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class KanbanModule {
constructor() {
this.commands = {};
this.terminal = null;
this.storageKey = 'webx11_kanban_tasks';
this.columns = ['todo', 'doing', 'done'];
this.priorities = ['low', 'medium', 'high'];
}
getHelpInfo() {
return {
'kanban': 'kanban <command> [args] — Manage tasks on a kanban board (todo, doing, done columns)'
};
}
registerCommands() {
this.commands['kanban'] = (args) => this.handleKanban(args);
}
loadTasks() {
try {
const data = localStorage.getItem(this.storageKey);
return data ? JSON.parse(data) : [];
} catch (e) {
return [];
}
}
saveTasks(tasks) {
try {
localStorage.setItem(this.storageKey, JSON.stringify(tasks));
} catch (e) {
if (this.terminal) {
this.terminal.print('Failed to save kanban tasks', 'error');
}
}
}
getNextId(tasks) {
if (!tasks.length) return 1;
return Math.max(...tasks.map(t => t.id)) + 1;
}
printUsage() {
this.terminal.print('Usage:', 'info');
this.terminal.print(' kanban add <task> Add task to TODO column', 'info');
this.terminal.print(' kanban move <id> <column> Move task to column (todo/doing/done)', 'info');
this.terminal.print(' kanban list Show all columns with tasks', 'info');
this.terminal.print(' kanban rm <id> Remove task', 'info');
this.terminal.print(' kanban clear Clear all tasks', 'info');
this.terminal.print(' kanban priority <id> <level> Set priority (low/medium/high)', 'info');
}
handleKanban(args) {
if (!args[0]) {
return this.printUsage();
}
const sub = args[0].toLowerCase();
switch (sub) {
case 'add':
return this.addTask(args.slice(1));
case 'move':
return this.moveTask(args[1], args[2]);
case 'list':
return this.listTasks();
case 'rm':
return this.removeTask(args[1]);
case 'clear':
return this.clearTasks();
case 'priority':
return this.setPriority(args[1], args[2]);
default:
this.terminal.print(`Unknown kanban command: ${sub}`, 'error');
return this.printUsage();
}
}
addTask(titleArgs) {
const title = titleArgs.join(' ').trim();
if (!title) {
return this.terminal.print('Usage: kanban add <task>', 'warning');
}
const tasks = this.loadTasks();
const task = {
id: this.getNextId(tasks),
title: title,
column: 'todo',
priority: 'medium',
created: new Date().toISOString()
};
tasks.push(task);
this.saveTasks(tasks);
this.terminal.print(`Added task #${task.id}: ${title}`, 'success');
}
moveTask(idStr, column) {
const id = parseInt(idStr, 10);
if (isNaN(id) || !column) {
return this.terminal.print('Usage: kanban move <id> <column>', 'warning');
}
const col = column.toLowerCase();
if (!this.columns.includes(col)) {
return this.terminal.print(`Unknown column: ${column}. Use todo/doing/done.`, 'error');
}
const tasks = this.loadTasks();
const task = tasks.find(t => t.id === id);
if (!task) {
return this.terminal.print(`Task #${id} not found`, 'error');
}
task.column = col;
this.saveTasks(tasks);
this.terminal.print(`Moved task #${id} to ${col}`, 'success');
}
listTasks() {
const tasks = this.loadTasks();
if (!tasks.length) {
return this.terminal.print('No tasks on the kanban board.', 'info');
}
this.terminal.print('Kanban board:', 'info');
for (const column of this.columns) {
const columnTasks = tasks.filter(t => t.column === column);
this.terminal.print(`\n[${column.toUpperCase()}]`, 'info');
if (!columnTasks.length) {
this.terminal.print(' (empty)', 'info');
continue;
}
for (const task of columnTasks) {
this.terminal.print(` #${task.id} ${task.title} [${task.priority}]`, 'info');
}
}
}
removeTask(idStr) {
const id = parseInt(idStr, 10);
if (isNaN(id)) {
return this.terminal.print('Usage: kanban rm <id>', 'warning');
}
const tasks = this.loadTasks();
const index = tasks.findIndex(t => t.id === id);
if (index === -1) {
return this.terminal.print(`Task #${id} not found`, 'error');
}
const removed = tasks.splice(index, 1)[0];
this.saveTasks(tasks);
this.terminal.print(`Removed task #${id}: ${removed.title}`, 'success');
}
clearTasks() {
this.saveTasks([]);
this.terminal.print('All kanban tasks cleared', 'success');
}
setPriority(idStr, priority) {
const id = parseInt(idStr, 10);
const level = (priority || '').toLowerCase();
if (isNaN(id) || !this.priorities.includes(level)) {
return this.terminal.print('Usage: kanban priority <id> <low|medium|high>', 'warning');
}
const tasks = this.loadTasks();
const task = tasks.find(t => t.id === id);
if (!task) {
return this.terminal.print(`Task #${id} not found`, 'error');
}
task.priority = level;
this.saveTasks(tasks);
this.terminal.print(`Set task #${id} priority to ${level}`, 'success');
}
}
if (typeof window.webx11 !== 'undefined' && window.webx11) {
webx11.moduleManager.registerModule(new KanbanModule(), 'https://webx11.duckdns.org/spaces/newos4/modules/ext/kanban.js');
}
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