Actionscript 3.0 :: Checking If And Xml Node Exists?
Jul 25, 2009
I´m trying to check if one xml element has a child-element or not, i´ve tried things like if(myxml.doubtelement != null) ; if(myxml.doubtelement != undefined) ; and if(myxml.doubtelement != 'undefined') wich where the solutions i found in forums... but they don´t work at all. i´ve been looking at the xml methods and i found contains() method, but I found out that it works with the element content and not with the node itself.
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May 26, 2009
I have a gallery loading jpegs from an xml file into a mc called mainPicArea, on frame 5. I have other content on frames 1,2,3,4,6,7.
I want to run an if statement to check whether mainPicAreaexists and if it does, then run a removeChild(mainPicArea), and if not do nothing.
[AS]
if (MovieClip.mainPicArea){
trace("exists");
//removeChild(mainPicArea);
[code]....
When I test, it comes back with the trace "doesent exist", even though it does exist.
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Feb 15, 2010
I have a gallery loading jpegs from an xml file into a mc called mainPicArea, on frame 5. I have other content on frames 1,2,3,4,6,7.I want to run an if statement to check whether mainPicAreaexists and if it does, then run a removeChild(mainPicArea), and if not do nothing.
code:
if (MovieClip.mainPicArea){
trace("exists");
//removeChild(mainPicArea);
[code]....
this is my code. When I test, it comes back with the trace "doesent exist", even though it does exist.
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Feb 8, 2009
My page has 2 tab menus. When the page first loads, it defaults to the first tab, but when the second tab is hit, an image is loaded to the stage. I want to remove the image from the stage once the first tab is hit again.I keep getting the error "Access of undefined property Image1" but the whole point is to check if this child exists with the if statement.
//Tab 1
if (Image1 != undefined) {
stage.removeChild(Image1);
[code]....
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Jan 4, 2011
i have a function as following:
private function seatClickHandler(e:MouseEvent):void{
var check:Check = new Check();
if(e.target.contains(check)){
[code]........
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Aug 6, 2010
In my script I create a button that when clicked, creates a blue square. However, I want to remove any blue squares that exist before creating the new square (because as it is a low opacity square creating another one will make it more solid, as well it's just more objects that the system has to keep track of).Here is my code:.as
ActionScript Code:
package{
//importing required classes for this to work
[code].....
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Jul 12, 2007
How would you check if a file on a server exists and if not, check XX Times l8er again til ya find it and then go ahead with the script ..
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Sep 18, 2011
I am trying to check if a MC is on the screen but it says: 1120: Access of undefined property newBullet.
The code that is giving the error is in engine.as
Code:
if(stage.getChildByName(newBullet)) {newBullet.y = gtip.y;
newBullet.x = gtip.x;
}
gtip is an instance name of a movie clip that is in the character when it gets loaded.Here is the code from the files;
Engine.as
Code:
package code {
import flash.display.MovieClip;
import flash.display.Stage;[code]...
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Aug 13, 2007
My situation is thus: I have an XML file with entries, each of which contains a handle (linkage ID) to the movie clip that represents that entry onstage. So I dynamically load these symbols in from the library accordingly. Only problem is, I need to be able to count how many of those entries are valid, that is, how many of the XML entries have handles that actually do correctly correspond to the names of the symbols in the library. So right now in order to count the entries I am using the value of how many entries were in the XML file but this is wrong, I need a value of how many entries in the XML correspond correctly to a library symbol.
As it stands now, if all the names in the XML file match those in the .fla, all is good. Otherwise, issues. The thing is, I want this setup to be robust so the program takes responsibility and resolves issues if there are errors in the XML. Now, the only way I can see to fixing this simply, is if there is a way to check if a symbol exists in the library -- without actually trying to load it. That way I can count just those symbols from the XML file that also do exist in the library.
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Jun 11, 2009
in AS3 to check if a file exists before loading it. There was not very much about so I wrote these classes to do it. There are two classes, the FileLoaderUtils and the UtilEvent. the FileLoaderUtils has the function doesFileExist(url:String) and when called the class uses the URLStream class to attempt to load the file. If the file exists a UtilEvent.FILE_EXISTS event is dispatched. If the URL is incorrect or the file doesn not exist a UtilEvent.FILE_NOT_FOUND event is dispatched.
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Feb 10, 2010
I have a name for the object, but it doesn't seem to work.Anyone know why this doesn't work?
Code:
if (sprite) {
removeChild(sprite);
[code]......
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Oct 12, 2005
Is there any way to check if an external sound file exists? I've searched the net and found stuff on checking if files exist using LoadVars. But it doesnt work for sound.
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Apr 21, 2003
You all know the "loadMovie" command but is there a way to tell if the movie you want to load really exists? For example: I have a movie on my server names "asdf.swf" and I want to use loadMovie to open it. Well what If I want it to check if it exists before I try to load it? Also, can you load picture files to a movie? (gif/png)
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Nov 28, 2011
I'm attempting to make a platform game. Each level is contained within it's own MovieClip, which has it's own class. Each of these classes extend the Level class, which provides basic functionality for all levels.
Each individual level has a numPlatforms variable which stores the number of platforms in that particular level. I currently have a for loop that runs from 1-numPlatforms and sets the level area (the image, more or less) the platform contains:
[Code]....
Is there any way to check if a variable exists within a MoveClip? I've trying comparing it to null and also to undefined, but neither works.
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Dec 17, 2009
check to see if a node exists in an XMLList object. I have a list of objects to convert to XML, but if an xml entry already exists, then the following objects with the same name get added as children.
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Dec 6, 2009
I have a form that is being created at the point the user clicks on. The algorithm is checking to see if a form exists in the same spot- if it doesnt, new object is created, if it does- result is traced. If no objects are on the stage- a new object is added. For some reason in this code- I get no results for the Mouse_Down event on the form itself. Method being called in main timeline:
[Code]...
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Jan 14, 2010
I have an AdvancedDataGrid tree with a ArrayCollection as its dataprovider. Now, for instance, i drag a leaf from one node to another node. To catch the event I'm adding a Listener to dragComplete.
[Code]...
My Problem: I want to know the new node where the leaf was dropped. Actually i would have expected that in the event there is a property like dropParent. This is not the case.
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Jan 18, 2011
I have a tree im my mxml that uses a XMLListCollection as dataProvider. It´s XML is like:
<list>
<conta nome="Plano de Contas" id="1">
<conta nome="Creditos" id="2" />
<conta nome="Vendas" id="4" />
[code]....
How can I make the node for, say, id==4 visible AND selected?
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Sep 21, 2011
i have a question whether we can create a new xml node in as3 node containing dynamic value inside.....
as like if i want to get like..var newNode:XML = <IMAGE FULL="fullimages/3.jpg"THUMB="thumbnails/3.jpg"/>
where the images are dynamic values...
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May 26, 2005
I thought this was going to be easy! I would like to search an XML file for a particular data set i.e. set of nodes depending on a passed variable. However, storing a subset of my XML file via Code:var gallery = this.firstChild; and then searching 'gallery' as you would an array-using a for()-doesn't work since this.firstChild isn't returning an array
Code:
<gallery>
<collection title="Christmas 2004">
[code].....
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Sep 1, 2010
I've got some xml:
var xmlData:XML =
<1stNode>
<buttonID>first child node value</buttonID>
[Code]....
Then I want to read specific node value based on a value passed to a function. .
var buttonID = new Button;
var imageID = new Image;
var labelID = new Label;
[Code]....
I'm don't know how to get the value when node name is dynamically changed.
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Jun 24, 2008
just trying to get straight how this works. Say I create some XML like so:
ActionScript Code:
var sample:XML = <sample>
<items>
[code]......
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Jun 9, 2011
I would like to know, how to find weather the file exist or not. Other than loadvar method is there any other method is available.
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Jul 6, 2011
How do I know that the moviecilp exists or not by as3 ?
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Sep 8, 2009
Is there a way to see if a class exists? something like:
if( MyClass exist in the Library or has been imported in to the class ){
var myClass = new MyClass()
addChild(myClass);
}else{
trace("MyClass doesn't exist")
}
I'm not trying to see if it exists on the stage just want to know if I have access to it.
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Feb 29, 2004
Im gonna make an image gallery that loads thumbnails 1.jpg, 2.jpg 3.jpg..etc... into thumbnail mc's it creates, and when it gets to a number of a file that doesnt exist i want it to stop making thumbnail mc's. What AS could i use. As of right now it trys to load the jpg that doesnt exist and the preloader keeps going forever.
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Nov 13, 2007
Is there a way in flash to check to see if a function/method exists before calling it?
I tried something like if(typeof object.methodname == "function") and it didn't like it.
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Oct 30, 2010
I have a Dynamic text field embedded into a movie clip on the same frame different layer there is some action script. A series of If statements Which is basically to see if text field contains text so if it dosent contains text I can assign text to the text box
if(orderMenu_mc.Item2_txt.text == "")
{
emptyText = 2
trace(emptyText+"Hello")
}
There is no text. Yet the if statement is false. Is this a logic error or is there a better method of achieving this PS i have tried orderMenu_mc.Item2_txt.text.length == 0 which also evaluates to false when there is no text in the field.
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Aug 20, 2009
I am working on a software which takes .ppt as its input and produces .swf file as its output.
When I was dealing with fonts, I found there is slight difference between the representation of the text in .ppt and .swf though the font name and size are same in both.
The difference increses when I make the text bold or italic or both.
I want to know why such differerence exits?
And what should I do to make the.swf font representation same as that of .ppt?
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Apr 6, 2010
I have an input field that asks for a .swf name - you enter the name, hit SUBMIT, and Flash loads that .swf onto the screen.I've coded for an error to appear if the user doesn't input anything, but how to I test to see if the swf exists, and if not, return an error?I have a function called onSwfLoad that runs when the swf loader finishes, triggered by anEvent.COMPLETE in the swf loader event listener - is there something I can put in an if statement there to test if the swf loader found a file?
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