ActionScript 3.0 :: Getting Label's Height To Determine It's Y Within A Class?

Aug 11, 2010

I got something like this:
 
var myClass:myClass = new myClass;
addChild(myClass.showLabel);
Then, inside this class there's this code:

[code]......

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I am trying to determine the height of a Spark label that becomes multiline at runtime (due to width property being set), to account for text overflow.

(For a spark label named Title) I have tried:

Title.measureText(Title.text).height - this seems to return only the height of one line. (Due to differing screen-sizes and font rendering, I don't know in advance how many lines the text would overflow to...)

Title.height - this seems to return the height of the label size (before being re-adjusted at runtime for multiline text flow)

Both properties above return an unchanging value even when different text lengths/multiple lines long are filled in .text

Is there really no way to determine the exact height of an overflow Spark label?

I am admittedly not that familiar with the Flex API but after scouring the manual for quite some time, I am still unable to place this title label with the proper spacing.

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I'm creating a number of text boxs through code. I want to space them out by determining the height (one, two, three, lines of text) and adding 24 pixels space. I highlighted the code in red thats not working the way I want. What other techniques could I use to accomplish this?

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I'm looping through a recordset, and for each item I create at runtime a spark Label and set the text property from a field of the recordset. The labels must have a fixed width and some text goes multiline. I want to arrange the label vertically so I need to know the height of the label so I can place the next label properly, but when I try to read this property, after the labels is added through the addElement mehtod, it returns 0.

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How do you determine the line height (in pixels) of the text in a Spark Label?

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i'd like to throw an argument error if a particular function doesn't work without a passed value that also happens to be a public constant of the class containing the function.is there anyway to determine if a class owns a public constant instead of having to iterate thru all of them? something like this:

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currently, for this functionality i have to write the city setter function like this:

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[Code]////

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I was wondering if there is a simple way for a function (in this case, an event's constructor) to obtain a reference to the object which called it?

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[Code]...

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I want to use height in [SWF height=200] for class variable.

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If I use the number, 200 instead of const SWF_HEIGHT, the compile error doesn't happen. But I don't want to write the same number on 2 places.

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Is it possible to change a frame label within a gotoAndStop('label') with the parameters in a function?I'm playing around with updating code as I learn more and more techniques, and at the moment the code is a basic click-a-button to select the object shape, and on press the button disappears:

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[code]....

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I want to constrain the height of a flex component to the height of the browser viewport.

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I've created a dynamic text field, and set autoSize to true, so it can grow was tall as necessary. I then want to use the _height value to size a container graphic (speech bubble). Here's the (simplified) code:

[Code]....

Returns 19.6 followed immediately by 35.2. It's as though reading txt._height causes it to recalculate, so it's correct the second time. I also tried the textHeight property, which also seems to get recalculated after _height is accessed. This sequence, for example:

[Code]....

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I have a problem with an flash object. The object is an expanding topbanner, but when retracted, the on mouse over effect still appears on the invisible part of the banner. The code is the following:

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I have tried to add a style height to the object with an height of 180px, but then the banner scales down.

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I made a scrollbar class that works pretty well. I'm trying to come up with an idea for how to set to the height of the scrollbar vs the height of the scrolling content. This is a standard thing that happen in the OS. Seems there should be a minimum number and the maximum value should be reached as the size of the content approaches the size of the visible area.

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I created a class, extended the sprite class, and now in the constructor I am trying to set the Sprite's width and height properties which are inherited from the DisplayObject. However, after I set this.width and this.height, and print the values, I get 0 for both.

What the heck is going on? When I view the livedocs I see that DisplayObject has width and height listed as public properties. I have been able to instantiate a Sprite directly, and set the width and height after it's been instantiated, so I don't get it.

package {
import flash.display.*;
public class ScrollBar extends Sprite {[code].....

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