コード例 #1
0
ファイル: GraphMLReader.java プロジェクト: iadgov/GRASSMARLIN
    protected void addToSchema() {
      if (m_name == null || m_name.length() == 0) error("Empty " + KEY + " name.");
      if (m_type == null || m_type.length() == 0) error("Empty " + KEY + " type.");

      try {
        Class type = parseType(m_type);
        Object dflt = m_dflt == null ? null : parse(m_dflt, type);

        if (m_for == null || m_for.equals(ALL)) {
          m_nsch.addColumn(m_name, type, dflt);
          m_esch.addColumn(m_name, type, dflt);
        } else if (m_for.equals(NODE)) {
          m_nsch.addColumn(m_name, type, dflt);
        } else if (m_for.equals(EDGE)) {
          m_esch.addColumn(m_name, type, dflt);
        } else {
          error("Unrecognized \"" + FOR + "\" value: " + m_for);
        }
        m_idMap.put(m_id, m_name);

        m_dflt = null;
      } catch (DataParseException dpe) {
        error(dpe);
      }
    }
コード例 #2
0
 private Table createTableSchema(Schema graphSchema, Table t) {
   for (int i = 0; i < graphSchema.getColumnCount(); i++) {
     t.addColumn(graphSchema.getColumnName(i), graphSchema.getColumnType(i));
   }
   t.addColumn(UNIQUE_INDEX_COLUMN_NAME, int.class);
   t.addColumn(COMBINE_VALUES_COLUMN_NAME, String.class, "*");
   return t;
 }
コード例 #3
0
ファイル: GraphMLReader.java プロジェクト: iadgov/GRASSMARLIN
 protected void schemaCheck() {
   if (inSchema) {
     m_nsch.lockSchema();
     m_esch.lockSchema();
     m_nodes = m_nsch.instantiate();
     m_edges = m_esch.instantiate();
     inSchema = false;
   }
 }
コード例 #4
0
ファイル: GraphMLReader.java プロジェクト: iadgov/GRASSMARLIN
    public void startDocument() {
      m_nodeMap.clear();
      inSchema = true;

      m_esch.addColumn(SRC, int.class);
      m_esch.addColumn(TRG, int.class);
      m_esch.addColumn(SRCID, String.class);
      m_esch.addColumn(TRGID, String.class);
    }
コード例 #5
0
ファイル: FisheyeMenu.java プロジェクト: VSaliy/Prefuse
 static {
   ITEM_SCHEMA.addColumn(LABEL, String.class);
   ITEM_SCHEMA.addColumn(ACTION, ActionListener.class);
 }
コード例 #6
0
ファイル: FisheyeMenu.java プロジェクト: VSaliy/Prefuse
/**
 * A prefuse-based implementation of Fisheye Menus, showcasing the use of visual distortion to
 * provide access to a large number of data items without scrolling.
 *
 * <p>This implementation is inspired by the Fisheye Menu research conducted by Ben Bederson at the
 * University of Maryland. See the <a href="http://www.cs.umd.edu/hcil/fisheyemenu/">Fisheye Menu
 * project web site</a> for more details.
 *
 * @author <a href="http://jheer.org">jeffrey heer</a>
 */
public class FisheyeMenu extends Display {

  /** The data group name of menu items. */
  public static final String ITEMS = "items";
  /** The label data field for menu items. */
  public static final String LABEL = "label";
  /** The action data field for menu items. */
  public static final String ACTION = "action";

  /** This schema holds the data representation for internal storage of menu items. */
  protected static final Schema ITEM_SCHEMA = new Schema();

  static {
    ITEM_SCHEMA.addColumn(LABEL, String.class);
    ITEM_SCHEMA.addColumn(ACTION, ActionListener.class);
  }

  private Table m_items = ITEM_SCHEMA.instantiate(); // table of menu items

  private double m_maxHeight = 500; // maximum menu height in pixels
  private double m_scale = 7; // scale parameter for fisheye distortion

  /**
   * Create a new, empty FisheyeMenu.
   *
   * @see #addMenuItem(String, javax.swing.Action)
   */
  public FisheyeMenu() {
    super(new Visualization());
    m_vis.addTable(ITEMS, m_items);

    // set up the renderer to use
    LabelRenderer renderer = new LabelRenderer(LABEL);
    renderer.setHorizontalPadding(0);
    renderer.setVerticalPadding(1);
    renderer.setHorizontalAlignment(Constants.LEFT);
    m_vis.setRendererFactory(new DefaultRendererFactory(renderer));

    // set up this display
    setSize(100, 470);
    setHighQuality(true);
    setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 5));
    addControlListener(
        new ControlAdapter() {
          // dispatch an action event to the menu item
          public void itemClicked(VisualItem item, MouseEvent e) {
            ActionListener al = (ActionListener) item.get(ACTION);
            al.actionPerformed(
                new ActionEvent(item, e.getID(), "click", e.getWhen(), e.getModifiers()));
          }
        });

    // text color function
    // items with the mouse over printed in red, otherwise black
    ColorAction colors = new ColorAction(ITEMS, VisualItem.TEXTCOLOR);
    colors.setDefaultColor(ColorLib.gray(0));
    colors.add("hover()", ColorLib.rgb(255, 0, 0));

    // initial layout and coloring
    ActionList init = new ActionList();
    init.add(new VerticalLineLayout(m_maxHeight));
    init.add(colors);
    init.add(new RepaintAction());
    m_vis.putAction("init", init);

    // fisheye distortion based on the current anchor location
    ActionList distort = new ActionList();
    Distortion feye = new FisheyeDistortion(0, m_scale);
    distort.add(feye);
    distort.add(colors);
    distort.add(new RepaintAction());
    m_vis.putAction("distort", distort);

    // update the distortion anchor position to be the current
    // location of the mouse pointer
    addControlListener(new AnchorUpdateControl(feye, "distort"));
  }

  /**
   * Adds a menu item to the fisheye menu.
   *
   * @param name the menu label to use
   * @param action the ActionListener to notify when the item is clicked The prefuse VisualItem
   *     corresponding to this menu item will be returned by the ActionEvent's getSource() method.
   */
  public void addMenuItem(String name, ActionListener listener) {
    int row = m_items.addRow();
    m_items.set(row, LABEL, name);
    m_items.set(row, ACTION, listener);
  }

  /** Run a demonstration of the FisheyeMenu */
  public static final void main(String[] argv) {
    // only log warnings
    Logger.getLogger("prefuse").setLevel(Level.WARNING);

    FisheyeMenu fm = demo();

    // create and display application window
    JFrame f = new JFrame("p r e f u s e  |  f i s h e y e");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(fm);
    f.pack();
    f.setVisible(true);
  }

  public static FisheyeMenu demo() {
    // create a new fisheye menu and populate it
    FisheyeMenu fm = new FisheyeMenu();
    for (int i = 1; i <= 72; ++i) {
      // add menu items that simply print their label when clicked
      fm.addMenuItem(
          String.valueOf(i),
          new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
              System.out.println("clicked item: " + ((VisualItem) e.getSource()).get(LABEL));
              System.out.flush();
            }
          });
    }
    fm.getVisualization().run("init");
    return fm;
  }

  /**
   * Lines up all VisualItems vertically. Also scales the size such that all items fit within the
   * maximum layout size, and updates the Display to the final computed size.
   */
  public class VerticalLineLayout extends Layout {
    private double m_maxHeight = 600;

    public VerticalLineLayout(double maxHeight) {
      m_maxHeight = maxHeight;
    }

    public void run(double frac) {
      // first pass
      double w = 0, h = 0;
      Iterator iter = m_vis.items();
      while (iter.hasNext()) {
        VisualItem item = (VisualItem) iter.next();
        item.setSize(1.0);
        h += item.getBounds().getHeight();
      }
      double scale = h > m_maxHeight ? m_maxHeight / h : 1.0;

      Display d = m_vis.getDisplay(0);
      Insets ins = d.getInsets();

      // second pass
      h = ins.top;
      double ih, y = 0, x = ins.left;
      iter = m_vis.items();
      while (iter.hasNext()) {
        VisualItem item = (VisualItem) iter.next();
        item.setSize(scale);
        item.setEndSize(scale);
        Rectangle2D b = item.getBounds();

        w = Math.max(w, b.getWidth());
        ih = b.getHeight();
        y = h + (ih / 2);
        setX(item, null, x);
        setY(item, null, y);
        h += ih;
      }

      // set the display size to fit text
      setSize(
          d,
          (int) Math.round(2 * m_scale * w + ins.left + ins.right),
          (int) Math.round(h + ins.bottom));
    }

    private void setSize(final Display d, final int width, final int height) {
      SwingUtilities.invokeLater(
          new Runnable() {
            public void run() {
              d.setSize(width, height);
            }
          });
    }
  } // end of inner class VerticalLineLayout
} // end of class FisheyeMenu
コード例 #7
0
 static {
   ANCHORITEM_SCHEMA.addColumn(ANCHORITEM, ForceItem.class);
 }
コード例 #8
0
 private Schema getSchema() {
   Schema schema = new Schema();
   schema.addColumn("type", Class.class, null);
   return schema;
 }
コード例 #9
0
 static {
   PARAMS_SCHEMA.addColumn(PARAMS, Params.class, new Params());
 }