Question

我使用此代码通过更改不透明度来突出显示我单击的顶点及其子项。它只适用于连接到我选择的顶点的下一个子节点。我怎么能做同样的事情，点击一个顶点，但也要突出显示连接到它的子节点的所有顶点以及通向顶点的顶点。提前致谢

public void CellHighlight() {



            graphComponent.getGraphControl().addMouseListener(new MouseAdapter() {
                public void mouseReleased (MouseEvent e1) {
                    if (e1.getButton() == 1 && e1.getClickCount() == 2) {
                    final Object selectedCell = graphComponent.getCellAt(e1.getX(), e1.getY());
                    Object[] allCells = mxGraphModel.getChildren(graph.getModel(), graph.getDefaultParent());
                    if (selectedCell != null) {
                        if (graph.getModel().isVertex( selectedCell)) {
                            for( Object myCell: allCells) {
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_OPACITY, OPACITY_PALE);
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_TEXT_OPACITY, OPACITY_PALE);
                            }
                            List<Object> cellList = new ArrayList<Object>(); 
                            cellList.add(selectedCell);
                            Object[] outgoingEdges = mxGraphModel.getOutgoingEdges( graph.getModel(), selectedCell);
                            for( Object edge: outgoingEdges) {
                                cellList.add( graph.getModel().getTerminal( edge, false)); 
                            }
                            cellList.addAll( Arrays.asList(outgoingEdges));
                            for( Object myCell: cellList) {
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_OPACITY, OPACITY_HIGHLIGHT);
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_TEXT_OPACITY, OPACITY_HIGHLIGHT);
                            }
                        } else {
                            for( Object myCell: allCells) {
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_OPACITY, OPACITY_HIGHLIGHT);
                                graph.getView().getState(myCell).getStyle().put(mxConstants.STYLE_TEXT_OPACITY, OPACITY_HIGHLIGHT);
                            }
                        }
                        mxRectangle bounds = graph.getBoundsForCells(allCells, true, true, true);
                        graph.repaint( bounds);
                    }
                } 


            }
                });
            }

Answer 1

递归就是答案！

一旦我有方便的话，我会发布一个解释和我写的代码，以便能够删除一个单元格并让其所有后代（儿童，孩子的孩子等）自动删除。我认为在这种情况下应用它非常容易，我希望你得到我的暗示。

在jgraphx中突出显示多个单元格

1 个答案: