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<script>
import $ from 'jquery';
import { GlButton } from '@gitlab/ui';
import { __ } from '~/locale';
import Icon from '~/vue_shared/components/icon.vue';
/**
* Renders a split dropdown with
* an input that allows to search through the given
* array of options.
*
* When there are no results and `showCreateMode` is true
* it renders a create button with the value typed.
*/
export default {
name: 'FilteredSearchDropdown',
components: {
Icon,
GlButton,
},
props: {
title: {
type: String,
required: false,
default: '',
},
buttonType: {
required: false,
validator: value =>
['primary', 'default', 'secondary', 'success', 'info', 'warning', 'danger'].indexOf(
value,
) !== -1,
default: 'default',
},
size: {
required: false,
type: String,
default: 'sm',
},
items: {
type: Array,
required: true,
},
visibleItems: {
type: Number,
required: false,
default: 5,
},
filterKey: {
type: String,
required: true,
},
showCreateMode: {
type: Boolean,
required: false,
default: false,
},
createButtonText: {
type: String,
required: false,
default: __('Create'),
},
},
data() {
return {
filter: '',
};
},
computed: {
className() {
return `btn btn-${this.buttonType} btn-${this.size}`;
},
filteredResults() {
if (this.filter !== '') {
return this.items.filter(
item =>
item[this.filterKey] &&
item[this.filterKey].toLowerCase().includes(this.filter.toLowerCase()),
);
}
return this.items.slice(0, this.visibleItems);
},
computedCreateButtonText() {
return `${this.createButtonText} ${this.filter}`;
},
shouldRenderCreateButton() {
return this.showCreateMode && this.filteredResults.length === 0 && this.filter !== '';
},
},
mounted() {
/**
* Resets the filter every time the user closes the dropdown
*/
$(this.$el)
.on('shown.bs.dropdown', () => {
this.$nextTick(() => this.$refs.searchInput.focus());
})
.on('hidden.bs.dropdown', () => {
this.filter = '';
});
},
};
</script>
<template>
<div class="dropdown">
<div class="btn-group">
<slot name="mainAction" :class-name="className">
<button type="button" :class="className">{{ title }}</button>
</slot>
<button
type="button"
:class="className"
class="dropdown-toggle dropdown-toggle-split"
data-toggle="dropdown"
aria-haspopup="true"
aria-expanded="false"
aria-label="Expand dropdown"
>
<icon name="angle-down" :size="12" />
</button>
<div class="dropdown-menu dropdown-menu-right">
<div class="dropdown-input">
<input
ref="searchInput"
v-model="filter"
type="search"
placeholder="Filter"
class="js-filtered-dropdown-input dropdown-input-field"
/>
<icon class="dropdown-input-search" name="search" />
</div>
<div class="dropdown-content">
<ul>
<li v-for="(result, i) in filteredResults" :key="i" class="js-filtered-dropdown-result">
<slot name="result" :result="result">{{ result[filterKey] }}</slot>
</li>
</ul>
</div>
<div v-if="shouldRenderCreateButton" class="dropdown-footer">
<slot name="footer" :filter="filter">
<gl-button
class="js-dropdown-create-button btn-transparent"
@click="$emit('createItem', filter)"
>{{ computedCreateButtonText }}</gl-button
>
</slot>
</div>
</div>
</div>
</div>
</template>
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