Azure: Updating a label on a VM
I have a need to update VM labels; not Cloud Service labels. Right now the VM label is blank and I cannot find how to update this field from PowerShell. Any advice would be appreciated.
Have you tried this with "NewImageLabel"
Save-AzureVMImage
-ServiceName MyService
-Name MyVM
-NewImageName MyBaseImage
-NewImageLabel MyBaseVM
¯\_(ツ)_/¯
Similar Messages
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Need Help to update the labels in the GUI syncronously - Swing application
Hello everyone,
I need some help regarding a swing application. I am not able to syncronously update the counters and labels that display on my Swing GUI as the application runs in the background. But when the running of application is completed, then the labels on the GUI are getting updated, But I want update the labels and counters on the GUI syncronously as the code executes... below I am giving the format of the code I have written..............
public class SwingApp extends JFrame{
// here i have declared the label and component varibles like...
private JTextField startTextField;
private JComboBox maxComboBox;
private JTextField logTextField;
private JTextField searchTextField;
private JLabel imagesDownloaded1;
private JLabel imagesDownloaded2;
private JLabel imagesDidnotDownload1;
private JLabel imagesDidnotDownload2;
private JButton startButton;
//now in the constructer.............
public Swing(){
//I used gridbaglayout and wrote the code for the GUI to appear....
startButton = new JButton("Start Downloading");
startButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try{
actionSearch(); //actionSearch will contain all the code and the function calls of my application...........
}catch(Exception e1){
System.out.println(e1);
constraints = new GridBagConstraints();
constraints.gridwidth = GridBagConstraints.REMAINDER;
constraints.insets = new Insets(5, 5, 5, 5);
layout.setConstraints(startButton, constraints);
searchPanel.add(startButton);
//update is a function which initiates a thread which updates the GUI. this function will be called to pass the required variables in the application
public void update(final int count_hits, final int counter_image_download1, final int didnot_download1) throws Exception{
Thread thread = new Thread(new Runnable() {
public void run() {
System.out.println("entered into thread");
System.out.println("the variable that has to be set is " + count_hits);
server_hits_count.repaint(count_hits);
server_hits_count.setText( " "+ Integer.toString(count_hits));
imagesDownloaded2.setText(" " + Integer.toString(counter_image_download1));
imagesDidnotDownload2.setText(" " + Integer.toString(didnot_download1));
repaint();
//this.update(count_hits);
thread.start();
//Now in main............................
public static void main(String[] args){
Swing s = new Swing();
s.setVisible(true);
}//end of main
}//end of class SwingAbove I have given the skeleton code of my application........ Please tell me how to update the GUI syncronously...
Please its a bit urgent...............
Thank you very much in advance
chaitanyaFirst off, note that this question should have been posted in the Swing section.
GUI events run in a separate thread (the AWT / Event Dispatch Thread) than your program.
You should be invoking AWT/Swing events via SwingUtilities.invokeLater().
If for whatever reason you want to have the program thread wait for the event to process
you can use invokeAndWait().
http://java.sun.com/javase/6/docs/api/javax/swing/SwingUtilities.html -
Updating a Label content from code behind using dispatcher
hi,
I am trying to update a label's content from code behind.
This part of the code is running in background worker. I wrote the following code to update a label's content:
volumecontrol.Dispatcher.BeginInvoke(new Action(() =>
volumecontrol.Content = volumeupdate;
i tried using both BeginInvoke and Invoke but the application exits with the error:
System.InvalidOperationException' occurred in WindowsBase.dll
Using Invoke works when updating the UI from another thread but it not working in this case:
Pls help.
Thanks,
Shaleen
TheHexLordWhen you do that new action stuff you're capturing variables.
If that means you grab a control's value across from outside the {} then you're trying to capture the variable on the background thread. If that's some sort of control you're messing with then that will cause a problem as they have thread affinity.
Because you don't want to be blocking the UI thread at all you should use BeginInvoke rather than Invoke.
To explain this clearly - and provide a way you could use to explore what's going on and learn - we need a separate thread which can be done using Task.Factory.StartNew.
This bit of code allows you to put code onto a background thread:
Task.Factory.StartNew(() =>
// On a separate thread to the UI here
Create a new solution, add a textBlock and Button:
<StackPanel>
<TextBlock Name="tb"/>
<Button Name="btn" Click="btn_Click">Change the text</Button>
</StackPanel>
Then in the button click you can play around with what's going on.
Just to be clear.
That textblock is a control and it is created on the UI thread.
To get from that task thread back to the UI thread you should use Dispatcher.BeginInvoke. With no control name.
Let's start with a broken piece of code:
private void btn_Click(object sender, RoutedEventArgs e)
Task.Factory.StartNew(() =>
string thingummy = tb.Text + "Banana";
Dispatcher.BeginInvoke(new Action(() => { tb.Text = thingummy; }));
When you click the button it'll error because when you access tb.Text there you do so on a background thread and tb has thread affinity.
This, however, will work OK.
Task.Factory.StartNew(() =>
Dispatcher.BeginInvoke(new Action(() => { tb.Text = tb.Text + "Banana"; }));
That's OK because the Action runs on the UI thread where tb was created and all is good.
Anonymous methods and actions capture variables ( you can google that for more info ).
If you wanted to use a variable which was created on the background thread you can set it here:
Task.Factory.StartNew(() =>
string thingummy = "banana";
Dispatcher.BeginInvoke(new Action(() => { tb.Text = thingummy; }));
or here
string thingummy = "banana";
Task.Factory.StartNew(() =>
Dispatcher.BeginInvoke(new Action(() => { tb.Text = thingummy; }));
They both work.
They are not accessing properties of a UI control because you're just setting the variable to a string.
All of which means you could have a variable in your code which is set to volume or whatever that is from your control ON THE UI THREAD and then modify that variable on the background thread. Variables do not have thread affinity. A
double, string or whatever isn't a control.
And this approach might well be more convenient.
Hope that helps.
Recent Technet articles:
Property List Editing ;
Dynamic XAML -
Font-Update of Labels with UI-Manager doesn't seem to work. PLZ help.
Hi, i placed serveral JLabel's on a JFrame. (in many Jpanels)
in a Dialog I enabled the user to select Fonts, Styles and Sizes.
I used
UIManager.put("Label.font",selectedFonts[0]);
SwingUtilities.updateComponentTreeUI(MainFrame);
MainFrame.repaint();to update the default-font.
This works fine for labels in a JDialog which is completly recreated after changing the font.
But for labels that are still visible and aren't recreated, this action seems to have no effect to the labels.
I stored the selected fonts and after a restart of the prog it look like it should, but I want to change it at runtime.
I tried to set the font-sizes by hand, which caused the programm to hang-up.
The same result was caused by using updateComponentTreeUI on partial UITree's.
Calling setVisible(false ); and setVisible(true ); don't work either.
Is there a way, to update the labels without removing and recreating??
Tanks a lot in advance for any help.
Urmech
PS.: Please excuse my bad english.Hmm, I would have expected it to work exactly like you are doing it. Doing some experiments I found that the font is taken only on the very first change after startup. The only difference between the first and any following font settings (at least in my test setup) was that on start the type of the old font is a FontUIResource (as it is set by the UIDelegate on startup) whereas at the second it's a Font.
so, instead of
UIManager.put("Label.font", selectedFont[0])
doing a
UIManager.put("Label.font", new FontUIResource(selectedFont[0])
does the trick, though I don't understand it fully.
Greetings
Jeanette -
Please update the label of Oracle XML Developers Kit Downloads
We can see the following labels on http://technet.oracle.com/software/tech/xml/xdk/content.html
- Oracle XML Developers Kit on UNIX 10.1.0.0.0(beta) 12/31/02
- Oracle XML Developers Kit on Windows NT 10.1.0.0.0(beta) 12/31/02
Correct version number is '10.1.0.0.1(patch1)' and correct update date is '03/31/03'.Thanks for pointing this out. I will be fixes.
-
Why does TS Operator Interface Resource file not update panel labels correctly?
There seems to be a problem with TS1.0.2 with the retrieval of Resource strings. If there are other INI files in the Components\User\Language\English directory other than the "OperatorInterfaceStrings.ini" file, the default operator interface seems to randomly use other files when attempting to get the resource strings to update my panel labels. The problem occured when I created a copy of the original "copy*.ini" file and my OI kept using the text values from the old file even after closing the OI and restarting it. Would like to know why.
Hi Todd,
In the \User\Language\English directory should be a file called CustomStrings.ini.
Put your additional Resource strings in this file and keep your default ini files unaltered in the \NI\.. folder.
Follow the structure as per the default inis and as per the user manual.
This should sort your problem out.
Regards
Ray Farmer
Regards
Ray Farmer -
Updated Ratings, Labels and Flags in LR3?
I understand in LR2 that ratings and labels are global -- apply them in any folder or collection and they will appear everywhere and that flags are local -- apply them to a folder or collection and they will only appear in that local folder or collection.
Is this still true in LR3? Has there been an update so that individual photos in specific collections can have can have their own specific stars separate from the original star in their original folder?Flags remain local!
No to your other question. -
Update button label when locale changes, in AS3
What I'm trying to do is pretty do what this does:
<s:Button label="{resourceManager.getString('Strings', 'some_resource')}"/>
but in ActionScript code. I have a function to add a new tab button to a layout which takes a string and just trying to set the label to the same string doesn't work obviously. So what I need is a way to set the button label to some bindable value that will update whenever the locale changes, like it does automatically when doing it in MXML.Nevermind, I figured it out. For those of you that are curious about the solution I found it's in the code below. The only way I could figure out how to get it working is by declaring a local function right after creating a button and attaching it as a "change" event handler to the resourceManager.
public function addTab(resourceName:String):uint
var newTab:Button = new Button();
newTab.label = resourceManager.getString('Strings', resourceName);
newTab.setStyle("skinClass", Skins.Buttons.TabButton);
// Create a local function that will update the button label whenever the locale changes
var localeChangeHandler:Function =
function (e:Event):void
newTab.label = resourceManager.getString('Strings', resourceName);
resourceManager.addEventListener("change", localeChangeHandler); -
Update Indicator label during Run time
Hi all,
This is the situation, i have an Indicator to display Acceleration, Velocity & Displacement. I am using it a local variable in the 2 case structures.
Here is what i want to achieve:
I want to update the Indicator label for the respective Radio Button control. If the click on Acceration button, the label should be updated to Acceleration during Run time. Correspondingly for Velocity and Displacement button.
Can anyone help me how to go about this.
Excuse me if i am not clear about anything.
Thanks in advanceGenerally you should not change the label of a control, because this is often how the control is referred to from elsewhere in the program and it causes confusion.
Instead there is a Caption property. If you right click the control and select Visible Items->Caption, the label is hidden and the caption is displayed instead (with the same text).
In your block diagram, right click on the chart terminal and select Create->Property Node->Caption->Text. This creates a property node for the caption property. You will need to click on it to change it to 'Write' rather than 'Read' - you can then wire whatever text string you like and it will update on the front panel. -
Opening successive scripts doesn't update tab label
If you open different scripts, one after the other, using Ctrl+O, the label on the tab doesn't update., e.g.
* Ctrl+O and select file1.sql
(tab on worksheet says "file1.sql")
* Ctrl+O and select file2.sql
(tab on worksheet STILL says "file1.sql")
* Ctrl+O and select file3.sql
(tab on worksheet NOW says "file2.sql")
.. it's always one label behind.
v 1.1.3.2766I find that Ctrl-O doesn't work at all.
You can open the first script with ctrl-o, but subsequent attempts don't even open a file. Both tab and file contents remain the same. It also doesn't seem to remember the last directory used,
COntrast with using the Open button on the toolbar. This opens each new script in a new tab - which is the intended behaviour.
Clean 1.1.3 install on Windowws XP pro. -
Firefox will not update plugins labeled in red as "potentially vulnerable plugins". Need help.
Firefox will not update three plugins appearing below the
statement in red : " vulnerable plugins". I tried three times, and
all I got was other pages with lots of ads. I need help. Thanks.Some plugins may need to be removed using the Control Panel, or Windows Explorer, because they are managed by other software or dropped in nonstandard folders. Can you list the three plugins so people can give specific advice on them?
For the RealPlayer Browser Record Plugin you might need to update RealPlayer or use its options dialog to turn off the recording/downloading feature in order to remove this one. -
How to update enum labels when enum is inside an array of clusters?
Hello LabVIEW gurus,
I'm stuck with a design aspect, and was wondering if you could share some ideas as to how to get past it: I would like to fill a table with strings, and then populate an enum inside an array with the string values.
For purposes of discussion I'll break the steps into two actions, where one takes place before the second (sequential, not in parallel)
Action one - The user will be first asked to populate a table with "strings". The table would look like,
row0 - "string0"
row1 - "string1"
row2 - "string2"
and so on....
Action two - When ever the user "selects action two" I would like to populate an ENUM inside a cluster with values from "Action one". In other words, I'm trying to dynamically write enum values.
The cluster has several objects such as boolean controls, string controls, AND AN ENUM control (see attached .png)
I have tried using Ring, and enums at this point, and have not been successful at it. I read somewhere that because the enum/ring is inside a cluster, and the cluster inside an array, that what I'm trying to do is simply not possible. If that's the case, can you please throw ideas my ideas my way? :-)
In advance, thank you very much.
Cheers,
Is this in the full development environment? Is the cluster (that I assume is a type def) reserved for running at the time? Because what you described is totally do able IF you are not in an EXE, and this is intended for making an enum to be used elsewhere. Otherwise this won't work the way you want. An enum must have it's type defined at run time. Through scripting you can make the cluster or the enum, or edit ones that already exists (or use one as a template) but as soon as you are in an EXE you have no scripting, and even if you did your code can't compile, so you can't use the new controls even if you could make them.
But if you are looking for a way for a user to enter strings into a table, and then update a drop down with those options that is possible using the combo box which keeps track of the string selected, or a ring control which keeps track of the index (or value) associated with the selected item.
You gave lots of information, but not the important bits like how this will be used. -
JOptionPane update fields/labels.. + JComboBox.getItem()
Hi,
my program won't jump in the if lus when the selected item is "Nieuwe speler"... JComboBox.getItem()
Also my JOptionPane won't update, the fields remain visible,...
How do i update my JOptionPane, repainting and revalidating the
JPanel doesn't work :(
iHandler = new ItemEventHandler();
panel = new JPanel(new GridLayout(0,2));
private class ItemEventHandler implements ItemListener
public void itemStateChanged( ItemEvent e ) {
// System.out.println(e.getItemSelectable().toString());
// System.out.println(e.getItem().toString());
// System.out.println(Integer.toString(e.getStateChange()));
System.out.println(e.getItem().toString());
if ( ( e.getItemSelectable() ).toString() == "cboSpeler" )
{ //System.out.println(e.getItem().toString());
if (e.getItem().toString().equals("Nieuwe speler") )
{ //System.out.println(e.getItem().toString());
txtSpelerNieuw.setEditable(true);
lblLoginDialog4.setVisible(true);
txtPass2.setVisible(true);
txtPass2.setText("");
txtPass1.setText("");
txtSpelerNieuw.setText("");
txtSpelerNieuw.requestFocus();
else
{ System.out.println(e.getItem().toString());
txtPass1.setText("");
txtSpelerNieuw.setText(e.getItem().toString());
txtSpelerNieuw.setEditable(false);
lblLoginDialog4.setVisible(false);
txtPass2.setVisible(false);
panel.revalidate();
panel.repaint();
private class ActionEventHandler implements ActionListener
public void actionPerformed( ActionEvent event )
if (event.getSource() == btnNieuwSpel)
btnNieuwSpel.setEnabled(false);
if (! dbBewerking.dbgetSpelers().isEmpty() )
{ cboSpeler = new JComboBox( dbBewerking.dbgetSpelers() );
cboSpeler.addItemListener( iHandler );
cboSpeler.insertItemAt( "Nieuwe speler", 0 );
cboSpeler.setSelectedIndex(0);
panel.add(lblLoginDialog1);
panel.add(cboSpeler);
panel.add(lblLoginDialog2);
panel.add(txtSpelerNieuw);
panel.add(lblLoginDialog3);
panel.add(txtPass1);
panel.add(lblLoginDialog4);
panel.add(txtPass2);
JOptionPane.showMessageDialog (null, panel, "login",JOptionPane.QUESTION_MESSAGE);
Thanks in advance
dBaser.Do I need to use JDialog maybe?
Can someone please help me out.. -
What Exactly Is Happening During the 2?21/2014 Azure Update
Can anyone tell me what will happen during the upcoming maintenance window on 2/21/14 for the Azure environment?
hi,
What is your meaning?
Did you want to know maintenance scheduled? I suggest you could note the azure team blog via this link (
http://blogs.msdn.com/b/windowsazure/ )
and pay attention to the azure dashboard form
http://www.microsoft.com/windowsazure/status/ .
Regards,
Will
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey. -
Update Jcombobox 's label in render
hi ,everybody, i have a problem about combobox, any body can help me!
thank you!
I want to have a combobox with checkbox as item, I rewrite a render writen by ice, because the combobox has three state, when I click diferent checkbox in this combobox , the label of combobox will update rightly, but if I click one checkbox to change the checkbox state ,the label will no update , it seem that when I click one checkbox many times .the menthod
getListCellRendererComponent(JList list, Object value, int index,
boolean isSelected, boolean cellHasFocus)
will no update label
my code :
mainclass:
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import java.util.Vector;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.plaf.basic.BasicComboBoxEditor;
public class mainclass {
public static void main(String[] args) {
final testbox myComboBox = new testbox();
myComboBox.addItem("SelectAll");
myComboBox.addItem("ClearAll");
myComboBox.addItem("GrayedAll");
for(int i = 0; i < 5; i++) {
myComboBox.addItem("Item " + i);
JFrame frame = new JFrame("My ComboBox");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setSize(150, 60);
frame.setLocation(300, 300);
//frame.setJMenuBar( menubar );
JPanel panel=new JPanel();
panel.setLayout(new BorderLayout());
panel.add(myComboBox,BorderLayout.NORTH);
frame.getContentPane().add(panel);
frame.setVisible(true);
final IconedCellRendererField renderer = IconedCellRendererField.getCheckBoxRendererInstance();
myComboBox.setRenderer(renderer);
myComboBox.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
if(myComboBox.getSelectedItem().toString().equals("SelectAll")){
renderer.selectAll(true);
if(myComboBox.getSelectedItem().toString().equals("ClearAll")){
renderer.clearAll(true);
if(myComboBox.getSelectedItem().toString().equals("GrayedAll")){
renderer.grayedAll(true);
}renderer:
import java.awt.*;
import java.awt.event.*;
//import java.io.*;
//import java.net.*;
import java.util.*;
import javax.swing.*;
//import javax.swing.event.*;
import javax.swing.border.*;
//import javax.swing.table.*;
public class IconedCellRendererField extends DefaultListCellRenderer implements MouseListener {
public Icon icon, selIcon;
Icon[] icons = null;
public boolean useIconBackground = true, useIndexSensitiveIcons = false,
useCheckBoxAsIcon = false, useLinkState = false;
Dimension labelDim = null;
public JLabel iconLabel;
public JCheckBox box = null;
public JPanel noback;
public SelectionStateHandler selStateHandler = null;
private JList theList = null;
public boolean[] selState = null, enableState = null;
int offset = 5;
Rectangle rect = null;
int currentLinkRow = -1;
boolean isOnRow = false, paintDivider = false;
private Icon dividerImage = null;
private Color linkColor = Color.blue, hoverColor = Color.red, selectedLinkColor = Color.green;
/* Initialises the renderer with one icon that is displayed without the
* cell background.
public IconedCellRendererField(Icon icon) {
this(icon,false);
/* Initialises the renderer with two icons that provide a switch capability
* when a row is selected/deselected
public IconedCellRendererField(Icon icon, Icon selIcon) {
this.icon = icon;
this.selIcon = selIcon;
//addMouseListener(this);
/* Initialises the renderer with two icons that provide a switch capability
* when a row is selected/deselected. The boolean argument enables the icon
* to either use the renderer background or appear transparent.
public IconedCellRendererField(Icon icon, Icon selIcon, boolean useIconBackground) {
this(icon, selIcon);
setIconHasBackground(useIconBackground);
createNoBackgroundPanel();
/* Initialises the renderer with a single no siwthing icon. The boolean
* argument enables the icon to either use the renderer background
* or appear transparent.
public IconedCellRendererField(Icon icon, boolean useIconBackground) {
this(icon, icon, useIconBackground);
/* Initialises the renderer to load two icons from the provided image locations.
* This enables icon switching on selection.
public IconedCellRendererField(String iconLoc, String selIconLoc) {
icon = new ImageIcon(iconLoc);
selIcon = new ImageIcon(selIconLoc);
//addMouseListener(this);
/* Initialises the renderer to load a single icon from the provided image location.
* The icon can either have the renderer background or not based on the
* boolean property.
public IconedCellRendererField(String iconLoc, boolean iconBackground) {
this(iconLoc, iconLoc, iconBackground);
/* Initialises the renderer to load two icons from the provided image locations.
* This enables icon switching on selection. The icon can either have the renderer
* background or not based on the boolean property.
public IconedCellRendererField(String iconLoc, String selIconLoc, boolean iconBackground) {
this(iconLoc, selIconLoc);
setIconHasBackground(iconBackground);
createNoBackgroundPanel();
/* Initialises the renderer to load a single icon from the provided image location.
public IconedCellRendererField(String iconLoc) {
this(iconLoc, true);
/* Initialises the renderer with an array of image icons that are repeated for
* each row in the list.
public IconedCellRendererField(Icon[] icons, boolean useIconBackground) {
this(icons[0], icons[0], useIconBackground);
public void createNoBackgroundPanel() {
iconLabel = new JLabel((Icon)null, JLabel.CENTER);
if(labelDim != null) { iconLabel.setPreferredSize(labelDim); }
iconLabel.setBorder( new EmptyBorder(1,5,1,5) );
noback = new JPanel( new BorderLayout() ) {
* Overridden for performance reasons.
* See the <a href="#override">Implementation Note</a>
* for more information.
//public void validate() {}
// public void invalidate() {}
public void repaint() {}
//public void revalidate() {}
public void repaint(long tm, int x, int y, int width, int height) {}
public void repaint(Rectangle r) {}
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
// Strings get interned...
if (propertyName == "text"
|| ((propertyName == "font" || propertyName == "foreground")
&& oldValue != newValue)) {
super.firePropertyChange(propertyName, oldValue, newValue);
public void firePropertyChange(String propertyName, byte oldValue, byte newValue) {}
public void firePropertyChange(String propertyName, char oldValue, char newValue) {}
public void firePropertyChange(String propertyName, short oldValue, short newValue) {}
public void firePropertyChange(String propertyName, int oldValue, int newValue) {}
public void firePropertyChange(String propertyName, long oldValue, long newValue) {}
public void firePropertyChange(String propertyName, float oldValue, float newValue) {}
public void firePropertyChange(String propertyName, double oldValue, double newValue) {}
public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {}
if(useCheckBoxAsIcon()) {
box = new JCheckBox();
//box.addMouseListener(this);
box.setOpaque(false);
noback.add( box, BorderLayout.WEST );
//noback.addMouseListener(this);
rect = box.getBounds();
//list.addMouseListener(this);
} else {
noback.add( iconLabel, BorderLayout.WEST );
noback.add( this, BorderLayout.CENTER );
noback.setBorder( new EmptyBorder(1,1,1,1) );
noback.setOpaque(false);
public Component getListCellRendererComponent(JList list, Object value, int index,
boolean isSelected, boolean cellHasFocus) {
System.out.println(value+"+"+index+"+"+isSelected+"+"+cellHasFocus);
if(theList == null || theList != list) {
theList = list;
if(useLinkState) {
attachLinkSimulationListener();
setOpaque(true);
setText( value == null ? "" : value.toString());
if(useIndexSensitiveIcons) {
icon = getIcon(index);
if(useIconBackground)
setIcon(icon);
setFont( list.getFont() );
setToolTipText(value.toString() );
if(list.isEnabled())
setEnabled( isEnabled(index) );
else
setEnabled( list.isEnabled() );
if(isSelected && isEnabled(index) ) {
setForeground( Color.black );
setBackground( new Color(223, 235, 245) );
if(useIndexSensitiveIcons) {
selIcon = getIcon(index);
if(useIconBackground)
setIcon(selIcon);
} else {
setForeground(Color.black);
setBackground(Color.white);
setBorder(null);
if(cellHasFocus) {
setBorder( new CompoundBorder( new LineBorder( new Color(150, 150, 220) ),
new EmptyBorder(2,2,2,2) ) );
} else {
setBorder( new EmptyBorder(2,2,2,2));
if(useLinkState) {
if(currentLinkRow == index) {
setText("<html><u>" + value.toString()+"</u></html>" );
setForeground( getHoverLinkColor() );
} else {
setForeground( getLinkColor() );
if(isSelected) {
setForeground( getSelectedLinkColor() );
setBackground(Color.white);
setBorder( new EmptyBorder(1,1,1,1) );
if( shdPaintDivider() ) {
Border border = null;
if(dividerImage != null) {
border = new MatteBorder(0,0,1,0, dividerImage);
} else {
border = new MatteBorder(0,0,1,0, getLinkColor() );
if(index < theList.getModel().getSize() - 1 ) {
setBorder( new CompoundBorder(getBorder(),border) );
} else {
setBorder( new EmptyBorder(1,1,1,1) );
if(useIconBackground == false) {
if(isSelected)
iconLabel.setIcon(selIcon);
else
iconLabel.setIcon(icon);
if(useCheckBoxAsIcon()) {
if(selState == null) {
updateSelectionStateTrackers(list);
if(selStateHandler == null) {
list.addMouseListener( selStateHandler = new SelectionStateHandler(list) );
try {
box.setSelected( selState[index] );
} catch(Exception e) {}
if( shdPaintDivider() ) {
//if(index < theList.getModel().getSize() - 1 ) {
noback.setBorder( getBorder() );
setBorder( new EmptyBorder(1,1,1,1) );
//} else {
// noback.get
// this should cause a JComboBox to paint the Label instead of the
// check box + label combination
if(index == -1) {
Vector<Object> v=new Vector<Object>();
v=getSelectedObjects();
String val=generateString();
JLabel label=new JLabel(val);
if(iconLabel.getIcon() != null) {
label.setIcon( iconLabel.getIcon() );
System.out.println("label");
return label;
return noback;
return this;
public String generateString()
String val = "";
if(selState[0]==true&&selState[1]==false&&selState[2]==false){
for(int i = 3; i < theList.getModel().getSize(); i++) {
String curString=theList.getModel().getElementAt(i).toString();
if(val.length()==0){
val=val+curString+"-1";
} else {
val=val+"&"+curString+"-1";
//clear all
if(selState[1]==true&&selState[0]==false&&selState[2]==false ){
for(int i = 3; i < theList.getModel().getSize(); i++) {
String curString=theList.getModel().getElementAt(i).toString();
if(val.length()==0){
val=val+curString+"-0";
} else {
val=val+"&"+curString+"-0";
//grayedall
if(selState[2]==true&&selState[0]==false&&selState[1]==false ){
val="";
if(selState[0]==false&&selState[1]==false&&selState[2]==false ){
for(int i = 3; i < theList.getModel().getSize(); i++) {
String curString=theList.getModel().getElementAt(i).toString();
if(selState==true&&enableState[i]==false){
continue;
if(selState[i]==true&&enableState[i]==true){
if(val.length()==0){
val=val+curString+"-1";
} else {
val=val+"&"+curString+"-1";
if(selState[i]==false&&enableState[i]==true){
if(val.length()==0){
val=val+curString+"-0";
} else {
val=val+"&"+curString+"-0";
return val;
public void updateSelectionStateTrackers(JList list) {
selState = new boolean[ list.getModel().getSize() ];
enableState = new boolean[ list.getModel().getSize() ];
for(int i = 0; i < selState.length; i++) {
selState[i] = false;
enableState[i] = true;
public int[] getSelectedIndices() {
if(!useCheckBoxAsIcon()) {
return new int[0];
int length = 0;
if(selState==null){
return null;
for(int i = 0; i < selState.length; i++) {
if(selState[i]) {
length++;
int[] indices = new int[length];
for(int i = 0, n = 0; i < selState.length; i++) {
if(selState[i]) {
indices[n++] = i;
//System.out.println("Selected Indices.length = " + indices.length);
return indices;
public Vector<Object> getSelectedObjects() {
int[] indices = getSelectedIndices();
Vector<Object> objects = new Vector<Object>();
if(indices==null){
return null;
for(int i = 0; i < indices.length; i++) {
objects.addElement( theList.getModel().getElementAt(indices[i]) );
return objects;
public void setIconHasBackground(boolean b) {
useIconBackground = b;
public Icon[] getIcons() {
return icons;
public Icon getIcon(int index) {
if(icons != null && icons.length == 0) {
return icon;
if(icons != null && index > icons.length) {
index = index - (icons.length - 1);
return icons[index];
public void setIcons(Icon[] icons) {
if(icons != null) {
useIndexSensitiveIcons = true;
this.icons = icons;
public void setIcon(Icon icon, int index) {
if(icons != null && icons.length > 0) {
icons[index] = icon;
public void setIconLabelDimension(Dimension dim) {
labelDim = dim;
public static IconedCellRendererField getCheckBoxRendererInstance() {
IconedCellRendererField cr = new IconedCellRendererField(new EmptyIcon());
cr.setUseCheckBoxAsIcon(true);
return cr;
public void setUseCheckBoxAsIcon(boolean use) {
useCheckBoxAsIcon = use;
createNoBackgroundPanel();
public boolean useCheckBoxAsIcon() {
return useCheckBoxAsIcon;
public void paintComponent(Graphics g) {
super.paintComponent(g);
public void setDisplayItemsAsLinks(boolean use) {
useLinkState = use;
public void setLinkColor(Color color) {
linkColor = color;
if(theList != null) {
theList.repaint();
public Color getLinkColor() {
return linkColor;
public void setHoverLinkColor(Color color) {
hoverColor = color;
if(theList != null) {
theList.repaint();
public Color getHoverLinkColor() {
return hoverColor;
public void setSelectedLinkColor(Color color) {
selectedLinkColor = color;
if(theList != null) {
theList.repaint();
public Color getSelectedLinkColor() {
return selectedLinkColor;
public void attachLinkSimulationListener() {
theList.setCursor( Cursor.getPredefinedCursor(Cursor.HAND_CURSOR) );
theList.addMouseListener( new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
isOnRow = true;
public void mouseExited(MouseEvent e) {
isOnRow = false;
currentLinkRow = -1;
theList.repaint();
theList.addMouseMotionListener( new MouseMotionAdapter() {
public void mouseMoved(MouseEvent e) {
isOnRow = true;
currentLinkRow = theList.locationToIndex( e.getPoint() );
theList.repaint();
/*table.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
public void mouseExited(MouseEvent e) {
isOnRow = false;
currentHighlightRow = -1;
table.repaint();
table.addMouseMotionListener( new MouseMotionAdapter() {
public void mouseMoved(MouseEvent e) {
isOnRow = true;
currentHighlightRow = table.rowAtPoint( e.getPoint() );
table.repaint();
public boolean shdPaintDivider() {
return paintDivider;
public void setPaintDivider(boolean paintDivider) {
this.paintDivider = paintDivider;
public void setDividerImage(Icon icon) {
this.dividerImage = icon;
setPaintDivider(true);
private void dispatchEvent(MouseEvent me) {
if(rect != null && box != null && rect.contains(me.getX(), me.getY())){
Point pt = me.getPoint();
pt.translate(0,0);
box.setBounds(rect);
box.dispatchEvent(new MouseEvent(box, me.getID()
, me.getWhen(), me.getModifiers()
, pt.x, pt.y, me.getClickCount()
, me.isPopupTrigger(), me.getButton()));
if(!box.isValid()) {
repaint();
System.out.println("Dispatch Event: Box.invalid called");
System.out.println("Dispatch Event called");
} else {
System.out.println("Dispatch Event Called, rect null");
public void mouseClicked(MouseEvent me){
dispatchEvent(me);
public void mouseEntered(MouseEvent me){
dispatchEvent(me);
public void mouseExited(MouseEvent me){
dispatchEvent(me);
public void mousePressed(MouseEvent me){
dispatchEvent(me);
public void mouseReleased(MouseEvent me){
dispatchEvent(me);
public class SelectionStateHandler extends MouseAdapter {
JList list = null;
public SelectionStateHandler(JList list) {
this.list = list;
public void mouseClicked(MouseEvent e)
* Handles the checkbox selection process. Uses the bounds property of the
* check box within the selected cell to determine whether the checkbox should
* be selected or not
public void mouseReleased(MouseEvent e) {
/*if(list == null || list.getSelectedIndex() == -1
|| !isEnabled( list.locationToIndex(e.getPoint()) ) ) {
return;
if(list == null || list.getSelectedIndex() == -1){
return;
int[] indices = list.getSelectedIndices();
// get the current relative position of the check box
//rect = box.getBounds(rect);
for(int i = 0; i < indices.length; i++) {
// get the current relative position of the check box
int loc = list.locationToIndex( e.getPoint() );
rect = list.getCellBounds(loc,loc);
// ensure the point clicked in within the checkBox
if(e.getX() < (rect.getX() + 20) ) {
Object obj=list.getModel().getElementAt(i);
//if(!obj.equals("SelectAll")&&!obj.equals("ClearAll")&&!obj.equals("GrayedAll")){
if(indices[i]>2){
selState[0]=false;
selState[1]=false;
selState[2]=false;
//����
if(!this.isEnabled(indices[i])&&selState[indices[i]]==true){
this.setEnabled(indices[i],true);
selState[indices[i]]=false;
} else if(this.isEnabled(indices[i])&&selState[indices[i]]==true){
//����
selState[indices[i]]=true;
this.setEnabled(indices[i],false);
}else if(this.isEnabled(indices[i])&&selState[indices[i]]==false){
//����
selState[indices[i]]=true;
this.setEnabled(indices[i],true);
} else {
selState[indices[i]] = !selState[indices[i]];
list.revalidate();
list.repaint();
public void selectAll(boolean b) {
for(int i = 0; i < list.getModel().getSize(); i++) {
try {
this.enableAll(true);
Object obj=list.getModel().getElementAt(i);
if(!obj.equals("ClearAll")&&!obj.equals("GrayedAll")){
selState[i] = b;
} else{
selState[i]=!b;
selState[0]=false;
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
selectAll(b);
return;
if(list != null) {
list.revalidate();
list.repaint();
public void clearAll(boolean b){
for(int i = 0; i < list.getModel().getSize(); i++) {
try {
Object obj=list.getModel().getElementAt(i);
this.enableAll(true);
if(!obj.equals("ClearAll")){
selState[i] = !b;
} else{
selState[i]=b;
selState[1]=false;
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
selectAll(b);
return;
if(list != null) {
list.revalidate();
list.repaint();
public void grayedAll(boolean b){
for(int i = 0; i < list.getModel().getSize(); i++) {
try {
Object obj=list.getModel().getElementAt(i);
if(!obj.equals("SelectAll")&&!obj.equals("ClearAll")){
if(i==2){
selState[i] = !b;
}else{
selState[i] = b;
this.setEnabled(i,false);
} else{
selState[i]=!b;
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
selectAll(b);
return;
if(list != null) {
list.revalidate();
list.repaint();
public void setSelectedIndex(int index) {
for(int i = 0; i < list.getModel().getSize(); i++) {
selState[i] = false;
selectIndex(index);
public void selectIndex(int index) {
try {
selState[index] = true;
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
selectIndex(index);
return;
if(list != null) {
list.revalidate();
list.repaint();
public void setEnabled(int index, boolean b) {
try {
enableState[index] = b;
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
setEnabled(index, b);
public boolean isEnabled(int index) {
if(index == -1) {
return true;
boolean isEnabled = true;
try {
isEnabled = enableState[index];
} catch(ArrayIndexOutOfBoundsException aie) {
updateSelectionStateTrackers(list);
return isEnabled(index);
return isEnabled;
public void enableAll(boolean b) {
for(int i = 0; i < enableState.length; i++) {
enableState[i] = b;
public void selectAll(boolean b) {
if(selStateHandler == null) {
return;
selStateHandler.selectAll(b);
public void clearAll(boolean b){
if(selStateHandler == null) {
return;
selStateHandler.clearAll(b);
public void grayedAll(boolean b){
if(selStateHandler == null) {
return;
selStateHandler.grayedAll(b);
public void setSelectedIndex(int index) {
if(selStateHandler == null) {
return;
selStateHandler.setSelectedIndex(index);
public void selectIndex(int index) {
if(selStateHandler == null) {
return;
selStateHandler.selectIndex(index);
public void enableAll(boolean b) {
if(selStateHandler == null) {
return;
selStateHandler.enableAll(b);
public void setEnabled(int index, boolean enable) {
if(selStateHandler == null) {
return;
selStateHandler.setEnabled(index, enable);
public boolean isEnabled(int index) {
if(selStateHandler == null) {
return true;
return selStateHandler.isEnabled(index);
public boolean isEnabledAll() {
if(enableState == null) return true;
for(int i = 0; i < enableState.length; i++) {
if(!isEnabled(i)) {
return false;
return true;
// EmptyIcon implementation
public static class EmptyIcon implements Icon {
int width = 16, height = 16;
public EmptyIcon() {
setSize(16,16);
public EmptyIcon(int width, int height) {
setSize(width, height);
public void setSize(int width, int height) {
this.width = width;
this.height = height;
public int getIconWidth() { return width; }
public int getIconHeight() { return height; }
public void paintIcon(Component c, Graphics g, int x, int y) {}
public int getItemCount(){
if(theList!=null){
return theList.getModel().getSize();
} else {
return 0;
public boolean[] getEnableState() {
return enableState;
public boolean[] getSelState() {
return selState;
public JList getTheList() {
return theList;
testbox :import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JComboBox;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
public class testbox extends JComboBox
* @param args
JComboBox myComboBox;
public testbox()
myComboBox = new JComboBox();
public void setPopupVisible(boolean b)
if(b)
myComboBox.showPopup();
You are updating the label value when (index == -1), let change into (index<=0).
like below
// this should cause a JComboBox to paint the Label instead of the
// check box + label combination
if (index <= 0) {
Vector v = new Vector();
v = getSelectedObjects();
String val = generateString();
JLabel label = new JLabel(val);
if (iconLabel.getIcon() != null) {
label.setIcon(iconLabel.getIcon());
System.out.println("label");
return label;
}
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