mirror of
https://github.com/thelounge/thelounge
synced 2024-11-25 21:40:22 +00:00
358 lines
8.3 KiB
Vue
358 lines
8.3 KiB
Vue
<template>
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<form id="form" method="post" action="" @submit.prevent="onSubmit">
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<span id="upload-progressbar" />
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<span id="nick">{{ network.nick }}</span>
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<textarea
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id="input"
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ref="input"
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dir="auto"
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class="mousetrap"
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enterkeyhint="send"
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:value="channel.pendingMessage"
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:placeholder="getInputPlaceholder(channel)"
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:aria-label="getInputPlaceholder(channel)"
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@input="setPendingMessage"
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@keypress.enter.exact.prevent="onSubmit"
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@blur="onBlur"
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/>
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<span
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v-if="store.state.serverConfiguration?.fileUpload"
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id="upload-tooltip"
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class="tooltipped tooltipped-w tooltipped-no-touch"
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aria-label="Upload file"
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@click="openFileUpload"
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>
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<input
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id="upload-input"
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ref="uploadInput"
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type="file"
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aria-labelledby="upload"
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multiple
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@change="onUploadInputChange"
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/>
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<button
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id="upload"
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type="button"
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aria-label="Upload file"
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:disabled="!store.state.isConnected"
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/>
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</span>
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<span
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id="submit-tooltip"
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class="tooltipped tooltipped-w tooltipped-no-touch"
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aria-label="Send message"
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>
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<button
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id="submit"
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type="submit"
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aria-label="Send message"
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:disabled="!store.state.isConnected"
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/>
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</span>
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</form>
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</template>
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<script lang="ts">
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import Mousetrap from "mousetrap";
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import {wrapCursor} from "undate";
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import autocompletion from "../js/autocompletion";
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import {commands} from "../js/commands/index";
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import socket from "../js/socket";
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import upload from "../js/upload";
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import eventbus from "../js/eventbus";
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import {watch, defineComponent, nextTick, onMounted, PropType, ref, onUnmounted} from "vue";
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import type {ClientNetwork, ClientChan} from "../js/types";
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import {useStore} from "../js/store";
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import {ChanType} from "../../shared/types/chan";
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const formattingHotkeys = {
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"mod+k": "\x03",
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"mod+b": "\x02",
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"mod+u": "\x1F",
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"mod+i": "\x1D",
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"mod+o": "\x0F",
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"mod+s": "\x1e",
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"mod+m": "\x11",
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};
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// Autocomplete bracket and quote characters like in a modern IDE
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// For example, select `text`, press `[` key, and it becomes `[text]`
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const bracketWraps = {
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'"': '"',
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"'": "'",
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"(": ")",
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"<": ">",
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"[": "]",
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"{": "}",
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"*": "*",
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"`": "`",
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"~": "~",
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_: "_",
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};
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export default defineComponent({
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name: "ChatInput",
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props: {
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network: {type: Object as PropType<ClientNetwork>, required: true},
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channel: {type: Object as PropType<ClientChan>, required: true},
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},
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setup(props) {
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const store = useStore();
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const input = ref<HTMLTextAreaElement>();
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const uploadInput = ref<HTMLInputElement>();
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const autocompletionRef = ref<ReturnType<typeof autocompletion>>();
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const setInputSize = () => {
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void nextTick(() => {
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if (!input.value) {
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return;
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}
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const style = window.getComputedStyle(input.value);
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const lineHeight = parseFloat(style.lineHeight) || 1;
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// Start by resetting height before computing as scrollHeight does not
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// decrease when deleting characters
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input.value.style.height = "";
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// Use scrollHeight to calculate how many lines there are in input, and ceil the value
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// because some browsers tend to incorrently round the values when using high density
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// displays or using page zoom feature
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input.value.style.height = `${
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Math.ceil(input.value.scrollHeight / lineHeight) * lineHeight
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}px`;
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});
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};
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const setPendingMessage = (e: Event) => {
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props.channel.pendingMessage = (e.target as HTMLInputElement).value;
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props.channel.inputHistoryPosition = 0;
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setInputSize();
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};
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const getInputPlaceholder = (channel: ClientChan) => {
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if (channel.type === ChanType.CHANNEL || channel.type === ChanType.QUERY) {
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return `Write to ${channel.name}`;
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}
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return "";
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};
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const onSubmit = () => {
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if (!input.value) {
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return;
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}
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// Triggering click event opens the virtual keyboard on mobile
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// This can only be called from another interactive event (e.g. button click)
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input.value.click();
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input.value.focus();
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if (!store.state.isConnected) {
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return false;
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}
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const target = props.channel.id;
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const text = props.channel.pendingMessage;
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if (text.length === 0) {
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return false;
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}
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if (autocompletionRef.value) {
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autocompletionRef.value.hide();
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}
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props.channel.inputHistoryPosition = 0;
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props.channel.pendingMessage = "";
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input.value.value = "";
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setInputSize();
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// Store new message in history if last message isn't already equal
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if (props.channel.inputHistory[1] !== text) {
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props.channel.inputHistory.splice(1, 0, text);
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}
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// Limit input history to a 100 entries
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if (props.channel.inputHistory.length > 100) {
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props.channel.inputHistory.pop();
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}
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if (text[0] === "/") {
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const args = text.substring(1).split(" ");
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const cmd = args.shift()?.toLowerCase();
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if (!cmd) {
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return false;
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}
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if (Object.prototype.hasOwnProperty.call(commands, cmd) && commands[cmd](args)) {
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return false;
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}
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}
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socket.emit("input", {target, text});
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};
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const onUploadInputChange = () => {
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if (!uploadInput.value || !uploadInput.value.files) {
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return;
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}
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const files = Array.from(uploadInput.value.files);
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upload.triggerUpload(files);
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uploadInput.value.value = ""; // Reset <input> element so you can upload the same file
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};
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const openFileUpload = () => {
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uploadInput.value?.click();
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};
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const blurInput = () => {
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input.value?.blur();
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};
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const onBlur = () => {
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if (autocompletionRef.value) {
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autocompletionRef.value.hide();
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}
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};
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watch(
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() => props.channel.id,
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() => {
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if (autocompletionRef.value) {
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autocompletionRef.value.hide();
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}
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}
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);
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watch(
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() => props.channel.pendingMessage,
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() => {
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setInputSize();
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}
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);
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onMounted(() => {
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eventbus.on("escapekey", blurInput);
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if (store.state.settings.autocomplete) {
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if (!input.value) {
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throw new Error("ChatInput autocomplete: input element is not available");
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}
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autocompletionRef.value = autocompletion(input.value);
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}
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const inputTrap = Mousetrap(input.value);
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inputTrap.bind(Object.keys(formattingHotkeys), function (e, key) {
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const modifier = formattingHotkeys[key];
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if (!e.target) {
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return;
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}
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wrapCursor(
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e.target as HTMLTextAreaElement,
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modifier,
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(e.target as HTMLTextAreaElement).selectionStart ===
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(e.target as HTMLTextAreaElement).selectionEnd
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? ""
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: modifier
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);
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return false;
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});
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inputTrap.bind(Object.keys(bracketWraps), function (e, key) {
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if (
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(e.target as HTMLTextAreaElement)?.selectionStart !==
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(e.target as HTMLTextAreaElement).selectionEnd
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) {
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wrapCursor(e.target as HTMLTextAreaElement, key, bracketWraps[key]);
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return false;
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}
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});
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inputTrap.bind(["up", "down"], (e, key) => {
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if (
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store.state.isAutoCompleting ||
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(e.target as HTMLTextAreaElement).selectionStart !==
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(e.target as HTMLTextAreaElement).selectionEnd ||
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!input.value
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) {
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return;
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}
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const onRow = (
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input.value.value.slice(undefined, input.value.selectionStart).match(/\n/g) ||
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[]
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).length;
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const totalRows = (input.value.value.match(/\n/g) || []).length;
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const {channel} = props;
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if (channel.inputHistoryPosition === 0) {
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channel.inputHistory[channel.inputHistoryPosition] = channel.pendingMessage;
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}
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if (key === "up" && onRow === 0) {
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if (channel.inputHistoryPosition < channel.inputHistory.length - 1) {
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channel.inputHistoryPosition++;
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} else {
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return;
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}
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} else if (
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key === "down" &&
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channel.inputHistoryPosition > 0 &&
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onRow === totalRows
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) {
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channel.inputHistoryPosition--;
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} else {
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return;
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}
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channel.pendingMessage = channel.inputHistory[channel.inputHistoryPosition];
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input.value.value = channel.pendingMessage;
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setInputSize();
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return false;
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});
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if (store.state.serverConfiguration?.fileUpload) {
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upload.mounted();
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}
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});
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onUnmounted(() => {
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eventbus.off("escapekey", blurInput);
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if (autocompletionRef.value) {
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autocompletionRef.value.destroy();
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autocompletionRef.value = undefined;
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}
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upload.unmounted();
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upload.abort();
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});
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return {
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store,
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input,
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uploadInput,
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onUploadInputChange,
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openFileUpload,
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blurInput,
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onBlur,
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setInputSize,
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upload,
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getInputPlaceholder,
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onSubmit,
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setPendingMessage,
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};
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},
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});
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</script>
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