Changing images based on keys pressed

Ok, I'm trying to make my character face a different direction when a key is pressed (when left is pressed, he faces left, when right is pressed, he is facing right). Right now I am going to load all the images into an array and then tell it which one to paint based on the key pressed. Anything faster or better?
Thanks!
-Brian

Hmmm, javax. The javax packages usually accompany
pain and torture... eerrrr, swing. I detest swing. I
will use this for now, but do you know of any other
ways to do this? Or is this not related to swing?The javax package contains alot more than Swing.
Saying all javax packages are painful to use, simply because you don't like swing is silly.
As for answering your question. Try re-reading the post by KarateMarc.
You can either use MediaTracker (horrible, but it will let you know when the image is loaded) or ImageIO to properly load your images.

Similar Messages

How to change images based on action.Even clicking changed images should ?

how to change images based on action.
Even clicking changed images should do respective actions.
and while displaying only one image at a time sholud get displayed.
I am using three images for a single column of a table in Jsp.
Any clues.
Any link for any good javascript html jsp site where i can find some good solution.
vijendra

In broad way if i say i have multiple situations in mutiple tables where i need such a logic to operate in for all tables.
lets say in first time load of page by default one image will be displayed (one with sorted order for first column rest all non sorted)Now after every click to any image respective sort should get called.along with all images should get changed.Here with every function one/two images will get effect at least.
As in first if i say sort by desc then this image will change rest all will remain in unsort form.
when i move to other column and click on new image the previos will convert to unsort and new one will convert to sort by ascending. rest all will be in unsort form as it is.
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even for everyaction different parametrs has to be passed at differnt situations.
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I will be very greatful for him.
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Change Image based on dashboard prompt

Hello
Im using OBIEE 11G 11.1.1.5
I need to show on a dashboard, the logo (Image) of the company selected on a dashboard prompt. I have 5 companies and each has its own logo. Only one company can be selected.
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Edited by: Andres on 16-ene-2012 12:52

Hi Andres,
We can make use of the 'Conditional display of sections in dashboard based on analysis results'. One option certainly is to write different analysis (narrative view or static text) with your company logs and embedding them in different sections of their corresponding reports in dashboards. These sections need to be conditionally displayed based on the dashboard prompt chosen. You can create analysis, each to read the presentation variable (associated with the prompt) and display a record only if a particular company is chosen. (Ex: Create an analysis with one column as @{variables.CompanyPrompt}. Create a filter on it like 'is equal to 'Oracle'. So this analysis, would display a record only if the presentation variable has the value 'Oracle').
I would keep you posted if I hit at any other much efficient way.
Hope this helps.
Thank you,
Dhar

How to change a h:outputText value in the current form on key pressed event

Hello Suners,
Greetings! I'm developing my first JSF web application and i'm trying to figure a way out to change outputText value when key pressed on another inputText so that when the user is typing his name for example he can see the letters showing respectively in the outputText.
I managed to do it onchange but the user must focus out of the inputText to see his name in the outputText which is not right and the form must submit onchange event which is annoying.
<h:inputText value="#{login.username}" title="name" id="name" required="true" onchange="this.form.submit()" >
                            <f:validateLength maximum="10" minimum="1"/>
                            <f:validator validatorId="myValidator"/>
                            <f:valueChangeListener type="classes.MyListener"/>
</h:inputText>Is there any listener i can associate with the "onkeypress" attribute? Can anyone help me to do that with JSF?
King Regards,

hi, with JSF 2 you got the ajax tag, just tried it and it works fine :)
<h:inputText id="myinput" value="#{back.name}">
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</h:inputText>
<h:outputText id="outtext" value="#{back.name}"/>or before JSF 2
<h:outputScript name="jsf.js" library="javax.faces" target="head"/>
<h:inputText id="myinput" value="#{back.name}" onkeyup="jsf.ajax.request(this, event, {render: 'outtext'}); return false;"/>
<h:outputText id="outtext" value="#{back.name}"/>The name property is a simple String in the bean.
Hope this helps
Edited by: hereps on Aug 21, 2010 7:18 AM

Using InputMap and ActionMap to detect any key pressed...plz help

Hi,
I am quite new to Java. I have a tiny problem. I wanna put an actionlistener into a JTextField, so it printout something whenever a key is pressed (when the textField is selected).
I can only get it to print if I assign a specific key to pressed...example below (works):
JTextField searchBox = new JTextField();
InputMap imap = searchBox.getInputMap();
ActionMap amap = searchBox.getActionMap();
imap.put(KeyStroke.getKeyStroke(KeyEvent.VK_A, 0), "pressed");
amap.put("pressed", new AbstractAction() {
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               System.out.println("TYPEEEEEEEEEEEEEEE");
HOWEVER, when i change keystroke to any key pressed, it doesn't work. Example below(doesn't work):
JTextField searchBox = new JTextField();
InputMap imap = searchBox.getInputMap();
ActionMap amap = searchBox.getActionMap();
imap.put(KeyStroke.getKeyStroke(KeyEvent.KEY_PRESSED, 0), "pressed");
amap.put("pressed", new AbstractAction() {
          public void actionPerformed(ActionEvent e) {
               System.out.println("TYPEEEEEEEEEEEEEEE");
Somebody plz helps me. I am really confused how to use KeyEvent.KEY_PRESSED. I thought it would work the same way as KeyEvent.VK_A...if i can't use KEY_PRESSED for that purpose, what KeyEvent do I use?
Thank you very much in advance.

Sounds like you want a KeyListener.
textField.addKeyListener(new KeyListener() {
    public void keyTyped(KeyEvent e) {
        System.out.println("Key typed.");
    public void keyPressed(KeyEvent e) {
        System.out.println("Key pressed.");
    public void keyReleased(KeyEvent e) {
        System.out.println("Key released.");
});See the API documentation for more information.

Change Applescript Actions Based On Key?

I'm writing an Applescript, and distributing it to many different people. What I want it to do is go through the actions normally, but if the "C" key is held down, it goes to the config window. I'm running Mac Os 10.7.5, normal Applescript. What I have so far is:
tell application "System Events"
                    try
                              if keystroke "C" is down then
                                        beep 5
                              end if
                    on error
                    end try
          end tell
It compiles and runs, but doesn't react when I press the "C" key, even when I set it to endlessly repeat. Is there a working version of this?

The System Events keystroke command is for sending keystrokes, not receiving or looking for key presses. Regular AppleScript is not really designed for things like this, so you will need to use other tools. There is a shell script to check for modifier keys (for example, look for the option key instead of the C key) - take a look at this MacScripter post.

How to trigger change documents based on inbound-idoc?

Hi experts,
Currently I'm working in on a project where I have to create an interface based on IDOCS. This is an interface for two SAP-HR systems.
If there are made changes in the dialog (gui) by a user, there will be created a change document, which can be displayed by report RPUAUD00. For the inbound-interface based on idocs it's important that there will also be created a change document in the system based on this idoc. We have tested this, but no change document is created.
Can anybody help me to solve this problem: "How to create a change document based on the inbound-idoc?"
Thanks in advance.
With kind regards,
Roy

Thanks for responding. First, I like the idea of defining an event, but I'm still stuck with how to trigger it. I looked at dynamically registering events, and maybe doing something where a click on the graph control registers an event for key presses on the vi. I'd still have to figure out out to terminate the key press event. Unfortunately, (actually it's a feature I like..) there are a number of different ways to complete typing in a scale change. I routinely use ctr-enter (habit from working on a laptop), though enter works fine, and clicking somewhere else is probably the most common method. I am not that familar with User Defined Events, so I may be overlooking something obvious here.
The graphs are a Bode Plot, with a seperate graph for RPM vs Phase Lag, and RPM vs Magnitude. I want them to always be plotted on the same x-axis. The plot is generated when the user doubleclicks on a dataset. After that, it's just the user looking at it. They can change the axis without any new data being generated.
Thanks,
Chris

ActiveX is stealing my key presses?

Hi all,
I have a fairly simple front panel with a handful of LabVIEW controls and an ActiveX container. In the ActiveX container is the Adobe Reader plugin.
My vi works, but exhibits an odd behaviour that I presume is focus related. Once the ActiveX control is programmatically told to open and display a pdf file, it seems to steal the focus - permanently. If I select my LV string control, I can select any text in it, but key presses are all still sent to the Adobe Reader ActiveX control. If I click a few check boxes, then the string control again, it still doesn't accept my keyboard presses. The only way I've found to stop all this is to press tab, as this causes LabVIEW to move the focus away to the next control in the tab sequence. After that, all is ok until the next pdf file is read into the ActiveX control, and then I'm back at square one.
Now I don't want to be telling my customers, "that's alright mate, just make sure you press the tab key after every pdf you generate and you'll be just fine."
I've tried programmatically moving the focus away from the ActiveX control, and setting "SkipTabbing" to true, but this doesn't work.
Anyone know how I can prevent this darned ActiveX control from permanently stealing my focus?
Thoric (CLA, CLED, CTD and LabVIEW Champion)
Solved!
Go to Solution.

nathand wrote:
Unfortunately I don't have a good solution, but I can sympathize - I've had the same problem.
Hi nathand, thanks for the sympathy
I've tried a few things, including navigating away from and straight back to the tab panel which houses the control to attempt to change the control focus. I've even tried simulating the keyboard TAB key press, which actually works - but only once for some annoyingly unfathomable reason! A second call to the ActiveX AdobeReader control makes it the focus again, but this time permanently. I've even tried putting the ActiveX control into a subvi that's hosted within a subpanel - no difference.
Ultimately, like yourself, I've had to settle for a separate window, which I've called a Preview Window. Of course, putting my large ActiveX container in a separate subvi has left a dirty big empty space on my main vi front panel
I'm tempted to try to hide all borders around the preview window, and programmatically control its location such that it sits perfectly over the empty space within my main front panel. Of course, this means monitoring main panel window resizes and movements to maintain the correct relative locations, but it's do-able...
I've got a new problem now - I thought about using Invoke to Get the Front Panel Image, then place this into a picture control. However, it seems the AdobeReaderActiveX control evades the LabVIEW Front Panel Image method, revealing nothing but the blank front panel colour behind the container. I can't seem to find a way around this either!
Dam dam dam dam dam dam dam dam dam dam dam dam!!!
Thoric (CLA, CLED, CTD and LabVIEW Champion)

Key Press Events

Hi there,
Im relatively new to java and need to implement a program which listens for a key press e.g. say the letter "n" and then performs an action, Is there a simple way to do this?
I've found some stuff on the web about the KeyListener class but i don't understand it very well.
Im wanting a solution which does this in the simplest way possible, any help you can give me would be greatly appreciated.
Cheers

yeh thats probly a good idea lol basically:
I have this system using a virtual reality suite at my university, on the 3 large screens in the suite i have some background images of different environments. The backgrounds are displayed using media player classic, one media player for each screen, left, mid and right. I have a web page which is connected to the media players which when refreshed changes to the next item in the playlist (in the media players) so all 3 players "change scene" at the same time.
Now my java program currently sends a refresh to this web page which in turn changes the background on the 3 screens. at the same time the program uploads an image onto the backgrounds at given co-oardinates. What im wanting next and am struggling with is for the image to be uploaded and the backgrounds to change when i press a key an for this to be repeated everytime i press that same key.
This way i can cycle through all the different backgrounds with a simple keypress.

Amount of key presses a user makes over time - BPM

Hi,
Im working on a small program that needs to get the amount of keypresses a user makes over time.
Basically its for calcuating the BPM a user is inputting. So a uers taps a beat for 5 seconds and the amount of tap is saved and multiplied by 12 to get the Users BPM.
So far i have this:
package Version1;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.*;
public class muTap extends JFrame implements KeyListener, ActionListener {
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            public void run() {
                theGUI();
     * muTap constructor
    public muTap(String name) {
        super(name);
     * theGUI - creates the gui for muTap
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        muTap frame = new muTap("muTap");
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        //Set up the content pane.
        frame.addComponents();
        //Display the window.
        frame.pack();
        frame.setVisible(true);
     * adComponents - adds gui components to muTap
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        JButton button = new JButton("Start");
        button.addActionListener(this);
        display = new JTextArea();
        display.setEditable(false);
        display.addKeyListener(this);
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        scrollPane.setPreferredSize(new Dimension(375, 125));
        getContentPane().add(scrollPane, BorderLayout.PAGE_START);
        getContentPane().add(button, BorderLayout.PAGE_END);
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        //Do Nothing
    /** Handle the key pressed event from the text field. */
    public void keyPressed(KeyEvent e) {
        //TODO call the getBPMfromKboard() method
        taps++;
        System.out.println("Tap: " + taps);
    /** Handle the key released event from the text field. */
    public void keyReleased(KeyEvent e) {
        //Do Nothing
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        //Do Nothing
        //initialCountdown(3, "Start Tapping Fool");
        countDown(3);
     * countDown - a simple countdown timer for use when getting users input.
     * @param time amount of time to count down from
     * @return      true when timer ends.
    public static int taps;
    public void countDown(final int time) {
        taps = 0;
        final Timer timer = new Timer();
        timer.scheduleAtFixedRate(new TimerTask()
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                i--;
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                display.setText(s);
                if (i < 0) {
                    timer.cancel();
                    if(time == 3)
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                        countDown(5);
                    else if(time == 5)
                        display.setText("Number of taps: " + taps);
                        //System.out.print("Number of taps" +taps);
        }, 0, 1000);
}But i get errors when i try running it:
"Exception in thread "Timer-1" java.lang.RuntimeException: Uncompilable source code"
It doesnt seem to like me parsing int to string here:
String s = Integer.parseInt(i); Any ideas? or if youve got suggestions on another way to do it it'd be much appreiated.
Thanks!

Korvanica wrote:
It doesnt seem to like me parsing int to string here:
String s = Integer.parseInt(i);
Yikes, you've got that bit of code backward, there partner.
You use Integer.parseInt to parse a String into an int, not the other way around.
If you want to change an int to a String, do
String s = String.valueOf(i)or you can use the various formatters out there.

FI-CA Open Items based on key date Business Content

Hi,
I am using BI content infocube 0FC_C07 to extract contract account open items data. Our requirement is to do the data load weekly basis based on key date.
I have enhanced the extractor and i can see data for the enhanced fields in RSA3. But now, i am not sure how to load data into BI.
At the infopackage level(PSA level) there are 2 mandatory fields (DateID(LAUFD) and Additional Identification Characteristic(LAUFI)). Do i need to change the date every week manually? I have to create a process chain to automate the dataloads.
Also, i need to use counters for Each unique Contract Account and Contract Account Document .
For the contract Account Document number , i am thinking to us this formula(If contaract document item =1 then document counter =1 otherwise 0). But i am not sure how to count each single contract Account?
Your advise will be appreciated.
Thanks,
Priya

Hi Priya,
Go to InfoPackage selection tab.
Now in the Type select 6 which is for ABAP Routine.
This will open the ABAP Editor.
Write your code there.
Sample code.
data: l_idx like sy-tabix.
DATA : from_date type sy-datum,
       to_date type sy-datum,
       month(2) type n.
read table l_t_range with key
     fieldname = 'IDATU'.
l_idx = sy-tabix.
*if current date is suppose 14th April 2008, then this routine should
*pick values from 1st jan 2008 till
14th April 2008
clear month.
month = sy-datum+4(2).
if month = '01'.
month = '10'.
endif.
if month = '02'.
month = '11'.
endif.
if month = '03'.
month = '12'.
endif.
if month GT '03'.
month = month - 3.
endif.
concatenate sy-datum+0(4) month '01' into to_date.
l_t_range-low = to_date.
l_t_range-high = sy-datum.
l_t_range-sign = 'I'.
l_t_range-option = 'BT'.
modify l_t_range index l_idx.
p_subrc = 0.

How to get the actual key pressed in a UITextField

Hi all , now i develop a program on iphone SDK 3.0 GM.
I have an UITextField (created programmatically) and I have implemented the delegate as well as the UITextFieldTextDidChangeNotification so that I can react to changes in the text values.
However, I specifically want to know when the user presses the backspace key in the UITextField when there is currently no text in the field. I can't find where I can get a specific notification of the actual key pressed, as opposed to the resulting state of the text. I'm sure there is a way to do this...help?

I can imagine why you want to do it. I had the same problem myself and managed to circumvent it in a slightly painful way. What I did was to subclass UITextField to create a text field that always had text in it, even when it "seemed" empty. In fact the first character of the text is a space character, and then what follows is the actual text. In this way, your delegate will always get called about a backspace (when it's an attempt to delete the leading space character, obviously you should return NO in the textField: shouldChangeCharactersInRange: replacementString: method). I won't get into the details of exactly how to set everything up, like I said it is kind of elaborate and I wouldn't really recommend it unless you are desperate to have that kind of functionality.

Changing Images at Runtime...it's sending me nuts (I'm a newbie, go easy)

Hi all,
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import java.awt.*;
import java.awt.event.*;
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JPanel hour11 = new PaintOff(0);
JPanel hour12 = new PaintOff(0);
JPanel hour13 = new PaintBlank();
JPanel hour14 = new PaintBlank();
JPanel hour21 = new PaintOff(0);
JPanel hour22 = new PaintOff(0);
JPanel hour23 = new PaintBlank();
JPanel hour24 = new PaintBlank();
JPanel min11 = new PaintOff(0);
JPanel min12 = new PaintOff(0);
JPanel min13 = new PaintOff(0);
JPanel min14 = new PaintOff(0);
JPanel min21 = new PaintOff(0);
JPanel min22 = new PaintOff(0);
JPanel min23 = new PaintOff(0);
JPanel min24 = new PaintOff(0);
JPanel sec11 = new PaintOff(0);
JPanel sec12 = new PaintOff(0);
JPanel sec13 = new PaintOff(0);
JPanel sec14 = new PaintOff(0);
JPanel sec21 = new PaintOff(0);
JPanel sec22 = new PaintOff(0);
JPanel sec23 = new PaintOff(0);
JPanel sec24 = new PaintOff(0);
JButton changeImg = new JButton("change");
}///---------This is my PaintOff class ---------------\\\
import javax.swing.*;
import java.awt.*;
import java.awt.Image.*;
public class PaintOff extends JPanel {
Toolkit tk = Toolkit.getDefaultToolkit();
public Image imgOff = tk.getImage("off.jpg");
public Image imgOn = tk.getImage("on.jpg");
public Image paintMe = tk.getImage("off.jpg");
     PaintOff(int a) {
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     public void paintComponent(Graphics g) {
          g.drawImage(paintMe,0,0,this);
}PaintBlank class is not included here, it's basically just the same as PaintOff but only has one image inside.
When I try and compile this code, I get
C:\jdk1.4\bin\bclock>javac bc.java
bc.java:79: cannot resolve symbol
symbol : method PaintOff (int)
location: class javax.swing.JPanel
hour11.PaintOff(1);
^
1 error
I don't understand this either, I've tried replacing "PaintOff(1)" with "vOn()" but I get the same error. This is baffling to be, as I thought that the hour11 would have access to all the methods inside the PaintOff class?
Anyway, thanks for any help you guys give me!
Cheers
//Chris.

Hi!
Your problem is that you've used a widening conversion to convert from PaintOff to a JPanel. JPanel has no such method, and so the compiler is complaining that it can't find it.
e.g
public class NoCompile{
     public static void main(String args[]){
          One one = new Two();
          one.methTwo();
public class Two extends One{
     public Two(){}
     public void methTwo(){
        System.out.println("Executed 2");
public class One{
     public One(){}
     public void meth1(){}
} will give you the same sort of error message. To make the compiler happy, use a cast.
Now this will compile and gives the right result.
public class NoCompile{
     public static void main(String args[]){
          One one = new Two();
          ((Two)one).methTwo();
}So in your case, you want to do
((PaintOff)hour11).vOn();
Does that help?
:) jen

Menu Buttons Change Image instead of Highlighting?

Does anyone know how to/or if it's possible to make a DVD menu in Photoshop for Encore where, when the menu button is highlighted it actually changes image instead of making it a solid highlighted colour?
For example...
In a DVD i'm making, I have Cartoon images that are the menu buttons. I would like to make it so that when you select it on your dvd player it makes the eyes open up wider and mouths of the characters open up. I have made the duplicate layers and changed one to have the open eyes and mouth and placed it directly ontop of the other and put both layers in the one group with the (+) to allow Encore to recognize it. But all I get is the top layer of the two turning to a top colour. I know that using prefixes like (=1) makes it highlighted and that is why it's highlighting but I don't know what else to suggest. I've looked at the prefixes on the Encore help on this site and tried to work it out but no luck
I know this is due to my lack of knowledge and really need some help to fix it, or know if it's even possible (I assume tht using such great products as Adobe it will be)
Thanx

Welcome to the forum.
This is easily done by doing dupe Menus for each Button. The Button on the original Menu will be set to Auto-Activate, and be linked to the dupe Menu with the different graphic. I would probably turn OFF Sub-picture Highlights.
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Note: if run on a computer, the user will need to Dbl-click the Button, as Auto-Activate only works seamlessly from a DVD set-top player.
There are several other posts on this forum (a few very recent), where I go into much more detail. Also, Jeff Bellune's excellent book, The Focal Easy Guide to Adobe EncoreDVD 2.0, by Focal Press, has excellent, easy to follow steps for doing this. Though written for EncoreDVD 2.0, 100% of the book will apply to CS3 & CS4.
Good luck,
Hunt

How to listen to key press in JTable

I've been trying to listen to key press in JTable,
However it only works if the cell is double-clicked.
If the tab button is use or the cell is single-clicked, nothing happens to the listener.
Anybody can help me???
Thanks

table.getColumnModel().addColumnModelListener(new TableColumnModelListener(){
public void columnAdded(TableColumnModelEvent e){}
public void columnMarginChanged(ChangeEvent e){}
public void columnMoved(TableColumnModelEvent e){}
public void columnRemoved(TableColumnModelEvent e){}
public void columnSelectionChanged(ListSelectionEvent e){
// column selection changed
table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent event) {
// row selection changed
});rykk

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