--- tag_complete/tag_complete.js	2006/08/19 10:50:49	51
+++ tag_complete/tag_complete.js	2006/08/19 12:53:59	52
@@ -8,8 +8,12 @@
 	name: new Array(),
 	obj: new Array(),
 	selected: new Array(),
+	entered: {			// array of entered tags
+		i: new Array(),		// offset to tags
+		tag: new Array()	// mapping from tag i to entered
+	},
 
-	current: null,		// current selected suggestion
+	current: null,			// current selected suggestion
 
 	select: function( tag ) {
 
@@ -26,10 +30,10 @@
 
 				jQuery.className.add( _tag.obj[i], 'selected' );
 
-				suggest += '<a href="#" onclick="javascript:return _tag.add_tag(\'' + t + '\',' + i + ')">' + t + '</a> ';
+				suggest += '<a href="#'+i+'" onclick="javascript:return _tag.tag(\'' + t + '\',' + i + ')">' + t + '</a> ';
 				_tag.selected[j++] = {
 					i: i,
-					obj: _tag.obj[i],
+					obj: _tag.obj[i]
 				}
 			}
 		}
@@ -80,6 +84,9 @@
 		$.log.info('add '+i+': '+t);
 		_tag.focus();
 		jQuery.className.add( _tag.obj[i], 'entered' );
+		var entered_i = _tag.entered.i.length;
+		_tag.entered.i[ entered_i ] = i;
+		_tag.entered.tag[i] = entered_i;
 		_tag.clean_selected();
 		$('#tags').val(
 			$('#tags').val().replace(
@@ -89,6 +96,40 @@
 		return false;
 	},
 
+	remove_tag: function( t, i ) {
+		$.log.info('remove '+i+': '+t);
+		_tag.focus();
+		jQuery.className.remove( _tag.obj[i], 'entered' );
+		// remove selected tag and rebuild tags
+
+		var ent_i = _tag.entered.tag[i];
+		$.log.debug('entered i:'+ent_i);
+		_tag.entered.i.splice(ent_i,1);
+		_tag.entered.tag[i] = null;
+
+		$.log.debug("tags "+_tag.entered.i.join(","));
+
+		var tags = '';
+		for (var j = 0; j < _tag.entered.i.length; j++) {
+			var tag_i = _tag.entered.i[j];
+			tags += _tag.name[ tag_i ] + ' ';
+			_tag.entered.tag[ tag_i ] = j;
+		}
+
+		_tag.clean_selected();
+		$.log.debug('tags left: '+tags);
+		$('#tags').val( tags );
+		return false;
+	},
+
+	tag: function( t, i ) {
+		if (_tag.entered.tag[i] != null) {
+			_tag.remove_tag( t, i );
+		} else {
+			_tag.add_tag( t, i );
+		}
+	},
+
 	move_suggested: function( where ) {
 		var c = _tag.current;
 		if (c == null) {
@@ -127,8 +168,9 @@
 		_tag.name[i] = n;
 		_tag.obj[i] = this;
 		this.onclick = function() {
-			return _tag.add_tag( n, i );
+			return _tag.tag( n, i );
 		}
+		this.href = '#'+i;	// FIXME debug
 	});
 	$.log.info( 'found ' + _tag.name.length + ' tags' );