Flex :: Dynamic Datagrid Httpservice?
Jan 4, 2010
I receive from the httpservice with a certain frequency a string like this:1#3#234525234whererow#column#valueI want to display into datagrid the above string at real time; at the moment my code displays the whole string, composed by many strings like the one above.How can i solve the problem?I have the following code
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
xmlns="*" creationComplete="srv.send()" >
[code]....
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Jan 5, 2011
I am creating a Flex3 app to return some results from the Google Geocoding API. I am using the HTTPService Events sample from TourDeFlex as a reference guide to mimic. For now, I have hardcoded the response from Google to use this XML response: [URL] Network Monitor suggests that I am getting a valid response from the XML, but I imagine I have not referenced it correctly for populating my DataGrid?
[Code]...
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Mar 2, 2010
I am trying to create an desktop app where the user selects an XML doc via a FileSystemTree. Then at the click of a button, that xml doc selected will be loaded in as the XML doc of choice. So far I have it working only if i hardcode in the path, but i need to make it so that the user can select the file dynamically.
Code:
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
[code]......
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Dec 28, 2009
I have to populate an Advanced Data Grid which have the following fields: Continent->State->Society-->Actual Value-->Estimate Value I want to simulate a financial market so i have to change some of the values by asynchronous request from an HTTPService; If necessary i'll post the .as file, but it is generated automatically by Flex Builder.
Here's the code of the client side Flex/Air application:
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute"
[Code].....
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Dec 15, 2011
I have DataGrid with Dynamic Columns. The columns will contain ItemRendrer. I'm not familiar with dynamically adding ItemRenderer.
My code is:
var column:DataGridColumn = new DataGridColumn();
column.headerText = item;
column.width=150;[code].........
But when I add this I got an Error 1067: Implicit coercion of a value of type Class to an unrelated type mx.core:IFactory.
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Dec 17, 2009
Back again with another Flex question. I have an XML structure like...
[Code]...
Now I got his displaying on my grid by saying dataProvider=XMLListCollection... What I want to do is on selection of a row, check if it has "Address" tag, if it has display the other grid, else hide the grid.
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Jan 26, 2012
I am trying to create a datagrid in FLEX. The trouble is that I want it to be 100% dynamic - i.e. columns & data.
Basically I need to populate the datagrid via a result set from a database query, this data will be gathered via a standard java spring jdbc dao layer. The query is as generic as 'select * from tablename', so the result set can change from query to query.
My plan is to convert this result set into some form of java object, my initial thought is a Map of some kind that will contain the column name and values for a row.
The bit Im struggling with is that I need to convert this result set into a ActionScript object (via graniteds) that I can then use to populate a datatable.
I have seen lots of examples on how to dynamically add columns to the datagrid, and tie in the data via the datafield object - but Im stuck as to how I do this if I dont know how many columns I will have or what the column names will be.
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Aug 31, 2009
I'm trying to create a dynamic datagrid in Flex. The data is coming back fine and I can add the column headings. I need to do it this way as the column names are dynamic and coming from a mysql database.he values from re.result.resultSet.results[j].notes into the data fields?
<mx:Script>
<![CDATA[
import mx.rpc.events.FaultEvent;
[code].....
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Jul 17, 2011
I have a datagrid which displays details for a product. For a particular product i need to display its Id current status(Available/ Not) and which category it belongs to. The category part is a bit different from what it seems to be like. Product A can belong to Category A, B and C while product B belongs A ,c and D and so on. Structure of this table would be something like The category columns are retrieved from database and passed as parameter to construct the columns dynamically in Datagrid. I have defined the following Datastructure on UI to handle this.
Product{
var productId:String;
var productName:String;
var status:String;
var categoryList:ArrayCollection;
}
I am not sure if this will be able to solve my problem. I think I will need to have a Map containing category Names and if it is applicable for that product.
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Jun 4, 2011
I have a question about the Spark DataGrid and how it works in terms of garbage collection. What I'm finding is that if I dynamically add and remove columns from the DataGrid at runtime, the GridColumns and ItemRenderers never get freed from memory.
For instance, if I have a list with 10 items and I create 10 columns, there will be 100 ItemRenderers and 10 GridColumns. If I remove all of the columns, they are still there.
[Code]...
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Jul 5, 2010
I have a Flex client making RESTful calls to a webservice using HTTPService. The server is returning JSON responses, which we would like to compress. Can Flex using HTTPService handle gzip-encoded responses? If so, what steps are required to make it work (e.g., which headers to set, how to decompress, etc.)? If not, can you suggest a simple alternative?
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Jan 3, 2006
I am tryng to create a dynamic datagrid that receives dynamic columns:
PHP Code:
for (i=0; i<DadosModelos.total_produto_modelo_recebe; i++) {
var coluna:DataGridColumn = new DataGridColumn();
coluna.width = 75;
[Code].....
Now i want to add a row that receives a value for each column that i add dynamic above, i tried all but nothing..
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Oct 22, 2009
I'm trying to reuse the HTTPService object in a flex app but I'm running into a problem. In the handler for ResultEvent.RESULT I'm removing the listener, but it isn't removed. I've have to catch the asyncToken from send() and attach a new property so I know what it's supposed to do in the handler.URL...You can right-click and view source.Has anyone else run into an issue where listeners aren't removed? Should HTTPService not be reused?
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Nov 10, 2009
How can I set a progress bar that may start when an HTTPService is sent and stop when the HTTPService ends?I followed code given here but encountered following error Type was not found or was not acompile-time constant: ProgressWin.Don't know whether ProgressWin.mxml is a component or module or what. I just created a new ProgressWin.mxml file and pasted the code you posted but following error popped out before
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Mar 3, 2010
XML is cool in flex, but I have an annoying problem to solve, caused by what I can imagine is a feature. You see, when you have just one tag of something, it creates an object which is not an array. But when finds more than one, it puts it on an array structure.[code]I could check the format of resObj.specifictag (to check if it is has an array) and then duplicate the code (for each case). But -even if it's calling a function- I don't think it is an elegant solution.Well, I hope someone has a good idea on this matter. (I know from experience that SO has much more C++ experts than flex, but well...)The perfect thing would be that HTTPrequest handled every tag in a consistent way (using always arrays... though I'm guessing that that would also have its drawbacks).
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Jan 11, 2012
I'm getting an error after 30 seconds of execution of this service
<s:HTTPService id="svcList" url="http://localhost/index.php" method="GET" result="svcList_resultHandler(event)" fault="svcList_faultHandler(event)" requestTimeout="300">
<s:request xmlns="">
<mod>module</mod>
[Code]...
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Jun 2, 2009
Why are there two different HTTPService classes in Flex?thisandthisAnd the second one inherits the first one.Why couldn't there be a single class combining the two?
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Jun 10, 2009
I am using an HTTPService in my Flex application. I want to load several xml files, each about 1mb in size. Sometimes I need to stop loading previous xml file and start loading a new one. If I use HTTPService.cancel(); or HTTPService.disconnect() , it increase the time to get the answer from the server.Is there a quick way to stop the previous loading in HTTPService and start new one?
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Aug 28, 2004
I have a HTTPService:
<mx:HTTPService id="scoreService" url="http://" method="POST" result="onResult(event)">
<s:request xmlns="">
<name>{..}</name>
[code].....
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Feb 14, 2010
I've added an eventListener to the COLLECTION_CHANGE event that is fired when the grid is finished resorting the items in its dataProvider, after the user clicks on a column header:MyType (myDataGrid.dataProvider).addEventListener(CollectionEvent.COLLECTION_CHANGE,onDataGridResort);
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Mar 15, 2010
I am working on a problem since a week soon, but I still couldn't make it work as expected. I have a DataGrid which has HBox with a CheckBox an a Label as itemRenderer (see Code below). When I tap in to the Cell the standard itemEditor pops up and lets you enter the content of the label. Thats the standard behavior. I works fine except for 2 problems:
If I enter to much text, the horizontal srollbar pops up, and the cell is filled with that scrollbar. As you see I tried to set the horizontalScrollPolicy to off, but that doesnt work at all... I tried to do that for all the different elements, but the failure is still existent. When I have filled more than one row, there is an other mistake happening. If I tap on a row, the datagrid selects the one below that row. That's only if one line is already selected. If I tap outside the datagrid and then, tap at any row the itemEditor of the right row will show up... Is there anything now wright in the setup of my set data method?
package components
{
import mx.containers.HBox;
import mx.controls.CheckBox;
[Code]......
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Mar 24, 2010
From this (normal dataGrid)
into this (horisontal data grid)
How to turn Flex MXML DataGrid into something like Horisontal DataGrid? (may be some how with Flash builder 4?)
Keeping all stuff DataGrid has like eating data from data provider sortind dragging - droping items etc
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Oct 15, 2011
I have two datagrids:
- Division
- Members
Both have single columns. Selecting one item from Divsions datagrid should display members of that Division in the Members datagrid. But following code has some problem and Members of a particular division do not show up when respective Divsion is clicked.
Following are some snippets of the related code. Hope someone can spot an error in it.
[Code]..
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Jul 14, 2009
I am creating a RSS Feed application based on a data, and I have the following:
I have an ArrayCollection that is pre-populated with data. I am sorting through the ArrayCollection, get 1 piece of data (condition), and need to connect to an RSS feed which returns me the title, and I set my ArrayCollection in correspondence to condition -> title.
public function updateArrayList(list:ArrayCollection):ArrayCollection {
trace(list);
for(var i:int = 0; i < list.length; i++) {
//Alert.show(list.getItemAt(i).condition);
[Code]....
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Aug 21, 2009
I'm getting occasional ConcurrencyError faults when using HTTPService in Flex 3. I have four HTTPService objects, all configured with concurrency=single. I'm not sure though how to continue to diagnose, as I don't see in the FaultEvent what service object caused the issue, and I can't easily reproduce it on-demand.
One feature of my app is that I am also using a URLRequest to load a sound shortly after receiving a result from one of the HTTPService calls. Could this be related to the concurrency error?
The fault looks like this:
[FaultEvent fault=[RPC Fault faultString="Attempt to invoke while another call is pending. Either change concurrency options or avoid multiple calls." faultCode="ConcurrencyError" faultDetail="null"] messageId=null type="fault" bubbles=false cancelable=true eventPhase=2]
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Nov 11, 2009
I want to load data from a external XML file, using a HTTPService, and on the ResultEvent of the same HTTPService i want him to populate a ArrayCollection with the data from the XML.
I think a ArrayCollection is the ideal for this XML.
XML
<?xml version="1.0" encoding="utf-8"?>
<PhotoGalleryData>
<Photo>
[Code].....
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Nov 17, 2009
I am developing an AIR application with Flex Builder that requires me to make two HTTPService requests at the same time. They both use different instances of the HTTPService AS3 class. Both services are calling a RESTful API which is currently running on my localhost (XAMPP) and takes a few seconds to respond (much quicker on live server). The problem is that most of the time one of the calls fails, however occasionally they do both work. Its also random as to which call will fail. Both calls use code something like this. This code is basically repeated in two classes.
[Code]....
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Nov 23, 2009
I am new to Flex (FLex Builder 3.0), and I'm creating a simple application that would basically just authenticate to the Freshbooks API (www.freshbooks.com) via HTTPS. without sending anything else.
[Code]...
How do I code it such that the username (the authentication token given by freshbooks) would be sent to the server from within Flex itself and not the browser? My expected outcome is that there would be no pop-ups from the browser and whatever the freshbooks server returned would be displayed in the text area (txtArea1).
Note: If I input the authentication token to the browser pop-up, the application is able to correctly display the output to the text area.
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Apr 21, 2010
I'm having a problem refreshing an xml file. I am bringing it in through an HTTP service component and putting it into a bindable array _cattArr, that I am using as the dataprovider for a grid.When someone adds an item to the datagrid, it saves to the same xml file. Then I close the window, reopen it and don't see the item that has been added.It is writing to the xml file, because when I restart the flex app, the item has been added, it's just not refreshing it. I have tried to resend the httpservice, but still no luck. What is the correct process for doing this?
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May 8, 2010
I have an HTTPservice[code]...
I plan to add other variables to the output time, so need to access each time and worked separately. I may also need to return multiple responses each with their own worked and time values. How do I do that. I was thinking to not use XML. Is there a more lightweight option. Flex shows I have the following options: array e4x flashvars object text xml
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