}
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");
- task.appendChild(document.createTextNode(description));
+ 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");
- document.getElementById("tasks")!.appendChild(task);
+ const tasks = document.getElementById("tasks")!;
+ tasks.insertBefore(task, tasks.firstElementChild);
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(${hue},90%,45%)`));
+ for (const child of task.getElementsByClassName("tag")) {
+ if (tagName > child.textContent!) {
+ task.insertBefore(tag, child);
+ return tag;
+ }
+ }
+ task.insertBefore(tag, task.getElementsByClassName("desc")[0]!);
+ return tag;
+ },
+
edit: function (createTimestamp: string, newDescription: string): Element | null {
const target = this.getTask(createTimestamp);
if (!target) return null;
if (target.hasAttribute("data-description")) {
// Oh no: An edit has arrived from a replica while a local edit is in progress.
- const input = target.children[0] as HTMLInputElement;
+ const input = target.getElementsByTagName("input")[0]!;
if (
input.value === target.getAttribute("data-description") &&
input.selectionStart === input.value.length &&
target.setAttribute("data-description", newDescription);
}
} else {
- target.textContent = newDescription;
+ target.getElementsByClassName("desc")[0].textContent = newDescription;
}
return target;
},
+ hasTag: function (task: Element, tag: string): Element | null {
+ for (const child of task.getElementsByClassName("tag")) {
+ if (child.textContent === tag) {
+ return child;
+ }
+ }
+ return null;
+ },
+
getPriority: function (task: Element): number {
if (task.hasAttribute("data-priority")) {
return parseFloat(task.getAttribute("data-priority")!);
}
},
+ removeTag: function (createTimestamp: string, tagName: string) {
+ const task = this.getTask(createTimestamp);
+ if (!task) return null;
+ const tag = this.hasTag(task, tagName);
+ if (!tag) return;
+ task.removeChild(tag);
+ if (task instanceof HTMLElement) task.focus();
+ },
+
setPriority: function (createTimestamp: string, priority: number): Element | null {
const target = this.getTask(createTimestamp);
if (!target) return null;
target.setAttribute("data-priority", `${priority}`);
for (const task of document.getElementsByClassName("task")) {
- if (task !== target && this.getPriority(task) > priority) {
+ if (task !== target && this.getPriority(task) < priority) {
task.parentElement!.insertBefore(target, task);
return target;
}
setState: function (stateTimestamp: string, createTimestamp: string, state: string) {
const task = this.getTask(createTimestamp);
- if (task) {
- task.setAttribute("data-state", state);
+ if (!task) return;
+ task.setAttribute("data-state", state);
+ var date = task.getElementsByClassName("statedate")[0];
+ if (state === "todo") {
+ task.removeChild(date);
+ return;
}
+ if (!date) {
+ date = document.createElement("span");
+ date.classList.add("statedate");
+ task.insertBefore(date, task.firstChild);
+ }
+ const d = new Date(parseInt(stateTimestamp));
+ date.textContent = `${d.getFullYear()}-${`${d.getMonth() + 1}`.padStart(2, "0")}-${`${d.getDate()}`.padStart(2, "0")}`;
},
};
const [createTimestamp, state] = splitN(data, " ", 1);
return Model.setState(timestamp, createTimestamp, state);
}
+ if (command == "Tag") {
+ const [createTimestamp, tag] = splitN(data, " ", 1);
+ return Model.addTag(createTimestamp, tag);
+ }
+ if (command == "Untag") {
+ const [createTimestamp, tag] = splitN(data, " ", 1);
+ return Model.removeTag(createTimestamp, tag);
+ }
},
record: function (entry: string) {
const log = Log();
function UI() {
- const undoLog: string[] = [];
+ const undoLog: string[][] = [];
+ const redoLog: string[][] = [];
+ function perform(forward: string, reverse: string) {
+ undoLog.push([reverse, forward]);
+ return log.recordAndApply(`${clock.now()} ${forward}`);
+ }
return {
addTask: function (description: string): Element {
const now = clock.now();
- undoLog.push(`State ${now} deleted`);
+ undoLog.push([`State ${now} deleted`, `State ${now} todo`]);
return <Element>log.recordAndApply(`${now} Create ${description}`);
},
+ addTag: function (createTimestamp: string, tag: string) {
+ return perform(`Tag ${createTimestamp} ${tag}`, `Untag ${createTimestamp} ${tag}`);
+ },
edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
- undoLog.push(`Edit ${createTimestamp} ${oldDescription}`);
- return log.recordAndApply(`${clock.now()} Edit ${createTimestamp} ${newDescription}`);
+ return perform(`Edit ${createTimestamp} ${newDescription}`, `Edit ${createTimestamp} ${oldDescription}`);
+ },
+ removeTag: function (createTimestamp: string, tag: string) {
+ return perform(`Untag ${createTimestamp} ${tag}`, `Tag ${createTimestamp} ${tag}`);
},
setPriority: function (createTimestamp: string, newPriority: number, oldPriority: number) {
- undoLog.push(`Priority ${createTimestamp} ${oldPriority}`);
- return log.recordAndApply(`${clock.now()} Priority ${createTimestamp} ${newPriority}`);
+ return perform(`Priority ${createTimestamp} ${newPriority}`, `Priority ${createTimestamp} ${oldPriority}`);
},
setState: function (createTimestamp: string, newState: string, oldState: string) {
- undoLog.push(`State ${createTimestamp} ${oldState}`);
- return log.recordAndApply(`${clock.now()} State ${createTimestamp} ${newState}`);
+ return perform(`State ${createTimestamp} ${newState}`, `State ${createTimestamp} ${oldState}`);
},
undo: function () {
- if (undoLog.length > 0) {
- return log.recordAndApply(`${clock.now()} ${undoLog.pop()}`);
+ const entry = undoLog.pop();
+ if (entry) {
+ redoLog.push(entry);
+ return log.recordAndApply(`${clock.now()} ${entry[0]}`);
+ }
+ },
+ redo: function () {
+ const entry = redoLog.pop();
+ if (entry) {
+ undoLog.push(entry);
+ return log.recordAndApply(`${clock.now()} ${entry[1]}`);
}
},
};
}
function BrowserUI() {
+ const viewColors: { [key: string]: string } = {
+ all: "Gold",
+ cancelled: "Red",
+ deleted: "Black",
+ done: "LawnGreen",
+ "someday-maybe": "DeepSkyBlue",
+ todo: "White",
+ waiting: "MediumOrchid",
+ };
+ var currentTagView: string | null = null;
var currentViewState = "todo";
var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;
+ var lastTagNameEntered = "";
return {
addTask: function (event: KeyboardEvent) {
const input = <HTMLInputElement>document.getElementById("taskName");
- if (input.value) {
- const task = ui.addTask(input.value);
- if (currentViewState === "todo") {
- task instanceof HTMLElement && task.focus();
- } else if (this.returnFocusAfterInput()) {
- } else {
- this.firstVisibleTask()?.focus();
- }
- input.value = "";
- if (event.getModifierState("Control")) {
- this.setPriority(task, null, document.getElementsByClassName("task")[0]);
- }
+ if (input.value.match(/^ *$/)) return;
+ const task = ui.addTask(input.value);
+ if (currentViewState === "todo" || currentViewState === "all") {
+ task instanceof HTMLElement && task.focus();
+ } else if (this.returnFocusAfterInput()) {
+ } else {
+ this.firstVisibleTask()?.focus();
+ }
+ input.value = "";
+ if (currentTagView) {
+ ui.addTag(task.getAttribute("data-created")!, currentTagView);
+ }
+ if (event.getModifierState("Control")) {
+ this.makeBottomPriority(task);
}
},
beginEdit: function (event: Event) {
- const task = document.activeElement;
+ const task = this.currentTask();
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.textContent = "";
+ desc.textContent = "";
+ task.insertBefore(input, task.firstChild);
+ input.focus();
+ event.preventDefault();
+ },
+
+ beginTagEdit: function (event: Event) {
+ const task = this.currentTask();
+ 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();
event.preventDefault();
},
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);
- task.removeChild(task.children[0]);
+ task.removeChild(input);
task.removeAttribute("data-description");
task.focus();
- if (newDescription === oldDescription || resolution === CommitOrAbort.Abort) {
- task.textContent = oldDescription;
+ if (resolution === CommitOrAbort.Abort || newDescription.match(/^ *$/) || newDescription === oldDescription) {
+ desc.textContent = oldDescription;
} else {
ui.edit(task.getAttribute("data-created")!, newDescription, oldDescription);
}
},
+ completeTagEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
+ const input = event.target as HTMLInputElement;
+ const task = input.parentElement!;
+ const newTagName = input.value;
+ input.removeEventListener("blur", this.completeTagEdit);
+ task.removeChild(input);
+ task.focus();
+ if (resolution === CommitOrAbort.Commit && !newTagName.match(/^ *$/) && !Model.hasTag(task, newTagName)) {
+ ui.addTag(task.getAttribute("data-created")!, newTagName);
+ lastTagNameEntered = newTagName;
+ }
+ },
+
+ currentTag: function (): Element | null {
+ var target = document.activeElement;
+ if (!target) return null;
+ if (target.classList.contains("task")) {
+ const tags = target.getElementsByClassName("tag");
+ target = tags[tags.length - 1];
+ }
+ if (!target || !target.classList.contains("tag")) return null;
+ return target;
+ },
+
+ currentTask: function (): HTMLElement | null {
+ var target = document.activeElement;
+ if (!target) return null;
+ if (target.classList.contains("tag")) target = target.parentElement!;
+ return target as HTMLElement;
+ },
+
firstVisibleTask: function () {
for (const task of document.getElementsByClassName("task")) {
- if (task instanceof HTMLElement && task.getAttribute("data-state") === currentViewState) {
+ const state = task.getAttribute("data-state");
+ if (
+ task instanceof HTMLElement &&
+ (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
+ !task.classList.contains("hide")
+ ) {
return task;
}
}
},
focusTaskNameInput: function (event: Event) {
- if (document.activeElement instanceof HTMLElement) {
- taskFocusedBeforeJumpingToInput = document.activeElement;
- }
+ taskFocusedBeforeJumpingToInput = this.currentTask();
document.getElementById("taskName")!.focus();
+ window.scroll(0, 0);
event.preventDefault();
},
while (true) {
cursor = increment > 0 ? cursor.nextElementSibling : cursor.previousElementSibling;
if (!cursor || !(cursor instanceof HTMLElement)) break;
- if (cursor.getAttribute("data-state")! === currentViewState) {
+ const state = cursor.getAttribute("data-state")!;
+ if (
+ (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
+ !cursor.classList.contains("hide")
+ ) {
offset -= increment;
valid_cursor = cursor;
}
return valid_cursor;
},
+ jumpCursor: function (position: number) {
+ const first = this.firstVisibleTask();
+ if (!first) return;
+ const dest = this.visibleTaskAtOffset(first, position - 1);
+ if (dest instanceof HTMLElement) dest.focus();
+ },
+
+ makeBottomPriority: function (task: Element | null = null) {
+ if (!task) task = this.currentTask();
+ if (!task) return;
+ this.setPriority(task, document.getElementById("tasks")!.lastElementChild, null);
+ },
+
+ 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));
+ task instanceof HTMLElement && task.focus();
+ },
+
moveCursor: function (offset: number): boolean {
- const active = document.activeElement;
+ const active = this.currentTask();
if (!active) return false;
const dest = this.visibleTaskAtOffset(active, offset);
if (dest !== active && dest instanceof HTMLElement) {
},
moveTask: function (offset: number) {
- const active = document.activeElement;
+ const active = this.currentTask();
if (!active) return;
const dest = this.visibleTaskAtOffset(active, offset);
if (dest === active) return; // Already extremal
}
},
+ removeTag: function () {
+ const target = this.currentTag();
+ if (!target) return;
+ ui.removeTag(target.parentElement!.getAttribute("data-created")!, target.textContent!);
+ },
+
+ resetTagView: function () {
+ currentTagView = null;
+ for (const task of document.getElementsByClassName("task")) {
+ task.classList.remove("hide");
+ }
+ },
+
+ resetView: function () {
+ this.setView("todo");
+ this.resetTagView();
+ },
+
returnFocusAfterInput: function (): boolean {
if (taskFocusedBeforeJumpingToInput) {
taskFocusedBeforeJumpingToInput.focus();
// 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);
- const bPriority = b === null ? clock.now() : Model.getPriority(b);
- console.assert(aPriority < bPriority, aPriority, "<", bPriority);
- const span = bPriority - aPriority;
- const newPriority = aPriority + 0.1 * span + 0.8 * span * Math.random();
- console.assert(aPriority < newPriority && newPriority < bPriority, aPriority, "<", newPriority, "<", bPriority);
+ const aPriority = a === null ? clock.now() : Model.getPriority(a);
+ const bPriority = b === null ? 0 : Model.getPriority(b);
+ console.assert(aPriority > bPriority, aPriority, ">", bPriority);
+ const span = aPriority - bPriority;
+ const newPriority = bPriority + 0.1 * span + 0.8 * span * Math.random();
+ console.assert(aPriority > newPriority && newPriority > bPriority, aPriority, ">", newPriority, ">", bPriority);
const newPriorityRounded = Math.round(newPriority);
- const okToRound = aPriority < newPriorityRounded && newPriorityRounded < bPriority;
+ const okToRound = aPriority > newPriorityRounded && newPriorityRounded > bPriority;
ui.setPriority(task.getAttribute("data-created")!, okToRound ? newPriorityRounded : newPriority, Model.getPriority(task));
task instanceof HTMLElement && task.focus();
},
setState: function (newState: string) {
- const task = document.activeElement;
+ const task = this.currentTask();
if (!task) return;
const oldState = task.getAttribute("data-state")!;
if (newState === oldState) return;
const createTimestamp = task.getAttribute("data-created")!;
- this.moveCursor(1) || this.moveCursor(-1);
+ if (currentViewState !== "all" || newState == "deleted") {
+ this.moveCursor(1) || this.moveCursor(-1);
+ }
return ui.setState(createTimestamp, newState, oldState);
},
+ setTagView: function () {
+ const target = this.currentTag();
+ if (!target) return;
+ const tag = target.textContent!;
+ for (const task of document.getElementsByClassName("task")) {
+ if (Model.hasTag(task, tag)) {
+ task.classList.remove("hide");
+ } else {
+ task.classList.add("hide");
+ }
+ }
+ currentTagView = tag;
+ },
+
setView: function (state: string) {
const sheet = (document.getElementById("viewStyle") as HTMLStyleElement).sheet!;
- sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
- sheet.removeRule(1);
+ if (state === "all") {
+ sheet.insertRule(`.task[data-state=deleted] { display: none }`);
+ } else {
+ sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
+ }
+ sheet.insertRule(`:root { --view-state-indicator-color: ${viewColors[state]}; }`);
+ sheet.removeRule(2);
+ sheet.removeRule(2);
currentViewState = state;
- if (document.activeElement?.getAttribute("data-state") !== state) {
+ if (this.currentTask()?.getAttribute("data-state") !== state) {
this.firstVisibleTask()?.focus();
}
},
+ setUntaggedView: function () {
+ for (const task of document.getElementsByClassName("task")) {
+ if (task.getElementsByClassName("tag").length === 0) {
+ task.classList.remove("hide");
+ } else {
+ task.classList.add("hide");
+ }
+ }
+ },
+
undo: function () {
const ret = ui.undo();
if (ret && ret instanceof HTMLElement) ret.focus();
},
+ redo: function () {
+ const ret = ui.redo();
+ if (ret && ret instanceof HTMLElement) ret.focus();
+ },
};
}
const browserUI = BrowserUI();
+const scrollIncrement = 60;
enum InputState {
- Command,
- View,
+ Root,
+ S,
+ V,
+ VS,
}
-var inputState = InputState.Command;
+var inputState = InputState.Root;
+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.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 (inputState === InputState.Command) {
- if (event.key == "j") return browserUI.moveCursor(1);
- if (event.key == "k") return browserUI.moveCursor(-1);
- 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 == "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 == "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) {
- inputState = InputState.Command;
+ if (inputState === InputState.Root) {
+ if ("0" <= event.key && event.key <= "9") {
+ return (inputCount = (inputCount ?? 0) * 10 + parseInt(event.key));
+ }
+ try {
+ if (event.ctrlKey) {
+ if (event.key == "e") return window.scrollBy(0, (inputCount ?? 1) * scrollIncrement);
+ if (event.key == "y") return window.scrollBy(0, (inputCount ?? 1) * -scrollIncrement);
+ } else {
+ if (event.key == "j") return browserUI.moveCursor(inputCount ?? 1);
+ if (event.key == "k") return browserUI.moveCursor(-(inputCount ?? 1));
+ if (event.key == "J") return browserUI.moveTask(inputCount ?? 1);
+ if (event.key == "K") return browserUI.moveTask(-(inputCount ?? 1));
+ if (event.key == "G") return browserUI.jumpCursor(inputCount ?? MAX_SAFE_INTEGER);
+ if (event.key == "T") return browserUI.makeTopPriority();
+ 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 (inputState = InputState.S);
+ if (event.key == "w") return browserUI.setState("waiting");
+ if (event.key == "X") return browserUI.setState("deleted");
+ 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.beginEdit(event);
+ if (event.key == "t") return browserUI.beginTagEdit(event);
+ if (event.key == "v") return (inputState = InputState.V);
+ }
+ } finally {
+ inputCount = null;
+ }
+ } else if (inputState === InputState.S) {
+ inputState = InputState.Root;
+ if (event.key == "m") return browserUI.setState("someday-maybe");
+ } else if (inputState === InputState.V) {
+ inputState = InputState.Root;
+ if (event.key == "a") return browserUI.setView("all");
if (event.key == "c") return browserUI.setView("cancelled");
if (event.key == "d") return browserUI.setView("done");
+ if (event.key == "i") return browserUI.setUntaggedView();
if (event.key == "q") return browserUI.setView("todo");
- if (event.key == "s") return browserUI.setView("someday-maybe");
+ if (event.key == "s") return (inputState = InputState.VS);
+ if (event.key == "T") return browserUI.resetTagView();
+ if (event.key == "t") return browserUI.setTagView();
+ if (event.key == "u") return browserUI.setUntaggedView();
+ if (event.key == "v") return browserUI.resetView();
if (event.key == "w") return browserUI.setView("waiting");
if (event.key == "x") return browserUI.setView("deleted");
+ } else if (inputState === InputState.VS) {
+ inputState = InputState.Root;
+ if (event.key == "m") return browserUI.setView("someday-maybe");
}
}
}
function browserInit() {
- document.body.addEventListener("keydown", handleKey, { capture: false });
log.replay();
browserUI.firstVisibleTask()?.focus();
+ document.body.addEventListener("keydown", handleKey, { capture: false });
}
projects / vopamoi / blobdiff