RE: PropertySelection with data from Spring + Hibernate

[Henry Chen <he...@gmail.com>]

OK. It was solved after I recreated the component. This time your way
worked. Thanks.

Henry 

-----Original Message-----
From: news [mailto:news@sea.gmane.org] On Behalf Of Ron Piterman
Sent: Wednesday, March 30, 2005 3:07 PM
To: tapestry-user@jakarta.apache.org
Subject: Re: PropertySelection with data from Spring + Hibernate

????? Henry Chen:
> But the getModel() has to be static, getService() cannot be invoked in 
> this static method, Any idea?

static ? why? no, it should be just as written below, a normal instance
method. The model member is also no static member.


> 
> Henry
> 
> -----Original Message-----
> From: news [mailto:news@sea.gmane.org] On Behalf Of Ron Piterman
> Sent: Wednesday, March 30, 2005 2:16 AM
> To: tapestry-user@jakarta.apache.org
> Subject: Re: PropertySelection with data from Spring + Hibernate
> 
> ????? Henry Chen:
> 
>>Hi,
>>
>>I've been struggling on this in the past two hours and still got no 
>>way out. Help me please.
>>
>>Here is part of my .jwc:
>>............
>>    <property-specification name="AutoService"
>>        type="com.cam.auto.service.AutoManager">
>>        page.global.appContext.getBean("AutoService")
>>    </property-specification>
>>
>>    <component id="manufacturerList" type="PropertySelection">
>>        <binding name="value" expression="manufacturer"/>
>>        <binding name="model" expression="manufacturerModel"/>
>>    </component>
>>
>>    <property-specification name="manufacturerModel"
>>        type="org.apache.tapestry.form.IPropertySelectionModel"/>
>>    <property-specification name="manufacturer" 
>>type="java.lang.String"/> ...........
>>
>>And in the page object file I tried to initialize the propertyModel.
>>.......
>>    public void finishLoad() {
>>        List itemList =
>>getAutoService().getManufacturers(getPage().getLocale());
>>        String[] items = (String[])itemList.toArray();
>>        setManufacturerModel(new StringPropertySelectionModel(items));   
>>    }
>>........
> 
> Forget the finishLoad()...
> try it like this:
> 
> 
> IPropertySelectionModel model;
> 
> public IPropertySelectionModel getModel() {
> 	if (model == null) {
> 		// here comes your code...
> 		List itemList =
> 			getAutoService().
> 			getManufacturers(getPage().
> 			getLocale());
> 	         String[] items = (String[])itemList.toArray();
>          	 model = new StringPropertySelectionModel(items));
> 	}
> 	return model;
> }
> 
> Thats it
> 
>>But this produced an exception because getAutoService() returned null 
>>value. Because the page properties hadn't been set yet. But I need to 
>>set the model for component manufacturerList before the pageRender.
>>
>>Any ideas?
>>
> 
> 
> 
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