searchlocal.js

   1 function filtertable(query, action) {
   2         var rows = document.getElementsByTagName('TBODY')[0].rows;
   3         for (var i = 0; i < rows.length; i++) {
   4                 var keep = query.match(/^[A-Z0-9 ]{2,}$/) ? rows[i].cells[0].title.match(query, 'i')
   5                         : rows[i].cells[1].textContent.match(query, query.match(/[A-Z]/) ? '' : 'i');
   6                 switch (action) {
   7                         case 'focus':
   8                                 rows[i].classList[keep ? 'add' : 'remove'](action);
   9                                 break;
  10                         case 'target':
  11                                 if (keep) rows[i].classList.toggle(action);
  12                                 break;
  13                         case 'filter':
  14                                 rows[i].style.display = keep ? '' : 'none';
  15                                 // continue
  16                         default: // reset
  17                                 rows[i].classList.remove('focus');
  18                                 rows[i].classList.remove('target');
  19                 }
  20         }
  21 }
  22
  23 function newelement(tagname, attrlist, childlist) {
  24         if (!attrlist) return document.createTextNode(tagname);
  25         var el = document.createElement(tagname);
  26         for (var name in attrlist)
  27                 el.setAttribute(name, attrlist[name]);
  28         if (childlist) for (var i = 0; i < childlist.length; i++)
  29                 el.appendChild(childlist[i]);
  30         return el;
  31 }
  32
  33 function prependsearch(target) {
  34         target.parentNode.insertBefore(newelement(
  35                 'form', {
  36                         id: 'search',
  37                         class: 'aside',
  38                         onsubmit: "filtertable(this.q.value, 'filter'); this.q.value = ''; return false",
  39                 },
  40                 [
  41                         newelement('input', {
  42                                 type: 'search',
  43                                 name: 'q',
  44                                 onkeyup: "filtertable(this.value, this.value.length > 1 ? 'focus' : 'reset')",
  45                         }),
  46                         newelement('input', {
  47                                 type: 'button',
  48                                 value: 'toggle',
  49                                 onclick: "filtertable(this.form.q.value, 'target')",
  50                         }),
  51                         newelement('input', {type:'submit', value:'filter'}),
  52                 ]
  53         ), target);
  54 }
  55