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custom GUI component error! [message #891731]

Mon, 25 June 2012 16:16

Boy D'Poy

Messages: 67
Registered: October 2011

Member

Hi all!

I'm trying to wrap an SWT Control (in my case a simple Button, that I will replace later when everything will be OK) when trying to create a custom GUI component.

Unfortunately everything seems okay untill I encounter the following problem with the function protected void initializeUi in RwtScoutControlField :

!ENTRY org.eclipse.scout.rt.ui.rap 4 0 2012-06-25 18:07:53.148
!MESSAGE org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormFieldByExtension(FormFieldFactory.java:157) could not create form field for: [model = '[*****]client.ui.forms.SiteForm$MainBox$SplitField$MapBox'; ui = 'DirectLinkFactory to: [*****][*****].ui.rap.controlfield.RwtScoutControlField'].
!STACK 0
java.lang.VerifyError: Bad type on operand stack in method [*****][*****].ui.rap.controlfield.RwtScoutControlField.initializeUi(Lorg/eclipse/swt/widgets/Composite;)V at offset 24
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2404)
at java.lang.Class.getConstructor0(Class.java:2714)
at java.lang.Class.newInstance0(Class.java:343)
at java.lang.Class.newInstance(Class.java:325)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory$P_DirectLinkFormFieldFactory.createUiFormField(FormFieldFactory.java:184)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormFieldByExtension(FormFieldFactory.java:154)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormField(FormFieldFactory.java:143)
at org.eclipse.scout.rt.ui.rap.AbstractRwtEnvironment.createFormField(AbstractRwtEnvironment.java:1332)
at org.eclipse.scout.rt.ui.rap.form.fields.splitbox.RwtScoutSplitBox.initializeUi(RwtScoutSplitBox.java:42)
at org.eclipse.scout.rt.ui.rap.basic.RwtScoutComposite.createUiField(RwtScoutComposite.java:140)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory$P_DirectLinkFormFieldFactory.createUiFormField(FormFieldFactory.java:185)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormFieldByExtension(FormFieldFactory.java:154)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormField(FormFieldFactory.java:143)
at org.eclipse.scout.rt.ui.rap.AbstractRwtEnvironment.createFormField(AbstractRwtEnvironment.java:1332)
at org.eclipse.scout.rt.ui.rap.form.fields.groupbox.RwtScoutGroupBox.initializeUi(RwtScoutGroupBox.java:116)
at org.eclipse.scout.rt.ui.rap.basic.RwtScoutComposite.createUiField(RwtScoutComposite.java:140)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory$P_DirectLinkFormFieldFactory.createUiFormField(FormFieldFactory.java:185)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormFieldByExtension(FormFieldFactory.java:154)
at org.eclipse.scout.rt.ui.rap.FormFieldFactory.createUiFormField(FormFieldFactory.java:143)
at org.eclipse.scout.rt.ui.rap.AbstractRwtEnvironment.createFormField(AbstractRwtEnvironment.java:1332)
at org.eclipse.scout.rt.ui.rap.form.RwtScoutForm.initializeUi(RwtScoutForm.java:52)
at org.eclipse.scout.rt.ui.rap.basic.RwtScoutComposite.createUiField(RwtScoutComposite.java:140)
at org.eclipse.scout.rt.ui.rap.AbstractRwtEnvironment.createForm(AbstractRwtEnvironment.java:1323)
at org.eclipse.scout.rt.ui.rap.window.desktop.RwtScoutDesktopForm.createPart(RwtScoutDesktopForm.java:61)
at org.eclipse.scout.rt.ui.rap.window.desktop.RwtScoutViewStack.addForm(RwtScoutViewStack.java:131)
at org.eclipse.scout.rt.ui.rap.window.desktop.RwtScoutDesktop.addForm(RwtScoutDesktop.java:128)
at org.eclipse.scout.rt.ui.rap.AbstractStandaloneRwtEnvironment.showFormPart(AbstractStandaloneRwtEnvironment.java:219)
at org.eclipse.scout.rt.ui.rap.AbstractRwtEnvironment$P_ScoutDesktopListener$1.run(AbstractRwtEnvironment.java:1105)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:38)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:179)
at org.eclipse.swt.widgets.Display.runPendingMessages(Display.java:1148)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1135)
at org.eclipse.scout.rt.ui.rap.AbstractStandaloneRwtEnvironment.createUI(AbstractStandaloneRwtEnvironment.java:148)
at org.eclipse.rwt.internal.lifecycle.RWTLifeCycle.createUI(RWTLifeCycle.java:177)
at org.eclipse.rwt.internal.lifecycle.RWTLifeCycle$UIThreadController.run(RWTLifeCycle.java:289)
at java.lang.Thread.run(Thread.java:722)
at org.eclipse.rwt.internal.lifecycle.UIThread.run(UIThread.java:102)

I've attached all my source code.

What's wrong, and I could I solve this?

Thank You!

Attachment: custom.zip
(Size: 4.88KB, Downloaded 284 times)

Once You Go Scout, You Never Come Out!

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Re: custom GUI component error! [message #891814 is a reply to message #891731]

Tue, 26 June 2012 06:33

Stephan Leicht Vogt

Messages: 104
Registered: July 2015

Senior Member

Hi

As I saw in your code you used SWT classes in your client(-model-)code. This is wrong. SWT classes belong only into ui-plugins such as my.application.ui.swt or .rwt and never in model-plugins such as my.application.client. If your code depends on keeping a widget instance in the model you'd have to take an Object field.

But why don't you insert a button into the form with getConfiguredVisible()->false and set it visible later when everything is OK?

Greetings Stephan

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Re: custom GUI component error! [message #891819 is a reply to message #891814]

Tue, 26 June 2012 07:02

Ivan Motsch

Messages: 154
Registered: March 2010

Senior Member

Hi,

did this answer help you?
Do you need any more help or code samples?

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Re: custom GUI component error! [message #891832 is a reply to message #891819]

Tue, 26 June 2012 08:27

Boy D'Poy

Messages: 67
Registered: October 2011

Member

Ok, I learnt by this answer, that SWT components should'nt be used in client area, that's right.

But the Button widget I used was just as an example of SWT component in the client area. It might be replaced by another component witch doesn't belongs to SWT API. I dealt with Button only for simplification, so that, the answer helped me to learn more, but did not solve the problem. Sad

More samples or tutorial would be graceful Smile

especialy for ui.rap.
For example embedding Google Maps Widget for (SWT and) RAP from eclipsesource in a sample Form?

Thanks.

Once You Go Scout, You Never Come Out!

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Re: custom GUI component error! [message #892006 is a reply to message #891731]

Tue, 26 June 2012 19:52

Claudio Guglielmo

Messages: 256
Registered: March 2010

Senior Member

Hi boy

Have you tried the tutorial at http://wiki.eclipse.org/Scout/HowTo/3.7/Add_a_custom_GUI_component ? This works for SWT and RWT as well.

Regards
Claudio

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