Spark TextArea, setFormatOfRange performance issue

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hi, dear

 

i building syntax highlight editor using spark.components.textarea

 

my app invokes setformatofrange put colour on syntax. find api very slow.

 

i need wait more 10s before ui response me


and if comment setformatofrange, runs smoothly without delay

 

 

seems tlf slow @ point, isn't it?

 

must change use mx.controls.textarea?  faster?

 

thank you

issue richeditabletext.setformatofrange updates display on every call.  want directly access textflow (its property of richeditabletext), make of format changes , update display using tlf apis.

 

something this

var textflow:textflow = ret.textflow

textflow.interactionmanager.begincompositeoperation

textflow.interactionmanager.applyleafformat  (as many times necessary)

textflow.interactionmanager.endcompoisteoperation

 

the composite operation calls let multiple updates without updating display.  there may additional things needed make sure textflow has interactionmanager.

 

 

richard



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