Multi-line content

[vopamoi] / vopamoi.ts

diff --git a/vopamoi.ts b/vopamoi.ts
index f0c893059db774572966bfbc7ad7fc5705e5b669..0389a04c2a25f0e00305f3f0232ae366dc86c597 100644 (file)
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -45,7 +45,7 @@ function Model() {
       task.appendChild(desc);
       task.classList.add("task");
       task.setAttribute("tabindex", "0");
-      task.setAttribute("data-created", timestamp);
+      task.setAttribute("id", timestamp);
       task.setAttribute("data-state", "todo");
       const tasks = document.getElementById("tasks")!;
       tasks.insertBefore(task, tasks.firstElementChild);
@@ -97,6 +97,37 @@ function Model() {
       return target;
     },
 
+    editContent: function (createTimestamp: string, newContent: string): Element | null {
+      const target = this.getTask(createTimestamp);
+      if (!target) return null;
+      if (target.hasAttribute("data-content")) {
+        // Oh no: An edit has arrived from a replica while a local edit is in progress.
+        const input = target.getElementsByTagName("textarea")[0]!;
+        if (
+          input.value === target.getAttribute("data-content") &&
+          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 = newContent;
+        } else {
+          // No great options.
+          // Prefer not to interrupt the local user's edit.
+          // The remote edit is mostly lost; this mostly becomes last-write-wins.
+          target.setAttribute("data-content", newContent);
+        }
+      } else {
+        var content = target.getElementsByClassName("content")[0];
+        if (!content) {
+          content = document.createElement("div");
+          content.classList.add("content");
+          target.appendChild(content);
+        }
+        content.textContent = newContent;
+      }
+      return target;
+    },
+
     hasTag: function (task: Element, tag: string): Element | null {
       for (const child of task.getElementsByClassName("tag")) {
         if (child.textContent === tag) {
@@ -110,15 +141,11 @@ function Model() {
       if (task.hasAttribute("data-priority")) {
         return parseFloat(task.getAttribute("data-priority")!);
       }
-      return parseFloat(task.getAttribute("data-created")!);
+      return parseFloat(task.getAttribute("id")!);
     },
 
     getTask: function (createTimestamp: string) {
-      for (const task of document.getElementsByClassName("task")) {
-        if (task.getAttribute("data-created") === createTimestamp) {
-          return task;
-        }
-      }
+      return document.getElementById(createTimestamp);
     },
 
     insertInPriorityOrder: function (task: Element, dest: Element) {
@@ -182,6 +209,10 @@ function Log(prefix: string = "vp-") {
         const [createTimestamp, description] = splitN(data, " ", 1);
         return model.edit(createTimestamp, description);
       }
+      if (command == "EditContent") {
+        const [createTimestamp, content] = splitN(data, " ", 1);
+        return model.editContent(createTimestamp, content);
+      }
       if (command == "Priority") {
         const [createTimestamp, newPriority] = splitN(data, " ", 1);
         return model.setPriority(createTimestamp, parseFloat(newPriority));
@@ -244,6 +275,9 @@ function UI() {
     edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
       return perform(`Edit ${createTimestamp} ${newDescription}`, `Edit ${createTimestamp} ${oldDescription}`);
     },
+    editContent: function (createTimestamp: string, newContent: string, oldContent: string) {
+      return perform(`EditContent ${createTimestamp} ${newContent}`, `EditContent ${createTimestamp} ${oldContent}`);
+    },
     removeTag: function (createTimestamp: string, tag: string) {
       return perform(`Untag ${createTimestamp} ${tag}`, `Tag ${createTimestamp} ${tag}`);
     },
@@ -322,6 +356,21 @@ function BrowserUI() {
       event.preventDefault();
     },
 
+    beginEditContent: function (event: Event) {
+      const task = this.currentTask();
+      if (!task) return;
+      const input = document.createElement("textarea");
+      const content = task.getElementsByClassName("content")[0];
+      const oldContent = content?.textContent ?? "";
+      task.setAttribute("data-content", oldContent);
+      input.value = oldContent;
+      input.addEventListener("blur", this.completeContentEdit, { once: true });
+      if (content) content.textContent = "";
+      task.appendChild(input);
+      input.focus();
+      event.preventDefault();
+    },
+
     beginTagEdit: function (event: Event) {
       const task = this.currentTask();
       if (!task) return;
@@ -348,7 +397,24 @@ function BrowserUI() {
       if (resolution === CommitOrAbort.Abort || newDescription.match(/^ *$/) || newDescription === oldDescription) {
         desc.textContent = oldDescription;
       } else {
-        ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
+        ui.edit(task.getAttribute("id")!, newDescription, oldDescription);
+      }
+    },
+
+    completeContentEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
+      const input = event.target as HTMLInputElement;
+      const task = input.parentElement!;
+      const content = task.getElementsByClassName("content")[0];
+      const oldContent = task.getAttribute("data-content")!;
+      const newContent = input.value;
+      input.removeEventListener("blur", this.completeContentEdit);
+      task.removeChild(input);
+      task.removeAttribute("data-content");
+      task.focus();
+      if (resolution === CommitOrAbort.Abort || newContent === oldContent) {
+        if (content) content.textContent = oldContent;
+      } else {
+        ui.editContent(task.getAttribute("id")!, newContent, oldContent);
       }
     },
 
@@ -360,7 +426,7 @@ function BrowserUI() {
       task.removeChild(input);
       task.focus();
       if (resolution === CommitOrAbort.Commit && !newTagName.match(/^ *$/) && !model.hasTag(task, newTagName)) {
-        ui.addTag(task.getAttribute("data-created")!, newTagName);
+        ui.addTag(task.getAttribute("id")!, newTagName);
         lastTagNameEntered = newTagName;
       }
     },
@@ -440,7 +506,7 @@ function BrowserUI() {
     makeTopPriority: function (task: Element | null = null) {
       if (!task) task = this.currentTask();
       if (!task) return;
-      ui.setPriority(task.getAttribute("data-created")!, clock.now(), model.getPriority(task));
+      ui.setPriority(task.getAttribute("id")!, clock.now(), model.getPriority(task));
       task instanceof HTMLElement && task.focus();
     },
 
@@ -486,7 +552,7 @@ function BrowserUI() {
     removeTag: function () {
       const target = this.currentTag();
       if (!target) return;
-      ui.removeTag(target.parentElement!.getAttribute("data-created")!, target.textContent!);
+      ui.removeTag(target.parentElement!.getAttribute("id")!, target.textContent!);
     },
 
     resetTagView: function () {
@@ -523,7 +589,7 @@ function BrowserUI() {
       console.assert(aPriority > newPriority && newPriority > bPriority, aPriority, ">", newPriority, ">", bPriority);
       const newPriorityRounded = Math.round(newPriority);
       const okToRound = aPriority > newPriorityRounded && newPriorityRounded > bPriority;
-      ui.setPriority(task.getAttribute("data-created")!, okToRound ? newPriorityRounded : newPriority, model.getPriority(task));
+      ui.setPriority(task.getAttribute("id")!, okToRound ? newPriorityRounded : newPriority, model.getPriority(task));
       task instanceof HTMLElement && task.focus();
     },
 
@@ -532,7 +598,7 @@ function BrowserUI() {
       if (!task) return;
       const oldState = task.getAttribute("data-state")!;
       if (newState === oldState) return;
-      const createTimestamp = task.getAttribute("data-created")!;
+      const createTimestamp = task.getAttribute("id")!;
       if (currentViewState !== "all" || newState == "deleted") {
         this.moveCursorVertically(1) || this.moveCursorVertically(-1);
       }
@@ -639,7 +705,10 @@ var inputCount: number | null = null;
 
 function handleKey(event: any) {
   if (["Alt", "Control", "Meta", "Shift"].includes(event.key)) return;
-  if (event.target.tagName === "INPUT") {
+  if (event.target.tagName === "TEXTAREA") {
+    if (event.key == "Enter" && event.ctrlKey) return browserUI.completeContentEdit(event);
+    if (event.key == "Escape") return browserUI.completeContentEdit(event, CommitOrAbort.Abort);
+  } else if (event.target.tagName === "INPUT") {
     if (event.target.id === "taskName") {
       if (event.key == "Enter") return browserUI.addTask(event);
       if (event.key == "Escape") return browserUI.returnFocusAfterInput();
@@ -678,6 +747,7 @@ function handleKey(event: any) {
           if (event.key == "x") return browserUI.removeTag();
           if (event.key == "u") return browserUI.undo();
           if (event.key == "r") return browserUI.redo();
+          if (event.key == "E") return browserUI.beginEditContent(event);
           if (event.key == "e") return browserUI.beginEdit(event);
           if (event.key == "t") return browserUI.beginTagEdit(event);
           if (event.key == "v") return (inputState = InputState.V);