changing image of a label

[Coold0wn]

hi guys,
in my program i have to change the ImageIcon in a label by clicking on the screen.
it works fine, but takes a long time cause i do it like this:
Class Editor:

public void mouseClicked(MouseEvent event)
     {
        layer.tileSetzen(20, 1);         //sets the 20th label in the arraylist labels of the class layer to the image number 1
        DrawFrame.setVisible(false);
        DrawFrame.setVisible(true);  // this is what i want to get rid of.
        }

Class layer:

    public void tileSetzen(int tilenumber, int id)
    {
        tiles.get(tilenumber).setImageNummer(id);   //ImageNummer is the image that the label shows (20 is another image than 5 for example)
        redrawImage(tilenumber);
    }

    public void redrawImage(int nr)
    {
        MainFrame.getContentPane().remove(labels.get(nr)); //remove the label from the container
        labels.remove(nr);            // remove the label from the arraylist
        imageIcons.remove(nr);   // remove the image from the arraylist with the imageIcons

        imageIcons.add(nr, tileset[tiles.get(nr).gibImageNummer()]);  //add the new image at the place where the other one was deleted
        labels.add(nr, new JLabel(imageIcons.get(nr))); //add a new label at the place where the label was deleted
        labels.get(nr).setBounds(32*(nr % x), 16*(nr-( nr % x))/y, 32, 32); // sets the new label at the right position
        MainFrame.getContentPane().add(labels.get(nr)); // adds the new label to the container
    }

sum up:
- i remove the label from the container labels
- i remove the label from the arraylist imageIcons
- i remove the imageIcon from the arraylist

- i add a new imageIcon to the arraylist imageIcons (at the same place as the other one was)
- i add a new label to the arraylist labels (at the same place as the other one was)
- i setBounds of the new label
- i add the label to the container

- i set the MainFrame to unvisible
- i set the MainFrame to visible

[Coold0wn]

okay... got a way better solution now...
is it normal that i cant change many icons fast after each other?
i always have to wait .. like a second befor i can change the next

     public void mouseClicked(MouseEvent event)
     {
        int x = event.getX()-8,y = event.getY();
        int tilenr = (x-(x % 32))/32 + 40*((y-(y % 32))/32) - 40;
        layer.get(pickedLayerNummer).tileSetzen(tilenr , pickedTile);
     }

    public void tileSetzen(int TileNummer, int id)
    {
        tiles.get(TileNummer).setImageNummer(id);        
        labels.get(TileNummer).setIcon(tileset[tiles.get(TileNummer).gibImageNummer()]);
    }

this takes about 1 sekond?

[Eranga]

i always have to wait .. like a second befor i can change the next

Unless you are not working on with multiple threads. Since you have a single method UI updates and other stuff cannot handle at the same time.

[Coold0wn]

hey, thanks for your help.
i just found out what the problem was. :)

[Eranga]

So could you please mark the thread solved then!