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1// Typescript doesn't know about MAX_SAFE_INTEGER?? This was supposed to be
2// fixed in typescript 2.0.1 in 2016, but is not working for me in typescript
3// 4.2.4 in 2022. :( https://github.com/microsoft/TypeScript/issues/9937
4//const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;
5const MAX_SAFE_INTEGER = 9007199254740991;
6
7// A sane split that splits N *times*, leaving the last chunk unsplit.
8function splitN(str: string, delimiter: string, limit: number = MAX_SAFE_INTEGER): string[] {
9 if (limit < 1) {
10 return [str];
11 }
12 const at = str.indexOf(delimiter);
13 return at === -1 ? [str] : [str.substring(0, at)].concat(splitN(str.substring(at + delimiter.length), delimiter, limit - 1));
14}
15
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16// A clock that never goes backwards; monotonic.
17function Clock() {
18 var previousNow = Date.now();
19 return {
20 now: function (): number {
21 const now = Date.now();
22 if (now > previousNow) {
23 previousNow = now;
24 return now;
25 }
26 return ++previousNow;
27 },
28 };
29}
30const clock = Clock();
31
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32// Returns a promise for a hue based on a hash of the string
33function hashHue(str: string) {
34 // Using crypto for this is overkill
35 return crypto.subtle.digest("SHA-256", new TextEncoder().encode(str)).then((buf) => (new Uint16Array(buf)[0] * 360) / 2 ** 16);
36}
37
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38function Model() {
39 return {
40 addTask: function (timestamp: string, description: string): Element {
41 const task = document.createElement("div");
42 const desc = document.createElement("span");
43 desc.textContent = description;
44 desc.classList.add("desc");
45 task.appendChild(desc);
46 task.classList.add("task");
47 task.setAttribute("tabindex", "0");
b6712c31 48 task.setAttribute("id", timestamp);
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49 task.setAttribute("data-state", "todo");
50 const tasks = document.getElementById("tasks")!;
51 tasks.insertBefore(task, tasks.firstElementChild);
52 return task;
53 },
54
55 addTag: function (createTimestamp: string, tagName: string): Element | null {
56 const task = this.getTask(createTimestamp);
57 if (!task) return null;
58 const existingTag = this.hasTag(task, tagName);
59 if (existingTag) return existingTag;
60 const tag = document.createElement("span");
61 tag.appendChild(document.createTextNode(tagName));
62 tag.classList.add("tag");
63 tag.setAttribute("tabindex", "0");
64 hashHue(tagName).then((hue) => (tag.style.backgroundColor = `hsl(${hue},90%,45%)`));
65 for (const child of task.getElementsByClassName("tag")) {
66 if (tagName > child.textContent!) {
67 task.insertBefore(tag, child);
68 return tag;
69 }
70 }
71 task.insertBefore(tag, task.getElementsByClassName("desc")[0]!);
72 return tag;
73 },
74
75 edit: function (createTimestamp: string, newDescription: string): Element | null {
76 const target = this.getTask(createTimestamp);
77 if (!target) return null;
78 if (target.hasAttribute("data-description")) {
79 // Oh no: An edit has arrived from a replica while a local edit is in progress.
80 const input = target.getElementsByTagName("input")[0]!;
81 if (
82 input.value === target.getAttribute("data-description") &&
83 input.selectionStart === input.value.length &&
84 input.selectionEnd === input.value.length
85 ) {
86 // No local changes have actually been made yet. Change the contents of the edit box!
87 input.value = newDescription;
88 } else {
89 // No great options.
90 // Prefer not to interrupt the local user's edit.
91 // The remote edit is mostly lost; this mostly becomes last-write-wins.
92 target.setAttribute("data-description", newDescription);
93 }
7b574407 94 } else {
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95 target.getElementsByClassName("desc")[0].textContent = newDescription;
96 }
97 return target;
98 },
99
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100 editContent: function (createTimestamp: string, newContent: string): Element | null {
101 const target = this.getTask(createTimestamp);
102 if (!target) return null;
103 if (target.hasAttribute("data-content")) {
104 // Oh no: An edit has arrived from a replica while a local edit is in progress.
105 const input = target.getElementsByTagName("textarea")[0]!;
106 if (
107 input.value === target.getAttribute("data-content") &&
108 input.selectionStart === input.value.length &&
109 input.selectionEnd === input.value.length
110 ) {
111 // No local changes have actually been made yet. Change the contents of the edit box!
112 input.value = newContent;
113 } else {
114 // No great options.
115 // Prefer not to interrupt the local user's edit.
116 // The remote edit is mostly lost; this mostly becomes last-write-wins.
117 target.setAttribute("data-content", newContent);
118 }
119 } else {
120 var content = target.getElementsByClassName("content")[0];
121 if (!content) {
122 content = document.createElement("div");
123 content.classList.add("content");
124 target.appendChild(content);
125 }
126 content.textContent = newContent;
127 }
128 return target;
129 },
130
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131 hasTag: function (task: Element, tag: string): Element | null {
132 for (const child of task.getElementsByClassName("tag")) {
133 if (child.textContent === tag) {
134 return child;
135 }
136 }
137 return null;
138 },
139
140 getPriority: function (task: Element): number {
141 if (task.hasAttribute("data-priority")) {
142 return parseFloat(task.getAttribute("data-priority")!);
143 }
b6712c31 144 return parseFloat(task.getAttribute("id")!);
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145 },
146
147 getTask: function (createTimestamp: string) {
b6712c31 148 return document.getElementById(createTimestamp);
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149 },
150
151 insertInPriorityOrder: function (task: Element, dest: Element) {
152 const priority = this.getPriority(task);
153 for (const t of dest.children) {
154 if (t !== task && this.getPriority(t) < priority) {
155 dest.insertBefore(task, t);
156 return;
157 }
158 }
159 dest.appendChild(task);
160 },
161
162 removeTag: function (createTimestamp: string, tagName: string) {
163 const task = this.getTask(createTimestamp);
164 if (!task) return null;
165 const tag = this.hasTag(task, tagName);
166 if (!tag) return;
167 task.removeChild(tag);
168 if (task instanceof HTMLElement) task.focus();
169 },
170
171 setPriority: function (createTimestamp: string, priority: number): Element | null {
172 const target = this.getTask(createTimestamp);
173 if (!target) return null;
174 target.setAttribute("data-priority", `${priority}`);
175 this.insertInPriorityOrder(target, target.parentElement!);
176 return target;
177 },
178
179 setState: function (stateTimestamp: string, createTimestamp: string, state: string) {
180 const task = this.getTask(createTimestamp);
181 if (!task) return;
182 task.setAttribute("data-state", state);
183 var date = task.getElementsByClassName("statedate")[0];
184 if (state === "todo") {
185 task.removeChild(date);
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186 return;
187 }
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188 if (!date) {
189 date = document.createElement("span");
190 date.classList.add("statedate");
191 task.insertBefore(date, task.firstChild);
192 }
193 const d = new Date(parseInt(stateTimestamp));
194 date.textContent = `${d.getFullYear()}-${`${d.getMonth() + 1}`.padStart(2, "0")}-${`${d.getDate()}`.padStart(2, "0")}`;
195 },
196 };
197}
198const model = Model();
f1afad9b 199
d03daa19 200function Log(prefix: string = "vp-") {
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201 var next_log_index = 0;
202 return {
e88c099c 203 apply: function (entry: string) {
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204 const [timestamp, command, data] = splitN(entry, " ", 2);
205 if (command == "Create") {
ef12457b 206 return model.addTask(timestamp, data);
60a63831 207 }
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208 if (command == "Edit") {
209 const [createTimestamp, description] = splitN(data, " ", 1);
ef12457b 210 return model.edit(createTimestamp, description);
7b574407 211 }
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212 if (command == "EditContent") {
213 const [createTimestamp, content] = splitN(data, " ", 1);
214 return model.editContent(createTimestamp, content);
215 }
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216 if (command == "Priority") {
217 const [createTimestamp, newPriority] = splitN(data, " ", 1);
ef12457b 218 return model.setPriority(createTimestamp, parseFloat(newPriority));
68a72fde 219 }
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220 if (command == "State") {
221 const [createTimestamp, state] = splitN(data, " ", 1);
ef12457b 222 return model.setState(timestamp, createTimestamp, state);
6a5644f3 223 }
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224 if (command == "Tag") {
225 const [createTimestamp, tag] = splitN(data, " ", 1);
ef12457b 226 return model.addTag(createTimestamp, tag);
7b5b90b9 227 }
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228 if (command == "Untag") {
229 const [createTimestamp, tag] = splitN(data, " ", 1);
ef12457b 230 return model.removeTag(createTimestamp, tag);
0726872b 231 }
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232 },
233
e88c099c 234 record: function (entry: string) {
d03daa19 235 window.localStorage.setItem(`${prefix}${next_log_index++}`, entry);
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236 },
237
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238 recordAndApply: function (entry: string) {
239 this.record(entry);
6d01c406 240 return this.apply(entry);
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241 },
242
243 replay: function () {
9db534f6 244 document.getElementById("tasks")!.style.display = "none";
60a63831 245 while (true) {
d03daa19 246 const entry = window.localStorage.getItem(`${prefix}${next_log_index}`);
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247 if (entry === null) {
248 break;
249 }
e88c099c 250 this.apply(entry);
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251 next_log_index++;
252 }
9db534f6 253 document.getElementById("tasks")!.style.display = "";
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254 },
255 };
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256}
257const log = Log();
262705dd 258
b56a37d3 259function UI() {
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260 const undoLog: string[][] = [];
261 const redoLog: string[][] = [];
76825ecd 262 function perform(forward: string, reverse: string) {
0d1c27a8 263 undoLog.push([reverse, forward]);
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264 return log.recordAndApply(`${clock.now()} ${forward}`);
265 }
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266 return {
267 addTask: function (description: string): Element {
268 const now = clock.now();
0d1c27a8 269 undoLog.push([`State ${now} deleted`, `State ${now} todo`]);
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270 return <Element>log.recordAndApply(`${now} Create ${description}`);
271 },
7b5b90b9 272 addTag: function (createTimestamp: string, tag: string) {
76825ecd 273 return perform(`Tag ${createTimestamp} ${tag}`, `Untag ${createTimestamp} ${tag}`);
7b5b90b9 274 },
b56a37d3 275 edit: function (createTimestamp: string, newDescription: string, oldDescription: string) {
76825ecd 276 return perform(`Edit ${createTimestamp} ${newDescription}`, `Edit ${createTimestamp} ${oldDescription}`);
b56a37d3 277 },
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278 editContent: function (createTimestamp: string, newContent: string, oldContent: string) {
279 return perform(`EditContent ${createTimestamp} ${newContent}`, `EditContent ${createTimestamp} ${oldContent}`);
280 },
b5f15e0e 281 removeTag: function (createTimestamp: string, tag: string) {
76825ecd 282 return perform(`Untag ${createTimestamp} ${tag}`, `Tag ${createTimestamp} ${tag}`);
b5f15e0e 283 },
b56a37d3 284 setPriority: function (createTimestamp: string, newPriority: number, oldPriority: number) {
76825ecd 285 return perform(`Priority ${createTimestamp} ${newPriority}`, `Priority ${createTimestamp} ${oldPriority}`);
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286 },
287 setState: function (createTimestamp: string, newState: string, oldState: string) {
76825ecd 288 return perform(`State ${createTimestamp} ${newState}`, `State ${createTimestamp} ${oldState}`);
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289 },
290 undo: function () {
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291 const entry = undoLog.pop();
292 if (entry) {
293 redoLog.push(entry);
294 return log.recordAndApply(`${clock.now()} ${entry[0]}`);
295 }
296 },
297 redo: function () {
298 const entry = redoLog.pop();
299 if (entry) {
300 undoLog.push(entry);
301 return log.recordAndApply(`${clock.now()} ${entry[1]}`);
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302 }
303 },
304 };
305}
306const ui = UI();
e88c099c 307
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308enum CommitOrAbort {
309 Commit,
310 Abort,
311}
312
ada060d7 313function BrowserUI() {
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314 const viewColors: { [key: string]: string } = {
315 all: "Gold",
316 cancelled: "Red",
317 deleted: "Black",
318 done: "LawnGreen",
319 "someday-maybe": "DeepSkyBlue",
320 todo: "White",
321 waiting: "MediumOrchid",
322 };
c948f3b4 323 var currentTagView: string | null = null;
868667c1 324 var currentViewState = "todo";
a59fbe41 325 var taskFocusedBeforeJumpingToInput: HTMLElement | null = null;
09cd65ad 326 var lastTagNameEntered = "";
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327 return {
328 addTask: function (event: KeyboardEvent) {
329 const input = <HTMLInputElement>document.getElementById("taskName");
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330 if (input.value.match(/^ *$/)) return;
331 const task = ui.addTask(input.value);
cddbdce1 332 if (currentViewState === "todo" || currentViewState === "all") {
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333 task instanceof HTMLElement && task.focus();
334 } else if (this.returnFocusAfterInput()) {
335 } else {
336 this.firstVisibleTask()?.focus();
337 }
338 input.value = "";
339 if (event.getModifierState("Control")) {
88bd89ef 340 this.makeBottomPriority(task);
bc7996fe 341 }
ada060d7 342 },
09657615 343
ada060d7 344 beginEdit: function (event: Event) {
32808c9a 345 const task = this.currentTask();
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346 if (!task) return;
347 const input = document.createElement("input");
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348 const desc = task.getElementsByClassName("desc")[0];
349 const oldDescription = desc.textContent!;
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350 task.setAttribute("data-description", oldDescription);
351 input.value = oldDescription;
352 input.addEventListener("blur", this.completeEdit, { once: true });
26737687 353 desc.textContent = "";
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354 task.insertBefore(input, task.firstChild);
355 input.focus();
356 event.preventDefault();
357 },
358
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359 beginEditContent: function (event: Event) {
360 const task = this.currentTask();
361 if (!task) return;
362 const input = document.createElement("textarea");
363 const content = task.getElementsByClassName("content")[0];
364 const oldContent = content?.textContent ?? "";
365 task.setAttribute("data-content", oldContent);
366 input.value = oldContent;
367 input.addEventListener("blur", this.completeContentEdit, { once: true });
368 if (content) content.textContent = "";
369 task.appendChild(input);
370 input.focus();
371 event.preventDefault();
372 },
373
7b5b90b9 374 beginTagEdit: function (event: Event) {
32808c9a 375 const task = this.currentTask();
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376 if (!task) return;
377 const input = document.createElement("input");
378 input.classList.add("tag");
379 input.addEventListener("blur", this.completeTagEdit, { once: true });
09cd65ad 380 input.value = lastTagNameEntered;
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381 task.appendChild(input);
382 input.focus();
09cd65ad 383 input.select();
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384 event.preventDefault();
385 },
7b574407 386
ad72cd51 387 completeEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
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388 const input = event.target as HTMLInputElement;
389 const task = input.parentElement!;
26737687 390 const desc = task.getElementsByClassName("desc")[0];
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391 const oldDescription = task.getAttribute("data-description")!;
392 const newDescription = input.value;
393 input.removeEventListener("blur", this.completeEdit);
132921e6 394 task.removeChild(input);
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395 task.removeAttribute("data-description");
396 task.focus();
fb19ac80 397 if (resolution === CommitOrAbort.Abort || newDescription.match(/^ *$/) || newDescription === oldDescription) {
26737687 398 desc.textContent = oldDescription;
ada060d7 399 } else {
b6712c31 400 ui.edit(task.getAttribute("id")!, newDescription, oldDescription);
ada060d7
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401 }
402 },
7b574407 403
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404 completeContentEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
405 const input = event.target as HTMLInputElement;
406 const task = input.parentElement!;
407 const content = task.getElementsByClassName("content")[0];
408 const oldContent = task.getAttribute("data-content")!;
409 const newContent = input.value;
410 input.removeEventListener("blur", this.completeContentEdit);
411 task.removeChild(input);
412 task.removeAttribute("data-content");
413 task.focus();
414 if (resolution === CommitOrAbort.Abort || newContent === oldContent) {
415 if (content) content.textContent = oldContent;
416 } else {
417 ui.editContent(task.getAttribute("id")!, newContent, oldContent);
418 }
419 },
420
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421 completeTagEdit: function (event: Event, resolution: CommitOrAbort = CommitOrAbort.Commit) {
422 const input = event.target as HTMLInputElement;
423 const task = input.parentElement!;
424 const newTagName = input.value;
425 input.removeEventListener("blur", this.completeTagEdit);
426 task.removeChild(input);
427 task.focus();
ef12457b 428 if (resolution === CommitOrAbort.Commit && !newTagName.match(/^ *$/) && !model.hasTag(task, newTagName)) {
b6712c31 429 ui.addTag(task.getAttribute("id")!, newTagName);
09cd65ad 430 lastTagNameEntered = newTagName;
e1eb33ad 431 }
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432 },
433
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434 currentTag: function (): Element | null {
435 var target = document.activeElement;
436 if (!target) return null;
437 if (target.classList.contains("task")) {
438 const tags = target.getElementsByClassName("tag");
439 target = tags[tags.length - 1];
440 }
441 if (!target || !target.classList.contains("tag")) return null;
442 return target;
443 },
444
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445 currentTask: function (): HTMLElement | null {
446 var target = document.activeElement;
447 if (!target) return null;
448 if (target.classList.contains("tag")) target = target.parentElement!;
55c0520e 449 if (!target.classList.contains("task")) return null;
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450 return target as HTMLElement;
451 },
452
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453 firstVisibleTask: function (root: Element | null = null) {
454 if (root === null) root = document.body;
455 for (const task of root.getElementsByClassName("task")) {
cddbdce1 456 const state = task.getAttribute("data-state");
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457 if (
458 task instanceof HTMLElement &&
459 (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
460 !task.classList.contains("hide")
461 ) {
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462 return task;
463 }
65a7510d 464 }
ada060d7 465 },
caa93fd1 466
ada060d7 467 focusTaskNameInput: function (event: Event) {
32808c9a 468 taskFocusedBeforeJumpingToInput = this.currentTask();
ada060d7 469 document.getElementById("taskName")!.focus();
a1aa43d8 470 window.scroll(0, 0);
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471 event.preventDefault();
472 },
09657615 473
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474 visibleTaskAtOffset(task: Element, offset: number): Element {
475 var cursor: Element | null = task;
476 var valid_cursor = cursor;
477 const increment = offset / Math.abs(offset);
478 while (true) {
479 cursor = increment > 0 ? cursor.nextElementSibling : cursor.previousElementSibling;
480 if (!cursor || !(cursor instanceof HTMLElement)) break;
cddbdce1 481 const state = cursor.getAttribute("data-state")!;
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482 if (
483 (state === currentViewState || (currentViewState === "all" && state !== "deleted")) &&
484 !cursor.classList.contains("hide")
485 ) {
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486 offset -= increment;
487 valid_cursor = cursor;
488 }
489 if (Math.abs(offset) < 0.5) break;
5fa4704c 490 }
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491 return valid_cursor;
492 },
23be73e3 493
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494 jumpCursor: function (position: number) {
495 const first = this.firstVisibleTask();
496 if (!first) return;
497 const dest = this.visibleTaskAtOffset(first, position - 1);
498 if (dest instanceof HTMLElement) dest.focus();
499 },
500
88bd89ef 501 makeBottomPriority: function (task: Element | null = null) {
32808c9a 502 if (!task) task = this.currentTask();
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503 if (!task) return;
504 this.setPriority(task, document.getElementById("tasks")!.lastElementChild, null);
505 },
506
55a4baa8 507 makeTopPriority: function (task: Element | null = null) {
32808c9a 508 if (!task) task = this.currentTask();
55a4baa8 509 if (!task) return;
b6712c31 510 ui.setPriority(task.getAttribute("id")!, clock.now(), model.getPriority(task));
88bd89ef 511 task instanceof HTMLElement && task.focus();
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512 },
513
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514 moveCursorLeft: function () {
515 const active = this.currentTask();
516 if (!active) return false;
517 if (active.parentElement!.classList.contains("task")) {
518 active.parentElement!.focus();
519 }
520 },
521
522 moveCursorRight: function () {
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523 const active = this.currentTask();
524 if (!active) return false;
525 (this.firstVisibleTask(active) as HTMLElement | null)?.focus();
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526 },
527
109d4bc2 528 moveCursorVertically: function (offset: number): boolean {
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529 let active = this.currentTask();
530 if (!active) {
531 this.firstVisibleTask()?.focus();
532 active = this.currentTask();
533 }
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534 if (!active) return false;
535 const dest = this.visibleTaskAtOffset(active, offset);
536 if (dest !== active && dest instanceof HTMLElement) {
537 dest.focus();
538 return true;
539 }
540 return false;
541 },
01f41859 542
ada060d7 543 moveTask: function (offset: number) {
32808c9a 544 const active = this.currentTask();
ada060d7
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545 if (!active) return;
546 const dest = this.visibleTaskAtOffset(active, offset);
547 if (dest === active) return; // Already extremal
548 var onePastDest: Element | null = this.visibleTaskAtOffset(dest, offset / Math.abs(offset));
549 if (onePastDest == dest) onePastDest = null; // Will become extremal
550 if (offset > 0) {
551 this.setPriority(active, dest, onePastDest);
552 } else {
553 this.setPriority(active, onePastDest, dest);
554 }
555 },
68a72fde 556
b5f15e0e 557 removeTag: function () {
5800003c 558 const target = this.currentTag();
4ccaa1d6 559 if (!target) return;
b6712c31 560 ui.removeTag(target.parentElement!.getAttribute("id")!, target.textContent!);
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561 },
562
312acaa8 563 resetTagView: function () {
c948f3b4 564 currentTagView = null;
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565 const taskList = document.getElementById("tasks")!;
566 for (const task of Array.from(document.getElementsByClassName("task"))) {
312acaa8 567 task.classList.remove("hide");
3a164930 568 if (task.parentElement !== taskList) {
ef12457b 569 model.insertInPriorityOrder(task, taskList);
3a164930 570 }
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571 }
572 },
573
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574 resetView: function () {
575 this.setView("todo");
312acaa8 576 this.resetTagView();
58b569ce
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577 },
578
a59fbe41
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579 returnFocusAfterInput: function (): boolean {
580 if (taskFocusedBeforeJumpingToInput) {
581 taskFocusedBeforeJumpingToInput.focus();
582 return true;
583 }
584 return false;
585 },
586
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587 // Change task's priority to be between other tasks a and b.
588 setPriority: function (task: Element, a: Element | null, b: Element | null) {
ef12457b
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589 const aPriority = a === null ? clock.now() : model.getPriority(a);
590 const bPriority = b === null ? 0 : model.getPriority(b);
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591 console.assert(aPriority > bPriority, aPriority, ">", bPriority);
592 const span = aPriority - bPriority;
593 const newPriority = bPriority + 0.1 * span + 0.8 * span * Math.random();
594 console.assert(aPriority > newPriority && newPriority > bPriority, aPriority, ">", newPriority, ">", bPriority);
ada060d7 595 const newPriorityRounded = Math.round(newPriority);
88bd89ef 596 const okToRound = aPriority > newPriorityRounded && newPriorityRounded > bPriority;
b6712c31 597 ui.setPriority(task.getAttribute("id")!, okToRound ? newPriorityRounded : newPriority, model.getPriority(task));
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598 task instanceof HTMLElement && task.focus();
599 },
68a72fde 600
ada060d7 601 setState: function (newState: string) {
32808c9a 602 const task = this.currentTask();
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603 if (!task) return;
604 const oldState = task.getAttribute("data-state")!;
605 if (newState === oldState) return;
b6712c31 606 const createTimestamp = task.getAttribute("id")!;
cddbdce1 607 if (currentViewState !== "all" || newState == "deleted") {
109d4bc2 608 this.moveCursorVertically(1) || this.moveCursorVertically(-1);
cddbdce1 609 }
b56a37d3 610 return ui.setState(createTimestamp, newState, oldState);
ada060d7 611 },
43f3cc0c 612
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613 setTagView: function (tag: string | null = null) {
614 if (tag === null) {
615 const target = this.currentTag();
616 if (!target) return;
617 tag = target.textContent!;
618 }
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619
620 if (currentTagView !== null) {
621 this.resetTagView();
622 }
623
624 const tasksWithTag = new Map();
312acaa8 625 for (const task of document.getElementsByClassName("task")) {
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626 if (model.hasTag(task, tag)) {
627 tasksWithTag.set(task.getElementsByClassName("desc")[0].textContent, [model.getPriority(task), task]);
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628 }
629 }
630
631 function highestPrioritySuperTask(t: Element) {
632 var maxPriority = -1;
633 var superTask = null;
634 for (const child of t.getElementsByClassName("tag")) {
635 const e = tasksWithTag.get(child.textContent);
636 if (e !== undefined && e[0] > maxPriority) {
637 maxPriority = e[0];
638 superTask = e[1];
639 }
640 }
641 return superTask;
642 }
643
644 for (const task of Array.from(document.getElementsByClassName("task"))) {
ef12457b 645 if (model.hasTag(task, tag)) {
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646 task.classList.remove("hide");
647 } else {
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648 const superTask = highestPrioritySuperTask(task);
649 if (superTask !== null) {
ef12457b 650 model.insertInPriorityOrder(task, superTask);
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651 } else {
652 task.classList.add("hide");
653 }
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654 }
655 }
3a164930 656
c948f3b4 657 currentTagView = tag;
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658 },
659
c2226333 660 setView: function (state: string) {
868667c1 661 const sheet = (document.getElementById("viewStyle") as HTMLStyleElement).sheet!;
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662 if (state === "all") {
663 sheet.insertRule(`.task[data-state=deleted] { display: none }`);
664 } else {
665 sheet.insertRule(`.task:not([data-state=${state}]) { display: none }`);
666 }
c2226333 667 sheet.insertRule(`:root { --view-state-indicator-color: ${viewColors[state]}; }`);
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668 sheet.removeRule(2);
669 sheet.removeRule(2);
868667c1 670 currentViewState = state;
32808c9a 671 if (this.currentTask()?.getAttribute("data-state") !== state) {
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672 this.firstVisibleTask()?.focus();
673 }
674 },
675
84849dfa 676 setUntaggedView: function () {
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677 if (currentTagView !== null) {
678 this.resetTagView();
679 }
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680 for (const task of document.getElementsByClassName("task")) {
681 if (task.getElementsByClassName("tag").length === 0) {
682 task.classList.remove("hide");
683 } else {
684 task.classList.add("hide");
685 }
686 }
687 },
688
ada060d7 689 undo: function () {
b56a37d3 690 const ret = ui.undo();
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691 if (ret && ret instanceof HTMLElement) ret.focus();
692 },
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693 redo: function () {
694 const ret = ui.redo();
695 if (ret && ret instanceof HTMLElement) ret.focus();
696 },
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697 };
698}
699const browserUI = BrowserUI();
06ee32a1 700
90381b6d 701const scrollIncrement = 60;
e94e9f27 702enum InputState {
02c8a409 703 Root,
36ddfad1 704 S,
02c8a409 705 V,
36ddfad1 706 VS,
e94e9f27 707}
02c8a409 708var inputState = InputState.Root;
36fa06f4 709var inputCount: number | null = null;
e94e9f27 710
f1afad9b 711function handleKey(event: any) {
f1d8d0ed 712 if (["Alt", "Control", "Meta", "Shift"].includes(event.key)) return;
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713 if (event.target.tagName === "TEXTAREA") {
714 if (event.key == "Enter" && event.ctrlKey) return browserUI.completeContentEdit(event);
715 if (event.key == "Escape") return browserUI.completeContentEdit(event, CommitOrAbort.Abort);
716 } else if (event.target.tagName === "INPUT") {
7b574407 717 if (event.target.id === "taskName") {
ada060d7 718 if (event.key == "Enter") return browserUI.addTask(event);
a59fbe41 719 if (event.key == "Escape") return browserUI.returnFocusAfterInput();
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720 } else if (event.target.classList.contains("tag")) {
721 if (event.key == "Enter") return browserUI.completeTagEdit(event);
722 if (event.key == "Escape") return browserUI.completeTagEdit(event, CommitOrAbort.Abort);
7b574407 723 } else {
ada060d7 724 if (event.key == "Enter") return browserUI.completeEdit(event);
ad72cd51 725 if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);
7b574407 726 }
a26b1f4b 727 } else {
02c8a409 728 if (inputState === InputState.Root) {
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729 if ("0" <= event.key && event.key <= "9") {
730 return (inputCount = (inputCount ?? 0) * 10 + parseInt(event.key));
731 }
732 try {
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733 if (event.ctrlKey) {
734 if (event.key == "e") return window.scrollBy(0, (inputCount ?? 1) * scrollIncrement);
735 if (event.key == "y") return window.scrollBy(0, (inputCount ?? 1) * -scrollIncrement);
736 } else {
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737 if (event.key == "h") return browserUI.moveCursorLeft();
738 if (event.key == "l") return browserUI.moveCursorRight();
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739 if (event.key == "j") return browserUI.moveCursorVertically(inputCount ?? 1);
740 if (event.key == "k") return browserUI.moveCursorVertically(-(inputCount ?? 1));
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741 if (event.key == "J") return browserUI.moveTask(inputCount ?? 1);
742 if (event.key == "K") return browserUI.moveTask(-(inputCount ?? 1));
743 if (event.key == "G") return browserUI.jumpCursor(inputCount ?? MAX_SAFE_INTEGER);
744 if (event.key == "T") return browserUI.makeTopPriority();
745 if (event.key == "n") return browserUI.focusTaskNameInput(event);
746 if (event.key == "c") return browserUI.setState("cancelled");
747 if (event.key == "d") return browserUI.setState("done");
748 if (event.key == "q") return browserUI.setState("todo");
749 if (event.key == "s") return (inputState = InputState.S);
750 if (event.key == "w") return browserUI.setState("waiting");
751 if (event.key == "X") return browserUI.setState("deleted");
752 if (event.key == "x") return browserUI.removeTag();
753 if (event.key == "u") return browserUI.undo();
754 if (event.key == "r") return browserUI.redo();
b9f7e989 755 if (event.key == "E") return browserUI.beginEditContent(event);
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756 if (event.key == "e") return browserUI.beginEdit(event);
757 if (event.key == "t") return browserUI.beginTagEdit(event);
758 if (event.key == "v") return (inputState = InputState.V);
759 }
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760 } finally {
761 inputCount = null;
762 }
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763 } else if (inputState === InputState.S) {
764 inputState = InputState.Root;
765 if (event.key == "m") return browserUI.setState("someday-maybe");
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766 } else if (inputState === InputState.V) {
767 inputState = InputState.Root;
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768 if (event.key == "a") return browserUI.setView("all");
769 if (event.key == "c") return browserUI.setView("cancelled");
770 if (event.key == "d") return browserUI.setView("done");
84849dfa 771 if (event.key == "i") return browserUI.setUntaggedView();
68d69314 772 if (event.key == "p") return browserUI.setTagView("Project");
c2226333 773 if (event.key == "q") return browserUI.setView("todo");
36ddfad1 774 if (event.key == "s") return (inputState = InputState.VS);
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775 if (event.key == "T") return browserUI.resetTagView();
776 if (event.key == "t") return browserUI.setTagView();
84849dfa 777 if (event.key == "u") return browserUI.setUntaggedView();
58b569ce 778 if (event.key == "v") return browserUI.resetView();
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779 if (event.key == "w") return browserUI.setView("waiting");
780 if (event.key == "x") return browserUI.setView("deleted");
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781 } else if (inputState === InputState.VS) {
782 inputState = InputState.Root;
c2226333 783 if (event.key == "m") return browserUI.setView("someday-maybe");
e94e9f27 784 }
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785 }
786}
787
f1afad9b 788function browserInit() {
d03daa19 789 log.replay();
ada060d7 790 browserUI.firstVisibleTask()?.focus();
bd267c29 791 document.body.addEventListener("keydown", handleKey, { capture: false });
f1afad9b 792}