X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=ui%2FUIUtils.java;h=7d78d1e8c38669b118dab12828da99c351091b8c;hb=b9839223367364225470e6d8f67d8fe1a9f103ba;hp=9f16aabe79c3ba8dc80e8221bace21b2ec5f0d4a;hpb=a917f1009a1419ffa0f7817dbc7227b741744e66;p=nikiroo-utils.git

diff --git a/ui/UIUtils.java b/ui/UIUtils.java
index 9f16aab..7d78d1e 100644
--- a/ui/UIUtils.java
+++ b/ui/UIUtils.java
@@ -20,24 +20,45 @@ import javax.swing.UnsupportedLookAndFeelException;
  */
 public class UIUtils {
 	/**
-	 * Set a fake "native look & feel" for the application if possible
+	 * Set a fake "native Look & Feel" for the application if possible
 	 * (check for the one currently in use, then try GTK).
 	 * <p>
 	 * <b>Must</b> be called prior to any GUI work.
+	 * 
+	 * @return TRUE if it succeeded
 	 */
-	static public void setLookAndFeel() {
+	static public boolean setLookAndFeel() {
 		// native look & feel
+		String noLF = "javax.swing.plaf.metal.MetalLookAndFeel";
+		String lf = UIManager.getSystemLookAndFeelClassName();
+		if (lf.equals(noLF))
+			lf = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
+		
+		return setLookAndFeel(lf);
+	}
+
+	/**
+	 * Switch to the given Look &amp; Feel for the application if possible
+	 * (check for the one currently in use, then try GTK).
+	 * <p>
+	 * <b>Must</b> be called prior to any GUI work.
+	 * 
+	 * @param laf
+	 *            the Look &amp; Feel to use
+	 * 
+	 * @return TRUE if it succeeded
+	 */
+	static public boolean setLookAndFeel(String laf) {
 		try {
-			String noLF = "javax.swing.plaf.metal.MetalLookAndFeel";
-			String lf = UIManager.getSystemLookAndFeelClassName();
-			if (lf.equals(noLF))
-				lf = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
-			UIManager.setLookAndFeel(lf);
+			UIManager.setLookAndFeel(laf);
+			return true;
 		} catch (InstantiationException e) {
 		} catch (ClassNotFoundException e) {
 		} catch (UnsupportedLookAndFeelException e) {
 		} catch (IllegalAccessException e) {
 		}
+
+		return false;
 	}
 
 	/**
@@ -178,12 +199,39 @@ public class UIUtils {
 	 * @return the {@link JScrollPane}
 	 */
 	static public JScrollPane scroll(JComponent pane, boolean allowHorizontal) {
+		return scroll(pane, allowHorizontal, true);
+	}
+
+	/**
+	 * Add a {@link JScrollPane} around the given panel and use a sensible (for
+	 * me) increment for the mouse wheel.
+	 * 
+	 * @param pane
+	 *            the panel to wrap in a {@link JScrollPane}
+	 * @param allowHorizontal
+	 *            allow horizontal scrolling (not always desired)
+	 * @param allowVertical
+	 *            allow vertical scrolling (usually yes, but sometimes you only
+	 *            want horizontal)
+	 * 
+	 * @return the {@link JScrollPane}
+	 */
+	static public JScrollPane scroll(JComponent pane, boolean allowHorizontal,
+			boolean allowVertical) {
 		JScrollPane scroll = new JScrollPane(pane);
+
 		scroll.getVerticalScrollBar().setUnitIncrement(16);
+		scroll.getHorizontalScrollBar().setUnitIncrement(16);
+
 		if (!allowHorizontal) {
 			scroll.setHorizontalScrollBarPolicy(
 					JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
 		}
+		if (!allowVertical) {
+			scroll.setVerticalScrollBarPolicy(
+					JScrollPane.VERTICAL_SCROLLBAR_NEVER);
+		}
+
 		return scroll;
 	}
 }