function appendsample() {
var rows = document.getElementsByClassName('glyphs')[0].rows;
for (var row of rows) {
- cols = [ row.cells[0] ];
- for (var col = 1; col <= 26; col++) {
- cols[col] = cols[ col - 1 ].nextSibling;
- for (var span = 1; span < cols[col].colSpan; span++) {
- var same = cols[col];
- cols[++col] = same;
- }
- }
+ // append sample column
var samplecol = row.getElementsByClassName('sample');
+ if (!this.value.length) {
+ row.removeChild(samplecol[0]);
+ continue;
+ }
if (samplecol.length) {
samplecol = samplecol[0];
}
samplecol.className = 'sample';
}
+ // prepare alphabet lookup table
+ cols = [ row.cells[0] ];
+ for (var col = 1; col <= samplecol.cellIndex; col++) {
+ var next = cols[col - 1].nextSibling;
+ if (next == samplecol) break;
+ cols[col] = next;
+ for (var span = 1; span < cols[col].colSpan; span++) {
+ var same = cols[col];
+ cols[++col] = same;
+ }
+ }
+ for (var col = 0; col < cols.length; col++) {
+ cols[col] = cols[col].innerHTML.trimRight();
+ }
+
+ // copy letters into sample
var output = '';
var input = this.value.toUpperCase();
for (var i = 0; i < input.length; i++) {
var col = input.charCodeAt(i) - 64;
- if (col < 1 || col > 26) {
- output += ' ';
+ if (col < 1) col = 27; // space
+ else if (cols[28] && i && col == input.charCodeAt(i - 1) - 64) {
+ col = 28; // repetition char
+ }
+ if (row.id == 'suetterlin' && col == 19) {
+ var final = input.length == i + 1 || input[i + 1] == ' ';
+ output += cols[col].split(' ')[final ? 1 : 0];
+ }
+ else if (col < cols.length) {
+ output += '<span>' + (cols[col] || ' ') + '</span>';
}
else {
- output += '<span>' + cols[col].innerHTML.trimRight() + '</span>';
+ output += '<b> </b>';
}
+ if (row.parentNode.tagName == 'THEAD') {
+ output += col < 26 ? ' ' : 'ยท '; // number separator
+ }
+ }
+ if (cols[29] && !cols[28]) {
+ // circumfix sign if no repetition
+ output = cols[29] + output + (cols[30] || cols[29]);
}
samplecol.innerHTML = output;
}