displayparentelementpanel.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

package org.enhydra.jawe.base.editor.actions;

import java.awt.event.ActionEvent;

import javax.swing.JOptionPane;

import org.enhydra.jawe.ActionBase;
import org.enhydra.jawe.JaWEComponent;
import org.enhydra.jawe.base.editor.NewStandardXPDLElementEditor;
import org.enhydra.jawe.base.panel.InlinePanel;
import org.enhydra.shark.xpdl.XMLComplexChoice;
import org.enhydra.shark.xpdl.XMLElement;
import org.enhydra.shark.xpdl.XMLUtil;

/**
 * @author Sasa Bojanic
 */
public class DisplayParentElementPanel extends ActionBase {

   protected InlinePanel ipc;
	
   public DisplayParentElementPanel (JaWEComponent jawecomponent) {
      super(jawecomponent);
      this.ipc=(InlinePanel)((NewStandardXPDLElementEditor)jawecomponent).getView();
      setEnabled(false);
   }

   public void enableDisableAction() {
      XMLElement el=ipc.getActiveElement();
      if (el!=null && el.getParent()!=null) {
         setEnabled(true);
         return;
      } 
      
      setEnabled(false);      
   }
   
   public void actionPerformed(ActionEvent e) {
      XMLElement el=ipc.getActiveElement();
      XMLElement parent = null;
      if (el != null) {
         parent = el.getParent();
         if (parent != null) {
            XMLElement choice = null;
            while ((choice = XMLUtil.getParentElementByAssignableType(XMLComplexChoice.class, parent)) != null) {
               parent = choice.getParent();
            }
         }
      }

      if (el != null) {
         if (ipc.isModified()) {
            int sw=ipc.showModifiedWarning();
            if( sw == JOptionPane.CANCEL_OPTION || (sw==JOptionPane.YES_OPTION && ipc.isModified())) {
               return;
            }
         }
         ((NewStandardXPDLElementEditor)jawecomponent).editXPDLElement(parent);
      }
   }
}