library/options.js.php

   1 <?php
   2 // Copyright (C) 2014-2017 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, description) {
  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     if (description == '') description = '<?php echo xls('Gest age') ?>';
  32     age = description + ' ' +
  33       weeks + (weeks == 1 ? ' <?php echo xls('week') ?>' : ' <?php echo xls('weeks') ?>') + ' ' +
  34       days  + (days  == 1 ? ' <?php echo xls('day') ?>' : ' <?php echo xls('days') ?>');
  35   }
  36   else {
  37     // Years or months.
  38     var dayDiff   = date2.getDate()     - date1.getDate();
  39     var monthDiff = date2.getMonth()    - date1.getMonth();
  40     var yearDiff  = date2.getFullYear() - date1.getFullYear();
  41     var ageInMonths = yearDiff * 12 + monthDiff;
  42     if (dayDiff < 0) --ageInMonths;
  43     if (format == 1 || (format == 0 && ageInMonths >= 24)) {
  44       age = yearDiff;
  45       if (monthDiff < 0 || (monthDiff == 0 && dayDiff < 0)) --age;
  46       age = '' + age;
  47     }
  48     else {
  49       age = '' + ageInMonths;
  50       if (format == 0) {
  51         age = age + ' ' + (ageInMonths == 1 ? '<?php echo xls('month') ?>' : '<?php echo xls('months') ?>');
  52       }
  53     }
  54     if (description == '') description = '<?php echo xls('Age') ?>';
  55     if (age != '') age = description + ' ' + age;
  56   }
  57   document.getElementById('span_' + fieldid).innerHTML = age;
  58 }
  59
  60 // Function to show or hide form fields (and their labels) depending on "skip conditions"
  61 // defined in the layout.
  62 //
  63 var cskerror = false; // to avoid repeating error messages
  64 function checkSkipConditions() {
  65   var myerror = cskerror;
  66   var prevandor = '';
  67   var prevcond = false;
  68   for (var i = 0; i < skipArray.length; ++i) {
  69     var target   = skipArray[i].target;
  70     var id       = skipArray[i].id;
  71     var itemid   = skipArray[i].itemid;
  72     var operator = skipArray[i].operator;
  73     var value    = skipArray[i].value;
  74     var is_radio = false;
  75     var action   = skipArray[i].action;
  76     var tofind = id;
  77
  78     if (itemid) tofind += '[' + itemid + ']';
  79     // Some different source IDs are possible depending on the data type.
  80     var srcelem = document.getElementById('check_' + tofind);
  81     var radio_id='form_' + tofind + '[' + value + ']';
  82     if(typeof document.getElementById(radio_id)!=="undefined"){
  83         srcelem = document.getElementById(radio_id);
  84         if(srcelem != null){
  85             is_radio = true;
  86         }
  87     }
  88     if (srcelem == null) srcelem = document.getElementById('radio_' + tofind);
  89     if (srcelem == null) srcelem = document.getElementById('form_' + tofind) ;
  90     if (srcelem == null) srcelem = document.getElementById('text_' + tofind);
  91
  92     if (srcelem == null) {
  93       if (!cskerror) alert('<?php echo xls('Cannot find a skip source field for'); ?> "' + tofind + '"');
  94       myerror = true;
  95       continue;
  96     }
  97
  98     var condition = false;
  99     var is_multiple = false;
 100     var elem_val;
 101     if ( is_radio){
 102         for (var k = 0; k < document.getElementsByName('form_' + tofind).length; k++){
 103             if (document.getElementsByName('form_' + tofind)[k].checked){
 104                 elem_val= document.getElementsByName('form_' + tofind)[k].value;
 105             }
 106         }
 107     }else if( typeof srcelem.options!=="undefined" && srcelem.type == 'select-one' ){
 108         elem_val=srcelem.options[srcelem.selectedIndex].value;
 109
 110     }else if( srcelem.type == 'select-multiple' ) {
 111         elem_val = new Array();
 112         is_multiple = true;
 113         for (var k = 0; k < srcelem.length; k++) {
 114             if (srcelem.options[k].selected) {
 115                 if( elem_val.indexOf(srcelem.options[k].value)<0) {
 116                     elem_val.push(srcelem.options[k].value);
 117                 }
 118             }
 119         }
 120     } else {
 121         elem_val=srcelem.value;
 122
 123         if(elem_val == null) {
 124             elem_val = srcelem.getAttribute("data-value");
 125             if( elem_val !== null && elem_val.indexOf("|") !== -1 ) {
 126                 elem_val = elem_val.split("|");
 127                 is_multiple = true;
 128             }
 129         }
 130         if(elem_val == null) elem_val = srcelem.innerText;
 131     }
 132     //this is a feature fix for the multiple select list option
 133     //collect all the multiselect control values:
 134     if( is_multiple ) {
 135         switch(operator) {
 136             case 'eq':
 137                 condition = (-1 !== elem_val.indexOf(value));break;
 138             case 'ne':
 139                 condition = (-1 == elem_val.indexOf(value)); break;
 140             case 'se':
 141                 condition = srcelem.checked  ; break; // doesn't make sense?
 142             case 'ns':
 143                 condition = !srcelem.checked;  break;
 144         }
 145
 146     } else {
 147         if (operator == 'eq') condition = elem_val == value; else
 148         if (operator == 'ne') condition = elem_val != value; else
 149         if (operator == 'se') condition = srcelem.checked  ; else
 150         if (operator == 'ns') condition = !srcelem.checked;
 151     }
 152
 153     // Logic to accumulate multiple conditions for the same target.
 154     // alert('target = ' + target + ' prevandor = ' + prevandor + ' prevcond = ' + prevcond); // debugging
 155     if (prevandor == 'and') condition = condition && prevcond; else
 156     if (prevandor == 'or' ) condition = condition || prevcond;
 157     prevandor = skipArray[i].andor;
 158     prevcond = condition;
 159     var j = i + 1;
 160     if (j < skipArray.length && skipArray[j].target == target) continue;
 161
 162     // At this point condition indicates the target should be hidden or have its value set.
 163
 164     if (action == 'skip') {
 165       var trgelem1 = document.getElementById('label_id_' + target);
 166       var trgelem2 = document.getElementById('value_id_text_' + target);
 167       if (trgelem2 == null) {
 168         trgelem2 = document.getElementById('value_id_' + target);
 169       }
 170
 171       if (trgelem1 == null && trgelem2 == null) {
 172           var trgelem1 = document.getElementById('label_' + target);
 173           var trgelem2 = document.getElementById('text_' + target);
 174           if(trgelem2 == null){
 175               trgelem2 = document.getElementById('form_' + target);
 176           }
 177           if (trgelem1 == null && trgelem2 == null) {
 178               if (!cskerror) alert('<?php echo xls('Cannot find a skip target field for'); ?> "' + target + '"');
 179               myerror = true;
 180               continue;
 181           }
 182       }
 183
 184       // Find the target row and count its cells, accounting for colspans.
 185       var trgrow = trgelem1 ? trgelem1.parentNode : trgelem2.parentNode;
 186       var rowcells = 0;
 187       for (var itmp = 0; itmp < trgrow.cells.length; ++itmp) {
 188         rowcells += trgrow.cells[itmp].colSpan;
 189       }
 190
 191       // If the item occupies a whole row then undisplay its row, otherwise hide its cells.
 192       var colspan = 0;
 193       if (trgelem1) colspan += trgelem1.colSpan;
 194       if (trgelem2) colspan += trgelem2.colSpan;
 195       if (colspan < rowcells) {
 196         if (trgelem1) trgelem1.style.visibility = condition ? 'hidden' : 'visible';
 197         if (trgelem2) trgelem2.style.visibility = condition ? 'hidden' : 'visible';
 198       }
 199       else {
 200         trgrow.style.display = condition ? 'none' : '';
 201       }
 202     }
 203     else if (condition) { // action starts with "value="
 204       var trgelem = document.getElementById('form_' + target);
 205       if (trgelem == null) {
 206         if (!cskerror) alert('Cannot find a value target field "' + trgelem + '"');
 207         myerror = true;
 208         continue;
 209       }
 210       var action_value = action.substring(6);
 211       if (trgelem.type == 'checkbox') {
 212         trgelem.checked = !(action_value == '0' || action_value == '');
 213       }
 214       else {
 215         trgelem.value = action_value;
 216       }
 217     }
 218   }
 219   // If any errors, all show in the first pass and none in subsequent passes.
 220   cskerror = cskerror || myerror;
 221 }
 222
 223 ///////////////////////////////////////////////////////////////////////
 224 // Image canvas support starts here.
 225 ///////////////////////////////////////////////////////////////////////
 226
 227 var lbfCanvases = {}; // contains the LC instance for each canvas.
 228
 229 // Initialize the drawing widget.
 230 // canid is the id of the div that will contain the canvas, and the image
 231 // element used for initialization should have an id of canid + '_img'.
 232 //
 233 function lbfCanvasSetup(canid, canWidth, canHeight) {
 234   LC.localize({
 235     "stroke"    : "<?php echo xls('stroke'); ?>",
 236     "fill"      : "<?php echo xls('fill'); ?>",
 237     "bg"        : "<?php echo xls('bg{{image canvas label}}'); ?>",
 238     "Clear"     : "<?php echo xls('Clear'); ?>",
 239     // The following are tooltip translations, however they do not work due to
 240     // a bug in LiterallyCanvas 0.4.13.  We'll leave them here pending a fix.
 241     "Eraser"    : "<?php echo xls('Eraser'); ?>",
 242     "Pencil"    : "<?php echo xls('Pencil'); ?>",
 243     "Line"      : "<?php echo xls('Line'); ?>",
 244     "Rectangle" : "<?php echo xls('Rectangle'); ?>",
 245     "Ellipse"   : "<?php echo xls('Ellipse'); ?>",
 246     "Text"      : "<?php echo xls('Text'); ?>",
 247     "Polygon"   : "<?php echo xls('Polygon'); ?>",
 248     "Pan"       : "<?php echo xls('Pan'); ?>",
 249     "Eyedropper": "<?php echo xls('Eyedropper'); ?>",
 250     "Undo"      : "<?php echo xls('Undo'); ?>",
 251     "Redo"      : "<?php echo xls('Redo'); ?>",
 252     "Zoom out"  : "<?php echo xls('Zoom out'); ?>",
 253     "Zoom in"   : "<?php echo xls('Zoom in'); ?>",
 254   });
 255   var tmpImage = document.getElementById(canid + '_img');
 256   var shape = LC.createShape('Image', {x: 0, y: 0, image: tmpImage});
 257   var lc = LC.init(document.getElementById(canid), {
 258     imageSize: {width: canWidth, height: canHeight},
 259     strokeWidths: [1, 2, 3, 5, 8, 12],
 260     defaultStrokeWidth: 2,
 261     backgroundShapes: [shape],
 262     imageURLPrefix: '<?php echo $GLOBALS['assets_static_relative'] ?>/literallycanvas/img'
 263   });
 264   if (canHeight > 261) {
 265     // TBD: Do something to make the widget bigger?
 266     // Look for some help with this in the next LC release.
 267   }
 268   // lc.saveShape(shape);       // alternative to the above backgroundShapes
 269   lbfCanvases[canid] = lc;
 270 }
 271
 272 // This returns a standard "Data URL" string representing the image data.
 273 // It will typically be a few kilobytes. Here's a truncated example:
 274 // data:image/png;base64,iVBORw0K ...
 275 //
 276 function lbfCanvasGetData(canid) {
 277   return lbfCanvases[canid].getImage().toDataURL();
 278 }
 279
 280 </script>