Re: Model question ?
Just don't pass the model to another page (also don't do this for
anon-inner classes, or nested classes that carry a this pointer to the
page)
Martijn
On Sun, Aug 16, 2009 at 4:04 AM, Warren Bellwarr...@clarksnutrition.com wrote:
Is there any issues you need to be concerned with when using the page
itself as the model object?
Warren
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 5:43 PM
To: users@wicket.apache.org
Subject: RE: Model question ?
Warren,
If you don't mind your wicket:ids becoming rather misleading and
arguably slightly harder to follow (magical) Java, you can even do ...
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
setDefaultModel(new CompoundPropertyModelHomePage(this));
FormVoid form = new FormVoid(form);
add(form);
form.add(new ListChoiceVendor(vendor, vendors));
FormVendor editForm = new FormVendor(vendorEditForm);
add(editForm);
editForm.add(new TextFieldString(vendor.name));
}
private class Vendor {
private String name;
Vendor(String name) {this.name = name;}
�...@override public String toString() {return name;}
}
}
I haven't worked out how to properly paste html into nabble, so drop me
a line at the jWeekend site if you want the template code to go with
this, or a QuickStart.
Any comments on the type-parameters used above anybody?!
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
In your second example the Vendor in the vendorModel becomes the
selected Vendor from the ListChoice and that Vendor name property
becomes the value of the TextField?
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 3:47 PM
To: users@wicket.apache.org
Subject: Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this,
vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators }
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a
form with a ListChoice and a TextField. The TextField needs to access
a property of the object selected of the ListChoice. I have it all
working using a ValueMap, but that seems like overkill to use a
ValueMap for one object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new
ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a
property on the model named vendor when I realy want the selected
ListChoice vendor object be the model object and have the TextField
access the accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type
RE: Model question ?
Is there any issues you need to be concerned with when using the page
itself as the model object?
Warren
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 5:43 PM
To: users@wicket.apache.org
Subject: RE: Model question ?
Warren,
If you don't mind your wicket:ids becoming rather misleading and
arguably slightly harder to follow (magical) Java, you can even do ...
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
setDefaultModel(new CompoundPropertyModelHomePage(this));
FormVoid form = new FormVoid(form);
add(form);
form.add(new ListChoiceVendor(vendor, vendors));
FormVendor editForm = new FormVendor(vendorEditForm);
add(editForm);
editForm.add(new TextFieldString(vendor.name));
}
private class Vendor {
private String name;
Vendor(String name) {this.name = name;}
@Override public String toString() {return name;}
}
}
I haven't worked out how to properly paste html into nabble, so drop me
a line at the jWeekend site if you want the template code to go with
this, or a QuickStart.
Any comments on the type-parameters used above anybody?!
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
In your second example the Vendor in the vendorModel becomes the
selected Vendor from the ListChoice and that Vendor name property
becomes the value of the TextField?
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 3:47 PM
To: users@wicket.apache.org
Subject: Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this,
vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators }
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a
form with a ListChoice and a TextField. The TextField needs to access
a property of the object selected of the ListChoice. I have it all
working using a ValueMap, but that seems like overkill to use a
ValueMap for one object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new
ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a
property on the model named vendor when I realy want the selected
ListChoice vendor object be the model object and have the TextField
access the accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type of situation or
is
a ValueMap the best way?
Thanks,
Warren
-
To unsubscribe, e-mail: users-unsubscr
Re: Model question ?
Is there any issues you need to be concerned with when using the page itself as the model object? I don't think so. Eelco - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this, vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators
}
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a form
with a ListChoice and a TextField. The TextField needs to access a
property of the object selected of the ListChoice. I have it all working
using a ValueMap, but that seems like overkill to use a ValueMap for one
object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a property
on the model named vendor when I realy want the selected ListChoice
vendor object be the model object and have the TextField access the
accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type of situation or is a
ValueMap the best way?
Thanks,
Warren
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RE: Model question ?
In your second example the Vendor in the vendorModel becomes the
selected Vendor from the ListChoice and that Vendor name property
becomes the value of the TextField?
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 3:47 PM
To: users@wicket.apache.org
Subject: Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this, vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators }
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a
form with a ListChoice and a TextField. The TextField needs to access
a property of the object selected of the ListChoice. I have it all
working using a ValueMap, but that seems like overkill to use a
ValueMap for one object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a
property on the model named vendor when I realy want the selected
ListChoice vendor object be the model object and have the TextField
access the accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type of situation or is
a ValueMap the best way?
Thanks,
Warren
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RE: Model question ?
Warren,
Exactly - and in a very Wicket way!
Just drop the code into your IDE and run it - if there are no typos (other
than the type parameter to the TextFields - the compiler can't help you
here!) it just works.
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
In your second example the Vendor in the vendorModel becomes the
selected Vendor from the ListChoice and that Vendor name property
becomes the value of the TextField?
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 3:47 PM
To: users@wicket.apache.org
Subject: Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this, vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators }
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a
form with a ListChoice and a TextField. The TextField needs to access
a property of the object selected of the ListChoice. I have it all
working using a ValueMap, but that seems like overkill to use a
ValueMap for one object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a
property on the model named vendor when I realy want the selected
ListChoice vendor object be the model object and have the TextField
access the accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type of situation or is
a ValueMap the best way?
Thanks,
Warren
-
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RE: Model question ?
Warren,
If you don't mind your wicket:ids becoming rather misleading and arguably
slightly harder to follow (magical) Java, you can even do ...
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
setDefaultModel(new CompoundPropertyModelHomePage(this));
FormVoid form = new FormVoid(form);
add(form);
form.add(new ListChoiceVendor(vendor, vendors));
FormVendor editForm = new FormVendor(vendorEditForm);
add(editForm);
editForm.add(new TextFieldString(vendor.name));
}
private class Vendor {
private String name;
Vendor(String name) {this.name = name;}
@Override public String toString() {return name;}
}
}
I haven't worked out how to properly paste html into nabble, so drop me a
line at the jWeekend site if you want the template code to go with this, or
a QuickStart.
Any comments on the type-parameters used above anybody?!
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
In your second example the Vendor in the vendorModel becomes the
selected Vendor from the ListChoice and that Vendor name property
becomes the value of the TextField?
-Original Message-
From: jWeekend [mailto:jweekend_for...@cabouge.com]
Sent: Friday, August 14, 2009 3:47 PM
To: users@wicket.apache.org
Subject: Re: Model question ?
Warren,
... and if you prefer using a CPM for your vendorEditForms:
public class HomePage extends WebPage {
private ListVendor vendors = Arrays.asList(new Vendor(v1),
new
Vendor(v2));
private Vendor vendor = new Vendor(default vendor);
public HomePage(final PageParameters parameters) {
IModel vendorModel = new PropertyModelVendor(this, vendor);
FormVoid form = new FormVoid(form);
add(form);
// use your existing LDM instead of this hard-wired
// List of vendors but
// make sure you merge your edits properly!
form.add(new ListChoiceVendor(vendors,
vendorModel, vendors));
// using a PropertyModel per field
FormVoid editForm1 = new FormVoid(vendorEditForm1);
add(editForm1);
editForm1.add(new TextFieldVendor(name,
new PropertyModelVendor(this, vendor.name)));
// using a CompoundPropertyModel
FormVendor editForm2 = new FormVendor(vendorEditForm2,
new CompoundPropertyModelVendor(vendorModel));
add(editForm2);
editForm2.add(new TextFieldVendor(name));
}
private class Vendor implements Serializable{
private String name;
protected Vendor(String name) {this.name = name;}
public String toString(){return name;}
// safer to have accessors mutators
}
// safer to have accessors mutators }
Regards - Cemal
jWeekend
OO Java Technologies, Wicket Training and Development
http://jWeekend.com
Warren Bell-3 wrote:
How should I set up my model for the following situation. I have a
form with a ListChoice and a TextField. The TextField needs to access
a property of the object selected of the ListChoice. I have it all
working using a ValueMap, but that seems like overkill to use a
ValueMap for one object. Here is how I have it:
super(new CompoundPropertyModelValueMap(new ValueMap()));
ListChoiceVendor vendorListChoice = new ListChoiceVendor(vendor,
new LoadableDetachableModelListVendor(){...}, new
IChoiceRendererVendor(){...});
TextFieldString accountNumberField = new
TextFieldString(vendor.accountNumber);
I thought I could do something like this:
super(new CompoundPropertyModelVendor(new Vendor()));
The ListChoice is the same as above and the TextField like this:
TextFieldString accountNumberField = new
TextFieldString(accountNumber);
The problem with this is that the ListChoice is trying to set a
property on the model named vendor when I realy want the selected
ListChoice vendor object be the model object and have the TextField
access the accountNumber property of the ListChoice vendor.
How should I set up my model to deal with this type of situation or is
a ValueMap the best way?
Thanks,
Warren
-
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Re: Model Question
Is there a Calendar object under the covers somewhere? Cause it looks
like a conversion error, seeing how the months start counting from zero
in the Calendar object.
Regards,
Linda
jpalmer1...@mchsi.com wrote:
I have the following code to allow the user to select the date that a
report is to be generated for. For some reason, though, whatever date
is selected from the textfield, the previous date is being used. For
example, if the user inputs 07/06/2009 into the dateTextField,
07/05/2009 is being used. I'm assuming this is because I'm using the
wrong model, so any assistance would be greatly appreciated.
public class AccountingDashboardPage extends EzdecBaseWebPage {
private Date date;
public AccountingDashboardPage(Date date) {
if (date == null) {
this.date = new Date();
}
Form form = new Form(accountingDashboardForm, new
PropertyModel(this, date)) {
@Override
protected void onSubmit() {
Date d = (Date)getModelObject();
setResponsePage(new AccountingDashboardPage(d));
}
};
add(form);
EzdecDateTextField reportDate = new
EzdecDateTextField(stampDate, form.getModel());
reportDate.setModelValue(new String[]{new
SimpleDateFormat(MM/dd/).format(date).toString()});
form.add(reportDate);
}
}
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Re: Model question
Nothing directly. The only thing you should do is propagate the
'detach' method to your nested eventModel. The chaining model is
merely interesting for consumers of your model, so they can get to the
embedded model using a specified API.
From chapter 5 Understanding Models of Wicket in Action (the custom
models part where the quote comes from may become an appendix though):
To summarize, when you want to chain models, be sure to propagate the
detach call to the chained models. This way the whole chain will be
detached. If your custom model is part of a public API, your clients
will most likely thank you when you implement the IChainingModel
interface, providing them access to the inner model.
The IWrapModel is used for marking models that have been wrapped using
IComponentAssignedModel or IComponentInheritedModel.
Martijn
On 9/11/07, Leszek Gawron [EMAIL PROTECTED] wrote:
Assuming eventModel is loadable detachable model sould I implement some
marker interfaces in the following model?
private static class SystemWarningEventImagePathModel extends
AbstractReadOnlyModel {
private IModel eventModel;
public SystemWarningEventImagePathModel( IModel eventModel ) {
this.eventModel = eventModel;
}
@Override
public Object getObject() {
SystemWarningEvent event = (SystemWarningEvent)
eventModel.getObject();
return event.isReadFlag() ? img/mobile/event_read.png :
img/mobile/event_new.png;
}
}
There are a number to take into account: IWrapModel, IChainingModel.
Please advise.
--
Leszek Gawron
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Buy Wicket in Action: http://manning.com/dashorst
Apache Wicket 1.3.0-beta3 is released
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3.0-beta3/
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