Tree 选择所有子项后再选择其父项
在可检查树面板中,我希望自动检查已检查节点的所有子节点。我如何才能做到这一点?尝试将这样的侦听器添加到树存储中:Tree 选择所有子项后再选择其父项,tree,extjs4,Tree,Extjs4,在可检查树面板中,我希望自动检查已检查节点的所有子节点。我如何才能做到这一点?尝试将这样的侦听器添加到树存储中: listeners: { update: function(store,node,op,modifiedFields){ //If our checked value has changed if(modifiedFields && Ext.Array.contains(modifiedFields,'checked')){
listeners: {
update: function(store,node,op,modifiedFields){
//If our checked value has changed
if(modifiedFields && Ext.Array.contains(modifiedFields,'checked')){
var isChecked = node.get('checked');
node.eachChild(function(childNode){
//set each child node to it's parent's checked value
childNode.set('checked',isChecked);
});
}
}
}