calendar.js

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var gdCtrl = new Object();
var goSelectTag = new Array();
var gcGray = "#808080";
var gcToggle = "#5555aa";
var gcBG = "#FFFFFF";
var gcFront = "#000000";
var previousObject = null;

var ddArguments=window.dialogArguments;
var minyear = dialogArguments[1];
var maxyear = dialogArguments[2];
var currentvalue = dialogArguments[0];

var gdCurDate = new Date();
if(isNaN(parseInt(minyear,10)))
{
  minyear=gdCurDate.getFullYear()-5;
}
else if(parseInt(minyear,10)<150)
{
  eval("minyear=gdCurDate.getFullYear()+("+minyear+")");
}

if(isNaN(parseInt(maxyear,10)))
{
    maxyear=gdCurDate.getFullYear()+5;
}
else if(parseInt(maxyear,10)<150)
{
  eval("maxyear=gdCurDate.getFullYear()+("+maxyear+")");
}
if(currentvalue!="")
  gdCurDate = new Date(currentvalue.substr(0,4),parseInt(currentvalue.substr(5,2),10)-1,currentvalue.substr(8,2));

if(isNaN(gdCurDate)||currentvalue=="")
{
    gdCurDate = new Date();
}

var giYear = gdCurDate.getFullYear();
var giMonth = gdCurDate.getMonth()+1;
var giDay = gdCurDate.getDate();


var gCalMode = "";
var gCalDefDate = "";

var CAL_MODE_NOBLANK = "2";


function fSetDate(iYear, iMonth, iDay)
{
    //VicPopCal.style.visibility = "hidden";
    if ((iYear == 0) && (iMonth == 0) && (iDay == 0))
    {
        gdCtrl.value = "";
    }
    else
    {
        iMonth = iMonth + 100 + "";
        iMonth = iMonth.substring(1);
        iDay   = iDay + 100 + "";
        iDay   = iDay.substring(1);
        gdCtrl.value = iYear+"-"+iMonth+"-"+iDay;
    }

    for (i in goSelectTag)
    {
        goSelectTag[i].style.visibility = "visible";
    }
    goSelectTag.length = 0;

    window.returnValue=gdCtrl.value;
    window.close();
}

function HiddenDiv()
{
    var i;
    VicPopCal.style.visibility = "hidden";

    for (i in goSelectTag)
    {
        goSelectTag[i].style.visibility = "visible";
    }

    goSelectTag.length = 0;
}

function fSetSelected(aCell)
{
    var iOffset = 0;
    var iYear = parseInt(tbSelYear.value,10);
    var iMonth = parseInt(tbSelMonth.value,10);

    aCell.bgColor = gcBG;
    with (aCell.children["cellText"])
    {
        var iDay = parseInt(innerText,10);
        if (color==gcGray)
        {
            iOffset = (Victor<10)?-1:1;
        }

        /*** below temp patch by maxiang ***/
        if( color == gcGray )
        {
            iOffset = (iDay < 15 )?1:-1;
        }
        /*** above temp patch by maxiang ***/

        iMonth += iOffset;
        if (iMonth<1)
        {
            iYear--;
            iMonth = 12;
        }
        else if (iMonth>12)
        {
            iYear++;
            iMonth = 1;
        }
    }
    fSetDate(iYear, iMonth, iDay);
}

function Point(iX, iY)
{
    this.x = iX;
    this.y = iY;
}

function fBuildCal(iYear, iMonth)
{
    var aMonth=new Array();

    for(i=1;i<7;i++)
    {
        aMonth[i]=new Array(i);
    }

    var dCalDate=new Date(iYear, iMonth-1, 1);
    var iDayOfFirst=dCalDate.getDay();
    var iDaysInMonth=new Date(iYear, iMonth, 0).getDate();
    var iOffsetLast=new Date(iYear, iMonth-1, 0).getDate()-iDayOfFirst+1;
    var iDate = 1;
    var iNext = 1;

    for (d = 0; d < 7; d++)
    {
        aMonth[1][d] = (d<iDayOfFirst)?-(iOffsetLast+d):iDate++;
    }

    for (w = 2; w < 7; w++)
    {
        for (d = 0; d < 7; d++)
        {
            aMonth[w][d] = (iDate<=iDaysInMonth)?iDate++:-(iNext++);
        }
    }
    return aMonth;
}

function fDrawCal(iYear, iMonth, iCellHeight, sDateTextSize)
{
    var WeekDay = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
    var styleTD = " bgcolor='"+gcBG+"' bordercolor='"+gcBG+"' valign='middle' align='center' height='"+iCellHeight+"' style='font-size:12px; ";

    with (document)
    {
        write("<tr>");
        write("<td height='2' colspan='7'></td>");
        write("</tr>");
        write("<tr>");
        for(i=0; i<7; i++)
        {
            write("<td "+styleTD+" color:#000000'>" + WeekDay[i] + "</td>");
        }
        write("</tr>");
        write("<tr>");
        write("<td height='1' bgcolor='#333333' colspan='7'></td>");
        write("</tr>");

        for (w = 1; w < 7; w++)
        {
            write("<tr>");
            for (d = 0; d < 7; d++)
            {
                write("<td id=calCell "+styleTD+"cursor:hand;' onMouseOver='this.bgColor=gcToggle' onMouseOut='this.bgColor=gcBG' onclick='fSetSelected(this)'>");
                write("<font id=cellText ><b> </b></font>");
                write("</td>")
            }
            write("</tr>");
        }
    }
}

function fUpdateCal(iYear, iMonth)
{
    myMonth = fBuildCal(iYear, iMonth);
    var i = 0;

    for (w = 0; w < 6; w++)
    {
        for (d = 0; d < 7; d++)
        {
            with (cellText[(7*w)+d])
            {
                Victor = i++;
                if (myMonth[w+1][d]<0)
                {
                    color = gcGray;
                    innerText = -myMonth[w+1][d];
                }
                else
                {
                    // Modified by maxiang for we need
                    // Saturday displayed in blue font color.
                    //color = ((d==0)||(d==6))?"red":"black";
                    if( d == 0 )
                    {
                        color = "red";
                    }
                    else if( d == 6 )
                    {
                        color = "blue";
                    }
                    else
                    {
                        color = "black";
                    }
                    // End of above maxiang
                    innerText = myMonth[w+1][d];
                }
            }
        }
    }
}

function fSetYearMon(iYear, iMon)
{
    tbSelMonth.options[iMon-1].selected = true;

    for (i = 0; i < tbSelYear.length; i++)
    {
        if (tbSelYear.options[i].value == iYear)
            tbSelYear.options[i].selected = true;
    }

    fUpdateCal(iYear, iMon);
}

function fPrevMonth()
{
    var iMon = tbSelMonth.value;
    var iYear = tbSelYear.value;

    if (--iMon<1)
    {
        iMon = 12;
        iYear--;
    }

    fSetYearMon(iYear, iMon);
}

function fNextMonth()
{
    var iMon = tbSelMonth.value;
    var iYear = tbSelYear.value;

    if (++iMon>12)
    {
        iMon = 1;
        iYear++;
    }

    fSetYearMon(iYear, iMon);
}

function fToggleTags()
{
    with (document.all.tags("SELECT"))
    {
        for (i=0; i<length; i++)
        {
            if ((item(i).Victor!="Won")&&fTagInBound(item(i)))
            {
                item(i).style.visibility = "hidden";
                goSelectTag[goSelectTag.length] = item(i);
            }
        }
    }
}

function fTagInBound(aTag)
{
    with (VicPopCal.style)
    {
        var l = parseInt(left,10);
        var t = parseInt(top,10);
        var r = l+parseInt(width,10);
        var b = t+parseInt(height,10);
        var ptLT = fGetXY(aTag);
        return !((ptLT.x>r)||(ptLT.x+aTag.offsetWidth<l)||(ptLT.y>b)||(ptLT.y+aTag.offsetHeight<t));
    }
}

function fGetXY(aTag)
{
    var oTmp = aTag;
    var pt = new Point(0,0);

    do
    {
        pt.x += oTmp.offsetLeft;
        pt.y += oTmp.offsetTop;
        oTmp = oTmp.offsetParent;
    }
    while(oTmp.tagName!="BODY");

    return pt;
}

// Main: popCtrl is the widget beyond which you want this calendar to appear;
//       dateCtrl is the widget into which you want to put the selected date.
// i.e.: <input type="text" name="dc" style="text-align:center" readonly><INPUT type="button" value="V" onclick="fPopCalendar(dc,dc);return false">
function fPopCalendar(popCtrl, dateCtrl, mode, defDate)
{
    gCalMode = mode;
    gCalDefDate = defDate;

    if (popCtrl == previousObject)
    {
        if (VicPopCal.style.visibility == "visible")
        {
            //HiddenDiv();
            return true;
        }
    }

    previousObject = popCtrl;
    gdCtrl = dateCtrl;
    fSetYearMon(giYear, giMonth);
    var point = fGetXY(popCtrl);

    if( gCalMode == CAL_MODE_NOBLANK )
    {
        document.all.CAL_B_BLANK.style.visibility = "hidden";
    }
    else
    {
        document.all.CAL_B_BLANK.style.visibility = "visible";
    }

    with (VicPopCal.style)
    {
        left = point.x;
        top  = point.y+popCtrl.offsetHeight;
        width = VicPopCal.offsetWidth;
        height = VicPopCal.offsetHeight;
        fToggleTags(point);
        visibility = 'visible';
    }
}

var gMonths = new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");

with (document)
{
    write("<Div id='VicPopCal' style='OVERFLOW:hidden;POSITION:absolute;VISIBILITY:hidden;border:2px ridge;width:100%;height:100%;top:0;left:0;z-index:100;overflow:hidden'>");
    write("<table border='0' bgcolor='#FFFFFF' cellspacing='0' cellpadding='0'>");
    write("<TR>");
    write("<td valign='middle' align='center'>");
    write("<table border='0' bgcolor='#000099' cellspacing='0' cellpadding='0' height='28'><tr><td width='40' align='center'><input type='button' name='PrevMonth' value='←' style='height:20;width:20;FONT:bold' onClick='fPrevMonth()'></td>");
    write("<td width='200' align='center'><SELECT name='tbSelYear' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won' class='input'>");

    for(i=minyear;i<=maxyear;i++)
    {
        write("<OPTION value='"+i+"'>"+i+"年</OPTION>");
    }

    write("</SELECT>&nbsp;");
    write("<select name='tbSelMonth' onChange='fUpdateCal(tbSelYear.value, tbSelMonth.value)' Victor='Won' class='input'>");

    for (i=0; i<12; i++)
    {
        write("<option value='"+(i+1)+"'>"+gMonths[i]+"</option>");
    }

    write("</SELECT>");
    write("</td><td width='40' align='center'><input type='button' name='PrevMonth' value='→' style='height:20;width:20;FONT:bold' onclick='fNextMonth()'></td></tr></table>");
    write("</td>");
    write("</TR><TR>");
    write("<td align='center'>");
    write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>");
    fDrawCal(giYear, giMonth, 8, '12');
    write("</table>");
    write("</td>");
    write("</TR><TR><TD align='center'>");
    write("<TABLE width='100%'><TR><TD align='center'>");
    write("<B ID=\"CAL_B_BLANK\" style='color:"+gcFront+"; visibility:visible; cursor:hand; font-size:12px' onclick='fSetDate(0,0,0)' onMouseOver='this.style.color=gcToggle' onMouseOut='this.style.color=gcFront'>清空</B>");
    write("</td><td algin='center'>");
    write("<B style='color:"+gcFront+";cursor:hand; font-size:12px' onclick='fSetDate(giYear,giMonth,giDay)' onMouseOver='this.style.color=gcToggle' onMouseOut='this.style.color=gcFront'>选择: <font color='#FF0000'>"+giYear+"年"+giMonth+"月"+giDay+"日</font></B>");
    write("</td></tr></table>");
    write("</TD></TR>");
    write("</TABLE></Div>");
}

function readCookie(name)
{
    var cookieValue = "";
    var search = name + "\n";
    if(document.cookie.length > 0)
    {
        offset = document.cookie.indexOf(search);
        if (offset != -1)
        {
            offset += search.length;
            end = document.cookie.indexOf("\n", offset);
            if (end == -1) end = document.cookie.length;
            cookieValue = unescape(document.cookie.substring(offset, end))
        }
    }
    return cookieValue;
}