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