jaweedit.java

jawe的最新版本,基于Java的图形化工作流编辑器。图形化工作流编辑器 。使用JAVA语言开发

/**
 * Miroslav Popov, Sep 1, 2005
 */
package org.enhydra.jawe.base.controller;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.enhydra.jawe.JaWEManager;
import org.enhydra.jawe.Utils;
import org.enhydra.jawe.XPDLElementChangeInfo;
import org.enhydra.jawe.base.xpdlhandler.XPDLHandler;
import org.enhydra.shark.xpdl.XMLCollection;
import org.enhydra.shark.xpdl.XMLCollectionElement;
import org.enhydra.shark.xpdl.XMLComplexElement;
import org.enhydra.shark.xpdl.XMLElement;
import org.enhydra.shark.xpdl.XMLUtil;
import org.enhydra.shark.xpdl.elements.Activities;
import org.enhydra.shark.xpdl.elements.Activity;
import org.enhydra.shark.xpdl.elements.ActivitySet;
import org.enhydra.shark.xpdl.elements.Application;
import org.enhydra.shark.xpdl.elements.Package;
import org.enhydra.shark.xpdl.elements.Participant;
import org.enhydra.shark.xpdl.elements.Tool;
import org.enhydra.shark.xpdl.elements.Transition;
import org.enhydra.shark.xpdl.elements.Transitions;
import org.enhydra.shark.xpdl.elements.WorkflowProcess;

/**
 * @author Miroslav Popov
 * @author Sasa Bojanic
 */
public class JaWEEdit {

   protected List clipboard = new ArrayList();

   protected boolean isPasteInProgress = false;

   public void copy() {
      copyOrCut(false);
   }

   public void cut() {
      copyOrCut(true);
   }

   protected void copyOrCut(boolean isCut) {
      clipboard = new ArrayList();
      JaWEController jc = JaWEManager.getInstance().getJaWEController();
      if (jc.getSelectionManager().getSelectedElements() != null) {
         clipboard.addAll(jc.getSelectionManager().getSelectedElements());

         XMLElement firstEl = (XMLElement) clipboard.get(0);
         XMLElement selOwner = firstEl.getParent();
         if (selOwner == null) {
            selOwner = firstEl;
         }
         XPDLElementChangeInfo info = jc.createInfo(selOwner,
                                                    clipboard,
                                                    isCut ? XPDLElementChangeInfo.CUT
                                                         : XPDLElementChangeInfo.COPY);

         jc.sendEvent(info);
         prepareForPaste();
         if (isCut) {
            delete();
         }
      }
      JaWEManager.getInstance().getJaWEController().adjustActions();
   }

   public void duplicate() {
      JaWEController jc = JaWEManager.getInstance().getJaWEController();

      XMLElement el = jc.getSelectionManager().getSelectedElement();
      if (el.getParent() instanceof XMLCollection) {
         XMLCollection col = (XMLCollection) el.getParent();
         XMLElement cloned = JaWEManager.getInstance()
            .getXPDLObjectFactory()
            .duplicateXPDLObject(col, el);
         if (cloned instanceof ActivitySet) {
            duplicateActivitySetContext((ActivitySet) cloned,
                                        new HashSet(),
                                        new HashSet());
         }
         jc.startUndouableChange();
         col.add(cloned);
         List toSelect = new ArrayList();
         toSelect.add(cloned);
         jc.endUndouableChange(toSelect);
      }
   }

   public void references() {
      JaWEController jc = JaWEManager.getInstance().getJaWEController();
      XMLComplexElement el = (XMLComplexElement) jc.getSelectionManager()
         .getSelectedElement();
      XMLComplexElement pkgOrWP = XMLUtil.getPackage(el);
      WorkflowProcess wp = XMLUtil.getWorkflowProcess(el);
      if (wp != null && wp != el) {
         pkgOrWP = wp;
      }

      XPDLElementChangeInfo info = null;
      if (el instanceof Activity) {
         info = jc.createInfo(el, Utils.makeSearchResultList(JaWEManager.getInstance()
            .getXPDLUtils()
            .getReferences((Activity) el)), XPDLElementChangeInfo.REFERENCES);
      } else if (el instanceof Transition) {
         info = jc.createInfo(el, Utils.makeSearchResultList(JaWEManager.getInstance()
            .getXPDLUtils()
            .getReferences((Transition) el)), XPDLElementChangeInfo.REFERENCES);
      } else if (el instanceof Package) {
         info = jc.createInfo(el, Utils.makeSearchResultList(JaWEManager.getInstance()
            .getXPDLUtils()
            .getReferences((Package) el)), XPDLElementChangeInfo.REFERENCES);
      } else {
         if (el instanceof WorkflowProcess
             || el instanceof Application || el instanceof Participant) {
            if (pkgOrWP instanceof Package) {
               info = jc.createInfo(el,
                                    getAllReferences(el),
                                    XPDLElementChangeInfo.REFERENCES);
            } else {
               info = jc.createInfo(el,
                                    Utils.makeSearchResultList(JaWEManager.getInstance()
                                       .getXPDLUtils()
                                       .getReferences(pkgOrWP, el)),
                                    XPDLElementChangeInfo.REFERENCES);
            }
         } else {
            info = jc.createInfo(el, Utils.makeSearchResultList(JaWEManager.getInstance()
               .getXPDLUtils()
               .getReferences(pkgOrWP, el)), XPDLElementChangeInfo.REFERENCES);
         }
      }

      if (info != null) {
         jc.sendEvent(info);
      }
   }

   public void paste() {
      JaWEManager.getInstance().getLoggingManager().debug("PASTE started");
      isPasteInProgress = true;
      JaWEController jc = JaWEManager.getInstance().getJaWEController();
      XMLElement firstSelected = jc.getSelectionManager().getSelectedElement();
      jc.startUndouableChange();

      Iterator it = clipboard.iterator();
      Transitions transCollection = null;
      Activities actsCollection = null;
      XMLCollection destCollection = null;
      List duplicatedElements = new ArrayList();
      Map actIdMappings = new HashMap();
      List acts = new ArrayList();
      List trans = new ArrayList();
      Set skipIds = new HashSet();
      Set skipActIds = new HashSet();
      Set skipTransIds = new HashSet();
      while (it.hasNext()) {
         destCollection = null;
         XMLElement copied = (XMLElement) it.next();
         XMLCollection parent = (XMLCollection) copied.getParent();
         // System.err.println("Searching for dest collection for el
         // "+copied.getClass()+", firstSelected="+firstSelected.getClass());
         if (parent.getClass() == firstSelected.getClass()) {
            // System.err.println("Dest coll found -> 1");
            destCollection = (XMLCollection) firstSelected;
         } else if (firstSelected.getClass() == copied.getClass()) {
            destCollection = (XMLCollection) firstSelected.getParent();
            // System.err.println("Dest coll found -> 2");
         } else {
            List subEls = ((XMLComplexElement) firstSelected).toElements();
            for (int i = 0; i < subEls.size(); i++) {
               if (subEls.get(i).getClass() == parent.getClass()) {
                  destCollection = (XMLCollection) subEls.get(i);
                  // System.err.println("Dest coll found -> 3");
                  break;
               }
            }
            if (destCollection == null) {
               if (firstSelected instanceof Activity) {
                  destCollection = (Transitions) ((XMLComplexElement) firstSelected.getParent()
                     .getParent()).get("Transitions");
                  // System.err.println("Dest coll found -> 4");
               } else if (firstSelected instanceof Transition) {
                  destCollection = (Activities) ((XMLComplexElement) firstSelected.getParent()
                     .getParent()).get("Activities");
                  // System.err.println("Dest coll found -> 5");
               }
            }
         }
         // System.err.println("Dest collection="+destCollection);
         if (destCollection instanceof Activities) {
            actsCollection = (Activities) destCollection;
         } else if (destCollection instanceof Transitions) {
            transCollection = (Transitions) destCollection;
         }
         XMLElement twin = JaWEManager.getInstance()
            .getXPDLObjectFactory()
            .makeIdenticalXPDLObject(parent, copied);
         if (twin instanceof Activity) {