private void initChangeListeners() {
overlayCloseProperty()
.addListener(
(o, oldVal, newVal) -> {
if (overlayPane != null) {
if (newVal) overlayPane.addEventHandler(MouseEvent.MOUSE_PRESSED, closeHandler);
else overlayPane.removeEventHandler(MouseEvent.MOUSE_PRESSED, closeHandler);
}
});
}
private void initialize() {
this.setVisible(false);
this.getStyleClass().add(DEFAULT_STYLE_CLASS);
contentHolder = new StackPane();
contentHolder.setBackground(
new Background(new BackgroundFill(Color.WHITE, new CornerRadii(2), null)));
JFXDepthManager.setDepth(contentHolder, 4);
contentHolder.setPickOnBounds(false);
// ensure stackpane is never resized beyond it's preferred size
contentHolder.setMaxSize(Region.USE_PREF_SIZE, Region.USE_PREF_SIZE);
overlayPane = new StackPane();
overlayPane.getChildren().add(contentHolder);
overlayPane.getStyleClass().add("jfx-dialog-overlay-pane");
StackPane.setAlignment(contentHolder, Pos.CENTER);
overlayPane.setVisible(false);
overlayPane.setBackground(
new Background(new BackgroundFill(Color.rgb(0, 0, 0, 0.1), null, null)));
// close the dialog if clicked on the overlay pane
if (overlayClose.get()) overlayPane.addEventHandler(MouseEvent.MOUSE_PRESSED, closeHandler);
// prevent propagating the events to overlay pane
contentHolder.addEventHandler(MouseEvent.ANY, (e) -> e.consume());
}
private static Node createHUBNode(HUB hubObject, Pane canvas, ContextMenu contextMenu) {
// each hub is represented by a blue rectangle
Rectangle node = new Rectangle(Data.nodeLength, Data.nodeWidth);
node.setFill(Color.AQUAMARINE);
// the hub name in the rectangle
Label lnodeName = new Label(hubObject.getName());
// this stackpane stack the label on top of the rectangle to make them
// one entity
StackPane nodeContainer = new StackPane();
nodeContainer.getChildren().addAll(node, lnodeName);
nodeContainer.relocate(hubObject.getPosX(), hubObject.getPosY());
// add a popover when one of the hub is clicked
nodeContainer.addEventHandler(
MouseEvent.MOUSE_CLICKED,
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
if (event.getButton() == MouseButton.PRIMARY) {
PopOver popOver =
new PopOver(createHUBPopOverContent(hubObject, canvas, contextMenu));
popOver.setDetachable(false);
popOver.show(nodeContainer);
popOver.setOnHiding(
new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent e) {
hubNodeHidingListener(popOver, hubObject, canvas, contextMenu);
}
});
}
if (event.getButton() == MouseButton.SECONDARY) {
// if user right click on a HUB then enable the "delete"
// menu
contextMenu.getItems().get(2).setDisable(false);
// when user select an object to delete
contextMenu
.getItems()
.get(2)
.setOnAction(
new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
String hubName = hubObject.getName();
TreeSet<String> interfaces = hubObject.getInfs();
for (String inf : interfaces) {
Pattern pat = Pattern.compile(Data.hubInfPattern);
Matcher matcher = pat.matcher(inf);
// delete the VM interface that is connected to
// the hub
if (matcher.find()) {
String vmName = matcher.group(1);
String vmEth = matcher.group(2);
Data.vmMap.get(vmName).removeInf(vmEth);
}
}
// delete the hub
Data.hubMap.remove(hubName);
draw(canvas, contextMenu);
}
});
// disable the "delete option when the popover closes"
contextMenu.setOnHidden(
new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent e) {
contextMenu.getItems().get(2).setDisable(true);
}
});
}
}
});
return nodeContainer;
}
private static Node createVMNode(VM vmObject, Pane canvas, ContextMenu contextMenu) {
// each vm is represented by a red rectangle
Rectangle node = new Rectangle(Data.nodeLength, Data.nodeWidth);
node.setFill(Color.RED);
// the hub name in the rectangle
Label lnodeName = new Label(vmObject.getName());
// this stackpane stack the label on top of the rectangle to make them
// one entity
StackPane nodeContainer = new StackPane();
nodeContainer.getChildren().addAll(node, lnodeName);
nodeContainer.relocate(vmObject.getPosX(), vmObject.getPosY());
// add a popover when one of the hub is clicked
nodeContainer.addEventHandler(
MouseEvent.MOUSE_CLICKED,
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
if (event.getButton() == MouseButton.PRIMARY) {
PopOver popOver = new PopOver(createVMPopOverContent(vmObject, canvas, contextMenu));
popOver.setDetachable(false);
popOver.show(nodeContainer);
popOver.setOnHiding(
new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent e) {
vmNodeHidingListener(popOver, vmObject, canvas, contextMenu);
}
});
} else if (event.getButton() == MouseButton.SECONDARY) {
System.out.println(Data.vmMap);
// if user right click on a HUB then enable the "delete"
// menu
contextMenu.getItems().get(2).setDisable(false);
// when user select an object to delete
contextMenu
.getItems()
.get(2)
.setOnAction(
new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent e) {
System.out.println("Delete is clicked");
String vmName = vmObject.getName();
LinkedHashMap<String, HUB> tempHubMap = Data.hubMap;
// look in every hubObject
for (Map.Entry<String, HUB> hubEntry : tempHubMap.entrySet()) {
TreeSet<String> hubInf =
tempHubMap.get(hubEntry.getValue().getName()).getInfs();
Pattern pat = Pattern.compile(Data.hubInfPattern);
boolean deleteInf = false;
ArrayList<String> toRemove = new ArrayList<String>();
// look in each hubInf
for (String inf : hubInf) {
Matcher matcher = pat.matcher(inf);
if (matcher.find()) {
if (matcher.group(1).toLowerCase().equals(vmName.toLowerCase())) {
toRemove.add(inf);
deleteInf = true;
}
}
}
System.out.println(toRemove);
if (deleteInf == true) {
for (String item : toRemove) {
Data.hubMap.get(hubEntry.getValue().getName()).removeInf(item);
}
}
}
// delete the vm
Data.vmMap.remove(vmName);
draw(canvas, contextMenu);
}
});
// disable the "delete option when the popover closes"
contextMenu.setOnHidden(
new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent e) {
contextMenu.getItems().get(2).setDisable(true);
}
});
}
}
});
return nodeContainer;
}