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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顶点。但是，它仅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，但同时突出显示连接到它的子节点的所有顶点以及通向 cicked 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);
                    }
                } 


            }
                });
            }
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1 回答 1

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递归就是答案！

只要我有它，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自动删除它的所有后代（孩子，孩子的孩子等等）。我认为在这种情况下应用它很容易，我希望你能得到我的提示。

于 2014-07-02T13:47:05.997 回答