Keep tags visually associated with their task

[vopamoi] / vopamoi.ts

diff --git a/vopamoi.ts b/vopamoi.ts
index 7bdf4b83969eaaad28ba662182fbfe25823cca62..31a4cdcd858a56b7f72fe75dd1ccecbe756cb881 100644 (file)
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -29,11 +29,20 @@ function Clock() {
 }
 const clock = Clock();
 
 }
 const clock = Clock();
 

+// Returns a promise for a hue based on a hash of the string
+function hashHue(str: string) {
+  // Using crypto for this is overkill
+  return crypto.subtle.digest("SHA-256", new TextEncoder().encode(str)).then((buf) => (new Uint16Array(buf)[0] * 360) / 2 ** 16);
+}
+

 const Model = {
   addTask: function (timestamp: string, description: string): Element {
     const task = document.createElement("div");
 const Model = {
   addTask: function (timestamp: string, description: string): Element {
     const task = document.createElement("div");

-    task.appendChild(document.createTextNode(description));
-    task.setAttribute("class", "task");
+    const desc = document.createElement("span");
+    desc.textContent = description;
+    desc.classList.add("desc");
+    task.appendChild(desc);
+    task.classList.add("task");

     task.setAttribute("tabindex", "0");
     task.setAttribute("data-created", timestamp);
     task.setAttribute("data-state", "todo");
     task.setAttribute("tabindex", "0");
     task.setAttribute("data-created", timestamp);
     task.setAttribute("data-state", "todo");


@@ -41,20 +50,39 @@ const Model = {
     return task;
   },
 
     return task;
   },
 

+  addTag: function (createTimestamp: string, tagName: string): Element | null {
+    const task = this.getTask(createTimestamp);
+    if (!task) return null;
+    const existingTag = this.hasTag(task, tagName);
+    if (existingTag) return existingTag;
+    const tag = document.createElement("span");
+    tag.appendChild(document.createTextNode(tagName));
+    tag.classList.add("tag");
+    tag.setAttribute("tabindex", "0");
+    hashHue(tagName).then((hue) => (tag.style.backgroundColor = `hsl(${hue},90%,45%)`));
+    for (const child of task.getElementsByClassName("tag")) {
+      if (tagName > child.textContent!) {
+        task.insertBefore(tag, child);
+        return tag;
+      }
+    }
+    task.appendChild(tag);
+    return tag;
+  },
+

   edit: function (createTimestamp: string, newDescription: string): Element | null {
     const target = this.getTask(createTimestamp);
     if (!target) return null;
     if (target.hasAttribute("data-description")) {
       // Oh no: An edit has arrived from a replica while a local edit is in progress.
   edit: function (createTimestamp: string, newDescription: string): Element | null {
     const target = this.getTask(createTimestamp);
     if (!target) return null;
     if (target.hasAttribute("data-description")) {
       // Oh no: An edit has arrived from a replica while a local edit is in progress.

-      const input = target.children[0] as HTMLInputElement;
+      const input = target.firstChild as HTMLInputElement;

       if (
         input.value === target.getAttribute("data-description") &&
       if (
         input.value === target.getAttribute("data-description") &&

-        input.selectionStart === 0 &&
+        input.selectionStart === input.value.length &&

         input.selectionEnd === input.value.length
       ) {
         // No local changes have actually been made yet.  Change the contents of the edit box!
         input.value = newDescription;
         input.selectionEnd === input.value.length
       ) {
         // No local changes have actually been made yet.  Change the contents of the edit box!
         input.value = newDescription;

-        input.select();

       } else {
         // No great options.
         // Prefer not to interrupt the local user's edit.
       } else {
         // No great options.
         // Prefer not to interrupt the local user's edit.


@@ -62,11 +90,20 @@ const Model = {
         target.setAttribute("data-description", newDescription);
       }
     } else {
         target.setAttribute("data-description", newDescription);
       }
     } else {

-      target.textContent = newDescription;
+      target.getElementsByClassName("desc")[0].textContent = newDescription;

     }
     return target;
   },
 
     }
     return target;
   },
 

+  hasTag: function (task: Element, tag: string): Element | null {
+    for (const child of task.getElementsByClassName("tag")) {
+      if (child.textContent === tag) {
+        return child;
+      }
+    }
+    return null;
+  },
+

   getPriority: function (task: Element): number {
     if (task.hasAttribute("data-priority")) {
       return parseFloat(task.getAttribute("data-priority")!);
   getPriority: function (task: Element): number {
     if (task.hasAttribute("data-priority")) {
       return parseFloat(task.getAttribute("data-priority")!);


@@ -116,13 +153,17 @@ function Log(prefix: string = "vp-") {
         const [createTimestamp, description] = splitN(data, " ", 1);
         return Model.edit(createTimestamp, description);
       }
         const [createTimestamp, description] = splitN(data, " ", 1);
         return Model.edit(createTimestamp, description);
       }

+      if (command == "Priority") {
+        const [createTimestamp, newPriority] = splitN(data, " ", 1);
+        return Model.setPriority(createTimestamp, parseFloat(newPriority));
+      }

       if (command == "State") {
         const [createTimestamp, state] = splitN(data, " ", 1);
         return Model.setState(timestamp, createTimestamp, state);
       }
       if (command == "State") {
         const [createTimestamp, state] = splitN(data, " ", 1);
         return Model.setState(timestamp, createTimestamp, state);
       }

-      if (command == "Priority") {
-        const [createTimestamp, newPriority] = splitN(data, " ", 1);
-        return Model.setPriority(createTimestamp, parseFloat(newPriority));
+      if (command == "Tag") {
+        const [createTimestamp, tag] = splitN(data, " ", 1);
+        return Model.addTag(createTimestamp, tag);

       }
     },
 
       }
     },
 


@@ -157,6 +198,10 @@ function UI() {
       undoLog.push(`State ${now} deleted`);
       return <Element>log.recordAndApply(`${now} Create ${description}`);
     },
       undoLog.push(`State ${now} deleted`);
       return <Element>log.recordAndApply(`${now} Create ${description}`);
     },

+    addTag: function (createTimestamp: string, tag: string) {
+      // TODO: undo
+      return log.recordAndApply(`${clock.now()} Tag ${createTimestamp} ${tag}`);
+    },

     edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
       undoLog.push(`Edit ${createTimestamp} ${oldDescription}`);
       return log.recordAndApply(`${clock.now()} Edit ${createTimestamp} ${newDescription}`);
     edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
       undoLog.push(`Edit ${createTimestamp} ${oldDescription}`);
       return log.recordAndApply(`${clock.now()} Edit ${createTimestamp} ${newDescription}`);


@@ -186,6 +231,7 @@ enum CommitOrAbort {
 function BrowserUI() {
   var currentViewState = "todo";
   var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;
 function BrowserUI() {
   var currentViewState = "todo";
   var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;

+  var lastTagNameEntered = "";

   return {
     addTask: function (event: KeyboardEvent) {
       const input = <HTMLInputElement>document.getElementById("taskName");
   return {
     addTask: function (event: KeyboardEvent) {
       const input = <HTMLInputElement>document.getElementById("taskName");


@@ -208,11 +254,24 @@ function BrowserUI() {
       const task = document.activeElement;
       if (!task) return;
       const input = document.createElement("input");
       const task = document.activeElement;
       if (!task) return;
       const input = document.createElement("input");

-      const oldDescription = task.textContent!;
+      const desc = task.getElementsByClassName("desc")[0];
+      const oldDescription = desc.textContent!;

       task.setAttribute("data-description", oldDescription);
       input.value = oldDescription;
       input.addEventListener("blur", this.completeEdit, { once: true });
       task.setAttribute("data-description", oldDescription);
       input.value = oldDescription;
       input.addEventListener("blur", this.completeEdit, { once: true });

-      task.textContent = "";
+      desc.textContent = "";
+      task.insertBefore(input, task.firstChild);
+      input.focus();
+      event.preventDefault();
+    },
+
+    beginTagEdit: function (event: Event) {
+      const task = document.activeElement;
+      if (!task) return;
+      const input = document.createElement("input");
+      input.classList.add("tag");
+      input.addEventListener("blur", this.completeTagEdit, { once: true });
+      input.value = lastTagNameEntered;

       task.appendChild(input);
       input.focus();
       input.select();
       task.appendChild(input);
       input.focus();
       input.select();


@@ -222,19 +281,33 @@ function BrowserUI() {
     completeEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
       const input = event.target as HTMLInputElement;
       const task = input.parentElement!;
     completeEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
       const input = event.target as HTMLInputElement;
       const task = input.parentElement!;

+      const desc = task.getElementsByClassName("desc")[0];

       const oldDescription = task.getAttribute("data-description")!;
       const newDescription = input.value;
       input.removeEventListener("blur", this.completeEdit);
       const oldDescription = task.getAttribute("data-description")!;
       const newDescription = input.value;
       input.removeEventListener("blur", this.completeEdit);

-      task.removeChild(task.children[0]);
+      task.removeChild(input);

       task.removeAttribute("data-description");
       task.focus();
       if (newDescription === oldDescription || resolution === CommitOrAbort.Abort) {
       task.removeAttribute("data-description");
       task.focus();
       if (newDescription === oldDescription || resolution === CommitOrAbort.Abort) {

-        task.textContent = oldDescription;
+        desc.textContent = oldDescription;

       } else {
         ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
       }
     },
 
       } else {
         ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
       }
     },
 

+    completeTagEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
+      const input = event.target as HTMLInputElement;
+      const task = input.parentElement!;
+      const newTagName = input.value;
+      input.removeEventListener("blur", this.completeTagEdit);
+      task.removeChild(input);
+      task.focus();
+      if (resolution === CommitOrAbort.Commit && newTagName && !Model.hasTag(task, newTagName)) {
+        ui.addTag(task.getAttribute("data-created")!, newTagName);
+        lastTagNameEntered = newTagName;
+      }
+    },
+

     firstVisibleTask: function () {
       for (const task of document.getElementsByClassName("task")) {
         if (task instanceof HTMLElement && task.getAttribute("data-state") === currentViewState) {
     firstVisibleTask: function () {
       for (const task of document.getElementsByClassName("task")) {
         if (task instanceof HTMLElement && task.getAttribute("data-state") === currentViewState) {


@@ -353,6 +426,9 @@ function handleKey(event: any) {
     if (event.target.id === "taskName") {
       if (event.key == "Enter") return browserUI.addTask(event);
       if (event.key == "Escape") return browserUI.returnFocusAfterInput();
     if (event.target.id === "taskName") {
       if (event.key == "Enter") return browserUI.addTask(event);
       if (event.key == "Escape") return browserUI.returnFocusAfterInput();

+    } else if (event.target.classList.contains("tag")) {
+      if (event.key == "Enter") return browserUI.completeTagEdit(event);
+      if (event.key == "Escape") return browserUI.completeTagEdit(event, CommitOrAbort.Abort);

     } else {
       if (event.key == "Enter") return browserUI.completeEdit(event);
       if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);
     } else {
       if (event.key == "Enter") return browserUI.completeEdit(event);
       if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);


@@ -366,19 +442,20 @@ function handleKey(event: any) {
       if (event.key == "n") return browserUI.focusTaskNameInput(event);
       if (event.key == "c") return browserUI.setState("cancelled");
       if (event.key == "d") return browserUI.setState("done");
       if (event.key == "n") return browserUI.focusTaskNameInput(event);
       if (event.key == "c") return browserUI.setState("cancelled");
       if (event.key == "d") return browserUI.setState("done");

+      if (event.key == "q") return browserUI.setState("todo");

       if (event.key == "s") return browserUI.setState("someday-maybe");
       if (event.key == "s") return browserUI.setState("someday-maybe");

-      if (event.key == "t") return browserUI.setState("todo");

       if (event.key == "w") return browserUI.setState("waiting");
       if (event.key == "X") return browserUI.setState("deleted");
       if (event.key == "u") return browserUI.undo();
       if (event.key == "e") return browserUI.beginEdit(event);
       if (event.key == "w") return browserUI.setState("waiting");
       if (event.key == "X") return browserUI.setState("deleted");
       if (event.key == "u") return browserUI.undo();
       if (event.key == "e") return browserUI.beginEdit(event);

+      if (event.key == "t") return browserUI.beginTagEdit(event);

       if (event.key == "v") return (inputState = InputState.View);
     } else if (inputState === InputState.View) {
       inputState = InputState.Command;
       if (event.key == "c") return browserUI.setView("cancelled");
       if (event.key == "d") return browserUI.setView("done");
       if (event.key == "v") return (inputState = InputState.View);
     } else if (inputState === InputState.View) {
       inputState = InputState.Command;
       if (event.key == "c") return browserUI.setView("cancelled");
       if (event.key == "d") return browserUI.setView("done");

+      if (event.key == "q") return browserUI.setView("todo");

       if (event.key == "s") return browserUI.setView("someday-maybe");
       if (event.key == "s") return browserUI.setView("someday-maybe");

-      if (event.key == "t") return browserUI.setView("todo");

       if (event.key == "w") return browserUI.setView("waiting");
       if (event.key == "x") return browserUI.setView("deleted");
     }
       if (event.key == "w") return browserUI.setView("waiting");
       if (event.key == "x") return browserUI.setView("deleted");
     }