Move focusTaskNameInput and moveCursor into BrowserUI

[vopamoi] / vopamoi.ts

diff --git a/vopamoi.ts b/vopamoi.ts
index bc7acb79604733e42bc570409f62fa6a54fd874d..56c4813923e46b600d6ab561f6bdb36b16fa0b7d 100644 (file)
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -17,6 +17,7 @@ const Model = {
   createTask: function (timestamp: string, description: string) {
     const task = document.createElement("div");
     task.appendChild(document.createTextNode(description));
+    task.setAttribute("class", "task");
     task.setAttribute("tabindex", "0");
     task.setAttribute("data-created", timestamp);
     return task;
@@ -26,19 +27,17 @@ const Model = {
     document.body.appendChild(this.createTask(timestamp, description)).focus();
   },
 
-  moveCursor: function (offset: number): boolean {
-    var active = document.activeElement;
-    if (offset === 1 && active) {
-      active = active.nextElementSibling;
-    }
-    if (offset === -1 && active) {
-      active = active.previousElementSibling;
-    }
-    if (active && active instanceof HTMLElement) {
-      active.focus();
-      return true;
+  getTask: function (createTimestamp: string) {
+    for (const task of document.getElementsByClassName("task")) {
+      if (task.getAttribute("data-created") === createTimestamp) {
+        return task;
+      }
     }
-    return false;
+  },
+
+  destroyTask: function (createTimestamp: string) {
+    const task = this.getTask(createTimestamp);
+    task!.parentElement!.removeChild(task!);
   },
 };
 
@@ -50,6 +49,9 @@ const Log = (function () {
       if (command == "Create") {
         Model.addTask(timestamp, data);
       }
+      if (command == "Destroy") {
+        Model.destroyTask(data.split(" ", 1)[0]);
+      }
     },
 
     record: function (entry: string) {
@@ -78,27 +80,53 @@ const UI = {
   addTask: function (description: string) {
     Log.recordAndApply(`${Date.now()} Create ${description}`);
   },
+  destroyTask: function (createTimestamp: string) {
+    Log.recordAndApply(`${Date.now()} Destroy ${createTimestamp} ${Model.getTask(createTimestamp)?.textContent}`);
+  },
 };
 
-function focusTaskNameInput(event: any) {
-  document.getElementById("taskName")!.focus();
-  event.preventDefault();
-}
+const BrowserUI = {
+  addTask: function (form: any) {
+    if (form.taskName.value) {
+      UI.addTask(form.taskName.value);
+      form.taskName.value = "";
+    }
+    return false;
+  },
+
+  destroyTask: function () {
+    const createTimestamp = document.activeElement?.getAttribute("data-created");
+    return createTimestamp && UI.destroyTask(createTimestamp);
+  },
+
+  focusTaskNameInput: function (event: any) {
+    document.getElementById("taskName")!.focus();
+    event.preventDefault();
+  },
+
+  moveCursor: function (offset: number): boolean {
+    var active = document.activeElement;
+    if (offset === 1 && active) {
+      active = active.nextElementSibling;
+    }
+    if (offset === -1 && active) {
+      active = active.previousElementSibling;
+    }
+    if (active && active instanceof HTMLElement) {
+      active.focus();
+      return true;
+    }
+    return false;
+  },
+};
 
 function handleKey(event: any) {
   if (event.target.tagName !== "INPUT") {
-    if (event.key == "j") return Model.moveCursor(1);
-    if (event.key == "k") return Model.moveCursor(-1);
-    if (event.key == "c") return focusTaskNameInput(event);
-  }
-}
-
-function browserCreateTask(form: any) {
-  if (form.taskName.value) {
-    UI.addTask(form.taskName.value);
+    if (event.key == "j") return BrowserUI.moveCursor(1);
+    if (event.key == "k") return BrowserUI.moveCursor(-1);
+    if (event.key == "c") return BrowserUI.focusTaskNameInput(event);
+    if (event.key == "X") return BrowserUI.destroyTask();
   }
-  form.taskName.value = "";
-  return false;
 }
 
 function browserInit() {