[pve-devel] [PATCH widget-toolkit v3 1/2] rrdchart: allow to override the series object

[Aaron Lauterer]

On  2025-07-21  13:42, Dominik Csapak wrote:
> One nit inline, but aside from that:
> 
> Reviewed-by: Dominik Csapak <d.csapak at proxmox.com>
> 
> On 7/15/25 16:31, Aaron Lauterer wrote:
>> this way we can keep the current behavior, but also make it possible to
>> finely control a series if needed. For example, if we want a stacked
>> graph, or just a line without fill.
>>
>> Additionally we need to adjust the tooltip renderer to also gather the
>> titles from these directly configured series.
>>
>> Signed-off-by: Aaron Lauterer <a.lauterer at proxmox.com>
>> ---
>>   src/panel/RRDChart.js | 53 +++++++++++++++++++++++++++++++++----------
>>   1 file changed, 41 insertions(+), 12 deletions(-)
>>
>> diff --git a/src/panel/RRDChart.js b/src/panel/RRDChart.js
>> index 86cf4e2..3b41ae6 100644
>> --- a/src/panel/RRDChart.js
>> +++ b/src/panel/RRDChart.js
>> @@ -118,13 +118,33 @@ Ext.define('Proxmox.widget.RRDChart', {
>>                   suffix = 'B/s';
>>               }
>> -            let prefix = item.field;
>> -            if (view.fieldTitles && 
>> view.fieldTitles[view.fields.indexOf(item.field)]) {
>> -                prefix = 
>> view.fieldTitles[view.fields.indexOf(item.field)];
>> +            let value = record.get(item.field);
>> +            if (value === null) {
>> +                tooltip.setHtml('No Data');
> 
> nit: this change seems a bit unrelated? we did just put it in 
> convertToUnits previously, and did not check the value before...

I forgot to mention in the commit msg why this is happening. In the next 
version, it will be explained.
in short: since stacked charts will also draw data points even if there 
is no data, we need to catch that to avoid errors later in the tooltip 
renderer.