[CLOSED] Measure String Length

[softmachine2011]

Hi,

I'm trying to obtain string measure in pixels from a combo, and I find this function:

Ext.util.TextMetrics.measure(combo, 'Text to measure length')

But it throw an exception:
No se puede obtener valor de la propiedad 'fontSize': el objeto es nulo o está sin definir (Can not get value of property 'fontSize': the object is null or undefined)

It seems the problem is in Ext.fly(combo).getStyles function that is called internally

There is any workaround for this function or I'm doing something wrong?

[Daniil]

Hi,

According to ExtJS docs:
http://docs.sencha.com/ext-js/3-4/#!...method-measure
the first argument must be:

The element, dom node or id from which to copy existing CSS styles that can affect the size of the rendered text

[softmachine2011]

If combo is an instance of Ext.combobox, what I have to pass to the function?

combo.getEl() ?

[Daniil]

I think

ComboBox1.getEl().dom

[softmachine2011]

Thanks this was my mistake