Count files and clean a table?

[Former Member]

Hi, i have in a View a table that it´s refill with a table of sap when i press search... Now i want that if i press search and there aren´t rows... appear an popup: "There aren´t element" and... when i press other button (clean) the table clean it...

In short i want know count the rows in the table and clean the table...

Anybody can help me?

Thanks,

[former_member185029 · Accepted solution]

1. appear an popup: Use IWDWindow object

2. press other button (clean) the table clean it... : Call invalidate method of the node which is bound with the table,

3. want know count the rows in the table and clean the table: Use size function of the node element bound to the table.

Ashu

[Former Member · Accepted solution]

How use IWDWindow???

[Former Member · Accepted solution]

Hi,

IWDWindow window = createModelWindow(<WindowName>, "title" ,400, 200);

if(window != null)

{

//Store the window handle in context for later use.

wdContext.currentContextElement().setWindowHandle(window);

window.show();

}

Regards

Ayyapparaj.

[Former Member · Accepted solution]

Error, don´t find createModelWindow...

I import:

import com.sap.tc.webdynpro.services.session.api.IWDWindow;

Message was edited by:

Victor Capi

[Former Member · Accepted solution]

Use this code:

IWDWindow window = wdComponentAPI.getWindowManager().createModalWindow(..parameters..)

[Former Member · Accepted solution]

hi,

Sorry I missed the function

private IWDWindow createModelWindow(String windowName, String title, int width, int height)

{

IWDWindowManager windowManager = wdThis.wdGetAPI().getComponent().getWindowManager();

IWDWindowInfo modelWindowInfo = wdThis.wdGetAPI().getComponent().getComponentInfo().findInWindows(windowName);

IWDWindow modelWindow = windowManager.createModalWindow(modelWindowInfo);

if(modelWindow != null)

{

modelWindow.setTitle(title);

modelWindow.setWindowSize(width, height);

modelWindow.setWindowPosition(WDWindowPos.CENTER);

}

return modelWindow;

}

Regards

Ayyapparaj

[former_member185029 · Accepted solution]

I think <a href="http://help.sap.com/saphelp_nw70/helpdata/en/b0/184540631d6f13e10000000a1550b0/frameset.htm">this</a> link might help you.

Ashu

Message was edited by:

Ashutosh Moharir

[Former Member · Accepted solution]

Hi Ayyapparaj KV, i write this:

IWDWindow window = createModelWindow("aviso", "title" ,400, 200);

if(window != null)

{

window.show();

}

private IWDWindow createModelWindow(String windowName, String title, int width, int height)

{

IWDWindowManager windowManager = wdThis.wdGetAPI().getComponent().getWindowManager();

IWDWindowInfo modelWindowInfo = wdThis.wdGetAPI().getComponent().getComponentInfo().findInWindows(windowName);

IWDWindow modelWindow = windowManager.createModalWindow(modelWindowInfo);

if(modelWindow != null)

{

modelWindow.setTitle(title);

modelWindow.setWindowSize(width, height);

modelWindow.setWindowPosition(WDWindowPos.CENTER);

}

return modelWindow;

}

but when i execute, appear this error:

com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Parameter windowInfo must not be null.

Thanks,

[Former Member · Accepted solution]

Hi Ashutosh Moharir, in this link, when i write:

IWDControllerInfo controllerInfo = wdControllerAPI.getViewInfo().getViewController();

appear an error in getViewInfo()...

Thanks,

[former_member185029 · Accepted solution]

Hi,

I later modified my post.

Please check the latest post above

Ashu

[Former Member · Accepted solution]

Hi,

Does this window "aviso" exists in the Windows.

Did you create this window?

Regards

ayyapparaj

[Former Member · Accepted solution]

No, "aviso" don´t exists, what should be it?

Thanks,

[former_member751941 · Accepted solution]

Hi Victor,

Try this.

int noOfRows = wdContext.node<put the node name here> ().size ();

if (noOfRows == 0)

{

String dialog = "No of Rows in Table:" + noOfRows ;

IWDConfirmationDialog confDialog = wdComponentAPI.getWindowManager().createConfirmationWindow(dialog,wdThis.wdGetAPI().getViewInfo().getViewController().findInEventHandlers("OK"),"OK");

confDialog.setTitle("RollUp Window");

confDialog.setWindowPosition(200,100);

confDialog.setWindowPosition(WDWindowPos.LEFT);

confDialog.show();

}

Regards,

Mithu

[Former Member · Accepted solution]

Create a window under the window . and add the view as part of the window.

[Former Member · Accepted solution]

When i write this

int noOfRows = wdContext.node...

Thanks,

[former_member751941 · Accepted solution]

Hi Victor,

It will be <b>wdContext</b> you r typing <b>wdcontext</b> that’s why option is not coming.

Regards,

Mithu

[Former Member · Accepted solution]

I write this:

if(wdContext.node().size()==0)

but in wdContext not appear node...

Because it´s in other view... i import:

import com.sap.pruebas.jco.wdp.IPrivateResultView;

How can accede to the node...??

Thanks,

Message was edited by:

Victor Capi

[former_member751941 · Accepted solution]

Hi Victor,

if(wdContext.nodeOutput().size() ==0)

After weContext give a dot(. ) .Then type node and give control space from keyboard. It will give you the option to choose the node name. Select the output node name whose rows you want to count.

Make sure you are writing the code inside the method that is in view .

If your output node is not in the view.

Then use

int noOfRows =

wdThis.wdGet<put your component name here>Controller ().wdGetContext().nodeOutput().size();

if (noOfRows == 0)

{

…..

}

Or In Diagram view you can do the mapping between the component controller and View also.

Regards,

Mithu

[Former Member · Accepted solution]

Hi, i write wdcontex and . (dot), i press ctrl + space, and don´t appear nodeoutput...

Can be because the nodeoutput is in other view?? I import the other view too, but continue without appear nodeOutput.

Message was edited by:

Victor Capi

[Former Member]

I find the solution... I have to map the node...

[Former Member]

Hi Victor,

1. For popup when there are no rows in a table:

In NWDS>View>Methods(tab)>ADD>eventHandler-->name it as OK

Write in the action of the search button

IWDConfirmationDialog dialog = wdComponentAPI.getWindowManager().createConfirmationWindow("There are no rows in the table.",wdControllerAPI.getViewInfo().getViewController().findInEventHandlers("OK"),"OK");

dialog.show();

2. For clearing the content of the table write in the action of the Clear button

wdContext.nodeCol1().invalidate();

Regards,

Murtuza

[Former Member]

Appear this error when i press the button:

java.lang.NullPointerException

[Former Member]

Hi Victor,

In the above code the nodecol1 would be the node binded to your table.

Also send the line that is causing this error.

Regards,

Murtuza

[Former Member]

Sorry, i don´t understand you before...

I explain me... I have a button that have this code:

public void onActionBuscar(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )

{

//@@begin onActionBuscar(ServerEvent)

wdThis.wdGetJCOCustController().ejecutar_Bapi();

//@@end

}

Refill the table with the data...

I wil want that, when execute wdThis.wdGetJCOCustController().ejecutar_Bapi(); count the number of rows, and if it´s zero, appear the popup...

If i create a new eventhandler, i can´t do this... no?

Thanks,

[Former Member]

Hi Victor,

Write the code i explained just after this

wdThis.wdGetJCOCustController().ejecutar_Bapi();

Check the node of the output node

if(wdContext.node<outputnode>().size()==0)

{

// open confirmation dialog.

}

Regards,

Murtuza

[Former Member]

But i create the eventhandler too??

[Former Member]

Victor,

That eventhandler is just for the Ok button on the confirmation dialog which won't perform any task and will return back to the main window once you click on the button.

Regards,

Murtuza