Flex :: Tile Container - How To Better Organize Children
May 14, 2010
I'm using as container for my LinkButtons. I would like to know
1) How can I remove the space between the items in my Tile container.
2) How can I set dynamic width for my items (at the moment they all have the same width regardless the width of the included component)
3) How can I avoid to display scrollbars if the items are not included in the container
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Sep 15, 2009
The Flex tile containers will create and remove tiles as the data changes and seems good to use in areas where the content is dynamic. How to implement this functionality in HTML? I guess that we need to use some JS and/or CSS.
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Jan 27, 2010
I'm currently working on a custom component which extends Canvas (let's call it SuperCanvas) ; it's basically a container that let you zoom & pan its contents. It would be too long to explain why, but I can't use scrollRect, so I was forced to declare a Canvas object (called innerCanvas)... inside my SuperCanvas (I know, not very nice =/) I would like to know if there's a proper way to "redirect" the creation of my component's children in this canvas.
[Code]...
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Aug 9, 2010
If I have a container, and I set clipContent to true, how do I get the total height of the children inside it? Is there a method for doing this without itinerating through every child and summing the heights?
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Oct 5, 2010
I'm using an accordion container that has it's creation policy set to auto. One of the accordion's children is a spark border container that has a data grid within it. Currently, I'm using the data grid's creationComplete property to call a function; similarly, I'm using the dragComplete property to call another function.
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Mar 30, 2011
I have a VBox inside a Canvas. The 'red bars' are custom components based on 'Canvas'. All red bars are of equal height. I have 20 red bars inside the VBox. The scrollbars visible in the screenshot are the Canvas's scrollbars. The scrollbars of the VBox are disabled using verticalScrollPolicy = off.
Without scrolling, only 16 red bars (and a part of the 17th bar) are visible. However, when I scroll down the Canvas I expect to see the remaining red bars - but the bars that are not visible when the application starts don't get 'drawn'. What am I doing wrong? I want the user to be able to see the 17th - 20th bars when the Canvas is scrolled down.
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Feb 11, 2010
Is there an easy way to make a parent container (eg Group) resize when it's children resize?
Below is a little example app. When I put the 200x200 'food' in the 'stomach' the stomach & it's containing 100x100 'body' should resize to contain the food.
[URL]
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
[Code]....
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Mar 18, 2010
If I've got a Container with a child component that is off either the top or the left hand side:
Is there any way to get scroll bars to show up? ie, so I can scroll up and get the button back in view, the same way I could if the button was off the bottom right side?
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May 13, 2011
I have code like the following:
<s:VGroup gap="10" id="group" height="100%">
<s:Label text="This is page 2" />
<s:Button content="Resize Canvas" click="resize(event);"/>
<mx:Canvas id="photoCanvas" color="#567898" backgroundColor="#125567">
</mx:Canvas>
</s:VGroup>
I don't understand why the following does not work:
Pushing the Button resizes the photoCanvas's height (gets taller or smaller). Since the photoCanvas control is a child element of the VGroup shouldn't the container update itself to the new height? The Vgroup has ALWAYS the same height, no matter what the (total) height of the children is! I would like the VGroup to adjust itself and get a height value equal to the sum of its children heights. Is this not possible??
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Aug 17, 2011
Flex's new States re-parents visual items that are marked with includeIn/excludeFrom. If I have a Group (MainGroup) with 5 children/elements that are state controlled, is there still a way to get a reference to MainGroup's children? mainGroup.numChildren and mainGroup.numElements don't work since the children are re-parented. At best, they show 1.
<s:states>
<s:State name="view1State" />
<s:State name="view2State" />
<s:State name="view3State" />
[code]....
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Feb 21, 2012
I need to resize a Group using myGroup.height = 0. And it works, but myGroup's children are still visible, I do not know why...
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Feb 24, 2011
I have a custom component extending Group and containing a viewstack child. The component is coded in actionscript.
When instantiating the component in mxml like so:
<components:CustomGroup width="100%" height="100%">
<mx:HBox backgroundColor="0xDDFF11" width="100%" height="100%" />
<mx:HBox backgroundColor="0x22DD63" width="100%" height="100%"/>
</components:CustomGroup>
...I would like to override whatever function that adds the children to the parent Group and add them to the child viewstack instead but I can't seem to find where the adding occurs. Breakpoints in addChild and addElement shows that they are not called during the add.
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Jul 12, 2011
I have a little trouble in managing the children my container. The fact is that it has a lot of children and their y coordinates are very random.
Is there anyway i can order them by y coordinates that the lower will be in the front and the higher with be in the back?
is it something that that I can do with 2 "for"?
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Oct 2, 2008
Well I'm starting to really enjoy AS3, my next question then is this: In AS2 I'd often remove all movieclips with something like this:
PHP Code:
for(var i: String in container) {
container[i].removeMovieClip();
}
Is there something similar in AS3 that I can do without resorting to maintaining an array of references to each child of my container?
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Jul 12, 2011
I have a little trouble in managing the children my container. The fact is that it has a lot of children and their y coordinates are very random.
Is there anyway i can order them by y coordinates that the lower will be in the front and the higher with be in the back?
View 2 Replies
Oct 5, 2009
I am having trouble determining where to add my removeChild() statement to clear multiple movieClips from a container mc. I know I need to determine if the container movieclip contains anything. I don't know how or what I should put and where to put it. If I can determine if my container mc has movies in it, I am assuming I can just declare it again (i.e
PHP Code:
panel= new MovieClip();
)to clear it. Am I correct?
[code].....
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Feb 9, 2009
At one point in my script I'd like to check a MC for the number of children and limit this number to 3. For that I use this script:
Code:
if (container.numChildren > 3){
for (i = container.numChildren; i > 3; i--){
container.removeChild(container.getChildAt(i-1));
popError('Horizontal nur 3 Elemente!');
}
}
This somehow works fine if there are 4 or 5 children in the MovieClip, but as soon as there are 6 or more, it throws an Argument Error #2025 and does not remove anything. BTW it does not make difference if I use container.removeChildAt(i-1);
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Mar 24, 2009
i'm getting the #1010 error... code below:
Code:
var curProject:int = 0;
var curExample:int = 0;
var container:MovieClip = new MovieClip();
im.addChild(container);
[Code]....
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Mar 20, 2010
I can't come up with a function that will collect the names of the children in a object container and put them in a array.
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Jul 5, 2011
is it possible to retrieve all children of a certain type from a parent in actionscript 3? i only see getChildAt,getChildByName, is there a getchild of a certain type like get all childs of object type:Food?
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Jun 22, 2009
How do I remove all children from a display object container? I want to make sure that when I re-enter a particular frame that there are no imageLoaders loaded into my photoGallery.
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Jan 15, 2010
What's the best way to scale a container mc but not scale the children inside it? Basically I have a box mc with a background colour, with a logo added using addChild, if the user changes the browser size the box scales to the height of the window but it's also scaling the logo, I just want to change the height of the container box really.
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Jun 17, 2010
I'm trying to avoid the scroll bar appearance on an UIComponent. Is there any way to obtain the computed width/height that my container component should have to have all children visible? I don't want to compute it myself. I would like to know if there is any variable computed by the component when it decides if it should draw the scroll bar or not.
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Feb 15, 2009
I have a container object that i add children to. I want to change the height & width of the container without the children scaling. In this case I draw a rectangle in flash which I'll use as the container object then export for AS.
[Code]...
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Apr 19, 2011
I'm making a game where you place tiles on a grid. When placing a tile, I need to check the existance of another tile to the left, right, or above and below, otherwise the tile should not be placed.. Here is a function I thought would work, that accepts one variable (the position of the tile just as it is about to be placed) :-
private function checkSurroundingTiles(gridPosition:uint) { var t1 = gridPosition - 12; var t2 = gridPosition - 1; var t3 = gridPosition + 1; var t4 = gridPosition + 12; for(i = 0; i < gridRefArray.length; i++) { var checkTile = gridRefArray[i]; if(checkTile == t1) { return true;
[code]....
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Jun 28, 2010
I'm preparing to reorganize & refactory a Flash Builder application. The goals of the reorg are 1.) keep compile times for the part of the project I'm working on as fast as possible, 2.) keep the unrelated parts separate for code reuse. Goal #1 trumps goal #2 if there's a trade-off.
Currently, the app has assets in one project, core functionality AS3 in another project, and the MXML in a third project that links to the other two.
Would moving resources/code into swc libraries help compile time? What about compiling assets into an swf and embedding that into the main application?
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Jul 2, 2011
In a Flex Mobile project I have a simple itemRenderer where I'm trying to create an "bubble" texting effect, similar to ichat or iphone (just so you get what im going for). But if the text is longer than the screen it runs off, rather than just going down a line.
If I set Group thats holding the rectangle(to create the bubble effect) and the label to 100% it works and keeps it from exceeding the list containers bounds, BUT the group is always at 100% and looks bad, I'm trying to keep the "bubble" JUST AROUND the text.
Anyway so, at the top of my itemRenderer I tried specifying:
<s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" width="100%" height="100%">
And here's my layout I figured since msg_container has a width of 100% I was hoping bubble_lable_group would just not exceed that but...it doesnt...it just runs off. I tried setting a max width but that does not allow you to input percents. And just to say it 1 more time. I know if i set bubble_lable_group width to 100% it works, and keeps it from going off the edge, but then the rectangle "bubble" stretches all the way across and just looks bad.
<s:VGroup id="main_container" horizontalAlign="left" paddingBottom="10" paddingTop="10"
verticalAlign="top" width="100%">
[Code]....
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Mar 10, 2010
I have a Canvas which has many components inside it and those again, have many components inside them.
getChildren() returns only the top level children. What is the best way to retrieve all the children (children of children of children and so on).
Well, I sorta know how to do this by iterating through the children, but the code is really messy. I'd prefer to use a nice recursive function. Has anyone written this before? Or is there a Util class to do this?
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Oct 28, 2011
I have an ArrayCollection that is read to generate containers in an accordion programmatically:
<s:ArrayCollection id="_ac_ps">
<fx:Object label="Block and lot" data="_blocklot" searchType="districtblocklot"
info="" />
[code].......
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Sep 21, 2011
I have a loop that goes through data from a book and displays it. The book is not consistent in it's layout so I am trying to display it in two different ways. First way(works fine) is to load the text from that section in to a panel and display it. The second way is to create a new panel (panel creates fine) and then add collapsable panels(nested) to that panel. Here is the code from the else loop.
else if (newPanel == false){
// simpleData is just for the title bar of the new panel
// otherwise the panel has no content
[Code]....
The error I get is: ReferenceError: Error #1069: Property panel4.4 not found on components.readTest and there is no default value.
I have tried setting the "name" property instead of the "id" property.
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