Comments on: Setting the vertical scroll position on a Spark RichEditableText control in Flex 4

By: Ricardo

Ricardo — Sat, 06 Aug 2011 14:05:10 +0000

Hello!

What if I update my richEditableText dinamically (for example, by clicking on a list)? It does not update my scroll properly (PS:I am very new to Flex, sorry if it is a very silly question) here is my code:

my_rich_text.textFlow = TextFlowUtil.importFromString(my_list.selectedItem.conteudo);

my_scroll.minimum = 0;

my_scroll.maximum = my_rich_text.contentHeight – my_rich_text.height;

my_rich_text.verticalScrollPosition = 0;

my_scroll.setVisible(Boolean(my_scroll.maximum > 0));

Thanks in advance!

By: julien

julien — Fri, 11 Sep 2009 18:22:56 +0000

Thanks for the example, I added some animation based on your example and posted it here http://jucast.tumblr.com/post/185468850/animated-text-scrolling-in-gumbo

By: Peter deHaan

Peter deHaan — Wed, 19 Aug 2009 21:00:23 +0000

Yeah, I doubt [m]any of these examples will work in the old Flex 4 Beta 1 SDK. It is super old (build 7219 vs 9377), and we have seen many renames since that old beta build.

And yes, when using nightly Flex 4 SDKs in Flash Builder 4, you’ll want to disable that network monitor since it isn’t included in Nightly SDK builds. That is/was a bug and has been fixed in newer (internal) Flash Builder 4 builds (or so I understand). I’m guessing you were seeing the odd behavior when switching SDKs because the project files weren’t always getting recompiled. Sometimes I’ll add a space and delete it just to force a recompile (or just try doing a Project > Clean).

Peter

By: Oscar

Oscar — Wed, 19 Aug 2009 18:33:28 +0000

AH.. I have an other clue:
So, starting with FB b1 standard SDK, I get textbox as wide as the textlines in it.
Changing compilersettings to latest SDK, restart, compiling, same textbox still as wide as the text in it.
From menu: Project > Clean…
compiling again: Voila! Square textbox with wrapped text & working slider.

In between: I got the error:
unable to open ‘C:\Program Files\Adobe\Flash Builder Plug-in Beta\sdks\4.0.0.9377\frameworks/libs/netmon.swc’

So that was the reason for me to uncheck Network Monitor in the first place & press apply.
I guess it also preforms a ‘clean project’

By: Oscar

Oscar — Wed, 19 Aug 2009 18:21:43 +0000

So, check this out:
Standard FB b1 rendered the textbox as wide as the text. So slider didn’t work.
Downloaded latest nightly build, switched compiler, error: An internal build error..
restarted FB, no error, compiled, textbox as wide as the text… *frown* no good.

Went back to compiler properties, checked settings, disabled Network Monitor (completely unrelated…),
pressed “Apply”, compiled again, voila!
text is shown in a neat square box, slider does what it’s supposed to do.

Perfect.

Then I switched back to standard FB b1 Flex SDK, restarted FB, compiled:
Text is still shown in neat square box! *frown*?
Went back to compiler properties, checked settings, enabled Network Monitor (completely unrelated…still..), pressed “Apply”, compiled again, voila!
Textbox again as wide as text.

I can replicate this behaviour as much as I want.
I’m using the FB-plugin for eclipse by the way.
Is this a bug, or me being confused?

By: Oscar

Oscar — Wed, 19 Aug 2009 17:46:27 +0000

Doesn’t work with FlashBuilder B1.
I’ll try using the latest nightly build of Flex SDK a bit later.