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;
}
public static void draw(Pane canvas, ContextMenu contextMenu) {
System.out.println("Number of Vm's Present " + application.Data.vmMap.keySet().size());
System.out.println("Number of Hub's Present " + application.Data.hubMap.keySet().size());
// the pane should be cleared each time
canvas.getChildren().clear();
// if(!Data.vmMap.isEmpty() && !Data.hubMap.isEmpty()) {
// if(!(Data.hubMap.size() == 0)) {
canvas.getChildren().add(createVlanNode("V2", canvas, contextMenu));
// }
// we don't actually want to change the value of Data.hubStartPosY
// instead we initially set our tempPosY to the startPos and alter that
int tempPosX = Data.hubStartPosX;
int tempPosY = Data.hubStartPosY;
// Draw a Blue rectangle for each hub
for (Map.Entry<String, HUB> hubEntry : application.Data.hubMap.entrySet()) {
String currentHubName = hubEntry.getKey();
HUB currentHub = application.Data.hubMap.get(currentHubName);
currentHub.setPosX(tempPosX);
currentHub.setPosY(tempPosY);
canvas.getChildren().add(application.Graphics.createHUBNode(currentHub, canvas, contextMenu));
// cashe wither the hub has connections
// if it don't then theres no need to draw the lines
boolean haveConnections = !currentHub.getInfs().isEmpty();
// ----- Draws a horizontal line from the hub to the middle of the space
// between hubs and vms
if (haveConnections) {
drawLine(canvas, tempPosX + 100, tempPosY + 50, tempPosX + 150, tempPosY + 50);
}
// Draw a Red rectangle for each vm
tempPosX += 200;
for (Map.Entry<String, VM> vmEntry : application.Data.vmMap.entrySet()) {
String currentVMName = vmEntry.getKey();
VM currentVM = application.Data.vmMap.get(currentVMName);
for (Map.Entry<String, String> vmInterface : currentVM.getInterfaces().entrySet()) {
// If the the first three octals of the vm's interface match
// the first three octals of the hub's subnet
// Draw the vm to the left of the hub as they are connected
int ipClass = Data.getIPClass(application.Data.hubMap.get(currentHubName).getNetmask());
String replaceRegex = "\\.\\d{1," + String.valueOf(ipClass) + "}\\z";
if (vmInterface
.getValue()
.replaceAll(replaceRegex, "")
.equals(
application.Data.hubMap
.get(currentHubName)
.getSubnet()
.replaceAll(replaceRegex, ""))) {
application.Data.hubMap
.get(currentHubName)
.addInf(currentVM.getName() + "." + vmInterface.getKey());
currentVM.setPosX(tempPosX);
currentVM.setPosY(tempPosY);
canvas
.getChildren()
.add(application.Graphics.createVMNode(currentVM, canvas, contextMenu));
// draws a horizontal line from each vm to the middle of
// the space between hubs and vms
if (haveConnections) {
drawLine(canvas, tempPosX, tempPosY + 50, tempPosX - 50, tempPosY + 50);
}
tempPosY += 150;
}
}
}
if (!haveConnections) {
tempPosY += 150;
}
// draw vertical in the middle of the space between hubs and vms
if (haveConnections) {
drawLine(canvas, tempPosX - 50, currentHub.getPosY() + 50, tempPosX - 50, tempPosY - 100);
}
// draw horizontal line from the vlan to the hub
drawLine(
canvas,
Data.vlanstartPosX + 100,
currentHub.getPosY() + 50,
currentHub.getPosX(),
currentHub.getPosY() + 50);
tempPosX += 200;
// tempPosY += 150;
}
}