I am using MVVM. Here is the simple combo box example. When the user select any entry in the list, i want to store the value part (integer) in the view model class integer variable. How we can do that ?
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<combobox
mold="rounded" hflex="1">
<comboitem label="No Listing " value="1" />
<comboitem label="Show Last 30 days Listing by DOE" value="2" />
</combobox>
something like this(the 1 and 2 are set in the vm.comboValue) :
<combobox selectedItem="@bind(vm.comboValue)">
<comboitem label="No Listing " value="1" />
<comboitem label="Show Last 30 days Listing by DOE" value="2" />
</combobox>
You can change the integer in the viewmodel to String, then it would work.
Or you can cast the numbers to integer in the zul like in this fiddle.
change :
import org.zkoss.bind.annotation;
to :
import org.zkoss.bind.annotation.*;
reason : he search for the class annotation in stead of using the whole package.
second :
Your AfterCompose class is ambigious, what means there are 2 classes with that name in the imports.
Now, for MVVM the standard initialisation is to use :
@Init
public void initsetup() }
}
You don't need to use @AfterCompose, only is rare occasions.(I never needed it in projects)
The view, don't put it there if you don't use it, it's just making the application heavier.
Your fiddle will still not work with these 2 changes because you have still an String in the zul and Integer in the viewmodel.
The above fiddle of me without the initialisation was already set up for Integer usage(old one).
I just have changed mine fiddle so it works wityh the initialisation in Integer.
Greetz chill.
Ok . One More question
What makes the difference when we use value and selected item as show here
<combobox value = "@bind(vm.comboValue)" selectedItem="@bind(vm.comboValue)">
<comboitem label="No Listing " value="1" />
<comboitem label="Show Last 30 days Listing by DOE" value="2" />
</combobox>
nah, your problem is actually you set the 1 in the zul => String. In your viewmodel you use Integer. There is an autocasting for the save but not for the load, as you call the setValue, getValue is also triggered. So as long you don't have to set the index yourself in the viewmodel, just use @save.
chillworld ( 2015-02-13 12:13:01 +0800 )editCan you please check the fiddle, it shows error when we use MVVM annotation. I am not expert in using fiddle :)
sorry senti, with copy past at the second combobox there was a ( instead of $
Asked: 2015-02-13 10:57:47 +0800
Seen: 31 times
Last updated: Feb 13 '15