Eclipse Community Forums: GMF (Graphical Modeling Framework)

Home » Modeling » GMF (Graphical Modeling Framework) » SWT property editor

Thu, 12 October 2006 09:29

Eclipse User

Hey,

I want to set up my editor so when you double click an element a SWT
dialogue box will pop up to allow for the elements properties to be edited.

There has been some discussion on this already:

http://dev.eclipse.org/newslists/news.eclipse.technology.gmf /msg03693.html

http://dev.eclipse.org/newslists/news.eclipse.modeling.gmf/m sg01050.html

From these threads I see that I first need to extend the OpenEditPolicy
(below), this will allow for a double-click on an element to work? Where
is the OpenEditPolicy located? Where should this code go?

public class OpenEditorEditPolicy extends OpenEditPolicy {
protected Command getOpenCommand(Request request) {
EditPart targetEditPart = getTargetEditPart(request);
if (targetEditPart instanceof IGraphicalEditPart) {
IGraphicalEditPart editPart =
(IGraphicalEditPart)targetEditPart;
View view = editPart.getNotationView();
if (view !=null){
EObject element =
ViewUtil.resolveSemanticElement(view);
if (element instanceof Diagram) {
return new ICommandProxy(
new
OpenEditorCommand(element));
}
}
}
return null;
}
}

Re: SWT property editor [message #61725 is a reply to message #61561]

Thu, 12 October 2006 10:20

Eclipse User

Gaff,

You don't need to extend the OpenEditPolicy, you just want to override
its behavior by installing your own editpolicy on the OPEN_ROLE that
handles the request RequestConstants.REQ_OPEN.

To get an understanding of how editpolicies work, take a look at:
- The GEF Programmer's Guide
- GraphicalEditPart.createDefaultEditPolicies()
- The "Diagram Services Layer - How-to Guide" EditPolicy provider example.

Regards,
Cherie

Gaff wrote:
> Hey,
>
> I want to set up my editor so when you double click an element a SWT
> dialogue box will pop up to allow for the elements properties to be edited.
>
> There has been some discussion on this already:
>
> http://dev.eclipse.org/newslists/news.eclipse.technology.gmf /msg03693.html
>
> http://dev.eclipse.org/newslists/news.eclipse.modeling.gmf/m sg01050.html
>
> From these threads I see that I first need to extend the OpenEditPolicy
> (below), this will allow for a double-click on an element to work? Where
> is the OpenEditPolicy located? Where should this code go?
>
>
>
> public class OpenEditorEditPolicy extends OpenEditPolicy {
> protected Command getOpenCommand(Request request) {
> EditPart targetEditPart = getTargetEditPart(request); if
> (targetEditPart instanceof IGraphicalEditPart) {
> IGraphicalEditPart editPart = (IGraphicalEditPart)targetEditPart;
> View view = editPart.getNotationView();
> if (view !=null){
> EObject element = ViewUtil.resolveSemanticElement(view);
> if (element instanceof Diagram) {
> return new ICommandProxy(
> new
> OpenEditorCommand(element)); }
> } } return null;
> } }
>

Re: SWT property editor [message #61845 is a reply to message #61725]

Thu, 12 October 2006 12:15

Eclipse User

Gaff,

Actually it does make sense to also extend the OpenEditPolicy as this
will provide you with the knowledge of the request type and all you need
to do is implement the abstract method getOpenCommand().

- Cherie

Cherie Revells wrote:
> Gaff,
>
> You don't need to extend the OpenEditPolicy, you just want to override
> its behavior by installing your own editpolicy on the OPEN_ROLE that
> handles the request RequestConstants.REQ_OPEN.
>
> To get an understanding of how editpolicies work, take a look at:
> - The GEF Programmer's Guide
> - GraphicalEditPart.createDefaultEditPolicies()
> - The "Diagram Services Layer - How-to Guide" EditPolicy provider example.
>
> Regards,
> Cherie
>
> Gaff wrote:
>> Hey,
>>
>> I want to set up my editor so when you double click an element a SWT
>> dialogue box will pop up to allow for the elements properties to be
>> edited.
>>
>> There has been some discussion on this already:
>>
>> http://dev.eclipse.org/newslists/news.eclipse.technology.gmf /msg03693.html
>>
>>
>> http://dev.eclipse.org/newslists/news.eclipse.modeling.gmf/m sg01050.html
>>
>> From these threads I see that I first need to extend the
>> OpenEditPolicy (below), this will allow for a double-click on an
>> element to work? Where is the OpenEditPolicy located? Where should
>> this code go?
>>
>>
>>
>> public class OpenEditorEditPolicy extends OpenEditPolicy {
>> protected Command getOpenCommand(Request request) {
>> EditPart targetEditPart = getTargetEditPart(request);
>> if (targetEditPart instanceof IGraphicalEditPart)
>> { IGraphicalEditPart editPart =
>> (IGraphicalEditPart)targetEditPart; View view =
>> editPart.getNotationView(); if (view
>> !=null){ EObject element =
>> ViewUtil.resolveSemanticElement(view);
>> if (element instanceof Diagram) {
>> return new ICommandProxy(
>> new
>> OpenEditorCommand(element)); }
>> } } return null;
>> } }
>>

Re: SWT property editor [message #62218 is a reply to message #61725]

Fri, 13 October 2006 10:55

Eclipse User

Cheers,

But what is the file location of the OpenEditPolicy class. Can't seem to
find it anywhere.

Gaff

Re: SWT property editor [message #62241 is a reply to message #62218]

Fri, 13 October 2006 11:20

Eclipse User

Gaff wrote:

Open edit policy is inside the package :

org.eclipse.gmf.runtime.diagram.ui.editpolicies

in the plugin :

org.eclipse.gmf.runtime.diagram.ui

> Cheers,
>
> But what is the file location of the OpenEditPolicy class. Can't seem to
> find it anywhere.
>
> Gaff
>

Re: SWT property editor [message #63729 is a reply to message #62241]

Tue, 17 October 2006 06:29

Eclipse User

Hi,

I've found the file but there's no source as it's a plug-in (thought I
could just extend it form there). When I right click the package and try
to add a new class (to do the extension) it opens a new package within the
source above, the package is the right name but the code I paste in
doesn't work...

code from:
http://dev.eclipse.org/newslists/news.eclipse.technology.gmf /msg03725.html

The first error I get is:

"The type OpenEditorEditPolicy must implement the inherited abstract
method
OpenEditPolicy.getOpenCommand(Request)"

And the rest are type cannot be resolved errors.

What am i misssing to extend this class?

Thanks.

Re: SWT property editor [message #63977 is a reply to message #63729]

Tue, 17 October 2006 07:46

Eclipse User

GMF newsgroup is not the right place to ask general Eclipse/Java development
questions.
You can find sources for the plug-in in our downloads.

Artem

"Gaff" <conorgaff@hotmail.com> wrote in message
news:50545073bf8c1f0bdbfb5bd37a4d1721$1@www.eclipse.org...
> Hi,
>
> I've found the file but there's no source as it's a plug-in (thought I
> could just extend it form there). When I right click the package and try
> to add a new class (to do the extension) it opens a new package within the
> source above, the package is the right name but the code I paste in
> doesn't work...
>
>
> code from:
> http://dev.eclipse.org/newslists/news.eclipse.technology.gmf /msg03725.html
>
>
> The first error I get is:
>
> "The type OpenEditorEditPolicy must implement the inherited abstract
> method OpenEditPolicy.getOpenCommand(Request)"
>
> And the rest are type cannot be resolved errors.
>
> What am i misssing to extend this class?
>
> Thanks.

Previous Topic:	Transparent SVG file as a figure
Next Topic:	Filter out properties from EMF section

Goto Forum:

-=] Back to Top [=-

Current Time: Wed Jul 23 04:39:03 EDT 2025

.:: Contact :: Home ::.

Breadcrumbs

Sign up to our Newsletter