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1147
WebTree Client Side Search
posted

Hi,
  How one can search a tree and highlight the searched Item in a webtree using javascript?

Thanks

 

 

Parents
  • 28464
    posted

    Hello,

    You can use the client-side object model of the treeview (CSOM) and the getNodes method in particular (getNodes(true) mean recursive search) to obtain all nodes in the tree. Then implementing a FindNodeByText() method, finding a node and selecting it  will look something like this

    <ignav:UltraWebTree ID="UltraWebTree1" runat="server" DefaultImage=""
            HiliteClass="" HoverClass="" Indentation="20">
            <ClientSideEvents NodeClick="nodeClickHandler" />       
            <Levels>
                <ignav:Level Index="0" />
            </Levels>
            <Nodes>
                <ignav:Node Text="Root Node">
                    <Nodes>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                    </Nodes>
                </ignav:Node>
                <ignav:Node Text="Root Node">
                    <Nodes>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="NY">
                        </ignav:Node>
                    </Nodes>
                </ignav:Node>
                <ignav:Node Text="Root Node">
                    <Nodes>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                        <ignav:Node Text="Child Node">
                        </ignav:Node>
                    </Nodes>
                </ignav:Node>
            </Nodes>
        </ignav:UltraWebTree>
       
        <script language="javascript">

        
            function FindNodeByText(tree, text) {
                var nodes = tree.getNodes(true);
                for (var i = 0; i < nodes.length; i++)
                {
                    if (nodes[i].getText() == text)
                    {
                        return nodes[i];
                    }
                }           
            }

            function selectNY() {
                var tree = igtree_getTreeById("<%= UltraWebTree1.ClientID %>");
                var node = FindNodeByText(tree, "NY");
                if (node != null)
                {
                    tree.setSelectedNode(node);
                }
            }
       
        </script>
       
        <input type="button" onclick="selectNY()" id="Button1" value="Select NY" />
        

    More info on that can be found in the online help located here: (CSOM section)

    http://help.infragistics.com/NetAdvantage/NET/2008.2/CLR2.0/

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