Bug 312959 [Import/Export] importing file from big disk hangs UI
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
sourceNames = new String[0];
			}
            sourceNames = addToHistory(sourceNames, getSourceDirectoryName());
            settings.put(STORE_SOURCE_NAMES_ID, sourceNames);
            
            settings.put(STORE_OVERWRITE_EXISTING_RESOURCES_ID,
                    overwriteExistingResourcesCheckbox.getSelection());
            settings.put(STORE_CREATE_CONTAINER_STRUCTURE_ID,
                    createContainerStructureButton.getSelection());
            if (createVirtualFoldersButton != null) {
	            settings.put(STORE_CREATE_VIRTUAL_FOLDERS_ID,
	            		createVirtualFoldersButton.getSelection());
	
	            settings.put(STORE_CREATE_LINKS_IN_WORKSPACE_ID,
	            		createLinksInWorkspaceButton.getSelection());
	
	            settings.put(STORE_PATH_VARIABLE_SELECTED_ID,
	            		relativePathVariableGroup.getSelection());
	
	            settings.put(STORE_PATH_VARIABLE_NAME_ID,
	            		pathVariable);
            }
        }
    }
    /**
     * Invokes a file selection operation using the specified file system and
     * structure provider.  If the user specifies files to be imported then
     * this selection is cached for later retrieval and is returned.
     */
    protected MinimizedFileSystemElement selectFiles(