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  1. #1
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    Join Date
    Jul 2011
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    mimmo.rossi73 is on a distinguished road

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    Default TreePanel add children problem

    TreePanel add children problem


    Hi All,
    i have this
    Code:
        var tree = new Ext.tree.TreePanel({
            id:'treeTypeGraph',
            loader:new Ext.tree.TreeLoader(),
            width:200,
            height:400,
            renderTo:Ext.getBody(),
            root:new Ext.tree.AsyncTreeNode({
                id:'root',
                expanded:true,
                leaf:false,
                text:'Tree Root',
                children:[]
            }) 
            listeners: {
              render : function( _this) {
               load();
              }
        });
    
    function load(){
        var arrChildrenTreeMP= new Array();
        
        var aNode= new Ext.data.Node();
        aNode.id= "cMP_1a";
        aNode.text= "1 a";
        var attr= new Array();
     attr["code"]="code_n1a";
     attr["desc"]="NODE 1 a";
     aNode.attributes= attr;
     aNode.leaf= true; 
     arrChildrenTreeMP[arrChildrenTreeMP.length]= aNode;
     
        var aNodea= new Ext.data.Node();
        aNodea.id= "cMP_1b";
        aNodea.text= "1 b";
        var attra= new Array();
     attra["code"]="code_n1b";
     attra["desc"]="NODE 1 b";
     aNodea.attributes= attra;
     aNodea.leaf= true; 
     arrChildrenTreeMP[arrChildrenTreeMP.length]= aNodea; 
     
     
     
     var root= Ext.getCmp('treeTypeGraph').getRootNode();
     root.appendChild(arrChildrenTreeMP);
     Ext.getCmp('treeTypeGraph').doLayout(); 
    }
    but the array does'nt load...what is wrong?

  2. #2
    Sencha User
    Join Date
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    Posts
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    Default New Code same problem

    New Code same problem


    Hi, with this new code
    Ext.onReady(function(){
    function loadArr(){
    var rootNode= new Ext.tree.AsyncTreeNode({
    id:'rootT',
    expanded:true,
    leaf:false,
    text:'Tree Root'
    })

    var aNode= new Ext.data.Node();
    aNode.nodeType= "node";
    aNode.id= "cMP_1a";
    aNode.text= "1 a";
    aNode.leaf= true;
    aNode.expanded= false;

    rootNode.appendChild(aNode);
    Ext.getCmp('treeTypeGraph').setRootNode(rootNode);
    Ext.getCmp('treeTypeGraph').render();

    //rootNode.expand(false, /*no anim*/ false);

    }

    var tree = new Ext.tree.TreePanel({
    id:'treeTypeGraph',
    loader:new Ext.tree.TreeLoader(),
    width:200,
    height:400,
    renderTo:Ext.getBody()
    ,listeners: {
    render: function(_this){
    loadArr();
    }
    }
    });
    });


    i have this problem:

    TreeRoot.JPG
    and if i uncomment this line:
    //rootNode.expand(false, /*no anim*/ false);

    i receive this error:
    msg_error.JPG

    Can someone help me?
    Thanks in advance.

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