latinsample.js

   1 function appendsample() {
   2         var rows = document.getElementsByClassName('glyphs')[0].rows;
   3         for (var row of rows) {
   4                 // append sample column
   5                 var samplecol = row.getElementsByClassName('sample');
   6                 if (!this.value.length) {
   7                         row.removeChild(samplecol[0]);
   8                         continue;
   9                 }
  10                 if (samplecol.length) {
  11                         samplecol = samplecol[0];
  12                 }
  13                 else {
  14                         samplecol = row.appendChild(document.createElement('TD'));
  15                         samplecol.className = 'sample';
  16                 }
  17
  18                 // prepare alphabet lookup table
  19                 cols = [ row.cells[0] ];
  20                 for (var col = 1; col <= samplecol.cellIndex; col++) {
  21                         var next = cols[col - 1].nextSibling;
  22                         if (next == samplecol) break;
  23                         cols[col] = next;
  24                         for (var span = 1; span < cols[col].colSpan; span++) {
  25                                 var same = cols[col];
  26                                 cols[++col] = same;
  27                         }
  28                 }
  29                 for (var col = 0; col < cols.length; col++) {
  30                         cols[col] = cols[col].innerHTML.trimRight();
  31                 }
  32
  33                 // copy letters into sample
  34                 var output = '';
  35                 var input = this.value.toUpperCase();
  36                 for (var i = 0; i < input.length; i++) {
  37                         var col = input.charCodeAt(i) - 64;
  38                         if (col < 1) col = 27; // space
  39                         else if (cols[28] && i && col == input.charCodeAt(i - 1) - 64) {
  40                                 col = 28; // repetition char
  41                         }
  42                         if (row.id == 'sütterlin' && col == 19) {
  43                                 var final = input.length == i + 1 || input[i + 1] == ' ';
  44                                 output += cols[col].split('&nbsp;')[final ? 1 : 0];
  45                         }
  46                         else if (col < cols.length) {
  47                                 output += '<span>' + (cols[col] || ' ') + '</span>';
  48                         }
  49                         else {
  50                                 output += ' ';
  51                         }
  52                         if (row.parentNode.tagName == 'THEAD') {
  53                                 output += col < 26 ? ' ' : '· '; // number separator
  54                         }
  55                 }
  56                 if (cols[29] && !cols[28]) {
  57                         // circumfix sign if no repetition
  58                         output = cols[29] + output + (cols[30] || cols[29]);
  59                 }
  60                 samplecol.innerHTML = output;
  61         }
  62 };
  63
  64 function getrequest(name) {
  65         // find GET variable in page request
  66         var match = new RegExp('[?&]'+name+'=([^&]*)');
  67         var param = match.exec(window.location.search);
  68         return param ? decodeURIComponent(param[1]) : '';
  69 }
  70
  71 function prependinput(target) {
  72         var form = document.createElement('FORM');
  73         form.id = 'search';
  74         form.className = 'aside';
  75         form.onsubmit = function () { return false };
  76
  77         var input = document.createElement('INPUT');
  78         input.oninput = appendsample;
  79         input.placeholder = 'Sample';
  80         input.type = 'search';
  81         input.name = 'q';
  82         if (input.value = getrequest('q')) {
  83                 input.oninput();
  84         }
  85
  86         form.appendChild(input);
  87         target.parentNode.insertBefore(form, target);
  88 }
  89