Mimicing a keaboard reader in GUI

how would you mimic a KeyboardReader in this situation:
a simple GUI, with a textfield, and a textarea.
on KeyPress(VK_ENTER), it gets the text in the textfield, checks it against a list of commands, and does something, then appends the results to the textarea.
lets say i want to ask the user a question, displayed in the textarea. how do i make it so that the next time (and ONLY the next time) the user presses ENTER, it sets a single variable to whatever is inside the textField?
it seems you cannot call the keypress method right after you append the question to the textarea, and you cant return whatever is inside the textbox as the answer to the question, because it could be outdated text, and i want the user to press enter first.

how would you mimic a KeyboardReader in this
situation:
a simple GUI, with a textfield, and a textarea.
on KeyPress(VK_ENTER), it gets the text in the
textfield, checks it against a list of commands, and
does something, then appends the results to the
textarea.
lets say i want to ask the user a question, displayed
in the textarea. how do i make it so that the next
time (and ONLY the next time) the user presses ENTER,
it sets a single variable to whatever is inside the
textField?
it seems you cannot call the keypress method right
after you append the question to the textarea, and you
cant return whatever is inside the textbox as the
answer to the question, because it could be outdated
text, and i want the user to press enter first.I do hope this makes sense to somebody
(of the bits I can comprehend)]
1. You can add a KeyListener to the TextArea or JTextArea
2. You can add an ActionListener to a TextField or JTextField that will respond to the enter key with actionPerformed()

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Need some OO design pointers for a Java card game I wrote for uni

Hi,
I hope a few of you Java sifus can help me understand I dilemma I keep finding myself in.
I created a card game for a university assignment which works great but its not very OO at the moment.
I only have 3 classes; a Card class, a Deck class and a Game class which contains all my GUI, AI, Game Controller, Player and Hand code.
The assignment is over but I feel like enhancing the game, adding animation, multiplayer, several AI agents etc.
The first thing I have attempted is animation and I've hit a brick wall. I am trying to create animation for my card game whereby I have an animation showing the cards being shuffled and then an animation which shows the cards being dealt to the players. The game then commences. The cards on the GUI then need to be clickable (MouseListeners?) to play the game. If you're running Windows 7, load up 'Hearts' and you'll know what I'm trying to achieve.
I don't understand how the GUI, and Card class need to be seperated so that its good OO.
If I give you a few snippets of code, it might explain the situation:
A snippet of my card class is as follows:
import javax.swing.*;
public class Card extends JLabel //Each card is a JLabel
     private int value;                    //variable for the value of the card
     private int suit;                         //variable for the suit of the card
     private ImageIcon frontOfCard;     //Displays the image of the front of the cards
     private ImageIcon backOfCard;          //displays the image of the back of the cards
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          suit = Suit;
          frontOfCard = front;
          backOfCard = back;
          setIcon(backOfCard);     //To make it non-visible when dealt
     }As you can see, each card is a JPanel. I've been told by some I shouldn't extend JPanel but rather that I should have a BufferedImage/Image instance variable for each card as the image of the card. The thing is that I need each card displayed on the GUI which can then be clickable. When it is clicked, it is moved from the players hand, into the players move. - There needs to be an animation showing this.
I've got the animation code figured out in terms of how to move 'images' around a screen to make a pleasing animation. The problem is there are no clickable listeners for images, so the Images needs to be inside some container; a widget which can fire events - Hence the reason I have chosen to extend JPanel for my Cards.
and a Deck class, snippet is as follows:
public class Deck extends JLabel //The deck will be shown on the GUI as a JLabel
     private ArrayList<Card> standardDeck;
     public Deck()
          standardDeck = new ArrayList<Card>();
          ImageIcon cardBack = new ImageIcon("CardBack.png");
          setPreferredSize(new Dimension(90, 135));
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          int cardCount = 0;     //This variable counts the cards. Is used to assist in the name generation of the imageicon filename
          String str; //the imageIcon constructor accepts filenames as strings so this string holds the filename of the corresponding card image file.
          for (int a=0; a<4; a++) //putting the cards into the deck with the specifed parameters
               for (int b=2; b<15; b++)
                    cardCount+=1;     //incrementing the card count (the card files are named 1-52 as integers)
                    str = Integer.toString(cardCount); //Integer is converted to string type before being added to string str variable
                    str += ".png"; //To complete the image filename, ".png" has to be concatenated to the string.
                    standardDeck.add(new Card(b, a, new ImageIcon(str), cardBack)); //creating and then adding the cards
     }This is how I envisage a new class diagram for my game:
Card class
Game Class <--- Holds a Deck instance, Players instances, and the GUI instance
Player Class <-- Will contains hand 'instances' , but I will not create a seperate 'Hand' Class, I will use an ArrayList.
AI Class extends Player Class
GUI Class
Deck Class <-- contains 52 cards
My question is, how do I show the Cards on the GUI if my Cards are in a Deck and the Deck is held in the Game class?
Please note that there are 52 cards, so potentially 52 images on the GUI, each of which needs to be clickable. When clicked, the cards are moved about, e.g. from the deck to a players hand, from a players hand back to the deck, from a players hand to a players current move hand.
etc
I've read that GUI, program control, and logic should be seperated. If thats the case, what do I have in my GUI class if the Cards (which are JPanels) are held in the Deck class which in turn is held in the Game class?
Any help on this would be greatly appreciated!
I know what I have written may not be fully clear. I find it hard sometimes to fully convey a problem at hand. Please let me know if you don't understand what I've written and I'll do my best to explain further.

Faz_86 wrote:
Hi,
I hope a few of you Java sifus can help me understand I dilemma I keep finding myself in.
I created a card game for a university assignment which works great but its not very OO at the moment.
I only have 3 classes; a Card class, a Deck class and a Game class which contains all my GUI, AI, Game Controller, Player and Hand code.
The assignment is over but I feel like enhancing the game, adding animation, multiplayer, several AI agents etc.
Admirable, and the best way to learn, doing something that interests you.
The first thing I have attempted is animation and I've hit a brick wall. I am trying to create animation for my card game whereby I have an animation showing the cards being shuffled and then an animation which shows the cards being dealt to the players. The game then commences. The cards on the GUI then need to be clickable (MouseListeners?) to play the game. If you're running Windows 7, load up 'Hearts' and you'll know what I'm trying to achieve.
I don't understand how the GUI, and Card class need to be seperated so that its good OO.
If I give you a few snippets of code, it might explain the situation:
A snippet of my card class is as follows:
Do a quick Google on the model view controller pattern. Your listeners are your controllers. Your JPanel, JButton, etc. are your view. The AI, Player, Card and Deck (and presumably something like Score) are your model. Your model should be completely testable and not dependent on either the controller or the view. Imagine you could play the game from the command line. Get that working first. Then you can add all the bells and whistles for the UI.
import javax.swing.*;
public class Card extends JLabel //Each card is a JLabel
(redacted)
As you can see, each card is a JPanel. I've been told by some I shouldn't extend JPanel but rather that I should have a BufferedImage/Image instance variable for each card as the image of the card. The thing is that I need each card displayed on the GUI which can then be clickable. When it is clicked, it is moved from the players hand, into the players move. - There needs to be an animation showing this.Extending JPanel is fine. As you noted, you need something to add listeners to. However, I would separate things a bit. First, a card really only has a rank and suit (and perhaps an association to either the deck or a player holding the card). The notion of setIcon() is where you are tripping up. The card itself exists in memory. You should be able to test a card without using a UI. Create a separate class (CardPanel or something similar) that has a reference to a Card and the additional methods needed for your UI.
I've got the animation code figured out in terms of how to move 'images' around a screen to make a pleasing animation. The problem is there are no clickable listeners for images, so the Images needs to be inside some container; a widget which can fire events - Hence the reason I have chosen to extend JPanel for my Cards.
and a Deck class, snippet is as follows:
public class Deck extends JLabel //The deck will be shown on the GUI as a JLabel
     private ArrayList<Card> standardDeck;
     public Deck()
          standardDeck = new ArrayList<Card>();
          ImageIcon cardBack = new ImageIcon("CardBack.png");
          setPreferredSize(new Dimension(90, 135));
          setIcon(cardBack);
          int cardCount = 0;     //This variable counts the cards. Is used to assist in the name generation of the imageicon filename
          String str; //the imageIcon constructor accepts filenames as strings so this string holds the filename of the corresponding card image file.
          for (int a=0; a<4; a++) //putting the cards into the deck with the specifed parameters
               for (int b=2; b<15; b++)
                    cardCount+=1;     //incrementing the card count (the card files are named 1-52 as integers)
                    str = Integer.toString(cardCount); //Integer is converted to string type before being added to string str variable
                    str += ".png"; //To complete the image filename, ".png" has to be concatenated to the string.
                    standardDeck.add(new Card(b, a, new ImageIcon(str), cardBack)); //creating and then adding the cards
     }This is how I envisage a new class diagram for my game:
I am not an animation buff, so I will assume the above works.
Card classRemove the UI aspects to this class, and I think you are all set here.
Game Class <--- Holds a Deck instance, Players instances, and the GUI instancePresumably this is where main() resides. It will certainly have a reference to model classes (player, game, deck, etc.) and likely the master JFrame (or a controller class you create yourself).
Player Class <-- Will contains hand 'instances' , but I will not create a seperate 'Hand' Class, I will use an ArrayList.Does a player really have multiple hands? It seems to me more of a one-to-one relationship (or a player has a one-to-many relationship to Card).
AI Class extends Player ClassWhy extend Player? Create a Player interface, then have a HumanPlayer and AIPlayer implementation. Common parts could be refactored out into either a helper class (delegation) or AbstractPlayer (inheritance).
GUI ClassMy assumption is that this class has a reference to the master JFrame.
Deck Class <-- contains 52 cards
Yes. You may end up recycling this class such that a Deck can also function as a Hand for a given player. If there are differences between the two, create an interface and have a Hand and a Deck implementation. Coding to interfaces is a good thing.
My question is, how do I show the Cards on the GUI if my Cards are in a Deck and the Deck is held in the Game class?You need to pass a reference to the appropriate view class. That is how MVC works. The controller receives a request from the view, dispatches to some model functionality you write (such as GameRulesEngine, Deck, etc.) and returns a result to the view (which could be the same view or a different one, imagine someone clicking 'high scores').
Please note that there are 52 cards, so potentially 52 images on the GUI, each of which needs to be clickable. When clicked, the cards are moved about, e.g. from the deck to a players hand, from a players hand back to the deck, from a players hand to a players current move hand.
etc
That is up to you to write the animation code. In principle, you have a mouse listener, and then you take the appropriate rendering steps.
I've read that GUI, program control, and logic should be seperated. If thats the case, what do I have in my GUI class if the Cards (which are JPanels) are held in the Deck class which in turn is held in the Game class?
See above.
Any help on this would be greatly appreciated!
You are welcome.
I know what I have written may not be fully clear. I find it hard sometimes to fully convey a problem at hand. Please let me know if you don't understand what I've written and I'll do my best to explain further.No, you have been doing fine.
- Saish

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Hello!
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Peak meter should be able to
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https://msdn.microsoft.com/en-us/library/windows/desktop/dd316561(v=vs.85).aspx
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WinSDK Support Team Blog: http://blogs.msdn.com/b/winsdk/

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Hi
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this is the code that suspect maybe some error here
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}the full code will be at the next msg

this is the part 1 of the code
this is the full code...i had /*....*/ some of it to make it easier for reading
package gui;
import javax.swing.*;
import java.io.*;
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Hello,
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No.
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No.
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M Sat Oct 27 14:46:53 2007
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W    *** ERROR => RaiseError ITS_P:01 [itspxx.cpp   675]
Does nobody know of this?
Please help.
Shitij.

Gain control freezes after a certain point (cannot get highlights to 100) with colorwheel mode

I just purchased Adobe CC, (Switching from FCP 7, did not want to upgrade to FCP X). Really loving SpeedGrade (was an Apple color user)
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New Computer want to transfer

Please Help!
I got a new computer. I just installed iTunes. How do I get the stuff that was on my phone to my iTunes? When I synced it, it didn't transfer anything.

Doesn't work that way. I am sure if you try a search here first you will find it asked a lot and answered.
There is a link to some KnowledgeBase article. But the process is you need to transfer all your old data from your old computer to the new one. Then you sync.
The iPhone is NOT a backup device and not meant to have things come off. It is meant to sync with a library (mimic your computer).

Adjust length of multiple clips?

Is it possible to easily adjust the length of multiple clips _simultaneously_?
I actually want to adjust the length of multiple stills and I know that a way to do it ís to adjust the default still length, and then *reimport* (this is crazy!) the pictures and then automate them to a sequence... but that is just so awkward.
Grateful for any help!

Ah, it sure is a candidate!
In the audio sequencer Cakewalk Sonar there's a feature to adjust the length of selected (single/multiple) clips. You can select a percentage and then select if it's to affect the duration of clips or the start times, or both. (Both is great if you want to shorten them and still have them stay adjacent.)
So, a feature request it is! :)
Meanwhile, I'd suggest Adobe to take a good look at popular audio sequencers, there's _a lot_ of great & convenient features to mimic...

Ext Hard Drive Shared on Network - How to Keep Mounted when I Log Out?

I have a USB external hard drive set up as a network share. If I log out of the computer, I lose that share on the network. Is there a way to keep that drive from "auto-unmounting" when I log out of the computer it is attached to, so that it remains accessible to the other computers on the network? Thanks.
Mac Mini Core Solo Mac OS X (10.4.5)

I doubt it, but its a simple matter to drag the disk drive's icon to your Dock and click on it in order to mount it (that's what I do). You could also set up a simple Apple Script or Automator action to mimic that behavior.

Mimicing a keaboard reader in GUI

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