library/options.js.php

   1 <?php
   2 // Copyright (C) 2014 Rod Roark <rod@sunsetsystems.com>
   3 //
   4 // This program is free software; you can redistribute it and/or
   5 // modify it under the terms of the GNU General Public License
   6 // as published by the Free Software Foundation; either version 2
   7 // of the License, or (at your option) any later version.
   8 //
   9 // This is the place to put JavaScript functions that are needed to support
  10 // options.inc.php. Include this in the <head> section of relevant modules.
  11 // It's a .php module so that translation can be supported.
  12 ?>
  13 <script type="text/javascript">
  14
  15 // JavaScript support for date types when the A or B edit option is used.
  16 // Called to recompute displayed age dynamically when the corresponding date is
  17 // changed. Must generate the same age formats as the oeFormatAge() function.
  18 //
  19 function updateAgeString(fieldid, asof, format) {
  20   var datefld = document.getElementById('form_' + fieldid);
  21   var f = datefld.form;
  22   var age = '';
  23   var date1 = new Date(datefld.value);
  24   var date2 = asof ? new Date(asof) : new Date();
  25   if (format == 3) {
  26     // Gestational age.
  27     var msecs = date2.getTime() - date1.getTime();
  28     var days  = Math.round(msecs / (24 * 60 * 60 * 1000));
  29     var weeks = Math.floor(days / 7);
  30     days = days % 7;
  31     age = '<?php echo xls('Gest age') ?> ' +
  32       weeks + (weeks == 1 ? ' <?php echo xls('week') ?>' : ' <?php echo xls('weeks') ?>') + ' ' +
  33       days  + (days  == 1 ? ' <?php echo xls('day' ) ?>' : ' <?php echo xls('days' ) ?>');
  34   }
  35   else {
  36     // Years or months.
  37     var dayDiff   = date2.getDate()     - date1.getDate();
  38     var monthDiff = date2.getMonth()    - date1.getMonth();
  39     var yearDiff  = date2.getFullYear() - date1.getFullYear();
  40     var ageInMonths = yearDiff * 12 + monthDiff;
  41     if (dayDiff < 0) --ageInMonths;
  42     if (format == 1 || (format == 0 && ageInMonths >= 24)) {
  43       age = yearDiff;
  44       if (monthDiff < 0 || (monthDiff == 0 && dayDiff < 0)) --age;
  45       age = '' + age;
  46     }
  47     else {
  48       age = '' + ageInMonths;
  49       if (format == 0) {
  50         age = age + ' ' + (ageInMonths == 1 ? '<?php echo xls('month') ?>' : '<?php echo xls('months') ?>');
  51       }
  52     }
  53     if (age != '') age = '<?php echo xls('Age') ?> ' + age;
  54   }
  55   document.getElementById('span_' + fieldid).innerHTML = age;
  56 }
  57
  58 // Function to show or hide form fields (and their labels) depending on "skip conditions"
  59 // defined in the layout.
  60 //
  61 var cskerror = false; // to avoid repeating error messages
  62 function checkSkipConditions() {
  63   var myerror = cskerror;
  64   var prevandor = '';
  65   var prevcond = false;
  66   for (var i = 0; i < skipArray.length; ++i) {
  67     var target   = skipArray[i].target;
  68     var id       = skipArray[i].id;
  69     var itemid   = skipArray[i].itemid;
  70     var operator = skipArray[i].operator;
  71     var value    = skipArray[i].value;
  72
  73     var tofind = id;
  74     if (itemid) tofind += '[' + itemid + ']';
  75     // Some different source IDs are possible depending on the data type.
  76     var srcelem = document.getElementById('check_' + tofind);
  77     if (srcelem == null) srcelem = document.getElementById('radio_' + tofind);
  78     if (srcelem == null) srcelem = document.getElementById('form_' + tofind);
  79     if (srcelem == null) {
  80       if (!cskerror) alert('<?php echo xls('Cannot find a skip source field for'); ?> "' + tofind + '"');
  81       myerror = true;
  82       continue;
  83     }
  84
  85     var condition = false;
  86     if (operator == 'eq') condition = srcelem.value == value; else
  87     if (operator == 'ne') condition = srcelem.value != value; else
  88     if (operator == 'se') condition = srcelem.checked       ; else
  89     if (operator == 'ns') condition = !srcelem.checked;
  90
  91     // Logic to accumulate multiple conditions for the same target.
  92     // alert('target = ' + target + ' prevandor = ' + prevandor + ' prevcond = ' + prevcond); // debugging
  93     if (prevandor == 'and') condition = condition && prevcond; else
  94     if (prevandor == 'or' ) condition = condition || prevcond;
  95     prevandor = skipArray[i].andor;
  96     prevcond = condition;
  97     var j = i + 1;
  98     if (j < skipArray.length && skipArray[j].target == target) continue;
  99
 100     // At this point condition indicates if the target should be hidden.
 101
 102     var trgelem1 = document.getElementById('label_id_' + target);
 103     var trgelem2 = document.getElementById('value_id_' + target);
 104     if (trgelem1 == null && trgelem2 == null) {
 105       if (!cskerror) alert('<?php echo xls('Cannot find a skip target field for'); ?> "' + target + '"');
 106       myerror = true;
 107       continue;
 108     }
 109     // If the item occupies a whole row then undisplay its row, otherwise hide its cells.
 110     var colspan = 0;
 111     if (trgelem1) colspan += trgelem1.colSpan;
 112     if (trgelem2) colspan += trgelem2.colSpan;
 113     if (colspan < 4) {
 114       if (trgelem1) trgelem1.style.visibility = condition ? 'hidden' : 'visible';
 115       if (trgelem2) trgelem2.style.visibility = condition ? 'hidden' : 'visible';
 116     }
 117     else {
 118       if (trgelem1) trgelem1.parentNode.style.display = condition ? 'none' : '';
 119       else          trgelem2.parentNode.style.display = condition ? 'none' : '';
 120     }
 121   }
 122   // If any errors, all show in the first pass and none in subsequent passes.
 123   cskerror = cskerror || myerror;
 124 }
 125
 126 </script>