Ejemplo n.º 1
0
  public void adjust() {
    List children;

    try {
      children = this.tree.getChildren(parentNode);
    } catch (GraphException ex) {
      ex.printStackTrace();
      return;
    }

    // Find the child that that is immediately to the right and to the left
    // of the inserted column
    VisualVertex immediateRightChild = null, immediateLeftChild = null;
    int immediateRightChildX = grid.getWidth();
    int immediateLeftChildX = 0;

    for (int i = 0; i < children.size(); i++) {
      VisualVertex vVertex;
      vVertex = this.vGraph.getVisualVertex(children.get(i));
      Point vertexPoint = grid.findVisualVertex(vVertex);
      if (vertexPoint.x > insertedColumnX
          && (immediateRightChild == null || vertexPoint.x < immediateRightChildX)) {
        immediateRightChild = vVertex;
        immediateRightChildX = vertexPoint.x;
      }
      if (vertexPoint.x < insertedColumnX
          && (immediateLeftChild == null || vertexPoint.x > immediateLeftChildX)) {
        immediateLeftChild = vVertex;
        immediateLeftChildX = vertexPoint.x;
      }
    }

    // Move the granchild nodes to the right
    // whose parent is immediately to the right of the inserted colunm grid
    // but itself is to the left of the inserted column grid
    if (immediateRightChild != null) {
      this.adjustToRight = true;
      this.visit(immediateRightChild.getVertex());
    }

    // Move the granchild nodes to the left
    // whose parent is immediately to the left of the inserted colunm grid
    // but itself is to the right of the inserted column grid
    if (immediateLeftChild != null) {
      this.adjustToRight = false;
      this.visit(immediateLeftChild.getVertex());
    }
  }
Ejemplo n.º 2
0
  public void routeEdge(Graphics2D g2d, VisualEdge vEdge) {

    Rectangle fromvertexBounds;
    Rectangle tovertexBounds;
    GeneralPath drawPath;
    VisualVertex visualVertexA = vEdge.getVisualVertexA();
    VisualVertex visualVertexB = vEdge.getVisualVertexB();

    drawPath = new GeneralPath();
    ;

    fromvertexBounds = visualVertexA.getBounds();
    tovertexBounds = visualVertexB.getBounds();

    // Make sure to clear the GeneralPath() first. Otherwise, the edge's previous
    // path will be redrawn as well.
    drawPath.reset();

    // Start the line from the center of the vEdgertex
    drawPath.moveTo((float) fromvertexBounds.getCenterX(), (float) fromvertexBounds.getCenterY());
    drawPath.lineTo((float) tovertexBounds.getCenterX(), (float) tovertexBounds.getCenterY());
    vEdge.setShape(new VisualGraphComponentPath(drawPath));
  }
  /** Paints the <tt>visualEdge</tt>. No arrowhead is drawn. */
  public void paint(VisualGraphComponent component, Graphics2D g2d) {
    VisualEdge vEdge = (VisualEdge) component;
    Rectangle fromvertexBounds;
    Rectangle tovertexBounds;
    GeneralPath drawPath;
    VisualVertex visualVertexA = vEdge.getVisualVertexA();
    VisualVertex visualVertexB = vEdge.getVisualVertexB();
    GraphLayoutManager layoutmanager = vEdge.getVisualGraph().getGraphLayoutManager();

    drawPath = vEdge.getGeneralPath();

    // If there is no layoutmanager or there is one but the layout has not
    // been initialised, by default, let us route edges as straight lines.
    if (layoutmanager == null || (layoutmanager != null && !layoutmanager.isInitialized())) {

      fromvertexBounds = visualVertexA.getBounds();
      tovertexBounds = visualVertexB.getBounds();

      // Make sure to clear the GeneralPath() first. Otherwise, the edge's previous
      // path will be redrawn as well.
      drawPath.reset();

      // Start the line from the center of the vEdgertex
      drawPath.moveTo((float) fromvertexBounds.getCenterX(), (float) fromvertexBounds.getCenterY());
      drawPath.lineTo((float) tovertexBounds.getCenterX(), (float) tovertexBounds.getCenterY());
    } else {
      // Let the layout manager determine how the edge will be routed.
      layoutmanager.routeEdge(g2d, vEdge);
    }

    // Draw the line
    g2d.setColor(vEdge.getOutlinecolor());
    g2d.draw(drawPath);

    // Draw the edge label
    this.paintText(vEdge, g2d);
  }