Partial selection of child does not keep parent node selected
Hi All,
Please help! I have a checkbox JTree which is working fine in all regard as I want except one condition i.e. if all child(leaf) of a parent are not selected parent gets deselected i.e. if we uncheck any child(leaf) node parent will get unselected even if there are some child are selected. I am posing code for the model. let me know if I need to post other codes also
tree.setModel(new DefaultTreeModel(rootNode1) {
public void valueForPathChanged(TreePath path, Object newValue) {
Object currNode = path.getLastPathComponent();
super.valueForPathChanged(path, newValue);
if ((currNode != null) && (currNode instanceof DefaultMutableTreeNode)) {
DefaultMutableTreeNode editedNode = (DefaultMutableTreeNode) currNode;
CheckBoxNode newCBN = (CheckBoxNode) newValue;
//CheckBoxNode newCBN1 = (CheckBoxNode) newValue;
if (!editedNode.isLeaf()) {
int i=0;
//for (int i = 0; i < editedNode.getChildCount(); i++) {
while(i < editedNode.getChildCount()){
System.out.println("child count root"+editedNode.getChildCount());
System.out.println("child count root i"+i);
DefaultMutableTreeNode node = (DefaultMutableTreeNode) editedNode.getChildAt(i);
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
cbn.setSelected(newCBN.isSelected());
if(!editedNode.getChildAt(i).isLeaf())
for(int j=0;j<editedNode.getChildAt(i).getChildCount();j++)
System.out.println("child count roottt"+editedNode.getChildCount());
System.out.println("child count root j"+j);
DefaultMutableTreeNode node1 = (DefaultMutableTreeNode) editedNode.getChildAt(i).getChildAt(j);
CheckBoxNode cbn1 = (CheckBoxNode) node1.getUserObject();
//cbn1.setSelected(true);
cbn1.setSelected(newCBN.isSelected());
i++;
else{
boolean isAllChiledSelected = true;
for (int i = 0; i < editedNode.getParent().getChildCount(); i++) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) editedNode.getParent().getChildAt(i);
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
if(!cbn.isSelected()){
isAllChiledSelected = false;
if(isAllChiledSelected){
DefaultMutableTreeNode node = (DefaultMutableTreeNode)editedNode.getParent();
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
cbn.setSelected(isAllChiledSelected);
if (!newCBN.isSelected()) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) editedNode.getParent();
if (node.getUserObject() instanceof CheckBoxNode)
((CheckBoxNode) node.getUserObject()).setSelected(false);
/*if (!newCBN.isSelected()) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) editedNode.getParent();
if (node.getUserObject() instanceof CheckBoxNode)
((CheckBoxNode) node.getUserObject()).setSelected(false);
});
Hi Thomas,
Sorry for late reply due to weekend.
I had already tried your suggestion but it is not working. Do not know why? here is the code.
else {
int countselection=0;
int t=editedNode.getParent().getChildCount();
for (int i = 0; i < editedNode.getParent().getChildCount(); i++) {
DefaultMutableTreeNode node = (DefaultMutableTreeNode) editedNode.getParent().getChildAt(i);
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
if(cbn.isSelected()){
countselection= countselection+1;
if(icountselection==0 ){
DefaultMutableTreeNode node = (DefaultMutableTreeNode)editedNode.getParent();
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
cbn.setSelected(false );}
else if(countselection==1 && countselection<=t)
DefaultMutableTreeNode node = (DefaultMutableTreeNode)editedNode.getParent();
CheckBoxNode cbn = (CheckBoxNode) node.getUserObject();
cbn.setSelected(true );
}}
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