To display messages dynamically in a component window of Webtop

I have extended the Component class for my custom component in webtop which is invoked as a menu item in webtop.
I have added a Submit button in the component. On clicking of submit button , it invokes a custom function in the Class .
I want to display the messages which are occuring in the custom function in say a label or text box in the component window.

However I am finding that only after the custom function is returning , the message is getting printed in the label or text box. Is there a specific control to use or the messages can be displayed in a label or text box ?

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mpraditt

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dnvhariprasad

You need to implement AJAX.

AshaCR

Alternatively we can display the messages in the Status bar. How do we configure the Status bar in the webtop , to display the component messages ?

lastnitescurry

have read this 5 or 6 times and still do not understand when and where you want the message to be display.... your language is confusing... go get your self a copy of the WDK guides

Web_Development_Kit_6.5_Development_Guide.pdf

Web_Development_Kit_and_Webtop_6.5_Reference.pdf

if you have a custom button on your component, for example called KOE when you click on KOE then the function doKOE will be called in you custom component... At this point you can display a message via

a) label control, for example label.setlabel("Hello World")

b) launch the WDK Prompt control with "Hello World" as value for the message argument. WDK Prompt is a bit like javascript alert or visual basic msgbox

if you wish to click on the OK button to close your custom component, then you should extend onCommitChanges and display your message via the MessageService

Suggest you download a copy of wdk.war as this contains a lot of example souce code and also contains unstripped jsp files, which are much better to use for customising if you wish to leave a nice leagcy for those who have to maintain and upgrade your code

AshaCR

On click of the custom button , a back end process starts running . I want to print the messages which are occuring in the back end process as Status messages in the component window.

However the status messages I am passing to the label control using setlabel is not printing on the component window. Only the last message which was set for the label gets printed in the label , when the back end process completes and the component window is refreshed.

lastnitescurry

well in that case, I suggest you follow dnvhariprasad AJAX suggestion as he was able to figure out your requirement

Webtop has dojo library included. There is a scriptaculous example on EDN somewhere...

http://script.aculo.us/