
  6. The currently active_option
  7. The clear_button to clear the selection (only if allow_clear is set)
  8. selected_option. This is an option in the dropdown that has already been selected. It's still visible, but can't be selected again
  9. available_option. This is an option in the dropdown that has not been selected and is available for selection
  10. unavailable_option. This is an option in the dropdown that has not been selected but is not available for selection. This happens when there is a specified maximum number of selectable elements and that number has been reached.

Here's a visual representation of the elements:

styled elements

In tags and quick_tags mode there are 3 additional stylable elements:

  1. tag showing the selected options
  2. tags_container that contains the tags
  3. clear_tag_button button to remove the tags

styled elements_tags

For each of these elements there is an {element}_class and for some also an {element}_extra_class option, which can be used to override or extend the default CSS classes for the element, respectively. These options accept both strings and lists of strings. You can't use both options together: use {element}_class to completely override the default classes, or use {element}_extra_class to extend the default.

The following table shows the default styles for each element and the options you can use to adjust its CSS classes.

Element Default daisyui classes Default tailwind classes Class override option Class extend option
active_option active bg-gray-600 text-white active_option_class
available_option cursor-pointer cursor-pointer hover:bg-gray-400 rounded available_option_class
clear_button cursor-pointer hidden cursor-pointer hidden clear_button_class clear_button_extra_class
clear_tag_button cursor-pointer cursor-pointer clear_tag_button_class clear_tag_button_extra_class
container dropdown dropdown-open h-full relative text-black container_class container_extra_class
dropdown bg-base-200 dropdown-content menu menu-compact p-1 rounded-box shadow w-full z-[1] absolute bg-gray-100 inset-x-0 rounded-md shadow top-full z-50 dropdown_class dropdown_extra_class
option px-4 py-1 rounded option_class option_extra_class
selected_option cursor-pointer font-bold cursor-pointer font-bold hover:bg-gray-400 rounded selected_option_class
tag badge badge-primary p-1.5 text-sm bg-blue-400 flex p-1 rounded-lg text-sm tag_class tag_extra_class
tags_container flex flex-wrap gap-1 p-1 flex flex-wrap gap-1 p-1 tags_container_class tags_container_extra_class
text_input input input-bordered pr-6 w-full disabled:bg-gray-100 disabled:placeholder:text-gray-400 disabled:text-gray-400 pr-6 rounded-md w-full text_input_class text_input_extra_class
text_input_selected input-primary border-gray-600 text-gray-600 text_input_selected_class
unavailable_option disabled text-gray-400 unavailable_option_class

For example, if you want to remove rounded borders from the options, have the active option use white text on a red background, and use green as a background color for tags instead of blue, render live_select/1 like this:

<.live_select
   form={my_form}
   field={my_field}
   id="live_select"
   mode={:tags}
   placeholder="Search for a city"
   active_option_class="text-white bg-red-800"
   option_extra_class="!rounded"
   tag_extra_class="!bg-blue-400 bg-green-200" />

Selectively removing classes from defaults {: .tip}

You can remove classes included with the style's defaults by using the !class_name notation in an {element}_extra_class option. For example, if a default style is rounded-lg px-4, using an extra class option of !rounded-lg text-black will result in the following final class being applied to the element:

px-4 text-black