[Trinidad] How to delete a selected node from tr:tree

[Ravindra Adireddy <ad...@gmail.com>]

Hi all



I am creating a trinidad tree from ArrayList using

_model = new ChildPropertyTreeModel(getPeople(), "kids");

When the tree is created i want to *add some parent nodes and child nodes
and i have to provide on option to delete selected nodes*. Please help me.

Please post some code examples if posible.......Is there any API support to
achieve this or i need to code my self. If there is no API support please
guide me how can i write my own code to achieve this.


-- 
Thanks and Regards
Ravindra Adireddy

Re: [Trinidad] How to delete a selected node from tr:tree

[Luka Surija <lu...@iytim.hr>]

And what is the procedure to select node of in tree trough managed bean, 
without selectionListener, knowing  only selected person from the list?

Matthias Wessendorf wrote:
> You can construct a tree by:
>
>  Person john = new Person("John Smith");
>  Person kim = new Person("Kim Smith");
>  Person tom = new Person("Tom Smith");
>  Person ira = new Person("Ira Wickrememsinghe");
>  Person mallika = new Person("Mallika Wickremesinghe");
>
>  john.getKids().add(kim);
>  john.getKids().add(tom);
>  ira.getKids().add(mallika);
>
>  // create the list of root nodes:
>  List people = new ArrayList();
>  people.add(john);
>  people.add(ira);
>
>
> Now you can construct a TreeModel by:
>
>  TreeModel model = new ChildPropertyTreeModel(people, "kids");
>
>
> the constructor calls:
> -setWrappedData(...); (with people)
> -setChildProperty(...); (with "kids")
>
> setWrappedData() is overridden from javax.faces.model.DataModel;
> with getWrappedData(); you get acces to the List of people.
>
> So... what you want it to "update" the used model;
> (remove/add objects from/to the list)
>
> and you can use these methods to sync the data, represented by the
> (childproperty)treemodel.
>
> HTH,
> M
>
> On Dec 20, 2007 6:12 AM, Ravindra Adireddy <ad...@gmail.com> wrote:
>   
>> Hi all
>>
>>
>>
>>  I am creating a trinidad tree from ArrayList using
>>
>>  _model = new ChildPropertyTreeModel(getPeople(), "kids");
>>
>> When the tree is created i want to add some parent nodes and child nodes and
>> i have to provide on option to delete selected nodes. Please help me.
>>
>> Please post some code examples if posible.......Is there any API support to
>> achieve this or i need to code my self. If there is no API support please
>> guide me how can i write my own code to achieve this.
>>
>>
>> --
>> Thanks and Regards
>> Ravindra Adireddy
>>     
>
>
>
>   

Re: [Trinidad] How to delete a selected node from tr:tree

[Matthias Wessendorf <ma...@apache.org>]

You can construct a tree by:

 Person john = new Person("John Smith");
 Person kim = new Person("Kim Smith");
 Person tom = new Person("Tom Smith");
 Person ira = new Person("Ira Wickrememsinghe");
 Person mallika = new Person("Mallika Wickremesinghe");

 john.getKids().add(kim);
 john.getKids().add(tom);
 ira.getKids().add(mallika);

 // create the list of root nodes:
 List people = new ArrayList();
 people.add(john);
 people.add(ira);


Now you can construct a TreeModel by:

 TreeModel model = new ChildPropertyTreeModel(people, "kids");


the constructor calls:
-setWrappedData(...); (with people)
-setChildProperty(...); (with "kids")

setWrappedData() is overridden from javax.faces.model.DataModel;
with getWrappedData(); you get acces to the List of people.

So... what you want it to "update" the used model;
(remove/add objects from/to the list)

and you can use these methods to sync the data, represented by the
(childproperty)treemodel.

HTH,
M

On Dec 20, 2007 6:12 AM, Ravindra Adireddy <ad...@gmail.com> wrote:
> Hi all
>
>
>
>  I am creating a trinidad tree from ArrayList using
>
>  _model = new ChildPropertyTreeModel(getPeople(), "kids");
>
> When the tree is created i want to add some parent nodes and child nodes and
> i have to provide on option to delete selected nodes. Please help me.
>
> Please post some code examples if posible.......Is there any API support to
> achieve this or i need to code my self. If there is no API support please
> guide me how can i write my own code to achieve this.
>
>
> --
> Thanks and Regards
> Ravindra Adireddy



-- 
Matthias Wessendorf

further stuff:
blog: http://matthiaswessendorf.wordpress.com/
sessions: http://www.slideshare.net/mwessendorf
mail: matzew-at-apache-dot-org