State change/transition fires addedToStage/removedFromStage events
Hi,
Not sure if this is intended behaviour, but I noticed that a state transition in my components actually triggers addedToStage/removeFromStage events for objects in that component.
i.e. I've got an application with two components and two states.
Changing states (in the application) has move transitions for both components (one component is like a drawer sliding out and the other makes way for it, but both components were already on the stage before the state change).
When switching between the two states the components that are moved actually also fire the addedToStage/removedFromState events.
Cheers
Skip
Hi Chet,
I just tried setting up a new project to demo this, but (surprise surprise) it seems to work fine now.
I still see it firing in my original project, but I guess that's got to be something I'm doing wrong there.
It'll probably take me some time to plough through it though as the project is pretty large, but will post if I find it (or if i can isolate to a demo project).
Thanks
Skip
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02/03/2010 13:37:22:Enterprise:Service Transition:newwf135 -> suspended
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02/03/2010 13:37:22:Enterprise:Service Transition:newwf31 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:newwf31 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:newwf47 -> suspended
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02/03/2010 13:37:23:Enterprise:Service Transition:us999web46 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:us999web47_80 -> suspended
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02/03/2010 13:37:22:Enterprise:Service Transition:newwf47 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_1350 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_1350 -> down
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02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_1354 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_80 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_80 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_HOD_80 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_HOD_80 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_HOD_8999 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_HOD_8999 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00drws157_cmed -> suspended
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02/03/2010 13:37:22:Enterprise:Service Transition:us00drws158_1350 -> suspended
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02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws149_cmed -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_1350 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_1350 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_1354 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_1354 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_80 -> suspended
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_80 -> down
02/03/2010 13:37:22:Enterprise:Service Transition:us00hqws150_cmed -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:us00hqws150_cmed -> down
02/03/2010 13:37:23:Enterprise:Service Transition:us0999web135_80 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:us999web41_80 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:us999web46 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:us999web47_80 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:web110 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:web110 -> down
02/03/2010 13:37:23:Enterprise:Service Transition:web111 -> suspended
02/03/2010 13:37:23:Enterprise:Service Transition:web111 -> down
02/03/2010 13:37:23:Enterprise:Service Transition:webface_ssl -> suspended
02/03/2010 13:37:24:Generic:LINK UP for 1/1
02/03/2010 13:37:25:Generic:COLD START
02/03/2010 13:37:32:Generic:Virtual Router 9 idle on interface 10.0.2.238
02/03/2010 13:37:32:Generic:Virtual Router 100 idle on interface 10.0.35.3
02/03/2010 13:37:32:Generic:Virtual Router 9 backup on interface 10.0.2.238
02/03/2010 13:37:32:Generic:Virtual Router 100 backup on interface 10.0.35.3
02/03/2010 13:37:52:Generic:Virtual Router 9 master on interface 10.0.2.238
02/03/2010 13:37:52:Generic:Virtual Router 100 master on interface 10.0.35.3
02/03/2010 20:46:18:Enterprise:ISC State Change:DOWN, port-1 fail = No Physical Link, port-2 fail = No Interface Assigned -
JTree - How do I fire a valueChange Event from a keyPressed Event?
Hi,
I have been stumped trying to figure out how to fire a valueChange event in my JTree from a keyPressed event.
When a user changes tree node using the mouse a valueChange event fires. In my program the valueChange executes some code that must be done. I want to get my JTree to work, so that if a user is nagivating the tree using the keyboard, the code is only executed if they press the enter key.
Below is a little demo program of what I am attempting to accomplish. Any suggestions would be greating appriciated.
Thanks,
Corey
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.tree.*;
import javax.swing.event.*;
public class SimpleTreeDemo extends JFrame {
public SimpleTreeDemo() {
public static void main(String args[]) {
JFrame j = new SimpleTreeDemo();
DefaultMutableTreeNode category = new DefaultMutableTreeNode("Top of JTree");
DefaultMutableTreeNode leaf1 = new DefaultMutableTreeNode("leaf1");
DefaultMutableTreeNode leaf2 = new DefaultMutableTreeNode("leaf2");
category.add(leaf1); category.add(leaf2);
final JTree jtree = new JTree(category);
boolean bflag = false;
jtree.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent e) {
System.out.println("valueChanged");
if (bflag)
// Execute Code
jtree.addKeyListener(new KeyListener() {
public void keyTyped(KeyEvent ke) {
System.out.println("keyTyped");
public void keyPressed(KeyEvent ke) {
System.out.println("keyPressed");
if (ke.getKeyCode() == KeyEvent.VK_ENTER)
bflag = true;
// Fire valueChanged here!
public void keyReleased(KeyEvent ke) {
System.out.println("keyReleased");}
Container c = j.getContentPane();
c.add(jtree);
j.setSize(200,200);
j.show();Try this, it works for me.
// Tree Key Listener
tree.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(KeyEvent e) {
tree_KeyReleased(e);
private void tree_KeyReleased(KeyEvent e) {
try {
int keyCode = e.getKeyCode();
// Get the Tree Path
TreePath selPath = tree.getSelectionPath();
if (keyCode == e.VK_DELETE) { //KeyCode - 127
removeSelectedNode(); // Remove the node
else if (keyCode == e.VK_ADD) { // Key Code - 107
tree.expandPath(selPath); // Expand the Node
else if (keyCode == e.VK_SUBTRACT) { // Key Code 109
tree.collapsePath(selPath); // Collapse the Node
else if (keyCode == e.VK_ENTER) {
// What Ever you want to do here
else {
} catch (NullPointerException ex) {
//System.out.println("Null");
[/code -
Catching a state change (enterState/exitState confusion)
So I have an app with very clearly defined states, each represented by a custom component. All the main mxml file does is show the component pertaining to the current state. Each custom component can successfully dispatch a state change event. I have no problems (so far) actually changing between states. The problem is executing particular code inside of the custom component when the state changes. For example, I have a chat lobby component. Each and every time I enter that state, it needs to log in to the server. Whenever I leave that state, it needs to disconnect. I have tried enterState, exitState, hide, show, and nothing seems to work. creationComplete works for logging in, but obviously only the first time. Can somebody please help me understand how to accomplish this? I assume the problem has to do with a misunderstanding of how states and events work. Perhaps the enterState/exitState isn't working in the custom component because the actual state change is taking place in the root application. If that is so, then what can I do inside of the component to catch the entering and exiting? I realize that I could attach code to specific controls that do something specific before emitting the stateChange event, but I would really prefer a global solution if at all possible.
This Flex n00b sincerely appreciates your time and assistance.
AaronHey,
Try to listen the this.addEventListener(StateChangeEvent.CURRENT_STATE_CHANGE,onStateChange) (Do this in the creation complete of the component which is changing the state)event, on handling this find out the current state something like
function onStateChange(evt:StateChangeEvent):void{
if(currentState == 'logoff'){
//do logic
}else if(currentState == 'login'){
//do logic -
Looking for on-run and automatic state change methods
trying to get the mock application to run when you start it, no need to click or interact with it, also hoping to be able to jump to the next state when transitions are completed without needing any user interaction as well.
Thanks
-1kOn Load is a global event on the whole application, as you discovered. We don't currently expose an event for "timeline done playing."
Here's an alternative to the workaround you came up with. This is also not perfect, but more options never hurts :-)
1) Put everything into a custom component
2) Create states inside the custom component, with whatever animated transitions between them you want
3) Back in the main app, add an On Load event that plays an Action Sequence
4) In the Action Sequence's timeline, add Set Component State actions to walk the custom component through its various states
5) Space these out far enough so that the component's animated state transitions finish playing before you jump to the next state
- Peter -
Receiving email notification of port state changes
Hello
I have a small SAN comprising 4 x MDS9509's and a Fabric Manager Server.
The FMS is set to email fabric events, but it doesn't email on port state changes i.e. IF_DOWN_LINK_FAILURE and IF_UP. I'm assuming this is because they are not actual fabric changes.
What is the best way for me to be able to receive email notification of these changes?
Thanks
StevenYou can use callhome
MDS(config)# ip domain-lookup
MDS(config)# ip name-server
MDS(config)# snmp-server contact
MDS(config)# callhome
MDS(config-callhome)# email-contact <[email protected]>
MDS(config-callhome)# phone-contact
MDS(config-callhome)# streetaddress
MDS(config-callhome)# enable
MDS(config-callhome)# transport email from <[email protected]>
MDS(config-callhome)# transport email smtp-server
MDS(config-callhome)# no destination-profile short-txt-destination alert-group All
MDS(config-callhome)# destination-profile short-txt-destination alert-group Syslog-group-port
MDS(config-callhome)# destination-profile short-txt-destination email-addr <[email protected]
MDS(config-callhome)# no duplicate-message throttle
Regards,
Roman
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