ActionScript 3.0 :: Handling XML Empty Elements?
Jul 20, 2009
I've got a fairly simple flash app that searches an xml file and returns text listings of the content of the childnodes back to a dynamic text box for display. The xml file will be edited and managed by an outside user. It works great but if there's an empty childnode (element) it comes back in the list as undefined. I'd like to be able to leave the xml element format the same for the user whether it has text inside the element or not. If it's left empty though, I don't want it to show up. I've seen several ideas on how to handle this but was wondering what the best and most simple solution is.
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Nov 9, 2009
I'm working with SWFAddress and I have a split function but its also adding empty elements to my array which I want to remove or stop been entered in the array.
Code:
var str : String = '/home/'
var split = str.split("/");
trace("split = "+split.length);
tracer.text = split;
output : ,home,
As you can see the split is coming back with 2 empty elements in the array.The string value could change depending on what the user enters into the url for deeplinking. It could be var str : String = 'home' and this returns the correct value but if the add a slash I need to make sure that is not registered in my array as an empty value. how I could stop these empty elements from showing in the array?
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Oct 29, 2009
I have an array that when traced, lets say looks like
Code:
Carrot,Apple,Strawberry,,,Cantaloupe
I'm just wondering, what's the best way to tell if an element in an array is empty?
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Mar 3, 2009
I have a list of 99 item (something like a phone book) and I will like to sort them in different method. Part of the 99 item might be empty, so the requirement is to move the empty field behind the sorted data in every sorting behavior, here the code we have so far:
[Code]...
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Jan 26, 2010
Is it generally to position elements relative to other elements or in absolute values?
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Oct 1, 2009
does anyone know how to shift all the array elements by one or more without deleting the array itself?
Something like rotating the array:
1,2,3,4,5,6,7,8,9,10
10,1,2,3,4,5,6,7,8,9
9,10,1,2,3,4,5,6,7,8
8,9,10,1,2,3,4,5,6,7
7,8,9,10,1,2,3,4,5,6
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Jun 9, 2010
When i create a menu, the dropdowns go behind the flash element. But in some sites, like Digg, it is shown above. z-index is of no use
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Jul 10, 2009
I made a .as Class where some graphical elements are spawned into the stage. However, the Flash (.fla) have some internal graphics that are supposed to be over the graphical elements spawned from the custom class.I tried to make another layer over the layer where the as3 Class is being called, but unfortunately it doesn't do anything, the graphic from the .as still appearing over the internal .fla graphics.
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Feb 18, 2012
Is there a static property in Action similar to that in the String object in .net to check if a string is empty, that is String.Empty.
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Jul 27, 2009
I am trying to get metadate from my NetStream object and do things depending on what is going on. here is what I have, but I get an error I don't know what it means.
var customClient:Object = new Object();
customClient.onMetaData = metaDataHandler;
function metaDataHandler(infoObject:Object):void {
[code]....
The error I get is:Error #2044: Unhandled AsyncErrorEvent:.text=Error #2095: flash.net.NetStream was unable to invoke callback onMetaData. error=TypeError: Error #1010: A term is undefined and has no properties.
at AMG_ASP_ICS_072709_fla::MainTimeline/frame1()
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Apr 28, 2011
How do you communicate an error to the web service consumer ?
For example, my web service has a function to insert employee into db.Suppose while inserting the data , the database gave an error,what should be the best way to inform the user about the error.
One way is to depict it through the return value of the web service method but what to do when the function is supposed to return a complex object like employee when there is no error ,and will send an error string when there is an error ?
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Aug 22, 2009
I have a bit of code listens for a user to click a navigation item, however if they click another nav item then my code loads both of them and puts the content pages on top of each other.I am having loads of problems with this bit of code.
PHP Code:
private function _menuSelectHandler (event : MenuEvent):void {
if (! event.abstract) {
[code].......
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May 17, 2010
I have a problem with event handling. I'm working on a calendar, on which events can be listed. With actionscript i loop through an XML file with the days (and if there, the events for that day). So far so good. Where it goes wrong is this: I only want to display blocks with the day numbers on it. When you click on a day, a box pops up and shows the event's for that day.
This is what i did: created a movieclip with classname mc. loop trough the xml file and for each day create a new instance of mc with the day number as text on it. This al works, but now i want to add an eventhandler for each day. How to do this?
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Jun 29, 2009
I'm asking many questions these days but its really urgent
I am doing an application to load xml file into data grid and everything is done now. The only thing left is that i wanna make sure that if the xml file isn't there, the user will not have a runtime error.I have the following code to load the file.
var myXML:XML = new XML();var XML_URL:String = "questions.xml";
var myXMLURL:URLRequest = new URLRequest(XML_URL);var myLoader:URLLoader = new URLLoader(myXMLURL);
myLoader.addEventListener("complete", xmlLoaded);
i tried many ways i found on the net using try and catch but didnt work. Anyone can write me the peice of code to hande this error if the file is not there??
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Oct 1, 2009
Can I write more than one command in a script? I am having trouble making an if-code in Flash CS4.This code is working as I want:
stop();
instans1.onMouseDown = function (){
play();
[code].....
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Jan 5, 2010
If I have a graphic that is fully transparent in places, can I make only the non-transparent portions of the graphic respond to mouse clicks? I realize I can probably do this with a few lines of code, e.g. detect the click and then check the alpha value under the mouse. But I was looking for something simple. For example, in Director there is an "alphaThreshold" in a graphic that determines at what alpha value a bitmap will respond to mouse clicks. Does Flash / AS3 have a similar capability?
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Oct 27, 2011
I'm working on a game, that loads up external text files to create maps. There is a error if the player moves out of bounds, and there is no map to load. All I need is a sort of check to see if the text file actually exists, before loading it
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Jul 31, 2009
I'd like to arrange things so that I have a chain of keyboard event handlers in my flex application, all of whom are queried when key down events occur. Basically, when a visual component is on screen, it is a candidate for handling a key press event. Something like this (clearly this is pseudocode):
<application handles_keys="F5, F6">
<tabGroup>
<tab1 handles_keys="pgup, pgdn">
<control handles_keys="0,1,2,3,4,5,6,7,8,9" />
[code]...
I have a class written that will respond to the key events the way I want it to, so how do I register one or more instances of this class to have the results I want? Also, note that there are some situations where this class should receive events that would ordinarily be handled by a UI component. The TAB key is the main example; I have a few cases where I want my key down event handler to fire even when the focus is on a text field.
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Apr 1, 2010
We have a Flex client and a server that is using the Spring/Blazeds project. After the user logs in and is authenticated, the spring security layer sends a redirect to a new URL which is where our main application is located. However, within the flex client, I'm currently using HTTPService for the initial request and I get the redirected page sent back to me in its entirety. How can I just get the URL so that I can use navigatetourl to get where the app to go where it needs to?
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Feb 11, 2011
I am building a Flex application using Pure MVC pattern and Zend framework for calling php code on the server. I need to sync some data with my server which is using MySQL as the database. And there are 5 such tables I need to sync. So I call these php functions at regular intervals from Flex and use long polling on php side. The client side code for my subjects lies in 5 different proxies.
Should I send 5 separate requests from each proxy to call the php code which is lying in separate classes. Or should I build a separate proxy to send 1 request from 1 php file and then distribute this data among different proxies on the client side. Which one will be more effecient? Mathematics shows using separate proxies and php classes allow more number of users to be accomodated on the server.Can I write 1 SQL command to fetch data from all 5 tables given they cant be joined on any column?
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Jul 5, 2009
I'm building an application, where objects are attached on a canvas and the tree of that canvas is held on a tree component. Each time that i attach an object the tree adds a new child etc. I want to do this on the other way around.. I want to press a tree node and "communicate" with the specific object, so that i can change its color, delete it etc. I've tried some things but nothing happens!This is my code:
var working_space:XML = new XML();
working_space.addTreeNode("Canvas",0);
myTree.dataProvider = working_space;
[code]......
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Dec 29, 2009
I have a very simple Flash movie with multiple keyframes. Each keyframe has buttons which I'll be attaching event listeners.
I was hoping that I could add all event listeners to all buttons in all keyframes by using a document class. This works for buttons in frame #1, but anything else gets a null reference exception:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
I also tried adding a layer to the timeline that spans all keyframes and putting in the eventlisteners (and respective addEventListeners) there. Same thing - null reference exceptions for everything not in frame #1.
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Feb 10, 2010
I'm used to building web apps using proper architectures, but relatively new to the RIA space.One of the issues in rich client app is approaches to handling communication across components. (I've played around using the EventBroker concept.)In a recent Flex3/AS app I was looking at they took an approach that seemed to work pretty well, but I wonder about the drawbacks (or any other pros)...They took the concept of having a singleton object that would hold objects that could be used obviously from any components within the app by a simple call to...
var myAppModel:AppModel = AppModel.getInstance();
You thus could put any objects in there that you wanted access to from different components. It seemed to serve as the equivalent of a "Session" in the JEE space. I'm not so sure from an OO perspective it's the best thing to do, but it did seem to work pretty well.
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Aug 31, 2010
If you have a larger project, how do you manage your custom events, do you put all of them in a single class or make multiple classes?
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Oct 18, 2010
Have been dabbling with flash for few years, but would like to send data to external PHP file and would like flash to process response.The way I have it working is to register function for the submit button on the main stage where I have the form instance. However, when I do this, it stops rollover effects from working on submit button. (The button is actually a movie clip instead of straight forward button btw.)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
Form code below:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
[code]....
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May 19, 2011
on clicking the Search Icon , a search bar will be visible (ON) if user click anywhere on the stage the search bar will be NO visible(OFF) OR user click on ICON again the search bar will be OFF but it Stage CLICK is triggered without clicking
Code:
searchIcon.addEventListener(MouseEvent.CLICK, showSearch);
var srchBox:Boolean = true;
function showSearch(event:MouseEvent):void
[code]...
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Jun 10, 2011
I am trying to create an app that will read files form a local folder on a memory stick (flash drive) which the app will be on too, then I need to be able to move one of the files in this local directory to a specified folder on the system BUT there has to be a variable taken from a text input to complete something along the lines of
[Code]...
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Feb 4, 2004
I have a class with a XML object in it. In one of the class' methods, I tell the XML object to load a document. Before I do that, I set up the onLoad event to call one of the class' other methods. The problem is that in that handler function, I can't seem to access any of my class' data. If I try to use the "this" pointer, I'm getting the XML object not my class.
A simple example:
[AS]
class MyClass
{
var theXML:XML;
[code]....
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Apr 20, 2004
Data=["M", "XYZ", "1/1/00"]
Attributes=["sex", "name", "date"]
Search=["sex", "name", "date"]
var orignal="{sex}<b>{name}</b>{date}"
I am getting a string from XML file in the above format which i am storing in original varible. But at the time of showing the output, I want values of the variables ( {sex} ..those are in culy braces) to be displayed which are their in array Data....like for sex value is M ..for name it is xyz...etc...and the values should be displayed in a format defined in the strring....so how do i create a new string which would look like this...newstring="M<b>xyz</b>1/1/00"
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Nov 26, 2004
Code:
// msg_box_txt is a TextField for user input
// by hitting ENTER, it sends msg_box_txt.text
var my_listener:Object = new Object();
my_listener.onKeyDown = function() {
if (Key.getCode() == Key.ENTER) {
[Code]...
msg_box_txt should be cleared, empty, after hitting ENTER. the problem that it contains one empty line, and the cursor is at beginning of the second line. how can this be fixed??
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