Create JTree from Vector : JTree « Swing « Java Tutorial

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Java Tutorial » Swing » JTree   14. 66. 3. Create JTree from Vector import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTree; public class SimpleTreeTest extends JFrame {   public static void main(String[] args) {     SimpleTreeTest stt = new SimpleTreeTest();     stt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     stt.setSize(250, 250);     stt.setVisible(true);   }   public SimpleTreeTest() {     Object[] genealogy = { "A", "B", "C", "D", "E", "F" };     java.util.Vector v = new java.util.Vector() {       public String toString() {         return "DD";       }     };     v.addElement("1");     v.addElement("2");     v.addElement("3");     v.addElement("4");     genealogy[0] = v;     JTree tree = new JTree(genealogy);     tree.setRootVisible(true);     JScrollPane jsp = new JScrollPane(tree);     getContentPane().add(jsp);   } } 14. 66. JTree 14. 66. 1.  Creating a JTree 14. 66. 2.  Using Vector to store JTree values 14. 66. 3.  Create JTree from Vector 14. 66. 4.  Working with the Nodes of the Tree 14. 66. 5.  Scrolling Trees: public void scrollPathToVisible(TreePath path) and public void scrollRowToVisible(int row) 14. 66. 6.  Traversing Trees 14. 66. 7.  JTree.lineStyle client property 14. 66. 8.  Changing the icons of a tree: UIManager.put(Tree.openIcon, new ImageIcon(yourFile.gif)); 14. 66. 9.  Produce horizontal lines between level-one nodes 14. 66. 10.  Using Boolean value cell renderer to display boolean and non-boolean values 14. 66. 11.  Creating DefaultTreeCellEditor from its Default Tree Renderer 14. 66. 12.  Adding children DefaultMutableTreeNode to its parent 14. 66. 13.  JTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION) 14. 66. 14.  Traveling to all the nodes 14. 66. 15.  JTree.DynamicUtilTreeNode Class 14. 66. 16.  Tree Will Expand Listener 14. 66. 17.  To find out when a tree node has been expanded or collapsed 14. 66. 18.  Dynamic Tree 14. 66. 19.  Have the row height for each row computed individually 14. 66. 20.  Setting the Row Height of a JTree 14. 66. 21.  All rows will be given 15 pixels of height 14. 66. 22.  Preventing Expansion or Collapse of a Node in a JTree: override JTree.setExpandedState() 14. 66. 23.  Listening for Expansion and Collapse Events in a JTree Component 14. 66. 24.  Expansion and Collapse Events in a JTree are fired before a node is expanded or collapsed can be vetoed, thereby preventing the operation. 14. 66. 25.  Creating a JTree Component 14. 66. 26.  Visiting All the Nodes in a JTree Component 14. 66. 27.  Traverse all expanded nodes in tree 14. 66. 28.  Finding a Node in a JTree Component 14. 66. 29.  Search backward from last visible row looking for any visible node whose name starts with prefix. 14. 66. 30.  Find the path regardless of visibility that matches the specified sequence of names 14. 66. 31.  Preventing the Expansion or Collapse of a Node in a JTree Component 14. 66. 32.  Have a popup attached to a JTree 14. 66. 33.  Adding editable nodes to JTree 14. 66. 34.  Drag and drop of a group of files into a tree 14. 66. 35.  JTree Look and Feel