extlibrarymodelwizard.java

EMF、GEF官方例子源代码

     * <!-- end-user-doc -->
     * @generated
     */
    protected boolean validatePage()
    {
      if (super.validatePage())
      {
        // Make sure the file ends in ".extlibrary".
        //
        String requiredExt = EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryEditorFilenameExtension"); //$NON-NLS-1$
        String enteredExt = new Path(getFileName()).getFileExtension();
        if (enteredExt == null || !enteredExt.equals(requiredExt))
        {
          setErrorMessage(EXTLibraryEditorPlugin.INSTANCE.getString("_WARN_FilenameExtension", new Object [] { requiredExt })); //$NON-NLS-1$
          return false;
        }
        else
        {
          return true;
        }
      }
      else
      {
        return false;
      }
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public IFile getModelFile()
    {
      return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
    }
  }

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

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

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

    /**
     * Pass in the selection.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EXTLibraryModelWizardInitialObjectCreationPage(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 containerLabel = new Label(composite, SWT.LEFT);
      {
        containerLabel.setText(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_ModelObject")); //$NON-NLS-1$

        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 (Iterator i = getInitialObjectNames().iterator(); i.hasNext(); )
      {
        initialObjectField.add(getLabel((String)i.next()));
      }

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

      Label encodingLabel = new Label(composite, SWT.LEFT);
      {
        encodingLabel.setText(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_XMLEncoding")); //$NON-NLS-1$

        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 (Iterator i = getEncodings().iterator(); i.hasNext(); )
      {
        encodingField.add((String)i.next());
      }

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setVisible(boolean visible)
    {
      super.setVisible(visible);
      if (visible)
      {
        if (initialObjectField.getItemCount() == 1)
        {
          initialObjectField.clearSelection();
          encodingField.setFocus();
        }
        else
        {
          encodingField.clearSelection();
          initialObjectField.setFocus();
        }
      }
    }

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

      for (Iterator i = getInitialObjectNames().iterator(); i.hasNext(); )
      {
        String name = (String)i.next();
        if (getLabel(name).equals(label))
        {
          return name;
        }
      }
      return null;
    }

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

    /**
     * Returns the label for the specified type name.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected String getLabel(String typeName)
    {
      try
      {
        return EXTLibraryEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type"); //$NON-NLS-1$ //$NON-NLS-2$
      }
      catch(MissingResourceException mre)
      {
        EXTLibraryEditorPlugin.INSTANCE.log(mre);
      }
      return typeName;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Collection getEncodings()
    {
      if (encodings == null)
      {
        encodings = new ArrayList();
        for (StringTokenizer stringTokenizer = new StringTokenizer(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) //$NON-NLS-1$
        {
          encodings.add(stringTokenizer.nextToken());
        }
      }
      return encodings;
    }
  }

  /**
   * The framework calls this to create the contents of the wizard.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void addPages()
  {
    // Create a page, set the title, and the initial model file name.
    //
    newFileCreationPage = new EXTLibraryModelWizardNewFileCreationPage("Whatever", selection); //$NON-NLS-1$
    newFileCreationPage.setTitle(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryModelWizard_label")); //$NON-NLS-1$
    newFileCreationPage.setDescription(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryModelWizard_description")); //$NON-NLS-1$
    newFileCreationPage.setFileName(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryEditorFilenameDefaultBase") + "." + EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryEditorFilenameExtension")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    addPage(newFileCreationPage);

    // Try and get the resource selection to determine a current directory for the file dialog.
    //
    if (selection != null && !selection.isEmpty())
    {
      // Get the resource...
      //
      Object selectedElement = selection.iterator().next();
      if (selectedElement instanceof IResource)
      {
        // Get the resource parent, if its a file.
        //
        IResource selectedResource = (IResource)selectedElement;
        if (selectedResource.getType() == IResource.FILE)
        {
          selectedResource = selectedResource.getParent();
        }

        // This gives us a directory...
        //
        if (selectedResource instanceof IFolder || selectedResource instanceof IProject)
        {
          // Set this for the container.
          //
          newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());

          // Make up a unique new name here.
          //
          String defaultModelBaseFilename = EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryEditorFilenameDefaultBase"); //$NON-NLS-1$
          String defaultModelFilenameExtension = EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryEditorFilenameExtension"); //$NON-NLS-1$
          String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension; //$NON-NLS-1$
          for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i)
          {
            modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension; //$NON-NLS-1$
          }
          newFileCreationPage.setFileName(modelFilename);
        }
      }
    }
    initialObjectCreationPage = new EXTLibraryModelWizardInitialObjectCreationPage("Whatever2"); //$NON-NLS-1$
    initialObjectCreationPage.setTitle(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_EXTLibraryModelWizard_label")); //$NON-NLS-1$
    initialObjectCreationPage.setDescription(EXTLibraryEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description")); //$NON-NLS-1$
    addPage(initialObjectCreationPage);
  }

  /**
   * Get the file from the page.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public IFile getModelFile()
  {
    return newFileCreationPage.getModelFile();
  }

}