private void positionVertexAt(Object vertex, int x, int y) {
DefaultGraphCell cell = m_jgAdapter.getVertexCell(vertex);
AttributeMap attr = cell.getAttributes();
Rectangle2D b = GraphConstants.getBounds(attr);
Rectangle2D newBounds = new Rectangle2D.Double(x, y, 5, 5);
GraphConstants.setBounds(attr, newBounds);
AttributeMap cellAttr = new AttributeMap();
cellAttr.put(cell, attr);
m_jgAdapter.edit(cellAttr, null, null, null);
}
/**
* Sets new value to horizontal and vertical positions
*
* @param x
* @param y
*/
public void setPosition(Point point) {
Map attrs = new Hashtable();
GraphConstants.setBounds(
attrs,
new Rectangle2D.Double(point.getX(), point.getY(), getDefaultWidth(), getDefaultHeight()));
graph.getGraphLayoutCache().editCell(this, attrs);
graph.repaint();
}
/**
* Creates and returns a map of attributes to be used as defaults for vertex attributes.
*
* @return a map of attributes to be used as defaults for vertex attributes.
*/
public static AttributeMap createDefaultVertexAttributes() {
AttributeMap map = new AttributeMap();
Color c = Color.decode("#FF9900");
GraphConstants.setBounds(map, new Rectangle2D.Double(50, 50, 90, 30));
GraphConstants.setBorder(map, BorderFactory.createRaisedBevelBorder());
GraphConstants.setBackground(map, c);
GraphConstants.setForeground(map, Color.white);
GraphConstants.setFont(map, GraphConstants.DEFAULTFONT.deriveFont(Font.BOLD, 12));
GraphConstants.setOpaque(map, true);
return map;
}
@SuppressWarnings("unchecked")
private void positionVertexAt(Object vertex, int x, int y) {
DefaultGraphCell cell = m_jgAdapter_.getVertexCell(vertex);
AttributeMap attr = cell.getAttributes();
Rectangle2D bounds = GraphConstants.getBounds(attr);
Rectangle2D newBounds = new Rectangle2D.Double(x, y, bounds.getWidth(), bounds.getHeight());
GraphConstants.setBounds(attr, newBounds);
// TODO: Clean up generics once JGraph goes generic
AttributeMap cellAttr = new AttributeMap();
cellAttr.put(cell, attr);
m_jgAdapter_.edit(cellAttr, null, null, null);
}
/**
* 往流程图编辑器中增加一个元素
*
* @param ele
*/
public DefaultGraphCell insertFlowElement(FlowElementObject ele) {
if (this.graph == null) return null;
if (ele.getId() == 0) {
int id = (new IDService()).getProcessID();
ele.setId(id);
}
DefaultGraphCell cell = new DefaultGraphCell();
cell.setUserObject(ele);
if (ele.getImageResource() != null) {
GraphConstants.setIcon(cell.getAttributes(), UIUtil.loadImageIcon(ele.getImageResource()));
}
// 自动设置大小
// GraphConstants.setAutoSize(cell.getAttributes(), true);
GraphConstants.setOpaque(cell.getAttributes(), true);
// GraphConstants.setBackground(cell.getAttributes(), Color.YELLOW);
GraphConstants.setLineColor(cell.getAttributes(), Color.RED);
GraphConstants.setLineWidth(cell.getAttributes(), 1.5f);
GraphConstants.setLineStyle(cell.getAttributes(), GraphConstants.STYLE_SPLINE);
// GraphConstants.setSizeable(cell.getAttributes(),false);
GraphConstants.setBorder(
cell.getAttributes(), BorderFactory.createLineBorder(Color.BLACK)); // 外框颜色
// GraphConstants.setBounds(cell.getAttributes(), new
// Rectangle2D.Double(
// 10, 10, 80, 40));
GraphConstants.setBounds(
cell.getAttributes(),
new Rectangle2D.Double(
ele.getLeft().doubleValue(),
ele.getTop().doubleValue(),
ele.getWidth().doubleValue(),
ele.getHeight().doubleValue()));
GraphConstants.setEditable(cell.getAttributes(), false);
cell.addPort();
this.graph.getGraphLayoutCache().insert(cell); // 向图形编辑器写入处理后的图片.
return cell;
}
@Override
public AttributeMap getDefaultVertexAttributes() {
AttributeMap map = new AttributeMap();
// we set the bounds only to force the layout manager to use minimum size shapes
// this way the auto sizing mechanism will immediately generate the optimum sized shapes
// TODO I am not sure how exactly setBounds(...) works with setAutoSize(...)
GraphConstants.setBounds(map, new Rectangle2D.Double(0, 0, 100, 100));
GraphConstants.setAutoSize(map, true);
GraphConstants.setBackground(map, Color.LIGHT_GRAY);
GraphConstants.setForeground(map, Color.BLACK);
GraphConstants.setOpaque(map, true);
// GraphConstants.setFont(map, GraphConstants.DEFAULTFONT.deriveFont(Font.BOLD, 12));
GraphConstants.setBorderColor(map, Color.black);
// we want to have the nodes represented as circles
// but, the auto size property overrides this and
// ellipses are created
CellConstants.setVertexShape(map, MultiLineVertexRenderer.SHAPE_CIRCLE);
return map;
}
