X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/0de8fbee36cf18ea98dba85a7fc629db7e6ca769..9b34f6d9fa60d96025fe3835777f277b9cc002ad:/latinsample.js

diff --git a/latinsample.js b/latinsample.js
index c17242a..fa6b0f1 100644
--- a/latinsample.js
+++ b/latinsample.js
@@ -1,14 +1,7 @@
 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 (samplecol.length) {
 			samplecol = samplecol[0];
@@ -18,17 +11,42 @@ function appendsample() {
 			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 += ' &nbsp; ';
+			if (col < 1) col = 27; // space
+			else if (cols[28] && i && col == input.charCodeAt(i - 1) - 64) {
+				col = 28; // repetition char
+			}
+
+			if (col < cols.length) {
+				output += '<span>' + (cols[col] || ' ') + '</span>';
 			}
 			else {
-				output += '<span>' + cols[col].innerHTML.trimRight() + '</span>';
+				output += ' ';
 			}
 		}
+		if (cols[29] && !cols[28]) {
+			// circumfix sign if no repetition
+			output = cols[29] + output + cols[29];
+		}
 		samplecol.innerHTML = output;
 	}
 };