Example usage for javax.swing.tree DefaultMutableTreeNode getFirstLeaf

List of usage examples for javax.swing.tree DefaultMutableTreeNode getFirstLeaf

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Introduction

In this page you can find the example usage for javax.swing.tree DefaultMutableTreeNode getFirstLeaf.

Prototype

public DefaultMutableTreeNode getFirstLeaf()

Source Link

Document

Finds and returns the first leaf that is a descendant of this node -- either this node or its first child's first leaf.

Usage

From source file:uk.co.markfrimston.tasktree.Main.java

public Main(TaskTree taskTree) {
    super();//from w  w w  .  j a  v a2  s . co m

    this.taskTree = taskTree;

    this.setTitle("Task Tree");
    this.setSize(new Dimension(300, 500));
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel quickInPanel = new JPanel(new BorderLayout());
    this.quickIn = new JTextArea();
    this.quickIn.addKeyListener(new KeyAdapter() {
        public void keyReleased(KeyEvent arg0) {
            if (arg0.getKeyCode() == KeyEvent.VK_ENTER) {
                String newText = quickIn.getText().trim();
                if (newText != null && newText.length() > 0) {
                    addTask(Main.this.taskTree.getRoot(), 0, newText, true);
                    try {
                        Main.this.taskTree.changesMade();
                    } catch (Exception e) {
                        error(e.getMessage());
                    }
                }
                quickIn.setText("");
            }
        }
    });
    this.quickIn.setPreferredSize(new Dimension(300, 75));
    this.quickIn.setBorder(BorderFactory.createTitledBorder("Quick Input"));
    quickInPanel.add(this.quickIn, BorderLayout.CENTER);
    this.syncButton = new JButton("Sync");
    this.syncButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            new SyncThread(Main.this).start();
        }
    });
    quickInPanel.add(this.syncButton, BorderLayout.EAST);
    this.getContentPane().add(quickInPanel, BorderLayout.NORTH);

    this.tree = new JTree(taskTree.getTreeModel());
    DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer() {
        public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected,
                boolean expanded, boolean leaf, int row, boolean hasFocus) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
            Object newVal = htmlFilter(String.valueOf(node.getUserObject()));
            if (node.getChildCount() > 0 && !tree.isExpanded(new TreePath(node.getPath()))) {
                DefaultMutableTreeNode firstLeaf = (DefaultMutableTreeNode) node.getFirstLeaf();
                newVal = htmlFilter(String.valueOf(node.getUserObject()))
                        + " <span style='color:silver;font-style:italic'>" + "("
                        + String.valueOf(firstLeaf.getUserObject()) + ")</span>";
            }
            newVal = "<html>" + newVal + "</html>";

            return super.getTreeCellRendererComponent(tree, newVal, selected, expanded, leaf, row, hasFocus);
        }
    };
    ImageIcon bulletIcon = new ImageIcon(Main.class.getResource("bullet.gif"));
    renderer.setLeafIcon(bulletIcon);
    renderer.setOpenIcon(bulletIcon);
    renderer.setClosedIcon(bulletIcon);
    renderer.setBorder(BorderFactory.createEmptyBorder(4, 0, 4, 0));
    this.tree.setCellRenderer(renderer);
    this.tree.setRootVisible(false);
    this.tree.setShowsRootHandles(true);
    this.tree.addMouseListener(new MouseAdapter() {
        protected void doSelectRow(MouseEvent arg0) {
            int row = tree.getRowForLocation(arg0.getX(), arg0.getY());
            if (row != -1) {
                tree.setSelectionRow(row);
                if (arg0.isPopupTrigger()) {
                    popup.show(tree, arg0.getX(), arg0.getY());
                }
            }
        }

        public void mousePressed(MouseEvent arg0) {
            doSelectRow(arg0);
        }

        public void mouseReleased(MouseEvent arg0) {
            doSelectRow(arg0);
        }
    });
    JScrollPane treeScroll = new JScrollPane(tree);
    treeScroll.setBorder(BorderFactory.createTitledBorder("Task List"));
    this.getContentPane().add(treeScroll, BorderLayout.CENTER);

    this.popup = new JPopupMenu();
    JMenuItem addBefore = new JMenuItem("Add Before");
    addBefore.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            int pos = parent.getIndex(selected);
            promptAndInsert(parent, pos);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(addBefore);
    JMenuItem addAfter = new JMenuItem("Add After");
    addAfter.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            int pos = parent.getIndex(selected) + 1;
            promptAndInsert(parent, pos);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(addAfter);
    JMenuItem addNested = new JMenuItem("Add Nested");
    addNested.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            int pos = selected.getChildCount();
            promptAndInsert(selected, pos);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                ex.getMessage();
            }
        }
    });
    this.popup.add(addNested);
    this.popup.add(new JSeparator());
    JMenuItem moveTop = new JMenuItem("Move to Top");
    moveTop.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            moveTask(selected, parent, 0);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(moveTop);
    JMenuItem moveUp = new JMenuItem("Move Up");
    moveUp.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            int pos = Math.max(parent.getIndex(selected) - 1, 0);
            moveTask(selected, parent, pos);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(moveUp);
    JMenuItem moveDown = new JMenuItem("Move Down");
    moveDown.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            int pos = Math.min(parent.getIndex(selected) + 1, parent.getChildCount() - 1);
            moveTask(selected, parent, pos);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(moveDown);
    JMenuItem moveBottom = new JMenuItem("Move to Bottom");
    moveBottom.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            DefaultMutableTreeNode parent = (DefaultMutableTreeNode) selected.getParent();
            moveTask(selected, parent, parent.getChildCount() - 1);
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(moveBottom);
    this.popup.add(new JSeparator());
    JMenuItem rename = new JMenuItem("Edit");
    rename.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode selected = getSelectedNode();
            String newText = prompt((String) selected.getUserObject());
            if (newText != null && newText.length() > 0) {
                selected.setUserObject(newText);
                Main.this.taskTree.getTreeModel().reload(selected);
                try {
                    Main.this.taskTree.changesMade();
                } catch (Exception ex) {
                    error(ex.getMessage());
                }
            }
        }
    });
    this.popup.add(rename);
    JMenuItem delete = new JMenuItem("Delete");
    delete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            promptAndRemove(getSelectedNode());
            try {
                Main.this.taskTree.changesMade();
            } catch (Exception ex) {
                error(ex.getMessage());
            }
        }
    });
    this.popup.add(delete);

    this.setVisible(true);

    loadConfig();
    load();

    syncButton.setVisible(this.taskTree.hasSyncCapability());
}

From source file:ai.aitia.meme.paramsweep.intellisweepPlugin.JgapGAPlugin.java

public void setRecordableVariables(final DefaultMutableTreeNode root) {
    final List<RecordableInfo> newList = new ArrayList<RecordableInfo>();

    if (root.getChildCount() > 0) {
        final DefaultMutableTreeNode recorder = (DefaultMutableTreeNode) root.getChildAt(0);
        final ResultInfo resultInfo = (ResultInfo) recorder.getFirstLeaf().getUserObject();
        workspace = new File(resultInfo.getFile()).getParentFile();
        //first two children contains recorder meta data
        for (int j = 2; j < recorder.getChildCount(); ++j) {
            final RecordableElement re = (RecordableElement) ((DefaultMutableTreeNode) recorder.getChildAt(j))
                    .getUserObject();//from   w  ww . j a v a  2 s .  c o m
            final RecordableInfo recInfo = new RecordableInfo(
                    re.getAlias() != null ? re.getAlias() : re.getInfo().getName(), re.getInfo().getJavaType(),
                    re.getInfo().getName());
            if (!newList.contains(recInfo) && re.getInfo().isNumeric()) {
                newList.add(recInfo);
            }
        }
    }

    final RecordableInfo oldSelectedFunction = selectedFunction;
    removeAllFitnessFunctions();
    fitnessFunctions.addAll(newList);

    if (listeners != null) {
        for (final ModelListener listener : listeners) {
            listener.fitnessFunctionAdded();
        }
    }

    if (oldSelectedFunction != null) {
        RecordableInfo selectedFunctionInTheList = null;
        for (final RecordableInfo ri : fitnessFunctions) {
            if (ri.equals(oldSelectedFunction)) {
                // accessible name equality
                selectedFunctionInTheList = ri;
            }
        }

        if (selectedFunctionInTheList != null) {
            selectedFunction = selectedFunctionInTheList;
            if (listeners != null) {
                for (final ModelListener listener : listeners) {
                    listener.fitnessFunctionSelected(selectedFunction);
                }
            }
        }

    }

}

From source file:pt.ua.dicoogle.rGUI.client.windows.MainWindow.java

public void updateP2PThumbnail(SearchResult result) {
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) getjTreeResults().getLastSelectedPathComponent();
    if (node == null) {
        return;/*from  w  ww  . j  av a 2s .  com*/
    }

    Object nodeInfo = null;
    DefaultMutableTreeNode nodeLeaf = null;

    if (node.getLevel() == 4 || (node.isLeaf() && node.getLevel() > 1)) {
        Object nodeInfoLeaf = null;

        if (node.getLevel() == 4) {
            nodeLeaf = node.getFirstLeaf();
            nodeInfoLeaf = nodeLeaf.getUserObject();
        } else {
            // Leaf
            nodeInfo = node.getUserObject();
            nodeLeaf = node;
            nodeInfoLeaf = nodeInfo;
        }

        //SearchResult r = (SearchResult) nodeInfoLeaf;

        if (nodeInfoLeaf == result) {
            showThumbnail(result.getExtrafields().get("Thumbnail"));
        }
    }

}

From source file:pt.ua.dicoogle.rGUI.client.windows.MainWindow.java

private void jTreeResultsValueChanged(javax.swing.event.TreeSelectionEvent evt) {//GEN-FIRST:event_jTreeResultsValueChanged

    DefaultMutableTreeNode node = (DefaultMutableTreeNode) getjTreeResults().getLastSelectedPathComponent();
    if (node == null) {
        return;//from  w ww .jav  a  2s  . co  m
    }
    this.jButtonDownload.setEnabled(false);
    Object nodeInfo = null;
    DefaultMutableTreeNode nodeLeaf = null;

    if (node.getLevel() == 4 || (node.isLeaf() && node.getLevel() > 1)) {
        Object nodeInfoLeaf = null;

        if (node.getLevel() == 4) {
            nodeLeaf = node.getFirstLeaf();
            nodeInfoLeaf = nodeLeaf.getUserObject();
        } else {
            // Leaf
            nodeInfo = node.getUserObject();
            nodeLeaf = node;
            nodeInfoLeaf = nodeInfo;
        }

        SearchResult r = (SearchResult) nodeInfoLeaf;

        Hashtable extras = r.getExtrafields();
        String thumb = (String) extras.get("Thumbnail");

        //System.out.println("Filename: " + r.getFileName());
        //System.out.println("FileHash: " + r.getFileHash());

        if (thumb != null) {
            showThumbnail(thumb);
        } else if (!SearchResult.class.isInstance(nodeInfoLeaf)
                && SearchResult.class.isInstance(nodeInfoLeaf)) {
            SearchResult res = searchTree.searchThumbnail(r.getFileName(), r.getFileHash());

            if (res != null) {
                Hashtable extras2 = res.getExtrafields();

                if (extras2 != null) {
                    thumb = (String) extras2.get("Thumbnail");

                    if (thumb != null) {
                        extras.put("Thumbnail", thumb); // put the thumbnail in the original SearchResult

                        showThumbnail(thumb);
                    } else {
                        cleanThumbnails();
                    }
                }
            }
        } else if (SearchResult.class.isInstance(nodeInfoLeaf)) {
            searchTree.searchP2PThumbnail((SearchResult) r);
            cleanThumbnails();
        } else {
            cleanThumbnails();
        }

    } else {
        cleanThumbnails();
    }

    //Controll the enable buttons
    if (node.isLeaf()) {
        jButtonDump.setEnabled(true);
        IPluginControllerUser plugins = null;
        try {
            plugins = this.clientCore.getUser().getPluginController();

            if ((SearchResult) nodeInfo == null) {

            }

            if (!plugins.isLocalPlugin(((SearchResult) nodeInfo).getPluginName())) {
                jButtonDownload.setEnabled(true);
                jButtonSend.setEnabled(false);
            } else {
                jButtonSend.setEnabled(true);
                jButtonView.setEnabled(true);
            }
        } catch (RemoteException ex) {
            Logger.getLogger(MainWindow.class.getName()).log(Level.SEVERE, null, ex);
        }
    } else {
        jButtonDump.setEnabled(false);
        jButtonDownload.setEnabled(false);
        jButtonView.setEnabled(false);

        jButtonSend.setEnabled(true);
    }
}

From source file:streamme.visuals.Main.java

public void addToPlaylist(DefaultMutableTreeNode node, int listIdx, boolean recursive) {
    DefaultMutableTreeNode leaf = node.getFirstLeaf();
    while (node.isNodeDescendant(leaf)) {
        DataNode dn = (DataNode) leaf.getUserObject();
        javax.swing.tree.TreeNode[] tree = leaf.getPath();
        String path = StreamMe.OPTIONS.getOutputPath();
        for (int i = 1; i < tree.length; i++) {
            path += "\\" + ((DataNode) ((DefaultMutableTreeNode) tree[i]).getUserObject()).getName();
        }//from   ww w  . j  a  va 2s .c o  m
        PlaylistManager.get().addToPlaylist(listIdx, dn.toFileLink(path));
        leaf = leaf.getNextLeaf();
    }
}