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Mikhail Shevchuk
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TextFlow height and Flex SDK 3.5

Mar 19, 2010 7:31 AM

Hello, forum

 

Thank you very much for the possibility to use TextFlow in Flex 3. I'm using the technique as Mihai Corlan by doing the following thing:

There is a TextFlow instance and a ParagraphElement added to it.

var p : ParagraphElement = new ParagraphElement();
span.text = 'Disc VERBATIM DVD+RWs 4x Jewel Case 5';
p.addChild(span);
_textFlow.addChild(p);

 

The TextContainer is a Sprite and it is added as canvLabel.rawChildren.addChild(_textContainer); into the Flex Canvas.

<mx:Canvas id="canvLabel" height="80" width="100%" >
</mx:Canvas>

 

What I am trying to implement is to resize the Canvas automatically to fit the TextFlow. How can this be done?

How can I define the height of the TextFlow that was put into my Canvas and automatically detect the correct height for the Canvas?

If I set the Canvas height to 100% nothing is showed. I guess in Gumbo the Container is automatically resized due to TextFlow's height but how this can be implemented in Flex 3.5 ?

 

Thanks in advance,

Mikhail Shevchuk

2681 Views   2 Replies   Latest reply: Mikhail Shevchuk, Mar 22, 2010 1:49 AM
 
Replies
  • Flex harUI
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    1. Flex harUI,
    Mar 19, 2010 9:28 AM   in reply to Mikhail Shevchuk
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    You will need to follow the recipe in the "creating custom components"

    chapter in the documentation and use UIComponent instead of a Sprite.

     

    If you get lost, look at the Flex 4 code for help.

     
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  • Mikhail Shevchuk
    Currently Being Moderated
    2. Mikhail Shevchuk,
    Mar 22, 2010 1:49 AM   in reply to Flex harUI
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    Well, I can build a textcontainer as a UIComponent, but how can I detect width and height of the TextFlow so I can set appropriate size in measure() method of that UIComponent.

     

    I guess this code should be implemented then in createChildren():

     

    _textFlow.flowComposer.addController(new ContainerController(_textContainer, canvLabel.width, canvLabel.height));

     

    _textContainer will be replaced with 'this', canvLabel.width with this.width, canvLabel.height with height, but how I set the correct size in this UIComponent?

     

    Thanks in advance,

    Mikhail

     
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