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# Axis--StandardLibrary.php

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    00001 <?PHP
    00002
    00003 #
    00004 #   Axis--StandardLibrary.php
    00005 #   A Collection of Utility Routines
    00006 #
    00007 #   Copyright 1999-2002 Axis Data
    00008 #   This code is free software that can be used or redistributed under the
    00009 #   terms of Version 2 of the GNU General Public License, as published by the
    00010 #   Free Software Foundation (http://www.fsf.org).
    00011 #
    00012 #   Author:  Edward Almasy (almasy@axisdata.com)
    00013 #
    00014 #   Part of the AxisPHP library v1.2.4
    00015 #   For more information see http://www.axisdata.com/AxisPHP/
    00016 #
    00017
    00018
    00019 # (accepts a date string in the form YYYY-MM-DD and adds or subtracts days)
    00020 function CalcDate($DateString, $DaysToAdd)
    00021 {
    00022     # parse date string
    00023     $Pieces = explode("-", $DateString);
    00024
    00025     # convert to value of date in seconds (a la Unix timestamp)
    00026     $DateInSeconds = mktime(1, 1, 1, $Pieces[1], $Pieces[2], $Pieces[0]);
    00027
    00028     # perform date arithmetic
    00029     $DateInSeconds = $DateInSeconds + ($DaysToAdd * (60 * 60 * 24));
    00030
    00031     # return YYYY-MM-DD date string to caller
    00032     return date("Y-m-d", $DateInSeconds);
    00033 }
    00034
    00035 function GetHtmlEscapedString($String)
    00036 {
    00037     return htmlentities(stripslashes($String));
    00038 }
    00039
    00040 function GetUnHtmlEscapedString($String)
    00041 {
    00042     $TranslationTable = get_html_translation_table(HTML_ENTITIES);
    00043     $TranslationTable = array_flip($TranslationTable);
    00044     return strtr($String, $TranslationTable);
    00045 }
    00046
    00047 function HtmlSafePrint($String)
    00048 {
    00049     print(GetHtmlEscapedString($String));
    00050 }
    00051
    00052 function PrintAutoRefreshPage($Title, $NewUrl)
    00053 {
    00054     </script>
    00055
    00056         <html>
    00057         <head>
    00058             <title><?php  printf("%s", $Title);  ?></title>
    00059             <meta http-equiv="refresh" content="0; URL=<?php  print($NewUrl);  ?>">
    00060         </head>
    00061         <body bgcolor="white">
    00062         </body>
    00063         </html>
    00064
    00065     <script language="php">
    00066 }
    00067
    00068 function GetOrdinalSuffix($Number)
    00069 {
    00070     if (($Number > 10) && ($Number < 20))
    00071     {
    00072         $Suffix = "th";
    00073     }
    00074     else
    00075     {
    00076         $Digit = $Number % 10;
    00077         if ($Digit == 1)
    00078         {
    00079             $Suffix = "st";
    00080         }
    00081         elseif ($Digit == 2)
    00082         {
    00083             $Suffix = "nd";
    00084         }
    00085         elseif ($Digit == 3)
    00086         {
    00087             $Suffix = "rd";
    00088         }
    00089         else
    00090         {
    00091             $Suffix = "th";
    00092         }
    00093     }
    00094
    00095     return $Suffix;
    00096 }
    00097
    00098 function GetOrdinalNumber($Number)
    00099 {
    00100     return $Number.GetOrdinalSuffix($Number);
    00101 }
    00102
    00103 function GetMonthName($MonthNumber)
    00104 {
    00105     $MonthNames = array(
    00106             1 => "January",
    00107             2 => "February",
    00108             3 => "March",
    00109             4 => "April",
    00110             5 => "May",
    00111             6 => "June",
    00112             7 => "July",
    00113             8 => "August",
    00114             9 => "September",
    00115             10 => "October",
    00116             11 => "November",
    00117             12 => "December");
    00118
    00119     return $MonthNames[$MonthNumber];
    00120 }
    00121
    00122 function PrintOptionList($ResultVar, $Items,
    00123                          $SelectedValue = NULL,
    00124                          $SubmitOnChange = "",
    00125                          $Size = 1,
    00126                          $PrintEvenIfEmpty = 1,
    00127                          $MultipleAllowed = false,
    00128                          $OnChangeAction = NULL,
    00129                          $Width = NULL,
    00130                          $DisabledOptions = NULL)
    00131 {
    00132     if ((count($Items) > 0) || $PrintEvenIfEmpty)
    00133     {
    00134         # determine forced display width for option list (if needed)
    00135         if ($Width)
    00136         {
    00137             # width given in px
    00138             if (is_numeric($Width))
    00139             {
    00140                 $ForcedWidthAttrib = " style=\"width: ".$Width."px;\"";
    00141             }
    00142
    00143             # width given with type specifier (%, px, etc)
    00144             else
    00145             {
    00146                 $ForcedWidthAttrib = " style=\"width: ".$Width.";\"";
    00147             }
    00148         }
    00149         else
    00150         {
    00151             $Labels = $Items;
    00152             sort($Labels);
    00153             $MatchingCharThreshold = 11;
    00154             $MaxMatchingChars = $MatchingCharThreshold;
    00155             foreach ($Labels as $Label)
    00156             {
    00157                 if (isset($PreviousLabel))
    00158                 {
    00159                     $Len = ($MaxMatchingChars + 1);
    00160                     while (substr($Label, 0, $Len) ==
    00161                            substr($PreviousLabel, 0, $Len)
    00162                            && ($Len < strlen($Label)))
    00163                     {
    00164                         $MaxMatchingChars = $Len;
    00165                         $Len++;
    00166                     }
    00167                 }
    00168                 $PreviousLabel = $Label;
    00169             }
    00170             if ($MaxMatchingChars > $MatchingCharThreshold)
    00171             {
    00172                 $ExtraCharsToDisplayBeyondMatch = 6;
    00173                 $ForcedWidth = $MaxMatchingChars + $ExtraCharsToDisplayBeyondMatch;;
    00174                 $ForcedWidthAttrib = " style=\"width: ".$ForcedWidth."ex;\"";
    00175             }
    00176             else
    00177             {
    00178                 $ForcedWidthAttrib = " style=\"width: auto;\"";
    00179             }
    00180         }
    00181
    00182         # print option list begin
    00183         print("<select name=\"".$ResultVar."\""
    00184               ." size=\"".$Size."\""
    00185               ." id=\"".$ResultVar."\""
    00186               .($SubmitOnChange ? " onChange=\"submit()\"" : "")
    00187               .($OnChangeAction ? " onChange=\"".$OnChangeAction."\"" : "")
    00188               .($MultipleAllowed ? " multiple" : "")
    00189               .$ForcedWidthAttrib
    00190               .">\n");
    00191
    00192         # for each element in list
    00193         reset($Items);
    00194         while (list($Value, $Label) = each($Items))
    00195         {
    00196             # print option list item
    00197             printf("    <option value=\"%s\"", htmlspecialchars($Value));
    00198             if ((is_array($SelectedValue) && in_array($Value, $SelectedValue))
    00199                     || ($Value == $SelectedValue)) {  printf(" selected");  }
    00200             if ( !is_null($DisabledOptions)
    00201                  && isset($DisabledOptions[$Label]))
    00202             {
    00203                 printf(" disabled");
    00204             }
    00205             printf(">%s</option>\n", GetHtmlEscapedString($Label));
    00206         }
    00207
    00208         # print option list end
    00209         printf("</select>\n");
    00210     }
    00211 }
    00212
    00213 function PrintOptionListsOfDateComponents($FieldPrefix, $AllowNullDate = 0, $Year = -1, $Month = -1, $Day = -1, $SubmitOnChange = "")
    00214 {
    00215     # if no date passed in
    00216     if (($Year == -1) && ($AllowNullDate))
    00217     {
    00218         # if null date allowed
    00219         if ($AllowNullDate)
    00220         {
    00221             # use null date
    00222             $Year = 0;
    00223             $Month = 0;
    00224             $Day = 0;
    00225         }
    00226         else
    00227         {
    00228             # use current date
    00229             $Year = date("Y");
    00230             $Month = date("n");
    00231             $Day = date("j");
    00232         }
    00233     }
    00234
    00235     # if date string passed in
    00236     if ((strlen($Year) > 4) && ($Month == -1))
    00237     {
    00238         # split into component parts
    00239         list($Year, $Month, $Day) = split("[-/]", $Year);
    00240     }
    00241
    00242     # print option list for months if month value supplied
    00243     if ($Month != -1)
    00244     {
    00245         $Index = 1;
    00246         print("\n    <select name=\"".$FieldPrefix."Month\""
    00247               ." id=\"".$FieldPrefix."Month\""
    00248               .($SubmitOnChange ? " onChange='submit()'" : "")
    00249               .">\n");
    00250         if ($AllowNullDate)
    00251         {
    00252             print("<option value='0'>--</option>\n");
    00253         }
    00254         while ($Index <= 12)
    00255         {
    00256             if ($Index == $Month)
    00257             {
    00258                 printf("        <option value='%s' selected>%s</option>\n", $Index, GetMonthName($Index));
    00259             }
    00260             else
    00261             {
    00262                 printf("        <option value='%s'>%s</option>\n", $Index, GetMonthName($Index));
    00263             }
    00264             $Index++;
    00265         }
    00266         printf("    </select>\n");
    00267     }
    00268
    00269     # print option list for days if day value supplied
    00270     if ($Day != -1)
    00271     {
    00272         $Index = 1;
    00273         print("\n    <select name=\"".$FieldPrefix."Day\""
    00274               ." id=\"".$FieldPrefix."Day\""
    00275               .($SubmitOnChange ? " onChange='submit()'" : "")
    00276               .">\n");
    00277         if ($AllowNullDate)
    00278         {
    00279             print("<option value='0'>--</option>\n");
    00280         }
    00281         while ($Index <= 31)
    00282         {
    00283             if ($Index == $Day)
    00284             {
    00285                 printf("        <option value='%s' selected>%s</option>\n", $Index, GetOrdinalNumber($Index));
    00286             }
    00287             else
    00288             {
    00289                 printf("        <option value='%s'>%s</option>\n", $Index, GetOrdinalNumber($Index));
    00290             }
    00291             $Index++;
    00292         }
    00293         printf("    </select>\n");
    00294     }
    00295
    00296     # print option list for years
    00297     $Index = date("Y") - 45;
    00298     $EndIndex = $Index + 45;
    00299     print("\n    <select name=\"".$FieldPrefix."Year\""
    00300           ." id=\"".$FieldPrefix."Year\""
    00301           .($SubmitOnChange ? " onChange='submit()'" : "")
    00302           .">\n");
    00303     if ($AllowNullDate)
    00304     {
    00305         print("<option value='0'>--</option>\n");
    00306     }
    00307     while ($Index <= $EndIndex)
    00308     {
    00309         if ($Index == $Year)
    00310         {
    00311             printf("        <option value=\"%s\" selected>%s</option>\n", $Index, $Index);
    00312         }
    00313         else
    00314         {
    00315             printf("        <option value=\"%s\">%s</option>\n", $Index, $Index);
    00316         }
    00317         $Index++;
    00318     }
    00319     printf("    </select>\n");
    00320 }
    00321
    00322 function PrintOptionListsOfTimeComponents($FieldPrefix, $Hour = -1, $Minute = -1)
    00323 {
    00324     # use current date if no date passed in
    00325     if ($Hour == -1)
    00326     {
    00327         $Hour = date("G");
    00328         $Minute = date("i");
    00329     }
    00330
    00331     # print option list for hours if hour value supplied
    00332     $Index = 0;
    00333     print("\n    <select name=\"".$FieldPrefix."Hour\" id=\"".$FieldPrefix."Hour\">\n");
    00334     while ($Index < 24)
    00335     {
    00336         if ($Index == $Hour)
    00337         {
    00338             printf("        <option value='%s' selected>%d</option>\n", $Index, $Index);
    00339         }
    00340         else
    00341         {
    00342             printf("        <option value='%s'>%d</option>\n", $Index, $Index);
    00343         }
    00344         $Index++;
    00345     }
    00346     printf("    </select>\n");
    00347
    00348     # print option list for minutes if minute value supplied
    00349     if ($Minute != -1)
    00350     {
    00351         $Index = 0;
    00352         print("\n    <select name=\"".$FieldPrefix."Minute\" id=\"".$FieldPrefix."Minute\">\n");
    00353         while ($Index < 60)
    00354         {
    00355             if ($Index == $Minute)
    00356             {
    00357                 printf("        <option value='%s' selected>%02d</option>\n", $Index, $Index);
    00358             }
    00359             else
    00360             {
    00361                 printf("        <option value='%s'>%02d</option>\n", $Index, $Index);
    00362             }
    00363             $Index++;
    00364         }
    00365         printf("    </select>\n");
    00366     }
    00367 }
    00368
    00369 function LongestStringLineLength($String)
    00370 {
    00371     # split string on newlines
    00372     $Pieces = explode("\n", $String);
    00373
    00374     # for each line in string
    00375     $MaxLen = 0;
    00376     for ($Index = 0;  $Index < count($Pieces);  $Index++)
    00377     {
    00378         # save length if longer than current max
    00379         if (strlen($Pieces[$Index]) > $MaxLen)
    00380         {
    00381             $MaxLen = strlen($Pieces[$Index]);
    00382         }
    00383     }
    00384
    00385     # return length of longest segment to caller
    00386     return $MaxLen;
    00387 }
    00388
    00389 function PrintOptionListFromDB($DB, $Table, $Condition, $SortBy, $ResultVar, $ValueQuery, $LabelQuery, $SelectedValue, $Size = 1, $SubmitOnChange = "", $PrintEvenIfEmpty = 0)
    00390 {
    00391     # set up condition and sorting parameters
    00392     if ($Condition != "") {  $Condition = "WHERE ".$Condition;  }
    00393     if ($SortBy != "") {  $SortBy = "ORDER BY ".$SortBy;  }
    00394
    00395     # grab records to be listed from database
    00396     $QueryString = sprintf("SELECT * FROM %s %s %s",
    00397             $Table, $Condition, $SortBy);
    00398     $DB->Query($QueryString);
    00399
    00400     # if records were found
    00401     if ($DB->NumRowsSelected() > 0)
    00402     {
    00403         # build array of items
    00404         while ($Row = $DB->FetchRow())
    00405         {
    00406             $Items[$Row[$ValueQuery]] = $Row[$LabelQuery];
    00407         }
    00408
    00409         # sort array if not already sorted
    00410         if ($SortBy == "") {  asort($Items);  }
    00411     }
    00412
    00413     # print option list
    00414     PrintOptionList($ResultVar, $Items, $SelectedValue, $SubmitOnChange, $Size, $PrintEvenIfEmpty);
    00415 }
    00416
    00417
    00418 ?>

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