TreeModel

[seema chhetri]

Hello Dear,


thanks for response. please tell me why it is not showing a +/- sign in the node . please help me out.

  

public class OdiSAPERPMetadataBrowser implements TreeModel {

      

      // The initial width and height of the frame

      private static int sWIDTH = 700;

      private static int sHEIGHT = 630;

 

 

      public DefaultMutableTreeNode jTreeRootNode, jTreeSelectedNode; //rootNode & selected node

      

      private JPanel jPanelTop = new JPanel(); 

      private JPanel jPanelSearch = new JPanel();

      private JPanel jPanelTree = new JPanel();

      private JPanel jBottomPanel = new JPanel();

      private JPanel jPanelGap1 = new JPanel();

      private JPanel jPanelGap2 = new JPanel();

      private JLabel jLabelgap = new JLabel("   ");

      

      private JLabel jLabelTName = new JLabel("Table Name:  ");

      private JLabel jLabelSDesc = new JLabel("Short Description:  ");

      private JLabel jLabelAppComp = new JLabel("Application Component:  ");

      private JLabel jLabelPkg = new JLabel("Package:  ");

      private JTextField jTxtFieldTName = new JTextField("",15);

      private JTextField jTxtFieldSDesc = new JTextField("",15);

      private JTextField jTxtFieldAppComp = new JTextField("",15);

      private JTextField jTxtFieldPkg = new JTextField("",15);

      

      private JButton jButtonSearch = new JButton("Search");

      

      private JButton jButtonCancle = new JButton("Cancel");

      private JButton jButtonReverse = new JButton("Reverse MetaDeta");

      

      private static final int BORDER = 12;  // Window border in pixels.

      private static final Object MyNode = null;

      private static final int ChildCount = 0;

      private static final String Child = null;

      private Hashtable mModuleName = null; //Hashtable of Module Name & Description

      private ArrayList mAppCompList = null; //List of Application Component & Tables

//    mSelectedTables - map of keys as selected tables name & values as their list of fields name

      private Hashtable mSelectedTables = new Hashtable();

      

      private String moduleKey = null;

      private String moduleDesc = null;

 

      public boolean isTableNodeSelected = false;

      public ArrayList mDeleselectedNodeList = new ArrayList();

      

      public JFrame frame = null;

      

      

      

      private JTree tree =null;

      private String ivTable = null;

      private String ivDesc = null;

      private String ivPackg = null;

      private String ivAPComp = null;

      public OdiSAPERPMetadataBrowser[] children;

      

      

      

      public OdiSAPERPMetadataBrowser() { ////For eclipse version

                        

            frame = new JFrame();

            frame.setTitle("SAP Metadata Browser");

            

            createSearchPanel();

            createTreePanel(); //Prepare tree panel

            

            Toolkit tk = Toolkit.getDefaultToolkit();

          Dimension screenSize = tk.getScreenSize();

          int screenHeight = screenSize.height;

          int screenWidth = screenSize.width;

          frame.setSize(sWIDTH, sHEIGHT);

          frame.setLocation(screenWidth / 4, screenHeight / 13);

          frame.setVisible(true);

 

      }////End of Default Constructor

      

      private void createSearchPanel() {

//    

            jPanelSearch.setLayout(new GridBagLayout());

             jPanelSearch.setBorder(BorderFactory.createTitledBorder("Search") );

                                      

          GridBagConstraints gBC = new GridBagConstraints();

          gBC.fill = GridBagConstraints.HORIZONTAL;

                                      

           // ****** First row of search panel ********

           //Adding first label

          // gBC.weightx = 0;

           gBC.gridx = 0;

           gBC.gridy = 0;

           jPanelSearch.add(jLabelTName, gBC);

                                      

           //Adding first text box

           gBC.gridx = 1;

           gBC.gridy = 0;

           gBC.weightx = 1.0;;

           jPanelSearch.add(jTxtFieldTName, gBC);

           

           //Adding gap between two cell in the first row

           gBC.gridx = 2;

           gBC.gridy = 0;

           jPanelSearch.add(jLabelgap, gBC);

           

           //Adding second label

           //gBC.weightx = 1.0;

           gBC.gridx = 3;

           gBC.gridy = 0;

           jPanelSearch.add(jLabelSDesc, gBC);

                                      

           //Adding second text box

           gBC.gridx = 4;

           gBC.gridy = 0;

           gBC.weightx = 1.0;

           jPanelSearch.add(jTxtFieldSDesc, gBC);     

         

             // Adding Gap between 1st & 2nd row

           gBC.gridx = 0;

           gBC.gridy = 1;

           jPanelSearch.add(jPanelGap1,gBC);  

           

           // ************* Second row of search panel *************

           //Adding third label

           gBC.gridx = 0;

           gBC.gridy = 2;

           jPanelSearch.add(jLabelAppComp, gBC);

           

           //Adding third text box

           gBC.gridx = 1;

           gBC.gridy = 2;

           gBC.weightx = 1.0;

           jPanelSearch.add(jTxtFieldAppComp, gBC);

 

           //// Adding Gap between 2nd & 3rd row

           gBC.gridx = 2;

           gBC.gridy = 2;

           jPanelSearch.add(jLabelgap, gBC);

           

           //Adding fourth label

           gBC.gridx = 3;

           gBC.gridy = 2;

           gBC.weightx = 3;

           jPanelSearch.add(jLabelPkg, gBC);

                                      

           //Adding fourth text box

           gBC.gridx = 4;

           gBC.gridy = 2;

           gBC.weightx = 1.0;

           jPanelSearch.add(jTxtFieldPkg, gBC);

 

             // ************ Adding Gap between 2nd & 3rd row *****************

           gBC.gridx = 0;

           gBC.gridy = 3;

           jPanelSearch.add(jPanelGap2,gBC);   

          

           //Adding Search button in third row

           gBC.gridx = 2;

           gBC.gridy = 4;

           jPanelSearch.add(jButtonSearch, gBC);    

           

           

           //Adding Search Panel into Top Panel

           jPanelTop.add(jPanelSearch);

             jPanelTop.setBorder(BorderFactory.createLoweredBevelBorder());

             frame.getContentPane().add(jPanelTop, BorderLayout.NORTH);

      }

      

      public Hashtable getALLSAPModules() {

            

                  Hashtable sapModList = new Hashtable();

                  sapModList.put("CA", "Cross-Application Components");

                  sapModList.put("AC", "Accounting - General");

                  sapModList.put("FI", "Financial Accounting");

                  sapModList.put("TR", "Treasury");

                  sapModList.put("CO", "Controlling");

                  sapModList.put("IM", "Investment Management");

                  sapModList.put("EC", "Enterprise Controlling");

                  sapModList.put("RE", "Real Estate Management");

                  sapModList.put("LO", "Logistics - General");

                  sapModList.put("SD", "Sales and Distribution");

                  sapModList.put("MM", "Materials Management");

                  sapModList.put("LE", "Logistics Execution");

                  sapModList.put("QM", "Quality Management");

                  sapModList.put("PM", "Plant Maintenance");

                  sapModList.put("CS", "Customer Service");

                  sapModList.put("PP", "Production Planning and Control");

                  sapModList.put("PS", "Project System");

                  sapModList.put("EHS", "Environment, Health and Safety");

                  sapModList.put("PA", "Personnel Management");

                  sapModList.put("PT", "Personnel Time Management");

                  sapModList.put("PY", "Payroll");

                  sapModList.put("PE", "Training and Event Management");

                  sapModList.put("BC", "Basis Components");

                  sapModList.put("SV", "Service");

                  

            

                  return sapModList;

                  

            }//End of getALLSAPModules method

      

      /**

       * This method is responsible to create tree node of fetched table metadata from SAP System **

       * @param 

       * @return void

       */

      

      

 

      // stubbed out methods not needed for display though for any real

      // application at least the listener methods should be implemented.

      

 

      private void createTreePanel() {

            

            // Root node and main modules

            

            jTreeRootNode = new DefaultMutableTreeNode("SAP Metadata");

            mModuleName = getALLSAPModules(); //getting SAP main module

            //enumerate all the contents of the hashtable

            Enumeration keys = mModuleName.keys();

 

            while ( keys.hasMoreElements()) {

                  moduleKey = (String)keys.nextElement();

                  moduleDesc = (String)mModuleName.get( moduleKey );

                  DefaultMutableTreeNode moduleNode = new DefaultMutableTreeNode(moduleKey + ",       " + moduleDesc);

                  jTreeRootNode.add(moduleNode); //Adding main module into tree

            } // end while

            

            

      

      

            tree = new JTree(jTreeRootNode); //making tree

            tree.putClientProperty("JTree.lineStyle", "Angled");

            

            // Setting folder icon for empty node

            Icon leafIcon = MetalIconFactory.getTreeLeafIcon();

        Icon openIcon = MetalIconFactory.getTreeFolderIcon();

           

        DefaultTreeCellRenderer dtcr = new DefaultTreeCellRenderer();

        dtcr.setLeafIcon(openIcon);

        dtcr.setOpenIcon(openIcon);

        tree.setCellRenderer(dtcr);

        // end of setting folder icon

      

            

            //Add mouse listener to add sub nodes (App. component, tables & fields) in the tree on double click

            

            

            //Add tree structure into the scrollpane & after that in the container

            JScrollPane srollpane = new JScrollPane(tree);

            jPanelTree.setLayout(new BoxLayout(jPanelTree, BoxLayout.LINE_AXIS));

            jPanelTree.add(srollpane);

        jPanelTree.setBorder(BorderFactory.createTitledBorder(""));

        frame.getContentPane().add(jPanelTree, BorderLayout.CENTER); //Adding tree in the center

      

        

         

      }//End of createTreePanel() method

      

      /**

       * This method is use to add bottom panel and handle the button listener to cancel or reverse metadata

       *   

      */

      

  

 

      /** static void main() method */

      public static void main(String args[]) {

            

            OdiSAPERPMetadataBrowser frame = new OdiSAPERPMetadataBrowser();

            

                }

 

      public Object getRoot() {

            OdiSAPERPMetadataBrowser root = new OdiSAPERPMetadataBrowser();

//          root.setName("SAP Metadata");

//          root.setDesc("");

//          root.setRoot(true);

//          return MyNode;

//          

            return root;

            

      }

 

//    private void setRoot(boolean b) {

//          setRoot(this);

//          

//    }

//

//    private void setDesc(String string) {

//          // TODO Auto-generated method stub

//          

//    }

//

//    private void setName(String string) {

//          // TODO Auto-generated method stub

//          

//    }

 

      public int getChildCount(Object parent) {

OdiSAPERPMetadataBrowser pnode;

            

int ChildCount = 0;

OdiSAPERPMetadataBrowser root = null;

            if(root instanceof OdiSAPERPMetadataBrowser){ //InfoAreas

            System.out.println("OdiSAPERPMetadataBrowser...");

            OdiSAPERPMetadataBrowser node = (OdiSAPERPMetadataBrowser) root;

            Vector childs = node.ChildCount();

      System.out.println("Node Name="+node.getALLSAPModules());

            if(childs != null){

                  ChildCount = childs.size();

            }

            if(ChildCount == 0){

                  

                  System.out.println("Get OdiSAPERPMetadataBrowser Details.....");

                  if(node.getALLSAPModules() == null)

                    

                      {

 

                              //                      Vector dataTargets = listener.getInfoAreaDetails(node);

                        node.getALLSAPModules();

//                      node.setInfoObjects((Vector)dataTargets.elementAt(1));

//                      node.setOdsdsos((Vector)dataTargets.elementAt(2));

                  }

                  ChildCount = 3;

      }

            }

            return ChildCount;

      }

      public boolean isLeaf(Object arg0) {

      if(ChildCount == 0){

            return false;

      }

      else{ 

            return true;

      }

      

      } 

 

      private Vector ChildCount() {

            return null;

      }

 

      public void addTreeModelListener(javax.swing.event.TreeModelListener l) {

            System.out.println("## addTreeModelListener()");

          }

          public void removeTreeModelListener(javax.swing.event.TreeModelListener l) {}

          public void valueForPathChanged(TreePath path, Object newValue) {

            System.out.println("## valueForPathChanged()");

          }

 

            public Object getChild(Object parent, int index) {

                  return ((OdiSAPERPMetadataBrowser)parent).children[index];

            }

 

            public int getIndexOfChild(Object parent, Object child) {

                  for (int count = getChildCount(parent), i = 0; i < count; i++)

                  if (getChild(parent, i).equals(child))

                      return i;

 

              return -1;

          }

//                return ((OdiSAPERPMetadataBrowser)parent).children[index];

 

            

            }

            
  

[Jeanne Boyarsky]

Please post this as a reply to your original thread so people know what you are asking about.