Package OntoUML.presentation

Source Code of OntoUML.presentation.OntoUMLModelWizard$OntoUMLModelWizardInitialObjectCreationPage

/**
* <copyright>
* </copyright>
*
* $Id$
*/
package OntoUML.presentation;


import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.StringTokenizer;

import org.eclipse.emf.common.CommonPlugin;

import org.eclipse.emf.common.util.URI;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;

import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;

import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.ecore.xmi.XMLResource;

import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jface.wizard.WizardPage;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;

import org.eclipse.ui.actions.WorkspaceModifyOperation;

import org.eclipse.ui.dialogs.WizardNewFileCreationPage;

import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.ISetSelectionTarget;

import OntoUML.OntoUMLFactory;
import OntoUML.OntoUMLPackage;
import OntoUML.provider.OntoUMLEditPlugin;


import java.io.File;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Text;
import org.eclipse.core.runtime.Path;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;


/**
* This is a simple wizard for creating a new model file.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class OntoUMLModelWizard extends Wizard implements INewWizard {
  /**
   * The supported extensions for created files.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public static final List<String> FILE_EXTENSIONS =
    Collections.unmodifiableList(Arrays.asList(OntoUMLEditorPlugin.INSTANCE.getString("_UI_OntoUMLEditorFilenameExtensions").split("\\s*,\\s*")));

  /**
   * A formatted list of supported file extensions, suitable for display.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public static final String FORMATTED_FILE_EXTENSIONS =
    OntoUMLEditorPlugin.INSTANCE.getString("_UI_OntoUMLEditorFilenameExtensions").replaceAll("\\s*,\\s*", ", ");

  /**
   * This caches an instance of the model package.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected OntoUMLPackage ontoUMLPackage = OntoUMLPackage.eINSTANCE;

  /**
   * This caches an instance of the model factory.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected OntoUMLFactory ontoUMLFactory = ontoUMLPackage.getOntoUMLFactory();

  /**
   * This is the initial object creation page.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected OntoUMLModelWizardInitialObjectCreationPage initialObjectCreationPage;

  /**
   * Remember the selection during initialization for populating the default container.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected IStructuredSelection selection;

  /**
   * Remember the workbench during initialization.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected IWorkbench workbench;

  /**
   * Caches the names of the types that can be created as the root object.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected List<String> initialObjectNames;

  /**
   * This just records the information.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void init(IWorkbench workbench, IStructuredSelection selection) {
    this.workbench = workbench;
    this.selection = selection;
    setWindowTitle(OntoUMLEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
    setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(OntoUMLEditorPlugin.INSTANCE.getImage("full/wizban/NewOntoUML")));
  }

  /**
   * Returns the names of the types that can be created as the root object.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected Collection<String> getInitialObjectNames() {
    if (initialObjectNames == null) {
      initialObjectNames = new ArrayList<String>();
      for (EClassifier eClassifier : ontoUMLPackage.getEClassifiers()) {
        if (eClassifier instanceof EClass) {
          EClass eClass = (EClass)eClassifier;
          if (!eClass.isAbstract()) {
            initialObjectNames.add(eClass.getName());
          }
        }
      }
      Collections.sort(initialObjectNames, java.text.Collator.getInstance());
    }
    return initialObjectNames;
  }

  /**
   * Create a new model.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected EObject createInitialModel() {
    EClass eClass = (EClass)ontoUMLPackage.getEClassifier(initialObjectCreationPage.getInitialObjectName());
    EObject rootObject = ontoUMLFactory.create(eClass);
    return rootObject;
  }

  /**
   * Do the work after everything is specified.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean performFinish() {
    try {
      // Get the URI of the model file.
      //
      final URI fileURI = getModelURI();
      if (new File(fileURI.toFileString()).exists()) {
        if (!MessageDialog.openQuestion
            (getShell(),
             OntoUMLEditorPlugin.INSTANCE.getString("_UI_Question_title"),
             OntoUMLEditorPlugin.INSTANCE.getString("_WARN_FileConflict", new String []{ fileURI.toFileString() }))) {
          initialObjectCreationPage.selectFileField();
          return false;
        }
      }
     
      // Do the work within an operation.
      //
      IRunnableWithProgress operation = new IRunnableWithProgress() {
        public void run(IProgressMonitor progressMonitor) {
            try {
              // Create a resource set
              //
              ResourceSet resourceSet = new ResourceSetImpl();

              // Create a resource for this file.
              //
              Resource resource = resourceSet.createResource(fileURI);

              // Add the initial model object to the contents.
              //
              EObject rootObject = createInitialModel();
              if (rootObject != null) {
                resource.getContents().add(rootObject);
              }

              // Save the contents of the resource to the file system.
              //
              Map<Object, Object> options = new HashMap<Object, Object>();
              options.put(XMLResource.OPTION_ENCODING, initialObjectCreationPage.getEncoding());
              resource.save(options);
            }
            catch (Exception exception) {
              OntoUMLEditorPlugin.INSTANCE.log(exception);
            }
            finally {
              progressMonitor.done();
            }
          }
        };

      getContainer().run(false, false, operation);

      return OntoUMLEditorAdvisor.openEditor(workbench, fileURI);     
    }
    catch (Exception exception) {
      OntoUMLEditorPlugin.INSTANCE.log(exception);
      return false;
    }
  }

  /**
   * This is the page where the type of object to create is selected.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public class OntoUMLModelWizardInitialObjectCreationPage extends WizardPage {
    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Text fileField;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Combo initialObjectField;

    /**
     * @generated
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     */
    protected List<String> encodings;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Combo encodingField;

    /**
     * Pass in the selection.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public OntoUMLModelWizardInitialObjectCreationPage(String pageId) {
      super(pageId);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void createControl(Composite parent) {
      Composite composite = new Composite(parent, SWT.NONE); {
        GridLayout layout = new GridLayout();
        layout.numColumns = 1;
        layout.verticalSpacing = 12;
        composite.setLayout(layout);

        GridData data = new GridData();
        data.verticalAlignment = GridData.FILL;
        data.grabExcessVerticalSpace = true;
        data.horizontalAlignment = GridData.FILL;
        composite.setLayoutData(data);
      }
     
      Label resourceURILabel = new Label(composite, SWT.LEFT);
      {
        resourceURILabel.setText(OntoUMLEditorPlugin.INSTANCE.getString("_UI_File_label"));

        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        resourceURILabel.setLayoutData(data);
      }

      Composite fileComposite = new Composite(composite, SWT.NONE);
      {
        GridData data = new GridData();
        data.horizontalAlignment = GridData.END;
        fileComposite.setLayoutData(data);

        GridLayout layout = new GridLayout();
        data.horizontalAlignment = GridData.FILL;
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        layout.numColumns = 2;
        fileComposite.setLayout(layout);
      }

      fileField = new Text(fileComposite, SWT.BORDER);
      {
        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        data.horizontalSpan = 1;
        fileField.setLayoutData(data);
      }

      fileField.addModifyListener(validator);

      Button resourceURIBrowseFileSystemButton = new Button(fileComposite, SWT.PUSH);
      resourceURIBrowseFileSystemButton.setText(OntoUMLEditorPlugin.INSTANCE.getString("_UI_Browse_label"));

      resourceURIBrowseFileSystemButton.addSelectionListener
        (new SelectionAdapter() {
           @Override
           public void widgetSelected(SelectionEvent event) {
             String[] filters = OntoUMLEditor.FILE_EXTENSION_FILTERS.toArray(new String[OntoUMLEditor.FILE_EXTENSION_FILTERS.size()]);
             String[] files = OntoUMLEditorAdvisor.openFilePathDialog(getShell(), SWT.SAVE, filters);
             if (files.length > 0) {
               fileField.setText(files[0]);
             }
           }
         });
      Label containerLabel = new Label(composite, SWT.LEFT);
      {
        containerLabel.setText(OntoUMLEditorPlugin.INSTANCE.getString("_UI_ModelObject"));

        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        containerLabel.setLayoutData(data);
      }

      initialObjectField = new Combo(composite, SWT.BORDER);
      {
        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        initialObjectField.setLayoutData(data);
      }

      for (String objectName : getInitialObjectNames()) {
        initialObjectField.add(getLabel(objectName));
      }

      if (initialObjectField.getItemCount() == 1) {
        initialObjectField.select(0);
      }
      initialObjectField.addModifyListener(validator);

      Label encodingLabel = new Label(composite, SWT.LEFT);
      {
        encodingLabel.setText(OntoUMLEditorPlugin.INSTANCE.getString("_UI_XMLEncoding"));

        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        encodingLabel.setLayoutData(data);
      }
      encodingField = new Combo(composite, SWT.BORDER);
      {
        GridData data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        encodingField.setLayoutData(data);
      }

      for (String encoding : getEncodings()) {
        encodingField.add(encoding);
      }

      encodingField.select(0);
      encodingField.addModifyListener(validator);

      setPageComplete(validatePage());
      setControl(composite);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ModifyListener validator =
      new ModifyListener() {
        public void modifyText(ModifyEvent e) {
          setPageComplete(validatePage());
        }
      };

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected boolean validatePage() {
      URI fileURI = getFileURI();
      if (fileURI == null || fileURI.isEmpty()) {
        setErrorMessage(null);
        return false;
      }

      String extension = fileURI.fileExtension();
      if (extension == null || !FILE_EXTENSIONS.contains(extension)) {
        String key = FILE_EXTENSIONS.size() > 1 ? "_WARN_FilenameExtensions" : "_WARN_FilenameExtension";
        setErrorMessage(OntoUMLEditorPlugin.INSTANCE.getString(key, new Object [] { FORMATTED_FILE_EXTENSIONS }));
        return false;
      }

      setErrorMessage(null);
      return getInitialObjectName() != null && getEncodings().contains(encodingField.getText());
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void setVisible(boolean visible) {
      super.setVisible(visible);
      if (visible) {
        initialObjectField.clearSelection();
        encodingField.clearSelection();
        fileField.setFocus();
      }
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public String getInitialObjectName() {
      String label = initialObjectField.getText();

      for (String name : getInitialObjectNames()) {
        if (getLabel(name).equals(label)) {
          return name;
        }
      }
      return null;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public String getEncoding() {
      return encodingField.getText();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public URI getFileURI() {
      try {
        return URI.createFileURI(fileField.getText());
      }
      catch (Exception exception) {
        // Ignore
      }
      return null;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void selectFileField() {
        initialObjectField.clearSelection();
        encodingField.clearSelection();
        fileField.selectAll();
        fileField.setFocus();
    }

    /**
     * Returns the label for the specified type name.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected String getLabel(String typeName) {
      try {
        return OntoUMLEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type");
      }
      catch(MissingResourceException mre) {
        OntoUMLEditorPlugin.INSTANCE.log(mre);
      }
      return typeName;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Collection<String> getEncodings() {
      if (encodings == null) {
        encodings = new ArrayList<String>();
        for (StringTokenizer stringTokenizer = new StringTokenizer(OntoUMLEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) {
          encodings.add(stringTokenizer.nextToken());
        }
      }
      return encodings;
    }
  }

  /**
   * The framework calls this to create the contents of the wizard.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
    @Override
  public void addPages() {
    initialObjectCreationPage = new OntoUMLModelWizardInitialObjectCreationPage("Whatever2");
    initialObjectCreationPage.setTitle(OntoUMLEditorPlugin.INSTANCE.getString("_UI_OntoUMLModelWizard_label"));
    initialObjectCreationPage.setDescription(OntoUMLEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description"));
    addPage(initialObjectCreationPage);
  }

  /**
     * Get the URI from the page.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
    */
    public URI getModelURI() {
      return initialObjectCreationPage.getFileURI();
    }

}
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