用 Org GTD 工作流替换事情看板

注册 text/x-org 内容类型和 CodeMirror 编辑器，支持 TODO 状态流转、层级调整、子树移动与折叠。

新增 Org 文档解析、Agenda 日期分组、源任务定位、侧栏入口和响应式样式，并补充中文使用说明。

快捷键改为仅在 Org 编辑器中按配置加载，默认不绑定；无效 JSON 或键名只禁用自定义键位，不影响编辑器启动。

移除旧事情看板的字段模板、组件、样式和默认入口，统一使用 Org GTD 工作流。

1 files changed, 0 insertions, 729 deletions

diff --git a/tiddlers/plugin-task-board-widget.tid b/tiddlers/plugin-task-board-widget.tid
deleted file mode 100644
index 397811b..0000000
--- a/tiddlers/plugin-task-board-widget.tid
+++ /dev/null
@@ -1,729 +0,0 @@
-title: $:/plugins/local/task-board/widget.js
-type: application/javascript
-module-type: widget
-
-/*\
-title: $:/plugins/local/task-board/widget.js
-type: application/javascript
-module-type: widget
-
-Task board with kanban, list, calendar, and Gantt views.
-\*/
-(function() {
-"use strict";
-
-var Widget = require("$:/core/modules/widgets/widget.js").widget,
-	VIEW_STATE_TITLE = "$:/state/task-board/view",
-	MONTH_STATE_TITLE = "$:/state/task-board/month",
-	DAY_MS = 24 * 60 * 60 * 1000,
-	DAY_WIDTH = 30,
-	STATUSES = ["待处理","进行中","等待","完成"],
-	PRIORITIES = ["P1","P2","P3"],
-	VIEW_LABELS = {
-		board: "看板",
-		list: "列表",
-		calendar: "日历",
-		gantt: "甘特图"
-	};
-
-var TaskBoardWidget = function(parseTreeNode,options) {
-	this.initialise(parseTreeNode,options);
-};
-
-TaskBoardWidget.prototype = new Widget();
-TaskBoardWidget.prototype.constructor = TaskBoardWidget;
-
-function pad(value) {
-	return value < 10 ? "0" + value : "" + value;
-}
-
-function todayKey() {
-	var now = new Date();
-	return now.getFullYear() + "-" + pad(now.getMonth() + 1) + "-" + pad(now.getDate());
-}
-
-function monthKey(date) {
-	return date.getUTCFullYear() + "-" + pad(date.getUTCMonth() + 1);
-}
-
-function parseDate(value) {
-	var match = /^(\d{4})-(\d{2})-(\d{2})$/.exec(value || ""),
-		date;
-	if(!match) {
-		return null;
-	}
-	date = new Date(0);
-	date.setUTCHours(0,0,0,0);
-	date.setUTCFullYear(Number(match[1]),Number(match[2]) - 1,Number(match[3]));
-	if(date.getUTCFullYear() !== Number(match[1]) || date.getUTCMonth() !== Number(match[2]) - 1 || date.getUTCDate() !== Number(match[3])) {
-		return null;
-	}
-	return date;
-}
-
-function dateKey(date) {
-	return date.getUTCFullYear() + "-" + pad(date.getUTCMonth() + 1) + "-" + pad(date.getUTCDate());
-}
-
-function dayNumber(date) {
-	return Math.floor(date.getTime() / DAY_MS);
-}
-
-function addDays(date,amount) {
-	return new Date(date.getTime() + amount * DAY_MS);
-}
-
-function isValidMonth(value) {
-	var match = /^(\d{4})-(\d{2})$/.exec(value || "");
-	return !!match && Number(match[2]) >= 1 && Number(match[2]) <= 12;
-}
-
-function priorityRank(priority) {
-	var rank = PRIORITIES.indexOf(priority);
-	return rank === -1 ? PRIORITIES.length : rank;
-}
-
-function compareTasks(left,right) {
-	var priorityDifference = priorityRank(left.effectivePriority) - priorityRank(right.effectivePriority);
-	if(priorityDifference) {
-		return priorityDifference;
-	}
-	var leftDue = left.dueDate ? dayNumber(left.dueDate) : Infinity,
-		rightDue = right.dueDate ? dayNumber(right.dueDate) : Infinity;
-	if(leftDue !== rightDue) {
-		return leftDue - rightDue;
-	}
-	return left.title.localeCompare(right.title);
-}
-
-TaskBoardWidget.prototype.render = function(parent,nextSibling) {
-	this.parentDomNode = parent;
-	this.computeAttributes();
-	this.execute();
-
-	this.containerNode = this.document.createElement("div");
-	this.containerNode.className = "tc-task-board";
-	parent.insertBefore(this.containerNode,nextSibling);
-	this.domNodes.push(this.containerNode);
-	this.renderBoard();
-};
-
-TaskBoardWidget.prototype.execute = function() {
-	this.tag = this.getAttribute("tag","事情");
-};
-
-TaskBoardWidget.prototype.createElement = function(tagName,className,text) {
-	var node = this.document.createElement(tagName);
-	if(className) {
-		node.className = className;
-	}
-	if(text !== undefined && text !== null) {
-		node.textContent = text;
-	}
-	return node;
-};
-
-TaskBoardWidget.prototype.createButton = function(label,className,handler) {
-	var button = this.createElement("button",className,label);
-	button.setAttribute("type","button");
-	button.addEventListener("click",handler);
-	return button;
-};
-
-TaskBoardWidget.prototype.setState = function(title,value) {
-	this.wiki.addTiddler({title: title,text: value});
-};
-
-TaskBoardWidget.prototype.getView = function() {
-	var view = this.wiki.getTiddlerText(VIEW_STATE_TITLE,"board");
-	return VIEW_LABELS[view] ? view : "board";
-};
-
-TaskBoardWidget.prototype.getMonth = function() {
-	var value = this.wiki.getTiddlerText(MONTH_STATE_TITLE,"");
-	if(isValidMonth(value)) {
-		return value;
-	}
-	var today = parseDate(todayKey());
-	return monthKey(today);
-};
-
-TaskBoardWidget.prototype.getTasks = function() {
-	var self = this,
-		tasks = [];
-
-	this.wiki.getTiddlersWithTag(this.tag).forEach(function(title) {
-		var tiddler = self.wiki.getTiddler(title);
-		if(!tiddler || tiddler.fields["draft.of"]) {
-			return;
-		}
-		var fields = tiddler.fields,
-			start = fields.start || "",
-			end = fields.end || "",
-			due = fields.due || "",
-			startDate = parseDate(start),
-			endDate = parseDate(end),
-			dueDate = parseDate(due),
-			issues = [],
-			rangeError,
-			dateError,
-			calendarDates = [];
-
-		if(start && !startDate) {
-			issues.push("开始日期无效");
-		}
-		if(end && !endDate) {
-			issues.push("结束日期无效");
-		}
-		if(due && !dueDate) {
-			issues.push("截止日期无效");
-		}
-		if(startDate && endDate && endDate < startDate) {
-			issues.push("结束日期早于开始日期");
-		}
-		dateError = !!((start && !startDate) || (end && !endDate) || (due && !dueDate));
-		rangeError = !!((start && !startDate) || (end && !endDate) || (startDate && endDate && endDate < startDate));
-		[
-			{type: "start",label: "开始",date: startDate},
-			{type: "end",label: "结束",date: endDate},
-			{type: "due",label: "截止",date: dueDate}
-		].forEach(function(item) {
-			if(item.date) {
-				calendarDates.push(item);
-			}
-		});
-		calendarDates.sort(function(left,right) {
-			return dayNumber(left.date) - dayNumber(right.date);
-		});
-		if(STATUSES.indexOf(fields.status) === -1) {
-			issues.push("状态无效");
-		}
-		if(PRIORITIES.indexOf(fields.priority) === -1) {
-			issues.push("优先级无效");
-		}
-
-		tasks.push({
-			title: title,
-			status: fields.status || "",
-			effectiveStatus: STATUSES.indexOf(fields.status) === -1 ? STATUSES[0] : fields.status,
-			priority: fields.priority || "",
-			effectivePriority: PRIORITIES.indexOf(fields.priority) === -1 ? "P2" : fields.priority,
-			start: start,
-			end: end,
-			due: due,
-			startDate: startDate,
-			endDate: endDate,
-			dueDate: dueDate,
-			rangeValid: !!startDate && !rangeError,
-			rangeError: rangeError,
-			dateError: dateError,
-			calendarDates: calendarDates,
-			tags: (fields.tags || []).filter(function(tag) {return tag !== self.tag;}),
-			issues: issues
-		});
-	});
-
-	return tasks.sort(compareTasks);
-};
-
-TaskBoardWidget.prototype.navigateTo = function(title,node,event) {
-	var bounds = node.getBoundingClientRect();
-	this.dispatchEvent({
-		type: "tm-navigate",
-		navigateTo: title,
-		navigateFromTitle: this.getVariable("storyTiddler"),
-		navigateFromNode: this,
-		navigateFromClientRect: {
-			top: bounds.top,
-			left: bounds.left,
-			width: bounds.width,
-			right: bounds.right,
-			bottom: bounds.bottom,
-			height: bounds.height
-		},
-		navigateSuppressNavigation: event && (event.metaKey || event.ctrlKey || event.button === 1)
-	});
-};
-
-TaskBoardWidget.prototype.createTaskLink = function(task,className,label) {
-	var self = this,
-		button = this.createButton(label !== undefined ? label : task.title,"tc-btn-invisible " + className,function(event) {
-			self.navigateTo(task.title,event.currentTarget,event);
-		});
-	button.title = "打开事情：" + task.title;
-	button.setAttribute("aria-label","打开事情：" + task.title);
-	return button;
-};
-
-TaskBoardWidget.prototype.renderBoard = function() {
-	var tasks = this.getTasks(),
-		view = this.getView();
-	this.renderToolbar(view);
-	if(view === "list") {
-		this.renderList(tasks);
-	} else if(view === "calendar") {
-		this.renderCalendar(tasks);
-	} else if(view === "gantt") {
-		this.renderGantt(tasks);
-	} else {
-		this.renderKanban(tasks);
-	}
-};
-
-TaskBoardWidget.prototype.renderToolbar = function(currentView) {
-	var self = this,
-		toolbar = this.createElement("div","tc-task-board-toolbar"),
-		switcher = this.createElement("div","tc-task-board-switcher");
-
-	toolbar.appendChild(this.createButton("+ 新建事情","tc-btn-invisible tc-task-board-new",function() {
-		self.dispatchEvent({
-			type: "tm-new-tiddler",
-			paramObject: {
-				tags: $tw.utils.stringifyList([self.tag]),
-				priority: "P2",
-				status: "待处理",
-				start: todayKey()
-			},
-			navigateFromTitle: self.getVariable("storyTiddler")
-		});
-	}));
-
-	Object.keys(VIEW_LABELS).forEach(function(view) {
-		var button = self.createButton(VIEW_LABELS[view],"tc-btn-invisible tc-task-board-view-button" + (view === currentView ? " tc-selected" : ""),function() {
-			self.setState(VIEW_STATE_TITLE,view);
-		});
-		button.setAttribute("aria-pressed",view === currentView ? "true" : "false");
-		switcher.appendChild(button);
-	});
-	toolbar.appendChild(switcher);
-	this.containerNode.appendChild(toolbar);
-};
-
-TaskBoardWidget.prototype.renderPriority = function(task) {
-	var badge = this.createElement("span","tc-task-priority tc-task-priority-" + task.effectivePriority.toLowerCase(),task.priority || "未设置");
-	badge.title = "优先级";
-	return badge;
-};
-
-TaskBoardWidget.prototype.renderIssues = function(task,parent) {
-	if(task.issues.length) {
-		var issue = this.createElement("span","tc-task-issues","⚠ " + task.issues.join("；"));
-		issue.title = task.issues.join("；");
-		parent.appendChild(issue);
-	}
-};
-
-TaskBoardWidget.prototype.renderTaskDates = function(task,parent) {
-	var values = [];
-	if(task.start) {values.push("开始 " + task.start);}
-	if(task.end) {values.push("结束 " + task.end);}
-	if(task.due) {values.push("截止 " + task.due);}
-	parent.appendChild(this.createElement("div","tc-task-card-dates",values.length ? values.join(" · ") : "未排期"));
-};
-
-TaskBoardWidget.prototype.updateTaskStatus = function(title,status) {
-	var tiddler = this.wiki.getTiddler(title);
-	if(tiddler && !tiddler.fields["draft.of"] && (tiddler.fields.tags || []).indexOf(this.tag) !== -1 && STATUSES.indexOf(status) !== -1) {
-		this.wiki.addTiddler(new $tw.Tiddler(tiddler,{status: status},this.wiki.getModificationFields()));
-	}
-};
-
-TaskBoardWidget.prototype.renderKanban = function(tasks) {
-	var self = this,
-		board = this.createElement("div","tc-task-kanban");
-
-	STATUSES.forEach(function(status) {
-		var column = self.createElement("section","tc-task-kanban-column tc-task-status-" + STATUSES.indexOf(status)),
-			columnTasks = tasks.filter(function(task) {return task.effectiveStatus === status;}),
-			heading = self.createElement("h2","tc-task-kanban-heading",status + " · " + columnTasks.length),
-			cards = self.createElement("div","tc-task-kanban-cards");
-
-		column.setAttribute("data-task-status",status);
-		column.addEventListener("dragover",function(event) {
-			event.preventDefault();
-			column.classList.add("tc-drag-over");
-		});
-		column.addEventListener("dragleave",function() {
-			column.classList.remove("tc-drag-over");
-		});
-		column.addEventListener("drop",function(event) {
-			event.preventDefault();
-			column.classList.remove("tc-drag-over");
-			var title = self.draggedTaskTitle;
-			if(title) {
-				self.updateTaskStatus(title,status);
-			}
-			self.draggedTaskTitle = null;
-		});
-
-		column.appendChild(heading);
-		columnTasks.forEach(function(task) {
-			var card = self.createElement("article","tc-task-card");
-			card.setAttribute("draggable","true");
-			card.setAttribute("data-task-title",task.title);
-			card.addEventListener("dragstart",function(event) {
-				self.draggedTaskTitle = task.title;
-				if(event.dataTransfer) {
-					event.dataTransfer.setData("application/x-tiddlywiki-task",task.title);
-					event.dataTransfer.effectAllowed = "move";
-				}
-				card.classList.add("tc-dragging");
-			});
-			card.addEventListener("dragend",function() {
-				self.draggedTaskTitle = null;
-				card.classList.remove("tc-dragging");
-			});
-			var cardTop = self.createElement("div","tc-task-card-top");
-			cardTop.appendChild(self.createTaskLink(task,"tc-task-card-title"));
-			cardTop.appendChild(self.renderPriority(task));
-			card.appendChild(cardTop);
-			self.renderTaskDates(task,card);
-			if(task.tags.length) {
-				card.appendChild(self.createElement("div","tc-task-card-tags",task.tags.join(" · ")));
-			}
-			self.renderIssues(task,card);
-			cards.appendChild(card);
-		});
-		if(!columnTasks.length) {
-			cards.appendChild(self.createElement("div","tc-task-empty-column","暂无事情"));
-		}
-		column.appendChild(cards);
-		board.appendChild(column);
-	});
-	this.containerNode.appendChild(board);
-};
-
-TaskBoardWidget.prototype.renderList = function(tasks) {
-	var self = this,
-		wrapper = this.createElement("div","tc-task-list-wrapper"),
-		table = this.createElement("table","tc-task-list"),
-		thead = this.createElement("thead"),
-		headerRow = this.createElement("tr"),
-		tbody = this.createElement("tbody");
-
-	["事情","优先级","状态","开始","结束","截止"].forEach(function(label) {
-		headerRow.appendChild(self.createElement("th","",label));
-	});
-	thead.appendChild(headerRow);
-	table.appendChild(thead);
-
-	tasks.forEach(function(task) {
-		var row = self.createElement("tr","tc-task-list-row" + (task.issues.length ? " tc-task-invalid" : "")),
-			titleCell = self.createElement("td","tc-task-list-title");
-		titleCell.setAttribute("data-label","事情");
-		titleCell.appendChild(self.createTaskLink(task,"tc-task-list-link"));
-		self.renderIssues(task,titleCell);
-		row.appendChild(titleCell);
-		[
-			["优先级",task.priority || "-"],
-			["状态",task.status || "-"],
-			["开始",task.start || "-"],
-			["结束",task.end || "-"],
-			["截止",task.due || "-"]
-		].forEach(function(item) {
-			var cell = self.createElement("td","",item[1]);
-			cell.setAttribute("data-label",item[0]);
-			row.appendChild(cell);
-		});
-		tbody.appendChild(row);
-	});
-
-	if(!tasks.length) {
-		var emptyRow = this.createElement("tr"),
-			emptyCell = this.createElement("td","tc-task-empty","还没有事情");
-		emptyCell.setAttribute("colspan","6");
-		emptyRow.appendChild(emptyCell);
-		tbody.appendChild(emptyRow);
-	}
-
-	table.appendChild(tbody);
-	wrapper.appendChild(table);
-	this.containerNode.appendChild(wrapper);
-};
-
-TaskBoardWidget.prototype.renderMonthControls = function(value) {
-	var self = this,
-		controls = this.createElement("div","tc-task-calendar-controls"),
-		parts = value.split("-"),
-		year = Number(parts[0]),
-		month = Number(parts[1]);
-
-	function move(offset) {
-		self.setState(MONTH_STATE_TITLE,monthKey(new Date(Date.UTC(year,month - 1 + offset,1))));
-	}
-
-	controls.appendChild(this.createButton("上个月","tc-btn-invisible tc-task-month-button",function() {move(-1);}));
-	controls.appendChild(this.createElement("h2","tc-task-calendar-title",year + "年" + month + "月"));
-	controls.appendChild(this.createButton("本月","tc-btn-invisible tc-task-month-button",function() {
-		self.setState(MONTH_STATE_TITLE,monthKey(parseDate(todayKey())));
-	}));
-	controls.appendChild(this.createButton("下个月","tc-btn-invisible tc-task-month-button",function() {move(1);}));
-	this.containerNode.appendChild(controls);
-};
-
-TaskBoardWidget.prototype.renderCalendar = function(tasks) {
-	var self = this,
-		value = this.getMonth(),
-		parts = value.split("-"),
-		year = Number(parts[0]),
-		month = Number(parts[1]),
-		firstDate = new Date(Date.UTC(year,month - 1,1)),
-		firstWeekday = (firstDate.getUTCDay() + 6) % 7,
-		daysInMonth = new Date(Date.UTC(year,month,0)).getUTCDate(),
-		calendar = this.createElement("div","tc-task-calendar-grid"),
-		header = this.createElement("div","tc-task-calendar-header"),
-		weeks = this.createElement("div","tc-task-calendar-weeks"),
-		weekdays = ["一","二","三","四","五","六","日"],
-		unscheduled = tasks.filter(function(task) {
-			return !task.calendarDates.length || task.dateError || task.rangeError;
-		}),
-		today = todayKey(),
-		monthStart = firstDate,
-		monthEnd = new Date(Date.UTC(year,month - 1,daysInMonth)),
-		calendarStart = addDays(firstDate,-firstWeekday),
-		weekCount = Math.ceil((firstWeekday + daysInMonth) / 7);
-
-	this.renderMonthControls(value);
-	calendar.setAttribute("role","grid");
-	header.setAttribute("role","row");
-	weeks.setAttribute("role","rowgroup");
-	weekdays.forEach(function(weekday) {
-		var heading = self.createElement("div","tc-task-calendar-weekday",weekday);
-		heading.setAttribute("role","columnheader");
-		header.appendChild(heading);
-	});
-	calendar.appendChild(header);
-
-	for(var weekIndex = 0; weekIndex < weekCount; weekIndex++) {
-		var weekStart = addDays(calendarStart,weekIndex * 7),
-			weekEnd = addDays(weekStart,6),
-			week = this.createElement("div","tc-task-calendar-week"),
-			items = [],
-			lanes = [];
-		week.setAttribute("role","row");
-
-		tasks.forEach(function(task) {
-			if(task.calendarDates.length) {
-				var firstCalendarDate = task.calendarDates[0].date,
-					lastCalendarDate = task.calendarDates[task.calendarDates.length - 1].date,
-					segmentStart = new Date(Math.max(firstCalendarDate.getTime(),monthStart.getTime(),weekStart.getTime())),
-					segmentEnd = new Date(Math.min(lastCalendarDate.getTime(),monthEnd.getTime(),weekEnd.getTime()));
-				if(segmentStart <= segmentEnd) {
-					items.push({
-						task: task,
-						type: task.calendarDates.length === 1 ? "point" : "range",
-						start: dayNumber(segmentStart) - dayNumber(weekStart) + 1,
-						end: dayNumber(segmentEnd) - dayNumber(weekStart) + 1,
-						starts: dateKey(segmentStart) === dateKey(firstCalendarDate),
-						ends: dateKey(segmentEnd) === dateKey(lastCalendarDate),
-						dateLabel: task.calendarDates[0].label
-					});
-				}
-				if(task.calendarDates.length === 3) {
-					var middle = task.calendarDates[1];
-					if(middle.date >= monthStart && middle.date <= monthEnd && middle.date >= weekStart && middle.date <= weekEnd) {
-						var middleColumn = dayNumber(middle.date) - dayNumber(weekStart) + 1;
-						items.push({task: task,type: "milestone",start: middleColumn,end: middleColumn,dateLabel: middle.label});
-					}
-				}
-			}
-		});
-
-		items.forEach(function(item) {
-			var lane = 0;
-			while(lanes[lane] && lanes[lane].some(function(occupied) {
-				return item.start <= occupied.end && item.end >= occupied.start;
-			})) {
-				lane++;
-			}
-			lanes[lane] = lanes[lane] || [];
-			lanes[lane].push(item);
-			item.lane = lane;
-		});
-
-		week.style.gridTemplateRows = "minmax(2.25rem,1fr) repeat(" + lanes.length + ",1.5rem)";
-		for(var column = 0; column < 7; column++) {
-			var cellDate = addDays(weekStart,column),
-				inMonth = cellDate >= monthStart && cellDate <= monthEnd,
-				key = dateKey(cellDate),
-				cell = self.createElement("div","tc-task-calendar-day" + (!inMonth ? " tc-task-calendar-blank" : "") + (key === today ? " tc-task-calendar-today" : ""));
-			cell.style.gridColumn = (column + 1) + "";
-			cell.style.gridRow = "1 / span " + (lanes.length + 1);
-			cell.setAttribute("role","gridcell");
-			cell.setAttribute("aria-label",key);
-			if(inMonth) {
-				cell.appendChild(self.createElement("div","tc-task-calendar-day-number",cellDate.getUTCDate()));
-			}
-			week.appendChild(cell);
-		}
-
-		items.forEach(function(item) {
-			var className = item.type === "range" ? "tc-task-calendar-range" + (item.starts ? " tc-range-start" : "") + (item.ends ? " tc-range-end" : "") : item.type === "point" ? "tc-task-calendar-point" : "tc-task-calendar-milestone",
-				label = item.type === "point" || item.type === "milestone" ? item.dateLabel + " · " + item.task.title : item.task.title,
-				entry = self.createTaskLink(item.task,className,label);
-			entry.style.gridColumn = item.start + " / " + (item.end + 1);
-			entry.style.gridRow = (item.lane + 2) + "";
-			entry.setAttribute("data-priority",item.task.effectivePriority);
-			week.appendChild(entry);
-		});
-		weeks.appendChild(week);
-	}
-
-	calendar.appendChild(weeks);
-	this.containerNode.appendChild(calendar);
-	this.renderUnscheduled(unscheduled,"未排期或日期异常");
-};
-
-TaskBoardWidget.prototype.renderUnscheduled = function(tasks,label) {
-	var self = this;
-	if(!tasks.length) {
-		return;
-	}
-	var section = this.createElement("section","tc-task-unscheduled"),
-		list = this.createElement("div","tc-task-unscheduled-list");
-	section.appendChild(this.createElement("h3","",label + " · " + tasks.length));
-	tasks.forEach(function(task) {
-		list.appendChild(self.createTaskLink(task,"tc-task-unscheduled-link"));
-	});
-	section.appendChild(list);
-	this.containerNode.appendChild(section);
-};
-
-TaskBoardWidget.prototype.renderGantt = function(tasks) {
-	var self = this,
-		datedTasks = tasks.filter(function(task) {return task.rangeValid || (!task.start && task.endDate) || task.dueDate;}),
-		unscheduled = tasks.filter(function(task) {return task.rangeError || (!task.rangeValid && !(!task.start && task.endDate) && !task.dueDate);}),
-		dates = [];
-
-	datedTasks.forEach(function(task) {
-		var renderedDates = [];
-		if(task.rangeValid) {
-			renderedDates.push(task.startDate,task.endDate || task.startDate);
-		} else if(!task.start && task.endDate) {
-			renderedDates.push(task.endDate);
-		}
-		if(task.dueDate) {
-			renderedDates.push(task.dueDate);
-		}
-		renderedDates.forEach(function(date) {
-			if(date) {dates.push(dayNumber(date));}
-		});
-	});
-	if(!dates.length) {
-		this.containerNode.appendChild(this.createElement("div","tc-task-empty","没有可绘制的日期"));
-		this.renderUnscheduled(unscheduled,"未排期事情");
-		return;
-	}
-
-	var minimum = Math.min.apply(Math,dates) - 2,
-		maximum = Math.max.apply(Math,dates) + 2,
-		span = maximum - minimum + 1,
-		step = Math.max(1,Math.ceil(span / 366)),
-		units = Math.ceil(span / step),
-		labelReserve = Math.max.apply(Math,datedTasks.map(function(task) {
-			return task.title.length * 14 + 32;
-		}).concat([180])),
-		startDate = new Date(minimum * DAY_MS),
-		wrapper = this.createElement("div","tc-task-gantt-scroll"),
-		gantt = this.createElement("div","tc-task-gantt"),
-		header = this.createElement("div","tc-task-gantt-row tc-task-gantt-header"),
-		headerLabel = this.createElement("div","tc-task-gantt-label","事情"),
-		headerTimeline = this.createElement("div","tc-task-gantt-timeline tc-task-gantt-header-timeline"),
-		monthTrack = this.createElement("div","tc-task-gantt-months"),
-		dayTrack = this.createElement("div","tc-task-gantt-days"),
-		monthGroups = [],
-		today = parseDate(todayKey()),
-		todayOffset = (dayNumber(today) - minimum) / step;
-
-	gantt.style.setProperty("--task-gantt-width",units * DAY_WIDTH + labelReserve + "px");
-	gantt.style.setProperty("--task-gantt-date-width",units * DAY_WIDTH + "px");
-	header.appendChild(headerLabel);
-	for(var index = 0; index < units; index++) {
-		var date = addDays(startDate,index * step),
-			key = monthKey(date),
-			group = monthGroups[monthGroups.length - 1],
-			day = this.createElement("div","tc-task-gantt-day",pad(date.getUTCDate()));
-		if(!group || group.key !== key) {
-			group = {key: key,date: date,count: 0};
-			monthGroups.push(group);
-		}
-		group.count++;
-		day.style.width = DAY_WIDTH + "px";
-		day.setAttribute("title",dateKey(date) + (step > 1 ? " 起 " + step + " 天" : ""));
-		day.setAttribute("aria-label",dateKey(date) + (step > 1 ? " 起 " + step + " 天" : ""));
-		dayTrack.appendChild(day);
-	}
-	monthGroups.forEach(function(group) {
-		var segment = self.createElement("div","tc-task-gantt-month-segment"),
-			label = self.createElement("span","tc-task-gantt-month-label",group.date.getUTCFullYear() + "年" + (group.date.getUTCMonth() + 1) + "月");
-		segment.style.width = group.count * DAY_WIDTH + "px";
-		segment.setAttribute("title",label.textContent);
-		segment.appendChild(label);
-		monthTrack.appendChild(segment);
-	});
-	headerTimeline.appendChild(monthTrack);
-	headerTimeline.appendChild(dayTrack);
-	header.appendChild(headerTimeline);
-	gantt.appendChild(header);
-
-	datedTasks.forEach(function(task) {
-		var row = self.createElement("div","tc-task-gantt-row"),
-			label = self.createElement("div","tc-task-gantt-label"),
-			timeline = self.createElement("div","tc-task-gantt-timeline"),
-			barStart = task.startDate,
-			barEnd = task.rangeValid ? (task.endDate || task.startDate) : null;
-		label.appendChild(self.createTaskLink(task,"tc-task-gantt-task-link"));
-		label.appendChild(self.renderPriority(task));
-		self.renderIssues(task,label);
-
-		if(barStart && barEnd) {
-			var left = (dayNumber(barStart) - minimum) / step * DAY_WIDTH,
-				width = (dayNumber(barEnd) - dayNumber(barStart) + 1) / step * DAY_WIDTH,
-				barWidth = Math.max(width,DAY_WIDTH),
-				bar = self.createTaskLink(task,"tc-task-gantt-bar",""),
-				barLabel = self.createTaskLink(task,"tc-task-gantt-bar-label");
-			bar.style.left = left + "px";
-			bar.style.width = barWidth + "px";
-			bar.setAttribute("data-priority",task.effectivePriority);
-			barLabel.style.left = (left + barWidth + 8) + "px";
-			timeline.appendChild(bar);
-			timeline.appendChild(barLabel);
-		} else if(!task.start && task.endDate) {
-			var endMarker = self.createTaskLink(task,"tc-task-gantt-end","◆");
-			endMarker.style.left = ((dayNumber(task.endDate) - minimum) / step * DAY_WIDTH + DAY_WIDTH / 2) + "px";
-			endMarker.title = "计划结束：" + task.end;
-			timeline.appendChild(endMarker);
-		}
-		if(task.dueDate) {
-			var dueMarker = self.createTaskLink(task,"tc-task-gantt-due","◆");
-			dueMarker.style.left = ((dayNumber(task.dueDate) - minimum) / step * DAY_WIDTH + DAY_WIDTH / 2) + "px";
-			dueMarker.title = "截止：" + task.due;
-			timeline.appendChild(dueMarker);
-		}
-		if(todayOffset >= 0 && todayOffset < units) {
-			var todayLine = self.createElement("span","tc-task-gantt-today-line");
-			todayLine.style.left = (todayOffset * DAY_WIDTH + DAY_WIDTH / 2) + "px";
-			timeline.appendChild(todayLine);
-		}
-		row.appendChild(label);
-		row.appendChild(timeline);
-		gantt.appendChild(row);
-	});
-
-	wrapper.appendChild(gantt);
-	this.containerNode.appendChild(wrapper);
-	this.renderUnscheduled(unscheduled,"未排期事情");
-};
-
-TaskBoardWidget.prototype.refresh = function(changedTiddlers) {
-	var changedAttributes = this.computeAttributes();
-	if(Object.keys(changedAttributes).length || Object.keys(changedTiddlers).length) {
-		this.refreshSelf();
-		return true;
-	}
-	return false;
-};
-
-exports["task-board"] = TaskBoardWidget;
-
-})();