serve other hubapps too, consolidate and a lot more...

[hublib] / webroot / first / index.js

diff --git a/webroot/first/index.js b/webroot/first/index.js
new file mode 100644 (file)
index 0000000..8cae34e
--- /dev/null
+++ b/webroot/first/index.js
@@ -0,0 +1,97 @@
+(function () {
+    "use strict";
+    var input_div = null;
+
+    function write(msg) {
+        common.write(input_div.previousSibling, msg);
+    }
+
+    function change_name_button(hub) {
+        var btn = common.tag(
+            "button",
+            {
+                "event_click": function () {
+                    setup_change_name(hub);
+                }
+            }
+        );
+        btn.append(document.createTextNode("change name"));
+        return btn;
+    }
+
+    function setup_chat(hub) {
+        input_div = common.tag("div");
+        input_div.append(
+            common.input_with_keydown_event(
+                function (event, target, keycode) {
+                    if (keycode !== "Enter" && keycode !== "NumpadEnter") {
+                        return;
+                    }
+                    hub.send(JSON.stringify({"data": target.value}));
+                    target.value = "";
+                }
+            )
+        );
+        input_div.append(document.createTextNode(" "));
+        input_div.append(change_name_button(hub));
+
+        document.body.append(common.tag("div"));
+        document.body.append(input_div);
+    }
+
+    function setup_change_name(hub) {
+        var div = common.tag("div");
+        div.append(document.createTextNode("Enter name: "));
+        div.append(
+            common.input_with_keydown_event(
+                function (event, target, keycode) {
+                    if (keycode !== "Enter" && keycode !== "NumpadEnter") {
+                        return;
+                    }
+                    if (input_div.childNodes[0] !== input_div.children[0]) {
+                        input_div.childNodes[0].remove();
+                    }
+                    input_div.insertBefore(
+                        document.createTextNode(target.value + " "), input_div.children[0]
+                    );
+                    hub.send(JSON.stringify({"action": "set_name", "name": target.value}));
+                    div.remove();
+                    input_div.style.display = "";
+                    input_div.children[0].focus();
+                }
+            )
+        )
+        document.body.append(div);
+        input_div.style.display = "none";
+        div.children[0].focus();
+    }
+
+    function open() {
+        setup_chat(this);
+        write("connected to " + ws_uri);
+        setup_change_name(this);
+    }
+
+    function close() {
+        write("connection lost");
+        input_div.remove();
+    }
+
+    function message(msg) {
+        var obj = JSON.parse(msg.data);
+        if (obj.action === "join" || obj.action === "leave") {
+            write("[action]: " + obj.name + " " + obj.action + "s");
+        } else if (obj.action == "set_name") {
+            write(
+                "[action]: " +
+                obj.old_name +
+                " changes name to " +
+                obj.name
+            );
+        } else if (obj.hasOwnProperty("data")) {
+            write(obj.name + ": " + obj.data);
+        }
+    }
+
+    common.setup(function () {new common.HubClient(ws_uri, open, close, message)});
+})();