Actionscript 3 :: Creating A Flex Skin By Copying Code A Bad Thing?
Oct 6, 2011
I've created a number of skins for various components recently. Some of these were for Spark components and the default behavior of Flash Builder is to take the source code of the original skin and copy into your skin as a starting point.
Normally, I am 90% ok with the original skin, I just want to tweak or add one little thing. It seems to me that duplicating 3 pages of source code to do this is a bad idea. What do I do when I upgrade Flex SDKs? Do I have to go back through the source of all these original skins and (re)compare? This sounds like a disaster.
Is there a way I can create a new skin in MXML that inherits from the old skin? Can I do this via ActionScript?
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Mar 29, 2011
[URL]..the animated glowing effect on the buttons. One, I can't get any mouse events to respond in the skin. I can't seem to find others with this problem. In the below code, startAnimation is never getting called when a mouse over occurs, but the event is apparently getting registered. To test this code, simply add skinClass="ButtonSkin" to a button declaration in your main application, the code below being the ButtonSkin.mxml file.
[Code]...
EDIT I found out why mouse events weren't firing. The button apparently has mouseChildren false by default, which specifically prevents events from firing lower than itself. Using parent.mouseChildren = true; in the constructor fixes this issue. On to the next part of the question: continuous animation.
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Aug 19, 2010
I have several skin parts defined in a custom component and I want to execute some code after all parts have been added.Currently, my only idea is to use if statement in overrided partAdded method to test if all parts have been added. Something like this:
override protected function partAdded(partName:String, instance:Object):void
{
super.partAdded(partName, instance);[code]....
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Mar 15, 2011
SkinParts are a great way to add event handlers and logic to an object that is instantiated in the skin, away from any business code. Often, though, I find myself wanting to do the opposite, and define parts that will be used in reusable, skinnable containers in the parent mxml files which will be inserted into the skinned containers.
What's the best practice for when you want to be able to define a control and a skin which can be reused with different controls inserted from outside the skin? Edit: A better way to put this might be that I want to use something that works a little bit like a SkinnableContainer, but that isn't limited to one area where content can be placed.
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Feb 10, 2012
I extend Button to create ImageButton, and I extend ButtonSkin to create ImageButtonSkin. But, when I define hostComponent like this:
public var hostComponent:ImageButton
I get an error that there is a conflict with hostComponent:ButtonBase inside the ButttonSkinBase. How do I extend a skin AND provide a new hostComponent for it?
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Oct 26, 2009
This bit of code works perfectly well in a test file with a single button[code]...
... but when I copy it into the file I'm working on, which has no other actionscripts or buttons, just a lot of animation I get this compiler error[code]...
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Mar 22, 2010
I need to copy image data from clipboard in my application therefore I need actionscript code, please send me some code to achieve this
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May 14, 2010
How can we embed the over,up,down etc skins defined as sybols in a .swf file... i mean in skin file how can i specify those symbols to be used as up,over,down skins.
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Jul 26, 2010
I am currently working on a projects that needs to have a custom flash skin player.I have tried copying and editing excisting skins, but when I export the swf and fla into the crrect folders, I am able to select it from the skin list- however it doesn;t show in the player.Am I exporting/ publishing this in the correct way and to the right folders?
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Jun 17, 2011
I'm building a videoplayer using the flvplayback component for flash cs5 the skin i'm using is SkinUnderAllNoCaption.swf.my question is how do I modify the code for the forward button currently the forward button scrubs the video file.I want the forward button to go to another video and for the rewind button to go to the previous video.
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Sep 9, 2005
A can't seem to get this creating movieclip thing, or attach movieclip. What I want is when a certain button is pressed, a MC in the library is created on the work area, at the mouse location and will continue to follow the mouse untill it is clicked. Once clicked, it stops dragging, but if clicked again, another MC on the screen will gotoAndStop(2); and so on. I have most of the script idea down. But I can't seem to get the create new MC to work.
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Nov 3, 2009
If you have two text areas with different styles (fontFamily, weight, color etc) and you copy text from one to the other it also copies the style from the originating text area. Is there any slick way to prevent that?
Here is a sample of code that will illustrate the problem. Type some text in the top box and some text in the bottom, then copy some characters from the top box to the bottom. I'm not using htmltext.[code]...
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Dec 7, 2010
ObjectUtil.copy is a good technique for copying Objects. But after having a lot of problems using it to copy other classes, I guess it is not the solution I'm after.How would you approach the copying/cloning of instances of a class that you've defined? Maybe defining a function withing the class to copy it?It is cool that most variables are passed by reference in flex, but sometimes is annoying not having control over this (sorry, I'm too used to plain C).
UPDATE: I can't make the ObjectUtil.copy() work with a custom class is... is there a way to copy, by using serialization, a custom class? Did you use successfully a ByteArray copy with a custom class?
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Oct 24, 2010
I'm working with video in Flex. I'd like to be able to pause the video at a certain point and copy the displayed frame as an image, and save it to a database. how I might copy a single frame from a paused video?
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Jan 28, 2011
I have an editable column in a datagrid. How do i copy the contents of that column into an array? The dataprovider for the datagrid is an array
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Jun 10, 2009
Why is it that, when I enable dragging-and-dropping in a TitleGrid, items are copied when they are dragged instead of moved?[code]When either of those items is clicked-and-dragged, it will get copied instead of moved.This is especially confusing because TileList is a decedent of ListBase, which DataGrid also descends from..But DataGrid does the right thing when dragging and dropping items.
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Jun 10, 2011
I'm using the default CS4 FLVPlayback skin, mainly the SkinOverPlayMute.swf. I know there's a skinAutoHide option, but because I don't want it to auto play, I want people to see a play button when they first encounter the video (so they don't think it's just an image). But the skin needs to hide when the video is actually playing (so the video doesn't get blocked by the controls).
In other works - when video isn't playing: skin showing; when video is playing: skin hide.
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Jul 21, 2011
I'm using drag and drop on a DataGrid to reorder items. However, when the user holds down Ctrl he can initiate a drag Copy operation. How can I disable copying altogether? (not just cancel the drop, but also prevent Ctrl + drag from showing the (+) icon)
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Feb 26, 2011
My client wants SteelExternalAll as the skin for her swf. It's not on the skinning menu in CS3. Is it possible to download it somewhere?
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Jul 25, 2011
I'm trying to change the background color on a textinput component in flex 4. I've been able to change some of the appearance by messing with the canned code flash builder generates for the sparkskin but for some reason, background does nothing.I'm just trying to make the background black. I changed the background color but it's not working:[code]
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Mar 12, 2010
what is the difference between skin and CSS??Why it is better to use skin over CSS in Flex.
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Apr 4, 2010
I have 2 skins, almost identical, but differ in 1 small way that can be accounted for if I could pass a Boolean to the skin while assigning it to the host component (a button).
<s:Button skinClass="MyBtnSkin" />
Is there a way while assigning the skin to the button, I could also pass a parameter to the skin somehow?
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Aug 1, 2010
I'm working on a Flex 4 application and I started customizing the interface with skins to give a whole new look.So, I've created two scrollbar skins in Flash Catalyst (one horizontal, one vertical).Its working great when I test the application through Catalyst so I took it and imported it on Flash Builder, copied the components and defined the new skins in my css file for the HScrollbar and VScrollbar.The skin is working, all the buttons are ok. But, the scrollbar isnt resizing for some reason. It remains in the same height I've designed it to be regardless of the content it is bound to.
It scrolls the content in all the ways it should be but it doesnt resize and the thumb isnt getting all the way down.Also I've noticed the following.I have a custom component acting as a list. It extends Group and contains a Scroller. So at one place of the application the Scrollthumb is getting lower than on another place where the same custom list is used.I also have to mention that this scroller works perfectly without a custom skin.
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Jan 20, 2011
How to set skin to null for button?
button = new Button();
button.useHandCursor=true;
button.buttonMode =true;
i want to set button.skin = null
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Jan 20, 2011
I am trying to add tooltip in the skin of button bar button but not able to do that, what to do?
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Apr 20, 2011
I am making an effort to optimize every part of our flex app (which is a small part of our app in general). Currently,I am working on optimizing all of the buttons/skins. I have linked a few of the buttons that I use, and some sample code I am using to generate them. As you can see,our buttons can be pretty different, but have a similar look and feel. Currently,I am creating 'stateful skins,' by setting up something like this:
skin: ClassReference('com.mysite.assets.skins.NavigationButtonSkin');
Then, NavigationButtonSkin looks something like this:
public class NavigationButtonSkin extends UIComponent {[code]....
I commented out some of the straight forward parts, but let me know if this is a bad/inefficient way of doing this - and how to improve.
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Jul 14, 2011
My current requirement: I have menubar with 3 different button types. Skin structure is simple: one label and two state graphics. So my base skin have label, and in overridden i want add two images. But flex docs states that overriding of skin is not preferred. I try override override public function addElementAt(element:IVisualElement, index:int):IVisualElement for adding new subcomponents to custom container sdk using it but my view is blank. Does skins are really not overridable? My current code:
<s:ButtonBar skinClass="MenuSkin" dataProvider="{content}" />
in MenuSkin:
...
<fx:Component id="firstButton">
[code]....
and next 2 skins have repeated <s:Label/> part. As label should look the same, naturally i want extend base skin class but it is no possible form me. First problem: if i add image in mxml it overlaps label.
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Sep 2, 2011
I have various components that are skinned through a programmatic skin. The skin class references a singleton class that holds various colors to be applied to different aspects of the component. The singleton class has default colors set to variations of black/grey etc. I'm loading in custom colors from an XML file that are then loaded into the singleton. I'm applying the custom skin through a css stylesheet that is included in the main Application mxml.
The problem is that when the swf initially loads, the components that are drawn on screen are black and don't reflect the changes in color loaded from the XML file. I have some dropdown windows that show on button clicks and those dropdowns do reflect the correct colors from the XML file. Therefore, the system is working correctly, but the initial drawing of components obviously happens before the XML is loaded and applied to the singleton.
My question is, is there a way to apply a skin to an element programmatically by calling the constructor?
I have this in my css file:
.PanControlsBackground {
borderSkin:ClassReference('skins.buttons.PanControlsBackground');
}
[Code]....
or something to that effect? This way, I can remove the loading of the skins in the css file and control when they are instantiated to ensure that the correct colors are applied before displaying the various components.
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Dec 28, 2011
How do I skin alert box in flex 4? I am not interested in customizing alert box via css, how do I create skin? For example, for TextInput I would write in css:
[Code]...
And get TextInput globally changed. How do I make something similar for Alert? I can't understand what is host component for alert.
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Feb 7, 2012
This is the question: How can i Skin the VScrollBar from a TextArea!? I did skin a VScrollBar from a Spark List and works fine but not this one!
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