+var filterupdate;
+
function filtercell(el, set, action) {
switch (action) {
case 'focus':
case 'filter':
el.style.display = set ? '' : 'none';
if (!Element.prototype.hasOwnProperty('classList')) return;
- // continue
+ el.classList.remove('focus');
+ break;
default: // reset
el.classList.remove('focus');
el.classList.remove('target');
}
}
+function filtercols(table, match, action) {
+ var matchloc;
+ for (var y = 0; y < table.rows.length; y++) {
+ var loc = 0;
+ for (var x = 0; x < table.rows[y].cells.length; x++) {
+ var cell = table.rows[y].cells[x];
+ if (y == 0) {
+ if (match(cell)) {
+ if (!matchloc) matchloc = [loc];
+ matchloc[1] = loc + cell.colSpan;
+ filtercell(table.children.item(x), true, action); // colgroup
+ }
+ }
+ var keep = matchloc && loc >= matchloc[0] && loc < matchloc[1];
+ filtercell(cell, keep, action);
+ loc += cell.colSpan;
+ }
+ }
+}
+
function filterrows(table, match, action) {
var rows = table.tBodies[0].rows;
for (var i = 0; i < rows.length; i++) {
- filtercell(rows[i], match(rows[i]), action);
+ filtercell(rows[i], match && match(rows[i]), action);
}
}
function filtertable(query, action) {
+ filterupdate = undefined;
+ if (query === undefined) query = document.getElementById('search').q.value;
var table = document.getElementsByTagName('TABLE')[0];
if (!action) {
query = match[2];
}
+ if (query == '' && action == 'add') {
+ // restore all columns if explicitly adding all ("+")
+ filtercols(table, function(){return true}, 'add');
+ // continue to restore rows
+ }
+ if (/^[a-z_]+$/.test(query) && document.querySelector('.b-a-'+query)) {
+ // column if class b-a-* exists
+ var match = function(th) {
+ return new RegExp('-'+query+'\\b').test(th.className);
+ }
+ return filtercols(table, match, action || 'toggle');
+ }
+
if (/^[A-Z0-9 ]{2,}$/.test(query)) {
// category title if all uppercase
var match = function(row) {
return row.cells[0].title.match(query, 'i');
};
}
+ else if (numquery = /^([<>])(\d+)$/.exec(query)) {
+ // support percentage if numeric comparison
+ var match = function(row) {
+ var pct = row.cells[row.cells.length - 1].textContent;
+ pct -= numquery[2]; // compare to query
+ return numquery[1] == '<' ? pct < 0 : pct >= 0;
+ };
+ }
+ else if (action == 'focus' && query.length <= 1) {
+ // prevent superfluous highlighting
+ var match = false;
+ }
else {
// title text (case-insensitive unless caps in input)
var match = function(row) {
newelement('input', {
type: 'search',
name: 'q',
- onkeyup: "filtertable(this.value, this.value.length > 1 ? 'focus' : 'reset')",
+ onkeyup: "if (!filterupdate) filterupdate = "
+ + "window.setTimeout(filtertable, 300, undefined, 'focus')",
}),
newelement('input', {
type: 'button',