Examples with TreePath javax.swing.tree.TreePath used on opensource projects

Example 21 with TreePath

use of javax.swing.tree.TreePath in project binnavi by google.

the class AbstractTreeTransferHandler method drop.

@Override
public final void drop(final DropTargetDropEvent dtde) {
    if (drawImage) {
        clearImage();
    }
    final int action = dtde.getDropAction();
    final Transferable transferable = dtde.getTransferable();
    final Point pt = dtde.getLocation();
    if (transferable.isDataFlavorSupported(TransferableNode.NODE_FLAVOR) && canPerformAction(tree, draggedNode, action, pt)) {
        boolean gotData = false;
        DefaultMutableTreeNode node = null;
        try {
            node = (DefaultMutableTreeNode) transferable.getTransferData(TransferableNode.NODE_FLAVOR);
            gotData = true;
        } catch (final IOException e) {
            // TODO: This should be properly logged
            System.out.println(e);
        } catch (final UnsupportedFlavorException e) {
            // TODO: This should be properly logged
            System.out.println(e);
        }
        if (gotData) {
            final TreePath pathTarget = tree.getPathForLocation(pt.x, pt.y);
            final DefaultMutableTreeNode newParentNode = (DefaultMutableTreeNode) pathTarget.getLastPathComponent();
            if (executeDrop(tree, node, newParentNode, action)) {
                dtde.acceptDrop(action);
                dtde.dropComplete(true);
                return;
            }
        }
    } else if (canPerformAction(tree, dtde.getCurrentDataFlavors()[0], dtde.getTransferable(), action, pt)) {
        final TreePath pathTarget = tree.getPathForLocation(pt.x, pt.y);
        final DefaultMutableTreeNode newParentNode = (DefaultMutableTreeNode) pathTarget.getLastPathComponent();
        if (executeDrop(tree, dtde.getTransferable(), newParentNode, action)) {
            dtde.acceptDrop(action);
            dtde.dropComplete(true);
            return;
        }
    }
    dtde.rejectDrop();
    dtde.dropComplete(false);
}

Example 22 with TreePath

use of javax.swing.tree.TreePath in project binnavi by google.

the class TreeHelpers method expandAll.

private static void expandAll(final JTree tree, final TreePath parent, final boolean expand) {
    // Traverse children
    final TreeNode node = (TreeNode) parent.getLastPathComponent();
    if (node.getChildCount() >= 0) {
        for (final Enumeration<?> e = node.children(); e.hasMoreElements(); ) {
            final TreeNode n = (TreeNode) e.nextElement();
            final TreePath path = parent.pathByAddingChild(n);
            expandAll(tree, path, expand);
        }
    }
    // Expansion or collapse must be done bottom-up
    if (expand) {
        tree.expandPath(parent);
    } else {
        tree.collapsePath(parent);
    }
}

Example 23 with TreePath

use of javax.swing.tree.TreePath in project binnavi by google.

the class CProjectTree method showPopupMenu.

/**
   * Shows a popup menu that depends on the node that was clicked.
   * 
   * @param event The event to handle.
   */
private void showPopupMenu(final MouseEvent event) {
    final IProjectTreeNode selectedNode = (IProjectTreeNode) TreeHelpers.getNodeAt(this, event.getX(), event.getY());
    if (selectedNode == null) {
        // Show the default menu
        m_popup.show(this, event.getX(), event.getY());
    } else {
        setSelectionPath(new TreePath(((DefaultMutableTreeNode) selectedNode).getPath()));
        final JPopupMenu menu = selectedNode.getPopupMenu();
        if (menu != null) {
            menu.show(this, event.getX(), event.getY());
        }
    }
}

Example 24 with TreePath

use of javax.swing.tree.TreePath in project binnavi by google.

the class CAbstractDropHandler method canHandle.

@Override
public boolean canHandle(final DNDTree target, final Transferable transferable, final DataFlavor flavor, final int x, final int y) {
    if (!transferable.isDataFlavorSupported(m_flavor)) {
        return false;
    }
    final Object data = getData(transferable);
    if (data == null) {
        return false;
    }
    final TreePath pathTarget = target.getPathForLocation(x, y);
    if (pathTarget == null) {
        target.setSelectionPath(null);
        return false;
    }
    return canHandle((DefaultMutableTreeNode) pathTarget.getLastPathComponent(), data);
}

Example 25 with TreePath

use of javax.swing.tree.TreePath in project binnavi by google.

the class CNodeExpander method setSelectionPath.

/**
   * Selects the project tree node that represents the given object.
   * 
   * @param tree The project tree.
   * @param object Object whose node is selected.
   */
public static void setSelectionPath(final JTree tree, final Object object) {
    tree.setSelectionPath(new TreePath(new Object[] { tree.getModel().getRoot(), findNode(tree, object) }));
    tree.validate();
}