Fix for getUsersInClass() query. Chart class experiment (commented out)

e107_handlers/chart_class.php

@@ -451,8 +451,94 @@ class e_chart
 						
 					break;
 				}
+
+
+				// Toggle Data from clicking on Legend. //FIXME
+			/*	$js .= "
+
+				
+					// create columns array
+				    var columns".$id." = [];
+				    // display these data series by default
+				    var defaultSeries = [1, 3];
+				    var series".$id." = {};
+				    for (var i = 0; i < data.getNumberOfColumns(); i++) {
+				        if (i == 0 || defaultSeries.indexOf(i) > -1) {
+				            // if the column is the domain column or in the default list, display the series
+				            columns".$id.".push(i);
+				        }
+				        else {
+				            // otherwise, hide it
+				            columns".$id.".push({
+				                label: data.getColumnLabel(i),
+				                type: data.getColumnType(i),
+				                sourceColumn: i,
+				                calc: function () {
+				                    return null;
+				                }
+				            });
+				        }
+				        if (i > 0) {
+				            columns".$id.".push({
+				                calc: 'stringify',
+				                sourceColumn: i,
+				                type: 'string',
+				                role: 'annotation'
+				            });
+				            // set the default series option
+				            series".$id."[i - 1] = {};
+				            if (defaultSeries.indexOf(i) == -1) {
+				                // backup the default color (if set)
+				                if (typeof(series".$id."[i - 1].color) !== 'undefined') {
+				                    series".$id."[i - 1].backupColor = series".$id."[i - 1].color;
+				                }
+				                series".$id."[i - 1].color = '#CCCCCC';
+				            }
+				        }
+				    }
+				
+
+					function showHideSeries".$id." () {
+			        var sel = chart.getSelection();
+			        // if selection length is 0, we deselected an element
+			        if (sel.length > 0) {
+			            // if row is undefined, we clicked on the legend
+			            if (sel[0].row == null) {
+			                var col = sel[0].column;
+			                if (typeof(columns".$id."[col]) == 'number') {
+			                    var src = columns".$id."[col];
 			
-	
+			                    // hide the data series
+			                    columns".$id."[col] = {
+			                        label: data.getColumnLabel(src),
+			                        type: data.getColumnType(src),
+			                        sourceColumn: src,
+			                        calc: function () {
+			                            return null;
+			                        }
+			                    };
+			
+			                    // grey out the legend entry
+			                    series".$id."[src - 1].color = '#CCCCCC';
+			                }
+			                else {
+			                    var src = columns".$id."[col].sourceColumn;
+			
+			                    // show the data series
+			                    columns".$id."[col] = src;
+			                    series".$id."[src - 1].color = null;
+			                }
+			                var view = new google.visualization.DataView(data);
+			                view.setColumns(columns".$id.");
+			                chart.draw(view, options);
+			            }
+			        }
+			    }
+			
+			    google.visualization.events.addListener(chart, 'select', showHideSeries".$id.");
+				";
+*/
+
 				$js .= "
 			        chart.draw(data, options);
 			      }

e107_handlers/userclass_class.php

@@ -268,11 +268,13 @@ class user_class
 		$blockers = array(e_UC_PUBLIC => 1, e_UC_READONLY => 1, e_UC_MEMBER => 1, e_UC_NOBODY => 1, e_UC_GUEST => 1, e_UC_NEWUSER => 1, e_UC_BOTS => 1);
 		$possibles = array_flip(explode(',',$classList));
 		unset($possibles[e_UC_READONLY]);
+
 		foreach ($this->class_tree as $uc => $uv)
 		{
 			if (!isset($blockers[$uc]))
 			{
 				$ec = $uv['userclass_editclass'];
+			//	$ec = $uv['userclass_visibility'];
 				if (isset($possibles[$ec]))
 				{
 					$ret[] = $uc;
@@ -1189,7 +1191,7 @@ class user_class
 		{
 			$class_regex = implode('|', array_flip($classList));
 			$regex = "(^|,)(".e107::getParser()->toDB($class_regex).")(,|$)";
-			$qry[] = "user_class REGEXP '{$regex}' ORDER BY '{$orderBy}'";
+			$qry[] = "user_class REGEXP '{$regex}' ";
 		}
 
 		if(empty($qry))

e107_plugins/poll/poll_menu.php

@@ -19,7 +19,7 @@ if(defined("POLLRENDERED"))
 
 if (!e107::isInstalled('poll'))
 {
-	return null; 
+	return null;
 }
 
 if(!defined("POLLCLASS"))