import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Collect the list of .project files that are under directory into files.
 *
 * @param files
 * @param monitor
 *            The monitor to report to
 * @return boolean <code>true</code> if the operation was completed.
 */
private boolean collectProjectFilesFromProvider(final Collection<ProjectRecord> files, final Object entry,
		final int level, final IProgressMonitor monitor) {

	if (monitor.isCanceled()) { return false; }
	monitor.subTask(NLS.bind(DataTransferMessages.WizardProjectsImportPage_CheckingMessage,
			structureProvider.getLabel(entry)));
	List<?> children = structureProvider.getChildren(entry);
	if (children == null) {
		children = new ArrayList<Object>(1);
	}
	final Iterator<?> childrenEnum = children.iterator();
	while (childrenEnum.hasNext()) {
		final Object child = childrenEnum.next();
		if (structureProvider.isFolder(child)) {
			collectProjectFilesFromProvider(files, child, level + 1, monitor);
		}
		final String elementLabel = structureProvider.getLabel(child);
		if (elementLabel.equals(IProjectDescription.DESCRIPTION_FILE_NAME)) {
			files.add(new ProjectRecord(child, entry, level));
		}
	}
	return true;
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Create the buttons for the group that determine if the entire or
 * selected directory structure should be created.
 * @param optionsGroup
 * @param font
 */
protected void createDirectoryStructureOptions(Composite optionsGroup, Font font) {
    // create directory structure radios
    createDirectoryStructureButton = new Button(optionsGroup, SWT.RADIO
            | SWT.LEFT);
    createDirectoryStructureButton.setText(DataTransferMessages.FileExport_createDirectoryStructure);
    createDirectoryStructureButton.setSelection(false);
    createDirectoryStructureButton.setFont(font);

    // create directory structure radios
    createSelectionOnlyButton = new Button(optionsGroup, SWT.RADIO
            | SWT.LEFT);
    createSelectionOnlyButton.setText(DataTransferMessages.FileExport_createSelectedDirectories);
    createSelectionOnlyButton.setSelection(true);
    createSelectionOnlyButton.setFont(font);
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
  * Attempts to ensure that the specified directory exists on the local file system.
  * Answers a boolean indicating success.
  *
  * @return boolean
  * @param directory java.io.File
  */
 protected boolean ensureDirectoryExists(File directory) {
     if (!directory.exists()) {
         if (!queryYesNoQuestion("Directory " + directory.getAbsolutePath()
         		+ " does not exist. Would you like to create it?")) {
	return false;
}

         if (!directory.mkdirs()) {
             carefullyDisplayErrorDialog(DataTransferMessages.DataTransfer_directoryCreationError);
             giveFocusToDestination();
             return false;
         }
     }

     return true;
 }
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Create the area with the extra options.
 * 
 * @param workArea
 */
@SuppressWarnings("unused")
private void createOptionsArea(Composite workArea) {
	Composite optionsGroup = new Composite(workArea, SWT.NONE);
	optionsGroup.setLayout(new GridLayout());
	optionsGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	copyCheckbox = new Button(optionsGroup, SWT.CHECK);
	copyCheckbox
			.setText(DataTransferMessages.WizardProjectsImportPage_CopyProjectsIntoWorkspace);
	copyCheckbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	copyCheckbox.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			copyFiles = copyCheckbox.getSelection();
		}
	});
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Attempts to ensure that the specified directory exists on the local file system. Answers a boolean indicating
 * success.
 * @return boolean
 * @param directory
 *            java.io.File
 */
protected boolean ensureDirectoryExists(File directory) {
	if (!directory.exists()) {
		if (!queryYesNoQuestion(DataTransferMessages.DataTransfer_createTargetDirectory)) {
			return false;
		}

		if (!directory.mkdirs()) {
			displayErrorDialog(DataTransferMessages.DataTransfer_directoryCreationError);
			giveFocusToDestination();
			return false;
		}
	}

	return true;
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Answer a boolean indicating whether the receivers destination specification widgets currently all contain valid
 * values.
 */
protected boolean validateDestinationGroup() {
	String destinationValue = getDestinationValue();
	if (destinationValue.length() == 0) {
		setMessage(destinationEmptyMessage());
		return false;
	}

	String conflictingContainer = getConflictingContainerNameFor(destinationValue);
	if (conflictingContainer == null) {
		// no error message, but warning may exists
		String threatenedContainer = getOverlappingProjectName(destinationValue);
		if (threatenedContainer == null)
			setMessage(null);
		else
			setMessage(NLS.bind(DataTransferMessages.FileExport_damageWarning, threatenedContainer), WARNING);

	} else {
		setErrorMessage(NLS.bind(DataTransferMessages.FileExport_conflictingContainer, conflictingContainer));
		giveFocusToDestination();
		return false;
	}

	return true;
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Returns a boolean indicating whether the passed File handle is is valid and available for use.
 */
protected boolean ensureTargetFileIsValid(File targetFile) {
	if (targetFile.exists() && targetFile.isDirectory()) {
		displayErrorDialog(DataTransferMessages.ZipExport_mustBeFile);
		giveFocusToDestination();
		return false;
	}

	if (targetFile.exists()) {
		if (targetFile.canWrite()) {
			if (!queryYesNoQuestion(DataTransferMessages.ZipExport_alreadyExists)) {
				return false;
			}
		} else {
			displayErrorDialog(DataTransferMessages.ZipExport_alreadyExistsError);
			giveFocusToDestination();
			return false;
		}
	}

	return true;
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Open an appropriate destination browser so that the user can specify a source to import from
 */
protected void handleDestinationBrowseButtonPressed() {
	FileDialog dialog = new FileDialog(getContainer().getShell(), SWT.SAVE | SWT.SHEET);
	dialog.setFilterExtensions(new String[] { "*.hszip", "*" }); //$NON-NLS-1$ //$NON-NLS-2$
	dialog.setText(DataTransferMessages.ArchiveExport_selectDestinationTitle);
	String currentSourceString = getDestinationValue();
	int lastSeparatorIndex = currentSourceString.lastIndexOf(File.separator);
	if (lastSeparatorIndex != -1) {
		dialog.setFilterPath(currentSourceString.substring(0, lastSeparatorIndex));
	}
	String selectedFileName = dialog.open();

	if (selectedFileName != null) {
		setErrorMessage(null);
		setDestinationValue(selectedFileName);
		if (getWhiteCheckedResources().size() > 0) {
			setDescription(null);
		}
	}
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
    * Constructor for ExternalProjectImportWizard.
    * 
    * @param initialPath Default path for wizard to import
    * @since 3.5
    */
public ImportProjectWizard(String initialPath)
   {
       super();
       this.initialPath = initialPath;
       setWindowTitle(DataTransferMessages.DataTransfer_importTitle);
       setNeedsProgressMonitor(true);
       IDialogSettings workbenchSettings = IDEWorkbenchPlugin.getDefault()
       		.getDialogSettings();
       
	IDialogSettings wizardSettings = workbenchSettings
	        .getSection(IMPORT_PROJECT_SECTION);
	if (wizardSettings == null) {
		wizardSettings = workbenchSettings
	            .addNewSection(IMPORT_PROJECT_SECTION);
	}
	setDialogSettings(wizardSettings);        
   }
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
   * Imports the specified file system objects into the workspace.
   * If the import fails, adds a status object to the list to be returned by
   * <code>getStatus</code>.
   *
   * @param filesToImport the list of file system objects to import
   *   (element type: <code>Object</code>)
* @throws CoreException 
   * @exception OperationCanceledException if canceled
   */
  void importFileSystemObjects(List filesToImport) throws CoreException {
      Iterator filesEnum = filesToImport.iterator();
      while (filesEnum.hasNext()) {
          Object fileSystemObject = filesEnum.next();
          if (source == null) {
              // We just import what we are given into the destination
              IPath sourcePath = new Path(provider
                      .getFullPath(fileSystemObject)).removeLastSegments(1);
              if (provider.isFolder(fileSystemObject) && sourcePath.isEmpty()) {
                  // If we don't have a parent then we have selected the
                  // file systems root. Roots can't copied (at least not
                  // under windows).
                  errorTable.add(new Status(IStatus.INFO,
                          PlatformUI.PLUGIN_ID, 0, DataTransferMessages.ImportOperation_cannotCopy,
                          null));
                  continue;
              }
              source = sourcePath.toFile();
          }
          importRecursivelyFrom(fileSystemObject, POLICY_DEFAULT);
      }
  }
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
   * Queries the user whether the resource with the specified path should be
   * overwritten by a file system object that is being imported.
   * 
   * @param resourcePath the workspace path of the resource that needs to be overwritten
   * @return <code>true</code> to overwrite, <code>false</code> to not overwrite
   * @exception OperationCanceledException if canceled
   */
  boolean queryOverwrite(IPath resourcePath)
          throws OperationCanceledException {
      String overwriteAnswer = overwriteCallback.queryOverwrite(resourcePath
              .makeRelative().toString());

      if (overwriteAnswer.equals(IOverwriteQuery.CANCEL)) {
	throw new OperationCanceledException(DataTransferMessages.DataTransfer_emptyString);
}

      if (overwriteAnswer.equals(IOverwriteQuery.NO)) {
          return false;
      }

      if (overwriteAnswer.equals(IOverwriteQuery.NO_ALL)) {
          this.overwriteState = OVERWRITE_NONE;
          return false;
      }

      if (overwriteAnswer.equals(IOverwriteQuery.ALL)) {
	this.overwriteState = OVERWRITE_ALL;
}

      return true;
  }
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * If the target for export does not exist then attempt to create it. Answer a boolean indicating whether the target
 * exists (ie.- if it either pre-existed or this method was able to create it)
 */
private boolean ensureTargetDirectoryIsValid(File targetDirectory) {
	if (targetDirectory.exists() && !targetDirectory.isDirectory()) {
		displayErrorDialog(DataTransferMessages.FileExport_directoryExists);
		giveFocusToDestination();
		return false;
	}

	return ensureDirectoryExists(targetDirectory);
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
@Override
protected void createOptionsGroupButtons(Group optionsGroup) {
	Font font = optionsGroup.getFont();
	optionsGroup.setLayout(new GridLayout(2, true));

	Composite left = new Composite(optionsGroup, SWT.NONE);
	left.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, false));
	left.setLayout(new GridLayout(1, true));

	// compress... checkbox
	compressContentsCheckbox = new Button(left, SWT.CHECK | SWT.LEFT);
	compressContentsCheckbox.setText(DataTransferMessages.ZipExport_compressContents);
	compressContentsCheckbox.setFont(font);

}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Gets the label to be used when rendering this project record in the UI.
 *
 * @return String the label
 * @since 3.4
 */
public String getProjectLabel() {
	final String path =
			projectSystemFile == null ? structureProvider.getLabel(parent) : projectSystemFile.getParent();

	return NLS.bind(DataTransferMessages.WizardProjectsImportPage_projectLabel, projectName, path);
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
private void updateProjectsStatus() {
	projectsList.refresh(true);
	final ProjectRecord[] projects = getProjectRecords();

	boolean displayConflictWarning = false;
	boolean displayInvalidWarning = false;

	for (final ProjectRecord project : projects) {
		if (project.hasConflicts || project.isInvalid) {
			projectsList.setGrayed(project, true);
			displayConflictWarning |= project.hasConflicts;
			displayInvalidWarning |= project.isInvalid;
		} else {
			projectsList.setChecked(project, true);
		}
	}

	if (displayConflictWarning && displayInvalidWarning) {
		setMessage(DataTransferMessages.WizardProjectsImportPage_projectsInWorkspaceAndInvalid, WARNING);
	} else if (displayConflictWarning) {
		setMessage(DataTransferMessages.WizardProjectsImportPage_projectsInWorkspace, WARNING);
	} else if (displayInvalidWarning) {
		setMessage(DataTransferMessages.WizardProjectsImportPage_projectsInvalid, WARNING);
	} else {
		setMessage("Select a directory or an archive to search for existing GAMA projects.");
	}
	setPageComplete(projectsList.getCheckedElements().length > 0);
	if (selectedProjects.length == 0) {
		setMessage(DataTransferMessages.WizardProjectsImportPage_noProjectsToImport, WARNING);
	}
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * The browse button has been selected. Select the location.
 */
protected void handleLocationDirectoryButtonPressed() {

	final DirectoryDialog dialog = new DirectoryDialog(directoryPathField.getShell(), SWT.SHEET);
	dialog.setMessage(DataTransferMessages.WizardProjectsImportPage_SelectDialogTitle);

	String dirName = directoryPathField.getText().trim();
	if (dirName.length() == 0) {
		dirName = previouslyBrowsedDirectory;
	}

	if (dirName.length() == 0) {
		dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getLocation().toOSString());
	} else {
		final File path = new File(dirName);
		if (path.exists()) {
			dialog.setFilterPath(new Path(dirName).toOSString());
		}
	}

	final String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
		previouslyBrowsedDirectory = selectedDirectory;
		directoryPathField.setText(previouslyBrowsedDirectory);
		updateProjectsList(selectedDirectory);
	}

}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * The browse button has been selected. Select the location.
 */
protected void handleLocationArchiveButtonPressed() {

	final FileDialog dialog = new FileDialog(archivePathField.getShell(), SWT.SHEET);
	dialog.setFilterExtensions(FILE_IMPORT_MASK);
	dialog.setText(DataTransferMessages.WizardProjectsImportPage_SelectArchiveDialogTitle);

	String fileName = archivePathField.getText().trim();
	if (fileName.length() == 0) {
		fileName = previouslyBrowsedArchive;
	}

	if (fileName.length() == 0) {
		dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getLocation().toOSString());
	} else {
		final File path = new File(fileName).getParentFile();
		if (path != null && path.exists()) {
			dialog.setFilterPath(path.toString());
		}
	}

	final String selectedArchive = dialog.open();
	if (selectedArchive != null) {
		previouslyBrowsedArchive = selectedArchive;
		archivePathField.setText(previouslyBrowsedArchive);
		updateProjectsList(selectedArchive);
	}

}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * The browse button has been selected. Select the location.
 */
protected void handleLocationDirectoryButtonPressed()
{

	DirectoryDialog dialog = new DirectoryDialog(directoryPathField.getShell());
	dialog.setMessage(DataTransferMessages.WizardProjectsImportPage_SelectDialogTitle);

	String dirName = directoryPathField.getText().trim();
	if (dirName.length() == 0)
	{
		dirName = previouslyBrowsedDirectory;
	}

	if (dirName.length() == 0)
	{
		dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace().getRoot().getLocation().toOSString());
	}
	else
	{
		File path = new File(dirName);
		if (path.exists())
		{
			dialog.setFilterPath(new Path(dirName).toOSString());
		}
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null)
	{
		previouslyBrowsedDirectory = selectedDirectory;
		directoryPathField.setText(previouslyBrowsedDirectory);
	}

	setProjectName();

	setPageComplete(directoryPathField.getText() != null);

}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Create an instance of this class.
 *
 * @param selection the selection
 */
public AbstractEnsembleProjectExportWizardPage(IStructuredSelection selection) {
    this("fileSystemExportPage1", selection); //$NON-NLS-1$
    setTitle(DataTransferMessages.DataTransfer_fileSystemTitle);
    setDescription(DataTransferMessages.FileExport_exportLocalFileSystem);
    this.currentSelection = selection;
}
 

import org.eclipse.ui.internal.wizards.datatransfer.DataTransferMessages; //导入依赖的package包/类
/**
 * Create the button for checking if we should ask if we are going to
 * overwrite existing files.
 * @param optionsGroup
 * @param font
 */
protected void createOverwriteExisting(Group optionsGroup, Font font) {
    // overwrite... checkbox
    overwriteExistingFilesCheckbox = new Button(optionsGroup, SWT.CHECK
            | SWT.LEFT);
    overwriteExistingFilesCheckbox.setText(DataTransferMessages.ExportFile_overwriteExisting);
    overwriteExistingFilesCheckbox.setFont(font);
}