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/**
* Component responsible for handling the input and displaying the dropdown.
* Accepts a list of triggers which are used to determine when to open the dropdown.
* It should have a single child element which is the input element (@see AcceptedInputType for supported types).
*
* Based on your need, you can customize the dropdown items (SmartSuggestItem) or the full dropdown (slot="dropdown").
*
* When using showNoResult=true, you can also customize the no result message (slot="no-result").
*/
export default {};
</script>
<script setup lang="ts">
import { onMounted, onUnmounted, onUpdated, ref, watch } from 'vue';
import { AcceptedInputType, ActiveTrigger, Item, Trigger } from './types';
import { useSmartSuggest } from './useSmartSuggest';
import SmartSuggestItem from './SmartSuggestItem.vue';
const props = defineProps<{
/**
* (prop) Triggers to use for this SmartSuggest instance
*/
triggers: Trigger[];
}>();
const { setInputElement, setTriggers, select, active, items, dropdownPosition, activeIndex, activeTrigger } = useSmartSuggest(props.triggers);
watch(() => props.triggers, () => {
setTriggers(props.triggers);
}, { immediate: true });
const container = ref<HTMLDivElement>();
function updateTextArea() {
if (! container.value || ! container.value.firstElementChild) {
setInputElement(undefined);
return;
}
setInputElement(container.value.firstElementChild as AcceptedInputType);
}
onMounted(updateTextArea);
onUpdated(updateTextArea);
onUnmounted(updateTextArea);
const emits = defineEmits<{
/**
* (event) Emitted when an item is selected
*/
(e: 'select', item: Item): void;
/**
* (event) Emitted when the dropdown is opened or closed
*/
(e: 'open'): void;
/**
* (event) Emitted when the dropdown is opened or closed
*/
(e: 'close'): void;
}>();
watch(active, (active) => {
if (active) {
emits('open');
} else {
emits('close');
}
});
</script>
<template>
<div
ref="container"
class="smart-suggest"
v-bind="$attrs"
style="position: relative;"
>
<slot />
<slot
v-if="active"
name="dropdown"
:position="dropdownPosition"
:items="items"
:active-index="activeIndex"
:trigger="(activeTrigger as ActiveTrigger).trigger"
:select="select"
>
<div
class="smart-suggest-dropdown"
:class="{
'smart-suggest-dropdown-top': dropdownPosition.toTop,
}"
style="position: absolute"
:style="{
top: dropdownPosition.top + 'px',
left: dropdownPosition.left + 'px',
width: dropdownPosition.width + 'px',
height: dropdownPosition.height + 'px',
}"
>
<div class="smart-suggest-items">
<template
v-for="item, index in items"
:key="item.value"
>
<slot
name="item"
:item="item"
:active="index === activeIndex"
:trigger="(activeTrigger as ActiveTrigger).trigger"
:select="select"
>
<SmartSuggestItem
:item="item"
:active="index === activeIndex"
@select="select(item)"
/>
</slot>
</template>
<template v-if="items.length === 0">
<slot name="no-result">
<div class="smart-suggest-no-result">
No result
</div>
</slot>
</template>
</div>
</div>
</slot>
</div>
</template>
<style scoped>
.smart-suggest-dropdown {
display: flex;
flex-direction: column;
justify-content: flex-start;
color: black;
}
.smart-suggest-dropdown.smart-suggest-dropdown-top {
display: flex;
flex-direction: column;
justify-content: flex-end;
}
.smart-suggest-items {
background-color: white;
border: 1px solid #ccc;
border-radius: 5px;
overflow: auto;
z-index: 100;
text-align: left;
}
.smart-suggest-no-result {
padding: 5px;
}
</style> |