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Problem with Custom Widget .set() [message #1455536]

Wed, 29 October 2014 09:20

Eclipse User

Hi,
i have written a simple custom widget ( my second in all ) with RAP 2.3 but encountered a problem in further implementation. Basicly i need a HTML viewer which can show html content or XML. For that purpose my custom widget creates a Iframe element and will be filled with information. The set up and creation works flawless.

Now during java server workflow this will be called

	public void setContent( String aContent ) {
		if ( this.aContent != null && !this.aContent .equals( "" ) ) {
			cliObj.set( "frmCtt", aContent ); // cliObj is my registered RemoteObject
		}
	}

The problem now is that after the .set() the property is send (i looked the network in Chrome Dev Tools) as json but the field value hasnt changed.

	/**
	 * Class prototype
	 */
	test.myCustomWidget.prototype = {

                frmCtt	: "", // Thats the Property field not changing

		ready : false,

		onReady : function() {
			this.ready = true;
			this.layout();
		},
		
		
                .... further code

If i use .call() in java instead and change the field to a function it works, but i am not sure if call triggers a new render in some kind and i DONT want to render i just want to change the value.

Thanks in advance and sorry for mistakes Embarrassed

Re: Problem with Custom Widget .set() [message #1456231 is a reply to message #1455536]

Thu, 30 October 2014 02:22

Eclipse User

Hi,
did you create a JavaScript type handler for your custom widget [1]? Is
your property listed in the handler:

|rap.registerTypeHandler( "my.CustomWidgetType", {
factory : function( properties ) {
return new MyCustomWidget( properties );
},

properties : [ "||frmCtt" ]
} );|

and in your widget JS prototype you need function setFrmCtt( value )
where you will actually do the update of the property.

[1]
https://wiki.eclipse.org/RAP/Custom_Widgets_FAQ#What_is_the_basic_architecture_of_a_Custom_Widget.3F

HTH,
Ivan

--
Ivan Furnadjiev

Twitter: @EclipseRAP
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Re: Problem with Custom Widget .set() [message #1457479 is a reply to message #1456231]

Fri, 31 October 2014 07:15

Eclipse User

OK i just forgot or wasnt aware that there is a field called properties required

I added

properties : [ "frmCtt" ]

and now everything works fine.

THANK YOU VERY MUCH Very Happy

Re: Problem with Custom Widget .set() [message #1848562 is a reply to message #1456231]

Wed, 08 December 2021 00:54

Eclipse User

[quote title=Ivan Furnadjiev wrote on Thu, 30 October 2014 02:22]Hi,
did you create a JavaScript type handler for your custom widget [1]? Is
your property listed in the handler:

|rap.registerTypeHandler( "my.CustomWidgetType", {
factory : function( properties ) {
return new MyCustomWidget( properties );
},

properties : [ "||frmCtt" ]
} );|

and in your widget JS prototype you need function setFrmCtt( value )
where you will actually do the update of the property.

Hi, Ivan

Reversely, on Java side, how to get the value of 'frmCtt' from JavaScript?
And how to access frmCtt inside JavaScript?
Thank you so much!

David

[Updated on: Wed, 08 December 2021 02:11] by Moderator

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