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hide specific model elements [message #107645]

Wed, 28 February 2007 07:14

Eclipse User

Originally posted by: pramsohl.in.tum.de

This is a multi-part message in MIME format.
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Hi,

I've got two editors running on the same model file.
In the second editor i show elements that have been created by first
editor as childs of their containers.

How can i manage to show only a group of this elements based on model
attributes? I tried to override the container editparts
refreshChildren() method. This works sometimes but normally i get a
"semantic refresh failed" error.

Example:
In my attached screenshot i want to show only that figures which have a
connection to other figures.
I don't know where i have to put code for that.
Perhaps there is some possibilitiy to define that in the mapping model.

thank you
Thomas

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--------------070401090204060107000508--

Re: hide specific model elements [message #107828 is a reply to message #107645]

Wed, 28 February 2007 10:07

Eclipse User

Hi Thomas ;

Filtering can be accomplished in many ways, one way of them is to
override the method getModelChildren in your edit part and do the
filtering there for example if you look at the default implementation of
this method in the graphical edit part you will find it doing something
like that

protected List getModelChildren() {
Object model = getModel();
if(model!=null && model instanceof View){
return new ArrayList(((View)model).getVisibleChildren());
}
return Collections.EMPTY_LIST;
}

you will notice it is returning only views with Visibility = true and
skip the rest.
Here is an example where I do not display any book with a title that
contains "filter"

protected List getModelChildren() {
List views = super.getModelChildren();
Iterator iterator = views.iterator();
while (iterator.hasNext()) {
Book book = (Book)((View)iterator.next()).getElement();
if (book.getTitle().contains("filter")) {
iterator.remove();
}
}
return views;
}

i hope this will help

Thomas Pramsohler wrote:
> Hi,
>
> I've got two editors running on the same model file.
> In the second editor i show elements that have been created by first
> editor as childs of their containers.
>
> How can i manage to show only a group of this elements based on model
> attributes? I tried to override the container editparts
> refreshChildren() method. This works sometimes but normally i get a
> "semantic refresh failed" error.
>
> Example:
> In my attached screenshot i want to show only that figures which have a
> connection to other figures.
> I don't know where i have to put code for that.
> Perhaps there is some possibilitiy to define that in the mapping model.
>
> thank you
> Thomas
>
> ------------------------------------------------------------ ------------
>

Re: hide specific model elements [message #108094 is a reply to message #107828]

Thu, 01 March 2007 05:11

Eclipse User

Originally posted by: pramsohl.in.tum.de

Hi Mohammed,

thank you for your reply. That was exactly what i searched for.

greets
Thomas

Re: hide specific model elements [message #871821 is a reply to message #107828]

Mon, 14 May 2012 19:55

Eclipse User

Hi Mohammed,

I have the same problem as Thomas and i don't know where shoud i override getModelChildren(). And im my generated code i don't have any default implementation
of this method.

Best regards,

Re: hide specific model elements [message #880255 is a reply to message #871821]

Fri, 01 June 2012 13:58

Eclipse User

Hi,

as mentioned in previous post, getModelChildren() is a method available in Graphical Edit Part class. You can find them generated in your project, they are called XXXEditPart

regards,

[Updated on: Fri, 01 June 2012 13:59] by Moderator

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