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/*

 * WSDLRefactoringElement.java

 *

 * Created on December 30, 2006, 4:41 PM

 *

 * To change this template, choose Tools | Template Manager

 * and open the template in the editor.

 */

package org.netbeans.modules.xml.wsdl.refactoring;

import java.awt.event.ActionEvent;

import javax.swing.Action;

import javax.swing.text.Document;

import javax.swing.text.Position.Bias;

import org.netbeans.modules.refactoring.spi.SimpleRefactoringElementImplementation;

import org.netbeans.modules.refactoring.spi.ui.TreeElement;

import org.netbeans.modules.refactoring.spi.ui.TreeElementFactory;

import org.netbeans.modules.xml.refactoring.XMLRefactoringTransaction;

import org.netbeans.modules.xml.refactoring.spi.SharedUtils;

import org.netbeans.modules.xml.schema.model.SchemaComponent;

import org.netbeans.modules.xml.wsdl.model.WSDLModel;

import org.netbeans.modules.xml.wsdl.ui.netbeans.module.WSDLDataObject;

import org.netbeans.modules.xml.wsdl.ui.view.treeeditor.NodesFactory;

import org.netbeans.modules.xml.xam.Component;

import org.netbeans.modules.xml.xam.Model;

import org.netbeans.modules.xml.xam.ModelSource;

import org.netbeans.modules.xml.xam.Referenceable;

import org.netbeans.modules.xml.xam.dom.AbstractDocumentModel;

import org.netbeans.modules.xml.xam.dom.DocumentComponent;

import org.netbeans.modules.xml.xam.dom.DocumentModelAccess;

import org.netbeans.modules.xml.xam.ui.actions.ShowSourceAction;

import org.openide.filesystems.FileObject;

import org.openide.loaders.DataObject;

import org.openide.loaders.DataObjectNotFoundException;

import org.openide.nodes.AbstractNode;

import org.openide.nodes.Children;

import org.openide.nodes.Node;

import org.openide.text.CloneableEditorSupport;

import org.openide.text.PositionBounds;

import org.openide.text.PositionRef;

import org.openide.util.Exceptions;

import org.openide.util.Lookup;

import org.openide.util.actions.SystemAction;

import org.openide.util.lookup.Lookups;

import org.w3c.dom.Element;

/**

 *

 * @author Sonali

 */

public class WSDLRefactoringElement extends SimpleRefactoringElementImplementation {

    private FileObject source;

    Model model;

    Component comp;

    Node node;

    XMLRefactoringTransaction transaction;

    /**

     * Creates a new instance of WSDLRefactoringElement

     */

    public WSDLRefactoringElement(Model model, Referenceable target, Component comp) {

        this.model=model;

        this.comp=comp;

        try {

            if(model instanceof WSDLModel) {

                ModelSource ms = model.getModelSource();

                source = (FileObject) ms.getLookup().lookup(FileObject.class);

                    if(source != null) {

                        DataObject dObj = DataObject.find(source);

                        if(dObj != null && dObj instanceof WSDLDataObject) {

                            this.node = NodesFactory.getInstance().create(comp);

                        } 

                }

            }

        }catch (Exception e){

            e.printStackTrace();

        }

    }

    public Lookup getLookup() {

       return Lookups.singleton(comp);

    }

    public FileObject getParentFile() {

       if (source == null) {

            assert model != null : "Invalid object, expecting non-null model."; //NOI18N

            source = (FileObject)model.getModelSource().getLookup().lookup(FileObject.class);

            assert source != null : "ModelSource should have FileObject in lookup"; //NOI18N

        }

        return source;

    }

    public String getText() {

        if(node == null){

            //in case of embedded SchemaComponent, use the TreeElementFactory as the UIHelper 

           TreeElement elem = TreeElementFactory.getTreeElement(comp);

           return elem.getText(true);

        }

        return node.getName();

    }

    public String getDisplayText() {

        if(node == null){

            //in case of embedded Schema, the component is a SchemaComponent

            //The NodeFactory returns a null node. use the TreeElementFactory as the UIHelper 

            // to locate the factory that handles schema components

           TreeElement elem = TreeElementFactory.getTreeElement(comp);

           return elem.getText(true);

        }

        return node.getHtmlDisplayName();

    }

    public void performChange() {

    }

   public PositionBounds getPosition() {

      if(comp.getModel() instanceof AbstractDocumentModel ) {

          DocumentModelAccess docAcc =null;

          Element elem = null;

          int startPos = 0;

          if(comp instanceof SchemaComponent)

              docAcc = ((AbstractDocumentModel)model).getAccess();

          else

              docAcc  = ((AbstractDocumentModel)comp.getModel()).getAccess();

          elem = ((DocumentComponent)comp).getPeer();

          startPos = ((DocumentComponent)comp).findPosition();

          String txt = docAcc.getXmlFragmentInclusive(elem);

          int endPos = startPos + txt.length();

          DataObject dob = null;

          try {

              FileObject source = (FileObject)comp.getModel().getModelSource().getLookup().lookup(FileObject.class);

              dob = DataObject.find(source);

           } catch (DataObjectNotFoundException ex) {

              ex.printStackTrace();

           }

           CloneableEditorSupport ces = SharedUtils.findCloneableEditorSupport(dob);

           if(ces == null)

                return null;

           PositionRef ref1 = ces.createPositionRef(startPos, Bias.Forward);

           PositionRef ref2 = ces.createPositionRef(endPos, Bias.Forward);

           PositionBounds bounds = new PositionBounds(ref1, ref2);

           return bounds;

       }else 

           return null;

    }

    public void openInEditor(){

         Action preferredAction = SystemAction.get(ShowSourceAction.class);

         String command = (String)preferredAction.getValue(Action.ACTION_COMMAND_KEY);

         if(node == null) {

             node  = new AbstractNode(Children.LEAF);

         }

         ActionEvent ae = new ActionEvent(node, 0, command);

         preferredAction.actionPerformed(ae);

     }

    void addTransactionObject(XMLRefactoringTransaction transaction) {

        this.transaction = transaction;

    }

    protected String getNewFileContent() {

       if(comp.getModel() instanceof AbstractDocumentModel && transaction != null) {

             try {

                String refactoredString = transaction.refactorForPreview(comp.getModel());

                return refactoredString;

            } catch (Exception ex) {

                Exceptions.printStackTrace(ex);

               return null;

           }

         }

         return null;

    }

}