calendarmws.js

实现图书的借阅和管理信息化

	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Sun</td>');
	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Mon</td>');
	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Tue</td>');
	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Wed</td>');
	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Thu</td>');
	vCode += ('<td width="14%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Fri</td>');
	vCode += ('<td width="16%" style="font-family:' + fontface + ';color:'
		+this.gHeaderColor + ';font-weight:bold;">Sat</td>');
	vCode += '</tr>';
	return vCode;
}

Calendar.prototype.cal_data = function() {
	var vDate = new Date();
	vDate.setDate(1);
	vDate.setMonth(this.gMonth);
	vDate.setFullYear(this.gYear);

	var vNowDay = gNow.getDate();
	var vNowMonth = gNow.getMonth();
	var vNowYear = gNow.getFullYear();

	var yOK=!ggInactive||vNowYear<=vDate.getFullYear()?1:0;
	var mOK=!ggInactive||vNowYear<vDate.getFullYear()||
	 (vNowYear==vDate.getFullYear()&&vNowMonth<=vDate.getMonth())?1:0;
	var ymOK=yOK&&mOK?1:0;
	var dOK=!ggInactive||vNowYear<vDate.getFullYear()||vNowMonth<vDate.getMonth()?1:0;

	var vFirstDay=vDate.getDay();
	var vDay=1;
	var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);
	var vOnLastDay=0;
	var vCode = '<tr>';
        var i,j,k,m;
	var orig = eval("document." + this.gReturnItem + ".value").toString();
	/*
	Get day for the 1st of the requested month/year..
	Place as many blank cells before the 1st day of the month as necessary. 
	*/
	for (i=0; i<vFirstDay; i++) { vCode +=
		('<td width="14%"' + this.write_weekend_string(i)
		+'style="font-family:\'' + fontface + '\';text-align:center;">&nbsp;</td>');
	}

	// Write rest of the 1st week
	for (j=vFirstDay; j<7; j++) { vCode +=
		('<td width="14%"' + this.write_weekend_string(j) +'style="font-family:\''
		+ fontface + '\';text-align:center;">'
		+((ymOK)&&(vDay>=vNowDay||dOK)?'<a href="javascript:void(0);" '
		+'title="set date to ' + this.format_data(vDay) + '" '
		+'onmouseover="window.status=\'set date to ' + this.format_data(vDay) + '\'; '
		+'return true;" '
		+'onmouseout="window.status=\'\'; return true;" '
		+'onclick="document.' + this.gReturnItem + '.value=\'' + this.format_data(vDay)
		+'\';ggPosX= -1;ggPosY= -1;' + OLfnRef + 'cClick();'
		+'if((ggOnChange)&&(document.' + this.gReturnItem + '.value!=\'' + orig
		+'\'))ggOnChange();">':'')
		+ this.format_day(vDay)
		+((ymOK)&&(vDay>=vNowDay||dOK)?'</a>':'')
		+'</td>');
		vDay += 1;
	}
	vCode += '</tr>';

	// Write the rest of the weeks
	for (k=2; k<7; k++) {
		vCode += '<tr>';
		for (j=0; j<7; j++) { vCode +=
			('<td width="14%"' + this.write_weekend_string(j)
			+'style="font-family:\'' + fontface + '\';text-align:center;">'
			+((ymOK)&&(vDay>=vNowDay||dOK)?'<a '
			+'href="javascript:void(0);" '
			+'title="set date to ' + this.format_data(vDay) + '" '
			+'onmouseover="window.status=\'set date to ' + this.format_data(vDay)
			+'\'; return true;" '
			+'onmouseout="window.status=\'\'; return true;" '
			+'onclick="document.' + this.gReturnItem + '.value=\''
			+ this.format_data(vDay) + '\';ggPosX= -1;ggPosY= -1;'
			+ OLfnRef + 'cClick();'
			+'if((ggOnChange)&&(document.' + this.gReturnItem + '.value!=\''
			+orig + '\'))ggOnChange();">':'')
			+ this.format_day(vDay)
			+((ymOK)&&(vDay>=vNowDay||dOK)?'</a>':'')
			+'</td>');
			vDay += 1;
			if (vDay > vLastDay) {
				vOnLastDay = 1;
				break;
			}
		}
		if (j == 6) vCode += '</tr>';
		if (vOnLastDay == 1) break;
	}
	
	// Fill up the rest of last week with proper blanks, so that we get proper square blocks
	for (m=1; m<(7-j); m++) { vCode +=
		('<td width="14%"' + this.write_weekend_string(j+m) + 'style="font-family:\''
		+ fontface + '\';color:gray;text-align:center;">&nbsp;</td>');
	}
	return vCode;
}

Calendar.prototype.format_day = function(vday) {
	var vNowDay = gNow.getDate();
	var vNowMonth = gNow.getMonth();
	var vNowYear = gNow.getFullYear();

	if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
		return ('<span style="color:red;font-weight:bold;">' + vday + '</span>');
	else
		return (vday);
}

Calendar.prototype.write_weekend_string = function(vday) {
	var i;

	// Return special formatting for the weekend day.
	for (i=0; i<weekend.length; i++) {
		if (vday == weekend[i])
			return (' bgcolor="' + weekendColor + '"');
	}
	
	return "";
}

Calendar.prototype.format_data = function(p_day) {
	var vData;
	var vMonth = 1 + this.gMonth;
	vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
	var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();
	var vFMon = Calendar.get_month(this.gMonth).toUpperCase();
	var vY4 = new String(this.gYear);
	var vY2 = new String(this.gYear.substr(2,2));
	var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

	switch (this.gFormat) {
		case "MM\/DD\/YYYY" :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
			break;
		case "MM\/DD\/YY" :
			vData = vMonth + "\/" + vDD + "\/" + vY2;
			break;
		case "MM-DD-YYYY" :
			vData = vMonth + "-" + vDD + "-" + vY4;
			break;
		case "YYYY-MM-DD" :
			vData = vY4 + "-" + vMonth + "-" + vDD;
			break;
		case "MM-DD-YY" :
			vData = vMonth + "-" + vDD + "-" + vY2;
			break;
		case "DD\/MON\/YYYY" :
			vData = vDD + "\/" + vMon + "\/" + vY4;
			break;
		case "DD\/MON\/YY" :
			vData = vDD + "\/" + vMon + "\/" + vY2;
			break;
		case "DD-MON-YYYY" :
			vData = vDD + "-" + vMon + "-" + vY4;
			break;
		case "DD-MON-YY" :
			vData = vDD + "-" + vMon + "-" + vY2;
			break;
		case "DD\/MONTH\/YYYY" :
			vData = vDD + "\/" + vFMon + "\/" + vY4;
			break;
		case "DD\/MONTH\/YY" :
			vData = vDD + "\/" + vFMon + "\/" + vY2;
			break;
		case "DD-MONTH-YYYY" :
			vData = vDD + "-" + vFMon + "-" + vY4;
			break;
		case "DD-MONTH-YY" :
			vData = vDD + "-" + vFMon + "-" + vY2;
			break;
		case "DD\/MM\/YYYY" :
			vData = vDD + "\/" + vMonth + "\/" + vY4;
			break;
		case "DD\/MM\/YY" :
			vData = vDD + "\/" + vMonth + "\/" + vY2;
			break;
		case "DD-MM-YYYY" :
			vData = vDD + "-" + vMonth + "-" + vY4;
			break;
		case "DD-MM-YY" :
			vData = vDD + "-" + vMonth + "-" + vY2;
			break;
		case "DD.MM.YYYY" :
			vData = vDD + "." + vMonth + "." + vY4;
			break;
		case "DD.MM.YY" :
			vData = vDD + "." + vMonth + "." + vY2;
			break;
		default :
			vData = vMonth + "\/" + vDD + "\/" + vY4;
	}

	return vData;
}

function Build(p_item, p_month, p_year, p_format) {
	var gCal = new Calendar(p_item, p_month, p_year, p_format);

	// Customize your Calendar here..
	gCal.gBGColor="white";
	gCal.gLinkColor="black";
	gCal.gTextColor="black";
	gCal.gHeaderColor="darkgreen";

	// initialize the content string
	ggWinContent = "";

	// Check for DRAGGABLE support
	if (typeof ol_draggable == 'undefined') DRAGGABLE = DONOTHING;

	// Choose appropriate show function
	if (gCal.gYearly) {
		// Note: you can set ggPosX and ggPosY as part of the onclick javascript
		// code before you call the show_yearly_calendar function:
		//	onclick="ggPosX=20;ggPosY=5;show_yearly_calendar(...);"
                if (OLns6) {
			if (ggPosX == -1) ggPosX = 20;
			if (ggPosY == -1) ggPosY = 10;
		}
		if (fontsize == 8) fontsize = 6;
		// generate the calendar
		gCal.showY();
	} else {
		if (fontsize == 6) fontsize = 8;
		gCal.show();
	}

	// Clear any previous EXCLUSIVE setting
	o3_exclusive=0;
	// If X and Y positions are not specified use MIDX and RELY
	if (ggPosX == -1 && ggPosY == -1) {
		overlib(ggWinContent, AUTOSTATUSCAP, STICKY, EXCLUSIVE, DRAGGABLE,
		 CLOSECLICK, TEXTSIZE,'8pt', CAPTIONSIZE,'8pt', CLOSESIZE,'8pt',
		 CAPTION,'Select a date', MIDX,0, RELY,10);
        // Otherwise use FIXX and FIXY
	} else {
		// Make sure popup is on screen
		var X = ((ggPosX < 10)?0:ggPosX - 10), Y = ((ggPosY < 10)?0:ggPosY - 10);
		window.scroll(X, Y);
		// Put up the calendar
		overlib(ggWinContent, AUTOSTATUSCAP, STICKY, EXCLUSIVE, DRAGGABLE,
		 CLOSECLICK, TEXTSIZE,'8pt', CAPTIONSIZE,'8pt', CLOSESIZE,'8pt',
		 CAPTION,'Select a date', FIXX,ggPosX, FIXY,ggPosY);
		// Reset the position variables
		ggPosX = -1; ggPosY = -1;
	}
}

function show_calendar() {
	var p_item	// Return Item.
	var p_month	// 0-11 for Jan-Dec; 12 for All Months.
	var p_year	// 4-digit year
	var p_format	// Date format (YYYY-MM-DD, DD/MM/YYYY, ...)
	fontsize = 8;

	p_item = arguments[0];
	if (arguments[1] == "" || arguments[1] == null || arguments[1] == '12')
		p_month = new String(gNow.getMonth());
	else
		p_month = arguments[1];
	if (arguments[2] == "" || arguments[2] == null)
		p_year = new String(gNow.getFullYear().toString());
	else
		p_year = arguments[2];
	if (arguments[3] == "" || arguments[3] == null)
		p_format = "YYYY-MM-DD";
	else
		p_format = arguments[3];

	if (OLns4) return overlib('Sorry, your browser does not support this feature. '
	 +'Manually enter<br>' + p_format,
	 FGCOLOR,'#ffffcc', TEXTSIZE,2, STICKY, NOCLOSE, OFFSETX,-10, OFFSETY,-10,
	 WIDTH,110, BASE,2);

	Build(p_item, p_month, p_year, p_format);
}

function show_yearly_calendar() {
	var p_item	// Return Item.
	var p_year	// 4-digit year
	var p_format	// Date format (YYYY-MM-DD, DD/MM/YYYY, ...)

	p_item = arguments[0];
	if (arguments[1] == "" || arguments[1] == null)
		p_year = new String(gNow.getFullYear().toString());
	else
		p_year = arguments[1];
	if (arguments[2] == "" || arguments[2] == null)
		p_format = "YYYY-MM-DD";
	else
		p_format = arguments[2];

	if (OLns4) return overlib('Sorry, your browser does not support this feature. '
	 +'Manually enter<br>' + p_format,
	 FGCOLOR,'#ffffcc', TEXTSIZE,2, STICKY, NOCLOSE, OFFSETX,-10, OFFSETY,-10,
	 WIDTH,110, BASE,2);

	Build(p_item, null, p_year, p_format);
}