From f57d994c5cbfb25110b8a7648503964bbaa65685 Mon Sep 17 00:00:00 2001 From: Mattias Erming Date: Wed, 12 Mar 2014 14:10:53 +0100 Subject: [PATCH] Partial rendering --- client/js/chat.js | 78 +++++++++++++++++--------- js/chat.js | 112 +++++++++++++++++++++++++++++++++++++ js/lib/jquery-2.1.0.min.js | 4 ++ js/lib/mustache.min.js | 1 + lib/models.js | 36 +++++++++--- lib/server.js | 25 +++++++-- 6 files changed, 218 insertions(+), 38 deletions(-) create mode 100644 js/chat.js create mode 100644 js/lib/jquery-2.1.0.min.js create mode 100644 js/lib/mustache.min.js diff --git a/client/js/chat.js b/client/js/chat.js index 85829c6..a3f15d8 100644 --- a/client/js/chat.js +++ b/client/js/chat.js @@ -1,10 +1,15 @@ $(function() { var socket = io.connect(""); - socket.on("event", function(data) { - render(data); - - // Debug - console.log(data); + + $.each([ + "networks", + "channels", + "user", + "messages" + ], function(i, type) { + socket.on(type, function(data) { + render(type, data); + }); }); var chat = $("#chat"); @@ -16,29 +21,48 @@ $(function() { var messages = $("#messages").html(); var users = $("#users").html() - function render(data) { - chat.html(""); - var partials = { - users: users, - messages: messages - }; - data.forEach(function(network) { - chat.append(Mustache.render(channels, network, partials)); - }); - sidebar.html( - Mustache.render(networks, { - networks: data - }) - ); + function render(type, data) { + var target; + if (typeof data.target !== "undefined") { + target = $(".window[data-id='" + data.target + "']"); + } - chat.find(".messages").sticky().scrollToBottom(); - chat.find(".window") - // Sort windows by `data-id` value. - .sort(function(a, b) { return ($(a).data("id") - $(b).data("id")); }) - .last() - .bringToTop() - .find(".input") - .focus(); + switch (type) { + case "networks": + var partials = { + users: users, + messages: messages + }; + chat.html(""); + data.forEach(function(network) { + chat.append(Mustache.render(channels, network, partials)); + }); + sidebar.html( + Mustache.render(networks, { + networks: data + }) + ); + + chat.find(".messages").sticky().scrollToBottom(); + chat.find(".window") + // Sort windows by `data-id` value. + .sort(function(a, b) { return ($(a).data("id") - $(b).data("id")); }) + .last() + .bringToTop() + .find(".input") + .focus(); + break; + + case "users": + target = target.find(".users"); + target.html(Mustache.render(users, {users: data.data})); + break; + + case "messages": + target = target.find(".messages"); + target.append(Mustache.render(messages, {messages: data.data})); + break; + } } chat.on("submit", "form", function() { diff --git a/js/chat.js b/js/chat.js new file mode 100644 index 0000000..85829c6 --- /dev/null +++ b/js/chat.js @@ -0,0 +1,112 @@ +$(function() { + var socket = io.connect(""); + socket.on("event", function(data) { + render(data); + + // Debug + console.log(data); + }); + + var chat = $("#chat"); + var sidebar = $("#sidebar"); + + // Templates + var networks = $("#networks").html(); + var channels = $("#channels").html(); + var messages = $("#messages").html(); + var users = $("#users").html() + + function render(data) { + chat.html(""); + var partials = { + users: users, + messages: messages + }; + data.forEach(function(network) { + chat.append(Mustache.render(channels, network, partials)); + }); + sidebar.html( + Mustache.render(networks, { + networks: data + }) + ); + + chat.find(".messages").sticky().scrollToBottom(); + chat.find(".window") + // Sort windows by `data-id` value. + .sort(function(a, b) { return ($(a).data("id") - $(b).data("id")); }) + .last() + .bringToTop() + .find(".input") + .focus(); + } + + chat.on("submit", "form", function() { + var input = $(this).find(".input"); + var text = input.val(); + if (text != "") { + input.val(""); + socket.emit("input", { + id: input.data("target"), + text: text + }); + } + }); + + sidebar.on("click", ".channel", function() { + chat.find(".window[data-id='" + $(this).data("id") + "']") + .bringToTop(); + }); +}); + +(function($) { + var highest = 1; + $.fn.bringToTop = function() { + return this + .css('z-index', highest++) + .find("input") + .focus(); + }; +})(jQuery); + +// Sticky plugin +// https://github.com/erming/sticky + +(function($) { + var append = $.fn.append; + $.fn.append = function() { + return append.apply(this, arguments).trigger("append"); + }; + + $.fn.sticky = function() { + var self = this; + if (self.size() > 1) { + return self.each(function() { + $(this).sticky(); + }); + } + + var sticky = false; + self.on("scroll", function() { + sticky = self.isScrollAtBottom(); + }); + self.trigger("scroll"); + self.on("append", function() { + if (sticky) { + self.scrollToBottom(); + } + }); + + return this; + }; + + $.fn.scrollToBottom = function() { + this.scrollTop(1e10); + }; + + $.fn.isScrollAtBottom = function() { + if ((this.scrollTop() + this.outerHeight()) >= this.prop("scrollHeight")) { + return true; + } + }; 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