Timeline does not appear after upgrade

I found that the timeline actually works if the node post date is selected instead of the CCK Date field (a custom field that indicates the date of the historical event).

When the CCK Date Field is configured, the query returned by the view is returning the correct value (such as 1845-01-01T00:00:00) . However, the timeline logic returns the following:

array (
'events' =>
array (
'events' =>
array (
0 =>
array (
'title' => 'First BC Person',
'link' => false,
'start' => NULL,
...

Notice the NULL start date, which is obviously preventing the node data from being placed on the timeline, resulting in an empty timeline.

Running an SQL query directly shows that the node created date is returning as in unix timestamp (such as 1309891445) while the CCK Date is formatted as yyyy-mm-dd'T'hh:MM:ss. It seems that the timeline code can't handle the variation in date formats?

On the other hand, creating a CCK timestamp field and configuring the timeline to use this field still results in a 'start' => NULL.

Any help would be greatly appreciated, I have been working on this for weeks with no luck.

Thanks

The problem is in the timeline_date_source_date_field_conversion function in sites/all/modules/timeline/plugins/date_sourcesdate_field.inc

The first line, $input_format = $options['field']['date format'];, returns NULL when a CCK Date field is used. This causes the date conversion logic to fail, resulting in a null start date.

I managed to get it working by adding a default switch condition that catches CCK dates but I am aware it is a hack since non-CCK Date fields would probably throw errors.

For what it's worth, here is my code... I added the last two lines and the timeline now appears correctly.

function timeline_date_source_date_field_conversion($date, $output_format, $options = array()) {

$input_format = $options['field']['date format'];

switch ($input_format) {
case 'date':
switch ($output_format) {
case 'iso8601':
return date_convert(date_convert($date, DATE_ISO, DATE_UNIX), DATE_UNIX, DATE_ISO, date_get_timezone('date')) . 'Z';
case 'gregorian':
if (module_exists('date_api') && variable_get('date_api_version', 0) >= 5.2) {
return format_date(date_convert($date, DATE_ISO, DATE_UNIX) + timeline_get_timezone(), 'custom', 'M d Y G:i:s', '0', 'en');
}
else {
return format_date(strtotime($date) + timeline_get_timezone(), 'custom', 'M d Y G:i:s', '0', 'en');
}
case 'timestamp':
return date_convert($date, DATE_ISO, DATE_UNIX) + timeline_get_timezone();
}
case 'datetime':
switch ($output_format) {
case 'iso8601':
return date_convert(date_convert($date, DATE_DATETIME, DATE_UNIX), DATE_UNIX, DATE_ISO, date_get_timezone('date')) . 'Z';
case 'gregorian':
return format_date(date_convert($date, DATE_DATETIME, DATE_UNIX) + timeline_get_timezone(), 'custom', 'M d Y G:i:s', '0', 'en');
case 'timestamp':
return date_convert($date, DATE_DATETIME, DATE_UNIX) + timeline_get_timezone();
}
case 'datestamp':
switch ($output_format) {
case 'iso8601':
if (module_exists('date_api') && variable_get('date_api_version', 0) >= 5.2) {
return date_convert($date, DATE_UNIX, DATE_ISO, date_get_timezone('date')) . 'Z';
}
else {
return format_date($date + timeline_get_timezone(), 'custom', 'Y-m-d\TH:i:s\Z', '0', 'en');
}
case 'gregorian':
return format_date($date + timeline_get_timezone(), 'custom', 'M d Y G:i:s', '0', 'en');
case 'timestamp':
return $date + timeline_get_timezone();
}
default:
return date_convert(date_convert($date, DATE_ISO, DATE_UNIX), DATE_UNIX, DATE_ISO, date_get_timezone('date')) . 'Z';
}
}