src/be/nikiroo/fanfix_swing/gui/utils/UiHelper.java

   1 package be.nikiroo.fanfix_swing.gui.utils;
   2
   3 import java.awt.Color;
   4 import java.awt.Component;
   5
   6 import javax.swing.JButton;
   7 import javax.swing.JComponent;
   8 import javax.swing.JOptionPane;
   9 import javax.swing.JScrollPane;
  10 import javax.swing.JTree;
  11 import javax.swing.SwingUtilities;
  12
  13 import be.nikiroo.fanfix.Instance;
  14
  15 public class UiHelper {
  16         static private Color buttonNormal;
  17         static private Color buttonPressed;
  18
  19         static public void setButtonPressed(JButton button, boolean pressed) {
  20                 if (buttonNormal == null) {
  21                         JButton defButton = new JButton(" ");
  22                         buttonNormal = defButton.getBackground();
  23                         if (buttonNormal.getBlue() >= 128) {
  24                                 buttonPressed = new Color( //
  25                                                 Math.max(buttonNormal.getRed() - 100, 0), //
  26                                                 Math.max(buttonNormal.getGreen() - 100, 0), //
  27                                                 Math.max(buttonNormal.getBlue() - 100, 0));
  28                         } else {
  29                                 buttonPressed = new Color( //
  30                                                 Math.min(buttonNormal.getRed() + 100, 255), //
  31                                                 Math.min(buttonNormal.getGreen() + 100, 255), //
  32                                                 Math.min(buttonNormal.getBlue() + 100, 255));
  33                         }
  34                 }
  35
  36                 button.setSelected(pressed);
  37                 button.setBackground(pressed ? buttonPressed : buttonNormal);
  38         }
  39
  40         static public JComponent scroll(JComponent pane) {
  41                 JScrollPane scroll = new JScrollPane(pane);
  42                 scroll.getVerticalScrollBar().setUnitIncrement(16);
  43                 scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
  44                 return scroll;
  45         }
  46
  47         /**
  48          * Display an error message and log the linked {@link Exception}.
  49          *
  50          * @param owner   the owner of the error (to link the messagebox to it)
  51          * @param message the message
  52          * @param title   the title of the error message
  53          * @param e       the exception to log if any
  54          */
  55         static public void error(final Component owner, final String message, final String title, Exception e) {
  56                 Instance.getInstance().getTraceHandler().error(title + ": " + message);
  57                 if (e != null) {
  58                         Instance.getInstance().getTraceHandler().error(e);
  59                 }
  60
  61                 SwingUtilities.invokeLater(new Runnable() {
  62                         @Override
  63                         public void run() {
  64                                 JOptionPane.showMessageDialog(owner, message, title, JOptionPane.ERROR_MESSAGE);
  65                         }
  66                 });
  67         }
  68 }