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<script lang="ts">
import {defineComponent, PropType} from 'vue';
import SearchIcon from './icon/SearchIcon.vue';
import LogInIcon from './icon/LogInIcon.vue';
import InfoIcon from './icon/InfoIcon.vue';
import {TolNode, TolMap, UiOptions, SearchSugg, SearchSuggResponse} from '../lib';
import {LayoutNode, LayoutOptions} from '../layout';
export default defineComponent({
props: {
tolMap: {type: Object as PropType<TolMap>, required: true}, // Added to from a search response
lytOpts: {type: Object as PropType<LayoutOptions>, required: true},
uiOpts: {type: Object as PropType<UiOptions>, required: true},
},
data(){
return {
// For search-suggestion requests
lastSuggReqTime: 0, // Set when a search-suggestions request is initiated
pendingSuggReqUrl: '', // Used by a search-suggestion requester to use the latest user input
pendingDelayedSuggReq: 0, // Set via setTimeout() for a non-initial search-suggestions request
// Search-suggestion data
searchSuggs: [] as SearchSugg[],
searchHadMoreSuggs: false,
// Other
focusedSuggIdx: null as null | number, // Denotes a search-suggestion selected using the arrow keys
};
},
computed: {
styles(): Record<string,string> {
return {
backgroundColor: this.uiOpts.bgColorAlt,
borderRadius: this.uiOpts.borderRadius + 'px',
boxShadow: this.uiOpts.shadowNormal,
};
},
suggDisplayStrings(): [string, string, string][] {
let result: [string, string, string][] = [];
let input = (this.$refs.searchInput as HTMLInputElement).value;
// For each SearchSugg
for (let sugg of this.searchSuggs){
let idx = sugg.name.indexOf(input);
// Split suggestion text into parts before/within/after an input match
let strings: [string, string, string];
if (idx != -1){
strings = [sugg.name.substring(0, idx), input, sugg.name.substring(idx + input.length)];
} else {
strings = [input, '', ''];
}
// Indicate any distinct canonical-name
if (sugg.canonicalName != null){
strings[2] += ` (aka ${sugg.canonicalName})`;
}
//
result.push(strings);
}
return result;
},
},
methods: {
// Search-suggestion events
async onInput(){
let input = this.$refs.searchInput as HTMLInputElement;
// Check for empty input
if (input.value.length == 0){
this.searchSuggs = [];
this.searchHadMoreSuggs = false;
this.focusedSuggIdx = null;
return;
}
// Get URL to use for querying search-suggestions
let url = new URL(window.location.href);
url.pathname = '/data/search';
url.search = '?name=' + encodeURIComponent(input.value);
url.search += this.uiOpts.useReducedTree ? '&tree=reduced' : '';
url.search += '&limit=' + this.uiOpts.searchSuggLimit;
// Query server, delaying/skipping if a request was recently sent
this.pendingSuggReqUrl = url.toString();
let doReq = async () => {
let responseObj: SearchSuggResponse;
try {
let response = await fetch(this.pendingSuggReqUrl);
responseObj = await response.json();
} catch (error){
console.log('Error with getting search suggestions from server: ' + error)
return;
}
this.searchSuggs = responseObj.suggs;
this.searchHadMoreSuggs = responseObj.hasMore;
// Auto-select first result if present
if (this.searchSuggs.length > 0){
this.focusedSuggIdx = 0;
} else {
this.focusedSuggIdx = null;
}
};
let currentTime = new Date().getTime();
if (this.lastSuggReqTime == 0){
this.lastSuggReqTime = currentTime;
await doReq();
if (this.lastSuggReqTime == currentTime){
this.lastSuggReqTime = 0;
}
} else if (this.pendingDelayedSuggReq == 0){
this.lastSuggReqTime = currentTime;
this.pendingDelayedSuggReq = setTimeout(async () => {
this.pendingDelayedSuggReq = 0;
await doReq();
if (this.lastSuggReqTime == currentTime){
this.lastSuggReqTime = 0;
}
}, 300);
}
},
onInfoIconClick(nodeName: string){
this.$emit('info-click', nodeName);
},
onDownKey(){
if (this.focusedSuggIdx != null){
this.focusedSuggIdx = (this.focusedSuggIdx + 1) % this.searchSuggs.length;
}
},
onUpKey(){
if (this.focusedSuggIdx != null){
this.focusedSuggIdx = (this.focusedSuggIdx - 1 + this.searchSuggs.length) % this.searchSuggs.length;
// The addition after -1 is to avoid becoming negative
}
},
// Search events
onSearch(){
if (this.focusedSuggIdx == null){
let input = (this.$refs.searchInput as HTMLInputElement).value.toLowerCase();
this.resolveSearch(input)
} else {
let sugg = this.searchSuggs[this.focusedSuggIdx]
this.resolveSearch(sugg.canonicalName || sugg.name);
}
},
async resolveSearch(tolNodeName: string){
if (tolNodeName == ''){
return;
}
// Ask server for nodes in parent-chain, updates tolMap, then emits search event
let url = new URL(window.location.href);
url.pathname = '/data/chain';
url.search = '?name=' + encodeURIComponent(tolNodeName);
url.search += (this.uiOpts.useReducedTree ? '&tree=reduced' : '');
let responseObj: {[x: string]: TolNode};
try {
let response = await fetch(url.toString());
responseObj = await response.json();
} catch (error){
console.log('Error with getting tolnode chain: ' + error);
return;
}
let keys = Object.getOwnPropertyNames(responseObj);
if (keys.length > 0){
keys.forEach(key => {
if (!this.tolMap.has(key)){
this.tolMap.set(key, responseObj[key])
}
});
this.$emit('search', tolNodeName);
} else {
// Trigger failure animation
let input = this.$refs.searchInput as HTMLInputElement;
input.classList.remove('animate-red-then-fade');
input.offsetWidth; // Triggers reflow
input.classList.add('animate-red-then-fade');
}
},
// Other
onSearchModeChg(){
this.uiOpts.searchJumpMode = !this.uiOpts.searchJumpMode;
this.$emit('setting-chg', 'searchJumpMode');
},
onClose(evt: Event){
if (evt.target == this.$el){
this.$emit('close');
}
},
focusInput(){ // Used from external component
(this.$refs.searchInput as HTMLInputElement).focus();
},
},
mounted(){
(this.$refs.searchInput as HTMLInputElement).focus();
},
components: {SearchIcon, InfoIcon, LogInIcon, },
emits: ['search', 'close', 'info-click', 'setting-chg', ],
});
</script>
<template>
<div class="fixed left-0 top-0 w-full h-full bg-black/40" @click="onClose">
<div class="absolute left-1/2 -translate-x-1/2 top-1/4 w-3/4 -translate-y-1/2 flex" :style="styles">
<div class="relative grow m-2">
<input type="text" class="block border p-1 w-full" ref="searchInput"
@keyup.enter="onSearch" @keyup.esc="onClose"
@input="onInput" @keydown.down.prevent="onDownKey" @keydown.up.prevent="onUpKey"/>
<div class="absolute top-[100%] w-full"
:style="{backgroundColor: uiOpts.bgColorAlt, color: uiOpts.textColorAlt}">
<div v-for="(sugg, idx) of searchSuggs"
:style="{backgroundColor: idx == focusedSuggIdx ? uiOpts.bgColorAltDark : uiOpts.bgColorAlt}"
class="border p-1 hover:underline hover:cursor-pointer flex"
@click="resolveSearch(sugg.canonicalName || sugg.name)">
<div class="grow overflow-hidden whitespace-nowrap text-ellipsis">
<span>{{suggDisplayStrings[idx][0]}}</span>
<span class="font-bold">{{suggDisplayStrings[idx][1]}}</span>
<span>{{suggDisplayStrings[idx][2]}}</span>
</div>
<info-icon class="hover:cursor-pointer my-auto w-5 h-5"
@click.stop="onInfoIconClick(sugg.canonicalName || sugg.name)"/>
</div>
<div v-if="searchHadMoreSuggs" class="text-center border">...</div>
</div>
</div>
<div class="my-auto hover:cursor-pointer hover:brightness-75 rounded border shadow">
<search-icon @click.stop="onSearch" class="block w-8 h-8"/>
</div>
<div class="my-auto mx-2 hover:cursor-pointer hover:brightness-75 rounded">
<log-in-icon @click.stop="onSearchModeChg" class="block w-8 h-8"
:class="uiOpts.searchJumpMode ? 'opacity-100' : 'opacity-30'"/>
</div>
</div>
</div>
</template>
<style>
.animate-red-then-fade {
animation-name: red-then-fade;
animation-duration: 500ms;
animation-timing-function: ease-in;
}
@keyframes red-then-fade {
from {
background-color: rgba(255,0,0,0.2);
}
to {
background-color: transparent;
}
}
</style>
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