Re: Model never called
you should rather add an IModel to the link e.g. new Link(foobar, myModel);
than letting a component implement IModel. the way you did it, the model is
never recognised as a model, as it wasn't set as a model of a component.
hope that makes sense
regards,
Michael
Leucht, Axel wrote:
Hi,
I do have a link class which should render different icons when clicked.
So I decided to implement IModel and return different icons depending on
the state of the object. But to my surprise getObject() never get called!
Does anyone give me a clue where to look next or give me a hint as to how
to render the object with a different icon?
The object is used in a 10x10 board game where a player can shoot at
different squares which are rendered as links in the output. The board is
constructed as:
ListView listview = new ListView(rows, list) {
private static final long serialVersionUID = 1L;
protected void populateItem(ListItem item) {
Row row = (Row) item.getModelObject();
final Square[] squares = new Square[10];
for (int col=0; col10; col++) {
squares[col] = row.getCells(col);
}
Square square = row.getCells(0);
item.add(new Label(row,new
Model(square.getRow(;
for (int col=0; col10; col++) {
final Square aSquare =
row.getCells(col);
item.add(aSquare);
}
}
};
And the Square-Object is:
public class Square extends Link implements IModel {
@Override
public void onClick() {
System.out.println(Click: + ident);
}
@Override
public Object getObject() {
System.out.println(GetObject);
if (someState)
return icon1;
return icon2;
}
}
/Axel
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AW: Model never called
Nope, doesn't work either.
I've created a new class MySquare implementing IModel but the getObject() never
get called either.
I'm stumped.
In populateItem I do:
for (int col=0; col10; col++) {
MySquare mySquare = new MySquare();
Link link = new Link(cols+col, mySquare) {
public void onClick() {
System.out.println(clicked);
}
};
link.add(new Image(icon+col,Square.emptyResource));
item.add(link);
/Axel
-Ursprüngliche Nachricht-
Von: Michael Sparer [mailto:[EMAIL PROTECTED]
Gesendet: Mittwoch, 19. November 2008 12:37
An: users@wicket.apache.org
Betreff: Re: Model never called
you should rather add an IModel to the link e.g. new
Link(foobar, myModel);
than letting a component implement IModel. the way you did
it, the model is
never recognised as a model, as it wasn't set as a model of a
component.
hope that makes sense
regards,
Michael
Leucht, Axel wrote:
Hi,
I do have a link class which should render different icons
when clicked.
So I decided to implement IModel and return different icons
depending on
the state of the object. But to my surprise getObject()
never get called!
Does anyone give me a clue where to look next or give me a
hint as to how
to render the object with a different icon?
The object is used in a 10x10 board game where a player can
shoot at
different squares which are rendered as links in the
output. The board is
constructed as:
ListView listview = new ListView(rows, list) {
private static final long serialVersionUID = 1L;
protected void populateItem(ListItem item) {
Row row = (Row) item.getModelObject();
final Square[] squares = new Square[10];
for (int col=0; col10; col++) {
squares[col] =
row.getCells(col);
}
Square square = row.getCells(0);
item.add(new Label(row,new
Model(square.getRow(;
for (int col=0; col10; col++) {
final Square aSquare =
row.getCells(col);
item.add(aSquare);
}
}
};
And the Square-Object is:
public class Square extends Link implements IModel {
@Override
public void onClick() {
System.out.println(Click: + ident);
}
@Override
public Object getObject() {
System.out.println(GetObject);
if (someState)
return icon1;
return icon2;
}
}
/Axel
-
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Michael Sparer
http://talk-on-tech.blogspot.com
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Model never called
Hi,
I do have a link class which should render different icons when clicked.
So I decided to implement IModel and return different icons depending on the
state of the object. But to my surprise getObject() never get called!
Does anyone give me a clue where to look next or give me a hint as to how to
render the object with a different icon?
The object is used in a 10x10 board game where a player can shoot at
different squares which are rendered as links in the output. The board is
constructed as:
ListView listview = new ListView(rows, list) {
private static final long serialVersionUID = 1L;
protected void populateItem(ListItem item) {
Row row = (Row) item.getModelObject();
final Square[] squares = new Square[10];
for (int col=0; col10; col++) {
squares[col] = row.getCells(col);
}
Square square = row.getCells(0);
item.add(new Label(row,new
Model(square.getRow(;
for (int col=0; col10; col++) {
final Square aSquare =
row.getCells(col);
item.add(aSquare);
}
}
};
And the Square-Object is:
public class Square extends Link implements IModel {
@Override
public void onClick() {
System.out.println(Click: + ident);
}
@Override
public Object getObject() {
System.out.println(GetObject);
if (someState)
return icon1;
return icon2;
}
}
/Axel
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RES: Model never called
I couldn't understand the part about the icon, but what I know is that
'getObject()' will *never* be called until you set the Square object into
itself as the model:
public Square() {
setModel(this);
}
Regards,
Bruno
-Mensagem original-
De: Leucht, Axel [mailto:[EMAIL PROTECTED]
Enviada em: quarta-feira, 19 de novembro de 2008 09:28
Para: [EMAIL PROTECTED] Apache. Org (E-Mail)
Assunto: Model never called
Hi,
I do have a link class which should render different icons when clicked.
So I decided to implement IModel and return different icons depending on the
state of the object. But to my surprise getObject() never get called!
Does anyone give me a clue where to look next or give me a hint as to how to
render the object with a different icon?
The object is used in a 10x10 board game where a player can shoot at
different squares which are rendered as links in the output. The board is
constructed as:
ListView listview = new ListView(rows, list) {
private static final long serialVersionUID = 1L;
protected void populateItem(ListItem item) {
Row row = (Row) item.getModelObject();
final Square[] squares = new Square[10];
for (int col=0; col10; col++) {
squares[col] = row.getCells(col);
}
Square square = row.getCells(0);
item.add(new Label(row,new
Model(square.getRow(;
for (int col=0; col10; col++) {
final Square aSquare =
row.getCells(col);
item.add(aSquare);
}
}
};
And the Square-Object is:
public class Square extends Link implements IModel {
@Override
public void onClick() {
System.out.println(Click: + ident);
}
@Override
public Object getObject() {
System.out.println(GetObject);
if (someState)
return icon1;
return icon2;
}
}
/Axel
-
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Re: Model never called
A model is only in a link as a convenience for YOU to use. It's not used by
default - what about a link needs a model? Rather, it's for something like:
new Link(deleteUser, modelContainingUser) {
onClick() {
userDAO.delete(getModelObject());
}
}
It's for YOU to use. For instance, let's make a simpler example supposing
that you were changing the state of a label (rather than an image) with your
link. You could do something like this:
ModelString model = new ModelString(default value);
Link link = new Link(link, model) {
public void onClick() {
System.out.println(clicked);
setModelObject(I've been clicked);
}
}
link.add(new Label(label, model));
item.add(link);
The Label calls getObject() on its model because it needs data to print.
Since you share the model between the two, changing it in the link will
change it in the label.
Now, back to your image example - images use image resources, not models,
and I don't think this will work like you have it drawn. You need to
experiment with image resources for that. Hopefully this gives you a better
understanding of models, though.
--
Jeremy Thomerson
http://www.wickettraining.com
On Wed, Nov 19, 2008 at 6:57 AM, Leucht, Axel [EMAIL PROTECTED] wrote:
Nope, doesn't work either.
I've created a new class MySquare implementing IModel but the getObject()
never get called either.
I'm stumped.
In populateItem I do:
for (int col=0; col10; col++) {
MySquare mySquare = new MySquare();
Link link = new Link(cols+col, mySquare) {
public void onClick() {
System.out.println(clicked);
}
};
link.add(new Image(icon+col,Square.emptyResource));
item.add(link);
/Axel
-Ursprüngliche Nachricht-
Von: Michael Sparer [mailto:[EMAIL PROTECTED]
Gesendet: Mittwoch, 19. November 2008 12:37
An: users@wicket.apache.org
Betreff: Re: Model never called
you should rather add an IModel to the link e.g. new
Link(foobar, myModel);
than letting a component implement IModel. the way you did
it, the model is
never recognised as a model, as it wasn't set as a model of a
component.
hope that makes sense
regards,
Michael
Leucht, Axel wrote:
Hi,
I do have a link class which should render different icons
when clicked.
So I decided to implement IModel and return different icons
depending on
the state of the object. But to my surprise getObject()
never get called!
Does anyone give me a clue where to look next or give me a
hint as to how
to render the object with a different icon?
The object is used in a 10x10 board game where a player can
shoot at
different squares which are rendered as links in the
output. The board is
constructed as:
ListView listview = new ListView(rows, list) {
private static final long serialVersionUID = 1L;
protected void populateItem(ListItem item) {
Row row = (Row) item.getModelObject();
final Square[] squares = new Square[10];
for (int col=0; col10; col++) {
squares[col] =
row.getCells(col);
}
Square square = row.getCells(0);
item.add(new Label(row,new
Model(square.getRow(;
for (int col=0; col10; col++) {
final Square aSquare =
row.getCells(col);
item.add(aSquare);
}
}
};
And the Square-Object is:
public class Square extends Link implements IModel {
@Override
public void onClick() {
System.out.println(Click: + ident);
}
@Override
public Object getObject() {
System.out.println(GetObject);
if (someState)
return icon1;
return icon2;
}
}
/Axel
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
-
Michael Sparer
http://talk-on-tech.blogspot.com
--
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