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How to get all the selected items inside a tree model

asked 2013-02-04 15:10:40 +0800

kazma gravatar image kazma
15 3

am trying to get all the selected items inside a tree model with the following ZKscript:

Iterator it = tree.getSelectedItems().iterator();

    while (it.hasNext()){
        Treeitem treeitem = it.next();
        alert("you select item - "+treeitem.getLabel());
    }

but all it returns the first level of my tree knowing that my tree has three or four levels or childs how can i retrieve the label of those childs with zscript plz!!!

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answered 2013-02-04 17:49:40 +0800

sjoshi gravatar image sjoshi flag of India
3493 1 8
http://zkframeworkhint.bl...

updated 2013-02-05 08:24:11 +0800

You can refer following demo example...

ViewModel for tree example

public class TreeSelectionVM {

    private TreeModel<TreeNode<String>> itemTree;
    private String pickedItem;
    //omit getter and setter for brevity
}

And ZUL Page code

<window apply="org.zkoss.bind.BindComposer"
    viewModel="@id('vm') @init('org.zkoss.reference.developer.mvvm.collection.TreeSelectionVM')">
    <tree id="tree" model="@bind(vm.itemTree) " width="600px"
    selectedItem="@bind(vm.pickedItem)">
        <treecols>
            <treecol label="name" />
            <treecol label="index" />
        </treecols>
        <template name="model" var="node" status="s">
            <treeitem open="@bind(node.open)">
                <treerow>
                    <treecell label="@bind(node.data)" />
                    <treecell label="@bind(s.index)" />
                </treerow>
            </treeitem>
        </template>
    </tree>
</window>

For more information you can refer ZK Official Document

For Single selection of item developer can use

 selectedItem="@bind(vm.pickedItem

and for multiple item selection

selectedItems="@bind(vm.pickedItemSet)"

I think you did not checked link posted by me See there

Binding to Selected Item

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does this work for for getting only one selected item or it returns all the selected items in the tree ??? thank you very much!

kazma ( 2013-02-04 19:30:49 +0800 )edit

check I Edited my answer.

sjoshi ( 2013-02-05 05:08:02 +0800 )edit

could u plz be more specific on how to implement in the view Model its not clear to me plus there is no such tag as "selectedItems" in a tree i just checked thank u!

kazma ( 2013-02-05 07:19:52 +0800 )edit

Answer edited again please check link added in answer

sjoshi ( 2013-02-05 08:25:05 +0800 )edit

yes i did but am using a Select composer (MVC) i cannot use binding do you have a solution for me plz ?

kazma ( 2013-02-05 08:30:10 +0800 )edit
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Asked: 2013-02-04 15:10:40 +0800

Seen: 85 times

Last updated: Feb 05 '13

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