Example usage for weka.gui.treevisualizer TreeBuild create

Introduction

In this page you can find the example usage for weka.gui.treevisualizer TreeBuild create.

Prototype

public Node create(Reader t) 

Source Link

Document

This will build A node structure from the dotty format passed.

Usage

From source file:adams.flow.sink.WekaTreeVisualizer.java

License:Open Source License

/**
 * Creates a tree visualizer from the token.
 * //from   w ww  . j  av  a2s. com
 * @param token   the input
 * @return      the tree visualizer or null in case of an error
 */
protected TreeVisualizer createTreeVisualizer(Token token) {
    TreeVisualizer result;
    Reader reader;
    TreeBuild builder;
    Node top;
    NodePlace arrange;
    Object input;

    result = null;

    try {
        input = token.getPayload();
        if (input instanceof WekaModelContainer)
            input = ((WekaModelContainer) input).getValue(WekaModelContainer.VALUE_MODEL);

        if (input instanceof String) {
            reader = new StringReader((String) input);
        } else if (input instanceof File) {
            reader = new BufferedReader(new FileReader(((File) input).getAbsolutePath()));
        } else {
            if (((Drawable) input).graphType() != Drawable.TREE)
                throw new IllegalArgumentException(
                        token.getPayload().getClass().getName() + " does not generate a tree!");
            reader = new StringReader(((Drawable) input).graph());
        }
    } catch (Exception e) {
        handleException("Failed to instantiate reader for input!", e);
        return result;
    }

    builder = new TreeBuild();
    top = null;
    arrange = new PlaceNode2();
    try {
        top = builder.create(reader);
        result = new TreeVisualizer(null, top, arrange);
    } catch (Exception e) {
        handleException("Failed to parse dot notation!", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception e) {
                // ignored
            }
        }
    }

    return result;
}

---

From source file:adams.gui.menu.TreeVisualizer.java

License:Open Source License

/**
 * Launches the functionality of the menu item.
 *///from  www. ja  va2 s .  c om
@Override
public void launch() {
    String filename;
    int retVal;
    TreeBuild builder;
    Node top;
    NodePlace arrange;
    ChildFrame frame;
    FileReader reader;

    if (m_Parameters.length == 0) {
        // choose file
        retVal = m_FileChooser.showOpenDialog(null);
        if (retVal != JFileChooser.APPROVE_OPTION)
            return;
        filename = m_FileChooser.getSelectedFile().getAbsolutePath();
    } else {
        filename = new PlaceholderFile(m_Parameters[0]).getAbsolutePath();
    }

    // build tree
    builder = new TreeBuild();
    top = null;
    arrange = new PlaceNode2();
    reader = null;
    try {
        reader = new FileReader(filename);
        top = builder.create(reader);
    } catch (Exception e) {
        GUIHelper.showErrorMessage(getOwner(),
                "Error loading file '" + filename + "':\n" + Utils.throwableToString(e));
        return;
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception e) {
                // ignored
            }
        }
    }

    // create frame
    frame = createChildFrame(new weka.gui.treevisualizer.TreeVisualizer(null, top, arrange),
            GUIHelper.getDefaultDialogDimension());
    frame.setTitle(frame.getTitle() + " - " + filename);
}

---

From source file:de.fub.maps.project.detector.model.inference.impl.ShowGraphAction.java

License:Open Source License

private JComponent createTreeGraph(String graphDescriptor) {
    TreeBuild builder = new TreeBuild();
    NodePlace placeNode = new PlaceNode2();
    Node node = builder.create(new StringReader(graphDescriptor));
    return new TreeVisualizer(null, node, placeNode);
}

---

From source file:meka.gui.explorer.classify.ShowGraphs.java

License:Open Source License

/**
 * Returns the action lister to use in the menu.
 *
 * @param history   the current history/*from w  ww  . j av  a 2 s  .  co  m*/
 * @param index     the selected history item
 * @return          the listener
 */
@Override
public ActionListener getActionListener(final ResultHistoryList history, final int index) {
    final MultiLabelDrawable d = (MultiLabelDrawable) getClassifier(history, index);

    return new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            Map<Integer, String> graphs;
            Map<Integer, Integer> types;
            java.util.List<Integer> keys;
            try {
                types = d.graphType();
                graphs = d.graph();
                keys = new ArrayList<Integer>(types.keySet());
            } catch (Exception ex) {
                System.err.println("Failed to obtain graph(s):");
                ex.printStackTrace();
                return;
            }
            JDialog dialog = new JDialog((Frame) null, history.getSuffixAt(index), false);
            dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
            JTabbedPane tabbed = new JTabbedPane();
            dialog.getContentPane().setLayout(new BorderLayout());
            dialog.getContentPane().add(tabbed, BorderLayout.CENTER);
            for (Integer label : keys) {
                int type = types.get(label);
                JComponent comp = null;
                switch (type) {
                case MultiLabelDrawable.TREE:
                    TreeBuild b = new TreeBuild();
                    PlaceNode2 arrange = new PlaceNode2();
                    Node top = b.create(new StringReader(graphs.get(label)));
                    comp = new TreeVisualizer(null, top, arrange);
                    break;
                case MultiLabelDrawable.BayesNet:
                    GraphVisualizer g = new GraphVisualizer();
                    g.readDOT(new StringReader(graphs.get(label)));
                    comp = g;
                    break;
                default:
                    System.err.println("Unsupported graph type for label " + label + ": " + type);
                }
                if (comp != null)
                    tabbed.addTab("" + label, comp);
            }
            dialog.setSize(800, 600);
            dialog.setLocationRelativeTo(null);
            dialog.setVisible(true);
        }
    };
}

---