[platform-dev] Re: Visual Library - Refresh problem

[Divya]

I am also facing the same problem.
I tried using repaint(), but no use.
The image that i want to be displayed as a widget returns a value, but due
to scene.validate() not working; the image does not get dispalyed on the
scene.
Can some one suggest a solution?

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[Milo]

Hi
,
I looked up it in my sources and I found this line
// after widgets adding must call scene.validate() to set bounds
scene.validate();

Try it please. I don't use Visual Library for one year.

------------ Původní zpráva ------------
Od: Divya <address-removed>
Předmět: [platform-dev] Re: Visual Library - Refresh problem
Datum: 14.3.2012 11:05:24
----------------------------------------
I am also facing the same problem.
I tried using repaint(), but no use.
The image that i want to be displayed as a widget returns a value, but due
to scene.validate() not working; the image does not get dispalyed on the
scene.
Can some one suggest a solution?

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[Divya]

Yes, i am using it the same way.
After adding widgets to the scene, i use scene.validate() but the scene
doesnot get validated.
If i use scene.addChild(widget), i get "java.lang.AssertionError"
Not able to find out a way with the problem. :(

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[Fr]

Hello,

To "repaint" the scene, I use the following code:
scene.validate();
scene.repaint();//I'm sure about this line
if (scene.getView() != null) {
scene.getView().repaint();
}

Fred


On 15/03/2012 05:22, Divya wrote:

[Divya]

Ok, that seems to make sense...
But in my case, the it doesnot enter the loop. The code fails at this
condition itself:
"if (scene.getView() != null)"

I also tried some code like:
LayerWidget baseLayer = new LayerWidget(scene);
LabelWidget helloLabel1 = new LabelWidget(scene, "hello1");
helloLabel1.setPreferredLocation(new Point(10, 50));
scene.repaint();
baseLayer.addChild(helloLabel1);
scene.validate();
scene.repaint();
But the Label did not appear onto the screen. Seems like i am missing
something... :(

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[Monezz]

[Eric Barboni]

Hi Divya

Did you add the layer baseLayer to your "scene" somewhere in your code ?

scene.addChild(baseLayer) after
LayerWidget baseLayer = new LayerWidget(scene);

may help if not done

Eric

-----Message d'origine-----
De

[Divya]

Timon - Yes, i had a look at the article you mentioned.
And i am now doing repaint() on view instead of scene, also
removed the repaint() that i was using twice.

Barboni - I did add the line:
LayerWidget baseLayer = new LayerWidget(scene);
*scene.addChild(baseLayer)*
But still the widget doesnot get displayed onto the scene. What else could
be the problem, or missing link?
I feel all your suggestions are atleast taking me further closer to the
solution.

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[Eric Barboni]

Hi Divya,

As it's complicated to help with only limited code. I may suggest to take a
look at the following links containing lots of sample of visual library.

http://hg.netbeans.org/main/contrib/file/616e5810d496/visual.examples/src/te
st

SceneSupport.java give some setup for the library.



-----Message d'origine-----
De

[Divya]

Hi Barboni,

(I referred to *sceneserialization-->SceneSerializer.java* from the list of
*main/contrib / files * that you provided)

I am trying to serialize and deserialize a scene that i am creating.
The serialization works perfectly, and i am able to create a scene
containing widgets.
The problem occurs when i try to deserialize it upon IDE restart.
During deserialization, the image icon that i want to display onto the scene
returns a proper value, but somehow the widget doesn't get displayed on the
screen.

This is the problem code snippet:
Widget nodeWidget_new = scene.addNode (value for node to be
added);//Getting proper value for nodeWidget_new
nodeWidget_new.setPreferredLocation(new Point (x, y)); // Defining
location for display of widget
nodeWidget_new.setPreferredBounds(new Rectangle(w, h));//Defining
bounds for display of widget
nodeWidget_new.setPreferredSize(new Dimension(w, h));//Defining size
of widget
nodeWidget_new.setVisible(true); // Setting visiblity to true


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[Divya]

Hi Purav14,

Geertjan's tutorials are really useful for information and ideas.
I guess you should take a look at the url below, might help you a lot.
https://blogs.oracle.com/geertjan/entry/drag_drop_snippets_into_palette

Regards
Divya

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[purav14]

hiee i am new developer in netbeans platform and jst now i am using visual
library ,,using it want to load images with palette entry but got error null
exception during retrieving palette so can u suggest me what can i do simply
so that i can load image...

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[purav14]

thanx Divya i already surf it...bt during run time i get noclassdefexception error when i add to palette by windows menu?? so is ther in jar file mission problem or class loading problem??


From: Divya [via Netbeans.org] <[url=/user/SendEmail.jtp?type=node&node=5626885&i=0][hidden email][/url]>
To: purav14 <[url=/user/SendEmail.jtp?type=node&node=5626885&i=1][hidden email][/url]>
Sent: Thursday, April 5, 2012 11:19 AM
Subject: Re: Visual Library - Refresh problem


Hi Purav14,

Geertjan's tutorials are really useful for information and ideas.
I guess you should take a look at the url below, might help you a lot.
https://blogs.oracle.com/geertjan/entry/drag_drop_snippets_into_palette

Regards
Divya

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