[by xiangying.su@lmco.com]

Thank you sword-it for your test code. Your store works in my end, too. However, when I added two childern under the "algebra" (algebra I & II) then they cannot be expanded in a partially expanded...

[by xiangying.su@lmco.com]

It looks like the expandAll() method does not work when a tree in a Ext.tree.Panel is partially expanded already. We are using EXTJS v4.0.7. Is this an issue in v4.0.7? How about if we upgrade it to...

[by xiangying.su@lmco.com]

I have a tree panel with tool heads "+/-" to expand and collapse all the nodes of the tree. When the tree is completely collasped, the expandAll() works fine; however, when the tree is partially...