New: new functions in UiUtils and IOUtils
[nikiroo-utils.git] / src / be / nikiroo / utils / ui / UIUtils.java
index e4eb000c6876f0a2b610da928fb16592cd1d3a4e..ce7bcc1e866ff1ca7ec31ae35a11a0be94924a37 100644 (file)
@@ -12,6 +12,7 @@ import java.awt.RenderingHints;
 import java.io.IOException;
 import java.net.URISyntaxException;
 
+import javax.swing.JButton;
 import javax.swing.JComponent;
 import javax.swing.JEditorPane;
 import javax.swing.JLabel;
@@ -31,6 +32,9 @@ import be.nikiroo.utils.VersionCheck;
  * @author niki
  */
 public class UIUtils {
+       static private Color buttonNormal;
+       static private Color buttonPressed;
+       
        /**
         * Set a fake "native Look & Feel" for the application if possible
         * (check for the one currently in use, then try GTK).
@@ -331,4 +335,37 @@ public class UIUtils {
                return JOptionPane.showConfirmDialog(parentComponent, updateMessage,
                                title, JOptionPane.DEFAULT_OPTION) == JOptionPane.OK_OPTION;
        }
+       
+       /**
+        * Set the given {@link JButton} as "pressed" (selected, but with more UI
+        * visibility).
+        * <p>
+        * The {@link JButton} will answer {@link JButton#isSelected()} if it is
+        * pressed.
+        * 
+        * @param button
+        *            the button to select/press
+        * @param pressed
+        *            the new "pressed" state
+        */
+       static public void setButtonPressed(JButton button, boolean pressed) {
+               if (buttonNormal == null) {
+                       JButton defButton = new JButton(" ");
+                       buttonNormal = defButton.getBackground();
+                       if (buttonNormal.getBlue() >= 128) {
+                               buttonPressed = new Color( //
+                                               Math.max(buttonNormal.getRed() - 100, 0), //
+                                               Math.max(buttonNormal.getGreen() - 100, 0), //
+                                               Math.max(buttonNormal.getBlue() - 100, 0));
+                       } else {
+                               buttonPressed = new Color( //
+                                               Math.min(buttonNormal.getRed() + 100, 255), //
+                                               Math.min(buttonNormal.getGreen() + 100, 255), //
+                                               Math.min(buttonNormal.getBlue() + 100, 255));
+                       }
+               }
+
+               button.setSelected(pressed);
+               button.setBackground(pressed ? buttonPressed : buttonNormal);
+       }
 }