js/tbl_change.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  * function used in table data manipulation pages
   4  *
   5  * @version $Id$
   6  */
   7
   8 /**
   9  * Modify from controls when the "NULL" checkbox is selected
  10  *
  11  * @param   string   the MySQL field type
  12  * @param   string   the urlencoded field name - OBSOLETE
  13  * @param   string   the md5 hashed field name
  14  * @param   string   the multi_edit row sequence number
  15  *
  16  * @return  boolean  always true
  17  */
  18 function nullify(theType, urlField, md5Field, multi_edit)
  19 {
  20     var rowForm = document.forms['insertForm'];
  21
  22     if (typeof(rowForm.elements['funcs' + multi_edit + '[' + md5Field + ']']) != 'undefined') {
  23         rowForm.elements['funcs' + multi_edit + '[' + md5Field + ']'].selectedIndex = -1;
  24     }
  25
  26     // "SET" field , "ENUM" field with more than 20 characters
  27     // or foreign key field (drop-down)
  28     if (theType == 1 || theType == 3 || theType == 4) {
  29         rowForm.elements['field_' + md5Field + multi_edit + '[]'].selectedIndex = -1;
  30     }
  31     // Other "ENUM" field
  32     else if (theType == 2) {
  33         var elts     = rowForm.elements['field_' + md5Field + multi_edit + '[]'];
  34         // when there is just one option in ENUM:
  35         if (elts.checked) {
  36             elts.checked = false;
  37         } else {
  38             var elts_cnt = elts.length;
  39             for (var i = 0; i < elts_cnt; i++ ) {
  40                 elts[i].checked = false;
  41             } // end for
  42
  43         } // end if
  44     }
  45     // foreign key field (with browsing icon for foreign values)
  46     else if (theType == 6) {
  47         rowForm.elements['field_' + md5Field + multi_edit + '[]'].value = '';
  48     }
  49     // Other field types
  50     else /*if (theType == 5)*/ {
  51         rowForm.elements['fields' + multi_edit + '[' + md5Field + ']'].value = '';
  52     } // end if... else if... else
  53
  54     return true;
  55 } // end of the 'nullify()' function
  56
  57
  58 /**
  59  * javascript DateTime format validation.
  60  * its used to prevent adding default (0000-00-00 00:00:00) to database when user enter wrong values
  61  * Start of validation part
  62  */
  63 //function checks the number of days in febuary
  64 function daysInFebruary (year){
  65     return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
  66 }
  67 //function to convert single digit to double digit
  68 function fractionReplace(num)
  69 {
  70     num=parseInt(num);
  71     var res="00";
  72     switch(num)
  73     {
  74         case 1:res= "01";break;
  75         case 2:res= "02";break;
  76         case 3:res= "03";break;
  77         case 4:res= "04";break;
  78         case 5:res= "05";break;
  79         case 6:res= "06";break;
  80         case 7:res= "07";break;
  81         case 8:res= "08";break;
  82         case 9:res= "09";break;
  83         }
  84     return res;
  85 }
  86
  87 /* function to check the validity of date
  88 * The following patterns are accepted in this validation (accepted in mysql as well)
  89 * 1) 2001-12-23
  90 * 2) 2001-1-2
  91 * 3) 02-12-23
  92 * 4) And instead of using '-' the following punctuations can be used (+,.,*,^,@,/) All these are accepted by mysql as well. Therefore no issues
  93 */
  94 function isDate(val,tmstmp)
  95 {
  96     val=val.replace(/[.|*|^|+|//|@]/g,'-');
  97     var arrayVal=val.split("-");
  98     for(var a=0;a<arrayVal.length;a++)
  99     {
 100         if(arrayVal[a].length==1)
 101             arrayVal[a]=fractionReplace(arrayVal[a]);
 102     }
 103     val=arrayVal.join("-");
 104     var pos=2;
 105             dtexp=new RegExp(/^([0-9]{4})-(((01|03|05|07|08|10|12)-((0[0-9])|([1-2][0-9])|(3[0-1])))|((02|04|06|09|11)-((0[0-9])|([1-2][0-9])|30)))$/);
 106         if(val.length==8)
 107         {
 108             dtexp=new RegExp(/^([0-9]{2})-(((01|03|05|07|08|10|12)-((0[0-9])|([1-2][0-9])|(3[0-1])))|((02|04|06|09|11)-((0[0-9])|([1-2][0-9])|30)))$/);
 109             pos=0;
 110         }
 111         if(dtexp.test(val))
 112         {
 113             var month=parseInt(val.substring(pos+3,pos+5));
 114             var day=parseInt(val.substring(pos+6,pos+8));
 115             var year=parseInt(val.substring(0,pos+2));
 116             if(month==2&&day>daysInFebruary(year))
 117                 return false;
 118             if(val.substring(0,pos+2).length==2)
 119             {
 120                 if(val.substring(0,pos+2).length==2)
 121                     year=parseInt("20"+val.substring(0,pos+2));
 122                 else
 123                     year=parseInt("19"+val.substring(0,pos+2));
 124             }
 125             if(tmstmp==true)
 126             {
 127                 if(year<1978) return false;
 128                 if(year>2038||(year>2037&&day>19&&month>=1)||(year>2037&&month>1)) return false;
 129                 }
 130         }
 131         else
 132             return false;
 133         return true;
 134 }
 135
 136 /* function to check the validity of time
 137 * The following patterns are accepted in this validation (accepted in mysql as well)
 138 * 1) 2:3:4
 139 * 2) 2:23:43
 140 */
 141 function isTime(val)
 142 {
 143     var arrayVal=val.split(":");
 144     for(var a=0;a<arrayVal.length;a++)
 145     {
 146         if(arrayVal[a].length==1)
 147             arrayVal[a]=fractionReplace(arrayVal[a]);
 148     }
 149     val=arrayVal.join(":");
 150     tmexp=new RegExp(/^(([0-1][0-9])|(2[0-3])):((0[0-9])|([1-5][0-9])):((0[0-9])|([1-5][0-9]))$/);
 151         if(!tmexp.test(val))
 152             return false;
 153         return true;
 154 }
 155 //validate the datetime and integer
 156 function Validator(urlField, multi_edit,theType){
 157     var rowForm = document.forms['insertForm'];
 158     var evt = window.event || arguments.callee.caller.arguments[0];
 159     var target = evt.target || evt.srcElement;
 160     unNullify(urlField, multi_edit);
 161
 162     if(target.name.substring(0,6)=="fields")
 163     {
 164         var dt=rowForm.elements['fields[multi_edit][' + multi_edit + '][' + urlField + ']'];
 165         // validate for date time
 166         if(theType=="datetime"||theType=="time"||theType=="date"||theType=="timestamp")
 167         {
 168             if(theType=="date"){
 169                 if(!isDate(dt.value))
 170                     {
 171                         dt.className="invalid_value";
 172                         return false;
 173                     }
 174             }
 175             else if(theType=="time")
 176             {
 177                 if(!isTime(dt.value))
 178                 {
 179                     dt.className="invalid_value";
 180                     return false;
 181                 }
 182             }
 183             else if(theType=="datetime"||theType=="timestamp")
 184             {
 185                 tmstmp=false;
 186                 if(dt.value=="CURRENT_TIMESTAMP")
 187                 {
 188                     dt.className="";
 189                     return true;
 190                 }
 191                 if(theType=="timestamp")
 192                 {
 193                     tmstmp=true;
 194                 }
 195                 if(dt.value=="0000-00-00 00:00:00")
 196                     return true;
 197                 var dv=dt.value.indexOf(" ");
 198                 if(dv==-1)
 199                 {
 200                     dt.className="invalid_value";
 201                     return false;
 202                 }
 203                 else
 204                 {
 205                     if(!(isDate(dt.value.substring(0,dv),tmstmp)&&isTime(dt.value.substring(dv+1))))
 206                     {
 207                         dt.className="invalid_value";
 208                         return false;
 209                     }
 210                 }
 211             }
 212         }
 213         //validate for integer type
 214         if(theType.substring(0,3)=="int"){
 215
 216             if(isNaN(dt.value)){
 217                     dt.className="invalid_value";
 218                     return false;
 219             }
 220         }
 221     }
 222
 223     dt.className="";
 224  }
 225  /* End of datetime validation*/
 226
 227 /**
 228  * Unchecks the "NULL" control when a function has been selected or a value
 229  * entered
 230  *
 231  * @param   string   the urlencoded field name
 232  * @param   string   the multi_edit row sequence number
 233  *
 234  * @return  boolean  always true
 235  */
 236 function unNullify(urlField, multi_edit)
 237 {
 238     var rowForm = document.forms['insertForm'];
 239
 240     if (typeof(rowForm.elements['fields_null[multi_edit][' + multi_edit + '][' + urlField + ']']) != 'undefined') {
 241         rowForm.elements['fields_null[multi_edit][' + multi_edit + '][' + urlField + ']'].checked = false
 242     } // end if
 243
 244     if (typeof(rowForm.elements['insert_ignore_' + multi_edit]) != 'undefined') {
 245         rowForm.elements['insert_ignore_' + multi_edit].checked = false
 246     } // end if
 247
 248     return true;
 249 } // end of the 'unNullify()' function