b6512b2d8c
- Gewijzigde logica voor hoogtebepaling chat-input en message history, zodat ook de mobiele client correct functioneert.
442 lines
14 KiB
Vue
442 lines
14 KiB
Vue
<template>
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<div class="message-history-container">
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<!-- Normal messages container -->
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<div class="chat-messages" ref="messagesContainer">
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<!-- Loading indicator for load more -->
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<div v-if="$slots.loading" class="load-more-indicator">
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<slot name="loading"></slot>
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</div>
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<!-- Messages wrapper for bottom alignment -->
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<div class="messages-wrapper">
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<!-- Normal message list (excluding temporarily positioned AI messages) -->
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<template v-if="normalMessages.length > 0">
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<!-- Messages -->
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<template v-for="(message, index) in normalMessages" :key="message.id">
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<!-- The actual message -->
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<chat-message
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:message="message"
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:is-submitting-form="isSubmittingForm"
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:api-prefix="apiPrefix"
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:is-latest-ai-message="isLatestAiMessage(message)"
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@image-loaded="handleImageLoaded"
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@specialist-complete="$emit('specialist-complete', $event)"
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@specialist-error="$emit('specialist-error', $event)"
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></chat-message>
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</template>
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</template>
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<!-- Typing indicator -->
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<typing-indicator v-if="isTyping"></typing-indicator>
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</div>
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</div>
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</div>
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</template>
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<script>
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import ChatMessage from './ChatMessage.vue';
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import TypingIndicator from './TypingIndicator.vue';
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import { useTranslationClient } from '../js/composables/useTranslation.js';
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export default {
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name: 'MessageHistory',
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components: {
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'chat-message': ChatMessage,
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'typing-indicator': TypingIndicator
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},
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setup() {
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const { translateSafe } = useTranslationClient();
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return {
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translateSafe
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};
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},
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props: {
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messages: {
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type: Array,
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default: () => []
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},
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isTyping: {
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type: Boolean,
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default: false
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},
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isSubmittingForm: {
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type: Boolean,
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default: false
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},
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apiPrefix: {
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type: String,
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default: ''
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},
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autoScroll: {
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type: Boolean,
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default: true
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}
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},
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emits: ['load-more', 'specialist-complete', 'specialist-error'],
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data() {
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return {
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isAtBottom: true,
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showScrollButton: false,
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unreadCount: 0,
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languageChangeHandler: null,
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_prevSnapshot: { length: 0, firstId: null, lastId: null },
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};
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},
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computed: {
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// Messages that should be shown in normal flow (excluding temporarily positioned AI messages)
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normalMessages() {
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return this.messages.filter(msg => !msg.isTemporarilyAtBottom);
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},
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},
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watch: {
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messages: {
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async handler(newMessages, oldMessages) {
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const prev = this._prevSnapshot || { length: 0, firstId: null, lastId: null };
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const curr = this.makeSnapshot(newMessages);
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const container = this.$refs.messagesContainer;
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const lengthIncreased = curr.length > prev.length;
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const lengthDecreased = curr.length < prev.length; // reset/trim
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const appended = lengthIncreased && curr.lastId !== prev.lastId;
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const prepended = lengthIncreased && curr.firstId !== prev.firstId && curr.lastId === prev.lastId;
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const mutatedLastSameLength = curr.length === prev.length && curr.lastId === prev.lastId;
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if (prepended && container) {
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// Load-more bovenaan: positie behouden
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const before = container.scrollHeight;
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await this.nextFrame();
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await this.nextFrame();
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this.preserveScrollOnPrepend(before);
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} else if (appended) {
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// Nieuw bericht onderaan: altijd naar beneden (eis)
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await this.scrollToBottom(true, { smooth: true, retries: 2 });
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} else if (mutatedLastSameLength) {
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// Laatste bericht groeit (AI streaming/media). Alleen sticky als we al onderaan waren of autoScroll actief is
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if (this.autoScroll || this.isAtBottom) {
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await this.scrollToBottom(false, { smooth: true, retries: 2 });
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}
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} else if (lengthDecreased && this.autoScroll) {
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// Lijst verkort (reset): terug naar onderen
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await this.scrollToBottom(true, { smooth: false, retries: 2 });
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}
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this._prevSnapshot = curr;
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},
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deep: true,
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immediate: false,
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},
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},
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created() {
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// Maak een benoemde handler voor betere cleanup
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this.languageChangeHandler = (event) => {
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if (event.detail && event.detail.language) {
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this.handleLanguageChange(event);
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}
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};
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// Luister naar taalwijzigingen
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document.addEventListener('language-changed', this.languageChangeHandler);
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},
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mounted() {
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this.setupScrollListener();
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if (this.autoScroll) {
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this.$nextTick(() => this.scrollToBottom(true, { smooth: false, retries: 2 }));
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}
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this._onResize = this.debounce(() => {
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if (this.autoScroll || this.isAtBottom) {
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this.scrollToBottom(false, { smooth: true, retries: 1 });
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}
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}, 150);
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window.addEventListener('resize', this._onResize);
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const wrapper = this.$el.querySelector('.messages-wrapper');
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if (window.ResizeObserver && wrapper) {
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this._resizeObserver = new ResizeObserver(() => {
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if (this.autoScroll || this.isAtBottom) {
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this.scrollToBottom(false, { smooth: true, retries: 1 });
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}
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});
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this._resizeObserver.observe(wrapper);
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}
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},
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beforeUnmount() {
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const container = this.$refs.messagesContainer;
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if (container) container.removeEventListener('scroll', this.handleScroll);
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if (this.languageChangeHandler) {
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document.removeEventListener('language-changed', this.languageChangeHandler);
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}
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if (this._onResize) window.removeEventListener('resize', this._onResize);
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if (this._resizeObserver) this._resizeObserver.disconnect();
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},
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methods: {
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async handleLanguageChange(event) {
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// Controleer of dit het eerste bericht is in een gesprek met maar één bericht
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if (this.messages.length === 1 && this.messages[0].sender === 'ai') {
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const firstMessage = this.messages[0];
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// Controleer of we een originele inhoud hebben om te vertalen
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if (firstMessage.content) {
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if (!firstMessage.originalContent) {
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firstMessage.originalContent = firstMessage.content;
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}
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console.log('Originele inhoud van eerste AI bericht:', firstMessage.originalContent);
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console.log('Content eerste AI bericht:', firstMessage.content);
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console.log('Vertaling van eerste AI bericht naar:', event.detail.language);
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try {
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// Gebruik moderne translateSafe composable
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const translatedText = await this.translateSafe(
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firstMessage.originalContent,
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event.detail.language,
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{
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context: 'chat_message',
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apiPrefix: this.apiPrefix,
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fallbackText: firstMessage.originalContent
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}
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);
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// Update de inhoud van het bericht
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firstMessage.content = translatedText;
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console.log('Eerste bericht succesvol vertaald');
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} catch (error) {
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console.error('Fout bij vertalen eerste bericht:', error);
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// Fallback naar originele inhoud
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firstMessage.content = firstMessage.originalContent;
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}
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}
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}
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},
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async nextFrame() {
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await this.$nextTick();
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await new Promise(r => requestAnimationFrame(r));
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},
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async scrollToBottom(force = false, { smooth = true, retries = 2 } = {}) {
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const container = this.$refs.messagesContainer;
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if (!container) return;
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const doScroll = (instant = false) => {
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const behavior = instant ? 'auto' : (smooth ? 'smooth' : 'auto');
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container.scrollTo({ top: container.scrollHeight, behavior });
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};
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// Wacht enkele frames om late layout/afbeeldingen te vangen
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for (let i = 0; i < retries; i++) {
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await this.nextFrame();
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}
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// Probeer smooth naar onder
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doScroll(false);
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// Forceer desnoods na nog een frame een harde correctie
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if (force) {
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await this.nextFrame();
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container.scrollTop = container.scrollHeight;
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}
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this.isAtBottom = true;
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this.showScrollButton = false;
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this.unreadCount = 0;
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},
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makeSnapshot(list) {
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const length = list.length;
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const firstId = length ? list[0].id : null;
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const lastId = length ? list[length - 1].id : null;
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return { length, firstId, lastId };
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},
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preserveScrollOnPrepend(beforeHeight) {
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const container = this.$refs.messagesContainer;
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if (!container) return;
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const afterHeight = container.scrollHeight;
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const delta = afterHeight - beforeHeight;
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container.scrollTop = container.scrollTop + delta;
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},
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setupScrollListener() {
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const container = this.$refs.messagesContainer;
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if (!container) return;
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container.addEventListener('scroll', this.handleScroll);
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},
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debounce(fn, wait = 150) {
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let t;
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return (...args) => {
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clearTimeout(t);
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t = setTimeout(() => fn.apply(this, args), wait);
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};
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},
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handleScroll() {
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const container = this.$refs.messagesContainer;
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if (!container) return;
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const threshold = 80; // was 50
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const isNearBottom = container.scrollHeight - container.scrollTop - container.clientHeight < threshold;
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this.isAtBottom = isNearBottom;
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if (container.scrollTop === 0) this.$emit('load-more');
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},
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handleImageLoaded() {
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// Auto-scroll when img load to maintain position
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if (this.isAtBottom) {
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this.$nextTick(() => this.scrollToBottom());
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}
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},
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searchMessages(query) {
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// Simple message search
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if (!query.trim()) return this.messages;
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const searchTerm = query.toLowerCase();
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return this.messages.filter(message =>
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message.content &&
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message.content.toLowerCase().includes(searchTerm)
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);
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},
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isLatestAiMessage(message) {
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// Only AI messages with taskId can be "latest"
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if (message.sender !== 'ai' || !message.taskId) {
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return false;
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}
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// Find the latest AI message with a taskId by iterating in reverse order
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// The latest AI message is the one where the specialist interaction is still active
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for (let i = this.messages.length - 1; i >= 0; i--) {
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const msg = this.messages[i];
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if (msg.sender === 'ai' && msg.taskId) {
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// This is the latest AI message with a taskId
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return msg.id === message.id;
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}
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}
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return false;
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}
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}
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};
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</script>
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<style scoped>
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.message-history-container {
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display: flex;
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flex-direction: column;
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flex: 1;
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/* height: 100%; avoid forcing parent height */
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min-height: 0; /* Laat kinderen scrollen */
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padding: 16px; /* iets minder padding om ruimte te besparen */
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box-sizing: border-box;
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width: 100%;
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max-width: 1000px;
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margin-left: auto;
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margin-right: auto;
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/* overflow: hidden; // mag weg of blijven; met stap 1 clipt dit niet meer */
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}
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.chat-messages {
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flex: 1;
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overflow-y: auto;
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scrollbar-gutter: stable both-edges; /* houdt ruimte vrij voor scrollbar */
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padding-right: 0; /* haal de hack weg */
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margin-right: 0;
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/* Belangrijk: haal min-height: 100% weg en vervang */
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/* min-height: 100%; */
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min-height: 0; /* toestaan dat het kind krimpt voor overflow */
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-webkit-overflow-scrolling: touch; /* betere iOS scroll */
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}
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.messages-wrapper {
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display: flex;
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flex-direction: column;
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justify-content: flex-end;
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min-height: 100%;
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gap: 10px; /* Space between messages */
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}
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.load-more-indicator {
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text-align: center;
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padding: 10px;
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color: #666;
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font-size: 0.9rem;
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}
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.empty-state {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 100%;
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text-align: center;
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color: #666;
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padding: 40px 20px;
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}
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.empty-icon {
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font-size: 3rem;
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margin-bottom: 16px;
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opacity: 0.5;
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}
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.empty-text {
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font-size: 1.2rem;
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font-weight: 500;
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margin-bottom: 8px;
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color: #333;
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}
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.empty-subtext {
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font-size: 0.9rem;
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color: #666;
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max-width: 300px;
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line-height: 1.4;
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}
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/* Scrollbar styling */
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.chat-messages::-webkit-scrollbar {
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width: 6px;
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}
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.chat-messages::-webkit-scrollbar-track {
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background: #f1f1f1;
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border-radius: 3px;
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}
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.chat-messages::-webkit-scrollbar-thumb {
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background: #c1c1c1;
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border-radius: 3px;
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}
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.chat-messages::-webkit-scrollbar-thumb:hover {
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background: #a8a8a8;
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}
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/* Responsive adjustments */
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@media (max-width: 768px) {
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.chat-messages {
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padding: 8px;
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}
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.empty-state {
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padding: 20px 16px;
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}
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.empty-icon {
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font-size: 2.5rem;
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}
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.empty-text {
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font-size: 1.1rem;
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}
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}
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</style> |