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());
}
}
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);
}