Here is my JTree
javax.swing.tree.DefaultMutableTreeNode treeNode1 = new javax.swing.tree.DefaultMutableTreeNode(".Net Framework");
javax.swing.tree.DefaultMutableTreeNode treeNode2 = new javax.swing.tree.DefaultMutableTreeNode("Install");
javax.swing.tree.DefaultMutableTreeNode treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V1");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V2");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V3");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V4");
treeNode2.add(treeNode3);
treeNode1.add(treeNode2);
treeNode2 = new javax.swing.tree.DefaultMutableTreeNode("Repair");
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V1");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V2");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V3");
treeNode2.add(treeNode3);
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("V4");
treeNode2.add(treeNode3);
treeNode1.add(treeNode2);
treeNode2 = new javax.swing.tree.DefaultMutableTreeNode("Removal");
treeNode3 = new javax.swing.tree.DefaultMutableTreeNode("Remove All");
treeNode2.add(treeNode3);
treeNode1.add(treeNode2);
jTree2.setModel(new javax.swing.tree.DefaultTreeModel(treeNode1));
jScrollPane5.setViewportView(jTree2);
here is the code that almost works
DefaultMutableTreeNode node = (DefaultMutableTreeNode) jTree2.getLastSelectedPathComponent();
if (node == null) {
//Nothing is selected.
return;
}
if (node.isLeaf()) {
System.out.println(node);
}
I want to be able to make if statements that say if leaf node V1 in the Install Node, then do this. Just not sure what to do with if(node.equals(thisleaf)))
, what the thisleaf
object should be equal to.
Declare a field
private DefaultMutableTreeNode v1Node;
Change the third line to
this.v1Node = new DefaultMutableTreeNode("V1");
and use
if (node.equals(this.v1Node))
Side note: you should import javax.swing.tree.DefaultMutableTreeNode
and make your code more readable by simply using DefaultMutableTreeNode
instead of the fully qualified name. You should also choose meaningful variable names instead of treeNode1, jTree2, etc. Such bad names make the code very hard to understand.
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