Bug 185892 [Import/Export] Unexpectedly cursor moving in import dialog.
Unexpectedly cursor moving in import dialog. To reproduce: 1. select "Import" from context menu. 2. Select "File System" and click "Next". 3. Click "Into Folder" text field and input/delete a character. Issues: The cursor moves to "From directory" text field unexpectedly.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
DataTransferMessages.FileImport_noneSelected);
        return false;
    }
    /**
     * Returns a content provider for <code>FileSystemElement</code>s that returns 
     * only files as children.
     */
    protected ITreeContentProvider getFileProvider() {
        return new WorkbenchContentProvider() {
            public Object[] getChildren(Object o) {
                if (o instanceof MinimizedFileSystemElement) {
                    MinimizedFileSystemElement element = (MinimizedFileSystemElement) o;
                    return element.getFiles(
                            FileSystemStructureProvider.INSTANCE).getChildren(
                            element);
                }
                return new Object[0];
            }
        };
    }
    /**
     *	Answer the root FileSystemElement that represents the contents of
     *	the currently-specified source.  If this FileSystemElement is not
     *	currently defined then create and return it.
     */
    protected MinimizedFileSystemElement getFileSystemTree() {
        File sourceDirectory = getSourceDirectory();
        if (sourceDirectory == null) {
			return null;
		}