List of usage examples for javax.swing.tree DefaultMutableTreeNode getNextSibling
public DefaultMutableTreeNode getNextSibling()
From source file:EditableTree.java
private MutableTreeNode getSibling(DefaultMutableTreeNode selNode) { MutableTreeNode sibling = (MutableTreeNode) selNode.getPreviousSibling(); if (sibling == null) { sibling = (MutableTreeNode) selNode.getNextSibling(); }/* w ww. jav a2s .c o m*/ return sibling; }
From source file:Main.java
public Main() { DefaultMutableTreeNode forums = new DefaultMutableTreeNode("B"); forums.add(new DefaultMutableTreeNode("T")); DefaultMutableTreeNode articles = new DefaultMutableTreeNode("A"); articles.add(new DefaultMutableTreeNode("A")); DefaultMutableTreeNode examples = new DefaultMutableTreeNode("E"); examples.add(new DefaultMutableTreeNode("E")); rootNode.add(forums);/* ww w . jav a 2s. com*/ rootNode.add(articles); rootNode.add(examples); m_tree.setEditable(true); m_tree.setSelectionRow(0); JScrollPane scrollPane = new JScrollPane(m_tree); getContentPane().add(scrollPane, BorderLayout.CENTER); JPanel panel = new JPanel(); m_addButton = new JButton("Add Node"); m_addButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { DefaultMutableTreeNode selNode = (DefaultMutableTreeNode) m_tree.getLastSelectedPathComponent(); if (selNode == null) { return; } DefaultMutableTreeNode newNode = new DefaultMutableTreeNode("New"); m_model.insertNodeInto(newNode, selNode, selNode.getChildCount()); TreeNode[] nodes = m_model.getPathToRoot(newNode); TreePath path = new TreePath(nodes); m_tree.scrollPathToVisible(path); m_tree.setSelectionPath(path); m_tree.startEditingAtPath(path); } }); panel.add(m_addButton); getContentPane().add(panel, BorderLayout.SOUTH); m_delButton = new JButton("Delete Node"); m_delButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { DefaultMutableTreeNode selNode = (DefaultMutableTreeNode) m_tree.getLastSelectedPathComponent(); if (selNode == null) { return; } MutableTreeNode parent = (MutableTreeNode) (selNode.getParent()); if (parent == null) { return; } MutableTreeNode toBeSelNode = (MutableTreeNode) selNode.getPreviousSibling(); if (toBeSelNode == null) { toBeSelNode = (MutableTreeNode) selNode.getNextSibling(); } if (toBeSelNode == null) { toBeSelNode = parent; } TreeNode[] nodes = m_model.getPathToRoot(toBeSelNode); TreePath path = new TreePath(nodes); m_tree.scrollPathToVisible(path); m_tree.setSelectionPath(path); m_model.removeNodeFromParent(selNode); } }); panel.add(m_delButton); getContentPane().add(panel, BorderLayout.SOUTH); setSize(300, 400); setVisible(true); }
From source file:com.emental.mindraider.ui.outline.OutlineJPanel.java
/** * Down concept./*from w w w .ja va2 s .co m*/ */ public boolean conceptDown() { // move concept down in the tree DefaultMutableTreeNode node = getSelectedTreeNode(); if (node != null) { DefaultMutableTreeNode parent = (DefaultMutableTreeNode) node.getParent(); if (parent != null) { DefaultMutableTreeNode nextSibling = node.getNextSibling(); if (nextSibling != null) { if (MindRaider.noteCustodian.down(MindRaider.outlineCustodian.getActiveOutlineResource(), ((OutlineNode) parent).getUri(), ((OutlineNode) node).getUri())) { int siblingIndex = parent.getIndex(nextSibling); parent.remove(node); parent.insert(node, siblingIndex); treeTable.updateUI(); logger.debug("Node moved down!"); return true; } // else node the last in the sequence } else { logger.debug("No sibling!"); } } else { logger.debug(Messages.getString("NotebookOutlineJPanel.noParent")); } } else { logger.debug(Messages.getString("NotebookOutlineJPanel.noNodeSelected")); } return false; }
From source file:GUI.MainWindow.java
private void doDelete() { DefaultTreeModel dtm = (DefaultTreeModel) VulnTree.getModel(); DefaultMutableTreeNode root = (DefaultMutableTreeNode) dtm.getRoot(); TreePath[] paths = VulnTree.getSelectionPaths(); if (paths == null) { return;//w ww. j a v a 2 s.co m } for (int i = 0; i < paths.length; i++) { TreePath path = paths[i]; DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent(); if (i == 0) { // This is the first delete operation DefaultMutableTreeNode previous = (DefaultMutableTreeNode) node.getPreviousSibling(); // Consider saving deleted vulns into a scratchpad file TODO //System.out.println("previous:" + previous); // If it is null here we have no nodes above it, we get the next sibling below if (previous == null) { previous = (DefaultMutableTreeNode) node.getNextSibling(); } // If it is still null here there are no nodes in the tree. Point to the root. Avoids NullPointerException if (previous == null) { previous = root; } TreePath p = new TreePath(previous.getPath()); VulnTree.setSelectionPath(p); } if (node.getParent() != null) { dtm.removeNodeFromParent(node); } } if (root.getChildCount() == 0) { clearGUI(); } }
From source file:org.apache.cayenne.modeler.ProjectTreeView.java
/** * Removes current node from the tree. Selects a new node adjacent to the currently * selected node instead./*from w w w. j a va 2s . c om*/ */ protected void removeNode(DefaultMutableTreeNode toBeRemoved) { // lookup for the new selected node Object selectedNode = null; TreePath selectionPath = getSelectionPath(); if (selectionPath != null) { selectedNode = selectionPath.getLastPathComponent(); } if (toBeRemoved == selectedNode) { // first search siblings DefaultMutableTreeNode newSelection = toBeRemoved.getNextSibling(); if (newSelection == null) { newSelection = toBeRemoved.getPreviousSibling(); // try parent if (newSelection == null) { newSelection = (DefaultMutableTreeNode) toBeRemoved.getParent(); // search the whole tree if (newSelection == null) { newSelection = toBeRemoved.getNextNode(); if (newSelection == null) { newSelection = toBeRemoved.getPreviousNode(); } } } } showNode(newSelection); } // remove this node getProjectModel().removeNodeFromParent(toBeRemoved); }
From source file:streamme.visuals.Main.java
public void playNodes() { DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree_files.getLastSelectedPathComponent(); if (node != null && node.isLeaf()) { DataNode dn = (DataNode) node.getUserObject(); if (!dn.isFolder()) { PlaylistManager pm = PlaylistManager.get(); DefaultMutableTreeNode parent = (DefaultMutableTreeNode) node.getParent(); pm.clearPlaylist(-1);/* w w w . ja v a2 s .c o m*/ // Get Path: javax.swing.tree.TreeNode[] tree = parent.getPath(); String path = StreamMe.OPTIONS.getOutputPath(); for (int i = 1; i < tree.length; i++) { path += "\\" + ((DataNode) ((DefaultMutableTreeNode) tree[i]).getUserObject()).getName(); } Enumeration ch = parent.children(); DefaultMutableTreeNode child = null; while (ch.hasMoreElements()) { child = (DefaultMutableTreeNode) ch.nextElement(); if (child.isLeaf()) break; } int songIdx = 0, i = 0; while (child != null) { DataNode childnode = (DataNode) child.getUserObject(); if (child == node) { songIdx = i; } pm.addToPlaylist(-1, childnode.toFileLink(path + "\\" + childnode.getName())); child = child.getNextSibling(); i++; } playSong(pm.getDefaultModelIdx(), songIdx); } } }