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Estimation [message #87392]

Mon, 18 April 2005 08:13

Elena Demeter

Messages: 152
Registered: July 2009

Senior Member

Hello,

as you know I would like to implement a relationship between components
that is a little bit like a relationship between a Shell and SWT Button.
In my case there is a variable:

Hashmap hm;

in the code. And if I drop a swing button on the frame a button with a
parameter hm has to be instantiated.

myButton = new MyButton(hm);

Hashmap for my button has to be like parentComposite (Shell) for SWT
button.

(1)
Do I have to develop an editpart and an editpoliy beside decoderhelper to
reach my aim ? Or do I have to implement other classes? I have already
seen how to define an editpart and an editpoliy in override files.

I know I asked you a lot about instantiating a component with a parameter.
I really appreciate that you always gave me a detailed answer.

(2)
Could you give me an estimation how complex it is to implement my case or
how long it would take? It must also be considered that I am new in this
theme.

Thank you in advance
Elena

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Re: Estimation [message #87408 is a reply to message #87392]

Mon, 18 April 2005 10:33

Elena Demeter

Messages: 152
Registered: July 2009

Senior Member

I think it is important to say that Hashmap is not a graphical class.

Thanks
Elena

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Re: Estimation [message #87457 is a reply to message #87392]

Mon, 18 April 2005 15:21

Joe Winchester

Messages: 496
Registered: July 2009

Senior Member

Hi Elena,

> Could you give me an estimation how complex it is to implement my case
> or how long it would take? It must also be considered that I am new in
> this theme.

What is the hierarchy of your classes. You said none of them were
visual but then you talked about Swing. Is your example something like

A extends Object{
public B getB();
public void setB(B);

B extends Object{
public void addA(A);
public void removeA(A);
}

What is the example of a full class .java code that contains a
relationship between parent and child you want the VE to be able to open
with ?

Best regards,

Joe

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Re: Estimation [message #87488 is a reply to message #87457]

Mon, 18 April 2005 16:37

Elena Demeter

Messages: 152
Registered: July 2009

Senior Member

Hello :o),

in my case the relationship is like this:

-------------------------------------------
Public class B extends JButton {

Public B (A a) {

a.setB(this);

}
}
-------------------------------------------

Public class A extends Hashtable {

putB(B b) {}

}
---------------------------------------------

As you see the class B is a visual class and the class A is a not visual
class. The Class A has a list of Objects of the class B. I hope it is
possible to implement my example.

Thank you very much :-)
Elena

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