json - Extjs4: Cannot display all Tree Nodes -> TypeError: records[i] is undefined -


i error: typeerror: records[i] undefined

i json database. array, encode json looks this:

array( ['data'] => array(  [0] =>     array(  ['id'] =>     1 ['text'] =>     'country1' ['leaf'] =>     ['children'] =>     array(  [0] =>     array(  ['id'] =>     'hf' ['text'] =>     'hf' ['leaf'] => ) [1] =>     array(  ['id'] =>     'tf' ['text'] =>     'tf' ['leaf'] => ) [2] =>     array(  ['id'] =>     'sf' ['text'] =>     'sf' ['leaf'] => ) ) ) [1] =>     array(  ['id'] =>     2 ['text'] =>     'country2' ['leaf'] =>     ['children'] =>     array(  [0] =>     array(  ['id'] =>     'hf' ['text'] =>     'hf' ['leaf'] => ) [1] =>     array(  ['id'] =>     'tf' ['text'] =>     'tf' ['leaf'] => ) [2] =>     array(  ['id'] =>     'sf' ['text'] =>     'sf' ['leaf'] => ) [3] =>     array(  ['id'] =>     'sp' ['text'] =>     'sp' ['leaf'] => ) ) )

my store looks this:

ext.define('am.store.trees', { extend: 'ext.data.treestore', model: "tree", autoload: true, proxy: {     type: 'ajax',     url : 'data/ajax.tree.php',     extraparams:{         action:'gettree'     },     actionmethods: {         create : 'post',         read   : 'post',         update : 'post',         destroy: 'post'     },     reader: {         type: 'json',         root: 'data'     } } });

i can open first node "country1". subparty shown. when click on next node, error appears.

why error? can me please?

the problem same leaf (with same id) shows in multiple branches. extjs tree not handle that. either don't bring id or customize ids unique in entire tree.


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