90 lines
2.3 KiB
JavaScript
90 lines
2.3 KiB
JavaScript
"use strict";
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const $ = require("jquery");
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const socket = require("../socket");
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const render = require("../render");
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const condensed = require("../condensed");
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const chat = $("#chat");
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const {Vue, vueApp, findChannel} = require("../vue");
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socket.on("more", function(data) {
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let chan = chat.find("#chan-" + data.chan);
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const type = chan.data("type");
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chan = chan.find(".messages");
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// get the scrollable wrapper around messages
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const scrollable = chan.closest(".chat");
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const heightOld = chan.height() - scrollable.scrollTop();
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// If there are no more messages to show, just hide the button and do nothing else
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if (!data.messages.length) {
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scrollable.find(".show-more").removeClass("show");
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return;
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}
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const channel = findChannel(data.chan);
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if (!channel) {
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return;
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}
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channel.channel.messages.unshift(...data.messages);
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Vue.nextTick(() => {
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// restore scroll position
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const position = chan.height() - heightOld;
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scrollable.finish().scrollTop(position);
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});
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if (data.messages.length !== 100) {
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scrollable.find(".show-more").removeClass("show");
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}
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// Swap button text back from its alternative label
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const showMoreBtn = scrollable.find(".show-more button");
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swapText(showMoreBtn);
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showMoreBtn.prop("disabled", false);
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return;
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// Join duplicate condensed messages together
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const condensedDuplicate = chan.find(".msg.condensed + .msg.condensed");
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if (condensedDuplicate) {
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const condensedCorrect = condensedDuplicate.prev();
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condensed.updateText(condensedCorrect, condensed.getStoredTypes(condensedDuplicate));
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condensedCorrect
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.append(condensedDuplicate.find(".msg"))
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.toggleClass("closed", condensedDuplicate.hasClass("closed"));
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condensedDuplicate.remove();
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}
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});
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chat.on("click", ".show-more button", function() {
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const self = $(this);
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const lastMessage = self.closest(".chat").find(".msg:not(.condensed)").first();
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let lastMessageId = -1;
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if (lastMessage.length > 0) {
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lastMessageId = parseInt(lastMessage.prop("id").replace("msg-", ""), 10);
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}
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// Swap button text with its alternative label
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swapText(self);
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self.prop("disabled", true);
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socket.emit("more", {
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target: self.data("id"),
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lastId: lastMessageId,
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});
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});
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// Given a button, swap its text with the content of `data-alt-text`
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function swapText(btn) {
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const altText = btn.data("alt-text");
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btn.data("alt-text", btn.text()).text(altText);
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}
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