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<template>
<div class="fixed left-0 top-0 w-full h-full bg-black/40" @click="onClose" ref="rootRef">
<div class="absolute left-1/2 -translate-x-1/2 top-1/4 -translate-y-1/2 min-w-3/4 md:min-w-[12cm] flex"
:style="styles">
<input type="text" class="block border p-1 px-2 rounded-l-[inherit] grow" ref="inputRef"
@keyup.enter="onSearch" @keyup.esc="onClose"
@input="onInput" @keydown.down.prevent="onDownKey" @keydown.up.prevent="onUpKey"/>
<div class="p-1 hover:cursor-pointer">
<search-icon @click.stop="onSearch" class="w-8 h-8"/>
</div>
<div class="absolute top-[100%] w-full overflow-hidden" :style="suggContainerStyles">
<div v-for="(sugg, idx) of searchSuggs" :key="sugg.name + '|' + sugg.canonicalName"
:style="{backgroundColor: idx == focusedSuggIdx ? uiOpts.bgColorAltDark : uiOpts.bgColorAlt}"
class="border-b p-1 px-2 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 text-lime-600">{{suggDisplayStrings[idx][1]}}</span>
<span>{{suggDisplayStrings[idx][2]}}</span>
<span class="text-stone-500">{{suggDisplayStrings[idx][3]}}</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">• • •</div>
</div>
<label :style="animateLabelStyles" class="flex gap-1">
<input type="checkbox" v-model="uiOpts.searchJumpMode" @change="$emit('setting-chg', 'searchJumpMode')"/>
<div class="text-sm">Jump to result</div>
</label>
</div>
</div>
</template>
<script setup lang="ts">
import {ref, computed, onMounted, onUnmounted, PropType} from 'vue';
import SearchIcon from './icon/SearchIcon.vue';
import InfoIcon from './icon/InfoIcon.vue';
import {TolNode, TolMap} from '../tol';
import {LayoutNode, LayoutMap, LayoutOptions} from '../layout';
import {queryServer, SearchSugg, SearchSuggResponse, UiOptions} from '../lib';
// Refs
const rootRef = ref(null as HTMLDivElement | null);
const inputRef = ref(null as HTMLInputElement | null);
// Props + events
const props = defineProps({
lytMap: {type: Object as PropType<LayoutMap>, required: true}, // Used to check if a searched-for node exists
activeRoot: {type: Object as PropType<LayoutNode>, required: true}, // Sent to server to reduce response size
tolMap: {type: Object as PropType<TolMap>, required: true}, // Upon a search response, gets new nodes added
lytOpts: {type: Object as PropType<LayoutOptions>, required: true},
uiOpts: {type: Object as PropType<UiOptions>, required: true},
});
const emit = defineEmits(['search', 'close', 'info-click', 'setting-chg', 'net-wait', 'net-get']);
// Search-suggestion data
const searchSuggs = ref([] as SearchSugg[]);
const searchHadMoreSuggs = ref(false);
const suggDisplayStrings = computed((): [string, string, string, string][] => {
let result: [string, string, string, string][] = [];
let input = suggsInput.value.toLowerCase();
// For each SearchSugg
for (let sugg of searchSuggs.value){
let idx = sugg.name.indexOf(input);
// Split suggestion text into parts before/within/after an input match
let strings: [string, 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[3] = ` (aka ${sugg.canonicalName})`;
}
//
result.push(strings);
}
return result;
});
const suggsInput = ref(''); // The input that resulted in the current suggestions (used to highlight matching text)
const focusedSuggIdx = ref(null as null | number); // Index of a search-suggestion selected using the arrow keys
// For search-suggestion requests
const lastSuggReqTime = ref(0); // Set when a search-suggestions request is initiated
const pendingSuggReqParams = ref(null as null | URLSearchParams);
// Used by a search-suggestion requester to request with the latest user input
const pendingDelayedSuggReq = ref(0); // Set via setTimeout() for a non-initial search-suggestions request
const pendingSuggInput = ref(''); // Used to remember what input triggered a suggestions request
async function onInput(){
let input = inputRef.value!;
// Check for empty input
if (input.value.length == 0){
searchSuggs.value = [];
searchHadMoreSuggs.value = false;
focusedSuggIdx.value = null;
return;
}
// Get URL params to use for querying search-suggestions
let urlParams = new URLSearchParams({
type: 'sugg',
name: input.value,
limit: String(props.uiOpts.searchSuggLimit),
tree: props.uiOpts.tree,
});
// Query server, delaying/skipping if a request was recently sent
pendingSuggReqParams.value = urlParams;
pendingSuggInput.value = input.value;
let doReq = async () => {
let suggInput = pendingSuggInput.value;
let responseObj: SearchSuggResponse =
await queryServer(pendingSuggReqParams.value!);
if (responseObj == null){
return;
}
searchSuggs.value = responseObj.suggs;
searchHadMoreSuggs.value = responseObj.hasMore;
suggsInput.value = suggInput;
// Auto-select first result if present
if (searchSuggs.value.length > 0){
focusedSuggIdx.value = 0;
} else {
focusedSuggIdx.value = null;
}
};
let currentTime = new Date().getTime();
if (lastSuggReqTime.value == 0){
lastSuggReqTime.value = currentTime;
await doReq();
if (lastSuggReqTime.value == currentTime){
lastSuggReqTime.value = 0;
}
} else if (pendingDelayedSuggReq.value == 0){
lastSuggReqTime.value = currentTime;
pendingDelayedSuggReq.value = setTimeout(async () => {
pendingDelayedSuggReq.value = 0;
await doReq();
if (lastSuggReqTime.value == currentTime){
lastSuggReqTime.value = 0;
}
}, 300);
}
}
// For search events
function onSearch(){
if (focusedSuggIdx.value == null){
let input = inputRef.value!.value.toLowerCase();
resolveSearch(input)
} else {
let sugg = searchSuggs.value[focusedSuggIdx.value]
resolveSearch(sugg.canonicalName || sugg.name);
}
}
async function resolveSearch(tolNodeName: string){
if (tolNodeName == ''){
return;
}
// Check if the node data is already here
if (props.lytMap.has(tolNodeName)){
emit('search', tolNodeName);
return;
}
// Ask server for nodes in parent-chain, updates tolMap, then emits search event
let urlParams = new URLSearchParams({
type: 'node',
name: tolNodeName,
toroot: '1',
excl: props.activeRoot.name,
tree: props.uiOpts.tree,
});
emit('net-wait'); // Allows the parent component to show a loading-indicator
let responseObj: {[x: string]: TolNode} = await queryServer(urlParams);
emit('net-get');
if (responseObj == null){
return;
}
let keys = Object.getOwnPropertyNames(responseObj);
if (keys.length > 0){
keys.forEach(key => {
if (!props.tolMap.has(key)){
props.tolMap.set(key, responseObj[key])
}
});
emit('search', tolNodeName);
} else {
// Trigger failure animation
let input = inputRef.value!;
input.classList.remove('animate-red-then-fade');
input.offsetWidth; // Triggers reflow
input.classList.add('animate-red-then-fade');
}
}
// More event handling
function onClose(evt: Event){
if (evt.target == rootRef.value){
emit('close');
}
}
function onDownKey(){
if (focusedSuggIdx.value != null){
focusedSuggIdx.value = (focusedSuggIdx.value + 1) % searchSuggs.value.length;
}
}
function onUpKey(){
if (focusedSuggIdx.value != null){
focusedSuggIdx.value = (focusedSuggIdx.value - 1 + searchSuggs.value.length) % searchSuggs.value.length;
// The addition after '-1' is to avoid becoming negative
}
}
function onInfoIconClick(nodeName: string){
emit('info-click', nodeName);
}
// For keyboard shortcuts
function onKeyDown(evt: KeyboardEvent){
if (props.uiOpts.disableShortcuts){
return;
}
if (evt.key == 'f' && evt.ctrlKey){
evt.preventDefault();
inputRef.value!.focus();
}
}
onMounted(() => window.addEventListener('keydown', onKeyDown))
onUnmounted(() => window.removeEventListener('keydown', onKeyDown))
// Focus input on mount
onMounted(() => inputRef.value!.focus())
// Styles
const styles = computed((): Record<string,string> => {
let br = props.uiOpts.borderRadius;
return {
backgroundColor: props.uiOpts.bgColorAlt,
borderRadius: (searchSuggs.value.length == 0) ? `${br}px` : `${br}px ${br}px 0 0`,
boxShadow: props.uiOpts.shadowNormal,
};
});
const suggContainerStyles = computed((): Record<string,string> => {
let br = props.uiOpts.borderRadius;
return {
backgroundColor: props.uiOpts.bgColorAlt,
color: props.uiOpts.textColorAlt,
borderRadius: `0 0 ${br}px ${br}px`,
};
});
const animateLabelStyles = computed(() => ({
position: 'absolute',
top: -props.lytOpts.headerSz - 2 + 'px',
right: '0',
height: props.lytOpts.headerSz + 'px',
color: props.uiOpts.textColor,
}));
</script>
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