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<template>
<span :class="'quicksearch_container' + (containerclass ? ' ' + containerclass : '')">
<input type="hidden"
:name="name"
:value="returnValue"
v-if="!autocomplete && name">
<input type="text"
:name="autocomplete ? name : null"
v-model="inputValue"
autocomplete="off"
@blur="reset()"
@keydown.up="selectUp"
@keydown.down="selectDown"
@keydown.enter.prevent="selectByKey"
v-bind="$attrs">
<div class="dropdownmenu">
<ul class="autocomplete__results" v-if="isVisible">
<li class="autocomplete__result"
v-for="(result, index) in results"
:key="index"
:class="index === selected ? 'autocomplete__result--selected' : ''"
@click="select(result)"
v-html="result.item_name">
</li>
<li v-if="errorMessage !== null">{{errorMessage}}</li>
</ul>
</div>
</span>
</template>
<script>
export default {
name: 'quicksearch',
props: {
searchtype: {
type: String,
required: true
},
name: {
type: String,
required: false
},
value: {
type: String,
required: false,
default: ''
},
needle: {
type: String,
required: false,
default: ''
},
autocomplete: {
type: Boolean,
required: false,
default: false
},
containerclass: {
type: String,
required: false,
default: ''
}
},
inheritAttrs: false,
data () {
return {
searching: false,
debounceTimeout: null,
selected: null,
results: [],
errorMessage: null,
inputValue: null,
returnValue: null,
initialValue: null
};
},
methods: {
initialize (value, displayname) {
this.initialValue = value;
this.inputValue = displayname ?? value;
this.returnValue = value;
},
search (needle) {
clearTimeout(this.debounceTimeout);
this.debounceTimeout = setTimeout(() => {
let data = []
if ($(this.$el).closest("form").length > 0) {
data = $(this.$el).closest("form").serializeArray();
}
data.push({
name: "request",
value: needle
});
$.post(
STUDIP.URLHelper.getURL("dispatch.php/quicksearch/response/" + this.searchtype),
data
).done(response => {
this.selected = null;
this.results = response;
this.errorMessage = null;
}).fail(response => {
this.errorMessage = response.responseText;
}).always(() => {
this.searching = false;
});
this.searching = true;
}, 500);
},
select (result) {
this.inputValue = result.item_search_name;
this.initialValue = this.inputValue;
if (this.autocomplete) {
this.returnValue = result.item_search_name;
} else {
this.returnValue = result.item_id;
}
this.results = [];
this.$emit('input', this.returnValue, this.inputValue);
this.inputValue = '';
},
selectUp () {
if (this.selected > 0) {
this.selected -= 1;
} else if (this.selected === null) {
this.selected = this.results.length - 1;
} else {
this.selected = null;
}
},
selectDown () {
if (this.selected === null) {
this.selected = 0;
} else if (this.selected < this.results.length - 1) {
this.selected += 1;
} else {
this.selected = null;
}
},
selectByKey () {
if (this.selected !== null) {
this.select(this.results[this.selected]);
}
return false;
},
reset (clear = false) {
setTimeout(() => {
this.results = [];
this.selected = null;
if (clear) {
this.returnValue = this.initialValue;
this.inputValue = this.initialValue;
}
}, clear ? 0 : 200);
}
},
created () {
this.initialize(
this.value,
this.autocomplete ? this.value : this.needle
);
},
computed: {
isVisible() {
return this.results.length > 0 || this.errorMessage !== null;
}
},
watch: {
value (val) {
this.reset(true);
this.initialize(val);
},
inputValue (needle, oldneedle) {
if (oldneedle !== null && (oldneedle !== needle) && needle.length > 2) {
this.search(needle);
}
}
}
}
</script>
|
