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Create A Radio Selector With Icons, SVG, or Images ​

Interfaces provide a meaningful way for users to provide data. This guide will show you how to create a radio selection input using icons, SVGs or images where the user selects an option and the value is saved in the database.

Interface showing three boxes next to each other - each has an image and text.

Install Dependencies ​

Open a console to your preferred working directory and initialize a new extension, which will create the boilerplate code for your interface.

shell
npx create-directus-extension@latest
npx create-directus-extension@latest

A list of options will appear (choose interface), and type a name for your extension (for example, directus-interface-custom-radio-buttons). For this guide, select JavaScript.

Now the boilerplate has been created, open the directory in your code editor.

Specify Configuration ​

Interfaces have 2 parts, the index.js configuration file, and the interface.vue view. The first part is defining what information you need to render the interface in the configuration.

Open the index.js file and update the existing information relevant to this interface.

js
import InterfaceIconRadio from './interface.vue';

export default {
	id: 'custom-radio-buttons',
	name: 'Radio Icon Buttons',
	type: 'interface',
	description: 'Radio selection group with icon buttons',
	icon: 'view_carousel',
	component: InterfaceIconRadio,
	options: null,
	types: ['string'],
	recommendedDisplays: ['badge'],
};
import InterfaceIconRadio from './interface.vue';

export default {
	id: 'custom-radio-buttons',
	name: 'Radio Icon Buttons',
	type: 'interface',
	description: 'Radio selection group with icon buttons',
	icon: 'view_carousel',
	component: InterfaceIconRadio,
	options: null,
	types: ['string'],
	recommendedDisplays: ['badge'],
};

Make sure the id is unique between all extensions including ones created by 3rd parties - a good practice is to include a professional prefix. You can choose an icon from the library here.

The value of types must be a string or number because a radio group will only output a single value. recommendedDisplays are a way of pinning one or more displays to the top of the list when the user is setting up the field.

Currently the options object is null. An interface can have a set customization options - for this example, the user must provide selection options. Call the field choices with a type of json. The meta information is important, this determines how this field will appear to the user.

js
options: [
	{
		field: 'choices',
		type: 'json',
		name: 'Choices',
		meta: {
			width: 'full',
			interface: 'list',
			options: {
				template: '{{ text }}',
				fields: [<fields go here>],
			},
		},
	},
],
options: [
	{
		field: 'choices',
		type: 'json',
		name: 'Choices',
		meta: {
			width: 'full',
			interface: 'list',
			options: {
				template: '{{ text }}',
				fields: [<fields go here>],
			},
		},
	},
],

Use the list interface, which requires the options object as seen above. Inside options, you must set a template which is how the record is shown to users when presented in a list. Set this to , and add a field called text.

The raw essentials for a radio list is the text (label) and the value. Add these to the fields object:

js
[
	{
		field: 'text',
		type: 'string',
		name: 'Text',
		meta: {
			width: 'half',
			interface: 'input',
		},
	},
	{
		field: 'value',
		type: 'string',
		name: 'Value',
		meta: {
			width: 'half',
			interface: 'input',
			options: {
				font: 'monospace',
			},
		},
	},
];
[
	{
		field: 'text',
		type: 'string',
		name: 'Text',
		meta: {
			width: 'half',
			interface: 'input',
		},
	},
	{
		field: 'value',
		type: 'string',
		name: 'Value',
		meta: {
			width: 'half',
			interface: 'input',
			options: {
				font: 'monospace',
			},
		},
	},
];

Add a field or fields for an icon. For the most flexibility, include SVG, Image and an Icon Picker.

js
[
	{
		/* field info */
	},
	{
		/* field info */
	},
	{
		/* field info */
	},
	{
		field: 'svg_icon',
		type: 'text',
		name: 'SVG Icon',
		meta: {
			width: 'half',
			interface: 'code',
		},
	},
	{
		field: 'image',
		name: 'Image',
		type: 'string',
		meta: {
			width: 'half',
			interface: 'file-image',
		},
	},
	{
		field: 'icon',
		name: 'Icon',
		type: 'string',
		meta: {
			width: 'half',
			interface: 'select-icon',
		},
	},
];
[
	{
		/* field info */
	},
	{
		/* field info */
	},
	{
		/* field info */
	},
	{
		field: 'svg_icon',
		type: 'text',
		name: 'SVG Icon',
		meta: {
			width: 'half',
			interface: 'code',
		},
	},
	{
		field: 'image',
		name: 'Image',
		type: 'string',
		meta: {
			width: 'half',
			interface: 'file-image',
		},
	},
	{
		field: 'icon',
		name: 'Icon',
		type: 'string',
		meta: {
			width: 'half',
			interface: 'select-icon',
		},
	},
];

For the SVG icon, use the code interface which allows the user to paste raw SVG code. The image upload uses the built-in file-image interface which returns the ID of the uploaded/selected image. The icon uses the built-in interface, select-icon, which provides a searchable dropdown of the icon library.

Work With Images ​

DEPRECATED

Since Directus version 10.10.0 this is no longer required and you can rely on session cookies instead.

When working with images inside Directus, you need an access token. Rather than use a static token, create a new file called use-directus-token.js and use the following script that fetches the current user’s access token:

js
export default function useDirectusToken(directusApi) {
	return {
		addQueryToPath,
		getToken,
		addTokenToURL,
	};

	function addQueryToPath(path, query) {
		const queryParams = [];

		for (const [key, value] of Object.entries(query)) {
			queryParams.push(`${key}=${value}`);
		}

		return path.includes('?') ? `${path}&${queryParams.join('&')}` : `${path}?${queryParams.join('&')}`;
	}

	function getToken() {
		return (
			directusApi.defaults?.headers?.['Authorization']?.split(' ')[1] ||
			directusApi.defaults?.headers?.common?.['Authorization']?.split(' ')[1] ||
			null
		);
	}

	function addTokenToURL(url) {
		const accessToken = getToken();
		if (!accessToken) return url;
		return addQueryToPath(url, {
			access_token: accessToken,
		});
	}
}
export default function useDirectusToken(directusApi) {
	return {
		addQueryToPath,
		getToken,
		addTokenToURL,
	};

	function addQueryToPath(path, query) {
		const queryParams = [];

		for (const [key, value] of Object.entries(query)) {
			queryParams.push(`${key}=${value}`);
		}

		return path.includes('?') ? `${path}&${queryParams.join('&')}` : `${path}?${queryParams.join('&')}`;
	}

	function getToken() {
		return (
			directusApi.defaults?.headers?.['Authorization']?.split(' ')[1] ||
			directusApi.defaults?.headers?.common?.['Authorization']?.split(' ')[1] ||
			null
		);
	}

	function addTokenToURL(url) {
		const accessToken = getToken();
		if (!accessToken) return url;
		return addQueryToPath(url, {
			access_token: accessToken,
		});
	}
}

Build the View ​

The interface.vue file contains the barebones code required for an interface to work. Import use-directus-token by adding the follow line before export default:

js
import useDirectusToken from './use-directus-token';
import useDirectusToken from './use-directus-token';

Inside the props object, add the following fields:

js
props: {
	field: String,
	collection: String,
	value: String,
	disabled: {
		type: Boolean,
		default: false,
	},
	choices: {
		type: Array,
		default: null,
	},
	width: {
		type: String,
		default: null,
	},
},
props: {
	field: String,
	collection: String,
	value: String,
	disabled: {
		type: Boolean,
		default: false,
	},
	choices: {
		type: Array,
		default: null,
	},
	width: {
		type: String,
		default: null,
	},
},
  • field is the current field that is using the interface. This is defined by the user when setting up their table. You will need the field variable to read and write the value.
  • collection is the name given to the table, this is also required when reading and writing the value.
  • value is the current value for this field. In a new record this will be null. For existing records, you will need this variable to show what option is selected.
  • disabled is the boolean which tells you when the field has been disabled so you can prevent selection.
  • choices is the name given to the custom field in the index.js file. This will contain the values from the user when they created this field.
  • width is either half or full. Use this to style the structure of the interface when using a smaller space.

Directly after the props, inject the api which is made available by Directus and add the following functions to a new section called methods.

js
inject: ['api'],
methods: {
	selectOption(value, field){
		if(field == this.field){
			this.$emit('input', value);
		}
	},
	isChecked(input, value){
		return input == value;
	},
	renderImage(file_id, modified_on = new Date().toISOString()){
		if(file_id === null) return;
		const { addTokenToURL } = useDirectusToken(this.api);
		return addTokenToURL(`/assets/${file_id}?width=42&height=42&fit=cover&cache-buster=${modified_on}`);
	},
	handleChange(value, field) {
		if(field == this.field){
			this.$emit('input', value);
		}
	},
},
inject: ['api'],
methods: {
	selectOption(value, field){
		if(field == this.field){
			this.$emit('input', value);
		}
	},
	isChecked(input, value){
		return input == value;
	},
	renderImage(file_id, modified_on = new Date().toISOString()){
		if(file_id === null) return;
		const { addTokenToURL } = useDirectusToken(this.api);
		return addTokenToURL(`/assets/${file_id}?width=42&height=42&fit=cover&cache-buster=${modified_on}`);
	},
	handleChange(value, field) {
		if(field == this.field){
			this.$emit('input', value);
		}
	},
},
  • selectOption will “emit” the value of the selected option into the input and allow the value to be saved to the database. In short, this allows the clicked option to be saved.
  • isChecked will highlight the previously selected option when opening an existing record.
  • renderImage uses the Directus api and the current user token to fetch the image.
  • handleChange is a fallback if the value is changed by another interface.

Create the Template ​

Add the following code to output an error if no choices are configured for the interface. This goes inside the template tag:

vue
<v-notice v-if="!choices" type="warning">
	No choices configured
</v-notice>
<v-notice v-if="!choices" type="warning">
	No choices configured
</v-notice>

After the v-notice, add a div for the buttons and use v-else from the if statement above. The class added to this div will be used to style the radio buttons:

vue
<div v-else class="radio-icon-buttons" :style="{ '--v-radio-color': color, }">
</div>
<div v-else class="radio-icon-buttons" :style="{ '--v-radio-color': color, }">
</div>

Inside the div, add a hidden input field which will bind to the selected value.

vue
<input
	:value="value"
	:field="field"
	:collection="collection"
	type="hidden"
	@input="handleChange($event.target.value, field)"
/>
<input
	:value="value"
	:field="field"
	:collection="collection"
	type="hidden"
	@input="handleChange($event.target.value, field)"
/>

Add an event onInput using @input, and have it run the handleChange function and send the value of $event.target and the current field to the function. This is a fallback if anything outside of this interface changes the value.

After the input field, add the buttons by looping through the choices array.

vue
<button
	v-for="choice in choices"
	:key="choice.value"
	class="v-icon-radio block"
	type="button"
	:aria-pressed="isChecked(value, choice.value) ? 'true' : 'false'"
	:disabled="disabled"
	:class="{ checked: isChecked(value, choice.value), block }"
	@click="selectOption(choice.value, field)"
>
	<span class="label type-text">
		<v-icon v-if="choice.icon" :name="choice.icon" filled />
		<span v-else-if="choice.svg_icon" class="v-icon" v-html="choice.svg_icon"></span>
		<img v-else-if="choice.image" class="v-icon" :src="renderImage(choice.image)"/>
		<slot name="label">{{ choice.text }}</slot>
	</span>
</button>
<button
	v-for="choice in choices"
	:key="choice.value"
	class="v-icon-radio block"
	type="button"
	:aria-pressed="isChecked(value, choice.value) ? 'true' : 'false'"
	:disabled="disabled"
	:class="{ checked: isChecked(value, choice.value), block }"
	@click="selectOption(choice.value, field)"
>
	<span class="label type-text">
		<v-icon v-if="choice.icon" :name="choice.icon" filled />
		<span v-else-if="choice.svg_icon" class="v-icon" v-html="choice.svg_icon"></span>
		<img v-else-if="choice.image" class="v-icon" :src="renderImage(choice.image)"/>
		<slot name="label">{{ choice.text }}</slot>
	</span>
</button>

Add an event to the button using @click, to run the selectOption function and send the current choice.value and the field variable. This will allow the value to be emitted when a choice is clicked.

Inside the button, add the HTML to output the icon, svg or image inside the button. Use the v-if directives to control which take priority if present. This example orders the priority icon, then svg, then image.

Three icons next to each other with text underneath.

The buttons currently have no indication that they are selected. At the bottom of interface.vue, add the following under the closing script tag:

vue
<style lang="scss" scoped>
.radio-icon-buttons {
	--columns: 5;
	display: grid;
	grid-gap: 12px 32px;
	grid-template-columns: repeat(var(--columns), 1fr);

	@media (max-width: 600px) {
		--columns: 3;
	}
}

.v-icon-radio {
	display: flex;
	font-size: 0;
	text-align: center;
    background-color: transparent;
	border: none;
	border-radius: 0;
	appearance: none;
	& .v-icon {
		--v-icon-color: var(--theme--foreground-subdued);
		svg {
			width: 100%;
			height: 100%;
			fill: var(--theme--foreground-subdued);
		}
	}
    & > .v-icon {
		position: absolute;
        display: none;
	}
    & .label {
        display: block;
        width: 100%;
        & .v-icon {
            display: block;
            margin: 0 auto 3px;
            width: 42px;
            height: 42px;
            border: var(--theme--border-width) solid transparent;
            border-radius: 50%;
            padding: 7px;
            background: var(--background-input);
            box-shadow: 0 0 2px rgb(0 0 0 / 30%);
        }
    }
    &:not(.checked) {
        & .label {
            & .v-icon {
                border-color: transparent;
            }
        }
    }
	&:disabled {
		cursor: not-allowed;
		.label {
			color: var(--theme--foreground-subdued);
		}
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&.block {
		position: relative;
		width: 100%;
		height: auto;
		padding: 10px; // 14 - 4 (border)
		border: var(--theme--border-width) solid var(--theme--form--field--input--border-color);
		border-radius: var(--theme--border-radius);
        &:hover {
            border-color: var(--theme--form--field--input--border-color-hover);
        }
		&::before {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background-color: var(--theme--background-subdued);
			border-radius: var(--theme--border-radius);
			content: '';
		}
		.label {
			z-index: 1;
		}
	}
	&:not(:disabled):hover {
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&:not(:disabled).checked {
		.v-icon {
			--v-icon-color: var(--theme--primary);
			svg {
				fill: var(--theme--primary);
			}
		}
		&.block {
			border-color: var(--theme--primary);
			.label {
				color: var(--theme--primary);
			}
			&::before {
				background-color: var(--theme--primary);
				opacity: 0.1;
			}
		}
	}
}
</style>
<style lang="scss" scoped>
.radio-icon-buttons {
	--columns: 5;
	display: grid;
	grid-gap: 12px 32px;
	grid-template-columns: repeat(var(--columns), 1fr);

	@media (max-width: 600px) {
		--columns: 3;
	}
}

.v-icon-radio {
	display: flex;
	font-size: 0;
	text-align: center;
    background-color: transparent;
	border: none;
	border-radius: 0;
	appearance: none;
	& .v-icon {
		--v-icon-color: var(--theme--foreground-subdued);
		svg {
			width: 100%;
			height: 100%;
			fill: var(--theme--foreground-subdued);
		}
	}
    & > .v-icon {
		position: absolute;
        display: none;
	}
    & .label {
        display: block;
        width: 100%;
        & .v-icon {
            display: block;
            margin: 0 auto 3px;
            width: 42px;
            height: 42px;
            border: var(--theme--border-width) solid transparent;
            border-radius: 50%;
            padding: 7px;
            background: var(--background-input);
            box-shadow: 0 0 2px rgb(0 0 0 / 30%);
        }
    }
    &:not(.checked) {
        & .label {
            & .v-icon {
                border-color: transparent;
            }
        }
    }
	&:disabled {
		cursor: not-allowed;
		.label {
			color: var(--theme--foreground-subdued);
		}
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&.block {
		position: relative;
		width: 100%;
		height: auto;
		padding: 10px; // 14 - 4 (border)
		border: var(--theme--border-width) solid var(--theme--form--field--input--border-color);
		border-radius: var(--theme--border-radius);
        &:hover {
            border-color: var(--theme--form--field--input--border-color-hover);
        }
		&::before {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background-color: var(--theme--background-subdued);
			border-radius: var(--theme--border-radius);
			content: '';
		}
		.label {
			z-index: 1;
		}
	}
	&:not(:disabled):hover {
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&:not(:disabled).checked {
		.v-icon {
			--v-icon-color: var(--theme--primary);
			svg {
				fill: var(--theme--primary);
			}
		}
		&.block {
			border-color: var(--theme--primary);
			.label {
				color: var(--theme--primary);
			}
			&::before {
				background-color: var(--theme--primary);
				opacity: 0.1;
			}
		}
	}
}
</style>

Now, the buttons should be complete:

Interface showing three boxes next to each other - each has an image and text.

Build the interface with the latest changes.

npm run build
npm run build

Add Interface to Directus ​

When Directus starts, it will look in the extensions directory for any subdirectory starting with directus-extension-, and attempt to load them.

To install an extension, copy the entire directory with all source code, the package.json file, and the dist directory into the Directus extensions directory. Make sure the directory with your extension has a name that starts with directus-extension. In this case, you may choose to use directus-extension-interface-custom-radio-buttons.

Restart Directus to load the extension.

Required files

Only the package.json and dist directory are required inside of your extension directory. However, adding the source code has no negative effect.

Use the Interface ​

The interface will appear in the list of available interfaces. Create a new field and select the interface from the list and set options.

An interface configuration showing an icon button group

Summary ​

With this interface, you have seen how to use input fields to configure your interface, including string, text, icon picker, image and lists. You have also learned how to fetch an access token for rendering images, emitting values to the database and use Vue to render interactive HTML and SCSS.

Complete Code ​

index.js

js
import InterfaceIconRadio from './interface.vue';

export default {
	id: 'icon-radio',
	name: 'Icon Button Group',
	type: 'interface',
	description: 'Radio selction group with icon buttons',
	icon: 'view_carousel',
	component: InterfaceIconRadio,
	types: ['string'],
	recommendedDisplays: ['badge'],
	options: [
		{
			field: 'choices',
			type: 'json',
			name: 'Choices',
			meta: {
				width: 'full',
				interface: 'list',
				options: {
					template: '{{ text }}',
					fields: [
						{
							field: 'text',
							type: 'string',
							name: 'Text',
							meta: {
								width: 'half',
								interface: 'input',
							},
						},
						{
							field: 'value',
							type: 'string',
							name: 'Value',
							meta: {
								width: 'half',
								interface: 'input',
								options: {
									font: 'monospace',
								},
							},
						},
						{
							field: 'svg_icon',
							type: 'text',
							name: 'SVG Icon',
							meta: {
								width: 'half',
								interface: 'code',
							},
						},
						{
							field: 'image',
							name: 'Image',
							type: 'string',
							meta: {
								width: 'half',
								interface: 'file-image',
							},
						},
						{
							field: 'icon',
							name: 'Icon',
							type: 'string',
							meta: {
								width: 'half',
								interface: 'select-icon',
							},
						},
					],
				},
			},
		},
	],
};
import InterfaceIconRadio from './interface.vue';

export default {
	id: 'icon-radio',
	name: 'Icon Button Group',
	type: 'interface',
	description: 'Radio selction group with icon buttons',
	icon: 'view_carousel',
	component: InterfaceIconRadio,
	types: ['string'],
	recommendedDisplays: ['badge'],
	options: [
		{
			field: 'choices',
			type: 'json',
			name: 'Choices',
			meta: {
				width: 'full',
				interface: 'list',
				options: {
					template: '{{ text }}',
					fields: [
						{
							field: 'text',
							type: 'string',
							name: 'Text',
							meta: {
								width: 'half',
								interface: 'input',
							},
						},
						{
							field: 'value',
							type: 'string',
							name: 'Value',
							meta: {
								width: 'half',
								interface: 'input',
								options: {
									font: 'monospace',
								},
							},
						},
						{
							field: 'svg_icon',
							type: 'text',
							name: 'SVG Icon',
							meta: {
								width: 'half',
								interface: 'code',
							},
						},
						{
							field: 'image',
							name: 'Image',
							type: 'string',
							meta: {
								width: 'half',
								interface: 'file-image',
							},
						},
						{
							field: 'icon',
							name: 'Icon',
							type: 'string',
							meta: {
								width: 'half',
								interface: 'select-icon',
							},
						},
					],
				},
			},
		},
	],
};

interface.vue

vue
<template>
	<v-notice v-if="!choices" type="warning">No choices configured</v-notice>
	<div
		v-else
		class="radio-icon-buttons"
		:style="{
			'--v-radio-color': color,
		}"
	>
		<input
			:value="value"
			:field="field"
			:collection="collection"
			type="hidden"
			@input="handleChange($event.target.value, field)"
		/>
		<button
			v-for="choice in choices"
			:key="choice.value"
			class="v-icon-radio block"
			type="button"
			:aria-pressed="isChecked(value, choice.value) ? 'true' : 'false'"
			:disabled="disabled"
			:class="{ checked: isChecked(value, choice.value), block }"
			@click="selectOption(choice.value, field)"
		>
			<span class="label type-text">
				<v-icon v-if="choice.icon" :name="choice.icon" filled />
				<span v-else-if="choice.svg_icon" class="v-icon" v-html="choice.svg_icon"></span>
				<img v-else-if="choice.image" class="v-icon" :src="renderImage(choice.image)" />
				<slot name="label">{{ choice.text }}</slot>
			</span>
		</button>
	</div>
</template>

<script>
import useDirectusToken from './use-directus-token';
export default {
	inject: ['api'],
	props: {
		field: String,
		collection: String,
		value: String,
		disabled: {
			type: Boolean,
			default: false,
		},
		choices: {
			type: Array,
			default: null,
		},
		width: {
			type: String,
			default: null,
		},
	},
	emits: ['input'],
	mounted() {
		console.log(`BatchMode: ${this.batchMode}`);
		console.log(`Choices:`);
		console.log(this.choices);
	},
	methods: {
		selectOption(value, field){
			if(field == this.field){
				this.$emit('input', value);
			}
		},
		isChecked(input, value){
			return input == value;
		},
		renderImage(file_id, modified_on = new Date().toISOString()){
			if(file_id === null) return;
			const { addTokenToURL } = useDirectusToken(this.api);
			return addTokenToURL(`/assets/${file_id}?width=42&height=42&fit=cover&cache-buster=${modified_on}`);
		},
		handleChange(value, field) {
			if(field == this.field){
				this.$emit('input', value);
			}
		},
	},
};
</script>

<style lang="scss" scoped>
.radio-icon-buttons {
	--columns: 5;
	display: grid;
	grid-gap: 12px 32px;
	grid-template-columns: repeat(var(--columns), 1fr);

	@media (max-width: 600px) {
		--columns: 3;
	}
}

.v-icon-radio {
	display: flex;
	font-size: 0;
	text-align: center;
    background-color: transparent;
	border: none;
	border-radius: 0;
	appearance: none;
	& .v-icon {
		--v-icon-color: var(--theme--foreground-subdued);
		svg {
			width: 100%;
			height: 100%;
			fill: var(--theme--foreground-subdued);
		}
	}
    & > .v-icon {
		position: absolute;
        display: none;
	}
    & .label {
        display: block;
        width: 100%;
        & .v-icon {
            display: block;
            margin: 0 auto 3px;
            width: 42px;
            height: 42px;
            border: var(--theme--border-width) solid transparent;
            border-radius: 50%;
            padding: 7px;
            background: var(--background-input);
            box-shadow: 0 0 2px rgb(0 0 0 / 30%);
        }
    }
    &:not(.checked) {
        & .label {
            & .v-icon {
                border-color: transparent;
            }
        }
    }
	&:disabled {
		cursor: not-allowed;
		.label {
			color: var(--theme--foreground-subdued);
		}
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&.block {
		position: relative;
		width: 100%;
		height: auto;
		padding: 10px; // 14 - 4 (border)
		border: var(--theme--border-width) solid var(--theme--form--field--input--border-color);
		border-radius: var(--theme--border-radius);
        &:hover {
            border-color: var(--theme--form--field--input--border-color-hover);
        }
		&::before {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background-color: var(--theme--background-subdued);
			border-radius: var(--theme--border-radius);
			content: '';
		}
		.label {
			z-index: 1;
		}
	}
	&:not(:disabled):hover {
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&:not(:disabled).checked {
		.v-icon {
			--v-icon-color: var(--theme--primary);
			svg {
				fill: var(--theme--primary);
			}
		}
		&.block {
			border-color: var(--theme--primary);
			.label {
				color: var(--theme--primary);
			}
			&::before {
				background-color: var(--theme--primary);
				opacity: 0.1;
			}
		}
	}
}
</style>
<template>
	<v-notice v-if="!choices" type="warning">No choices configured</v-notice>
	<div
		v-else
		class="radio-icon-buttons"
		:style="{
			'--v-radio-color': color,
		}"
	>
		<input
			:value="value"
			:field="field"
			:collection="collection"
			type="hidden"
			@input="handleChange($event.target.value, field)"
		/>
		<button
			v-for="choice in choices"
			:key="choice.value"
			class="v-icon-radio block"
			type="button"
			:aria-pressed="isChecked(value, choice.value) ? 'true' : 'false'"
			:disabled="disabled"
			:class="{ checked: isChecked(value, choice.value), block }"
			@click="selectOption(choice.value, field)"
		>
			<span class="label type-text">
				<v-icon v-if="choice.icon" :name="choice.icon" filled />
				<span v-else-if="choice.svg_icon" class="v-icon" v-html="choice.svg_icon"></span>
				<img v-else-if="choice.image" class="v-icon" :src="renderImage(choice.image)" />
				<slot name="label">{{ choice.text }}</slot>
			</span>
		</button>
	</div>
</template>

<script>
import useDirectusToken from './use-directus-token';
export default {
	inject: ['api'],
	props: {
		field: String,
		collection: String,
		value: String,
		disabled: {
			type: Boolean,
			default: false,
		},
		choices: {
			type: Array,
			default: null,
		},
		width: {
			type: String,
			default: null,
		},
	},
	emits: ['input'],
	mounted() {
		console.log(`BatchMode: ${this.batchMode}`);
		console.log(`Choices:`);
		console.log(this.choices);
	},
	methods: {
		selectOption(value, field){
			if(field == this.field){
				this.$emit('input', value);
			}
		},
		isChecked(input, value){
			return input == value;
		},
		renderImage(file_id, modified_on = new Date().toISOString()){
			if(file_id === null) return;
			const { addTokenToURL } = useDirectusToken(this.api);
			return addTokenToURL(`/assets/${file_id}?width=42&height=42&fit=cover&cache-buster=${modified_on}`);
		},
		handleChange(value, field) {
			if(field == this.field){
				this.$emit('input', value);
			}
		},
	},
};
</script>

<style lang="scss" scoped>
.radio-icon-buttons {
	--columns: 5;
	display: grid;
	grid-gap: 12px 32px;
	grid-template-columns: repeat(var(--columns), 1fr);

	@media (max-width: 600px) {
		--columns: 3;
	}
}

.v-icon-radio {
	display: flex;
	font-size: 0;
	text-align: center;
    background-color: transparent;
	border: none;
	border-radius: 0;
	appearance: none;
	& .v-icon {
		--v-icon-color: var(--theme--foreground-subdued);
		svg {
			width: 100%;
			height: 100%;
			fill: var(--theme--foreground-subdued);
		}
	}
    & > .v-icon {
		position: absolute;
        display: none;
	}
    & .label {
        display: block;
        width: 100%;
        & .v-icon {
            display: block;
            margin: 0 auto 3px;
            width: 42px;
            height: 42px;
            border: var(--theme--border-width) solid transparent;
            border-radius: 50%;
            padding: 7px;
            background: var(--background-input);
            box-shadow: 0 0 2px rgb(0 0 0 / 30%);
        }
    }
    &:not(.checked) {
        & .label {
            & .v-icon {
                border-color: transparent;
            }
        }
    }
	&:disabled {
		cursor: not-allowed;
		.label {
			color: var(--theme--foreground-subdued);
		}
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&.block {
		position: relative;
		width: 100%;
		height: auto;
		padding: 10px; // 14 - 4 (border)
		border: var(--theme--border-width) solid var(--theme--form--field--input--border-color);
		border-radius: var(--theme--border-radius);
        &:hover {
            border-color: var(--theme--form--field--input--border-color-hover);
        }
		&::before {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background-color: var(--theme--background-subdued);
			border-radius: var(--theme--border-radius);
			content: '';
		}
		.label {
			z-index: 1;
		}
	}
	&:not(:disabled):hover {
		.v-icon {
			--v-icon-color: var(--theme--foreground-subdued);
		}
	}
	&:not(:disabled).checked {
		.v-icon {
			--v-icon-color: var(--theme--primary);
			svg {
				fill: var(--theme--primary);
			}
		}
		&.block {
			border-color: var(--theme--primary);
			.label {
				color: var(--theme--primary);
			}
			&::before {
				background-color: var(--theme--primary);
				opacity: 0.1;
			}
		}
	}
}
</style>

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Tim Butterfield, Kevin Lewis
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