package com.opensymphony.workflow.designer;import java.awt.*;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.File;import java.io.InputStream;import java.io.PrintWriter;import java.net.MalformedURLException;import java.net.URL;import java.util.Locale;import java.util.ResourceBundle;import java.util.StringTokenizer;import javax.swing.*;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import com.opensymphony.workflow.FactoryException;import com.opensymphony.workflow.InvalidWorkflowDescriptorException;import com.opensymphony.workflow.config.WorkspaceManager;import com.opensymphony.workflow.designer.dialogs.NewWorkspaceDialog;import com.opensymphony.workflow.designer.editor.*;import com.opensymphony.workflow.designer.swing.*;import com.opensymphony.workflow.designer.swing.status.StatusBar;import com.opensymphony.workflow.loader.*;import org.jgraph.event.*;import org.w3c.dom.Document;import org.w3c.dom.Element;/** * @author Hani Suleiman (hani@formicary.net) Date: May 15, 2003 Time: 8:36:20 PM */public class WorkflowDesigner extends JFrame implements GraphSelectionListener, GraphModelListener{  public static final String WORKSPACE_SUFFIX = ".wsf";  private WorkspaceNavigator navigator;  private WorkspaceManager manager = new WorkspaceManager();  private GraphTabbedPane graphTabs = new GraphTabbedPane();  private DesignerService service = null;  private JSplitPane mainSplitPane;  private EmptyBorderSplitPane leftSplitPane;  private CardPanel detailPanel = new CardPanel();  private FramePanel detailFramePanel;  private Object currentDetailObject = null;  public static WorkflowDesigner INSTANCE = null;  private PaletteDescriptor palette = null;  public StatusBar statusBar;  public WorkflowDesigner(Splash splash)  {    super(ResourceManager.getString("app.name"));    INSTANCE = this;    service = new DesignerService();    setJMenuBar(BarFactory.createMenubar(manager, service.getVerb()));    splash.setProgress(30);    navigator = new WorkspaceNavigator(this);    JScrollPane sp = new JScrollPane(detailPanel, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);    detailFramePanel = new FramePanel(ResourceManager.getString("details"), false);    detailFramePanel.setContent(sp);    splash.setProgress(40);    loadPalette();    splash.setProgress(50);    // create workspace view    FramePanel flowsPanel = new FramePanel(ResourceManager.getString("workspace"), false);    flowsPanel.setContent(new JScrollPane(navigator));    // layout    leftSplitPane = new EmptyBorderSplitPane(JSplitPane.VERTICAL_SPLIT, flowsPanel, detailFramePanel);    mainSplitPane = new EmptyBorderSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftSplitPane, graphTabs);    graphTabs.setVisible(false);    splash.setProgress(60);    //Provide a preferred size for the split pane    String bounds = Prefs.INSTANCE.get(Prefs.DESIGNER_BOUNDS, "100, 100, 800, 600");    StringTokenizer tok = new StringTokenizer(bounds, ",");    int x = Integer.parseInt(tok.nextToken().trim());    int y = Integer.parseInt(tok.nextToken().trim());    int w = Integer.parseInt(tok.nextToken().trim());    int h = Integer.parseInt(tok.nextToken().trim());    setLocation(x, y);    getContentPane().setLayout(new BorderLayout());    getContentPane().add(BarFactory.createToolbar(), BorderLayout.NORTH);    splash.setProgress(65);    getContentPane().add(mainSplitPane, BorderLayout.CENTER);    statusBar = BarFactory.createStatusBar();    getContentPane().add(statusBar, BorderLayout.SOUTH);    splash.setProgress(70);    mainSplitPane.setPreferredSize(new Dimension(w, h));    addWindowListener(new WindowAdapter()    {      public void windowClosing(WindowEvent evt)      {        quit();      }    });    if("new".equals(service.getVerb()))    {      newRemoteWorkspace();    }    else if("modify".equals(service.getVerb()))    {      newRemoteWorkspace();      openRemoteWorkspace();    }    else    {      String lastOpened = Prefs.INSTANCE.get(Prefs.LAST_WORKSPACE, null);      if(lastOpened != null)      {        try        {          if(lastOpened.indexOf(":/") == -1)          {            openWorkspace(new File(lastOpened).toURL());          }          else          {            openWorkspace(new URL(lastOpened));          }        }        catch(MalformedURLException e)        {          e.printStackTrace();        }        String workflow = Prefs.INSTANCE.get(Prefs.WORKFLOW_CURRENT, null);        if(workflow != null)        {          navigator.selectWorkflow(workflow);        }      }    }    mainSplitPane.setDividerLocation(Prefs.INSTANCE.getInt(Prefs.MAIN_DIVIDER_LOCATION, 150));    leftSplitPane.setDividerLocation(Prefs.INSTANCE.getInt(Prefs.DETAIL_DIVIDER_LOCATION, 50));  }  public void graphChanged(GraphModelEvent e)  {    if(detailPanel.getVisibleCard() == null)    {      return;    }    AbstractDescriptor desc = ((DetailPanel)detailPanel.getVisibleCard()).getDescriptor();    showDetails(desc);    //DefaultGraphCell  relationsCell = relationshipsNavigator.getCell();    //Object[] cells = e.getChange().getChanged();    //System.out.println("changed = " + java.util.Arrays.asList(cells));    //for(int i = 0; i < cells.length; i++)    //{    //  if(cells[i] instanceof WorkflowCell)    //  {    //    if(cells[i] == detailCell)    //    {    //      showDetails(desc);    //    }    //  }    //  else if(cells[i] instanceof WorkflowEdge)    //  {    //    if(cells[i] == detailEdge)    //    {    //      showDetails(desc);    //    }    //  }    //  if(cells[i] instanceof DefaultGraphCell)    //  {    //    //showRelationships(relationsCell);    //  }    //}  }  public WorkflowGraph getCurrentGraph()  {    return graphTabs.getCurrentGraph();  }  /**   * Delete a workflow from config   */   public void deleteWorkflow(String workflowName) throws FactoryException  {    graphTabs.removeGraph(workflowName);    navigator.removeWorkflow(workflowName);    manager.getCurrentWorkspace().removeWorkflow(workflowName);  }  /**   * Delete a workflow from config   */  public void closeWorkflow(String workflowName) throws FactoryException  {    graphTabs.removeGraph(workflowName);    navigator.removeWorkflow(workflowName);    manager.getCurrentWorkspace().removeWorkflow(workflowName);  }  public void validateCurrentWorkflow()  {    WorkflowGraph graph = graphTabs.getCurrentGraph();    if(graph != null)    {      validateWorkflow(graph.getName());    }  }  public void validateSaveCurrentWorkflow()  {    WorkflowGraph graph = graphTabs.getCurrentGraph();    if(graph != null)    {      save(graph, true);    }  }  public void validateWorkflow(String workflowName)  {    WorkflowGraph graph = graphTabs.getGraph(workflowName);    if(graph != null)    {      workflowName = graph.getName();      WorkflowDescriptor d = graph.getDescriptor();      if(d != null)      {        try        {          d.validate();        }        catch(InvalidWorkflowDescriptorException e)        {          System.out.println("Error validating workflow: " + e);          JOptionPane.showMessageDialog(this,                                        ResourceManager.getString("error.validate.workflow", new Object[]{e.getMessage()}),                                        ResourceManager.getString("title.validate.workflow", new Object[]{workflowName}),                                        JOptionPane.ERROR_MESSAGE);          return;        }        JOptionPane.showMessageDialog(this,                                      ResourceManager.getString("success.validate.workflow"),                                      ResourceManager.getString("title.validate.workflow", new Object[]{workflowName}),                                      JOptionPane.INFORMATION_MESSAGE);      }    }  }  public void closeCurrentWorkflow()  {    WorkflowGraph graph = graphTabs.getCurrentGraph();    if(graph != null)    {      graphTabs.removeGraph(graph);    }    //graphTabs.removeGraph(graphTabs.getCurrentGraph());  }  public void createGraph(String workflowName)  {    //Workspace currentWorkspace = manager.getCurrentWorkspace();    WorkflowFactory currentWorkspace = manager.getCurrentWorkspace();    Layout layout = (Layout)currentWorkspace.getLayout(workflowName);    WorkflowGraphModel model = new WorkflowGraphModel(layout);    model.setPalette(palette);    model.addGraphModelListener(this);    boolean hasLayout = layout != null;    if(layout == null) layout = new Layout();    WorkflowDescriptor descriptor;    try    {      descriptor = currentWorkspace.getWorkflow(workflowName, false);    }    catch(FactoryException e)    {      e.printStackTrace();      return;    }    WorkflowGraph graph = new WorkflowGraph(model, descriptor, layout, !hasLayout);    graph.addGraphSelectionListener(this);    //graph.setName(workflowName);    if(descriptor != null)      graph.setName(descriptor.getName());    else      graph.setName(workflowName);    graphTabs.addGraph(graph);    graphTabs.setVisible(true);  }  public void quit()  {    Point location = getLocation();    Prefs.INSTANCE.putInt(Prefs.MAIN_DIVIDER_LOCATION, mainSplitPane.getDividerLocation());    Prefs.INSTANCE.putInt(Prefs.DETAIL_DIVIDER_LOCATION, leftSplitPane.getDividerLocation());    Prefs.INSTANCE.put(Prefs.DESIGNER_BOUNDS, location.x + "," + location.y + ',' + mainSplitPane.getWidth() + ',' + mainSplitPane.getHeight());    try    {      Prefs.INSTANCE.flush();    }    catch(Exception e)    {      e.printStackTrace();    }    System.exit(0);  }  public void renameWorkflow(String oldName, String newName)  {    graphTabs.renameGraph(oldName, newName);    manager.getCurrentWorkspace().renameWorkflow(oldName, newName);  }  public void valueChanged(GraphSelectionEvent e)  {    Object lastAdded = null;    for(int i = e.getCells().length - 1; i >= 0; i--)    {      if(e.isAddedCell(i))      {        lastAdded = e.getCells()[i];        break;      }    }    if(lastAdded instanceof WorkflowCell || lastAdded instanceof WorkflowEdge)    {      AbstractDescriptor desc = getCellDescriptor(lastAdded);      showDetails(desc);      navigator.selectTreeNode(graphTabs.getCurrentGraph().getDescriptor(), desc);    }  }  public void showSelectedCellDetails()  {    WorkflowGraph graph = graphTabs.getCurrentGraph();    if(graph != null)    {      Object cell = graph.getSelectionModel().getSelectionCell();      if(cell != null)      {        if(cell instanceof WorkflowCell || cell instanceof WorkflowEdge)        {          AbstractDescriptor desc = getCellDescriptor(cell);          showDetails(desc);          navigator.selectTreeNode(graphTabs.getCurrentGraph().getDescriptor(), desc);        }      }    }  }  public void refreshUI()  {    if(currentDetailObject != null)    {      showDetails(currentDetailObject);    }  }  public void showDetails(Object node)  {    if(node == null) return;    String title = getDescriptorTitle(node);    AbstractDescriptor descriptor = null;    currentDetailObject = node;    String panelName = node.getClass().getName();