Examples of com.mxgraph.swing.mxGraphComponent

com.mxgraph.swing.mxGraphComponent
For setting the preferred size of the viewport for scrolling, use mxGraph.setMinimumGraphSize. This component is a combined scrollpane with an inner mxGraphControl. The control contains the actual graph display. To set the background color of the graph, use the following code:
```
 graphComponent.getViewport().setOpaque(true); graphComponent.getViewport().setBackground(newColor); 
```
This class fires the following events: mxEvent.START_EDITING fires before starting the in-place editor for an existing cell in startEditingAtCell. The cell property contains the cell that is being edit and the event property contains optional EventObject which was passed to startEditingAtCell. mxEvent.LABEL_CHANGED fires between begin- and endUpdate after the call to mxGraph.cellLabelChanged in labelChanged. The cell property contains the cell, the value property contains the new value for the cell and the optional event property contains the EventObject that started the edit. mxEvent.ADD_OVERLAY and mxEvent.REMOVE_OVERLAY fire afer an overlay was added or removed using add-/removeOverlay. The cell property contains the cell for which the overlay was added or removed and the overlay property contain the mxOverlay. mxEvent.BEFORE_PAINT and mxEvent.AFTER_PAINT fire before and after the paint method is called on the component. The g property contains the graphics context which is used for painting.

   */
  public Transferable createTransferable(JComponent c)
  {
    if (c instanceof mxGraphComponent)
    {
      mxGraphComponent graphComponent = (mxGraphComponent) c;
      mxGraph graph = graphComponent.getGraph();


      if (!graph.isSelectionEmpty())
      {
        originalCells = graphComponent.getExportableCells(graph
            .getSelectionCells());


        if (originalCells.length > 0)
        {
          ImageIcon icon = (transferImageEnabled) ? createTransferableImage(

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      {
        updateImportCount(t);


        if (c instanceof mxGraphComponent)
        {
          mxGraphComponent graphComponent = (mxGraphComponent) c;


          if (graphComponent.isEnabled()
              && t.isDataFlavorSupported(mxGraphTransferable.dataFlavor))
          {
            mxGraphTransferable gt = (mxGraphTransferable) t
                .getTransferData(mxGraphTransferable.dataFlavor);

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      Object source = e.getSource();


      if (source instanceof mxGraphComponent)
      {
        String name = getValue(Action.NAME).toString();
        mxGraphComponent graphComponent = (mxGraphComponent) source;


        if (name.equalsIgnoreCase("zoomIn"))
        {
          graphComponent.zoomIn();
        }
        else if (name.equalsIgnoreCase("zoomOut"))
        {
          graphComponent.zoomOut();
        }
        else
        {
          graphComponent.zoomActual();
        }
      }
    }

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    finally
    {
      graph.getModel().endUpdate();
    }


    mxGraphComponent graphComponent = new mxGraphComponent(graph);
    getContentPane().add(graphComponent);
    graphComponent.setToolTips(true);
  }

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      finally
      {
        graph.getModel().endUpdate();
      }


      mxGraphComponent graphComponent = new mxGraphComponent(graph)
      {
        // Sets global image base path
        public mxInteractiveCanvas createCanvas()
        {
          mxInteractiveCanvas canvas = super.createCanvas();

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    finally
    {
      graph.getModel().endUpdate();
    }


    mxGraphComponent graphComponent = new mxGraphComponent(graph);
    getContentPane().add(graphComponent);
  }

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    finally
    {
      graph.getModel().endUpdate();
    }


    mxGraphComponent graphComponent = new mxGraphComponent(graph)
    {
      /**
       * 
       */
      private static final long serialVersionUID = 4683716829748931448L;

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    IS_CONNECTED, IS_SIMPLE, IS_CYCLIC_DIRECTED, IS_CYCLIC_UNDIRECTED, COMPLEMENTARY, REGULARITY, COMPONENTS, MAKE_CONNECTED, MAKE_SIMPLE, IS_TREE, ONE_SPANNING_TREE, IS_DIRECTED, GET_CUT_VERTEXES, GET_CUT_EDGES, GET_SOURCES, GET_SINKS, PLANARITY, IS_BICONNECTED, GET_BICONNECTED, SPANNING_TREE, FLOYD_ROY_WARSHALL
  }


  public EditorMenuBar(final BasicGraphEditor editor)
  {
    final mxGraphComponent graphComponent = editor.getGraphComponent();
    final mxGraph graph = graphComponent.getGraph();
    mxAnalysisGraph aGraph = new mxAnalysisGraph();


    JMenu menu = null;
    JMenu submenu = null;


    // Creates the file menu
    menu = add(new JMenu(mxResources.get("file")));


    menu.add(editor.bind(mxResources.get("new"), new NewAction(), "/com/mxgraph/examples/swing/images/new.gif"));
    menu.add(editor.bind(mxResources.get("openFile"), new OpenAction(), "/com/mxgraph/examples/swing/images/open.gif"));
    menu.add(editor.bind(mxResources.get("importStencil"), new ImportAction(), "/com/mxgraph/examples/swing/images/open.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("save"), new SaveAction(false), "/com/mxgraph/examples/swing/images/save.gif"));
    menu.add(editor.bind(mxResources.get("saveAs"), new SaveAction(true), "/com/mxgraph/examples/swing/images/saveas.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("pageSetup"), new PageSetupAction(), "/com/mxgraph/examples/swing/images/pagesetup.gif"));
    menu.add(editor.bind(mxResources.get("print"), new PrintAction(), "/com/mxgraph/examples/swing/images/print.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("exit"), new ExitAction()));


    // Creates the edit menu
    menu = add(new JMenu(mxResources.get("edit")));


    menu.add(editor.bind(mxResources.get("undo"), new HistoryAction(true), "/com/mxgraph/examples/swing/images/undo.gif"));
    menu.add(editor.bind(mxResources.get("redo"), new HistoryAction(false), "/com/mxgraph/examples/swing/images/redo.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("cut"), TransferHandler.getCutAction(), "/com/mxgraph/examples/swing/images/cut.gif"));
    menu.add(editor.bind(mxResources.get("copy"), TransferHandler.getCopyAction(), "/com/mxgraph/examples/swing/images/copy.gif"));
    menu.add(editor.bind(mxResources.get("paste"), TransferHandler.getPasteAction(), "/com/mxgraph/examples/swing/images/paste.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("delete"), mxGraphActions.getDeleteAction(), "/com/mxgraph/examples/swing/images/delete.gif"));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("selectAll"), mxGraphActions.getSelectAllAction()));
    menu.add(editor.bind(mxResources.get("selectNone"), mxGraphActions.getSelectNoneAction()));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("warning"), new WarningAction()));
    menu.add(editor.bind(mxResources.get("edit"), mxGraphActions.getEditAction()));


    // Creates the view menu
    menu = add(new JMenu(mxResources.get("view")));


    JMenuItem item = menu.add(new TogglePropertyItem(graphComponent, mxResources.get("pageLayout"), "PageVisible", true,
        new ActionListener()
        {
          /**
           * 
           */
          public void actionPerformed(ActionEvent e)
          {
            if (graphComponent.isPageVisible() && graphComponent.isCenterPage())
            {
              graphComponent.zoomAndCenter();
            }
            else
            {
              graphComponent.getGraphControl().updatePreferredSize();
            }
          }
        }));


    item.addActionListener(new ActionListener()
    {
      /*
       * (non-Javadoc)
       * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
       */
      public void actionPerformed(ActionEvent e)
      {
        if (e.getSource() instanceof TogglePropertyItem)
        {
          final mxGraphComponent graphComponent = editor.getGraphComponent();
          TogglePropertyItem toggleItem = (TogglePropertyItem) e.getSource();


          if (toggleItem.isSelected())
          {
            // Scrolls the view to the center
            SwingUtilities.invokeLater(new Runnable()
            {
              /*
               * (non-Javadoc)
               * @see java.lang.Runnable#run()
               */
              public void run()
              {
                graphComponent.scrollToCenter(true);
                graphComponent.scrollToCenter(false);
              }
            });
          }
          else
          {
            // Resets the translation of the view
            mxPoint tr = graphComponent.getGraph().getView().getTranslate();


            if (tr.getX() != 0 || tr.getY() != 0)
            {
              graphComponent.getGraph().getView().setTranslate(new mxPoint());
            }
          }
        }
      }
    });


    menu.add(new TogglePropertyItem(graphComponent, mxResources.get("antialias"), "AntiAlias", true));


    menu.addSeparator();


    menu.add(new ToggleGridItem(editor, mxResources.get("grid")));
    menu.add(new ToggleRulersItem(editor, mxResources.get("rulers")));


    menu.addSeparator();


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("zoom")));


    submenu.add(editor.bind("400%", new ScaleAction(4)));
    submenu.add(editor.bind("200%", new ScaleAction(2)));
    submenu.add(editor.bind("150%", new ScaleAction(1.5)));
    submenu.add(editor.bind("100%", new ScaleAction(1)));
    submenu.add(editor.bind("75%", new ScaleAction(0.75)));
    submenu.add(editor.bind("50%", new ScaleAction(0.5)));


    submenu.addSeparator();


    submenu.add(editor.bind(mxResources.get("custom"), new ScaleAction(0)));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("zoomIn"), mxGraphActions.getZoomInAction()));
    menu.add(editor.bind(mxResources.get("zoomOut"), mxGraphActions.getZoomOutAction()));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("page"), new ZoomPolicyAction(mxGraphComponent.ZOOM_POLICY_PAGE)));
    menu.add(editor.bind(mxResources.get("width"), new ZoomPolicyAction(mxGraphComponent.ZOOM_POLICY_WIDTH)));


    menu.addSeparator();


    menu.add(editor.bind(mxResources.get("actualSize"), mxGraphActions.getZoomActualAction()));


    // Creates the format menu
    menu = add(new JMenu(mxResources.get("format")));


    populateFormatMenu(menu, editor);


    // Creates the shape menu
    menu = add(new JMenu(mxResources.get("shape")));


    populateShapeMenu(menu, editor);


    // Creates the diagram menu
    menu = add(new JMenu(mxResources.get("diagram")));


    menu.add(new ToggleOutlineItem(editor, mxResources.get("outline")));


    menu.addSeparator();


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("background")));


    submenu.add(editor.bind(mxResources.get("backgroundColor"), new BackgroundAction()));
    submenu.add(editor.bind(mxResources.get("backgroundImage"), new BackgroundImageAction()));


    submenu.addSeparator();


    submenu.add(editor.bind(mxResources.get("pageBackground"), new PageBackgroundAction()));


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("grid")));


    submenu.add(editor.bind(mxResources.get("gridSize"), new PromptPropertyAction(graph, "Grid Size", "GridSize")));
    submenu.add(editor.bind(mxResources.get("gridColor"), new GridColorAction()));


    submenu.addSeparator();


    submenu.add(editor.bind(mxResources.get("dashed"), new GridStyleAction(mxGraphComponent.GRID_STYLE_DASHED)));
    submenu.add(editor.bind(mxResources.get("dot"), new GridStyleAction(mxGraphComponent.GRID_STYLE_DOT)));
    submenu.add(editor.bind(mxResources.get("line"), new GridStyleAction(mxGraphComponent.GRID_STYLE_LINE)));
    submenu.add(editor.bind(mxResources.get("cross"), new GridStyleAction(mxGraphComponent.GRID_STYLE_CROSS)));


    menu.addSeparator();


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("layout")));


    submenu.add(editor.graphLayout("verticalHierarchical", true));
    submenu.add(editor.graphLayout("horizontalHierarchical", true));


    submenu.addSeparator();


    submenu.add(editor.graphLayout("verticalPartition", false));
    submenu.add(editor.graphLayout("horizontalPartition", false));


    submenu.addSeparator();


    submenu.add(editor.graphLayout("verticalStack", false));
    submenu.add(editor.graphLayout("horizontalStack", false));


    submenu.addSeparator();


    submenu.add(editor.graphLayout("verticalTree", true));
    submenu.add(editor.graphLayout("horizontalTree", true));


    submenu.addSeparator();


    submenu.add(editor.graphLayout("placeEdgeLabels", false));
    submenu.add(editor.graphLayout("parallelEdges", false));


    submenu.addSeparator();


    submenu.add(editor.graphLayout("organicLayout", true));
    submenu.add(editor.graphLayout("circleLayout", true));


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("selection")));


    submenu.add(editor.bind(mxResources.get("selectPath"), new SelectShortestPathAction(false)));
    submenu.add(editor.bind(mxResources.get("selectDirectedPath"), new SelectShortestPathAction(true)));


    submenu.addSeparator();


    submenu.add(editor.bind(mxResources.get("selectTree"), new SelectSpanningTreeAction(false)));
    submenu.add(editor.bind(mxResources.get("selectDirectedTree"), new SelectSpanningTreeAction(true)));


    menu.addSeparator();


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("stylesheet")));


    submenu.add(editor.bind(mxResources.get("basicStyle"),
        new StylesheetAction("/com/mxgraph/examples/swing/resources/basic-style.xml")));
    submenu.add(editor.bind(mxResources.get("defaultStyle"), new StylesheetAction(
        "/com/mxgraph/examples/swing/resources/default-style.xml")));


    // Creates the options menu
    menu = add(new JMenu(mxResources.get("options")));


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("display")));
    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("buffering"), "TripleBuffered", true));


    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("preferPageSize"), "PreferPageSize", true, new ActionListener()
    {
      /**
       * 
       */
      public void actionPerformed(ActionEvent e)
      {
        graphComponent.zoomAndCenter();
      }
    }));


    // TODO: This feature is not yet implemented
    //submenu.add(new TogglePropertyItem(graphComponent, mxResources
    //    .get("pageBreaks"), "PageBreaksVisible", true));


    submenu.addSeparator();


    submenu.add(editor.bind(mxResources.get("tolerance"), new PromptPropertyAction(graphComponent, "Tolerance")));


    submenu.add(editor.bind(mxResources.get("dirty"), new ToggleDirtyAction()));


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("zoom")));


    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("centerZoom"), "CenterZoom", true));
    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("zoomToSelection"), "KeepSelectionVisibleOnZoom", true));


    submenu.addSeparator();


    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("centerPage"), "CenterPage", true, new ActionListener()
    {
      /**
       * 
       */
      public void actionPerformed(ActionEvent e)
      {
        if (graphComponent.isPageVisible() && graphComponent.isCenterPage())
        {
          graphComponent.zoomAndCenter();
        }
      }
    }));


    menu.addSeparator();


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("dragAndDrop")));


    submenu.add(new TogglePropertyItem(graphComponent, mxResources.get("dragEnabled"), "DragEnabled"));
    submenu.add(new TogglePropertyItem(graph, mxResources.get("dropEnabled"), "DropEnabled"));


    submenu.addSeparator();


    submenu.add(new TogglePropertyItem(graphComponent.getGraphHandler(), mxResources.get("imagePreview"), "ImagePreview"));


    submenu = (JMenu) menu.add(new JMenu(mxResources.get("labels")));


    submenu.add(new TogglePropertyItem(graph, mxResources.get("htmlLabels"), "HtmlLabels", true));
    submenu.add(new TogglePropertyItem(graph, mxResources.get("showLabels"), "LabelsVisible", true));

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     */
    public void actionPerformed(ActionEvent e)
    {
      if (e.getSource() instanceof mxGraphComponent)
      {
        mxGraphComponent graphComponent = (mxGraphComponent) e.getSource();
        mxGraph graph = graphComponent.getGraph();


        // dialog = new FactoryConfigDialog();
        String dialogText = "";
        if (graphType == GraphType.NULL)
          dialogText = "Configure null graph";

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    public void actionPerformed(ActionEvent e)
    {
      if (e.getSource() instanceof mxGraphComponent)
      {
        mxGraphComponent graphComponent = (mxGraphComponent) e.getSource();
        mxGraph graph = graphComponent.getGraph();


        if (analyzeType == AnalyzeType.IS_CONNECTED)
        {
          boolean isConnected = mxGraphStructure.isConnected(aGraph);

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