X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FJvSwingUtils.java;h=46586686fc773e36bddf1643ac11638e86957e8d;hb=9e926ac4305fd9dff38b6e079e55b4f50664d544;hp=0a765cbb27c21e46eaec86e611420d80b204042e;hpb=f4766a7bbcfae845fc95923b01fa14ff83d589ff;p=jalview.git

diff --git a/src/jalview/gui/JvSwingUtils.java b/src/jalview/gui/JvSwingUtils.java
index 0a765cb..4658668 100644
--- a/src/jalview/gui/JvSwingUtils.java
+++ b/src/jalview/gui/JvSwingUtils.java
@@ -24,14 +24,20 @@ import jalview.util.MessageManager;
 
 import java.awt.BorderLayout;
 import java.awt.Color;
+import java.awt.Component;
 import java.awt.Font;
 import java.awt.GridLayout;
 import java.awt.Rectangle;
 import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.List;
 import java.util.Objects;
 
 import javax.swing.AbstractButton;
+import javax.swing.BorderFactory;
 import javax.swing.JButton;
+import javax.swing.JComboBox;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JMenu;
@@ -39,6 +45,8 @@ import javax.swing.JMenuItem;
 import javax.swing.JPanel;
 import javax.swing.JScrollBar;
 import javax.swing.SwingConstants;
+import javax.swing.border.Border;
+import javax.swing.border.TitledBorder;
 
 /**
  * useful functions for building Swing GUIs
@@ -304,4 +312,71 @@ public final class JvSwingUtils
     comp.setFont(JvSwingUtils.getLabelFont());
   }
 
+  /**
+   * A helper method to build a drop-down choice of values, with tooltips for
+   * the entries
+   * 
+   * @param entries
+   * @param tooltips
+   */
+  public static JComboBox<String> buildComboWithTooltips(
+          List<String> entries, List<String> tooltips)
+  {
+    JComboBox<String> combo = new JComboBox<>();
+    final ComboBoxTooltipRenderer renderer = new ComboBoxTooltipRenderer();
+    combo.setRenderer(renderer);
+    for (String attName : entries)
+    {
+      combo.addItem(attName);
+    }
+    renderer.setTooltips(tooltips);
+    final MouseAdapter mouseListener = new MouseAdapter()
+    {
+      @Override
+      public void mouseEntered(MouseEvent e)
+      {
+        int j = combo.getSelectedIndex();
+        if (j > -1)
+        {
+          combo.setToolTipText(tooltips.get(j));
+        }
+      }
+      @Override
+      public void mouseExited(MouseEvent e)
+      {
+        combo.setToolTipText(null);
+      }
+    };
+    for (Component c : combo.getComponents())
+    {
+      c.addMouseListener(mouseListener);
+    }
+    return combo;
+  }
+
+  /**
+   * Adds a titled border to the component in the default font and position (top
+   * left), optionally witht italic text
+   * 
+   * @param comp
+   * @param title
+   * @param italic
+   */
+  public static TitledBorder createTitledBorder(JComponent comp,
+          String title, boolean italic)
+  {
+    Font font = comp.getFont();
+    if (italic)
+    {
+      font = new Font(font.getName(), Font.ITALIC, font.getSize());
+    }
+    Border border = BorderFactory.createTitledBorder("");
+    TitledBorder titledBorder = BorderFactory.createTitledBorder(border,
+            title, TitledBorder.LEADING, TitledBorder.DEFAULT_POSITION,
+            font);
+    comp.setBorder(titledBorder);
+
+    return titledBorder;
+  }
+
 }