📄 calendar.js
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};
/**
* 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.setDisabledHandler = function (unaryFunction) {
this.checkDisabled = 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;
delete el;
};
/**
* 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) {
if (!window.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.calendar.callCloseHandler();
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.calendar = this;
Calendar.addEvent(document, "keydown", Calendar._keyEvent);
Calendar.addEvent(document, "keypress", Calendar._keyEvent);
Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
}
this.showMonthsCombo();
this.hideShowCovered();
};
/**
* Hides the calendar. Also removes any "hilite" from the class of any TD
* element.
*/
Calendar.prototype.hide = function () {
if (this.isPopup) {
Calendar.removeEvent(document, "keydown", Calendar._keyEvent);
Calendar.removeEvent(document, "keypress", Calendar._keyEvent);
Calendar.removeEvent(document, "mousedown", Calendar._checkCalendar);
}
this.element.style.display = "none";
this.hidden = true;
this.hideShowCovered();
};
/**
* Shows the calendar at a given absolute position (beware that, depending on
* the calendar element style -- position property -- this might be relative
* to the parent's containing rectangle).
*/
Calendar.prototype.showAt = function (x, y) {
var s = this.element.style;
s.left = x + "px";
s.top = y + "px";
this.show();
};
/** Shows the calendar near a given element. */
Calendar.prototype.showAtElement = function (el,moveX) {
var p = Calendar.getAbsolutePos(el);
if(moveX ==null)
this.showAt(p.x, p.y + el.offsetHeight);
else
this.showAt(p.x - moveX, p.y + el.offsetHeight);
};
Calendar.prototype.showAtElementXY = function (el,moveX,moveY) {
var p = Calendar.getAbsolutePos(el);
if(moveX ==null)
this.showAt(p.x, p.y + el.offsetHeight);
else
this.showAt(p.x - moveX, p.y + el.offsetHeight - moveY);
};
/** Customizes the date format. */
Calendar.prototype.setDateFormat = function (str) {
this.dateFormat = str;
};
/** Customizes the tooltip date format. */
Calendar.prototype.setTtDateFormat = function (str) {
this.ttDateFormat = str;
};
/**
* Tries to identify the date represented in a string. If successful it also
* calls this.setDate which moves the calendar to the given date.
*/
Calendar.prototype.parseDate = function (str, fmt) {
var y = 0;
var m = -1;
var d = 0;
var a = str.split(/\W+/);
if (!fmt) {
fmt = this.dateFormat;
}
var b = fmt.split(/\W+/);
var i = 0, j = 0;
for (i = 0; i < a.length; ++i) {
if (b[i] == "D" || b[i] == "DD") {
continue;
}
if (b[i] == "d" || b[i] == "dd") {
d = parseInt(a[i]);
}
if (b[i] == "m" || b[i] == "mm") {
m = parseInt(a[i]) - 1;
}
if (b[i] == "y") {
y = parseInt(a[i]);
}
if (b[i] == "yy") {
y = parseInt(a[i]) + 1900;
}
if (b[i] == "M" || b[i] == "MM") {
for (j = 0; j < 12; ++j) {
if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
}
}
}
if (y != 0 && m != -1 && d != 0) {
this.setDate(new Date(y, m, d));
return;
}
y = 0; m = -1; d = 0;
for (i = 0; i < a.length; ++i) {
if (a[i].search(/[a-zA-Z]+/) != -1) {
var t = -1;
for (j = 0; j < 12; ++j) {
if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
}
if (t != -1) {
if (m != -1) {
d = m+1;
}
m = t;
}
} else if (parseInt(a[i]) <= 12 && m == -1) {
m = a[i]-1;
} else if (parseInt(a[i]) > 31 && y == 0) {
y = a[i];
} else if (d == 0) {
d = a[i];
}
}
if (y == 0) {
var today = new Date();
y = today.getFullYear();
}
if (m != -1 && d != 0) {
this.setDate(new Date(y, m, d));
}
else //2005-01-24 徐侠君添加
{
this.setDate(new Date());
}
};
Calendar.prototype.hideShowCovered = function () {
var tags = new Array("applet", "iframe", "select");
var el = this.element;
var p = Calendar.getAbsolutePos(el);
var EX1 = p.x;
var EX2 = el.offsetWidth + EX1;
var EY1 = p.y;
var EY2 = el.offsetHeight + EY1;
for (var k = tags.length; k > 0; ) {
var ar = document.getElementsByTagName(tags[--k]);
var cc = null;
for (var i = ar.length; i > 0;) {
cc = ar[--i];
p = Calendar.getAbsolutePos(cc);
var CX1 = p.x;
var CX2 = cc.offsetWidth + CX1;
var CY1 = p.y;
var CY2 = cc.offsetHeight + CY1;
if (this.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
cc.style.visibility = "visible";
} else {
cc.style.visibility = "hidden";
}
}
}
};
/** Internal function; it displays the bar with the names of the weekday. */
Calendar.prototype._displayWeekdays = function () {
var MON = this.mondayFirst ? 0 : 1;
var SUN = this.mondayFirst ? 6 : 0;
var SAT = this.mondayFirst ? 5 : 6;
var cell = this.firstdayname;
for (var i = 0; i < 7; ++i) {
cell.className = "day name";
if (!i) {
cell.ttip = this.mondayFirst ? Calendar._TT["SUN_FIRST"] : Calendar._TT["MON_FIRST"];
cell.navtype = 100;
cell.calendar = this;
Calendar._add_evs(cell);
}
if (i == SUN || i == SAT) {
Calendar.addClass(cell, "weekend");
}
cell.firstChild.data = Calendar._DN3[i + 1 - MON];
cell = cell.nextSibling;
}
};
/** Internal function. Hides all combo boxes that might be displayed. */
Calendar.prototype._hideCombos = function () {
this.monthsCombo.style.display = "none";
this.yearsCombo.style.display = "none";
};
/** Internal function. Starts dragging the element. */
Calendar.prototype._dragStart = function (ev) {
if (this.dragging) {
return;
}
this.dragging = true;
var posX;
var posY;
if (Calendar.is_ie) {
posY = window.event.clientY + document.body.scrollTop;
posX = window.event.clientX + document.body.scrollLeft;
} else {
posY = ev.clientY + window.scrollY;
posX = ev.clientX + window.scrollX;
}
var st = this.element.style;
this.xOffs = posX - parseInt(st.left);
this.yOffs = posY - parseInt(st.top);
with (Calendar) {
addEvent(document, "mousemove", calDragIt);
addEvent(document, "mouseover", stopEvent);
addEvent(document, "mouseup", calDragEnd);
}
};
// BEGIN: DATE OBJECT PATCHES
/** Adds the number of days array to the Date object. */
Date._MD = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
/** Constants used for time computations */
Date.SECOND = 1000 /* milliseconds */;
Date.MINUTE = 60 * Date.SECOND;
Date.HOUR = 60 * Date.MINUTE;
Date.DAY = 24 * Date.HOUR;
Date.WEEK = 7 * Date.DAY;
/** Returns the number of days in the current month */
Date.prototype.getMonthDays = function(month) {
var year = this.getFullYear();
if (typeof month == "undefined") {
month = this.getMonth();
}
if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
return 29;
} else {
return Date._MD[month];
}
};
/** Returns the number of the week. The algorithm was "stolen" from PPK's
* website, hope it's correct :) http://www.xs4all.nl/~ppk/js/week.html */
Date.prototype.getWeekNumber = function() {
var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
var then = new Date(this.getFullYear(), 0, 1, 0, 0, 0);
var time = now - then;
var day = then.getDay();
(day > 3) && (day -= 4) || (day += 3);
return Math.round(((time / Date.DAY) + day) / 7);
};
/** Checks dates equality (ignores time) */
Date.prototype.equalsTo = function(date) {
return ((this.getFullYear() == date.getFullYear()) &&
(this.getMonth() == date.getMonth()) &&
(this.getDate() == date.getDate()));
};
/** Prints the date in a string according to the given format. */
Date.prototype.print = function (frm) {
var str = new String(frm);
var m = this.getMonth();
var d = this.getDate();
var y = this.getFullYear();
var wn = this.getWeekNumber();
var w = this.getDay();
var s = new Array();
s["d"] = d;
s["dd"] = (d < 10) ? ("0" + d) : d;
s["m"] = 1+m;
s["mm"] = (m < 9) ? ("0" + (1+m)) : (1+m);
s["y"] = y;
s["yy"] = new String(y).substr(2, 2);
s["w"] = wn;
s["ww"] = (wn < 10) ? ("0" + wn) : wn;
with (Calendar) {
s["D"] = _DN3[w];
s["DD"] = _DN[w];
s["M"] = _MN3[m];
s["MM"] = _MN[m];
}
//alert(str);
var re = /(.*)(\W|^)(d|dd|m|mm|y|yy|MM|M|DD|D|w|ww)(\W|$)(.*)/;
while (re.exec(str) != null) {
//str = RegExp.$1 + RegExp.$2 + s[RegExp.$3] + RegExp.$4 + RegExp.$5;
str = RegExp.$1 + RegExp.$2 + s[RegExp.$3] + RegExp.$4 + RegExp.$5;
}
return str;
};
// END: DATE OBJECT PATCHES
// global object that remembers the calendar
window.calendar = null;
// 以下本地化中文2004.11.05
Calendar._DN = new Array
("周日",
"一",
"二",
"三",
"四",
"五",
"六",
"日");
Calendar._MN = new Array
("一月",
"二月",
"三月",
"四月",
"五月",
"六月",
"七月",
"八月",
"九月",
"十月",
"十一月",
"十二月");
// tooltips
Calendar._TT = {};
Calendar._TT["TOGGLE"] = "切换周首日";
Calendar._TT["PREV_YEAR"] = "选择上一年。按住菜单,下拉选择年份";
Calendar._TT["PREV_MONTH"] = "选择上一月。按住菜单,下拉选择月份";
Calendar._TT["GO_TODAY"] = "选择本日";
Calendar._TT["NEXT_MONTH"] = "选择下一月。按住菜单,下拉选择月份";
Calendar._TT["NEXT_YEAR"] = "选择下一年。按住菜单,下拉选择年份";
Calendar._TT["SEL_DATE"] = "选择日期";
Calendar._TT["DRAG_TO_MOVE"] = "拖曳";
Calendar._TT["PART_TODAY"] = " (本日)";
Calendar._TT["MON_FIRST"] = "以周一作为第一天";
Calendar._TT["SUN_FIRST"] = "以周日作为第一天";
Calendar._TT["CLOSE"] = "关闭";
Calendar._TT["TODAY"] = "选择本日";
// date formats
Calendar._TT["DEF_DATE_FORMAT"] = "y-mm-dd";
Calendar._TT["TT_DATE_FORMAT"] = "D, M d";
Calendar._TT["WK"] = "星期";
// 以上本地化中文2004.11.05
//以下全局调用函数2004.11.05
var calendar;
function selected(cal, date) {
cal.sel.value = date; // just update the date in the input field.
if (cal.sel.id == "sel1" || cal.sel.id == "sel3")
// if we add this call we close the calendar on single-click.
// just to exemplify both cases, we are using this only for the 1st
// and the 3rd field, while 2nd and 4th will still require double-click.
cal.callCloseHandler();
}
function showCalendar(id, format,moveX) {
var el = document.getElementById(id);
if (calendar != null) {
// we already have some calendar created
calendar.hide(); // so we hide it first.
} else {
// first-time call, create the calendar.
var cal = new Calendar(false, null, selected, closeHandler);
// uncomment the following line to hide the week numbers
// cal.weekNumbers = false;
calendar = cal; // remember it in the global var
cal.setRange(1900, 2070); // min/max year allowed.
cal.create();
}
calendar.setDateFormat(format); // set the specified date format
calendar.parseDate(el.value); // try to parse the text in field
calendar.sel = el; // inform it what input field we use
calendar.showAtElement(el,moveX);
return false;
}
function showCalendarXY(id, format,moveX,moveY) {
var el = document.getElementById(id);
if (calendar != null) {
// we already have some calendar created
calendar.hide(); // so we hide it first.
} else {
// first-time call, create the calendar.
var cal = new Calendar(false, null, selected, closeHandler);
// uncomment the following line to hide the week numbers
// cal.weekNumbers = false;
calendar = cal; // remember it in the global var
cal.setRange(1900, 2070); // min/max year allowed.
cal.create();
}
calendar.setDateFormat(format); // set the specified date format
calendar.parseDate(el.value); // try to parse the text in field
calendar.sel = el; // inform it what input field we use
calendar.showAtElementXY(el,moveX,moveY);
return false;
}
function closeHandler(cal) {
cal.hide(); // hide the calendar
}
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