Bug 148551 [Import/Export] Import File System Problem
When going to import some files if you choose General, then Filesystem. As you browse to the folder where you want to import items from and select it, the option to "Select All" is not available until you either select the folder or a file in the folder.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
checkFile(files[i]);
                }
            }
            private void checkFile(Object fileElement) {
                MinimizedFileSystemElement file = (MinimizedFileSystemElement) fileElement;
                if (isExportableExtension(file.getFileNameExtension())) {
                    List elements = new ArrayList();
                    FileSystemElement parent = file.getParent();
                    if (selectionMap.containsKey(parent)) {
						elements = (List) selectionMap.get(parent);
					}
                    elements.add(file);
                    selectionMap.put(parent, elements);
                }
            }
        };
        IRunnableWithProgress runnable = new IRunnableWithProgress() {
            public void run(final IProgressMonitor monitor)
                    throws InterruptedException {
                monitor
                        .beginTask(
                                DataTransferMessages.ImportPage_filterSelections, IProgressMonitor.UNKNOWN);
                getSelectedResources(filter, monitor);
            }
        };
        try {
            dialog.run(true, true, runnable);
        } catch (InvocationTargetException exception) {
            
            return;