@Override
public void bindBidirectional(Property<ObservableSet<E>> other) {
try {
super.bindBidirectional(other);
} catch (IllegalArgumentException e) {
if ("Cannot bind property to itself".equals(e.getMessage()) && this != other) {
// XXX: The super implementation relies on equals() not on
// object identity to infer whether a binding is valid. It thus
// throw an IllegalArgumentException if two equal properties are
// passed in, even if they are not identical. We have to
// ensure they are thus unequal to establish the binding; as
// our value will be initially overwritten anyway, we may adjust
// the local value; to reduce noise, we only adjust the local
// value if necessary
if (other.getValue() == null) {
if (getValue() == null) {
// set to value != null
setValue(FXCollections.observableSet(new HashSet<E>()));
}
} else {
if (getValue().equals(other)) {
// set to null value
setValue(null);
}
}
// try again
super.bindBidirectional(other);
} else {
throw (e);
}
}
}
@Override
public void unbindBidirectional(Property<ObservableSet<E>> other) {
try {
super.unbindBidirectional(other);
} catch (IllegalArgumentException e) {
if ("Cannot bind property to itself".equals(e.getMessage()) && this != other) {
// XXX: The super implementation relies on equals() not on
// object identity to infer whether a binding is valid. It thus
// throw an IllegalArgumentException if two equal properties are
// passed in, even if they are not identical. We have to
// ensure they are thus unequal to remove the binding; we
// have to restore the current value afterwards.
ObservableSet<E> oldValue = getValue();
if (other.getValue() == null) {
// set to value != null
setValue(FXCollections.observableSet(new HashSet<E>()));
} else {
// set to null value
setValue(null);
}
// try again
super.unbindBidirectional(other);
setValue(oldValue);
} else {
throw (e);
}
}
}
protected Market(GoodType goodType) {
this.goodType = goodType;
// if the market is a labor market, buyers hire and sellers get hired. Otherwise buyers receive
// and sellers earn
if (goodType.isLabor()) policy = new SimpleHiringTradePolicy();
else policy = SimpleGoodTradePolicy.getInstance();
buyers = FXCollections.observableSet(new HashSet<>());
sellers = FXCollections.observableSet(new HashSet<>());
marketData = new MarketData();
// build the gui inspector
if (MacroII.hasGUI()) {
marketInspector = buildInspector();
}
}
/**
* AbstractDisableable.
*
* <p>Binds {@code disabled} to {@code disablers.emptyProperty().not()}.
*
* <p>If a subclass wants to bind {@code disabled} to additional reasons, it must unbind {@code
* disabled} first.
*
* @author Werner Randelshofer
* @version $Id$
*/
public class AbstractDisableable implements Disableable {
protected final ReadOnlyBooleanWrapper disabled = new ReadOnlyBooleanWrapper();
protected final SetProperty<Object> disablers =
new SimpleSetProperty<Object>(FXCollections.observableSet());
public AbstractDisableable() {
disabled.bind(disablers.emptyProperty().not());
}
@Override
public ReadOnlyBooleanProperty disabledProperty() {
return disabled.getReadOnlyProperty();
}
@Override
public SetProperty<Object> disablersProperty() {
return disablers;
}
}
/**
* Event handler of OK button.
*
* @param event ActionEvent of this event.
*/
@FXML
private void onOkClick(ActionEvent event) {
int startIdx = startCombo.getSelectionModel().getSelectedIndex();
int endIdx = endCombo.getSelectionModel().getSelectedIndex();
currentTarget.set(
FXCollections.observableArrayList(startCombo.getItems().subList(startIdx, endIdx + 1)));
currentClassNameSet.set(FXCollections.observableSet());
summaryData.set(new SummaryData(currentTarget.get()));
Task<Void> topNTask = histogramController.getDrawTopNDataTask(currentTarget.get(), true, null);
super.bindTask(topNTask);
Thread topNThread = new Thread(topNTask);
topNThread.start();
Task<Void> summarizeTask =
summaryController.getCalculateGCSummaryTask(this::drawRebootSuspectLine);
super.bindTask(summarizeTask);
Thread summarizeThread = new Thread(summarizeTask);
summarizeThread.start();
}
@Test
public void mirroredSet() throws Exception {
ObservableSet<String> source = FXCollections.observableSet();
source.add("alpha");
source.add("beta");
ObservableSet<String> dest = ObservableMirrors.mirrorSet(source, gate);
assertEquals(0, gate.getTaskQueueSize());
assertEquals(2, dest.size());
source.add("delta");
assertEquals(1, gate.getTaskQueueSize());
assertEquals(2, dest.size());
gate.waitAndRun();
assertEquals(0, gate.getTaskQueueSize());
assertEquals(3, dest.size());
source.removeAll(ImmutableList.of("alpha", "beta"));
assertEquals(2, gate.getTaskQueueSize());
gate.waitAndRun();
gate.waitAndRun();
assertEquals(1, dest.size());
assertTrue(dest.contains("delta"));
}
@IDProperty("id")
@DefaultProperty("children")
public class Widget {
private StringProperty id = new SimpleStringProperty();
private StringProperty name = new SimpleStringProperty();
private IntegerProperty number = new SimpleIntegerProperty();
private ObservableList<Widget> children = FXCollections.observableArrayList();
private ObservableSet<String> set = FXCollections.observableSet();
private ObservableMap<String, Object> properties = FXCollections.observableHashMap();
private BooleanProperty enabledProperty = new SimpleBooleanProperty(true);
private ArrayList<String> styles = new ArrayList<String>();
private ArrayList<String> values = new ArrayList<String>();
private float[] ratios = new float[] {};
private String[] names = new String[] {};
public static final String ALIGNMENT_KEY = "alignment";
public static final int TEN = 10;
private EventHandler<ActionEvent> actionHandler;
public Widget() {
this(null);
}
public Widget(String name) {
setName(name);
}
public String getId() {
return id.get();
}
public void setId(String value) {
id.set(value);
}
public StringProperty idProperty() {
return id;
}
public String getName() {
return name.get();
}
public void setName(String value) {
name.set(value);
}
public StringProperty nameProperty() {
return name;
}
public int getNumber() {
return number.get();
}
public void setNumber(int value) {
number.set(value);
}
public IntegerProperty numberProperty() {
return number;
}
public ObservableList<Widget> getChildren() {
return children;
}
public ObservableMap<String, Object> getProperties() {
return properties;
}
public boolean isEnabled() {
return enabledProperty.get();
}
public void setEnabled(boolean value) {
enabledProperty.set(value);
}
public BooleanProperty enabledProperty() {
return enabledProperty;
}
public List<String> getStyles() {
return styles;
}
public List<String> getValues() {
return values;
}
public void setValues(List<String> values) {
if (values == null) {
throw new IllegalArgumentException();
}
this.values = new ArrayList<String>();
this.values.addAll(values);
}
public float[] getRatios() {
return Arrays.copyOf(ratios, ratios.length);
}
public void setRatios(float[] ratios) {
this.ratios = Arrays.copyOf(ratios, ratios.length);
}
public String[] getNames() {
return Arrays.copyOf(names, names.length);
}
public void setNames(String[] names) {
this.names = Arrays.copyOf(names, names.length);
}
public ObservableSet<String> getSet() {
return set;
}
public static Alignment getAlignment(Widget widget) {
return (Alignment) widget.getProperties().get(ALIGNMENT_KEY);
}
public static void setAlignment(Widget widget, Alignment alignment) {
widget.getProperties().put(ALIGNMENT_KEY, alignment);
}
public final void setOnAction(EventHandler<ActionEvent> value) {
actionHandler = value;
}
public final EventHandler<ActionEvent> getOnAction() {
return actionHandler;
}
public final void fire() {
actionHandler.handle(new ActionEvent());
}
}
public class FileTreePane extends BorderPane {
private static final Logger logger = LoggerFactory.getLogger(FileTreePane.class);
// TODO make use of the useCase => store and retrieve the last selection per use-case!
private final StringProperty useCaseProperty =
new SimpleStringProperty(this, "useCase", "default") {
@Override
public void set(final String useCase) {
assertNotNull("useCase", useCase);
}
};
@FXML private TreeTableView<FileTreeItem<?>> treeTableView;
@FXML private CheckBox showHiddenFilesCheckBox;
@FXML private Button refreshButton;
@FXML private Button createDirButton;
@FXML private Button renameButton;
@FXML private Button deleteButton;
@FXML private TreeTableColumn<FileTreeItem<?>, String> nameTreeTableColumn;
@FXML private TreeTableColumn<FileTreeItem<?>, String> sizeTreeTableColumn;
@FXML private TreeTableColumn<FileTreeItem<?>, String> lastModifiedTreeTableColumn;
private final BooleanProperty showHiddenFilesProperty =
new SimpleBooleanProperty(this, "showHiddenFiles", false);
private FileTreeItem<?> rootFileTreeItem;
private final ObservableSet<File> selectedFiles =
FXCollections.observableSet(new HashSet<File>());
private final ObjectProperty<FileFilter> fileFilterProperty =
new SimpleObjectProperty<FileFilter>(this, "fileFilter") {
@Override
public void set(FileFilter newValue) {
// WORKAROUND: the selection is modified when setting the fileFilter from the outside
// (refreshing the children seems to cause it) :-(
if (updatingSelectedFiles) {
super.set(newValue);
return;
}
updatingSelectedFiles = true;
try {
super.set(newValue);
treeTableView.getSelectionModel().clearSelection();
} finally {
updatingSelectedFiles = false;
}
for (File f : selectedFiles) selectFileTreeItemForSelectedFile(f);
}
};
private final SetChangeListener<File> selectedFilesChangeListener =
new SetChangeListener<File>() {
@Override
public void onChanged(final SetChangeListener.Change<? extends File> c) {
assertFxApplicationThread();
if (c.getElementRemoved() != null)
unselectTreeItemForUnselectedFile(c.getElementRemoved());
if (c.getElementAdded() != null) selectFileTreeItemForSelectedFile(c.getElementAdded());
updateDisable();
}
};
private boolean updatingSelectedFiles;
private final CopyOnWriteArrayList<WeakReference<RefreshListener>> refreshListeners =
new CopyOnWriteArrayList<>();
private final ReferenceQueue<RefreshListener> refreshListenersReferenceQueue =
new ReferenceQueue<>();
public FileTreePane() {
loadDynamicComponentFxml(FileTreePane.class, this);
rootFileTreeItem = new RootFileTreeItem(this);
// The root here is *not* the real root of the file system and should be hidden, because
// (1) we might want to have 'virtual' visible roots like "Home", "Desktop", "Drives" and
// (2) even if we displayed only the real file system without any shortcuts like "Desktop",
// we'd still have multiple roots on a crappy pseudo-OS like Windows still having these shitty
// drive letters.
treeTableView.setShowRoot(false);
treeTableView.setRoot(rootFileTreeItem);
treeTableView.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
treeTableView
.getSelectionModel()
.selectedItemProperty()
.addListener(
(ChangeListener<TreeItem<FileTreeItem<?>>>)
(observable, o, n) -> updateSelectedFiles());
treeTableView
.getSelectionModel()
.getSelectedItems()
.addListener((InvalidationListener) observable -> updateSelectedFiles());
selectedFiles.addListener(selectedFilesChangeListener);
showHiddenFilesCheckBox.selectedProperty().bindBidirectional(showHiddenFilesProperty);
// TODO remove the following line - preferably replace by proper, use-case-dependent management!
selectedFiles.add(IOUtil.getUserHome());
updateDisable();
}
private void updateDisable() {
final int seletectItemsSize = treeTableView.getSelectionModel().getSelectedItems().size();
createDirButton.setDisable(
seletectItemsSize != 1); // the selection is the parent - and thus required!
renameButton.setDisable(seletectItemsSize != 1);
deleteButton.setDisable(seletectItemsSize < 1);
}
public boolean isRefreshButtonVisible() {
return refreshButton.isVisible();
}
public void setRefreshButtonVisible(boolean visible) {
refreshButton.setVisible(visible);
}
private void updateSelectedFiles() {
assertFxApplicationThread();
if (updatingSelectedFiles) return;
updatingSelectedFiles = true;
try {
final ObservableList<TreeItem<FileTreeItem<?>>> selectedItems =
treeTableView.getSelectionModel().getSelectedItems();
final Set<File> newSelectedFiles = new HashSet<File>(selectedItems.size());
for (final TreeItem<FileTreeItem<?>> selectedItem : selectedItems) {
final FileTreeItem<?> fileTreeItem =
selectedItem == null
? null
: selectedItem.getValue(); // strange but true: it can be null
if (fileTreeItem instanceof FileFileTreeItem)
newSelectedFiles.add(((FileFileTreeItem) fileTreeItem).getFile());
}
selectedFiles.retainAll(newSelectedFiles);
selectedFiles.addAll(newSelectedFiles);
} finally {
updatingSelectedFiles = false;
}
}
private void selectFileTreeItemForSelectedFile(final File file) {
if (updatingSelectedFiles) return;
updatingSelectedFiles = true;
try {
final FileTreeItem<?> fileTreeItem = rootFileTreeItem.findFirst(file);
if (fileTreeItem == null) {
IllegalStateException x =
new IllegalStateException("File does not have corresponding FileTreeItem: " + file);
logger.warn("selectFileTreeItemForSelectedFile: " + x, x);
} else {
TreeItem<?> ti = fileTreeItem.getParent();
while (ti != null) {
ti.setExpanded(true);
ti = ti.getParent();
}
// TODO maybe, instead of scrolling here (after each single item is selected), immediately,
// we should wait (=> Timer) and scroll to the *first* selection, later?!
treeTableView.getSelectionModel().select(fileTreeItem);
int row = treeTableView.getRow(fileTreeItem);
if (row >= 0) treeTableView.scrollTo(row);
}
} finally {
updatingSelectedFiles = false;
}
}
private void unselectTreeItemForUnselectedFile(final File file) {
if (updatingSelectedFiles) return;
updatingSelectedFiles = true;
try {
final FileTreeItem<?> fileTreeItem = rootFileTreeItem.findFirst(file);
if (fileTreeItem != null) {
final Set<TreeItem<FileTreeItem<?>>> selectedItems =
new LinkedHashSet<TreeItem<FileTreeItem<?>>>(
treeTableView.getSelectionModel().getSelectedItems());
if (selectedItems.remove(fileTreeItem)) {
treeTableView.getSelectionModel().clearSelection();
for (TreeItem<FileTreeItem<?>> treeItem : selectedItems)
treeTableView.getSelectionModel().select(treeItem);
}
}
} finally {
updatingSelectedFiles = false;
}
}
public ObservableSet<File> getSelectedFiles() {
return selectedFiles;
}
public void refresh() {
fireRefreshEvent();
}
private void fireRefreshEvent() {
final RefreshEvent event = new RefreshEvent(this);
expungeRefreshListeners();
for (final Reference<RefreshListener> reference : refreshListeners) {
final RefreshListener listener = reference.get();
if (listener != null) listener.onRefresh(event);
}
}
protected void addRefreshListener(RefreshListener listener) {
expungeRefreshListeners();
refreshListeners.add(
new IdentityWeakReference<RefreshListener>(
assertNotNull("listener", listener), refreshListenersReferenceQueue));
}
protected void removeRefreshListener(RefreshListener listener) {
expungeRefreshListeners();
refreshListeners.remove(
new IdentityWeakReference<RefreshListener>(assertNotNull("listener", listener)));
}
private void expungeRefreshListeners() {
Reference<? extends RefreshListener> ref;
while ((ref = refreshListenersReferenceQueue.poll()) != null) refreshListeners.remove(ref);
}
public SelectionMode getSelectionMode() {
return treeTableView.getSelectionModel().getSelectionMode();
}
public void setSelectionMode(SelectionMode selectionMode) {
assertNotNull("selectionMode", selectionMode);
treeTableView.getSelectionModel().setSelectionMode(selectionMode);
}
protected TreeTableView<FileTreeItem<?>> getTreeTableView() {
return treeTableView;
}
public FileTreeItem<?> getRootFileTreeItem() {
return rootFileTreeItem;
}
public void setRootFileTreeItem(FileTreeItem<?> rootFileTreeItem) {
this.rootFileTreeItem = rootFileTreeItem;
treeTableView.setRoot(rootFileTreeItem);
}
public BooleanProperty showHiddenFilesProperty() {
return showHiddenFilesProperty;
}
public ObjectProperty<FileFilter> fileFilterProperty() {
return fileFilterProperty;
}
/**
* Gets the use-case.
*
* @return the use-case. Never <code>null</code>.
* @see #useCaseProperty()
*/
public String getUseCase() {
return useCaseProperty.get();
}
/**
* Sets the use-case.
*
* @param useCase the use-case. Must not be <code>null</code>.
* @see #useCaseProperty()
*/
public void setUseCase(String useCase) {
useCaseProperty.set(useCase);
}
/**
* The use-case-property. This identifier is used to remember the last selection.
*
* @return the use-case-property. Never <code>null</code>.
*/
public StringProperty useCaseProperty() {
return useCaseProperty;
}
@Override
public void requestFocus() {
super.requestFocus();
treeTableView.requestFocus();
}
@FXML
private void refreshButtonClicked(final ActionEvent event) {
fireRefreshEvent();
treeTableView.refresh();
}
@FXML
private void createDirButtonClicked(final ActionEvent event) {
final File parent = assertNotNull("getSelectedDirectory()", getSelectedDirectory());
final String dirName =
showCreateOrRenameDialog(
"Create folder",
"What should be the new folder's name?",
parent,
null,
(name) -> !createFile(parent, name).exists());
if (dirName != null) {
final File directory = createFile(parent, dirName);
directory.mkdirs();
if (!directory.isDirectory())
showErrorDialog(
"Failed to create directory!",
"The directory could not be created! Maybe you're missing the required permissions?!");
else {
refresh();
getSelectedFiles().clear();
getSelectedFiles().add(directory);
}
}
}
@FXML
private void renameButtonClicked(final ActionEvent event) {
final File selectedFile = getSelectedFile();
final File parent = selectedFile.getParentFile();
final String newName =
showCreateOrRenameDialog(
"Rename",
"What should be the new name?",
parent,
selectedFile.getName(),
(name) -> !selectedFile.getName().equals(name) && !createFile(parent, name).exists());
if (newName != null) {
final File newFile = createFile(parent, newName);
if (!selectedFile.renameTo(newFile))
showErrorDialog(
"Failed to rename file!",
"The file could not be renamed! Maybe you're missing the required permissions?!");
else {
refresh();
getSelectedFiles().clear();
getSelectedFiles().add(newFile);
}
}
}
@FXML
private void deleteButtonClicked(final ActionEvent event) {
final Set<File> selectedFiles = getSelectedFiles();
if (selectedFiles.isEmpty()) return;
Alert alert = new Alert(AlertType.CONFIRMATION);
alert.setTitle("Delete");
alert.setHeaderText("Delete these files?");
final VBox contentContainer = new VBox();
contentContainer.setSpacing(8);
final Text contentText =
new Text("The following files and folders are about to be deleted (folders recursively!):");
contentText.setWrappingWidth(400);
contentContainer.getChildren().add(contentText);
final ListView<String> fileListView = new ListView<>();
for (final File file : selectedFiles) fileListView.getItems().add(file.getAbsolutePath());
fileListView.setPrefSize(400, 200);
contentContainer.getChildren().add(fileListView);
alert.getDialogPane().setContent(contentContainer);
if (alert.showAndWait().get() == ButtonType.OK) {
final List<File> notDeletedFiles = new ArrayList<>();
for (final File file : selectedFiles) {
file.deleteRecursively();
if (file.exists()) notDeletedFiles.add(file);
}
refresh();
if (!notDeletedFiles.isEmpty())
showErrorDialog(
"Deleting failed!",
"The selected files (or directories) could be not deleted. They may have been deleted partially, though.");
}
}
private String showCreateOrRenameDialog(
final String title,
final String headerText,
final File parent,
final String name,
final NameVerifier nameVerifier) {
final Alert alert = new Alert(AlertType.CONFIRMATION);
alert.setTitle(title);
alert.setHeaderText(headerText);
final GridPane contentContainer = new GridPane();
contentContainer.setPadding(new Insets(8));
contentContainer.setHgap(8);
contentContainer.setVgap(8);
contentContainer.add(new Label("Parent:"), 0, 0);
final TextField parentTextField = new TextField();
parentTextField.setEditable(false);
parentTextField.setText(parent.getAbsolutePath());
contentContainer.add(parentTextField, 1, 0);
contentContainer.add(new Label("Name:"), 0, 1);
final TextField dirNameTextField = new TextField();
dirNameTextField.setText(name);
GridPane.setHgrow(dirNameTextField, Priority.ALWAYS);
contentContainer.add(dirNameTextField, 1, 1);
final InvalidationListener updateDisableInvalidationListener =
(observable) -> {
final String dirName = dirNameTextField.getText();
final Node okButton = alert.getDialogPane().lookupButton(ButtonType.OK);
if (isEmpty(dirName)) okButton.setDisable(true);
else {
final boolean nameAcceptable = nameVerifier.isNameAcceptable(dirName);
okButton.setDisable(!nameAcceptable);
}
};
dirNameTextField.textProperty().addListener(updateDisableInvalidationListener);
alert.getDialogPane().setContent(contentContainer);
alert.setOnShowing(
(event) -> {
dirNameTextField.requestFocus();
dirNameTextField.selectAll();
updateDisableInvalidationListener.invalidated(null);
});
if (alert.showAndWait().get() == ButtonType.OK) return dirNameTextField.getText();
else return null;
}
private void showErrorDialog(final String headerText, final String contentText) {
final Alert alert = new Alert(AlertType.ERROR);
// alert.setTitle("Error");
alert.setHeaderText(headerText);
alert.setContentText(contentText);
alert.showAndWait();
}
@FunctionalInterface
private static interface NameVerifier {
boolean isNameAcceptable(String name);
}
private File getSelectedFile() {
final Iterator<File> iterator = getSelectedFiles().iterator();
if (!iterator.hasNext()) return null; // nothing selected
final File file = iterator.next();
if (iterator.hasNext()) return null; // more than one selected.
else return file;
}
private File getSelectedDirectory() {
File directory = getSelectedFile();
if (directory != null && !directory.isDirectory()) directory = directory.getParentFile();
return directory;
}
protected TreeTableColumn<FileTreeItem<?>, String> getNameTreeTableColumn() {
return nameTreeTableColumn;
}
protected TreeTableColumn<FileTreeItem<?>, String> getSizeTreeTableColumn() {
return sizeTreeTableColumn;
}
protected TreeTableColumn<FileTreeItem<?>, String> getLastModifiedTreeTableColumn() {
return lastModifiedTreeTableColumn;
}
}
