X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/921547406c8cdd5b4cffee21bca0ee56f23251dc..c653ee1e246168ec0cae4541a06c836aecdbb190:/latinsample.js

diff --git a/latinsample.js b/latinsample.js
index f4a6a6d..b576f95 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];
@@ -18,31 +11,60 @@ 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;
+			}
+		}
+
+		// 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].innerHTML.trimRight() || ' ') + '</span>';
 			}
 			else {
-				output += '<span>' + cols[col].innerHTML.trimRight() + '</span>';
+				output += ' ';
 			}
 		}
 		samplecol.innerHTML = output;
 	}
 };
 
+function getrequest(name) {
+	// find GET variable in page request
+	var match = new RegExp('[?&]'+name+'=([^&]*)');
+	var param = match.exec(window.location.search);
+	return param ? decodeURIComponent(param[1]) : '';
+}
+
 function prependinput(target) {
 	var form = document.createElement('FORM');
 	form.id = 'search';
 	form.className = 'aside';
+	form.onsubmit = function () { return false };
 
 	var input = document.createElement('INPUT');
 	input.oninput = appendsample;
 	input.placeholder = 'Sample';
 	input.type = 'search';
 	input.name = 'q';
+	if (input.value = getrequest('q')) {
+		input.oninput();
+	}
 
 	form.appendChild(input);
 	target.parentNode.insertBefore(form, target);