calendar.js

一个用javaScript 写的强大的日历控件

		text.innerHTML = ":";
		text.className = "colon";
		var M = makeTimePart("minute", mins, 0, 59);	
		var text = Calendar.createElement("span", cell);	
		text.innerHTML = ":";
		text.className = "colon";
		var S = makeTimePart("second", secs, 0, 59);
		var text = Calendar.createElement("span", cell);
		var AP = null;
		cell = Calendar.createElement("td", row);
		cell.className = "time";
		cell.colSpan = 2;
		if (t12)
			AP = makeTimePart("ampm", pm ? "pm" : "am", ["am", "pm"]);
		else
			cell.innerHTML = " ";
		cal.onSetTime = function() {
			var pm, hrs = this.date.getHours(),
					mins = this.date.getMinutes(),
					secs = this.date.getSeconds();
		if (t12) {
			pm = (hrs >= 12);
			if (pm) hrs -= 12;
			if (hrs == 0) hrs = 12;
			AP.innerHTML = pm ? "pm" : "am";
		}
		H.innerHTML = (hrs < 10) ? ("0" + hrs) : hrs;
		M.innerHTML = (mins < 10) ? ("0" + mins) : mins;
		S.innerHTML = (secs < 10) ? ("0" + secs) : secs;
		};

		cal.onUpdateTime = function() {
			var date = this.date;
			if (t12) {
				if (/pm/i.test(AP.innerHTML) && h < 12)
					h += 12;
				else if (/am/i.test(AP.innerHTML) && h == 12)
					h = 0;
			}
			var d = date.getDate();
			var m = date.getMonth();
			var y = date.getFullYear();
			date.setHours(parseInt(H.innerHTML, 10));
			date.setMinutes(parseInt(M.innerHTML, 10));
			date.setSeconds(parseInt(S.innerHTML, 10))
			date.setFullYear(y);
			date.setMonth(m);
			date.setDate(d);
			this.dateClicked = false;
			this.callHandler();
		};
		})();
	} else {
		this.onSetTime = this.onUpdateTime = function() {};
	}
	var tfoot = Calendar.createElement("tfoot", table);

	row = Calendar.createElement("tr", tfoot);
	row.className = "footrow";

	cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 1000);
	cell.className = "ttip";
	if (this.isPopup) {
		cell.ttip = Calendar._TT["DRAG_TO_MOVE"];
		cell.style.cursor = "move";
	}
	this.tooltips = cell;

	div = Calendar.createElement("div", this.element);
	this.monthsCombo = div;
	div.className = "combo";
	for (i = 0; i < Calendar._MN.length; ++i) {
		var mn = Calendar.createElement("div");//创建月份div
		mn.className = Calendar.is_ie ? "label-IEfix" : "label";
		mn.month = i;
		mn.innerHTML = Calendar._SMN[i];
		div.appendChild(mn);
	}

	div = Calendar.createElement("div", this.element);
	this.yearsCombo = div;
	div.className = "combo";
	for(i = 0; i<12;  ++i) {
		var yr = Calendar.createElement("div");//创建年份div
		yr.className = Calendar.is_ie ? "label-IEfix" : "label";
		div.appendChild(yr);
	}
	this._init(this.firstDayOfWeek, this.date);
	parent.appendChild(this.element);
};

/** keyboard navigation, only for popup calendars */
Calendar._keyEvent = function(ev) {
	var cal = window._dynarch_popupCalendar;
	if (!cal || cal.multiple)
		return false;
	(Calendar.is_ie) && (ev = window.event);
	var act = (Calendar.is_ie || ev.type == "keypress"),
		K = ev.keyCode;
	if (ev.ctrlKey) {
		switch (K) {
		    case 37: // KEY left
			act && Calendar.cellClick(cal._nav_pm);
			break;
		    case 38: // KEY up
			act && Calendar.cellClick(cal._nav_py);
			break;
		    case 39: // KEY right
			act && Calendar.cellClick(cal._nav_nm);
			break;
		    case 40: // KEY down
			act && Calendar.cellClick(cal._nav_ny);
			break;
		    default:
			return false;
		}
	} else switch (K) {
	    case 32: // KEY space (now)
		Calendar.cellClick(cal._nav_now);
		break;
	    case 27: // KEY esc
		act && cal.callCloseHandler();
		break;
	    case 37: // KEY left
	    case 38: // KEY up
	    case 39: // KEY right
	    case 40: // KEY down
		if (act) {
			var prev, x, y, ne, el, step;
			prev = K == 37 || K == 38;
			step = (K == 37 || K == 39) ? 1 : 7;
			function setVars() {
				el = cal.currentDateEl;
				var p = el.pos;
				x = p & 15;
				y = p >> 4;
				ne = cal.ar_days[y][x];
			};setVars();
			function prevMonth() {
				var date = new Date(cal.date);
				date.setDate(date.getDate() - step);
				cal.setDate(date);
			};
			function nextMonth() {
				var date = new Date(cal.date);
				date.setDate(date.getDate() + step);
				cal.setDate(date);
			};
			while (1) {
				switch (K) {
				    case 37: // KEY left
					if (--x >= 0)
						ne = cal.ar_days[y][x];
					else {
						x = 6;
						K = 38;
						continue;
					}
					break;
				    case 38: // KEY up
					if (--y >= 0)
						ne = cal.ar_days[y][x];
					else {
						prevMonth();
						setVars();
					}
					break;
				    case 39: // KEY right
					if (++x < 7)
						ne = cal.ar_days[y][x];
					else {
						x = 0;
						K = 40;
						continue;
					}
					break;
				    case 40: // KEY down
					if (++y < cal.ar_days.length)
						ne = cal.ar_days[y][x];
					else {
						nextMonth();
						setVars();
					}
					break;
				}
				break;
			}
			if (ne) {
				if (!ne.disabled)
					Calendar.cellClick(ne);
				else if (prev)
					prevMonth();
				else
					nextMonth();
			}
		}
		break;
	    case 13: // KEY enter
		if (act)
			Calendar.cellClick(cal.currentDateEl, ev);
		break;
	    default:
		return false;
	}
	return Calendar.stopEvent(ev);
};

/**
 * 初始化日历
 */
Calendar.prototype._init = function (firstDayOfWeek, date) {
	var today = new Date(),
		TY = today.getFullYear(),
		TM = today.getMonth(),
		TD = today.getDate();
	this.table.style.visibility = "hidden";
	var year = date.getFullYear();
	if (year < this.minYear) {
		year = this.minYear;
		date.setFullYear(year);
	} else if (year > this.maxYear) {
		year = this.maxYear;
		date.setFullYear(year);
	}
	this.firstDayOfWeek = firstDayOfWeek;
	this.date = new Date(date);
	var month = date.getMonth();
	var mday = date.getDate();
	var no_days = date.getMonthDays();
	date.setDate(1);
	var day1 = (date.getDay() - this.firstDayOfWeek) % 7;
	if (day1 < 0)
		day1 += 7;
	date.setDate(-day1);
	date.setDate(date.getDate() + 1);
	var row = this.tbody.firstChild;
	var MN = Calendar._SMN[month];
	var ar_days = this.ar_days = new Array();
	var weekend = Calendar._TT["WEEKEND"];
	var dates = this.multiple ? (this.datesCells = {}) : null;
	for (var i = 0; i < 6; ++i, row = row.nextSibling) {
		var cell = row.firstChild;
		if (this.weekNumbers) {
			cell.className = "day wn";
			cell.innerHTML = date.getWeekNumber();
			cell = cell.nextSibling;
		}
		row.className = "daysrow";
		var hasdays = false, iday, dpos = ar_days[i] = [];
		for (var j = 0; j < 7; ++j, cell = cell.nextSibling, date.setDate(iday + 1)) {
			iday = date.getDate();
			var wday = date.getDay();
			cell.className = "day";
			cell.pos = i << 4 | j;
			dpos[j] = cell;
			var current_month = (date.getMonth() == month);
			if (!current_month) {
				if (this.showsOtherMonths) {
					cell.className += " othermonth";
					cell.otherMonth = true;
				} else {
					cell.className = "emptycell";
					cell.innerHTML = "&nbsp;";
					cell.disabled = true;
					continue;
				}
			} else {
				cell.otherMonth = false;
				hasdays = true;
			}
			cell.disabled = false;
			cell.innerHTML = this.getDateText ? this.getDateText(date, iday) : iday;
			if (dates)
				dates[date.print("%Y%m%d")] = cell;
			if (this.getDateStatus) {
				var status = this.getDateStatus(date, year, month, iday);
				if (this.getDateToolTip) {
					var toolTip = this.getDateToolTip(date, year, month, iday);
					if (toolTip)
						{
							cell.show_month = toolTip;
							cell.show_year = toolTip;
						}
				}
				if (status === true) {
					cell.className += " disabled";
					cell.disabled = true;
				} else {
					if (/disabled/i.test(status))
						cell.disabled = true;
					cell.className += " " + status;
				}
			}
			if (!cell.disabled) {
				cell.caldate = new Date(date);
				cell.ttip = "_";
				if (!this.multiple && current_month
				    && iday == mday && this.hiliteToday) {
					cell.className += " selected";
					this.currentDateEl = cell;
				}
				if (date.getFullYear() == TY &&
				    date.getMonth() == TM &&
				    iday == TD) {
					cell.className += " today";
					cell.ttip += Calendar._TT["PART_TODAY"];
				}
				if (weekend.indexOf(wday.toString()) != -1)
					cell.className += cell.otherMonth ? " oweekend" : " weekend";
			}
		}
		if (!(hasdays || this.showsOtherMonths))
			row.className = "emptyrow";
	}
	this.show_month.innerHTML = Calendar._MN[month];//在标题上显示月份
	this.show_year.innerHTML = year;
	this.onSetTime();
	this.table.style.visibility = "visible";
	this._initMultipleDates();
};

Calendar.prototype._initMultipleDates = function() {
	if (this.multiple) {
		for (var i in this.multiple) {
			var cell = this.datesCells[i];
			var d = this.multiple[i];
			if (!d)
				continue;
			if (cell)
				cell.className += " selected";
		}
	}
};

Calendar.prototype._toggleMultipleDate = function(date) {
	if (this.multiple) {
		var ds = date.print("%Y%m%d");
		var cell = this.datesCells[ds];
		if (cell) {
			var d = this.multiple[ds];
			if (!d) {
				Calendar.addClass(cell, "selected");
				this.multiple[ds] = date;
			} else {
				Calendar.removeClass(cell, "selected");
				delete this.multiple[ds];
			}
		}
	}
};

Calendar.prototype.setDateToolTipHandler = function (unaryFunction) {
	this.getDateToolTip = unaryFunction;
};

/**
 *  Calls _init function above for going to a certain date (but only if the
 *  date is different than the currently selected one).
 */
Calendar.prototype.setDate = function (date) {
	if (!date.equalsTo(this.date)) {
		this._init(this.firstDayOfWeek, date);
	}
};

/**
 *  Refreshes the calendar.  Useful if the "disabledHandler" function is
 *  dynamic, meaning that the list of disabled date can change at runtime.
 *  Just * call this function if you think that the list of disabled dates
 *  should * change.
 */
Calendar.prototype.refresh = function () {
	this._init(this.firstDayOfWeek, this.date);
};

/** Modifies the "firstDayOfWeek" parameter (pass 0 for Synday, 1 for Monday, etc.). */
Calendar.prototype.setFirstDayOfWeek = function (firstDayOfWeek) {
	this._init(firstDayOfWeek, this.date);
	this._displayWeekdays();
};

/**
 *  Allows customization of what dates are enabled.  The "unaryFunction"
 *  parameter must be a function object that receives the date (as a JS Date
 *  object) and returns a boolean value.  If the returned value is true then
 *  the passed date will be marked as disabled.
 */
Calendar.prototype.setDateStatusHandler = Calendar.prototype.setDisabledHandler = function (unaryFunction) {
	this.getDateStatus = unaryFunction;
};

/** Customization of allowed year range for the calendar. */
Calendar.prototype.setRange = function (a, z) {
	this.minYear = a;
	this.maxYear = z;
};

/** Calls the first user handler (selectedHandler). */
Calendar.prototype.callHandler = function () {
	if (this.onSelected) {
		this.onSelected(this, this.date.print(this.dateFormat));
	}
};

/** Calls the second user handler (closeHandler). */
Calendar.prototype.callCloseHandler = function () {
	if (this.onClose) {
		this.onClose(this);
	}
	this.hideShowCovered();
};

/** Removes the calendar object from the DOM tree and destroys it. */
Calendar.prototype.destroy = function () {
	var el = this.element.parentNode;
	el.removeChild(this.element);
	Calendar._C = null;
	window._dynarch_popupCalendar = null;
};

/**
 *  Moves the calendar element to a different section in the DOM tree (changes
 *  its parent).
 */
Calendar.prototype.reparent = function (new_parent) {
	var el = this.element;
	el.parentNode.removeChild(el);
	new_parent.appendChild(el);
};

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown.  If the click was outside the open
// calendar this function closes it.
Calendar._checkCalendar = function(ev) {
	var calendar = window._dynarch_popupCalendar;
	if (!calendar) {
		return false;
	}
	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
	for (; el != null && el != calendar.element; el = el.parentNode);
	if (el == null) {
		// calls closeHandler which should hide the calendar.
		window._dynarch_popupCalendar.callCloseHandler();
		return Calendar.stopEvent(ev);
	}
};

/** Shows the calendar. */
Calendar.prototype.show = function () {
	var rows = this.table.getElementsByTagName("tr");
	for (var i = rows.length; i > 0;) {
		var row = rows[--i];
		Calendar.removeClass(row, "rowhilite");
		var cells = row.getElementsByTagName("td");
		for (var j = cells.length; j > 0;) {
			var cell = cells[--j];
			Calendar.removeClass(cell, "hilite");
			Calendar.removeClass(cell, "active");
		}
	}
	this.element.style.display = "block";
	this.hidden = false;
	if (this.isPopup) {
		window._dynarch_popupCalendar = this;
		Calendar.addEvent(document, "keydown", Calendar._keyEvent);
		Calendar.addEvent(document, "keypress", Calendar._keyEvent);
		Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
	}
	this.hideShowCovered();
};