[coolite] TreePanel CheckBox联动

function treepanelcheck(item) {

    treepanelchildcheck(item);
treepanelparentcheck(item);
}
function treepanelchildcheck(item) {
    var chNode;

    if (item.childNodes.length > 0) {
        if (item.attributes.checked == true) {
            for (var i = 0; i < item.childNodes.length; i++) {
                chNode = item.childNodes[i];
                chNode.attributes.checked = true;
                chNode.getUI().checkbox.checked = true;


            }
        }
        if (item.attributes.checked == false) {
            for (var i = 0; i < item.childNodes.length; i++) {
                chNode = item.childNodes[i];
                chNode.attributes.checked = false;
                chNode.getUI().checkbox.checked = false;

            }
        }
    }
}
function treepanelparentcheck(item) {
    var chNode;
    var checkBool;
    if (item.parentNode.parentNode != null) {
        if (item.attributes.checked == false) {

            for (var i = 0; i < item.parentNode.childNodes.length; i++) {

                chNode = item.parentNode.childNodes[i];
                if (chNode.attributes.checked == true) {
                    checkBool = true;
                    break;
                }

                //chNode.attributes.checked = true;

            }
            if (checkBool == true) {
                item.parentNode.attributes.checked = true;
                item.parentNode.getUI().checkbox.checked = true;
            }
            else {
                item.parentNode.attributes.checked = false;
                item.parentNode.getUI().checkbox.checked = false;
            }
        }
        if (item.attributes.checked == true) {
            item.parentNode.attributes.checked = true;
            if (item.parentNode.getUI().checkbox != null) {
                item.parentNode.getUI().checkbox.checked = item.attributes.checked;
            }
        }
    }
}

 

<Listeners>                                   
                                     
                                        <CheckChange Handler="treepanelcheck(node)" />                                                              
                                    </Listeners>