ToolTip List Example
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html //File:ToolTipListExample.java /* (swing1.1.1) */ import java.awt.BorderLayout; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.UIManager; /** * @version 1.0 08/26/99 */ public class ToolTipListExample extends JFrame { public ToolTipListExample() { super("ToolTip Example"); String[][] strs = { { "Acinonyx jutatus", "Cheetah" }, { "Panthera leo", "Lion" }, { "Canis lupus", "Wolf" }, { "Lycaon pictus", "Llycaon" }, { "Vulpes Vulpes", "Fox" } }; JList list = new JList(createItems(strs)) { public String getToolTipText(MouseEvent e) { int index = locationToIndex(e.getPoint()); if (-1 < index) { ToolTipItem item = (ToolTipItem) getModel().getElementAt( index); return item.getToolTipText(); } else { //return super.getToolTipText(); return null; } } }; list.setToolTipText(""); getContentPane().add(new JScrollPane(list), BorderLayout.CENTER); } Object[] createItems(String[][] strs) { ToolTipItem[] items = new ToolTipItem[strs.length]; for (int i = 0; i < strs.length; i++) { items[i] = new ToolTipItem(strs[i][0], strs[i][1]); } return items; } class ToolTipItem { String obj; String toolTipText; public ToolTipItem(String obj, String text) { this.obj = obj; this.toolTipText = text; } public String getToolTipText() { return toolTipText; } public String toString() { return obj; } } public static void main(String args[]) { try { UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); } catch (Exception evt) {} ToolTipListExample frame = new ToolTipListExample(); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); frame.setSize(140, 150); frame.setVisible(true); } }
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