Changing fieldcatalog during runtime in an ALV

Hi All,
I have a requirement like : On selection-screen I have 2 input parameters and 2 pushbuttons namely. After input, if press one of these pushbuttons a pop up will come which is having 2 radio buttons. Based on the selection of the radiobutton, I need to make some of the fields editable in a fieldcatalog. But what my problem is .... whatever I select[Radio Button] the first time only that fieldcatalog is getting displayed. Hope I am clear in explaining my problem.
-SatyaPriya

Hi Sathish,
I have used the methods get_frontend_fieldcatalog and set_frontend_fieldcatalog of class cl_gui_alv_grid..
-SatyaPriya

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Changing FieldCatalog at runtime in an ALv

Hi All,
I have a requirement like : On selection-screen I have 2 input parameters and 2 pushbuttons namely. After input, if press one of these pushbuttons a pop up will come which is having 2 radio buttons. Based on the selection of the radiobutton, I need to make some of the fields editable in a fieldcatalog. But what my problem is .... whatever I select[Radio Button] the first time only that fieldcatalog is getting displayed. Hope I am clear in explaining my problem.
-SatyaPriya

hi
good
debug the program and check when first time the field catalogue is displaying what are the process it is following before that,check where you r given the radio button action.
Thanks
mrutyun^

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Change language during Runtime

Hey,
i have following problem: I use Resourcebundles to internationalize my Java Applet. Now i want to add two Buttons where the user can change the language.
I changed my i18n class to the following code:
public class Messages
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Thanks alot

But the language doesn�t change :-( What can i do?I once did it this way: the problem is that all your Components already
had their text set (e.g. JButton.setText(...)) and all those components are
not aware of the fact that you changed your Locale so they don't do
anything.
Therefore I extended all these Swing classes and added an interface:
LanguageListener which gets invoked when a Locale has changed.
The Language listener just extends the PropertyChangeListener.
When the method is invoked the Component sets its text again according
to the now current Locale. It's a bit of work but it pays off ;-)
kind regards,
Jos

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What you're going to have to do is loop inside the actionlistener but still have accessability to click while its looping. I don't know much about it, but I think you're going to need a thread. Try something like this... (it doesn't work yet, but I have to take off)
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import javax.swing.*;
import java.awt.event.*;
class buttonxdemo extends JFrame implements ActionListener{
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public buttonxdemo()
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class Buttonx extends Thread{
public boolean keepGoing;
//public Icon ICx;            //perhaps an array, so you can loop through?
public String strbuttonx;
public JButton thebutton;     //may have to extend JFrame?
public Buttonx(/*Icon IC,*/ String strbutton){
    //ICx = IC;
    strbuttonx = strbutton;
    thebutton = new JButton(strbuttonx);
public void startstop()
    int i = 0;
    while (keepGoing)
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      //thebutton.setIcon(ICx);
i++;
if (i > strbuttonx.length() - 1)
i = 0;
try
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catch (InterruptedException ie)
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}//startstop()
}//buttonx
kev

Changing type of process during runtime

hi to all/Mike/Antony
is there anyway to change a sync process to async during runtime?
thnx in advance
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hi
sorry for making confusion by putting a (little) wrong question because of being in a hurry...
it was supposed to be that " is there anyway to change the type of the process from async to sync after executing the process"
i m sorry for taking ur time by putting a wrong question!
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i want to add/change the content of a ViewContainerUIElement (VCUI) during runtime, but it doesn't work as expected (or hoped;). What i got working so far for an already exising VCUI is:
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2. If no default view usage exists, create an embedded view usage and set is as default.
3. Set the component usage to the IWDComponentUsageInfo requested.
4. Set the view to the IWDViewUsageInfo of the interface view, which should be the content of the VCUI.
This doesn't work, if it's done after the wdDoInit()s of the controller hierarchy has been processed. The component, which is represented by the usage, is deleted and recreated, but the visual representation doesn't get updated (e.g. no changes on the display) if it's done in an action handler for example. Why? If i change the component usage (cloned component usage) nothing happens too.
Even more problems arise, if i try to add a new VCUI. The steps are pretty the same as before, what is done additionally (and prior the steps above) is:
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2. Creating a IWDViewContainerAssignmentInfo from the view usage of the "parent" view
3. Setting the created IWDViewContainerInfo as view container in the assignment.
4. Create the VCUI, set the view container name to the name of the created IWDViewContainerInfo and add the VCUI to an arbitrary container in the parent view.
But this doesn't work, i'm getting:
java.lang.NullPointerException
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What is wrong? What am i missing?
Thanks in advance.
Stefan

Hi,
I had the same problem with
"java.lang.NullPointerException at com.sap.tc.webdynpro.clientimpl.html.uielib.standard.uradapter.ViewContainerUIElementAdapter.getContent(ViewContainerUIElementAdapter.java:98)"
when I included ViewUsages dynamically in an action handler (outside wdDoInit()).
The code below fixed that problem.
This code creates a new OutboundPlug for the embedding view with the embedded view as target and fires the plug.
// Create OutboundPlug
IWDOutboundPlugInfo outboundPlug = embedderViewInfo.createOutboundPlug();
//Create navigation link
rootViewUsage.createNavigationTarget(outboundPlug.getName(), interfaceViewUsage, "Default");
// fire navigation link
wdThis.wdGetAPI().firePlug(outboundPlug, Collections.EMPTY_MAP);

I hope I could help you. Probably you don't need the information anymore, but perhaps anybody else has the same problem.
Regards, Alex

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Hi there,
I am changing the datasource of a report during runtime. Afterwards, I would like to change the texts of the fields appearing in the field explorer.
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rasDoc.Database.Tables[0].Description = "POMMES";
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Also, I would like to change the field texts that are displayed in the field explorer. How can this be done?
Thanks,
Pascal

Also, I do not understand why I am not able to change the display of the fields in the filed explorer.
This coding does not change a bit, but why??
//preparation
string tableName = reportDataSet.Tables[0].TableName;
 // Get the table definition exactly like the definition of my own dataset.
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 //delete all existing tables if there are any
 foreach (CrystalDecisions.ReportAppServer.DataDefModel.Table oldTable in rasDoc.DatabaseController.Database.Tables)
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 rasDoc.DatabaseController.AddTable(table, null);
 //now I want to change the displayed fields texts
 CrystalDecisions.ReportAppServer.DataDefModel.Tables modifyTables =
 rasDoc.DatabaseController.Database.Tables;
 CrystalDecisions.ReportAppServer.DataDefModel.Table myTable =
 (CrystalDecisions.ReportAppServer.DataDefModel.Table)modifyTables[0];
 Fields fields = myTable.DataFields;
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 ResultFieldController resultFieldController =
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 try
 resultFieldController.Remove(field);
 string sText = "";
 sText = "Bäschreibung" + i.ToString();
 field.Description = new string(sText.ToCharArray());
 sText = "Häding" + i.ToString();
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 resultFieldController.Add(-1, field);
 catch (Exception exp)
 MessageBox.Show(exp.Message);
I am completely stuck.
Thanks for any help.
Pascal
Edited by: Pascal Schmidt-Volkmar on Sep 30, 2008 9:31 AM

Changing Changing Database Location During Runtime

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<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
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</persistence>

To solve the "why the hell would I want that stuff inside a jar file" issue, I googled a bit and found this
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I use a properties file to set all local DB configuration aspects. Load the properties at application
startup and set then extract the required fields into a Map to create the persistent unit.
All the "examples" I seen always use a static xml which is never what you need in the real
world.
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properties.put(TopLinkProperties.JDBC_URL, dbProps.getString("abc.jdbcurl") );
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Angus Cattle from Pool Ranch and Steel Repairs via Joe's Welding.

Ok, that got me on the right track.
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Angus Cattle from Pool Ranch and Steel Repairs via Joe's Welding.
Attachments:
Event Notifications.vi ‏44 KB

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Hi Max,
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Changing fieldcatalog during runtime in an ALV

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