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   1  /* $Id: calendar.js 38 2008-02-11 11:38:51Z pedroix $ $URL: https://web2project.svn.sourceforge.net/svnroot/web2project/trunk/js/calendar.js $ */

   2  var hourMSecs = 3600*1000;
   3  
   4  /**

   5  * no comment needed

   6  */
   7  function isInArray(myArray, intValue) {
   8  
   9      for (var i = 0, i_cmp = myArray.length; i < i_cmp; i++) {
  10          if (myArray[i] == intValue) {
  11              return true;
  12          }
  13      }        
  14      return false;
  15  }
  16  
  17  // This function gets called when the end-user clicks on some date.

  18  function selected(cal, date) {
  19  //    cal.sel.value = date; // just update the date in the input field.

  20  // Pedro A. : Lets pass the date in a Ymd format and let our formatDate function to the rest.

  21      cal.sel.value = (cal.date.print("%Y%m%d%H%M"));    
  22      setDate(cal.form, cal.sel.name);
  23    if (cal.dateClicked && (cal.sel.id == "ini_date" || cal.sel.id == "end_date"))
  24      // if we add this call we close the calendar on single-click.

  25      cal.callCloseHandler();
  26  }
  27  
  28  // And this gets called when the end-user clicks on the _selected_ date,

  29  // or clicks on the "Close" button.  It just hides the calendar without

  30  // destroying it.

  31  function closeHandler(cal) {
  32    cal.hide();                        // hide the calendar

  33  //  cal.destroy();

  34    _dynarch_popupCalendar = null;
  35  }
  36  
  37  // This function shows the calendar under the element having the given id.

  38  // It takes care of catching "mousedown" signals on document and hiding the

  39  // calendar if the click was outside.

  40  function showCalendar(id, format, form_name, showsTime, showsOtherMonths) {
  41    var el = document.getElementById(id);
  42    if (_dynarch_popupCalendar != null) {
  43      // we already have some calendar created

  44      _dynarch_popupCalendar.hide();                 // so we hide it first.

  45    } else {
  46      // first-time call, create the calendar.

  47      var cal = new Calendar(1, null, selected, closeHandler);
  48      // uncomment the following line to hide the week numbers

  49      // cal.weekNumbers = false;

  50      if (typeof showsTime == "string") {
  51        cal.showsTime = true;
  52        cal.time24 = (showsTime == "24");
  53      }
  54      if (showsOtherMonths) {
  55        cal.showsOtherMonths = true;
  56      }
  57      _dynarch_popupCalendar = cal;                  // remember it in the global var

  58      cal.setRange(1900, 2070);        // min/max year allowed.

  59      cal.create();
  60    }
  61    _dynarch_popupCalendar.setDateFormat(format);    // set the specified date format

  62    _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field

  63    _dynarch_popupCalendar.sel = el;                 // inform it what input field we use

  64    _dynarch_popupCalendar.form = form_name;         // inform it what form we use

  65  
  66    // the reference element that we pass to showAtElement is the button that

  67    // triggers the calendar.  In this example we align the calendar bottom-right

  68    // to the button.

  69    _dynarch_popupCalendar.showAtElement(el, "Bl");        // show the calendar

  70  
  71    return false;
  72  }
  73  
  74  var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
  75  var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
  76  function LZ(x) {
  77      return(x<0||x>9?"":"0")+x
  78  }
  79  
  80  function formatDate(date,format) {
  81        format=format+"";
  82        var result="";
  83        var i_format=0;
  84        var c="";
  85        var token="";
  86        var y=date.getYear()+"";
  87        var M=date.getMonth()+1;
  88        var d=date.getDate();
  89        var E=date.getDay();
  90        var H=date.getHours();
  91        var m=date.getMinutes();
  92        var s=date.getSeconds();
  93        var Y, yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
  94        var value=new Object();
  95        if(y.length < 4){
  96              y=""+(y-0+1900);
  97        }
  98        value["y"]=""+y;
  99        value["yyyy"]=y;
 100        value["Y"]=y;
 101        value["yy"]=y.substring(2,4);
 102        value["M"]=M;
 103        value["MM"]=LZ(M);
 104        value["MMM"]=MONTH_NAMES[M-1];
 105        value["NNN"]=MONTH_NAMES[M+11];
 106        value["b"]=MONTH_NAMES[M+11];
 107        value["d"]=d;
 108        value["dd"]=LZ(d);
 109        value["E"]=DAY_NAMES[E+7];
 110        value["EE"]=DAY_NAMES[E];
 111        value["H"]=H;
 112        value["HH"]=LZ(H);
 113        if(H==0) {
 114              value["h"]=12;
 115        } else if(H>12) {
 116              value["h"]=H-12;
 117        } else {
 118              value["h"]=H;
 119        }
 120        value["hh"]=LZ(value["h"]);
 121        if(H>11) {
 122              value["K"]=H-12;
 123        } else {
 124              value["K"]=H;
 125        }
 126        value["k"]=H+1;
 127        value["KK"]=LZ(value["K"]);
 128        value["kk"]=LZ(value["k"]);
 129        if(H > 11) {
 130              value["a"]="pm";
 131        } else {
 132              value["a"]="am";
 133        }
 134        value["m"]=m;
 135        value["mm"]=LZ(m);
 136        value["s"]=s;
 137        value["ss"]=LZ(s);
 138        while(i_format < format.length) {
 139              c=format.charAt(i_format);
 140              token="";
 141              while((format.charAt(i_format)==c) &&(i_format < format.length)) {
 142                    token += format.charAt(i_format++);
 143              }
 144              if(value[token] != null) {
 145                    result=result + value[token];
 146              } else {
 147                    result=result + token;
 148              }
 149        }
 150        return result;
 151  }
 152  
 153  // ------------------------------------------------------------------

 154  // Utility functions for parsing in getDateFromFormat()

 155  // ------------------------------------------------------------------

 156  function _isInteger(val) {
 157      var digits="1234567890";
 158      for (var i=0, i_cmp=val.length; i < i_cmp; i++) {
 159          if (digits.indexOf(val.charAt(i))==-1) { 
 160              return false; 
 161          }
 162      }
 163      return true;
 164  }
 165  function _getInt(str,i,minlength,maxlength) {
 166      for (var x=maxlength; x>=minlength; x--) {
 167          var token=str.substring(i,i+x);
 168          if (token.length < minlength) { 
 169              return null; 
 170          }
 171          if (_isInteger(token)) { 
 172              return token; 
 173          }
 174      }
 175      return null;
 176  }
 177  
 178  // ------------------------------------------------------------------

 179  // getDateFromFormat( date_string , format_string )

 180  //

 181  // This function takes a date string and a format string. It matches

 182  // If the date string matches the format string, it returns the 

 183  // getTime() of the date. If it does not match, it returns 0.

 184  // ------------------------------------------------------------------

 185  function getDateFromFormat(val,format) {
 186      val=val+"";
 187      format=format+"";
 188      var i_val=0;
 189      var i_format=0;
 190      var c="";
 191      var token="";
 192      var token2="";
 193      var x,y;
 194      var now=new Date();
 195      var year=now.getYear();
 196      var month=now.getMonth()+1;
 197      var date=1;
 198      var hh=now.getHours();
 199      var mm=now.getMinutes();
 200      var ss=now.getSeconds();
 201      var ampm="";
 202      
 203      while (i_format < format.length) {
 204          // Get next token from format string

 205          c=format.charAt(i_format);
 206          token="";
 207          while ((format.charAt(i_format)==c) && (i_format < format.length)) {
 208              token += format.charAt(i_format++);
 209          }
 210          // Extract contents of value based on format token

 211          if (token=="yyyy" || token=="yy" || token=="y" || token=="Y") {
 212              if (token=="Y") { x=4;y=4; }
 213              if (token=="yyyy") { x=4;y=4; }
 214              if (token=="yy")   { x=2;y=2; }
 215              if (token=="y")    { x=2;y=4; }
 216              year=_getInt(val,i_val,x,y);
 217              if (year==null) { return 0; }
 218              i_val += year.length;
 219              if (year.length==2) {
 220                  if (year > 70) { 
 221                      year=1900+(year-0); 
 222                  } else { 
 223                      year=2000+(year-0); 
 224                  }
 225              }
 226          } else if (token=="MMM"||token=="NNN") {
 227              month=0;
 228              for (var i=0, i_cmp=MONTH_NAMES.length; i<i_cmp; i++) {
 229                  var month_name=MONTH_NAMES[i];
 230                  if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
 231                      if (token=="MMM"||(token=="NNN"&&i>11)) {
 232                          month=i+1;
 233                          if (month>12) { 
 234                              month -= 12; 
 235                          }
 236                          i_val += month_name.length;
 237                          break;
 238                      }
 239                  }
 240              }
 241              if ((month < 1)||(month>12)) {
 242                  return 0;
 243              }
 244          } else if (token=="EE"||token=="E") {
 245              for (var i=0, i_cmp=DAY_NAMES.length; i<i_cmp; i++) {
 246                  var day_name=DAY_NAMES[i];
 247                  if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
 248                      i_val += day_name.length;
 249                      break;
 250                  }
 251              }
 252          } else if (token=="MM"||token=="M") {
 253              month=_getInt(val,i_val,token.length,2);
 254              if(month==null||(month<1)||(month>12)){
 255                  return 0;
 256              }
 257              i_val+=month.length;
 258          } else if (token=="dd"||token=="d") {
 259              date=_getInt(val,i_val,token.length,2);
 260              if(date==null||(date<1)||(date>31)) {
 261                  return 0;
 262              }
 263              i_val+=date.length;
 264          } else if (token=="hh"||token=="h") {
 265              hh=_getInt(val,i_val,token.length,2);
 266              if(hh==null||(hh<1)||(hh>12)) {
 267                  return 0;
 268              }
 269              i_val+=hh.length;
 270          } else if (token=="HH"||token=="H") {
 271              hh=_getInt(val,i_val,token.length,2);
 272              if(hh==null||(hh<0)||(hh>23)) {
 273                  return 0;
 274              }
 275              i_val+=hh.length;
 276          } else if (token=="KK"||token=="K") {
 277              hh=_getInt(val,i_val,token.length,2);
 278              if(hh==null||(hh<0)||(hh>11)) {
 279                  return 0;
 280              }
 281              i_val+=hh.length;
 282          } else if (token=="kk"||token=="k") {
 283              hh=_getInt(val,i_val,token.length,2);
 284              if(hh==null||(hh<1)||(hh>24)) {
 285                  return 0;
 286              }
 287              i_val+=hh.length;hh--;
 288          } else if (token=="mm"||token=="m") {
 289              mm=_getInt(val,i_val,token.length,2);
 290              if(mm==null||(mm<0)||(mm>59)){
 291                  return 0;
 292              }
 293              i_val+=mm.length;
 294          } else if (token=="ss"||token=="s") {
 295              ss=_getInt(val,i_val,token.length,2);
 296              if(ss==null||(ss<0)||(ss>59)){
 297                  return 0;
 298              }
 299              i_val+=ss.length;
 300          } else if (token=="a") {
 301              if (val.substring(i_val,i_val+2).toLowerCase()=="am") {ampm="am";}
 302              else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {ampm="pm";}
 303              else {return 0;}
 304              i_val+=2;
 305          } else {
 306              if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
 307              else {i_val+=token.length;}
 308          }
 309      }
 310      // If there are any trailing characters left in the value, it doesn't match

 311      if (i_val != val.length) { return 0; }
 312      // Is date valid for month?

 313      if (month==2) {
 314          // Check for leap year

 315          if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
 316              if (date > 29){ return 0; }
 317          } else { 
 318              if (date > 28) { return 0; } 
 319          }
 320      } if ((month==4)||(month==6)||(month==9)||(month==11)) {
 321          if (date > 30) { return 0; }
 322      }
 323      // Correct hours value

 324      if (hh<12 && ampm=="pm") { hh=hh-0+12; }
 325      else if (hh>11 && ampm=="am") { hh-=12; }
 326      var newdate=new Date(year,month-1,date,hh,mm,ss);
 327      return newdate.getTime();
 328  }