Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <blockquote> <p>It changes the color the way I want it, but hides the arrowbuttons.</p> </blockquote> <p>Here is the problem:</p> <pre><code>private JButton b = new JButton() { @Override public Dimension getPreferredSize() { return new Dimension(0, 0); // why (0,0) ??? } }; </code></pre> <p>In your code <code>b</code> button is the responsible for painting the arrows through <code>createDecreaseButton</code> and <code>createIncreaseButton</code> methods. If its preferred size is <code>(0,0)</code> then logically it won't be visible.</p> <blockquote> <p>What I want is to make them visible again and change them with a custom image.</p> </blockquote> <p>You need to modify <code>createDecreaseButton</code> and <code>createIncreaseButton</code> to make them return a new <code>JButton</code> with the desired icon.</p> <p><strong>Update</strong></p> <blockquote> <p>I already tried playing with the prefferedsize (making them the same size as the custom image), but the custom arrowimages are still not showing up. Im clueless</p> </blockquote> <p>Look at this working example. <code>MyScrollbarUI</code> extends from <a href="http://docs.oracle.com/javase/7/docs/api/javax/swing/plaf/basic/BasicScrollBarUI.html" rel="nofollow noreferrer">BasicScrollBarUI</a> just as your class does. You'll see the key is overrding the button's <code>getPreferredSize()</code> method and setting the appropriate icon as needed.</p> <p>In this regard I should say <a href="http://docs.oracle.com/javase/7/docs/api/javax/swing/plaf/basic/BasicScrollBarUI.html#createDecreaseButton%28int%29" rel="nofollow noreferrer">BasicScrollBarUI.createDecreaseButton(int orientation)</a> and <a href="http://docs.oracle.com/javase/7/docs/api/javax/swing/plaf/basic/BasicScrollBarUI.html#createIncreaseButton%28int%29" rel="nofollow noreferrer">BasicScrollBarUI.createIncreaseButton(int orientation)</a> methods are poorly documented (there's no javadoc). But if you dive into this class using an IDE then you'll see <code>orientation</code> paramenter can take one of these values: <code>SwingConstants.NORTH, SwingConstants.SOUTH, SwingConstants.EAST, SwingConstants.WEST</code>. Keep this in mind when look at <code>getAppropriateIcon(int orientation)</code> method.</p> <p>These are used icons: <img src="https://i.stack.imgur.com/D960s.png" alt="Up arrow"><img src="https://i.stack.imgur.com/13euX.png" alt="Down arrow"><img src="https://i.stack.imgur.com/Unv09.png" alt="Left arrow"><img src="https://i.stack.imgur.com/zGjyC.png" alt="Right arrow"></p> <pre><code>import java.awt.Dimension; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.SwingConstants; import javax.swing.SwingUtilities; import javax.swing.plaf.basic.BasicScrollBarUI; public class Demo { private void initGUI(){ JScrollPane scrollPane = new JScrollPane(new JTextArea(10, 20)); scrollPane.getHorizontalScrollBar().setUI(new MyScrollbarUI()); scrollPane.getVerticalScrollBar().setUI(new MyScrollbarUI()); JFrame frame = new JFrame("Demo"); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); frame.getContentPane().add(scrollPane); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new Demo().initGUI(); } }); } class MyScrollbarUI extends BasicScrollBarUI { private ImageIcon downArrow, upArrow, leftArrow, rightArrow; public MyScrollbarUI(){ try { upArrow = new ImageIcon(new java.net.URL("http://icons.iconarchive.com/icons/oxygen-icons.org/oxygen/16/Actions-arrow-up-icon.png")); downArrow = new ImageIcon(new java.net.URL("http://icons.iconarchive.com/icons/oxygen-icons.org/oxygen/16/Actions-arrow-down-icon.png")); rightArrow = new ImageIcon(new java.net.URL("http://icons.iconarchive.com/icons/oxygen-icons.org/oxygen/16/Actions-arrow-right-icon.png")); leftArrow = new ImageIcon(new java.net.URL("http://icons.iconarchive.com/icons/oxygen-icons.org/oxygen/16/Actions-arrow-left-icon.png")); } catch (java.net.MalformedURLException ex) { ex.printStackTrace(); } } @Override protected JButton createDecreaseButton(int orientation) { JButton decreaseButton = new JButton(getAppropriateIcon(orientation)){ @Override public Dimension getPreferredSize() { return new Dimension(22, 22); } }; return decreaseButton; } @Override protected JButton createIncreaseButton(int orientation) { JButton increaseButton = new JButton(getAppropriateIcon(orientation)){ @Override public Dimension getPreferredSize() { return new Dimension(22, 22); } }; return increaseButton; } private ImageIcon getAppropriateIcon(int orientation){ switch(orientation){ case SwingConstants.SOUTH: return downArrow; case SwingConstants.NORTH: return upArrow; case SwingConstants.EAST: return rightArrow; default: return leftArrow; } } } } </code></pre> <p><strong>Screenshot</strong></p> <p><img src="https://i.stack.imgur.com/arFbf.jpg" alt="enter image description here"></p>
    singulars
    1. This table or related slice is empty.
    1. POCustom scrollbar arrows
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USdic19
    1. USdic19
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. POCustom scrollbar arrows
      singulars
      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTAcceptedByOriginator
    1. COI tried your code by modifying the createDecreaseButton and createIncreaseButton, but the custom icon is not showing up. Instead it is showing up a small portion of (what I think it is) a standard Jbutton. How can we fix this?
      singulars
      1. PO
      1. USRichard Avalos
    2. CO@RichardAvalos You can play around overriding getPreferredSize method (you already did but returning `(0,0)` which made button not visible). See updated answer. It's just an example. You surely can do it better.
      singulars
      1. PO
      1. USdic19
    3. COSrry for the late response. I already tried playing with the prefferedsize (making them the same size as the custom image), but the custom arrowimages are still not showing up. Im clueless
      singulars
      1. PO
      1. USRichard Avalos
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload