Updated super/conferences to properly manage existing conferences, and touched up it's UI to fit the site theme

super/conferences.php

@@ -123,9 +123,83 @@ if(array_key_exists('formAction', $_POST)){
 // check for an action by the normal method
 if(array_key_exists('action', $_GET)){
 	switch($_GET['action']){
-		case 'new': // this is a request to create a new conference
+		case 'loadTable':
+			draw_conferences_list();
+			break;
+		case 'new':
+			// present them with a wizard in which to create a new conference
 			$_SESSION['conference_wizard'] = array();
 			wizard_draw_step('start');
+			break;
+		case 'edit':
+			// give them an editor in which to modify an existing conference
+			$cid = $_POST['id'];
+			if(is_numeric($cid)){
+				$conf = mysql_fetch_assoc(mysql_query("SELECT * FROM conferences WHERE id = $cid"));
+				if(is_array($conf)){
+					echo "<table>";
+					echo "<tr><td>" . i18n('Name') . ":</td><td><input type=\"text\" id=\"confName\" value=\"{$conf['name']}\"></input></td></tr>";
+					echo "<tr><td>" . i18n('Conference Type') . ":</td><td>";
+					echo "<select id=\"confType\">";
+					echo "<option value=\"sciencefair\""; if($conf['type'] == 'sciencefair') echo " SELECTED"; echo ">" . i18n("Science Fair") . "</option>";
+					echo "<option value=\"scienceolympics\""; if($conf['type'] == 'scienceolympics') echo " SELECTED"; echo ">" . i18n("Science Olympics") . "</option>";
+					echo "</select>";
+					echo "</td></tr>";
+					echo "<tr><td>" . i18n('Status')  . ":</td><td>";
+					$statuses = array('pending','running','ended');
+					echo "<select id=\"confStatus\">";
+					foreach($statuses as $status){
+						echo "<option value=\"$status\"";
+						if($conf['status'] == $status) echo " SELECTED";
+						echo ">$status</option>";
+					}
+					echo "</select>";
+					
+					echo "</td></tr>";
+					echo "</table>";
+				}
+			}
+			break;
+		case 'save':
+			// save the new conference data for the conference that's being edited
+			$confId = $_POST['id'];
+			if(!is_numeric($confId)){
+				error_("invalid conference id");
+			}
+			// verify that the specified conference already exists
+			$countRecord = mysql_fetch_assoc(mysql_query("SELECT COUNT(*) as tally FROM conferences WHERE id = $confId"), 0);
+			$tally = $countRecord['tally'];
+			if($tally == 1){
+				// ok, it's a valid conference id.  Let's go ahead and update the data for it
+				$confType = mysql_real_escape_string($_POST['confType']);
+				$confName = mysql_real_escape_string($_POST['confName']);
+				$confStatus = mysql_real_escape_string($_POST['confStatus']);
+				mysql_query("UPDATE conferences SET type='$confType', name='$confName', status='$confStatus' WHERE id='$confId'");
+				$errMsg = mysql_error();
+				if($errMsg != null){
+					error_("SQL error: $errMsg");
+				}else{
+					happy_("Conference updated successfully");
+				}
+			}else{
+				error_("nonexistant conference id");
+			}
+			break;
+		case 'delete':
+			// delete the specified conference
+			$confId = $_POST['id'];
+			if(!is_numeric($confId)){
+				error_("invalid conference id");
+			}else{
+				mysql_query("UPDATE conferences set status='deleted' WHERE id = $confId");
+				$errMsg = mysql_error();
+				if($errMsg != null){
+					error_("SQL error: $errMsg");
+				}else{
+					happy_("Conference updated successfully");
+				}
+			}
+
 			break;
 	}
 	exit;
@@ -139,29 +213,67 @@ send_header("Conferences Setup",
 ?>
 <script type="text/javascript">
 var wizard;
-$(document).ready(function() {
-//	$('#wizardBackdrop').fadeTo(0, 0);
-
-});
 
 function editConference(cid){
-	alert('edit ' + cid);
+	var editor = $('<div></div>');
+	$.post('conferences.php?action=edit', {'id':cid}, function(result){
+		editor.html(result);
+		editor.dialog({
+			'title':'<?=i18n("Edit")?>',
+			'modal':'true',
+			'buttons':{
+				'<?=i18n('Cancel')?>':function(){
+					editor.dialog('close');
+					editor.remove();
+				},
+				'<?=i18n('Ok')?>':function(){
+					$.post(
+						'conferences.php?action=save',
+						{
+							'id':cid, 
+							'confStatus':$('#confStatus').val(),
+							'confType':$('#confType').val(),
+							'confName':$('#confName').val()
+						},
+						function(result){
+							editor.dialog('close');
+							editor.remove();
+							$('#conferences').load('conferences.php?action=loadTable');
+						}
+					);
+				}
+			}
+		});
+	});
+	
 }
 
 function dropConference(cid){
-	alert('drop ' + cid);
+	var confirmation = $('<div></div>');
+	confirmation.append('<?=i18n("Are you sure you want to delete this conference?");?>');
+	confirmation.dialog({
+		'title': '<?=i18n("Are you sure");?>',
+		'modal': true,
+		'buttons':{
+			'<?=i18n('No')?>':function(){
+				$(this).dialog('close');
+				$(this).remove();
+			},
+			'<?=i18n('Yes')?>':function(){
+				$(this).dialog('close');
+				$.post('conferences.php?action=delete',  {'id':cid}, function(result){
+					$('#conferences').load('conferences.php?action=loadTable');
+				});
+				$(this).remove();
+			}
+		}
+	});
 }
 
 function openWizard(){
-	$('#addAnchor').hide();
-	/*
-	$('#wizardWrapper').css({'display':'block'});
-	$('#wizardBackdrop').css({'display':'block'});
-	$('#wizardBackdrop').fadeTo('slow', 0.8);
-	*/
 	wizard = $('<div></div>');
 	$('#conferences').append(wizard);
-	wizard.dialog();
+	wizard.dialog({'modal':'true'});
 	wizard.load('conferences.php?action=new');
 }
 
@@ -195,43 +307,37 @@ function handleSubmit(action){
 
 </script>
 
+<a href='' onclick="openWizard(); return false;">Add a conference</a>
+<hr/>
 <div id="conferences">
 <?php draw_conferences_list(); ?>
 <br/>
-<hr/>
-<a id="addAnchor" href='' onclick="openWizard(); return false;">Add a conference</a>
 </div>
 <?
 send_footer();
 
 function draw_conferences_list(){
-	echo "<table>";
+	echo "<table class=\"summarytable\">";
-	$query = mysql_query("SELECT * FROM `conferences`");
+	echo "<thead><tr><th colspan=\"5\">" . i18n("Conferences") . "</th></tr></thead>";
+	$query = mysql_query("SELECT * FROM `conferences` WHERE status <> 'deleted'");
+	$rowNumbr = 0;
 	while($row = mysql_fetch_assoc($query)){
-		echo "<tr>";
+		echo '<tr class="';
+		if(($rowNumber++) % 2) echo 'odd';
+		else echo 'even';
+		echo '">';
 		echo "<td>{$row['name']}</td><td>{$row['type']}</td><td>{$row['status']}</td>";
-		echo "<td><button onclick=\"editConference({$row['id']});return false;\">" . i18n("Edit") . "&nbsp;<img src=\"/icons/16/edit.png\"/></button></td>";
+		echo "<td><img onclick=\"editConference({$row['id']});return false;\" alt=\"" . i18n("Edit") . "\" src=\"/icons/16/edit.png\"/></td>";
-		echo "<td><button onclick=\"dropConference({$row['id']});return false;\">" . i18n("Delete") . "&nbsp;<img src=\"/icons/16/button_cancel.png\"/></button></td>";
+		if($row['status'] == 'running'){
+			echo "<td></td>"; // can't delete a running conference
+		}else{
+			echo "<td><img onclick=\"dropConference({$row['id']});return false;\" alt=\"" . i18n("Delete") . "\" src=\"/icons/16/button_cancel.png\"/></td>";
+		}
 		echo "</tr>";
 	}
 	echo "</table>";
 }
-/*
-require("../tableeditor.class.php");
 
-$editor=new TableEditor("conferences",
-			array(
-				"name"=>"Conference Name",
-				"type"=>"Type",
-				"status"=>"Status"
-			)
-			);
-
-$editor->setPrimaryKey("id");
-$editor->setDefaultSortField("id");
-$editor->setRecordType("Conference");
-$editor->execute();
-*/
 /************** Wizard handling functions *************/
 // draw an individual step in the wizard
 function wizard_draw_step($step, $message = null){
@@ -281,7 +387,7 @@ function wizard_close(){
 	echo "
 		<script type=\"text/javascript\">
 		wizard.dialog('close');
-		$('#addAnchor').show();
+		wizard.remove();
 		</script>
 	";
 }