Actionscript 3 :: Simplest Handling Of NaN In Bound Form Input In Flex?
Jan 24, 2011
How can I cause numbers with no value to show up blank instead of NaN on forms?Let's say I have a User class with an optional weight (kgs) value, of type Number. If I edit a User in Flex I get the user object from the server and bind weightInput.text to user.weight. If weight is null on the server it will be translated to NaN in Flex, and then the value of weight in the edit form showes up as NaN. That is really inconvenient, as I would like it to just be blank if it has no value.
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Jun 16, 2009
I just want to make the simplest possible form in flash.I tried to find this online, but the ones I can find are way too complex and elaborate.[code]when the button is pressed I want a php page to open open, that shows what ever was typed in "myText".it must be sent with POST, I cannot have the info visible in the URL.I already know the code to make a button work, (I put the sudo code of what i'm trying to do in it):[code]what is the actual as3 code, I would use to implement my pseudo code
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Jan 23, 2010
I am creating a component that will be a large plus or a large minus. I don't want to use a bitmap because even I can draw this using the Graphics class, but the component must be clickable (the Shape class is not). It will be part of an item renderer, so I want it to be as light-weight as possible. UIComponent does not seem to sent CLICK messages.
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Mar 4, 2010
I'm trying to create a form that based on the users input would determine how many forms to generate dynamically. I have a base state with a combo box that contains 1-4. Bases on the users selection I would like to have the next state generate the number of forms. So if you user selects 2 and click next - 2 copies of the form would be display.
I'm just wondering if this is possible how i would go about doing this or if any one knows of any examples?
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Feb 29, 2012
I have a form with a horizontal layout and with this TextInput:
<s:TextInput id="platformNameTI" showErrorSkin="true" showErrorTip="true"/>
I have a simple validator that just checks if there is something entered (required field). My problem is as the layout is horizontal, when an error occurred (required file missing), all form items are shifted because of the error icon. Is there a way to delete that annoying icon or force the component to not display it?
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Jan 28, 2009
I'm building a sidescrolling world where you can move around.The idea is that you should be able to move to any point in the world, as well as travelling really fast.I'm pregenerating a long list of data about objects to place, their positions etc.
Now. When moving to a point far away from current position I don't want to loop through the whole list of objects to find what objects should be seen and not, so I'm thinking I should divide the position list into sections, each covering an area equal to the visible area. That way I would only have to roll through the lists closets to the new position.This would however result in an array of thousands of elements each consisting of about 20 objects and I'm figuring that might not be very healthy.One solution would be to split everything up further so that in the end I would have a handable nr of arrays containing a handable nr of elements.
You're probably thinking I should generate positions on the fly, but since one place in the world can be revisited I need to store all positions.
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Jun 24, 2011
I am writing a class that will handle text input using a keyboard event attached to the stage (or it could be attached to a movieclip or something else). It will have many applications, but to give you a picture of something it might do, it could be used to input "cheat codes" where you type something and it updates a string variable. Then when the string matches some code it calls some function (and in this instance it may be annoying or impossible to use a textfield for this).It is pretty easy to take all the keycodes and convert them into text (or program whatever function they serve, like backspace), but it is also relatively time consuming. Is there an easier way, or does anyone know of someone elses class out there that does something similar?
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Apr 24, 2011
The problem I'm having with my simple flash program is, the array doesn't seem to care what I put in my text field it just generate one item. The idea is that you will get the number of oranges on the screen that you put in the text field. Once you click them all you will goto the win frame.
[Code]...
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May 23, 2010
I am a newbie in Flex development and using Flash Builder 4 with SDK 4. Now I get the error that "the prefix "fx" for element "fx:Style" is not bound" in line number 4.I searched for it, and it has sth. to do with namespaces, but I can not solve it by myelf.I have the file called "UserStory.mxml" in the directory "components" to place it via the main.mxml onto the screen:
<fx:Script>
<![CDATA[
import components.UserStory;
[code]...
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Mar 31, 2011
I have a window in which I want to add/remove component and resize the window accordingly based on states. but for some reason it's ignoring the first resize.here's a sample code
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
[code]....
when the state change to 'two', I want to add rect2 to display and increase the minWidth and size of the window. And when the state change to 'one', i want to remove rect2 from display and resize the window. This seems to work except the window doesn't shrink on the very first time the state change from "two" to "one" but works as expected afterwards. I'm not sure why it's ignoring first time I reduce the width. I also tried changing nativeWindow.bounds directly but that didn't work either.
Originally I just tried setting minWidth based on state (minWidth.one="450 minWidth.two="791") but that caused window to grow on left and shrink on right which caused the window to move left whenever the state changed. so then I just moved the window to right whenever state changed but that caused some flicker that I didn't want.
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Nov 5, 2009
I am working on a product options form whose contents should be cleared by a clearOptions() method each time the user adds an option. The option name TextInput is bound to a value object that is reinstantiated each time the the user adds a product option. The problem I am having is that the StringValidator fires each time the bound value object is reinstantiated.
[Code]...
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Jun 18, 2009
I've got a class like this:
class Foo extends UIComponent {
var someDispatcher:*;
...
}
And I want to listen for events fired by someDispatcher... But, of course, someDispatcher may not be bound until "later":
<components:Foo someDispatcher="{someOtherComponent}" />
What's the best way to listen for events from someDispatcher?I know I could bind to someDispatcher, then wire up the event handlers when it's updated... Or I could use getters/setters...
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May 14, 2010
I have an mx:TileList which is bound to an ArrayCollection.I have some code that displays a "Loading..." message before modifying the ArracyCollection and some code after that hides the loading message.For small data sets, it works fine. However, I noticed with an array size of about 50~ and larger, flex will hide my loading message before the TileList is finished rendering the new data and I'm left with a blank screen for an odd second.Is there an event I can listen to that is called after the TileList is finished re-rendering? Code looks something like this:
loading_message.visible = true;
for each (var x:Object in new_data) {
tile_list_data.append(x); // bound to my_tile_list component[code]..........
In this example, loading_message appear, disappear, and then the flex app will lag before finally revealing the updated TileList.
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Sep 30, 2010
On creation complete my parent component executes an "init" function which simply sets public bindable variables in child components. I'd like the child components to watch these variables and upon being set use them. However, for some reason the ChangeWatcher is not firing with the change of the variable. Below is my code;
Parent Component
private function init():void
{
userInfo.user = new User("Tom");
[Code]....
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May 1, 2010
I've got a class like this:
class Foo extends UIComponent {
var someDispatcher:*;
...
[code].....
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Feb 21, 2010
I have an ArrayCollection bound to an editable DataGrid, another component needs to know when the ArrayCollection changes (as a result of changes in the DataGrid) so it can also update itself, so is listening to the COLLECTION_CHANGE event of the ArrayCollection.
The problem is that the DataGrid only updates the ArrayCollection when the row being edited losses focus. This is not good for my app as a user could edit a column on a row and not click elsewhere on the table for a long time (causing the row to lose fucus), therefore the changes won't have propagated to the other parts of the application.
How can I make the data grid inform the ArrayCollection of a change every time there is a keyup event on a text input instead of every time a row looses focus?
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Apr 2, 2011
I get the webservice(spring WebService) response properly ,but the event.result object is null.I can see the SOAP response body in the event.message.body variable.
## Soap Response ##
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Header/><SOAP-ENV:Body><getUserUserTasksResponse xmlns="http://ws.burr.com/BurWS/9_0">
<foundTasks>
[code]...
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Oct 5, 2011
I have noticed two differences between spark and mx forms which are causing me some problems. It seems by default the mx forms are arranged to the label is above the form input item. In Spark they are arranged next to each other. Also the label in spark forms are bold by default.For example MX code could be
<mx:Form width="100%">
<mx:FormItem indicatorGap="0">
<s:Label text="label1"/>
[code].....
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Feb 20, 2011
I have a datagrid with an xmlListCollection bound to it:
<mx:DataGrid id="dgCompetente" includeIn="Competente" x="10" y="66" width="547" height="468"
change="dgCompetente_changeHandler(event)" dataProvider="{colCompetente}"
editable="false">
[Code]......
I want the selectedIndex to remain the same. So, if I delete item 2, the next in the list should be selected. The problem is that if I delete item 2, item 3 will be selected and I have no idea why.
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Feb 10, 2009
What is the simplest way to draw a 3d line? E.g. I want a vector from (0,0,0) to (50, 100, 50).Do I have to do it the old school way with maths or is there some new 3d drawing API? (I heard f10 had lots of new 3d stuff...)
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May 7, 2009
Basically I've created a simple flash form which is linked to a PHP processor to email to a client. I have both simple text input fields, and the ComboBox and DateSelector components from the flash CS3 menu.
Inputs from the text fields work fine and appear in the emailed form, I have set the var fields on these. However the ComboBox and DateSelector inputs don't appear, and i cant figure out how to set the var fields on these. How do you get the text/whatever is chosen from these components to actually appear in the emailed php form!?
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Nov 28, 2009
am sending one user object from java to flex using remote object,now i want to get each item from that array to display in text boxes...how can i do this ?
userInfo=event.result as Array;
<mx:FormItem label="FirstName" fontWeight="bold" width="325" required="true">[code].....
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Mar 5, 2012
I'm getting "Application descriptor file cannot be parsed" before I've done anything -- see screencast at I've spent several hours trying various dialog boxes within Flash to change air/publish settings, editing XML file by hand, trying to launch things using AIR SDK outside of Flash, googling for something similar, but I can't seem to come up with anything that works.I'm curious if other people follow the steps I followed in the screencast if they get different results. I think they must, as I'm just following the first couple of steps from
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Jun 5, 2009
I have built a form with flash cs3 and action script 3. The problem is that when a customer tries to use the form and clicks into one of the text fields it jumps back out! the funy thing is it only seems to happen after they have been to and viewed my gallery page which is xml ? I also changed the input fields from a component to a regular input field.
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Dec 7, 2011
I am a newbie still practising "Form-2-Email" kind of code with flash 8 AS2 . But in my case,(using the submit-form method) i am designing a scenerio where the user can request/submit for a change of password.In my code,i have the following textfields as input text boxes -> oldpass, newpass,rtnewpass,emailadd...n finally a dynamic textfield named status.text.my work isn't ready to run on a (php)server yet.But i have wrtten the codes to make sure the flash form is ready to send variables to Php.My problem is when i test the flash form,my dynamic text message "static.text" does not pop out the required "error messages" when users make a wrong entry. i dont know if i have been able to make my question clear enough but here is my code;
//This is te Function on my AS layer.........
serverFile = "mail.php";
function formValidationChecks() {
[code].....
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Apr 29, 2011
In Flash Pro, I drew a rectangle on the stage.In the first frame, I typed:
ActionScript Code:
addEventListener(MouseEvent.MOUSE_DOWN, method1);
function method1(e:MouseEvent):void
[code]....
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Feb 27, 2006
i'm trying to get a Flash form to test certain conditions, one of which is the full date (ie 2006 as opposed to 06), but the AS below (in bold) isn't working... does anybody know the right script?
on (release) {
if (!name.length) {
text.emailstatus = "please enter your name";
[code]....
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Oct 18, 2011
I have this flash form and it was functioning fine a minute ago, when you go to contact us and click contact us you will see the form only inputs in all caps and for some reason it will not let you type every letter it is driving me insane.
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Oct 9, 2009
I have a Input text area set up for a contact form. I want the area to display "Email", and for the alpha to be 50%. When you click on the text field to put in your email address, I want the original value to be removed and for the alpha to reset to 100%. I've been able to accomplish this fine so far using the code below; the problem is that I only want the value to become blank again if the user hasn't entered in information yet (this way if the user wants to come back and change something, it won't all be deleted when the text area is clicked on). I tried using an "if" statement, but Flash seems to just ignore it and perform the function either way.
Here is the code that I came up with:
email.text = "email";
email._alpha = 50;
email.onSetFocus = function() {
email.text = "";
email._alpha = 100;
[Code] .....
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Apr 16, 2011
Am facing issue with session timeout. Say for instance, the user logs into the application and he waits for 30 mins (session timeout time) and then tries to get a service through remote object.Ideally speaking, since the session has timeout the user shouldn't be able to hit the remote object, but this is happening the other way round.
[Code]...
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