Another ComboBox implementation, #1

I'd like to propose my implementation of ComboBoxControl to those
who need to show textual/meaningful representation of somehow
coded
database column. In my case, column contains reference to row
identifier in another table. This is usual foreign-key
constrained
relation.
Please don't try to use the control 'as is', because in
goDataSource()
method it contains code for my environment only (just comment
it).
Those who have experience in Oracle PowerObjects will find
similar
properties and methods with OPO's PopupList control. I think it
was
enough convinient.
I'll be glad to get any suggestions to improve the code.
(Sorry for size of the message - class is 17K long.)
The following code shows how to use this class:
MyComboBox cbxCounName = new MyComboBox();
cbxCounName.set_DataSource(Res.A06_A1COUNT_SCHEMA+"."+Res.A06_A1C
OUNT_TABLE);
cbxCounName.set_Translation("ID AS \"ID\", NAME AS
\"ITEM\"");
cbxCounName.set_OrderBy("ORDER BY 2");
cbxCounName.set_GoDataSrcClass("a06oltp.FrmA1Count");
cbxCounName.set_GoDataSrcInParMode(MyComboBox.GO_BY_NAME);
cbxCounName.set_Db( get_DbAccess() );
cbxCounName.updateList();
// The method myComboBox.setDataItemName() fires:
// -> myComboBox._sourceControl.setText()
// -> myComboBox._sourceControl_changedUpdate()
// -> myComboBox.setSelectedById()
// So, popup-lists for cbx must be initiated already.
cbxCounName.setDataItemName( rowsetFullName+"/COUNID" );
#2 follows >
null

Hi Sandy,
I'm sorry but I think that these general question on the implementation is maybe a bit to complex to handle it in this forum. From my point of view I would recommend you to get in contact with an experienced consulting organisation which will help you to setup your system according to your requirements.
Best regards,
Christoph

Similar Messages

Is mx4j-admb.jar required if using another JMX implementation?

In Appendix F, the documentation states that neither mx4j-jmx.jar nor
mx4j-tools.jar are required if using another JMX implementation. However,
I'm wondering if mx4j-admb.jar also is not required if using another JMX
implementation. Could someone clarify this?
Thanks.
;ted

Hi Ted,
It depends on what version of Kodo you're using. Older versions (pre
Kodo 3.2.0) do still require the mx4j-admb.jar. Newer than 3.2.0 do not
require any mx4j-* jars to work with other JMX implementations.
Thanks,
Greg
Ted M. Young wrote:
In Appendix F, the documentation states that neither mx4j-jmx.jar nor
mx4j-tools.jar are required if using another JMX implementation. However,
I'm wondering if mx4j-admb.jar also is not required if using another JMX
implementation. Could someone clarify this?
Thanks.
;ted

Problem in popultating combobox based on input from another combobox

i have there combo boxes when i select the first combobox ,based on the input given it must populate the second and based on the input in second combo box it must populate the third one.1->2->3.
Actually i am having a javascript when i select the data in first combo box the information is sent to specified jsp page with parameter using onchange function and the second combo box is poplated based on the first but the third combo box in not populating based on the second.
here is my code:
jsp:
<select name="recrClient" class="selectBox" id="recrClient" onchange="htmlData('BSTSRecuritmentContacts.jsp', 'client='+this.value);">
javascript
function stateChanged()
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
document.getElementById("contacts").innerHTML= xmlHttp.responseText;
else
//alert(xmlHttp.status);
// Will populate data based on input
function htmlData(url, qStr)
if (url.length==0)
document.getElementById("contacts").innerHTML="";
return;
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
alert ("Browser does not support HTTP Request");
return;
if (url=="BSTSRecuritmentContacts.jsp")
url=url+"?"+qStr;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true) ;
xmlHttp.send(null);
if i use the same method populating the third combo box, this is not working
please reply me and thanks in advance

Hi there,
What about this:
Create a multicube with 0PA_C01 and 0PE_C01 and then you create one key figure with the total of employes (that comes from 0PA_C01) and another key figure with the total number of employes that had training (that comes from 0PE_C01) and finally you create a calculated key figure at query level that subtracts the first key figure by the second, i.e., the total number of employees - the employees that had training.
Diogo.

Fill a combobox dynamically on selecting rom another combobox

Hello,
In my JSP, I hace 2 combo box, 1 with single selection (typeCmb) and 1 with multiple selction (itemsCmb).
On selecting a item from typeCmb, I want to load contents of itemCmb. The contents of itemCmb will have to loaded dynamically. I can't get the concept to implement this. Can anyone help me how to achieve the goal. Both items belong to same form.
Any help is appreciated.
Thanks,

Then what do I do. This is what I have coded :
   function selectionType() {
        document.sendform.listSelect.options.length = 0;
        var index = document.forms[0].emailtype.selectedIndex; // Index of emailtype
        var data = document.forms[0].emailtype.options[index].value;    // Value of emailtype
        <% String s="";
            int j = 0;    %>
        if (data == "TestMail") {
           size = <%=testUsers.size()%>;
           ai = 0;
           <%
            s = "";
            AdminUserBean ab = null;
            for (j=0; j < testUsers.size(); j++) {
                 ab = (AdminUserBean)testUsers.get(j);
                 s = ab.getUsername() + " : " + ab.getEmail();
            %>
                document.forms[0].listSelect.options[ai] = new Option("<%= s%>", "<%=ab.getEmail()%>");
                ai = ai + 1;
            <%
                ab = null;
            %>
        } else if(data == "CampaignMail") {
           size = <%=domains.size()%>;
           ai = 0;
           <%
            s="";
            for (j=0; j < domains.size(); j++) {
                s = domains.get(j);
            %>
                document.forms[0].listSelect.options[ai] = new Option("<%=s%>", "<%=s%>");
                ai = ai + 1;
            <%
            %>
<select onmouseout="window.status=''; return true;" onmouseover="window.status='Select Mail Type'; return true;" onchange="selectionType()" style="width: 270px; font-weight: bold;" name="emailtype">
     <option value="TestMail" selected="true">Test Mail</option>
     <option value="CampaignMail">Campaign Mail</option>
</select>Edited by: TruptiD on Jul 29, 2010 1:43 AM

ComboBox inside another ComboBox

Hi all
I want to create some component having similar functionality as "Start" button in Windows i.e. combo box with another combo box inside but it can be located anywhere on the screen.
Which component can I use??
May be some code examples???
Thanks,
TTauruSS

It can be PopupMenu or something else but I need to display it inside the frame not in the menu,
e.g.
fram.getContentPane().setLayout(null);
JPopupMenu menu = new JPopupMenu("Menu");
menu.add(new JMenuItem("First");
menu.add(new JMenuItem("Second");
menu.setBounds(100,100,100,30);
frame.getContentPane().add(menu);
This code places the menu at the top left corner and not according to the bounds set.
Thanks,
TTauruSS

Just another Tetris Implementation

Again.... a tetris clone
http://dagaenzele.tripod.com/files/tetris.zip
Download the zip-file, extract it and start the jar-file with "java -jar tetris.jar"
I only tested it on win2k and winxp. There might be a problem locating the images since i haven't fully implemented my "ressource-locator thing" yet.
Feel free to have a look at the source code or modify the images. the design is still under construction
If it works: just use the arrow-keys to navigate through the menu. there is no mouse support yet
thanks for your reply

(aka implementations :P) Is that the wrong word? English isn't my first language.
Your clone is nice too.
If you could make the mousepointer stop flickering it would be perfect :)
no need for all those fancy graphics and fullscreen mode... mine is MUCH better, and its a applet too! lolsorry your link seems to be broken.

ComboBox issue

So I am sure Jonathan groans when he sees my name pop up, but I found another ComboBox issue and I am looking for help finding a workaround.
(I opened a JIRA - http://javafx-jira.kenai.com/browse/RT-27654)
Seems that calling clearSelecion() on a ComboBox disallows selecting the same item that was selected when the clearSelection() was called. In my sample code, if you
1) select 'a' - 'a' displays
2) click reset button - 'a' disappears
3) select 'a' - 'a' does NOT appear and it should
The issue is major when the combobox only has a singe item
package javafxapplication2;
import java.net.URL;
import java.util.ArrayList;
import java.util.ResourceBundle;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.ComboBox;
* @author user
public class SampleController implements Initializable {
    @FXML
    private ComboBox<MyObject> cb;
        private ObservableList<MyObject> myList = FXCollections.observableList(new ArrayList<MyObject>());
    @FXML
    private void handleButtonAction(ActionEvent event) {
        cb.getSelectionModel().clearSelection();
    @Override
    public void initialize(URL url, ResourceBundle rb) {
        MyObject a = new MyObject("a", "A");
        MyObject b = new MyObject("b", "B");
        MyObject c = new MyObject("c", "C");
        myList.add(a);
        myList.add(b);
        myList.add(c);
        cb.setItems(myList);
    class MyObject {
        String key;
        String Value;
        public MyObject(String key, String Value) {
            this.key = key;
            this.Value = Value;
        @Override
        public String toString() {
            return key;
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.collections.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<AnchorPane id="AnchorPane" prefHeight="200.0" prefWidth="320.0" xmlns:fx="http://javafx.com/fxml" fx:controller="javafxapplication2.SampleController">
<children>
    <ComboBox fx:id="cb" layoutX="82.0" layoutY="78.0" prefWidth="160.0">
      <items>
      </items>
    </ComboBox>
    <Button onAction="#handleButtonAction" layoutX="130.0" layoutY="137.0" mnemonicParsing="false" text="Reset" />
</children>
</AnchorPane>

Hi. Here is a workaround.
//Modified initialize method. Added a null object to the list:
@Override
    public void initialize(URL url, ResourceBundle rb) {
        MyObject a = new MyObject("a", "A");
        MyObject b = new MyObject("b", "B");
        MyObject c = new MyObject("c", "C");
        myList.add(a);
        myList.add(b);
        myList.add(c);
        myList.add(null);
        cb.setItems(myList);
      Modified handleButtonAction(ActionEvent event) method:
private void handleButtonAction(ActionEvent event) {
         cb.getSelectionModel().selectLast();
         cb.getSelectionModel().clearSelection();
    }

Getting a variable value from another class

Is there any way to get the value of a variable from another class? I have a file that calls another that does some checking then gives a true or false. The place the checking is done is inside an ActionListener I want to use that value in the file that calls the second. Any help would be great.

in 'another class', implement a method,
public boolean isCheckedOutOK( Object obj )
do the comparison in that method (use a suitable argument)

Error while creating a custom combobox for Spark DataGrid

I am getting the following run time error:
Error: Required skin part openButton cannot be found.
    atspark.components.supportClasses::SkinnableComponent/findSkinParts() [E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\componen ts\supportClasses\SkinnableComponent.as:671]
    atspark.components.supportClasses::SkinnableComponent/attachSkin()[E: \dev\hero_private_beta\frameworks\projects\spark\src\spark\components\ supportClasses\SkinnableComponent.as:646]
    atspark.components.supportClasses::SkinnableComponent/validateSkinCha nge()[E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\com ponents\supportClasses\SkinnableComponent.as:406]
    atspark.components.supportClasses::SkinnableComponent/commitPropertie s()[E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\compo nents\supportClasses\SkinnableComponent.as:420]
     atspark.components.supportClasses::ListBase/commitProperties()[E:\dev \hero_private_beta\frameworks\projects\spark\src\spark\components\supp ortClasses\ListBase.as:808]
    atspark.components::List/commitProperties()[E:\dev\hero_private_beta\ frameworks\projects\spark\src\spark\components\List.as:954]
    atspark.components.supportClasses::DropDownListBase/commitProperties( )[E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\compone nts\supportClasses\DropDownListBase.as:504]
    atspark.components::ComboBox/commitProperties()[E:\dev\hero_private_b eta\frameworks\projects\spark\src\spark\components\ComboBox.as:644]
    atmx.core::UIComponent/validateProperties()[E:\dev\hero_private_beta\ frameworks\projects\framework\src\mx\core\UIComponent.as:8095]
     atmx.managers::LayoutManager/validateClient()[E:\dev\hero_private_bet a\frameworks\projects\framework\src\mx\managers\LayoutManager.as:934]
    atmx.core::UIComponent/validateNow()[E:\dev\hero_private_beta\framewo rks\projects\framework\src\mx\core\UIComponent.as:7953]
    atspark.components.supportClasses::GridLayout/layoutItemRenderer()[E: \dev\hero_private_beta\frameworks\projects\spark\src\spark\components\ supportClasses\GridLayout.as:1808]
    atspark.components.supportClasses::GridLayout/createTypicalItemRender er()[E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\comp onents\supportClasses\GridLayout.as:460]
    atspark.components.supportClasses::GridLayout/updateTypicalCellSizes( )[E:\dev\hero_private_beta\frameworks\projects\spark\src\spark\compone nts\supportClasses\GridLayout.as:514]
    atspark.components.supportClasses::GridLayout/layoutColumns()[E:\dev\ hero_private_beta\frameworks\projects\spark\src\spark\components\suppo rtClasses\GridLayout.as:570]
    atspark.components.supportClasses::GridLayout/measure()[E:\dev\hero_p rivate_beta\frameworks\projects\spark\src\spark\components\supportClas ses\GridLayout.as:230]
     atspark.components.supportClasses::GroupBase/measure()[E:\dev\hero_pr ivate_beta\frameworks\projects\spark\src\spark\components\supportClass es\GroupBase.as:1109]
    atmx.core::UIComponent/measureSizes()[E:\dev\hero_private_beta\framew orks\projects\framework\src\mx\core\UIComponent.as:8383]
    atmx.core::UIComponent/validateSize()[E:\dev\hero_private_beta\framew orks\projects\framework\src\mx\core\UIComponent.as:8307]
    atspark.components::Group/validateSize()[E:\dev\hero_private_beta\fra meworks\projects\spark\src\spark\components\Group.as:956]
    atmx.managers::LayoutManager/validateSize()[E:\dev\hero_private_beta\ frameworks\projects\framework\src\mx\managers\LayoutManager.as:659]
    atmx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\hero_priv ate_beta\frameworks\projects\framework\src\mx\managers\LayoutManager.a s:793]
    atmx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\h ero_private_beta\frameworks\projects\framework\src\mx\managers\LayoutM anager.as:1157]
Here is my combobox:
package
    import mx.controls.listClasses.BaseListData;
    import mx.controls.listClasses.IDropInListItemRenderer;
    import spark.components.ComboBox;
    public class sparkComboRendererDataGrid extends ComboBox implements IDropInListItemRenderer
        public function sparkComboRendererDataGrid()
            super();
        public function get listData():BaseListData
            return null;
        public function set listData(value:BaseListData):void
        override public function set dataProvider(value:Object):void
            super.dataProvider = value;
            // This may get called before dataProvider is set, so make sure not null and has entries
            if (value!=null && value.length)
                // Got it, set flag
                bDataProviderSet = true;
and here is the implementation:
var PersonnelPerson:ClassFactory = new ClassFactory(sparkComboRendererDataGrid);
PersonnelPerson.properties = {labelField : "person", dataProvider :
new XMLListCollection(dataList.consistcrew)};
var col:GridColumn = GridColumn(personnel.columns.getItemAt(0));
col.itemRenderer = PersonnelPerson;
Please help.
Thanks

Actually, after adding the following code it started working:
import spark.skins.spark.DropDownListSkin;
override public function stylesInitialized():void
      super.stylesInitialized();
      this.setStyle("skinClass", DropDownListSkin);

Problem in passing data from 1 screen to another using BBP_DOC_CHANGE_BADI.

Hi Experts,
i am new to the SRM, i am facing problem in passing data from one screen to another.
my requirement is that when we select one shopping cart and press the PROPOSE SOURCES OF SUPPLY button, we will fetch all the contracts that are attached to the shopping cart.
we have implemented a BADI implementation of BBP_SOS_BADI (method BBP_SOS_CHECK) for passing some changed values to the contracts of the shopping cart into the popup screen that is displayed when we press PROPOSE SOURCES OF SUPPLY button and when we select any contract and press ASSIGN ONLY button in the popup screen the badi BBP_DOC_CHANGE_BADI is triggered.
i have implemented another BADI implementation of BBP_DOC_CHANGE_BADI for fetching the selected contract and pass the values to another screen, but the problem is that when we select one contract and press the assign only button we are fetching the wrong contract number ( that is in the BADI method BB_SC_CHANGE parameter IT_ITEM we are fetching the wrong contract), if we again do the same procedure for the second time we are getting the correct contract.
i am unable to understand why we are getting the wrong contract in the first time( that is we are getting contract other than the selected one).
as per my understanding i think when we are passing data to the popup screen using BBP_DOC_CHANGE_BADI we are not updating the shopping cart with the changed data.
can anyone tell me how we can update the SHOPPING CART with the changed contracts data, i have used BBP_PD_SC_UPDATE, BBP_PD_SC_SAVE and other shopping cart FM but nothing is happening.
Thanks
Tanveer

Hello,
What version of SRM are you on? Have you check for OSS Notes? I have had trouble with BBP_DOC_CHANGE_BADI but it was because of other issues. The BADI works pretty well and it is called almost every time something happens to the shopping cart.
I have noticed that sometimes that values are not changed til the second calling of the BADI. I have yet understand why but I think it has to do with prompt processing. Usually, we train our requisitioners to click the 'Check' button to flush things out.
I don't know if I was helpful.... another thought.... could there be an error caught by BBP_DOC_CHECK_BADI that is preventing change in BBP_DOC_CHANGE_BADI?
Regards, Dean.

Netweaver's ORM library and JPA implementation. How to use EclipseLink?

Hi,
I'm migrating from Glassfish to Netweaver and when I deploy my EAR on Netweaver I'm receiving the following exception. I have two questions. 1) TABLE_PER_CLASS is supported in EclipseLink but for some reason Netweaver isn't using it as the JPA implementation. Why? 2) What is the com.sap.engine.services.orpersistence.model.ormappingmodel package and how do I avoid using it because it seems to be reading my annotations when I just want it to ignore it and let EclipseLink handle things?
I'm using Netweaver Composition Environment 7.1 and found this little FAQ on the topic:
https://wiki.sdn.sap.com/wiki/display/Java/JavaEE5+FAQ#JavaEE5FAQ-1.190
It says:
Can I use another JPA implementation on top of Java EE 5 Edition?
By design this feature is supported, however it has not been tested in this release. For future releases it is planned to test the SAP NetWeaver AS Java with other available JPA providers.
Not even sure if it's applicable here since the FAQ entry isn't related to CE.
     Description:
          1. [ERROR CODE DPL.DS.5402] JLinEE reported following erros for JavaEE/calendar-ear application.
ERRORS:
Model Creator: Error during model creation occured: com.sap.engine.services.orpersistence.model.ormappingmodel.ORMException: Unsupported inheritance strategy TABLE_PER_CLASS
     at com.sap.engine.services.orpersistence.model.ormappingmodel.impl.ORMUtils.getInheritanceStrategy(ORMUtils.java:1252)
     at com.sap.engine.services.orpersistence.model.ormappingmodel.impl.ORMappingModelCreatorImpl.parsePersistentClass(ORMappingModelCreatorImpl.java:831)
Thanks, any help is appreciated.
Edited by: Zarar Siddiqi on Jul 24, 2009 5:32 PM

I should add that I've gone through the steps outlined in this article:
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/60642a88-95fe-2b10-d387-a245d48fc257
I've properly configured a Heavy Resource and tested it through telnet so I know its installed properly. However, I still get the same exception.   In my persistence.xml I've specified EclipseLink as the persistence provider:
    <persistence-unit name="mainDatabase">
        <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
        <jta-data-source>jdbc/Main</jta-data-source>
I'm wondering what I'm missing because Netweaver is still using SAP JPA and not EclipseLink.
Thanks.

ComboBox in grid

Here is my column:
<mx:DataGridColumn
headerText="Name" editorDataField="selectedValue"
width="
{accounts.width*.9}"
dataField="
ccompany">
</mx:DataGridColumn>
ItemEditor:
[Bindable]
var availAccounsEditor:ClassFactory = new ClassFactory(comboItemRenderer);
private function populateSalesRepsAccounts(resultXML:XML, dummy:Object):void{
var availAccounts:DataGridColumn = accounts.columns[0];availAccounsEditor.properties = {labelField :
"ccompany", dataProvider : resultXML.customers};availAccounts.itemEditor = availAccounsEditor;
ItemEditor:
package
modulecode{
import flash.events.Event;
import mx.collections.*;
import mx.controls.*;
import mx.controls.listClasses.*;
import mx.events.*;
public class comboItemRenderer extends ComboBox implements IDropInListItemRenderer {
private var _selectedValue:String;
private var bSelectedValueSet:Boolean = false;
private var bDataProviderSet:Boolean = false;
public var dataProviderCopy:Object = new Object;
public function comboItemRenderer(){
super();}
override public function set dataProvider(value:Object):void {
super.dataProvider = value;
// This may get called before dataProvider is set, so make sure not null and has entries
if (value!=null && value.length){
// Got it, set flag bDataProviderSet =
true;}
// Override committ, this may be called repeatedly
override protected function commitProperties():void{
// invoke ComboBox version
super.commitProperties();
// If value set and have dataProvider
if (bSelectedValueSet && bDataProviderSet){
// Set flag to false so code won't be called until selectedValue is set again bSelectedValueSet=
false;
// Loop through dataProvider
for (var i:int=0;i<this.dataProvider.length;i++){
// Get this item's data
var item:String = dataProvider[i][DataGrid(listData.owner).columns[listData.columnIndex].dataField];
// Check if is selectedValue
if(item == _selectedValue){
// Yes, set selectedIndex
this.selectedIndex = i;
break;}
override public function set data(value:Object):void{
super.data = value; selectedValue = value[DataGrid(listData.owner).columns[listData.columnIndex].dataField];
// set for selectedValue
public function set selectedValue(s:String):void{
// Set flag bSelectedValueSet =
true;
// Save value _selectedValue = s;
// Invalidate to force commit invalidateProperties();
public function get selectedValue():String{
return _selectedValue;}
How do set the the selected from combobox value back to dataGrid?
Thanks

Hi Lan
Try This For Matrix......
'For Adding Values
oColumn = oColumns.Add("Drink", SAPbouiCOM.BoFormItemTypes.it_COMBO_BOX)
        oColumn.TitleObject.Caption = "Drink"
        oColumn.Width = 100
        'Add Valid Values
        oColumn.ValidValues.Add("Cola", "")
        oColumn.ValidValues.Add("7up", "")
        oColumn.ValidValues.Add("Fanta", "")
        oColumn.ValidValues.Add("Orange Juice", "")
        oColumn.ValidValues.Add("Water", "")
        oColumn.ValidValues.Add("Lemonade", "")
        oColumn.ValidValues.Add("Ice Tea", "")
        oColumn.ValidValues.Add("Coffee", "")
'For selected Value
Dim ocombo As SAPbouiCOM.ComboBox
            Dim oform As SAPbouiCOM.Form
            Dim omat As SAPbouiCOM.Matrix
            oform = SBO_Application.Forms.Item("MOR1")
            omat = oform.Items.Item("mat").Specific
            ocombo = omat.Columns.Item("Drink").Cells.Item(1).Specific
            ocombo.Select("Fanta", SAPbouiCOM.BoSearchKey.psk_ByValue)
Thanks
Shafi

ComboBox Jumplist

I have a ComboBox implemented, however I am binding several hundred elements to this.
What is the recommended way for selecting from such a large list? Ideally I would like to be able to navigate the items via a Application list type JumpList when the ComboBox is activated.

Did you try using
IList in order to bind to your ComboBox?
Reference
Binding List<string>to ComboBox</string>
Happy Coding!

Combobox populate from HTTPService query

I got this working with static XML files, but now its not
working with HTTPService! I'm having problems getting a ComboBox to
fill up with dynamic data from an SQL query which spits back XML
data. I am basically filling one ComboBox based on the selection
from another ComboBox. On startup, I call this method:
public function loadSystems(serv:HTTPService, s:String) :
void {
var params:Object = {};
params[s] = s;
serv.send(params);
To fill in the first ComboBox, which is defined as:
<mx:ComboBox minWidth="130" maxWidth="130" id="mainSys"
dataProvider="{sysOps.lastResult.system.data}"
change="fillComboBox(mainSys, subSys, 'subsystem', subOps,
sysIDs)" rowCount="10" />
It fills up fine, but the fillComboBox method (below) comes
up with a null result and fails
// fill destination combobox based on selection from src
combobox
public function fillComboBox(src:ComboBox, dest:ComboBox,
arg:String,
serv:HTTPService, idArray:ArrayCollection) : void {
var ind:int = src.selectedIndex;
// choose ID from the ID array with the selecetedIndex
var select:String = idArray.getItemAt(ind) as String;
var params:Object = {};
params[select] = select;
params[arg] = arg;
serv.send(params);
dest.dataProvider = serv.lastResult.system.data; //
serv.lastResult is null
I know the server side is getting valid arguments in params
and is spitting out valid XML so the problem is on the Flex side.
Any ideas or help would be greatly appreciated. Thanks!

Although caching is a common problem, that is not the cause
of your problem. In Flex, all HTTPService calls are asynchronous,
which means you cannot call the service and set the result in the
same function like you are doing in your fillComboBox method. You
need to add an event listener and get the result in a different
method. However, in your function you are also passing the
destination which complicates things. Instead of passing the
destination, you could try passing a function that will assign the
result to the component you want dynamically:
change="fillComboBox(mainSys, setSubSys, 'subsystem', subOps,
sysIDs)"
public function fillComboBox(src:ComboBox,
resultFunction:Function, arg:String, serv:HTTPService,
idArray:ArrayCollection) : void
serv.addEventListener(ResultEvent.RESULT,resultFunction);
private function setSubSys(evt:ResultEvent):void {
subSys.dataProvider = evt.result.system.data;
In general, it makes debugging much easier if you avoid
binding HTTPService results directly to components and instead use
a listener function where you can examine the result data for any
problems.
Vygo

Problem while implementing note 1034868 for MAM 3.0

Hi,
I have another problem implementing this note. As described in that note at point no. 3. I'm not able to activate text elements for "RALM_ME_EQUI_FULL_DOWNLOAD_SD".
I receive an error "Error during activation" --> Message no. EU837
I've looked for it but found nothing. Any idea?
Thank you!
Regards,
Florian

Hi Martin,
as we work with the standard SAP function module, we have restored first the last active version for the texts because there was a inconsistence, which we have found under the debugging and next the texts were activated successfully without this inconsistency.
I hope this helps a bit.
Regards,
Florian

Another ComboBox implementation, #1

Similar Messages

Maybe you are looking for