X-Git-Url: http://git.scottworley.com/vopamoi/blobdiff_plain/ada060d76e8d158ee56aee89402a674e3a82be9f..ad72cd51833c7202a3af3bd403c06616e4050b88:/vopamoi.ts

diff --git a/vopamoi.ts b/vopamoi.ts
index 94c26e6..7bdf4b8 100644
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -149,40 +149,54 @@ function Log(prefix: string = "vp-") {
 }
 const log = Log();
 
-const undoLog: string[] = [];
+function UI() {
+  const undoLog: string[] = [];
+  return {
+    addTask: function (description: string): Element {
+      const now = clock.now();
+      undoLog.push(`State ${now} deleted`);
+      return <Element>log.recordAndApply(`${now} Create ${description}`);
+    },
+    edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
+      undoLog.push(`Edit ${createTimestamp} ${oldDescription}`);
+      return log.recordAndApply(`${clock.now()} Edit ${createTimestamp} ${newDescription}`);
+    },
+    setPriority: function (createTimestamp: string, newPriority: number, oldPriority: number) {
+      undoLog.push(`Priority ${createTimestamp} ${oldPriority}`);
+      return log.recordAndApply(`${clock.now()} Priority ${createTimestamp} ${newPriority}`);
+    },
+    setState: function (createTimestamp: string, newState: string, oldState: string) {
+      undoLog.push(`State ${createTimestamp} ${oldState}`);
+      return log.recordAndApply(`${clock.now()} State ${createTimestamp} ${newState}`);
+    },
+    undo: function () {
+      if (undoLog.length > 0) {
+        return log.recordAndApply(`${clock.now()} ${undoLog.pop()}`);
+      }
+    },
+  };
+}
+const ui = UI();
 
-const UI = {
-  addTask: function (description: string): Element {
-    const now = clock.now();
-    undoLog.push(`State ${now} deleted`);
-    return <Element>log.recordAndApply(`${now} Create ${description}`);
-  },
-  edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
-    undoLog.push(`Edit ${createTimestamp} ${oldDescription}`);
-    return log.recordAndApply(`${clock.now()} Edit ${createTimestamp} ${newDescription}`);
-  },
-  setPriority: function (createTimestamp: string, newPriority: number, oldPriority: number) {
-    undoLog.push(`Priority ${createTimestamp} ${oldPriority}`);
-    return log.recordAndApply(`${clock.now()} Priority ${createTimestamp} ${newPriority}`);
-  },
-  setState: function (createTimestamp: string, newState: string, oldState: string) {
-    undoLog.push(`State ${createTimestamp} ${oldState}`);
-    return log.recordAndApply(`${clock.now()} State ${createTimestamp} ${newState}`);
-  },
-  undo: function () {
-    if (undoLog.length > 0) {
-      return log.recordAndApply(`${clock.now()} ${undoLog.pop()}`);
-    }
-  },
-};
+enum CommitOrAbort {
+  Commit,
+  Abort,
+}
 
 function BrowserUI() {
+  var currentViewState = "todo";
+  var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;
   return {
     addTask: function (event: KeyboardEvent) {
       const input = <HTMLInputElement>document.getElementById("taskName");
       if (input.value) {
-        const task = UI.addTask(input.value);
-        if (task && task instanceof HTMLElement) task.focus();
+        const task = ui.addTask(input.value);
+        if (currentViewState === "todo") {
+          task instanceof HTMLElement && task.focus();
+        } else if (this.returnFocusAfterInput()) {
+        } else {
+          this.firstVisibleTask()?.focus();
+        }
         input.value = "";
         if (event.getModifierState("Control")) {
           this.setPriority(task, null, document.getElementsByClassName("task")[0]);
@@ -205,7 +219,7 @@ function BrowserUI() {
       event.preventDefault();
     },
 
-    completeEdit: function (event: Event) {
+    completeEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
       const input = event.target as HTMLInputElement;
       const task = input.parentElement!;
       const oldDescription = task.getAttribute("data-description")!;
@@ -214,22 +228,25 @@ function BrowserUI() {
       task.removeChild(task.children[0]);
       task.removeAttribute("data-description");
       task.focus();
-      if (newDescription === oldDescription) {
+      if (newDescription === oldDescription || resolution === CommitOrAbort.Abort) {
         task.textContent = oldDescription;
       } else {
-        UI.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
+        ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
       }
     },
 
     firstVisibleTask: function () {
       for (const task of document.getElementsByClassName("task")) {
-        if (task instanceof HTMLElement && task.getAttribute("data-state")! === "todo") {
+        if (task instanceof HTMLElement && task.getAttribute("data-state") === currentViewState) {
           return task;
         }
       }
     },
 
     focusTaskNameInput: function (event: Event) {
+      if (document.activeElement instanceof HTMLElement) {
+        taskFocusedBeforeJumpingToInput = document.activeElement;
+      }
       document.getElementById("taskName")!.focus();
       event.preventDefault();
     },
@@ -241,7 +258,7 @@ function BrowserUI() {
       while (true) {
         cursor = increment > 0 ? cursor.nextElementSibling : cursor.previousElementSibling;
         if (!cursor || !(cursor instanceof HTMLElement)) break;
-        if (cursor.getAttribute("data-state")! === "todo") {
+        if (cursor.getAttribute("data-state")! === currentViewState) {
           offset -= increment;
           valid_cursor = cursor;
         }
@@ -275,6 +292,14 @@ function BrowserUI() {
       }
     },
 
+    returnFocusAfterInput: function (): boolean {
+      if (taskFocusedBeforeJumpingToInput) {
+        taskFocusedBeforeJumpingToInput.focus();
+        return true;
+      }
+      return false;
+    },
+
     // Change task's priority to be between other tasks a and b.
     setPriority: function (task: Element, a: Element | null, b: Element | null) {
       const aPriority = a === null ? 0 : Model.getPriority(a);
@@ -285,7 +310,7 @@ 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("data-created")!, okToRound ? newPriorityRounded : newPriority, Model.getPriority(task));
       task instanceof HTMLElement && task.focus();
     },
 
@@ -296,11 +321,21 @@ function BrowserUI() {
       if (newState === oldState) return;
       const createTimestamp = task.getAttribute("data-created")!;
       this.moveCursor(1) || this.moveCursor(-1);
-      return UI.setState(createTimestamp, newState, oldState);
+      return ui.setState(createTimestamp, newState, oldState);
+    },
+
+    setView: function (state: string) {
+      const sheet = (document.getElementById("viewStyle") as HTMLStyleElement).sheet!;
+      sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
+      sheet.removeRule(1);
+      currentViewState = state;
+      if (document.activeElement?.getAttribute("data-state") !== state) {
+        this.firstVisibleTask()?.focus();
+      }
     },
 
     undo: function () {
-      const ret = UI.undo();
+      const ret = ui.undo();
       if (ret && ret instanceof HTMLElement) ret.focus();
     },
   };
@@ -317,8 +352,10 @@ function handleKey(event: any) {
   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();
     } else {
       if (event.key == "Enter") return browserUI.completeEdit(event);
+      if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);
     }
   } else {
     if (inputState === InputState.Command) {
@@ -327,17 +364,23 @@ function handleKey(event: any) {
       if (event.key == "J") return browserUI.moveTask(1);
       if (event.key == "K") return browserUI.moveTask(-1);
       if (event.key == "n") return browserUI.focusTaskNameInput(event);
-      if (event.key == "s") return browserUI.setState("someday-maybe");
-      if (event.key == "w") return browserUI.setState("waiting");
-      if (event.key == "d") return browserUI.setState("done");
       if (event.key == "c") return browserUI.setState("cancelled");
+      if (event.key == "d") return browserUI.setState("done");
+      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 == "v") return (inputState = InputState.View);
     } else if (inputState === InputState.View) {
-      return (inputState = InputState.Command);
+      inputState = InputState.Command;
+      if (event.key == "c") return browserUI.setView("cancelled");
+      if (event.key == "d") return browserUI.setView("done");
+      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");
     }
   }
 }